CN209713451U - A kind of mobile more shaking tables of the ABS head of a bed - Google Patents

Abstract

The utility model discloses a kind of mobile more shaking tables of ABS head of a bed, including headpiece, support frame, cutting ferrule, spherical linkage, thigh plate, first rocking handle, second rocking handle, third rocking handle mechanism, elevating mechanism, bed tail plate, calf plate, seat plate component, bracket, idler wheel foot, cross bar, pivoted housing, backboard, tables and hinge, one side bottom of headpiece is fixedly connected with bracket side by fixing bolt, one side bottom of bed tail plate is fixedly connected with the bracket other side by fixing bolt, the bed tail plate two sides of the bottom are fixedly connected by fixing bolt with idler wheel foot, support frame as described above bottom is fixedly connected by spherical linkage with rack upper surface both sides of the edge, the mobile more shaking table hand-operated transmissions of the ABS head of a bed are more simple and efficient, production cost is low, it installs relatively simple, it is provided with three simultaneously and shakes function, it approximate can adjust Chair shape is saved into, is provided with slide plate on seat plate component, bottom can fill chamber pot, and sufferer can directly carry out defecation in bed.

Description

A kind of mobile more shaking tables of the ABS head of a bed

Technical field

The utility model relates to medical apparatus and instruments technical field, specially a kind of mobile more shaking tables of the ABS head of a bed.

Background technique

The mobile more shaking table head of a bed of the ABS head of a bed, tailstock use ABS senior engineering plastic at present, and good appearance is detachable, Sturdy and durable, bed surface is one time punching molded using cold bundle steel plate, safety, firm, folding type aluminum alloy guardrail, and lifting is freely, square Just practical, but joystick internal drive structure is complex, increases the complexity of production cost and installation, while generally can only The lifting of hand control two boards, limitation is big, can not very good solution patient with severe symptoms defecation problem, for such issues that, It needs to solve optimization to the above problem using the prior art.

Summary of the invention

The purpose of this utility model is to provide a kind of mobile more shaking tables of ABS head of a bed, to solve to mention in above-mentioned background technique Out the problem of.

