Movable waiting chair for obstetrical outpatient service

Abstract

The utility model relates to the technical field of medical equipment, in particular to a movable waiting chair for an obstetrical outpatient service, which comprises a seat, a chair back, a driving gear, a driven gear, a first rotating shaft, a second rotating shaft, a limiting seat and a knob, and the chair back is arranged above the seat; a mounting cavity is formed in the second rotating shaft, and the first rotating shaft is movably arranged in the mounting cavity; the limiting seat is arranged on the chair seat, and a limiting groove and a via hole are formed in the limiting seat; one end of the first rotating shaft sequentially penetrates through the end opening of the mounting cavity and the via hole to be connected with the knob; a limiting lug boss is formed on the first rotating shaft, and after the chair back is fixed relative to the chair seat, the limiting lug boss is clamped in the limiting groove; a limiting opening communicated with the mounting cavity is formed in the second rotating shaft, a linkage part is formed on the first rotating shaft, and the linkage part can move along the limiting opening; the driving gear sleeves the second rotating shaft, and a plurality of driven teeth are arranged at the bottom of the chair back and are meshed with the driving gear.

Description

Technical Field

[0001] The present application relates to the technical field of medical equipment, and in particular to a mobile waiting chair for obstetric outpatient clinics. Background Art

[0002] At present, hospital waiting chairs are essential public facilities in waiting halls. The backrests cannot be rotated and adjusted as needed, especially for pregnant women. Due to the bulging abdomen of pregnant women, the abdomen is easily squeezed when sitting, which affects the safety of pregnant women. Therefore, it is necessary to design a waiting chair with an adjustable backrest for obstetric outpatient clinics. Utility Model Content

[0003] The purpose of the present application is to provide a mobile waiting chair for obstetric outpatient clinics, which to a certain extent solves the technical problem in the prior art of needing to design a waiting chair with an adjustable backrest for obstetric outpatient clinics.

[0004] The present application provides a mobile waiting chair for an obstetric clinic, comprising: a seat, a chair back, a driving gear, a driven gear, a first rotating shaft, a second rotating shaft, a limiting seat and a knob; wherein the seat back is arranged above the seat; a mounting cavity penetrating one end of the second rotating shaft is formed inside the second rotating shaft, and the first rotating shaft is movably arranged in the mounting cavity; the limiting seat is arranged on the seat, and the limiting seat is formed with a limiting groove and a through hole; one end of the first rotating shaft passes through the end opening of the mounting cavity and the through hole in sequence to be connected with the knob;

[0005] The first rotating shaft is formed with a plurality of limiting protrusions, and when the chair back is fixed relative to the seat, at least one of the limiting protrusions is clamped in the corresponding limiting groove; the second rotating shaft is formed with a limiting opening communicated with the mounting cavity, and the limiting opening extends along the axial direction; the first rotating shaft is formed with a linkage portion, and the linkage portion is arranged in the limiting opening and can move along the limiting opening; the driving gear is sleeved on the outside of the second rotating shaft, and a plurality of driven teeth are arranged at the bottom of the chair back, and the driven teeth are meshed with the driving gear.

[0006] In the above technical solution, further, the mobile waiting chair for obstetric outpatient clinic also includes a first spring, and one end of the first spring is connected to the end of the first rotating shaft away from the knob, and the other opposite end of the first spring is connected to the inner wall of the installation cavity away from the knob.

[0007] In any of the above technical solutions, further, the mobile waiting chair for obstetric clinic also includes a mounting seat and armrests; wherein the number of the armrests is two, and they are respectively arranged on opposite sides of the seat and the chair back;

[0008] Any of the armrests is equipped with two mounting seats, and along the length direction of the armrest, the two mounting seats are respectively arranged at the front end and the rear end of the armrest, and are respectively rotatably connected to the armrest.

