CN211382254U - A seat with a leg support - Google Patents

Abstract

The utility model discloses a seat with a leg support frame, which comprises a seat body, a reinforcing plate, a supporting leg, a roller, a mounting bottom plate, a sleeve, a connecting rod, a threaded structure, a supporting plate, a clamping slot, Rubber pads, guide plates, guide grooves, connecting columns, guide blocks, limit grooves, adjusting rods, tie rods, movable chambers, limit plates, clamping springs, bearings, cranksets, chains and threaded columns. The utility model adjusts the distance between the support plate and the seat body by pulling the mounting bottom plate to move along the guide groove by the roller, and drives the crankshaft and the chain at the end of the adjusting rod by rotating the adjusting rod to drive the threaded column to drive the connecting rod to move up and down. Thereby, the height of the support plate is adjusted; by moving the mounting bottom plate to the bottom end of the seat body, it can be hidden, and with the action of the clamping spring, the pull rod and the limit groove, the mounting bottom plate will not slide after the distance is adjusted, which is easy to use and storage.

Description

A seat with a leg support

technical field

The utility model relates to a seat, in particular to a seat with a leg support frame, which belongs to the technical field of seat application.

Background technique

At present, it is more troublesome for patients with leg fractures and injuries to use the chair, which is inconvenient for the extension of their legs, and the comfort is poor. Some current chairs with supporting leg structures are relatively general in functionality and lack adjustment support. The height of the shelf and the distance from the chair function, and it takes up a lot of space, which is not conducive to storage. Therefore, in view of the above problems, a seat with a leg support frame is proposed.

Utility model content

The purpose of the present invention is to provide a seat with a leg support frame in order to solve the above problems.

The utility model achieves the above objects through the following technical solutions. A seat with a leg support frame includes a seat body, and the bottom of the seat body is provided with a support leg and a guide plate, and the guide plate is arranged on two sides. Between the side support legs, a connecting column is slidably installed at the bottom, and a mounting base plate is installed at the bottom of the connecting column. A support plate is installed at one end, and the support plate is installed on the installation bottom plate through a height adjustment structure;

The height adjustment structure includes a sleeve, an adjustment rod, a bearing and a chain, the sleeve is fixed on the upper surface of the installation base plate, a connecting rod is slidably sleeved on the top of the sleeve, and the connecting rod is hollow, The inner wall is provided with a threaded structure, the sleeve is slidably provided with a threaded column, one end of the threaded column is located inside the sleeve and extends into the connecting rod, and is threadedly connected with the threaded structure on the connecting rod, and the thread The other end of the column is rotatably connected with the installation base plate through a bearing, and extends below the installation base plate, and is sleeved with a crankset; one end of the adjusting rod is located on the outside of the installation base plate, and the other end is rotatably connected and installed through the bearing a bottom plate, the other end is sleeved with the crankset, and the crankset is connected with the crankset on the threaded column through a chain drive;

The installation bottom plate is fixedly installed directly under the seat body through a limit structure, and the limit structure includes a limit groove, a pull rod and a clamping spring, the limit groove is opened on the side of the installation bottom plate, and the pull rod is movably installed On the support leg away from the end of the seat body backrest, a movable cavity is opened inside the support leg, one end of the pull rod is located outside the side of the support leg away from the installation bottom plate, and the other end passes through the support leg and the movable cavity on the support leg and extend to the installation bottom plate, and face the side where the limit slot is located, and the one end of the pull rod is engaged in the limit slot when the limit slot is facing the pull rod; the movable cavity is installed with a The clamping spring is sleeved on the surface of the pull rod, one end of the clamping spring abuts the support leg, and the other end is provided with a limit plate, and the limit plate is fixed on the surface of the pull rod.

Preferably, a support leg is fixedly connected to the bottom end of the seat body, and a reinforcing plate is fixedly connected between the support leg and the seat body.

Preferably, the guide plate is fixed on the lower surface of the seat body, the bottom end of the guide plate is provided with a guide groove, the length direction of the guide groove is the sliding direction of the connecting column, and the bottom of the connecting column is The end is fixed on the top of the installation base plate, and the top of the connecting column is fixed with a guide block, and the guide block is slidably engaged in the guide groove.

Preferably, two guide plates are arranged at intervals on the bottom of the seat body, and the two guide plates are arranged at intervals along the width direction of the guide groove.