In order to solve the above-mentioned technical problem, the utility model provides the following technical solutions: a kind of ABS head of a bed is mobile to be shaken more Bed, including headpiece, support frame, cutting ferrule, spherical linkage, thigh plate, the first rocking handle, the second rocking handle, third rocking handle mechanism, lifting Mechanism, bed tail plate, calf plate, seat plate component, bracket, idler wheel foot, cross bar, pivoted housing, backboard, tables and hinge, the head of a bed One side bottom of plate is fixedly connected with bracket side by fixing bolt, and one side bottom of bed tail plate and the bracket other side pass through admittedly Determine bolt to be fixedly connected, the bed tail plate two sides of the bottom are fixedly connected by fixing bolt with idler wheel foot, support frame as described above bottom It is fixedly connected by spherical linkage with rack upper surface both sides of the edge, the cutting ferrule inner wall is slidably mounted on a side stand component outer ring Middle part, the pivoted housing inner wall are slidably mounted in the middle part of another side stand component outer ring, and the tables and pivoted housing connect by the way that hinge is fixed It connects, the cross bar upper surface middle part and bracket are welded and fixed close to headpiece side bottom surface, by solid at the top of the idler wheel foot Determine bolt to be fixedly connected with cross bar both ends, the backboard is close to the side of bed tail plate by hinge and seat plate component close to the head of a bed The side of plate is fixedly connected, and the other side of the seat plate component is by hinge and thigh plate close to the fixed company in the side of headpiece It connects, the seat plate component is made of seat plate, inside groove, slide plate and sliding slot, and the seat plate upper surface middle part offers rectangular through-hole, institute It states through-hole wall top two sides and offers inside groove, sliding slot is offered at the top and bottom of the inside groove, slides peace between the sliding slot Equipped with slide plate, the thigh plate other side is fixedly connected with calf plate close to the side of headpiece by hinge, the elevator Side center weldment at the top of structure with seat plate component bottom surface close to bed tail plate is fixed, and the elevating mechanism is by shell, bull stick, circle Platform, worm gear, screw rod and slide bar composition, bull stick outer ring both ends are welded and fixed with rolling bearing inner ring, outside the rolling bearing Circle is welded and fixed with housing through-hole inner wall, and worm gear side center is welded and fixed with bull stick one end, and the worm gear and screw rod are logical It crosses engagement to be fixedly connected, screw rod outer ring top is welded and fixed with rotary table inner wall, the rotary table outer ring and slide bar upper inside wall It is welded and fixed, slide bar top inner wall center is welded and fixed with screw tip, in the slide bar outer ring and shell Vertical Channel Wall is slidably connected, and the vertical upper lateral part of the first rocking handle is threadably secured with one end that bull stick is not charged with worm gear to be connect, institute It states the vertical upper lateral part of the second rocking handle and is threadably secured with one end that another elevating mechanism is not charged with worm gear and is connect, the lifting Mechanism center of top is fixedly connected by spherical linkage with the side bottom surface that hinge is fixed with calf plate, the third rocking handle mechanism Connected by third rocking handle, shell, fixed station, worm screw, Self locking gears, strut, first bevel gear, second bevel gear, boss, first Bar, second connecting rod and fixed link composition, worm screw outer ring both ends are welded and fixed with rolling bearing inner ring, outside the rolling bearing Circle is welded and fixed with outer casing through hole inner wall, and the vertical upper lateral part of third rocking handle is threadably secured with worm screw one end to be connect, The worm screw is welded and fixed close to the side outer ring of third rocking handle with fixed station inner wall, and the fixed station outer ring and shell sliding connect It connecing, with Self locking gears by engaging connection, the Self locking gears bottom center is welded with strut for worm screw center side, The strut is welded and fixed with rolling bearing inner ring, and the housing washer is located at the inner wall of the lower section of Self locking gears with shell It is welded and fixed, one end that the worm screw is not charged with third rocking handle is fixedly welded on the big plane side center of first bevel gear, described For first bevel gear with second bevel gear by engaging connection, second bevel gear facet side center weldment is fixed with rotation Bar, the rotating bar other end are welded and fixed with rolling bearing inner ring, and the housing washer is welded and fixed with outer casing inner wall, described Boss one end is fixedly welded on the lower part of the big plane side of second bevel gear, boss other end center by fixture nut with First connecting rod side is fixedly connected, and the first connecting rod other side is fixedly connected by fixture nut with second connecting rod side, institute It states the second connecting rod other side to be fixedly connected with a slide block by spherical linkage, the sliding block is slidably mounted on the slideway in backboard center Interior, the second connecting rod is fixedly connected with fixed link side by fixture nut close to first connecting rod side, and the fixed link is another Side is fixedly connected with the lower part that headpiece is welded with bracket side by fixing bolt.

Further, the second bevel gear major diameter is twice of first bevel gear major diameter.

Further, the shell Vertical Channel inner wall, bull stick outer ring and worm screw outer peripheral surface are coated with lubricating oil.

Further, the backboard, seat plate component, thigh plate and calf plate splicing length are equal to headpiece to bed tail plate Distance.

Further, fixed below the seat plate component bottom through-hole that chamber pot is housed.

Compared with prior art, the utility model beneficial effect achieved is: the mobile more hand biographies of shaking table of the ABS head of a bed Motivation structure is mainly made of worm gear, worm screw, gear, link mechanism, and structure is more simple and efficient, and production cost is low, and installation is more Simplicity, while being provided with and three shaking function, can approximation be adjusted to chair shape, be provided with slide plate on seat plate component, bottom can fill just Bucket, sufferer can directly carry out defecation in bed.

