CN204319477U - A kind of sodica calx tank arrangement - Google Patents

Abstract

This utility model relates to a kind of sodica calx tank arrangement, and this device is arranged on anesthetic machine, comprises tank body (1) and lid (2), and tank body (1) outside is provided with at least two buckles (11); Lid (2) comprises upper cover (21), lower house (22), lifting ring (24), cam drive (3) and the draw-in groove button (23) corresponding with buckle (13) quantity and distributing position, and lower house (22) is connected to the downside of upper cover (21); Cam drive is bearing on lower house (22); Draw-in groove button (23) connects lifting ring (24) and can slide up and down to be arranged on lower house (22), and lifting ring (24) rides on cam drive; And cam drive is in transmission connection, ring (24) moves at draw-in groove button (23) clamping buckle (11), promote buckle (11) by draw-in groove button (23) and make tank body (1) fit in lid (2).Easy to operate when tank body is covered on lid, laborsavingly to save trouble, and it is good to cover face seal.

Description

A kind of sodica calx tank arrangement

Technical field

This utility model relates to anesthetic machine, particularly relates to a kind of sodica calx tank arrangement in anesthetic machine.

Background technology

For preventing using the patient of anesthetic machine to be sucked by the carbon dioxide of breathing out, generally Calx tank arrangement is set in the breathing circuit of anesthetic machine, with the carbon dioxide that patient is breathed out enter in sodica calx tank carry out corresponding chemistry and physical treatment after enter breathing circuit again.

Material require for this reason in sodica calx tank is often changed, and just needs tank body to be connected to be arranged on a lid of anesthetic machine body after each more conversion materials.

The tank body of existing sodica calx tank is generally connected on lid by spiral, and the tank body that sodica calx material is housed is all heavier, and being spun by heavy tank body with lid is more bothersome thing.In addition, depositing in Calx in tank body for a long time can constantly efflorescence, and the pulverized limestone after efflorescence can be bonded in screw connection and divide, and this is become with the bad tank body spun and is more difficult to spiral and is connected on lid.

Summary of the invention

The purpose of this utility model is to provide that a kind of energy is very convenient to be sealedly attached to heavier sodica calx tank body on the lid of anesthetic machine quickly.

For achieving the above object, this utility model provides so a kind of sodica calx tank arrangement, comprises the lid (2) that tank body (1) and seal cover are combined in described tank body upper end, and described tank body (1) outside is provided with at least two buckles (11); Described lid (2) comprises upper cover (21), lower house (22), lifting ring (24), cam drive (3) and the described draw-in groove button (23) corresponding with described buckle (11) quantity and distributing position, and described lower house (22) is connected to the downside of upper cover (21); Described cam drive (3) comprises two cam packs (32) and the rotating shaft (33) being connected this two cam pack (32), and described rotating shaft (33) is rotating to be bearing on lower house (22); Described draw-in groove button (23) connects lifting ring (24) and can slide up and down to be arranged on lower house (22), and lifting ring (24) rides on cam pack; Draw-in groove button (23) clamping buckle (11) and cam rotating band is dynamically connected, ring (24) moves, and draw-in groove button (23) and buckle (11) combine, and promotes tank body (1) and fits in lid (2).

For reducing the simple sliding friction of contact surface and possible stuck at rotation dead point, be provided with a preferred cam pack (32), this cam pack (32) comprises roller (321), roller support (322) and pivot pin (323), described pivot pin (323) be connected to roller (321) center and two supports on roller support (322).

