Burn isolation support mechanism and nursing bed using the same

Abstract

The invention discloses a burn isolation support mechanism and a nursing bed using the mechanism, comprising a plurality of bedside brackets, each of which comprises a pair of legs, the bottom of which is slidably spliced ​​on the bedside; an isolation rod spanning between the two legs, and each leg is provided with a slideway in the vertical direction, both ends of the isolation rod are provided with sliders, which are fitted in the corresponding slideways, and as the sliders move along the slideways, the distance between the isolation rod and the bed surface is controlled, and the patient's needs can be flexibly adapted according to the height of the isolation rod being adjusted; an arc-shaped soft plate is installed on the isolation rod, and the arc-shaped soft plate is slidably or movably installed on the isolation rod along the direction of the head and the foot of the bed, and at least one upper side of the arc-shaped soft plate is arranged as a non-slip surface, which can increase the anti-slip effect of the mattress on the isolation rod, and at the same time, when the mattress tends to slide, the elastic clip can be automatically driven to swing in the direction of slipping, thereby improving the clamping effect on the mattress, thereby preventing the mattress from further slipping and improving the stability of use.

Description

Technical Field

[0001] The invention relates to the technical field of burn care, and in particular to a burn isolation support mechanism and a care bed using the mechanism. Background Art

[0002] Once the wound of a burn patient is infected, it is easy to deepen. Therefore, the care of burn patients needs to be handled appropriately and effectively to prevent and treat infection. When the temperature is high, the bandage area is too large, and high fever or even convulsions are likely to occur. Therefore, exposure therapy should be used more. When the burn area is small, especially on the limbs, bandage therapy can facilitate the care and protection of the wound. For those who adopt exposure therapy, appropriate restraint and fixation should be applied. In addition, during the healing process of the wound, the skin itches significantly. During this period, the wound that has just healed should be designed to protect it to prevent it from being scratched by the patient and causing infection or leaving burn scars. In the above-mentioned nursing method, for those who are exposed to treatment, it is very easy for the patient to cause contact between the wound and the bedding on the bed, causing pain to the patient. In the prior art, the bedding support is separated from the patient by a cover and other structures installed on the bed, which occupies a large space and has poor flexibility. On the one hand, the bedding is easily slipped off when simply covered on the support structure. On the other hand, when the distance between the bedding and the patient is large, it affects the insulation effect. When the distance is small, it is easy to contact with the patient. Therefore, a burn isolation support mechanism and a nursing bed using the mechanism are urgently needed to solve the above problems. Summary of the invention

[0003] The purpose of the present invention is to provide a burn isolation support mechanism and a nursing bed using the mechanism, which can effectively solve the problems existing in the above-mentioned prior art.

[0004] In order to solve the above technical problems, the present invention adopts the following technical solutions: 1. A burn isolation support mechanism, comprising a plurality of bedside brackets, each of which comprises:

[0005] A pair of legs, the bottoms of which are slidably spliced ​​to the bedside;

[0006] a spacer rod spanning between the two legs, and

[0007] A slideway is provided on each of the legs in the vertical direction, and sliders are installed at both ends of the isolation rod. The sliders are mounted in the corresponding slideways, and as the sliders move along the slideways, the distance between the isolation rod and the bed surface is controlled;

[0008] The isolation rod is provided with an arc-shaped soft plate, which is slidably or movably installed on the isolation rod along the direction of the head and foot of the bed, and at least one upper side of the arc-shaped soft plate is arranged as an anti-slip surface.

[0009] Preferably, at least two ends of the isolation rod are arc sections, and sliders are installed at the ends of the arc sections, and elastic clips are provided between the supporting legs and the arc sections.

[0010] Preferably, there is a connecting section between the two arc sections, a sleeve is installed on the connecting section, the arc soft plate is assembled on the sleeve, and the arc soft plate is bent upward, and a linkage structure is provided between the two ends of the sleeve and the two elastic clips, and the linkage structure is configured to rotate with the sleeve and synchronously drive the elastic clip to deflect toward the corresponding direction, thereby reducing the distance between the elastic clip and the arc section in the corresponding direction.