[0009] In any of the above technical solutions, further, the mobile waiting chair for obstetric outpatient clinic also includes a support frame, a docking rod, a pulling sleeve, a second spring and a limiter; wherein the support frame is fixed on a mounting seat away from the chair back; the support frame is formed with an internal hollow mounting space and a first through hole and a second through hole connected to the mounting space; a limit hole is formed at one end of the armrest away from the chair back;

[0010] The docking rod is sequentially inserted into the first through hole, the installation space and the second through hole, and one end of the docking rod extends to the outside of the first through hole and is sleeved with the pulling sleeve, and the other end of the docking rod extends to the outside of the second through hole and is inserted into the limiting hole of the armrest; the second spring and the limiting member are both sleeved on the docking rod and are both located in the installation space, and the limiting member is located on the side of the second spring close to the armrest.

[0011] In any of the above technical solutions, further, the mobile waiting chair for obstetric clinic also includes a base and a plurality of movable wheels; wherein the plurality of movable wheels are evenly distributed at the bottom of the base; and the base is arranged at the bottom of the seat.

[0012] In any of the above technical solutions, further, the mobile waiting chair for obstetric outpatient clinic also includes a hydraulic lifting rod, and the base is connected to the seat through the hydraulic lifting rod.

[0013] In any of the above technical solutions, further, the mobile waiting chair for obstetric clinic also includes a soft seat cushion, and the soft seat cushion is arranged on the top of the chair seat.

[0014] In any of the above technical solutions, further, the mobile waiting chair for obstetric clinic also includes a back cushion, and the back cushion is arranged on the chair back.

[0015] In any of the above technical solutions, further, the mobile waiting chair for obstetric outpatient clinic also includes a support seat, the support seat is arranged on the chair seat, and the end of the second rotating shaft away from the knob is rotatably connected to the support seat;

[0016] The chair back is rotatably connected to the support seat and the limiting seat respectively.

[0017] In any of the above technical solutions, further, the number of the limiting grooves is multiple and is evenly distributed around the axial direction of the first rotation axis.

[0018] In any of the above technical solutions, further, the limiting groove is arranged on a side of the limiting seat away from the chair back.

[0019] Compared with the prior art, the beneficial effects of this application are:

[0020] The working process of a mobile waiting chair for obstetric outpatient clinics provided by the present application is as follows: by pulling the knob in a direction away from the seat, that is, outward, the limiting protrusion on the first rotating shaft is disengaged from the limiting groove, the limit is released, and then the knob is rotated to drive the first rotating shaft to rotate. Since the linkage part on the first rotating shaft is installed in the limiting opening on the second rotating shaft, the second rotating shaft can be driven to rotate synchronously, thereby driving the driving gear to rotate, and the driving gear drives the driven gear to rotate, so that the chair back rotates relative to the seat, so that pregnant women can adjust the chair back to a suitable angle relative to the seat according to their own needs, avoiding squeezing of the pregnant belly, thereby improving the comfort of pregnant women and having a wider range of applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the specific implementation methods of the present application or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0022] Figure 1 A schematic diagram of the structure of a mobile waiting chair for an obstetric clinic provided in an embodiment of the present application;

[0023] Figure 2 Another structural schematic diagram of a mobile waiting chair for an obstetric clinic provided in an embodiment of the present application;

[0024] Figure 3 A schematic diagram of the partial structure of a mobile waiting chair for an obstetric clinic provided in an embodiment of the present application;

[0025] Figure 4 Another partial structural schematic diagram of a mobile waiting chair for an obstetric clinic provided in an embodiment of the present application;

[0026] Figure 5 This is a schematic assembly diagram of the support frame, docking rod, pulling sleeve, second spring and limiting member provided in an embodiment of the present application.

[0027] Reference numerals:

[0028] 1-seat, 2-backrest, 3-driving gear, 4-driven gear, 5-first rotating shaft, 51-limiting protrusion, 52-linkage part, 6-second rotating shaft, 61-limiting mouth, 7-limiting seat, 71-limiting groove, 8-knob, 9-first spring, 10-mounting seat, 11-armrest, 12-support frame, 121-flat plate, 122-U-shaped plate, 13-docking rod, 14-pulling sleeve, 15-second spring, 16-limiting piece, 17-base, 18-hydraulic lifting rod, 19-moving wheel, 20-soft seat cushion, 21-back cushion, 22-support seat. DETAILED DESCRIPTION

[0029] The technical solution of the present application will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments.