In order to make tank body (1) better pressing be on lid (2), pressure force is made to have certain flexibility, two resilient support assemblies (324) are adopted in above-mentioned cam pack (32), be provided with corresponding roller support (322) for this reason, this roller support (322), comprise base (3221) and to be located on base 3,221 two and to exist side by side the inverse-U-shape rack (3222) placed, the spacing of two U supports is not less than the axial width of roller, and each inverse-U-shape rack inside top center is provided with first locating surface (32221) of locating for pivot pin (323).And each resilient support assemblies (324) be arranged in this roller support (322) comprises back-up block (3241), spring (3242) and locating dowel (3243), described back-up block (3241) upper end is provided with the second locating surface (32411) coordinated with described first locating surface (32221), lower end is provided with alignment pin (32412), described locating dowel (3243) is connected on described roller support (322), the lower end of spring (3242) is socketed on locating dowel (3243), back-up block (3241) is plugged on the upper end of spring (3242) by alignment pin (32412), described pivot pin (323) two ends are bearing on second locating surface (32411) of corresponding back-up block (3241) upper end respectively, the elastic force of spring (3242) makes the second locating surface fit in the first locating surface (32221), form complete pivot pin (323) locating face.

Further, described first locating surface (32221) and the second locating surface (32411) are respectively the inner arc surface (32411) suitable with pivot pin (323), and both form a complete inner headed face after fitting; Or first locating surface (32221) be plane, the second locating surface (32411) is V-arrangement face, and both form trapezoidal anchor ring after fitting.

Conveniently cam pack (32) is firmly connected in rotating shaft (33) quickly, countershaft (33) has done such design: arrange the joint face (331) parallel with axial plane in the described cam pack of connection (32) position of described rotating shaft (33), and the circle forming direction perpendicular to axial direction, joint face (331) place lacks shape cross section; Following design has been carried out to described roller support (322): arrange in described roller support (322) lower end and lack the suitable through slot of shape cross section (3221) with the circle of described rotating shaft (33), roller support (322) by this through slot (3221) socket connection in rotating shaft (33); And at least one screwed hole (3311) is set on the joint face (331) of described rotating shaft (33), arrange corresponding unthreaded hole (3221) at described roller support (322) corresponding to described screwed hole (3311) position, roller support (322) is by hole described in cross-under (3221) and at least one screw of the screwed hole that spins (3311) is fixedly connected on rotating shaft (33).

Conveniently rotating shaft (33) effortlessly, described rotating shaft (33) one end is provided with the handle set (34) that phase countershaft (33) rotates.

In order to the slip making draw-in groove button (23) that relative lower house (22) can be done by direction initialization, to one of draw-in groove button (23) preferably design be that draw-in groove button (23) is provided with the Access Division (231) of draw-in groove and is connected the guide pillar (232) of described Access Division (231).

For placing cam drive (3) and lifting ring (24) better, corresponding lower house (22) comprises circular shrouding disc (221) and is arranged on the spacer ring (222) of the annular on this shrouding disc (221) with one heart; The diametric two positions place of spacer ring (222) is provided with through groove 2221 or hole, described cam drive (3) is arranged on shrouding disc (221), and rotating shaft (33) is wherein arranged on rotationally through the described hole on described spacer ring (222) or groove in a radial position of shrouding disc (221); Described pilot hole (2211) or gathering sill are laid on shrouding disc (221), described lifting ring (24) is positioned at the upper end of pilot hole (2211) or gathering sill and rides on cam pack (32), and the guide pillar (232) of described draw-in groove button (23) connects lifting ring through pilot hole (2211) or gathering sill.

Further, the diameter of described spacer ring (222) is less than the diameter of shrouding disc (221); Described lifting ring (24) is set on spacer ring (222) outside, and described guide slots (2211) is arranged on the shrouding disc (221) in spacer ring (222) outside.

In order to make tank body (1) and lid (2) be tightly connected on faying face, further, described shrouding disc (221) lower end is provided with and the ring-shaped closed circle (223) for closed described tank body, and the lower end of this closed circle (223) is provided with environmental sealing pad.