[0011] Preferably, the linkage structure includes:

[0012] A first rotating wheel mounted at both ends of the sleeve;

[0013] A second rotating wheel installed in the slider and close to the elastic clip, and the second rotating wheel is connected to the elastic clip, and as the second rotating wheel rotates, the elastic clip is synchronously driven to deflect an angle;

[0014] The first rotating wheel is connected to the second rotating wheel via a flexible connecting rod, so as to control the first rotating wheel and the second rotating wheel to rotate synchronously.

[0015] Preferably, the supporting legs are provided with a plurality of limit holes connected to the slideways in the vertical direction, the slide block is provided with a limit rod, and the limit rod is inserted into the limit hole to fix the position of the slide block, and

[0016] A guide rail is installed in the same direction in the slideway, the slider is assembled in the guide rail, an elastic member is installed between the guide rail and the slider, and the elastic member tends to drive the slider to move toward the limiting hole.

[0017] Preferably, a groove is provided at one end of the limit rod toward the limit hole, and a card plate is slidably installed on the support leg, and the card plate is configured to be inserted into the groove of the limit rod passing through the limit hole under the action of gravity, so as to limit the limit rod from being separated from the limit hole; a cam is installed at the bottom of the support leg at the card plate, and the cam is configured to rotate to contact the card plate and push the card plate up or separate from the card plate.

[0018] Preferably, the slider comprises:

[0019] The outer frame has a groove arranged in the same direction as the slideway;

[0020] A connecting block is slidably mounted in the groove and is used for splicing with the end of the isolation rod; and

[0021] A spring is installed between the bottom end of the connecting block and the groove, and a piston rod structure is installed between the top end of the connecting block and the groove;

[0022] The support mechanism also includes an air cushion, which is laid on the bed and is used to support the patient's limbs. The air cushion is connected to the piston rod structure through an air tube. The air cushion is configured to inflate the piston rod structure and squeeze the connecting block to compress the spring when under pressure; conversely, the connecting block is reset under the action of the spring.

[0023] Preferably, a connecting frame structure is installed between two adjacent bedside brackets, and the connecting frame structure includes:

[0024] A connecting rod, the two ends of which are respectively hinged to the legs of the two corresponding sides of the bedside brackets; a plurality of pulling holes are provided on the connecting rod at intervals along the axial direction thereof;

[0025] The pull rod has one end hinged with one of the legs and the other end is provided with a hook, and the hook is used to cooperate with the pull hole.

[0026] Preferably, a T-shaped block is installed at the bottom of the leg, and the horizontal plate of the T-shaped block is provided with a U-shaped groove slidably installed on the bedside, and the U-shaped groove is configured to allow the leg to be separated from the bedside only in the vertical direction.

[0027] The present invention also discloses a nursing bed, comprising a crossbar installed at the side of the bed, wherein the crossbar is configured to provide at least a track parallel to the direction of the bed surface, and the track is used to assemble the bottom of the legs for the legs to slide.

[0028] Beneficial effects: In the present invention, several bedside brackets can be flexibly selected for combined use according to needs. Each bedside bracket can flexibly adapt to the patient's needs by adjusting the height of the isolation rod through the slide. Among them, the slider designed in the present invention can not only set the initial height of the isolation rod according to needs, but also be used in conjunction with the air cushion. The air cushion is used to carry the patient's limbs. When the limbs are placed stably, the height of the isolation rod is automatically lowered to improve the thermal insulation effect. When the limbs are lifted (that is, separated from the air cushion), the isolation rod is automatically controlled to be lifted to avoid contact with the patient, which makes it more comfortable and safe to use.

[0029] In addition, the present invention can increase the anti-slip effect of the mattress on the isolation rod by providing the arc-shaped soft plate and the elastic clip. At the same time, when the mattress tends to slide, the elastic clip is automatically driven to swing in the slipping direction, thereby improving the clamping effect of the mattress, thereby preventing the mattress from further slipping and improving the stability of use.