[0030] The components of the embodiments of the present application generally described and shown in the accompanying drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the application claimed, but merely represents the selected embodiments of the present application.

[0031] Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making any creative work shall fall within the scope of protection of this application.

[0032] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application 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 limiting the present application. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0033] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0034] Refer to the following Figures 1 to 5 A mobile waiting chair for obstetric clinics according to some embodiments of the present application is described.

[0035] See also Figures 1 to 4 As shown, the embodiment of the present application provides a mobile waiting chair for obstetric outpatient clinic, comprising: a seat 1, a seat back 2, a driving gear 3, a driven gear 4, a first rotating shaft 5, a second rotating shaft 6, a limiting seat 7 and a knob 8; wherein the seat back 2 is arranged above the seat 1; a mounting cavity penetrating one end of the second rotating shaft 6 is formed inside, and the first rotating shaft 5 is movably arranged in the mounting cavity; the limiting seat 7 is arranged on the seat 1, and the limiting seat 7 forms a limiting groove 71 and a through hole; one end of the first rotating shaft 5 passes through the end opening of the mounting cavity and the through hole in sequence to be connected with the knob 8;

[0036] The first rotating shaft 5 is formed with a plurality of limiting protrusions 51, and when the chair back 2 is fixed relative to the seat 1, at least one of the limiting protrusions 51 is clamped in the corresponding limiting groove 71; the second rotating shaft 6 is formed with a limiting opening 61 connected to the mounting cavity, and the limiting opening 61 extends along the axial direction; the first rotating shaft 5 is formed with a linkage portion 52, and the linkage portion 52 is arranged in the limiting opening 61 and can move along the limiting opening 61; the driving gear 3 is sleeved on the outside of the second rotating shaft 6, and a plurality of driven teeth 4 are arranged at the bottom of the chair back 2, and the driven teeth 4 are meshed with the driving gear 3.

[0037] In this embodiment, the working process of the mobile waiting chair for obstetric clinic is as follows: by pulling the knob 8 in the direction away from the seat 1, that is, outward, the limiting protrusion 51 on the first rotating shaft 5 is disengaged from the limiting groove 71, the limit is released, and then the knob 8 is rotated again, thereby driving the first rotating shaft 5 to rotate. Since the linkage part 52 on the first rotating shaft 5 is installed in the limiting opening 61 on the second rotating shaft 6, the second rotating shaft 6 can be driven to rotate synchronously, thereby driving the driving gear 3 to rotate, and the driving gear 3 drives the driven gear 4 to rotate, thereby making the chair back 2 rotate relative to the seat 1, so that the pregnant woman can adjust the chair back 2 to a suitable angle relative to the seat 1 according to her own needs, avoiding squeezing of the pregnant belly, thereby improving the comfort of the pregnant woman and having a wider range of applications.

[0038] In one embodiment of the present application, preferably, Figure 4 As shown, the mobile waiting chair for obstetric clinic also includes a first spring 9, and one end of the first spring 9 is connected to the end of the first rotating shaft 5 away from the knob 8, and the other opposite end of the first spring 9 is connected to the inner wall of the installation cavity away from the knob 8.

[0039] In this embodiment, when the adjustment is completed, just loosen the knob 8, and under the action of the first spring 9, the first rotating shaft 5 is pulled back to its original position, thereby resetting the first rotating shaft 5, so that the limiting protrusion 51 on the first rotating shaft 5 is re-engaged in the limiting groove 71.

[0040] In one embodiment of the present application, preferably, Figure 1 As shown, the mobile waiting chair for obstetric outpatient clinic also includes a mounting seat 10 and armrests 11; wherein, the number of armrests 11 is two, and they are respectively arranged on opposite sides of the seat 1 and the chair back 2;

[0041] Each armrest 11 is equipped with two mounting seats 10 , and along the length direction of the armrest 11 , the two mounting seats 10 are respectively arranged at the front end and the rear end of the armrest 11 , and are respectively rotatably connected to the armrest 11 .

[0042] In this embodiment, the armrest 11 plays a role in protecting pregnant women.