This utility model is surveyed in the tank body periphery of sodica calx tank and is arranged buckle, and corresponding draw-in groove button is set on lid, these draw-in grooves can slide up and down by lid under being buckled in the transmission of cam drive relatively, draw-in groove groove width for clamping buckle on it is greater than buckle thickness, make both clampings very convenient, as long as tank body be placed in the below of lid and make buckle on it put substantially corresponding with the draw-in groove button bit on lid, then draw-in groove button is close to buckle just can realizes clamping; When tank body is to lid pressing, only need the rotating shaft in rotating cam drive mechanism, tank body is close to lid under the drive of draw-in groove button, period, because draw-in groove button is subject to the guide effect of pilot hole, the tank body position that former relative lid is placed roughly is corrected, and therefore tank body of the present utility model is covered on lid very save trouble and labor; In addition, the resilient support assemblies arranged in cam drive, tank body is made to be flexible to the pressure force produced during lid pressing, this makes pressure increase can not destroy tank body and lid and faying face between the two, be of value to increase pressure force, make the sealing gasket on faying face produce certain elastic deformation thus, eliminate possible gap.

Accompanying drawing explanation

Fig. 1 is the 3-D view of this utility model sodica calx tank.

Fig. 2 is the A direction view of the tank of sodica calx shown in Fig. 1.

Fig. 3 is the B-B sectional view of the tank of sodica calx shown in Fig. 2.

Fig. 4 is the explosive view of the tank of sodica calx shown in Fig. 1.

Fig. 5 is the structural representation of the lifting unit be made up of lifting ring, draw-in groove button and cam drive.

Fig. 6 is the structural representation of gathering sill.

Fig. 7 is the schematic diagram that the buckle on tank body and the draw-in groove mouth on lid exist clearance t.

The schematic diagram that Fig. 8 is pivot structure and is connected with handle set.

Fig. 9 is a kind of roller support and the structural representation connecting corresponding junction in this roller support rotating shaft.

Figure 10 has the roller support of resilient support assemblies and the structural representation connecting corresponding junction in this roller support rotating shaft.

Figure 11 is a kind of structural representation of roller support.

Figure 12 is the cross sectional representation of the joint face of rotating shaft place connecting roller support.

Detailed description of the invention

As Fig. 1-4, be sodica calx tank arrangement of the present utility model, have tank body 1 and lid 2, lid 2 seal cover is combined in the upper end of this tank body 1.Tank body 1 is the container of a placement sodium, is provided with corresponding gas channels in it, is provided with two symmetrical buckles 13 outside tank body.Lid 1 is primarily of three part compositions: upper cover 21, lifting unit and lower house 22.

Upper cover 21 is arranged on anesthetic machine body, which is provided with the air inlet 211 for being connected with the breathing circuit on anesthetic machine and gas outlet 212, and be provided with sealing ring 212 in its lower side, lower house 22 is arranged in this sealing ring 212, sealing ring 212 being contained within lower house 22 and elevating mechanism in its inner chamber formed.

As Fig. 5, elevator unit comprises lifting ring 24 and draw-in groove button 23 and cam drive 3, and lifting unit is arranged on lower house 22.Lower house 22 has a circular shrouding disc 221, the spacer ring 222 of annular is set with one heart at shrouding disc 221 upper side, and make the diameter of spacer ring 222 be less than the diameter of shrouding disc 221, form the annular side of shrouding disc 221 outside spacer ring 222, this annular side arranges two pilot holes 2211 be used for draw-in groove button motion guide, and these two pilot holes 2211 are by 180 ° of distributions.As Fig. 6, also pilot hole can be designed to the U-lag 2212 be disposed radially.

Draw-in groove button 23 has Access Division 231 and is connected to the guide pillar 232 of upper end, Access Division 231, Access Division 231 is provided with the corresponding draw-in groove 2311 coordinated with buckle 13, for the ease of quickly draw-in groove button 23 being fastened on the buckle 13 outside tank body 1, the well width of draw-in groove 2311 is greater than the thickness of buckle 13, make between draw-in groove and buckle 13, to there is clearance t, as Fig. 7.As long as tank body 1 be placed on the bottom corresponding to the lower house 22 of lid 2 like this and make buckle 13 corresponding with draw-in groove button 23 position on lid 2, as long as the draw-in groove button 23 on lid 2 to be close to the buckle 13 of tank body 1, both basic fastenings just very easily can be realized.And the guide pillar 232 of draw-in groove button 23 is connected to through pilot hole 2211 lifting ring 24 lower end be socketed on outside spacer ring 222, lifting ring 24 rides on cam pack, like this, draw-in groove button 23 is by the combination with buckle 13, when drive tank body is to lid pressing under the pushing of cam pack, original relatively tank body position that lid is placed roughly will be made under the guiding of draw-in groove button to be corrected.

