Telescopic sponge lower limb pad

By designing a retractable extrusion and massage mechanism in the sponge lower limb pad, the existing lower limb pad has been solved with limited height adjustment and single function, achieving more efficient blood circulation and ease of use.

CN222815995UActive Publication Date: 2025-05-02ZHEJIANG UNIV
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Patent Information

Application Number
CN202421606210.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-09
Publication Date
2025-05-02
Estimated Expiration
2034-07-09

AI Technical Summary

Technical Problem

The existing sponge lower limb pads have limited height adjustment and single function when used, and cannot effectively adapt to the needs of patients with high leg lifting, and have limited effect in promoting blood circulation.

Method used

A retractable sponge lower limb pad is designed, using an extrusion mechanism and a massage mechanism. The extrusion positioning and massage of the legs are achieved through the engagement positioning of the engaging block and the engagement groove, the curved ring and roller are set to improve the massage effect, and the height adjustment of the pad is achieved through the lifting rack and the guide groove.

Benefits of technology

This design improves the convenience of lower limb pads and the effect of recovery on patients, can better adapt to the needs of different patients, promote blood circulation, reduce resistance and reduce wear of parts.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a telescopic sponge lower limb pad, which relates to the field of lower limb pads and comprises a cotton sleeve, and a connecting seat is connected inside the cotton sleeve. According to the telescopic sponge lower limb pad, the clamping blocks can be clamped and positioned with the other group of clamping grooves when resetting, the limiting cotton plates can extrude and position the surfaces of the supporting legs after the clamping grooves are positioned, the supporting legs can be better attached to the lower limb pad after being positioned, and injuries caused by random movement of the legs are prevented; the limbs and the legs can be squeezed and massaged through vertical sliding and rotating of the massage rods, the massage effect can be improved through the squeezing mechanism, blood circulation of the legs can be promoted during squeezing massage, the recovery effect of the lower limb pad on a patient is improved, and the connecting base can drive the positioning groove to move when moving. When the positioning grooves move, the positioning blocks can slide, when the connecting bases slide, the cotton sleeves can be driven to extend, when the cotton sleeves extend, the requirement that the patient wants to lift the supporting legs can be better met, and the use convenience of the lower limb pad is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of lower limb pads, in particular to a retractable sponge lower limb pad. Background Art

[0002] Lower limb pads are pads used to support the legs and feet of the human body. Lower limb pads are mainly used for foot support, promoting blood circulation, relieving lower limb edema, improving posture, preventing falls, etc. Sponge lower limb pads are mainly made of sponge materials.

[0003] In the prior art, a Chinese patent with the authorization announcement number CN213283985U discloses a lower limb lifting pad, which belongs to the field of lower limb pads. Its technical points are applicable to patients with loss of consciousness, common peroneal nerve damage, paraplegia, etc., which lead to the inability of the ankle joint to maintain a normal functional position and the inability of the knee joint to bend. It provides accurate and reliable support for the knee joint and foot, maintains the foot and knee joint in a functional position, improves blood circulation in the lower limbs, and prevents the formation of pressure sores and lower limb venous thrombosis. At the same time, the inclination of the support board can be easily adjusted by inflating the airbag, making the patient's legs more comfortable.

[0004] At present, most sponge lower limb pads on the market still have certain deficiencies when used. As shown in the above-mentioned document, the device can improve comfort by adjusting the angle of bending through an inflatable airbag, but the height that the airbag can lift is limited, and it cannot adapt well to patients who raise their legs high. Secondly, the lower limb pad has a single function and limited effect in promoting blood circulation, and there are certain deficiencies in use. Utility Model Content

[0005] The purpose of the utility model is to provide a retractable sponge lower limb pad to solve the problems in the above background technology that the lower limb pad is inconvenient to adjust the height, affecting the user experience, and the pad has a single function and cannot help patients recover well.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a retractable sponge lower limb pad, comprising a sponge cover, wherein a connecting seat is connected to the inside of the sponge cover;

[0007] The top of the cotton sleeve is connected to a connecting frame, and a squeezing mechanism for positioning the lower limbs is arranged inside the connecting frame, the squeezing mechanism includes a through hole, and the through hole is opened through the top of the connecting frame, and a telescopic slot is opened through the side of the through hole, and a spring is connected inside the telescopic slot, and a clamping block is connected to the end of the spring, and a push block is fixed on the top of the clamping block, and the push block slides through the inside of the telescopic slot, and a fixing rod slides through the inside of the through hole, and a plurality of clamping slots are opened on the right side of the fixing rod, and a limiting cotton plate is connected to the bottom end of the fixing rod, and a limiting block is fixed on the left side of the limiting cotton plate, and the limiting block slides inside the limiting slot, and the limiting slot is opened inside the connecting frame;

[0008] A placement groove is provided inside the connection seat, and a massage mechanism for squeezing the lower limbs is arranged inside the placement groove.