Preferably, the number of the sleeves is two, each sleeve is provided with a connecting rod, and the top end of each connecting rod is fixedly connected to the lower surface of the support plate.

Preferably, the upper surface of the support plate is spaced with two grooves, the grooves face upward, and a rubber pad is fixed inside the grooves.

Preferably, there are spaced limiting grooves on the side surface of the mounting base plate.

The beneficial effects of the present utility model are:

1. The utility model can adjust the distance between the support plate and the seat body by pulling the installation bottom plate to move along the guide groove by the rollers, and at the same time, the crankset at the end of it is driven to rotate by rotating the adjusting rod. Under the transmission of the crankset and the chain, the threaded column will drive the connecting rod to move up and down, so as to adjust the height of the support plate and improve the comfort of the patient;

2. The utility model can move the installation bottom plate through the roller. When the end of the pull rod meets the limit groove, under the action of the clamping spring, the end of the pull rod will be locked in the limit groove, so that the installation The bottom plate and the seat body are limited, and the bottom plate will not slide when the seat body is moved, which is convenient for storage.

Description of drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are just some embodiments of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative labor.

Fig. 1 is the overall structure schematic diagram of the present utility model;

Fig. 2 is the connection diagram of the guide plate and the connecting column of the utility model;

3 is a schematic diagram of the limiting structure of the utility model;

FIG. 4 is a schematic diagram of the height adjustment structure of the present invention.

In the picture: 1. Seat body, 2. Reinforcing plate, 3. Supporting legs, 4. Roller, 5. Mounting base plate, 6. Sleeve, 7. Connecting rod, 71. Thread structure, 8. Supporting plate, 9. Card slot, 91, rubber pad, 10, guide plate, 101, guide slot, 11, connecting column, 111, guide block, 12, limit slot, 13, adjusting rod, 14, tie rod, 15, movable cavity, 16, Limit plate, 17, clamping spring, 18, bearing, 19, crankset, 20, chain, 21, threaded post.

Detailed ways

In order to make the purpose, features and advantages of the present utility model more obvious and understandable, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the embodiments described below are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

The technical solutions of the present utility model will be further described below with reference to the accompanying drawings and through specific embodiments.

In the description of the present invention, it should be understood that the orientations or positional relationships indicated by the terms "upper", "lower", "top", "bottom", "inner", "outer", etc. are based on those shown in the accompanying drawings. The orientation or positional relationship is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a reference to the present utility model. limits.

1-4, a seat with a leg support frame includes a seat body 1, the bottom of the seat body 1 is provided with a support leg 3 and a guide plate 10, the guide plate 10 is provided with Between the support legs 3 on both sides, a connecting column 11 is slidably installed at the bottom of the connecting column 11 , and a mounting base plate 5 is installed at the bottom of the connecting column 11 , and the mounting base plate 5 is located between the supporting legs 3 on both sides. 4. The bottom of the roller 4 is on the same horizontal plane as the bottom of the support leg 3, and the top of the mounting base plate 5 is installed with a support plate 8 at one end away from the connecting column 11, and the support plate 8 is installed through a height adjustment structure When installing the base plate 5;

The height adjustment structure includes a sleeve 6, an adjustment rod 13, a bearing 18 and a chain 20. The sleeve 6 is fixedly connected to the upper surface of the installation base plate 5, and the top of the sleeve 6 is slidably sleeved with a connecting rod. 7. The connecting rod 7 is hollow, the inner wall is provided with a threaded structure 71, the sleeve 6 is slidably provided with a threaded post 21, and one end of the threaded post 21 is located inside the sleeve 6 and extends into the connecting rod 7, and It is threadedly connected with the threaded structure 71 on the connecting rod 7, and the other end of the threaded column 21 is rotatably connected with the mounting base plate 5 through the bearing 18, and extends below the mounting base 5, and is sleeved with a crankset 19 ; One end of the adjusting rod 13 is located on the outside of the mounting base plate 5, and the other end is connected to the mounting base plate 5 through the bearing 18. The crankset 19 on the 21 is connected by the chain 20;