[0030] In the present invention, a plurality of bedside brackets can be combined to form a whole through a connecting frame structure. At the same time, through the cooperation of a connecting rod with a pull rod and a designed T-shaped block, the pull rod cooperates with different pull holes to control the overall lifting of the bedside bracket to a certain height, thereby facilitating patients getting in and out of bed. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0032] In the attached picture:

[0033] Figure 1 It is a structural schematic diagram of the support mechanism of the present invention;

[0034] Figure 2 It is a schematic diagram of the structure of a single bedside bracket of the present invention;

[0035] Figure 3 It is a plan view schematic diagram of a single bedside support of the present invention;

[0036] Figure 4 It is a structural schematic diagram of the supporting legs of the present invention;

[0037] Figure 5 It is a schematic structural diagram of the connection of adjacent legs of the present invention;

[0038] Figure 6 It is a structural schematic diagram of a nursing bed using a supporting mechanism of the present invention;

[0039] Numbers in the figure: 1, support leg; 2, isolation rod; 21, arc section; 22, receiving section; 3, slideway; 4, slider; 41, outer frame; 42, groove; 43, connecting block; 44, spring; 45, piston rod structure; 5, arc soft plate; 51, anti-slip surface; 6, elastic clip; 7, sleeve; 81, first rotating wheel; 82, second rotating wheel; 83, flexible connecting rod; 9, limiting hole; 10, limiting rod; 101, groove; 11, guide track; 12, elastic member; 13, card plate; 14, cam; 15, air cushion; 151, air pipe; 161, connecting rod; 162, pull hole; 163, pull rod; 164, hook; 17, T-block; 171, U-shaped groove; 18, cross bar. DETAILED DESCRIPTION

[0040] The embodiments of the present invention are described below in conjunction with the drawings in the embodiments of the present invention. The terms used in the implementation mode of the present invention are only used to explain the specific embodiments of the present invention, and are not intended to limit the present invention. The embodiments of the present application are described below in conjunction with the drawings.

[0041] Example: Figure 1 As shown, a burn isolation support mechanism includes a plurality of bedside brackets. According to the size of the burn isolation area, an appropriate number of bedside brackets are selected to work, wherein the reference Figure 2-Figure 3As shown, each bedside bracket includes: a pair of legs 1, the bottom of the legs 1 is slidably spliced ​​on the bedside, and the position of the legs 1 can be slidably adjusted according to needs; an isolation rod 2, spanning between the two legs 1, and each leg 1 is provided with a slideway 3 in the vertical direction, and sliders 4 are installed at both ends of the isolation rod 2, and the sliders 4 are equipped in the corresponding slideways 3. As the sliders 4 move along the slideways 3, the distance between the isolation rod 2 and the bed surface is controlled; based on the above, after installing a suitable number of bedside brackets on the bedside, the height of each isolation rod 2 is adjusted by moving the sliders 4 along the slideways 3, and the height of the isolation rod 2 of each bedside bracket can be adjusted independently, and then the mattress can be covered on the isolation rod 2 of each bedside bracket;

[0042] refer to Figure 2-Figure 3 As shown, the two ends of the isolation rod 2 are arc sections 21, and sliders 4 are installed at the ends of the arc sections 21. After the mattress is covered on the isolation rod 2, the two sides of the mattress can naturally droop along the arc sections 21 to the bed surface, and the gap at the connection of the arc sections 21 can be filled by the accumulation effect of the mattress itself, thereby preventing the two ends of the mattress from warping up and affecting the heat preservation effect;

[0043] In a specific embodiment, reference Figure 3 As shown, an elastic clip 6 is provided between the supporting leg 1 and the arc section 21. After the mattress is covered on the isolation rod 2, the elastic clip 6 can clamp the mattress to prevent the mattress from slipping.

[0044] In a specific embodiment, reference Figure 2 As shown, based on the above structure, an arc-shaped soft plate 5 is installed on the isolation rod 2, and the arc-shaped soft plate 5 is slidably or movably installed on the isolation rod 2 along the direction of the head and the foot of the bed, and at least one upper side of the arc-shaped soft plate 5 is set as a non-slip surface 51. The arc-shaped soft plate 5 can form a certain support on both sides of the isolation rod 2 and contact with the mattress to prevent the mattress from slipping off between two adjacent isolation rods 2.