[0009] Furthermore, the through hole is slidably connected to the fixing rod, the fixing rod and the limiting cotton plate are an integral structure, the engaging block forms a telescopic structure through a spring and the telescopic slot, the engaging block and the pushing block are an integral structure, and the engaging block and the engaging slot are in an engaging connection.

[0010] Furthermore, the massage mechanism includes a battery, and the battery is connected to the inside of the placement slot, a motor is installed in the placement slot close to the battery, and a fixing block is fixed in the placement slot close to the motor.

[0011] Furthermore, a curved ring is fixed on the top of the fixed block, a rotating disk is fixed on the output end of the motor, massage rods are symmetrically inserted and slid inside the rotating disk, rollers are connected to the bottom of the massage rods, and the rollers roll on the surface of the curved ring. An extension mechanism for increasing the height of the cushion is also provided inside the placement groove.

[0012] Furthermore, the extension mechanism includes a lifting slot, which is opened at the bottom of the connecting seat, and a first guide slot is opened at the top inner side of the lifting slot, a first guide block slides inside the first guide slot, and a first rotating shaft is fixed to the bottom of the first guide block and the inside of the lifting slot.

[0013] Furthermore, the bottom of the connecting seat is connected to an external base, the top of the external base is penetrated by a second guide groove, the inside of the second guide groove is penetrated by a threaded rod rotatably connected, the surface of the threaded rod is threadedly connected to a second guide block, the second guide block slides in the second guide groove, the second guide block and the top of the external base are both fixed with a second rotating shaft, and a lifting frame is connected between the second rotating shaft and the first rotating shaft.

[0014] Furthermore, positioning grooves are symmetrically provided at the bottom of the connecting seat near the lifting groove, and a positioning block slides through the positioning groove. The positioning block is fixed on the top of the external base. The first rotating shaft, the lifting frame and the second rotating shaft form a transmission connection, the threaded rod and the second guide block form a threaded connection, and the second guide block and the second guide groove form a sliding connection.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The retractable sponge lower limb pad can be engaged and positioned with another set of engaging grooves when the engaging block is reset. After the engaging groove is positioned, the limiting sponge plate can squeeze and position the surface of the leg support. After the leg support is positioned, it can better fit with the lower limb pad to prevent the leg from moving around and causing injury. The limbs can be squeezed and massaged by sliding the massage stick up and down and rotating it, and the massage effect can be improved by the squeezing mechanism. The squeezing massage can promote blood circulation in the legs, thereby improving the effect of the lower limb pad on the patient's recovery. When the connecting seat moves, the positioning groove can be driven to move. When the positioning groove moves, it can slide through the positioning block. When the connecting seat slides, it can drive the sponge cover to extend. When the sponge cover is extended, it can better meet the patient's need to raise the leg support, thereby improving the convenience of using the lower limb pad.

[0017] 2. A snap-fit ​​groove is provided. Through the snap-fit ​​positioning of multiple snap-fit ​​grooves and snap-fit ​​blocks, the limiting sponge board can be quickly positioned on the legs, thereby improving the operating efficiency of the legs;

[0018] 3. A curved ring is provided, and the undulating surface of the curved ring can drive the massage stick to move up and down, so that the massage stick can squeeze up and down when rotating and massaging, thereby improving the massage effect of the lower limb pad;

[0019] 4. A roller is provided, and by rolling the roller on the surface of the curved ring, the smoothness of the massage stick during rotation can be improved, the resistance can be reduced, and the wear of product parts can be reduced;

[0020] 5. A lifting frame is provided, and the cotton cover can be pushed to be extended and retracted through the rotation of the lifting frame. There are two groups of lifting frames, which improve the stability of the extension and retraction of the lower limb pad and are more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the overall front-view three-dimensional structure of the utility model;

[0022] Figure 2 It is a schematic diagram of the overall side sectional structure of the utility model;

[0023] Figure 3 This is a schematic diagram of the cross-sectional structure of the connecting frame of the utility model;

[0024] Figure 4 For this utility model Figure 3 A schematic diagram of the enlarged structure of the middle part A;

[0025] Figure 5 This is a schematic diagram of the cross-sectional structure of the connecting seat of the utility model;

[0026] Figure 6 This is a schematic diagram of the enlarged structure of the curved ring of the utility model;

[0027] Figure 7 For this utility model Figure 2 Schematic diagram of the enlarged structure of part B in the middle.