The installation bottom plate 5 is fixedly installed directly under the seat body 1 through a limit structure, the limit structure includes a limit slot 12 , a pull rod 14 and a clamping spring 17 , and the limit slot 12 is opened at the bottom of the installation bottom plate 5 . On the side, the pull rod 14 is movably installed on the support leg 3 away from the end of the seat body 1 where the backrest is located. The support leg 3 is provided with a movable cavity 15 inside. Outside the side, the other end passes through the support leg 3 and the movable cavity 15 on it and extends to the installation bottom plate 5, and faces the side where the limit groove 12 is located, and the one end of the pull rod 14 is in the limit When the groove 12 is facing the pull rod, it is locked inside the limit groove 12; a clamping spring 17 is installed inside the movable cavity 15, and the clamping spring 17 is sleeved on the surface of the pull rod 14. One end abuts the support leg 3 , and the other end is provided with a limiting plate 16 , and the limiting plate 16 is fixed on the surface of the pull rod 14 .

Further, a support leg 3 is fixedly connected to the bottom end of the seat body 1, and a reinforcing plate 2 is fixedly connected between the support leg 3 and the seat body 1, so that the support leg 3 can support its top structure. to support. The guide plate 10 is fixed on the lower surface of the seat body 1 , and a guide groove 101 is formed at the bottom end of the guide plate 10 . The length direction of the guide groove 101 is the sliding direction of the connecting column 11 . The bottom end of 11 is fixed on the top of the mounting base plate 5, and the top end of the connecting column 11 is fixed with a guide block 111. The mounting base 5 is used for connection. Preferably, two guide plates 10 are arranged at intervals at the bottom of the seat body 1 , and the two guide plates 10 are arranged at intervals along the width direction of the guide groove 101 . The upper surface of the mounting base plate 5 is provided with a through groove, and the roller 4 is rotatably connected to the bottom end of the mounting base plate 5 , so that the mounting base plate 5 can be stored into the bottom of the seat body 1 through the roller 4 .

Further, the number of the sleeves 6 is two, each sleeve 6 is provided with a connecting rod 7 , and the top of each connecting rod 7 is fixedly connected to the lower surface of the support plate 8 . The upper surface of the support plate 8 is spaced with two card slots 9 with the slots facing upwards. The inside of the card slots 9 is fixed with a rubber pad 91 , which is convenient for placing the injured leg in the card slot 9 . , to support it and improve placement comfort.

Further, several limiting slots 12 are arranged on the side of the mounting base 5 at intervals, so that the mounting base 5 can be fixed after adjusting the extended position, so that the patient's leg can be stably fixed.

When the utility model is in use, firstly, pull the pull rod 14 to make it out of the limit slot 12, then move the installation bottom plate 5 through the roller 4, adjust the distance between the support plate 8 and the seat body 1 according to the requirements, and then loosen the pull rod 14, so that the end of the pull rod 14 is embedded in the limit slot 12, so that the mounting base plate 5 is fixed relative to the seat body 1; , the three cranksets 19 will rotate at the same time, so that the two threaded columns 21 will rotate at the same time. Since the threaded columns 21 are threadedly connected with the threaded structure 71, the connecting rod 7 will be driven to move up and down along the inside of the sleeve 6, so as to In this way, the height of the support plate 8 can be adjusted, which improves the comfort of the patient.

Then when the device is not in use, the mounting base plate 5 is moved to the bottom end of the seat body 1 by the roller 4, until the end of the pull rod 14 meets the limit groove 12 on the side of the mounting base plate 5. At this time, the clamping spring 17 Under the action of the pull rod 14, the end of the pull rod 14 can be engaged in the interior of the limiting groove 12, so as to fix the mounting base plate 5 and the seat body 1, so that the two do not slide and are convenient for storage.

The related circuits, electronic components and modules are all in the prior art, which can be realized by those skilled in the art. It is needless to mention that the content of the protection of the present invention does not involve the improvement of software and methods.

It will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, and that the present invention may be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments are to be considered in all respects as exemplary and not restrictive, and the scope of the present invention is defined by the appended claims rather than the foregoing description, and it is therefore intended that the All changes within the meaning and scope of the required identical elements are included in the present invention. Any reference signs in the claims shall not be construed as limiting the involved claim.

As mentioned above, the above embodiments are only used to illustrate the technical solutions of the present utility model, but not to limit them; although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that it can still be Modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements to some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present invention .