Detailed description of the invention

Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:

Fig. 1 is the entirety perspective view of the utility model；

Fig. 2 is the third rocking handle mechanism main view cutting structural schematic diagram of the utility model；

Fig. 3 is that first rocking handle of the utility model and elevating mechanism assemble main view cutting structural schematic diagram；

Fig. 4 is that second rocking handle of the utility model and elevating mechanism assemble main view cutting structural schematic diagram；

Fig. 5 is the seat plate component main view cutting structural schematic diagram of the utility model；

In figure: 1, headpiece；2, support frame；3, cutting ferrule；4, spherical linkage；5, thigh plate；6, the first rocking handle；7, it second shakes Handle；8, third rocking handle mechanism；9, elevating mechanism；10, bed tail plate；11, calf plate；12, seat plate component；13, bracket；14, idler wheel Foot；15, cross bar；16, pivoted housing；17, backboard；18, tables；19, hinge；81, third rocking handle；82, shell；83, fixed station； 84, worm screw；85, Self locking gears；86, strut；87, first bevel gear；88, second bevel gear；89, boss；810, first connecting rod； 811, second connecting rod；812, fixed link；91, shell；92, bull stick；93, rotary table；94, worm gear；95, screw rod；96, slide bar；121, Seat plate；122, inside groove；123, slide plate；124, sliding slot.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-5 is please referred to, the utility model provides a kind of technical solution: a kind of mobile more shaking tables of the ABS head of a bed, including the head of a bed Plate 1, support frame 2, cutting ferrule 3, spherical linkage 4, thigh plate 5, the first rocking handle 6, the second rocking handle 7, third rocking handle mechanism 8, elevator Structure 9, bed tail plate 10, calf plate 11, seat plate component 12, bracket 13, idler wheel foot 14, cross bar 15, pivoted housing 16, backboard 17, tables 18 and hinge 19,1 one side bottom of headpiece be fixedly connected with 13 side of bracket by fixing bolt, 10 1 side bottom of bed tail plate with 13 other side of bracket is fixedly connected by fixing bolt, and 10 two sides of the bottom of bed tail plate connect by the way that fixing bolt and idler wheel foot 14 are fixed It connects, 2 bottom of support frame is fixedly connected by spherical linkage 4 with 13 upper surface both sides of the edge of bracket, and 3 inner wall of cutting ferrule is slidably mounted on In the middle part of one side stand component, 2 outer ring, 16 inner wall of pivoted housing is slidably mounted in the middle part of another 2 outer ring of side stand component, tables 18 and pivoted housing 16 It is fixedly connected by hinge 19,15 upper surface middle part of cross bar is welded and fixed with bracket 13 close to 1 side bottom surface of headpiece, idler wheel It is fixedly connected by fixing bolt with 15 both ends of cross bar at the top of foot 14, backboard 17 passes through hinge 19 close to the side of bed tail plate 10 It is fixedly connected with seat plate component 12 close to the side of headpiece 1, the other side of seat plate component 12 is leaned on by hinge 19 with thigh plate 5 The side of nearly headpiece 1 is fixedly connected, and fixed below 12 bottom through-hole of seat plate component that chamber pot is housed, seat plate component 12 is by seat plate 121, inside groove 122, slide plate 123 and sliding slot 124 form, and 121 upper surface middle part of seat plate offers rectangular through-hole, through-hole wall top Two sides offer inside groove 122, and 122 top and bottom of inside groove offer sliding slot 124, are slidably fitted with slide plate between sliding slot 124 123,5 other side of thigh plate is fixedly connected with calf plate 11 close to the side of headpiece 1 by hinge 19, backboard 17, seat plate Component 12, thigh plate 5 and the splicing length of calf plate 11 are equal to the distance that headpiece 1 arrives bed tail plate 10,9 top of elevating mechanism and seat 12 bottom surface of board group part is fixed close to the side center weldment of bed tail plate 10, and elevating mechanism 9 is by shell 91, bull stick 92, rotary table 93, worm gear 94, screw rod 95 and slide bar 96 form, and 92 outer ring both ends of bull stick are welded and fixed with rolling bearing inner ring, outside rolling bearing Circle is welded and fixed with 91 through-hole wall of shell, and 91 Vertical Channel inner wall of shell, 92 outer ring of bull stick and 84 outer peripheral surface of worm screw apply There is lubricating oil, 94 side center of worm gear is welded and fixed with 92 one end of bull stick, and worm gear 94 is fixedly connected with screw rod 95 by engaging, spiral shell 95 outer ring top of bar is welded and fixed with 93 inner wall of rotary table, and 93 outer ring of rotary table is welded and fixed with 96 upper inside wall of slide bar, and slide bar 96 pushes up It is welded and fixed at the top of portion inner wall center and screw rod 95,96 outer ring of slide bar is slidably connected with 91 Vertical Channel inner wall of shell, and first shakes The vertical upper lateral part of handle 6 is threadably secured with one end that bull stick 92 is not charged with worm gear 94 to be connect, on the vertical side of the second rocking handle 7 Portion is threadably secured with one end that another elevating