[0045] Based on the above embodiment, further, a receiving section 22 is provided between the two arc segments 21, a sleeve 7 is installed on the receiving section 22, an arc-shaped soft plate 5 is assembled on the sleeve 7, and the arc-shaped soft plate 5 is bent upward, and a linkage structure is provided between the two ends of the sleeve 7 and the two elastic clips 6, and the linkage structure is configured to rotate with the sleeve 7, synchronously drive the elastic clips 6 to deflect toward the corresponding direction, and reduce the distance between the elastic clips 6 and the arc segment 21 in the corresponding direction; not only the arc-shaped soft plate 5 is used to perform the first step of anti-slip, but the two transmit the sliding tendency of the mattress and the generated displacement to the elastic clips 6 through the arc-shaped soft plate 5, so that the elastic clips 6 respond, and the elastic clips 6 swing synchronously in the same direction, thereby reducing the distance between the arc segment 21 and the elastic clips 6. The clamping force of the elastic clips 6 is increased, thereby further restricting the mattress from continuing to slide.

[0046] Based on the above, the linkage structure includes a first rotating wheel 81 installed at both ends of the sleeve 7; a second rotating wheel 82 installed in the slider 4 and close to the elastic clip 6, and the second rotating wheel 82 is connected to the elastic clip 6. As the second rotating wheel 82 rotates, the elastic clip 6 is synchronously driven to deflect the angle; the first rotating wheel 81 and the second rotating wheel 82 are connected by a flexible connecting rod 83 to control the synchronous rotation of the first rotating wheel 81 and the second rotating wheel 82.

[0047] That is, when the arc-shaped soft plate 5 drives the sleeve 7 to rotate, it also drives the first rotating wheel 81 to rotate synchronously. The first rotating wheel 81 transmits the rotation of the first rotating wheel 81 to the second rotating wheel 82 through a flexible connecting rod 83, such as a steel wire rope or other structure with a certain rigidity that can transmit rotational force, and drives the second rotating wheel 82 to rotate. The rotation of the second rotating wheel 82 drives the elastic clip 6 to realize swing adjustment.

[0048] In a specific embodiment, based on the above slider 4, reference Figure 2 As shown, a plurality of limit holes 9 connecting the slide 3 are opened on the support leg 1 along the vertical direction, a limit rod 10 is installed on the slider 4, the limit rod 10 is inserted into the limit hole 9 to fix the position of the slider 4, and a guide rail 11 is installed in the same direction in the slide 3, the guide rail 11 is arranged on the opposite side of the limit hole 9, the slider 4 is assembled in the guide rail 11, and an elastic member 12 is installed between the guide rail 11 and the slider 4. The elastic member 12 is installed in the guide rail 11, such as an elastic pad and other structures. The elastic member 12 always applies a force to the slider 4 in the direction of the limit hole 9, so that the limit rod 10 installed on the slider 4 can be inserted into the corresponding limit hole 9, thereby fixing the position of the slider 4. When adjusting, the limit rod 10 can be separated from the limit hole 9 by toggling the isolation rod 2 to control the slider 4 to compress the elastic member 12, so that the isolation rod 2 can be flexibly pulled up and down for adjustment.

[0049] Based on the above embodiment, further referring to the above structure, Figure 2 As shown, a groove 101 is provided at one end of the limit rod 10 facing the limit hole 9, and a card plate 13 is slidably installed on the support leg 1, and the card plate 13 is configured to be inserted into the groove 101 of the limit rod 10 passing through the limit hole 9 under the action of gravity, so as to limit the limit rod 10 from being separated from the limit hole 9; a cam 14 is installed at the bottom of the card plate 13 of the support leg 1, and the cam 14 is configured to rotate to contact the card plate 13 and push the card plate 13 to move up or separate from the card plate 13. In a natural state, the cam 14 is separated from the card plate 13, and the card plate 13 slides down under the action of its own gravity and is stuck in the groove 101 of the limit rod 10 to form a riveting structure to prevent the limit rod 10 from being separated from the limit hole 9. When adjusting, by rotating the cam 14, the cam 14 lifts the card plate 13, and the card plate 13 is separated from the groove 101. At this time, the height can be adjusted through the above operation, and the cam 14 can be reset after completion.