[0028] In the figure: 1, cotton sleeve; 2, connecting seat; 101, connecting frame; 102, through hole; 103, telescopic slot; 104, spring; 105, engaging block; 106, pushing block; 107, fixing rod; 108, engaging slot; 109, limiting cotton plate; 110, limiting block; 111, limiting slot; 201, placement slot; 202, battery; 203, motor; 204, fixing block; 205, curved ring; 206, rotating disk; 207, massage stick; 208, roller; 209, lifting slot; 210, first guide slot; 211, first guide block; 212, first rotating shaft; 213, external base; 214, second guide slot; 215, threaded rod; 216, second guide block; 217, second rotating shaft; 218, lifting frame; 219, positioning slot; 220, positioning block. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] Embodiment 1:

[0031] like Figure 1 , Figure 3 and Figure 4 The technical solution shown in the figure, the present invention provides the following technical solution: In order to solve the problem that the lower limb pad is inconvenient to limit the legs and is easy to shake and detach, a squeezing mechanism is disclosed:

[0032] The present invention comprises a cotton sleeve 1, wherein a connecting seat 2 is connected inside the cotton sleeve 1, a connecting frame 101 is connected to the top of the cotton sleeve 1, a squeezing mechanism for positioning the lower limbs is arranged inside the connecting frame 101, and the squeezing mechanism comprises a through hole 102, and the through hole 102 is penetrated and opened at the top of the connecting frame 101, a telescopic groove 103 is penetrated and opened on the side of the through hole 102, a spring 104 is connected inside the telescopic groove 103, a clamping block 105 is connected to the end of the spring 104, a push block 106 is fixed on the top of the clamping block 105, the push block 106 penetrates and slides inside the telescopic groove 103, a fixing rod 107 is penetrated and slides inside the through hole 102, and the fixing rod 10 A plurality of engaging grooves 108 are provided on the right side of the fixing rod 107, a limiting sponge plate 109 is connected to the bottom end of the fixing rod 107, a limiting block 110 is fixed on the left side of the limiting sponge plate 109, the limiting block 110 slides inside the limiting groove 111, the limiting groove 111 is provided inside the connecting frame 101, a placing groove 201 is provided inside the connecting seat 2, a massage mechanism for squeezing the lower limbs is provided inside the placing groove 201, the through hole 102 is slidably connected to the fixing rod 107, the fixing rod 107 and the limiting sponge plate 109 are an integrated structure, the engaging block 105 forms a telescopic structure with the telescopic groove 103 through the spring 104, and the engaging block 105 and the pushing block 106 are connected to the connecting seat 2. It is an integrated structure, and the locking block 105 is locked with the locking groove 108. When the lower limb pad is used, the limb is placed inside the groove on the surface of the cotton cover 1 and the push block 106 is pushed. When the push block 106 moves, the locking block 105 can be driven to move. When the locking block 105 moves, it can slide through the locking groove 108 and the telescopic groove 103. When the locking block 105 slides, the spring 104 can be squeezed. After the locking block 105 is squeezed out of the locking groove 108, the fixing rod 107 is pressed. When the fixing rod 107 is pressed, it can slide through the through hole 102. When the fixing rod 107 slides, it can drive the limiting cotton plate 109 to move downward. When the limiting cotton board 109 moves, it can drive the limiting block 110 to move. When the limiting block 110 moves, it can slide through the limiting groove 111. When the limiting cotton board 109 slides to the specified position, the other group of engaging grooves 108 can move to the side of the engaging block 105. When the push block 106 is released, the engaging block 105 can be pushed to reset under the elastic force of the spring 104. When the engaging block 105 is reset, it can be engaged and positioned with the other group of engaging grooves 108. After the engaging groove 108 is positioned, the limiting cotton board 109 can squeeze and position the surface of the leg support. After the leg support is positioned, it can better fit the lower limb pad to prevent injury caused by random movement of the leg.