mechanism 9 is not charged with worm gear 94 and connect, and 9 center of top of elevating mechanism passes through spherical shape Hinge 4 is fixedly connected with the side bottom surface that hinge 19 is fixed with calf plate 11, and third rocking handle mechanism 8 is by third rocking handle 81, shell 82, fixed station 83, worm screw 84, Self locking gears 85, strut 86, first bevel gear 87, second bevel gear 88, boss 89, first connect Bar 810, second connecting rod 811 and fixed link 812 form, and 84 outer ring both ends of worm screw are welded and fixed with rolling bearing inner ring, the axis of rolling Bearing outer-ring is welded and fixed with 82 through-hole wall of shell, and the vertical upper lateral part of third rocking handle 81 is threadably secured with 84 one end of worm screw Connection, worm screw 84 are welded and fixed close to the side outer ring of third rocking handle 81 with 83 inner wall of fixed station, 83 outer ring of fixed station and shell 82 are slidably connected, and with Self locking gears 85 by engaging connection, 85 bottom center of Self locking gears is welded and fixed the central side of worm screw 84 There is strut 86, strut 86 is welded and fixed with rolling bearing inner ring, and housing washer and shell 82 are located under Self locking gears 85 The inner wall of side is welded and fixed, and one end that worm screw 84 is not charged with third rocking handle 81 is fixedly welded on the big plane side of first bevel gear 87 Center, first bevel gear 87 are first bevel gear 87 by engaging connection, 88 major diameter of second bevel gear with second bevel gear 88 Twice of major diameter, 88 facet side center weldment of second bevel gear are fixed with rotating bar, the rotating bar other end and the axis of rolling It holds inner ring to be welded and fixed, housing washer is welded and fixed with 82 inner wall of shell, and 89 one end of boss is fixedly welded on the second cone tooth The lower part of 88 big plane sides is taken turns, 89 other end center of boss is fixedly connected by fixture nut with 810 side of first connecting rod, 810 other side of first connecting rod is fixedly connected by fixture nut with 811 side of second connecting rod, and 811 other side of second connecting rod passes through Spherical linkage 4 is fixedly connected with a slide block, and sliding block is slidably mounted in the slideway in the center of backboard 17, and second connecting rod 811 is close to the One connecting rod, 810 side is fixedly connected with 812 side of fixed link by fixture nut, and 812 other side of fixed link and headpiece 1 weld It connects and is fixed with the lower part of 13 side of bracket and is fixedly connected by fixing bolt；The mobile more shaking table bottoms of the ABS head of a bed are fixedly mounted There are four idler wheel feet 14, can carry out any direction movement, and 13 two sides of bracket are fixedly installed with support frame 2 by spherical linkage 4, It is placed on bracket 13 under slightly can firmly baroclining, when support frame 2 is holded up, pivoted housing 16, can be 18 turns by tables by rotation It between two support frames 2, is blocked by the rotation of cutting ferrule 3 of the other side, when being without the use of, rotation cutting ferrule 3 unclamps, and rotates pivoted housing 16, tables 18 are gone into 2 side of support frame and are hung vertically, backboard 17, seat plate component 12, thigh plate 5 and calf plate 11 pass through Hinge 19 is fixedly connected between headpiece 1 and bed tail plate 10, can be completed within 90 degree by hinge 19 each other The third rocking handle 81 of third rocking handle mechanism 8 is shaken in rotation, and worm screw 84 is driven to rotate, and drives Self locking gears 85 and first bevel gear 87 rotations drive the second bevel gear 88 of engagement to rotate by first bevel gear 87, are further driven to the rotation of boss 89, drive first Connecting rod 810 is reciprocating on 84 axis direction of worm screw, and second connecting rod 811 is pushed to make under the fixed function of fixed link 812 Swing arm motion drives backboard 17 around backboard 17 and seat plate group by second connecting rod 811 by the fixed sliding block of spherical linkage 4 The hinge 19 being fixedly connected between part 12 makees spinning movement, realizes the rotation of backboard 17, by rotating the first rocking handle 6, drives Bull stick 92 rotates, and worm gear 94 is driven to rotate, and is further gone up and down in 91 Vertical Channel of shell by screw rod 95 with moving slide-bar 96 Movement, so that seat plate component 12 is driven to make elevating movement, it is same to operate the second rocking handle 7, drive top spherical by elevating mechanism 9 Hinge 4 makees elevating movement, drives the hinge 19 being fixedly connected with calf plate 11 to make elevating movement, to make thigh plate 5 and shank Plate 11 forms certain angle, and three rocking handle compounding practices can make four plates form approximate seat shape, while when sufferer wants defecation When, sufferer buttocks can be slightly moved, slide plate 123 is slided by sliding slot 124 to two sides inside groove 122, it is solid below the through-hole of formation Dingan County is equipped with chamber pot, carries out defecation for sufferer.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.

Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic It is equivalently replaced.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on, It should be included within the scope of protection of this utility model.

Claims (5)

1. a kind of mobile more shaking tables of ABS head of a bed, including headpiece (1), support frame (2), cutting ferrule (3), spherical linkage (4), thigh Plate (5), the first rocking handle (6), the second rocking handle (7), third rocking handle mechanism (8), elevating mechanism (9), bed tail plate (10), calf plate (11), seat plate component (12), bracket (13), idler wheel foot (14), cross bar (15), pivoted housing (16), backboard (17), tables (18) and Hinge (19), it is characterised in that: (1) one side bottom of headpiece is fixedly connected with bracket (13) side by fixing bolt, (10) one side bottom of bed tail plate is fixedly connected with bracket (13) other side by fixing bolt, bed tail plate (10) bottom Two sides are fixedly connected by fixing bolt with idler wheel foot (14), and support frame as described above (2) bottom passes through spherical linkage (4) and bracket (13) upper surface both sides of the edge are fixedly connected, and cutting ferrule (3) inner wall is slidably mounted in the middle part of a side stand component (2) outer ring, institute It states pivoted housing (16) inner wall to be slidably mounted in the middle part of another side stand component (2) outer ring, the tables (18) and pivoted housing (16) pass through conjunction Page (19) is fixedly connected, and cross bar (15) upper surface middle part and bracket (13) are solid close to the welding of headpiece (1) side bottom surface It is fixed, it is fixedly connected by fixing bolt with cross bar (15) both ends at the top of the idler wheel foot (14), the backboard (17) is close to bed The side of tailgate (10) is fixedly connected with seat plate component (12) close to the side of headpiece (1) by hinge (19), the seat plate The other side of component (12) is fixedly connected with thigh plate (5) close to the side of headpiece (1) by hinge (19), the seat plate group Part (12) is made of seat plate (121), inside groove (122), slide plate (123) and sliding slot (124), seat plate (121) upper surface middle part Rectangular through-hole is offered, through-hole wall top two sides offer inside groove (122), at the top and bottom of the inside groove (122) It offers sliding slot (124), is slidably fitted with slide plate (123) between the sliding slot (124), thigh plate (5) other side passes through conjunction Page (19) is fixedly connected with calf plate (11) close to the side of headpiece (1), elevating mechanism (9) top and seat plate component (12) bottom surface is fixed close to the side center weldment of bed tail plate (10), and the elevating mechanism (9) is by shell (91), bull stick (92), rotary table (93), worm gear (94), screw rod (95) and slide bar (96) composition, bull stick (92) the outer ring both ends and rolling bearing Inner ring is welded and fixed, and the housing washer is welded and fixed with shell (91) through-hole wall, worm gear (94) the side center It is welded and fixed with bull stick (92) one end, the worm gear (94) is fixedly connected with screw rod (95) by engaging, and the screw rod (95) is outside Circle top is welded and fixed with rotary table (93) inner wall, and rotary table (93) outer ring is welded and fixed with slide bar (96) upper inside wall, described It is welded and fixed at the top of slide bar (96) top inner wall center and screw rod (95), slide bar (96) outer ring and shell (91) Vertical Channel Inner wall is slidably connected, and one end that the vertical upper lateral part of the first rocking handle (6) is not charged with worm gear (94) with bull stick (92) passes through spiral shell Line is fixedly connected, and the vertical