[0043] In one embodiment of the present application, preferably, Figure 5 As shown, the mobile waiting chair for obstetric outpatient clinic also includes a support frame 12, a docking rod 13, a pulling sleeve 14, a second spring 15 and a limiter 16; wherein the support frame 12 is fixed on the mounting seat 10 away from the chair back 2; the support frame 12 is formed with an internal hollow mounting space and a first through hole and a second through hole connected to the mounting space; a limit hole is formed at one end of the armrest 11 away from the chair back 2;

[0044] The docking rod 13 is sequentially inserted into the first through hole, the installation space and the second through hole, and one end of the docking rod 13 extends to the outside of the first through hole and is sleeved with a pulling sleeve 14, and the other end of the docking rod 13 extends to the outside of the second through hole and is inserted into the limiting hole of the armrest 11; the second spring 15 and the limiting member 16 are both sleeved on the docking rod 13 and are both located in the installation space, and the limiting member 16 is located on the side of the second spring 15 close to the armrest 11.

[0045] In this embodiment, the initial state of the armrest 11 is an upright placement state. When the armrest 11 needs to be rotated and lowered, the pulling sleeve 14 can be pulled in a direction away from the armrest 11, thereby driving the docking rod 13 to slide along the inside of the support frame 12, so that the docking rod 13 can drive the limiter 16 to move, thereby compressing the second spring 15. At this time, the docking rod 13 is moved out of the limit hole of the armrest 11, releasing the limit on the armrest 11, so that the armrest 11 can be rotated and the armrest 11 is rotated outward and lowered. When the armrest 11 needs to be erected, When the armrest 11 is fully erected, the pulling sleeve 14 can be released, and the second spring 15 can be used to force the connecting rod 13 to move toward the armrest 11, so that the end of the connecting rod 13 is inserted into the limiting hole of the armrest 11, thereby limiting the armrest 11 and preventing the armrest 11 from falling down.

[0046] In one embodiment of the present application, preferably, Figure 5 As shown, the support frame 12 includes a connected flat plate 121 and a U-shaped plate 122, wherein the flat plate 121 is fixed on the mounting base 10, the U-shaped plate 122 is arranged on the side of the flat plate 121 away from the armrest 11, and the opening of the U-shaped plate 122 faces the flat plate 121, and the U-shaped plate 122 and the flat plate 121 enclose the aforementioned installation space for installing the second spring 15, the limit member 16 and the docking rod 13.

[0047] Further, preferably, the flat plate 121 and the U-shaped plate 122 are of an integrated structure, but are not limited thereto, and may also be of a split structure and connected by welding or the like.

[0048] Further, preferably, the flat plate 121 and the mounting seat 10 can be connected by welding or bolts.

[0049] In one embodiment of the present application, preferably, Figure 1 As shown, the mobile waiting chair for obstetric clinic also includes a base 17 and a plurality of movable wheels 19 ; wherein the plurality of movable wheels 19 are evenly distributed at the bottom of the base 17 ; and the base 17 is arranged at the bottom of the seat 1 .

[0050] In this embodiment, the present application designs a waiting chair structure with moving wheels 19, which is convenient for moving to the target location and is simple and convenient to operate.

[0051] Further, preferably, the moving wheel 19 is a universal wheel, and the universal wheel has a braking function, which is a prior art and will not be described in detail here.

[0052] Further, preferably, the base 17 is disc-shaped, and a plurality of moving wheels 19 are evenly arranged around the center of the bottom of the disc.

[0053] In one embodiment of the present application, preferably, Figure 1 As shown, the mobile waiting chair for obstetric outpatient clinic also includes a hydraulic lifting rod 18, and the base 17 is connected to the chair seat 1 through the hydraulic lifting rod 18.

[0054] In this embodiment, the seat can be raised or lowered by a hydraulic lifting rod 18 to meet requirements of different heights.

[0055] In one embodiment of the present application, preferably, Figure 1 As shown, the mobile waiting chair for obstetric outpatient clinic also includes a soft seat cushion 20, and the soft seat cushion 20 is arranged on the top of the chair seat 1.

[0056] In this embodiment, the seat 1 is provided with a soft seat cushion 20 to improve the comfort of pregnant women.

[0057] In one embodiment of the present application, preferably, Figure 1 As shown, the mobile waiting chair for obstetric outpatient clinic further includes a backrest cushion 21 , and the backrest cushion 21 is arranged on the chair back 2 .