Two cam packs 32 form cam drive 3 with the rotating shaft 33 being connected this two cam pack 32.Rotating shaft 33 is rotating to be bearing on lower house 22.Place for the ease of rotating shaft 33, being provided with at spacer ring 222 1 diametric two positions place can straight line is through mutually groove 2221, groove 2221 is the groove of the U-shaped breach offered from spacer ring 222 upper side edge, can install rotating shaft 33 efficiently and easily like this, rotating shaft 33 is arranged in a diametrical position of lower house 22 through groove 2221 described in two.Through groove 2221 also can be set to corresponding through hole, considering, preferentially selecting the groove 2221 of described U-shaped breach from being convenient to setting angle.

As Fig. 8, for rotating conveniently, rotating shaft 33 one end is rotationally connected handle set 34, and the general manually operating grip seat 34 of rotation of rotating shaft 33 realizes.This handle set 34 pivot center is perpendicular to the axis of rotating shaft 33, make handle set 34 can do 90 ° folding, the basic center of handle set 34 is provided with a rectangular opening 341, this rectangular opening 341 serves as the handle (not shown) that cooperation one is provided with the suitable rectangle tenon with this rectangular opening, this handle is connected on handle set 34 by being inserted in the rectangular opening of handle set 34 by its rectangle tenon, like this can rotating shaft 33 more easily.

Rotating shaft 33 is rotated and makes cam pack 32 do the rotation of coaxial line, the lifting ring 24 relying on cam pack 32 does corresponding moving up and down with the change of cam pack 32 radius of gyration contacted with it, and 23, the draw-in groove button being connected to lifting ring 24 lower end does vertical moving up and down under pilot hole 2211 retrains.If draw-in groove button 23 moves upward, draw-in groove button 23 is by by pressing to tank body 1 on lid 2 with the combination of buckle 13.

Cam pack 32 can be an eccentric cam (not shown), is simple sliding frictions like this with the contact of the lifting ring 24 relied on it.As Fig. 9, one can reduce friction and anti-jamming preferred version be that cam pack 32 is the assembly comprising roller 321, roller support 322 and pivot pin 323, and roller 321 is rotationally connected on pivot pin 323, and pivot pin 323 two supports is on roller support 322.Such cam pack 32 carries out the contact of substantially rolling by a roller 321 and lifting ring 24, because rolling friction is much smaller than sliding friction, the cam pack structure shown in Fig. 9 except can reducing friction, also by the generation of the rolling minimizing stuck phenomenon of roller.

In order to make tank body 1 tight with lid 2 pressing, a preferred scheme adopts resilient support assemblies 324, makes pivot pin 323 two supports of supporting rollern 321 in resilient support assemblies 324.As Figure 10, corresponding to the roller support 322 of resilient support assemblies 324, with the roller support profile basic simlarity shown in Fig. 8, there is base 3221, this base be provided with two exist side by side place inverse-U-shape rack 3222, the spacing of two U-shaped supports is not less than the thickness of roller axis direction, to place roller 321 between two U-shaped supports.With roller support shown in Fig. 9 unlike, be provided with the incomplete locating surface for locating with pivot pin 323 in each inverse-U-shape rack inside top center: the first locating surface 32221, this first locating surface 32221 is the inner arc surface suitable with pivot pin 323.