upper lateral part of the second rocking handle (7) and one end that another elevating mechanism (9) are not charged with worm gear (94) are logical The connection that is screwed is crossed, elevating mechanism (9) center of top is fixed with calf plate by spherical linkage (4) and hinge (19) (11) side bottom surface is fixedly connected, the third rocking handle mechanism (8) by third rocking handle (81), shell (82), fixed station (83), Worm screw (84), Self locking gears (85), strut (86), first bevel gear (87), second bevel gear (88), boss (89), first connect Bar (810), second connecting rod (811) and fixed link (812) composition, worm screw (84) the outer ring both ends and rolling bearing inner ring weld Fixed, the housing washer is welded and fixed with shell (82) through-hole wall, the vertical upper lateral part of third rocking handle (81) It is threadably secured and connect with worm screw (84) one end, side outer ring and fixed station of the worm screw (84) close to third rocking handle (81) (83) inner wall is welded and fixed, and fixed station (83) outer ring is slidably connected with shell (82), the central side of the worm screw (84) with Self locking gears (85) are welded with strut (86), the strut by engagement connection, Self locking gears (85) bottom center (86) it is welded and fixed with rolling bearing inner ring, the housing washer and shell (82) are located at the lower section of Self locking gears (85) Inner wall is welded and fixed, and it is flat greatly that one end that the worm screw (84) is not charged with third rocking handle (81) is fixedly welded on first bevel gear (87) Face side center, the first bevel gear (87) is with second bevel gear (88) by engaging connection, the second bevel gear (88) Facet side center weldment is fixed with rotating bar, and the rotating bar other end is welded and fixed with rolling bearing inner ring, the axis of rolling Bearing outer-ring is welded and fixed with shell (82) inner wall, and described boss (89) one end is fixedly welded on the big plane one of second bevel gear (88) The lower part of side, boss (89) other end center are fixedly connected by fixture nut with first connecting rod (810) side, and described One connecting rod (810) other side is fixedly connected by fixture nut with second connecting rod (811) side, and the second connecting rod (811) is another Side is fixedly connected with a slide block by spherical linkage (4), and the sliding block is slidably mounted in the slideway in backboard (17) center, institute It states second connecting rod (811) to be fixedly connected with fixed link (812) side by fixture nut close to first connecting rod (810) side, institute It states fixed link (812) other side and passes through the fixed company of fixing bolt with the lower part that headpiece (1) is welded with bracket (13) side It connects.

2. the mobile more shaking tables of a kind of ABS head of a bed according to claim 1, it is characterised in that: the second bevel gear (88) Major diameter is twice of first bevel gear (87) major diameter.

3. the mobile more shaking tables of a kind of ABS head of a bed according to claim 1, it is characterised in that: the shell (91) is logical vertically Road inner wall, bull stick (92) outer ring and worm screw (84) outer peripheral surface are coated with lubricating oil.

4. the mobile more shaking tables of a kind of ABS head of a bed according to claim 1, it is characterised in that: the backboard (17), seat plate Component (12), thigh plate (5) and calf plate (11) splicing length are equal to the distance that headpiece (1) arrives bed tail plate (10).

5. the mobile more shaking tables of a kind of ABS head of a bed according to claim 1, it is characterised in that: seat plate component (12) bottom It is fixed below portion's through-hole that chamber pot is housed.