[0050] In a specific embodiment, reference Figure 1 and Figure 4 As shown, on the basis of one or more of the above embodiments, the slider 4 includes: an outer frame 41, in which a groove 42 is arranged in the same direction as the slideway 3 (if a limit rod 10 is installed here, the limit rod 10 is installed on the outer frame 41); a connecting block 43, which is slidably installed in the groove 42, and the connecting block 43 is used to splice with the end of the isolation rod 2; and a spring 44 is installed between the bottom end of the connecting block 43 and the groove 42, and a piston rod structure 45 is installed between the top end of the connecting block 43 and the groove 42; the supporting mechanism also includes an air cushion 15, which is laid on the bed and is used to support the patient's limbs. The air cushion 15 is connected to the piston rod structure 45 through an air tube 151, and the air cushion 15 is configured to inflate the piston rod structure 45 when under pressure and squeeze the connecting block 43 to compress the spring 44 to move; conversely, the connecting block 43 is reset under the action of the spring 44.

[0051] The initial height of the isolation rod 2 can be set according to needs, and it can also be used in conjunction with the air cushion 15. The air cushion 15 is used to carry the patient's limbs. At this time, the air cushion 15 is pressurized, and the gas is transmitted to the piston rod structure 45 through the trachea 151. The piston rod structure 45 stretches and squeezes the connecting block 43 to compress the spring 44 to move, and automatically lowers the height of the isolation rod 2 to improve the insulation effect. The structure of the piston rod structure 45 is similar to that of a syringe, with an outer tube and an inner telescopic rod. One end of the inner telescopic rod is inserted into the outer tube through a piston, and the outer tube is closed away from one end of the inner telescopic rod. The gas is transmitted to the outer tube through the trachea 151, and the pressure is increased to force the inner telescopic rod to extend out of the outer tube and move; and when the limb is lifted (that is, separated from the air cushion 15), the inner telescopic rod is reset by the force of the spring 44, that is, the piston rod structure 45 is reset. At this time, the gas in the piston rod structure 45 is returned to the air cushion 15 along the trachea 151, and the isolation rod 2 is automatically controlled to be lifted to avoid contact with the patient, which is more comfortable and safe to use.

[0052] In a specific embodiment, reference Figure 1 and Figure 5 As shown, based on one or more of the above embodiments, a connecting frame structure is installed between two adjacent bedside brackets, and the connecting frame structure includes: a connecting rod 161, the two ends of the connecting rod 161 are respectively hinged to the legs 1 on the corresponding sides of the two bedside brackets; a plurality of pulling holes 162 are spaced apart on the connecting rod 161 along its axial direction; a pulling rod 163, one end of which is hinged to one leg 1, and the other end is provided with a hook 164, and the hook 164 is used to cooperate with the pulling hole 162; wherein, a T-shaped block 17 is installed at the bottom of the leg 1, and the horizontal plate of the T-shaped block 17 is provided with a U-shaped groove 171 slidably installed on the bedside, and the U-shaped groove 171 is configured to allow the leg 1 to detach from the bedside only in the vertical direction.

[0053] Based on the above embodiments, Figure 1 For example, using two bedside brackets, when adjusting Figure 1When using the right bedside bracket, the right bedside bracket can be manually lifted to the specified height, and then the hook 164 on the pull rod 163 is inserted into the corresponding pulling hole 162, and the connecting rod 161 is pulled by the pull rod 163 to stabilize the state of the right bedside bracket. As for the state of the left bedside bracket, on the one hand, it is supported and fixed by the T-shaped block 17 at the bottom of itself, and on the other hand, a pull rod 163 can be set, and the pull rod 163 can be connected to the end of the bed for symmetrical pulling to improve the overall stability; the pull rod 163 is coordinated with different pulling holes 162 to control the overall lifting of the bedside bracket to a certain height, thereby facilitating patients getting on and off the bed.

[0054] The present invention also discloses a nursing bed, referring to Figure 6 As shown, it comprises a crossbar 18 installed at the side of the bed, and the crossbar 18 is configured to at least provide a track in a direction parallel to the bed surface, and the track is used to fit the bottom of the leg 1 so that the leg 1 can slide.

[0055] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. For ordinary technicians in this technical field, after knowing the contents recorded in the present invention, they can make several equivalent changes and substitutions without departing from the principle of the present invention. These equivalent changes and substitutions should also be regarded as belonging to the protection scope of the present invention.