Resilient support assemblies 324 is primarily of back-up block 3241, spring 3242 and locating dowel 3243 form, back-up block 3241 is basic cuboid, its upper end is provided with the second locating surface 32411 coordinated with described first locating surface 32221, this second locating surface 32411 is also the inner arc surface suitable with pivot pin 323, back-up block 3241 lower end is provided with protruding Cylindrical locating pins 32412, locating dowel 324 is connected on roller support 322 by close-fitting mode or screw joining manner, the lower end of spring 324 is socketed on locating dowel 3243, and make it locate on roller support 322, back-up block 3241 is plugged on the upper end of spring 3242 by alignment pin 32412, the elastic force of spring 3242 makes the second locating surface 32411 fit in the first locating surface 32221 and forms complete pivot pin 323 locating face, be a complete inner headed face, to carry out circumference constraint to pivot pin 323.The elastic force of spring 3242 also makes roller 321 position can resilient movement, pressure force between such tank body 1 and lid 2 is a kind of pliable pressure, impact can not be formed, thus make imposed on pressure force can be larger, under larger pressure force effect, the sealing gasket of the two junction produces elastic deformation, can eliminate between tank body 1 and lid 2 and may there is gap.

The first above-mentioned locating surface 32221 and the setting of the second locating surface 32411 are not limited to described inner arc surface, and as Figure 11, such as, the first locating surface 32221 can be designed to a plane, the second locating surface 32411 is V-arrangement face, and both form trapezoidal anchor ring after fitting.

In order to install the cam pack 32 as shown in Fig. 9,10 in rotating shaft 33, have employed and connect the cam pack 32 position setting joint face 331 parallel with axial plane in rotating shaft 33, the circle forming direction perpendicular to axial direction, joint face 331 place lacks shape cross section, as Figure 12.Corresponding, roller support 322 lower end in the cam pack 32 such as shown in Fig. 9,10, namely base 3221 lower end arranges and lacks the suitable through slot of shape cross section 32211 with the circle of rotating shaft 33, roller support 322 in rotating shaft 33, only needs a junction point between such roller support 322 and rotating shaft 33 by this through slot 3221 socket connection.For this reason, the joint face 331 of rotating shaft 33 arranges a screwed hole 3311, arrange unthreaded hole 32212 at the correspondence position of the base 3221 of roller support, screw is rotatably connected in screwed hole 3311 through unthreaded hole 32212, just roller support 322 very firmly can be connected in rotating shaft 33.This makes roller support 322 not only firm but also quick with the connection of rotating shaft.

Claims (13)

1. a sodica calx tank arrangement, is arranged on anesthetic machine, comprises the lid (2) that tank body (1) and seal cover are combined in described tank body upper end, it is characterized in that: described tank body (1) outside is provided with at least two buckles (11); Described lid (2) comprises upper cover (21), lower house (22), lifting ring (24), cam drive (3) and the described draw-in groove button (23) corresponding with described buckle (11) quantity and distributing position, and described lower house (22) is connected to the downside of upper cover (21); Described cam drive (3) comprises two cam packs (32) and the rotating shaft (33) being connected this two cam pack (32), and described rotating shaft (33) is rotating to be bearing on lower house (22); Described draw-in groove button (23) connects lifting ring (24) and can slide up and down to be arranged on lower house (22), and lifting ring (24) rides on cam pack; Draw-in groove button (23) clamping buckle (11) and cam rotating band is dynamically connected, ring (24) moves, and by the combination of draw-in groove button (23) and buckle (21), promotes tank body (1) and fits in lid (2).

2. a kind of sodica calx tank arrangement according to claim 1, it is characterized in that described cam pack (32) comprises roller (321), roller support (322) and pivot pin (323), described pivot pin (323) be connected to roller (321) center and two supports on roller support (322).

3. a kind of sodica calx tank arrangement according to claim 2, it is characterized in that: described roller support (322) comprises base (3221) and to be located on base 3,221 two exists side by side the inverse-U-shape rack (3222) placed, the spacing of two U supports is not less than the axial width of roller, and each inverse-U-shape rack inside top center is provided with first locating surface (32221) of locating for pivot pin (323).