Claims (7)

1. A seat with a leg support frame, characterized in that it comprises a seat body (1), the bottom of the seat body (1) is provided with a support leg (3) and a guide plate (10), so The guide plate (10) is arranged between the support legs (3) on both sides, the bottom of the guide plate (10) is slidably installed with a connecting column (11), and the bottom of the connecting column (11) is installed with an installation bottom plate (5), the mounting bottom plate (5) is located between the support legs (3) on both sides, the bottom of which is installed with a roller (4), and the end of the top away from the connecting column (11) is installed with a support plate (8), the support plate (8) passes through The height adjustment structure is installed on the installation base plate (5); The height adjustment structure comprises a sleeve (6), an adjustment rod (13), a bearing (18) and a chain (20), the sleeve (6) is fixed on the upper surface of the installation base plate (5), so the The top end of the sleeve (6) is slidably sleeved with a connecting rod (7), the connecting rod (7) is hollow, the inner wall is provided with a threaded structure (71), and the sleeve (6) is slidably provided with a threaded column (71). 21), one end of the threaded post (21) is located inside the sleeve (6) and extends into the connecting rod (7), and is threadedly connected with the threaded structure (71) on the connecting rod (7), the The other end of the threaded column (21) is rotatably connected to the mounting base plate (5) through a bearing (18), and extends below the mounting base plate (5), and is sleeved with a crankset (19); the adjusting rod ( One end of 13) is located on the outside of the mounting base plate (5), the other end is rotatably connected to the mounting base plate (5) through the bearing (18), the other end is sleeved with the crankset (19), the crankset (19) ) and the crankset (19) on the threaded column (21) through a chain (20) drive connection; The mounting base plate (5) is fixedly installed directly below the seat body (1) through a limiting structure, and the limiting structure includes a limiting groove (12), a pull rod (14) and a clamping spring (17), so The limiting groove (12) is provided on the side of the installation base plate (5), and the pull rod (14) is movably installed on the support leg (3) away from the end of the seat body (1) where the backrest is located. A movable cavity (15) is provided inside, one end of the tie rod (14) is located outside the side of the support leg (3) away from the mounting base plate (5), and the other end passes through the support leg (3) and the movable cavity ( 15) and extend to the mounting base plate (5), and face the side where the limit groove (12) is located, the one end of the pull rod (14) is stuck when the limit groove (12) faces the pull rod inside the limit groove (12); a clamping spring (17) is installed inside the movable cavity (15), the clamping spring (17) is sleeved on the surface of the pull rod (14), and the clamping spring (17) is One end of the spring (17) abuts against the support leg (3), and the other end is provided with a limit plate (16), the limit plate (16) is fixed on the surface of the pull rod (14). 2. A seat with a leg support frame according to claim 1, wherein a support leg (3) is fixedly connected to the bottom end of the seat body (1), and the support leg ( 3) A reinforcing plate (2) is fixedly connected with the seat body (1). 3. A seat with a leg support frame according to claim 1, wherein the guide plate (10) is fixed on the lower surface of the seat body (1), and the guide plate (10) is fixed on the lower surface of the seat body (1). ) is provided with a guide groove (101) at the bottom end, the length direction of the guide groove (101) is the sliding direction of the connecting column (11), and the bottom end of the connecting column (11) is fixedly connected to the mounting base plate (5) At the top, a guide block (111) is fixedly connected to the top of the connecting column (11), and the guide block (111) is slidably engaged in the guide groove (101). 4. A seat with a leg support frame according to claim 3, characterized in that: the bottom of the seat body (1) is provided with two guide plates (10) at intervals, and the two guide plates The plates (10) are arranged at intervals along the width direction of the guide grooves (101). 5. A seat with a leg support frame according to claim 1, wherein the number of the sleeves (6) is two, and each sleeve (6) is provided with a connecting rod (7). ), the top of each connecting rod (7) is fixedly connected with the lower surface of the support plate (8). 6. A seat with a leg support frame according to claim 1, characterized in that: the upper surface of the support plate (8) is spaced with two card slots (9), and the slots face upwards. A rubber pad (91) is fixedly connected to the inside of the card slot (9). 7 . The seat with leg support frame according to claim 1 , wherein a plurality of limiting grooves ( 12 ) are provided at intervals on the side surface of the mounting base plate ( 5 ). 8 .

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