Claims

1. A burn isolation support mechanism, characterized in that: It includes several bedside brackets, each of which includes: A pair of legs, the bottoms of which are slidably spliced ​​to the bedside; a spacer rod spanning between the two legs, and A slideway is provided on each of the legs in the vertical direction, and sliders are installed at both ends of the isolation rods. The sliders are mounted in the corresponding slideways, and as the sliders move along the slideways, the distance between the isolation rods and the bed surface is controlled; The isolation rod is provided with an arc-shaped soft plate, which is movably mounted on the isolation rod, and at least one upper side of the arc-shaped soft plate is provided as an anti-slip surface; The slider comprises: The outer frame has a groove arranged in the same direction as the slideway; A connecting block is slidably mounted in the groove and is used for splicing with the end of the isolation rod; and A spring is installed between the bottom end of the connecting block and the groove, and a piston rod structure is installed between the top end of the connecting block and the groove; The support mechanism also includes an air cushion, which is laid on the bed and is used to support the patient's limbs. The air cushion is connected to the piston rod structure through an air tube. The air cushion is configured to inflate the piston rod structure and squeeze the connecting block to compress the spring when under pressure; conversely, the connecting block is reset under the action of the spring.

2. A burn isolation support mechanism according to claim 1, characterized in that: At least two ends of the isolation rod are arc sections, and sliders are installed at the ends of the arc sections. An elastic clip is arranged between the supporting legs and the arc sections.

3. A burn isolation support mechanism according to claim 2, characterized in that: There is a connecting section between the two arc sections, a sleeve is installed on the connecting section, the arc soft plate is assembled on the sleeve, and the arc soft plate is bent upward, and a linkage structure is arranged between the two ends of the sleeve and the two elastic clips. The linkage structure is configured to rotate with the sleeve and synchronously drive the elastic clip to deflect toward the corresponding direction, thereby reducing the distance between the elastic clip and the arc section in the corresponding direction.

4. A burn isolation support mechanism according to claim 3, characterized in that: The linkage structure includes: A first rotating wheel mounted at both ends of the sleeve; A second rotating wheel installed in the slider and close to the elastic clip, and the second rotating wheel is connected to the elastic clip, and as the second rotating wheel rotates, the elastic clip is synchronously driven to deflect an angle; The first rotating wheel is connected to the second rotating wheel via a flexible connecting rod, so as to control the first rotating wheel and the second rotating wheel to rotate synchronously.

5. A burn isolation support mechanism according to claim 1, characterized in that: The supporting legs are provided with a plurality of limit holes connected to the slideways in the vertical direction, and the slider is provided with a limit rod, which is inserted into the limit hole to fix the position of the slider, and A guide rail is installed in the same direction in the slideway, the slider is assembled in the guide rail, an elastic member is installed between the guide rail and the slider, and the elastic member tends to drive the slider to move toward the limiting hole.

6. A burn isolation support mechanism according to claim 5, characterized in that: The limiting rod is provided with a groove at one end facing the limiting hole, and a card plate is slidably installed on the support leg. The card plate is configured to be inserted into the groove of the limiting rod passing through the limiting hole under the action of gravity, so as to limit the limiting rod from being separated from the limiting hole; a cam is installed at the bottom of the support leg at the card plate, and the cam is configured to rotate to contact the card plate and push the card plate up or separate from the card plate.

7. A burn isolation support mechanism according to claim 1, characterized in that: A connecting frame structure is installed between two adjacent bedside brackets, and the connecting frame structure includes: A connecting rod, the two ends of which are respectively hinged to the legs of the two corresponding sides of the bedside brackets; a plurality of pulling holes are provided on the connecting rod at intervals along the axial direction thereof; The pull rod has one end hinged with one of the legs and the other end is provided with a hook, and the hook is used to cooperate with the pull hole.

8. A burn isolation support mechanism according to claim 7, characterized in that: A T-shaped block is installed at the bottom of the supporting leg, and a transverse plate of the T-shaped block is provided with a U-shaped groove slidably installed on the bedside, and the U-shaped groove is configured to allow the supporting leg to be separated from the bedside only in the vertical direction.

9. A nursing bed, using a burn isolation support mechanism according to any one of claims 1 to 8, characterized in that: The invention comprises a cross bar installed at the side of the bed, wherein the cross bar is configured to at least provide a track in a direction parallel to the bed surface, and the track is used for arranging the bottom of the legs for sliding of the legs.

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