[0033] Embodiment 2:

[0034] like Figure 2 , Figure 5 and Figure 6 The technical solution shown in the figure, the present invention provides the following technical solution: In order to solve the problem that the lower limb pad has a single function and insufficient recovery effect on the legs, a massage mechanism is disclosed:

[0035] The massage mechanism includes a battery 202, and the battery 202 is connected to the inside of the placement groove 201. A motor 203 is installed in the placement groove 201 near the battery 202. A fixed block 204 is fixed in the placement groove 201 near the motor 203. A curved ring 205 is fixed on the top of the fixed block 204. A rotating disk 206 is fixed to the output end of the motor 203. A massage rod 207 is symmetrically penetrated and slid inside the rotating disk 206. A roller 208 is connected to the bottom of the massage rod 207. The roller 208 rolls on the surface of the curved ring 205. An extension mechanism for increasing the height of the mat is also provided inside the placement groove 201. When the lower limb mat is used, the electric energy inside the battery 202 can start the horse When the motor 203 is started, the output end can drive the rotating disk 206 to rotate. When the rotating disk 206 rotates, it can drive the massage stick 207 to rotate. When the massage stick 207 rotates, it can drive the roller 208 to move. When the roller 208 moves, it can roll on the surface of the curved ring 205. Through the concave and convex surface of the curved ring 205, the massage stick 207 can move up and down. When the massage stick 207 moves, it can slide through the rotating disk 206. The limbs can be squeezed and massaged by the up and down sliding and rotation of the massage stick 207, and the massage effect can be improved by the squeezing mechanism. The blood circulation of the legs can be promoted during the squeezing massage, thereby improving the effect of the lower limb pad on the patient's recovery.

[0036] Embodiment three:

[0037] like Figure 1 , Figure 2 , Figure 5 and Figure 7 The technical solution shown in the figure, the present invention provides the following technical solution: In order to solve the problem that the lower limb pad is inconvenient to extend and retract, which affects the patient's use experience, an extension mechanism is disclosed:

[0038] The extension mechanism includes a lifting slot 209, which is provided at the bottom of the connecting seat 2. A first guide slot 210 is provided at the top of the inner side of the lifting slot 209. A first guide block 211 is slidably provided inside the first guide slot 210. A first rotating shaft 212 is fixed at the bottom of the first guide block 211 and inside the lifting slot 209. An external base 213 is connected to the bottom of the connecting seat 2. A second guide slot 214 is provided at the top of the external base 213. A threaded rod 215 is rotatably connected to the second guide slot 214. A second guide block 216 is threadedly connected to the surface of the threaded rod 215. The second guide block 216 slides inside the second guide groove 214. The second guide block 216 and the top of the external base 213 are both fixed with a second rotating shaft 217. A lifting frame 218 is connected between the second rotating shaft 217 and the first rotating shaft 212. A positioning groove 219 is symmetrically opened at the bottom of the connecting seat 2 near the lifting groove 209. A positioning block 220 slides through the positioning groove 219. The positioning block 220 is fixed on the top of the external base 213. The first rotating shaft 212, the lifting frame 218 and the second rotating shaft 217 form a transmission connection. The threaded rod 215 and the second guide block 216 are connected. The second guide block 216 and the second guide groove 214 form a sliding connection. The threaded rod 215 can be rotated before the lower limb pad is used. When the threaded rod 215 rotates, it can rotate through the second guide groove 214. When the threaded rod 215 rotates, it can drive the second guide block 216 to slide threadedly. When the second guide block 216 slides threadedly, it can slide through the second guide groove 214. When the second guide block 216 slides, it can drive the second rotating shaft 217 at the top to move. When the second rotating shaft 217 moves, it can push the lifting frame 218 to rotate. The lifting frame 218 is rotated. When 18 rotates, it can drive the first rotating shaft 212 to move, and when the first rotating shaft 212 moves, it can drive the first guide block 211 to move. When the first guide block 211 moves, it can slide through the first guide groove 210. When the first guide block 211 slides, it can push the connecting seat 2 to move. When the connecting seat 2 moves, it can drive the positioning groove 219 to move. When the positioning groove 219 moves, it can slide through the positioning block 220. When the connecting seat 2 slides, it can drive the cotton sleeve 1 to extend. When the cotton sleeve 1 is extended, it can better meet the patient's needs to raise the legs, thereby improving the convenience of using the lower limb pad.