[0058] In this embodiment, the chair back 2 is provided with a backrest cushion 21 to improve the comfort of pregnant women.

[0059] In one embodiment of the present application, preferably, Figure 1 As shown, the mobile waiting chair for obstetric outpatient clinic also includes a support seat 22, which is arranged on the chair seat 1, and one end of the second rotating shaft 6 away from the knob 8 is rotatably connected to the support seat 22.

[0060] In this embodiment, the support seat 22 supports the side of the second rotation shaft 6 away from the limiting seat 7, so that the second rotation shaft 6 is more stable during the rotation process.

[0061] In one embodiment of the present application, preferably, Figure 4 As shown, the limiting groove 71 is arranged on the side of the limiting seat 7 away from the chair back 2, and correspondingly, the limiting protrusion 51 is arranged on the side of the limiting groove 71 away from the chair back 2, so that the limiting groove 71 can cooperate with the limiting protrusion 51, and it is not easy to interfere with other structures while completing the limiting.

[0062] In one embodiment of the present application, preferably, Figure 2 As shown, the chair back 2 is rotatably connected to the support seat 22 and the limiting seat 7 respectively.

[0063] In this embodiment, in addition to the rotational connection between the chair back 2 and the seat 1 through the transmission structure such as the first rotating shaft 5, the second rotating shaft 6, the driving gear 3 and the driven gear 4, another rotational connection structure can also be designed, that is, the chair back 2 is rotationally connected to the support seat 22 and the limit seat 7 respectively, so that the chair back 2 is more stable, whether in the rotation process or in a fixed state. In addition, the chair back 2 can also be not rotationally connected to the support seat 22 and the limit seat 7, but auxiliary seats can be designed separately for the chair back 2 and the seat 1. Preferably, the number of auxiliary seats is two, and they are arranged at intervals on both sides of the seat 1, and the chair back 2 is respectively connected to the two auxiliary seats through a rotating shaft.

[0064] Of course, not limited to this, the chair back 2 can also be rotatably connected to the seat 1 only through the transmission structure such as the first rotating shaft 5, the second rotating shaft 6, the driving gear 3 and the driven gear 4, without the need to make the chair back 2 rotatably connected to the support seat 22 and the limit seat 7 respectively.

[0065] In one embodiment of the present application, preferably, Figure 4As shown, a plurality of limiting protrusions 51 are evenly arranged around the axis of the first rotating shaft 5. Correspondingly, the number of limiting grooves 71 can also be designed to be multiple, and are also evenly arranged around the axis of the first rotating shaft 5. Of course, it is not limited to this. The number of limiting grooves 71 can also be one, while the number of limiting protrusions 51 can be multiple, and are evenly arranged around the axis of the first rotating shaft 5.

[0066] In one embodiment of the present application, preferably, Figure 2 As shown, a rotating shaft portion may also be provided at the bottom of the chair back 2, and a plurality of driven teeth 4 may be provided on the rotating shaft portion and arranged uniformly and sequentially around the axial direction of the rotating shaft portion. Of course, a driven gear 4 wheel may also be used, the driven gear 4 wheel is sleeved on the rotating shaft portion, and the chair back 2 is formed with an avoidance groove for avoiding the driven gear 4 wheel from extending into the teeth inside thereof, and the driven gear 4 wheel is meshed with the driving gear 3.

[0067] In one embodiment of the present application, preferably, Figure 2 As shown, there are two driving gears 3, and they are spaced apart along the axial direction of the second rotating shaft 6. Correspondingly, each driving gear 3 is equipped with a plurality of driven teeth 4. Of course, the number of driving gears 3 is not limited to this. The number of driving gears 3 can also be one or more than two, such as three, four, etc. Correspondingly, each driving gear 3 needs to be equipped with a plurality of driven teeth 4.