4. a kind of sodica calx tank arrangement according to claim 3, it is characterized in that: described cam pack (32) also comprises two resilient support assemblies (324), each resilient support assemblies (324) comprises back-up block (3241), spring (3242) and locating dowel (3243), described back-up block (3241) upper end is provided with the second locating surface (32411) coordinated with described first locating surface (32221), lower end is provided with alignment pin (32412), described locating dowel (3243) is connected on described roller support (322), the lower end of spring (3242) is socketed on locating dowel (3243), back-up block (3241) is plugged on the upper end of spring (3242) by alignment pin (32412), described pivot pin (323) two ends are bearing on second locating surface (32411) of corresponding back-up block (3241) upper end respectively, the elastic force of spring (3242) makes the second locating surface fit in the first locating surface (32221), form complete pivot pin (323) locating face.

5. a kind of sodica calx tank arrangement according to claim 4, it is characterized in that: described first locating surface (32221) and the second locating surface (32411) are respectively the inner arc surface (32411) suitable with pivot pin (323), both form a complete inner headed face after fitting; Or first locating surface (32221) be plane, the second locating surface (32411) is V-arrangement face, and both form trapezoidal anchor ring after fitting.

6. a kind of sodica calx tank arrangement according to any one of claim 1-5, it is characterized in that: the described cam pack of connection (32) position of described rotating shaft (33) is provided with the joint face (331) parallel with axial plane, the circle forming direction perpendicular to axial direction, joint face (331) place lacks shape cross section.

7. a kind of sodica calx tank arrangement according to claim 6, it is characterized in that: described roller support (322) lower end is provided with and lacks the suitable through slot of shape cross section (3221) with the circle of described rotating shaft (33), roller support (322) by this through slot (3221) socket connection in rotating shaft (33).

8. a kind of sodica calx tank arrangement according to claim 7, it is characterized in that: the joint face (331) of described rotating shaft (33) is provided with at least one screwed hole (3311), described roller support (322) is provided with corresponding unthreaded hole (3221) corresponding to described screwed hole (3311) position, and roller support (322) is by hole described in cross-under (3221) and at least one screw of the screwed hole that spins (3311) is fixedly connected on rotating shaft (33).

9. a kind of sodica calx tank arrangement according to claim 6, is characterized in that: described rotating shaft (33) one end is provided with the handle set (34) that phase countershaft (33) rotates.

10. a kind of sodica calx tank arrangement according to claim 6, is characterized in that: described draw-in groove button (23) comprises the Access Division (232) being provided with draw-in groove and the guide pillar (231) being connected described Access Division (231).

11. a kind of sodica calx tank arrangements according to claim 10, is characterized in that: described lower house (22) comprises circular shrouding disc (221) and is arranged on the spacer ring (222) of the annular on this shrouding disc (221) with one heart; The diametric two positions place of spacer ring (222) is provided with through groove 2221 or hole, described cam drive (3) is arranged on shrouding disc (221), and rotating shaft (33) is wherein arranged on rotationally through the described hole on described spacer ring (222) or groove in a radial position of shrouding disc (221); Described pilot hole (2211) or gathering sill are laid on shrouding disc (221), described lifting ring (24) is positioned at the upper end of pilot hole (2211) or gathering sill and rides on cam pack (32), and the guide pillar (232) of described draw-in groove button (23) connects lifting ring through pilot hole (2211) or gathering sill.

12. a kind of sodica calx tank arrangements according to claim 11, is characterized in that: the diameter of described spacer ring (222) is less than the diameter of shrouding disc (221); Described lifting ring (24) is set on spacer ring (222) outside, and described pilot hole (2211) or gathering sill are laid on the shrouding disc (221) in spacer ring (222) outside.

13. a kind of sodica calx tank arrangements according to claim 11, is characterized in that: described shrouding disc (221) lower end is provided with and the ring-shaped closed circle (223) for closed described tank body, and the lower end of this closed circle (223) is provided with environmental sealing pad.