[0039] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A retractable sponge lower limb pad, comprising a sponge cover (1), wherein the sponge cover (1) is internally connected to a connecting seat (2), characterized in that; The top of the cotton sleeve (1) is connected to a connecting frame (101), and a squeezing mechanism for positioning the lower limbs is arranged inside the connecting frame (101), and the squeezing mechanism includes a through hole (102), and the through hole (102) is opened through the top of the connecting frame (101), and a telescopic groove (103) is opened through the side of the through hole (102), and a spring (104) is connected inside the telescopic groove (103), and a clamping block (105) is connected to the end of the spring (104), and a push block (105) is fixed on the top of the clamping block (105). 106), the push block (106) penetrates and slides inside the telescopic slot (103), a fixing rod (107) penetrates and slides inside the through hole (102), a plurality of engaging grooves (108) are provided on the right side of the fixing rod (107), a limiting sponge plate (109) is connected to the bottom end of the fixing rod (107), a limiting block (110) is fixed on the left side of the limiting sponge plate (109), the limiting block (110) slides inside the limiting groove (111), and the limiting groove (111) is provided inside the connecting frame (101); A placement groove (201) is provided inside the connection seat (2), and a massage mechanism for squeezing the lower limbs is provided inside the placement groove (201).

2. The retractable sponge lower limb pad according to claim 1, characterized in that: The through hole (102) and the fixed rod (107) are slidably connected, the fixed rod (107) and the limiting cotton plate (109) are an integral structure, the engaging block (105) forms a telescopic structure with the telescopic groove (103) through the spring (104), the engaging block (105) and the push block (106) are an integral structure, and the engaging block (105) and the engaging groove (108) are engaged and connected.

3. The retractable sponge lower limb pad according to claim 1, characterized in that: The massage mechanism comprises a battery (202), and the battery (202) is connected to the inside of a placement slot (201), a motor (203) is installed inside the placement slot (201) close to the battery (202), and a fixing block (204) is fixed inside the placement slot (201) close to the motor (203).

4. The retractable sponge lower limb pad according to claim 3, characterized in that: A curved ring (205) is fixed on the top of the fixed block (204), a rotating disk (206) is fixed on the output end of the motor (203), a massage rod (207) is symmetrically inserted and slidably arranged inside the rotating disk (206), a roller (208) is connected to the bottom of the massage rod (207), and the roller (208) rolls on the surface of the curved ring (205), and an extension mechanism for increasing the height of the cushion is also arranged inside the placement groove (201).

5. The retractable sponge lower limb pad according to claim 4, characterized in that: The extending mechanism comprises a lifting groove (209), wherein the lifting groove (209) is provided at the bottom of the connecting seat (2), a first guide groove (210) is provided at the top of the inner side of the lifting groove (209), a first guide block (211) is slidably arranged inside the first guide groove (210), and a first rotating shaft (212) is fixed to the bottom of the first guide block (211) and inside the lifting groove (209).

6. The retractable sponge lower limb pad according to claim 5, characterized in that: The bottom of the connecting seat (2) is connected to an external base (213), and a second guide groove (214) is formed through the top of the external base (213). A threaded rod (215) is rotatably connected to the inside of the second guide groove (214), and a second guide block (216) is threadedly connected to the surface of the threaded rod (215). The second guide block (216) slides in the second guide groove (214). A second rotating shaft (217) is fixed to the top of the second guide block (216) and the external base (213), and a lifting frame (218) is connected between the second rotating shaft (217) and the first rotating shaft (212).

7. The retractable sponge lower limb pad according to claim 5, characterized in that: A positioning groove (219) is symmetrically provided at the bottom of the connecting seat (2) near the lifting groove (209), a positioning block (220) is slidably penetrated inside the positioning groove (219), and the positioning block (220) is fixed on the top of the external base (213), the first rotating shaft (212), the lifting frame (218) and the second rotating shaft (217) form a transmission connection, the threaded rod (215) and the second guide block (216) form a threaded connection, and the second guide block (216) and the second guide groove (214) form a sliding connection.

Citation Information

Patent Citations

  • Lower limb lifting pad

    CN213283985U