[0068] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit it. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A mobile waiting chair for obstetric outpatient clinic, characterized in that: include: A seat, a seat back, a driving gear, a driven gear, a first rotating shaft, a second rotating shaft, a limiting seat and a knob; wherein the seat back is arranged above the seat; a mounting cavity penetrating one end of the second rotating shaft is formed inside the second rotating shaft, and the first rotating shaft is movably arranged in the mounting cavity; the limiting seat is arranged on the seat, and the limiting seat is formed with a limiting groove and a through hole; one end of the first rotating shaft passes through the end opening of the mounting cavity and the through hole in sequence to be connected with the knob; The first rotating shaft is formed with a plurality of limiting protrusions, and when the chair back is fixed relative to the seat, at least one of the limiting protrusions is clamped in the corresponding limiting groove; the second rotating shaft is formed with a limiting opening communicated with the mounting cavity, and the limiting opening extends along the axial direction; the first rotating shaft is formed with a linkage portion, and the linkage portion is arranged in the limiting opening and can move along the limiting opening; the driving gear is sleeved on the outside of the second rotating shaft, and a plurality of driven teeth are arranged at the bottom of the chair back, and the driven teeth are meshed with the driving gear.

2. The mobile waiting chair for obstetric outpatient clinic according to claim 1, characterized in that: The mobile waiting chair for obstetric clinic also includes a first spring, and one end of the first spring is connected to the end of the first rotating shaft away from the knob, and the other opposite end of the first spring is connected to the inner wall of the installation cavity away from the knob.

3. The mobile waiting chair for obstetric outpatient clinic according to claim 1, characterized in that: The mobile waiting chair for obstetric outpatient clinic also includes a mounting seat and armrests; wherein the number of the armrests is two, and they are respectively arranged on opposite sides of the seat and the chair back; Any of the armrests is equipped with two mounting seats, and along the length direction of the armrest, the two mounting seats are respectively arranged at the front end and the rear end of the armrest, and are respectively rotatably connected to the armrest.

4. The mobile waiting chair for obstetric outpatient clinic according to claim 3, characterized in that: The mobile waiting chair for obstetric clinic also includes a support frame, a docking rod, a pulling sleeve, a second spring and a limiter; wherein the support frame is fixed on a mounting seat away from the chair back; the support frame is formed with an internal hollow mounting space and a first through hole and a second through hole connected to the mounting space; a limit hole is formed at one end of the armrest away from the chair back; The docking rod is sequentially inserted into the first through hole, the installation space and the second through hole, and one end of the docking rod extends to the outside of the first through hole and is sleeved with the pulling sleeve, and the other end of the docking rod extends to the outside of the second through hole and is inserted into the limiting hole of the armrest; the second spring and the limiting member are both sleeved on the docking rod and are both located in the installation space, and the limiting member is located on the side of the second spring close to the armrest.

5. The mobile waiting chair for obstetric outpatient clinic according to claim 1, characterized in that: The mobile waiting chair for obstetric clinic also includes a base and a plurality of movable wheels; wherein the plurality of movable wheels are evenly distributed at the bottom of the base; and the base is arranged at the bottom of the chair seat.

6. The mobile waiting chair for obstetric outpatient clinic according to claim 5, characterized in that: The mobile waiting chair for obstetric outpatient clinic also includes a hydraulic lifting rod, and the base is connected to the chair seat through the hydraulic lifting rod.

7. The mobile waiting chair for obstetric outpatient clinic according to claim 1, characterized in that: The mobile waiting chair for the obstetric clinic also includes a soft seat cushion, and the soft seat cushion is arranged on the top of the chair seat.

8. The mobile waiting chair for obstetric outpatient clinic according to claim 1, characterized in that: The mobile waiting chair for obstetric clinic also includes a backrest cushion, and the backrest cushion is arranged on the chair back.

9. The mobile waiting chair for obstetric outpatient clinic according to claim 1, characterized in that: The mobile waiting chair for obstetric outpatient clinic also includes a support seat, which is arranged on the chair seat, and one end of the second rotating shaft away from the knob is rotatably connected to the support seat; The chair back is rotatably connected to the support seat and the limiting seat respectively.

10. The mobile waiting chair for obstetric outpatient clinic according to any one of claims 1 to 9, characterized in that: The number of the limiting grooves is multiple and they are evenly distributed around the axis direction of the first rotation axis; and / or The limiting groove is arranged on a side of the limiting seat away from the chair back.

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