CN220608758U - Liquid tank and waste liquid collecting device - Google Patents

Abstract

The utility model discloses a liquid tank and a waste liquid collecting device, wherein the liquid tank comprises a tank body, a tank cover and a tank bottom, the tank body is made of glass, the tank body is connected with the tank cover through a first connecting component, the first connecting component comprises a first limiting fixing piece, a second limiting fixing piece and a pressing piece, the first limiting fixing piece is fixedly arranged, the first limiting fixing piece and the second limiting fixing piece are buckled and connected to form a sleeve sleeved on the outer side of the tank body, the pressing piece is abutted against the tank cover, the tank cover is clamped between the pressing piece and the tank body, and the pressing piece is fixedly connected to the first limiting fixing piece and/or the second limiting fixing piece. In this fluid reservoir and waste liquid collection device, the jar body adopts the glass material, and antifouling effect is better and be convenient for wash, simultaneously through the setting of first coupling assembling, can realize the sealed fixed of jar body and cover, and be convenient for open and close the cover, can not influence other devices on the cover to the processing of the jar body need not the mould, can effectively reduce the cost of manufacture of the jar body.

Description

Liquid tank and waste liquid collecting device

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a liquid tank and a waste liquid collecting device.

Background

In some surgical procedures, liquid, semi-solid, and solid waste types are inevitably produced, such as human fluids like blood, irrigation solutions introduced to the surgical site during the surgical procedure, fragments of human tissue, small pieces of surgical material, and the like, as well as solid and semi-solid waste materials produced during the surgical procedure. The waste materials need to be collected by a negative pressure suction system to avoid contaminating the surgical site and also to avoid being a biohazard to the operating room or other site where the surgical procedure is performed. The negative pressure aspiration system aspirates waste into the collection container through tubing that is in contact with the surgical site.

Referring to fig. 1, a waste collection device 1 includes a mobile unit 11, a vacuum source 12, a consumable cassette 14, and a waste collection canister 13, and a conduit 15 for contacting a surgical site is connected to the waste collection canister 13 by the removable consumable cassette 14. The waste collection tank 13 includes a tank body and a tank cover. In the use process, the consumable in the disposable consumable box 14 is directly discarded without disinfection, but the waste collection tank 13 is required to be cleaned and disinfected, and the tank cover is opened during cleaning. However, at present, the waste collection tank 13 is a plastic tank body, is easy to adhere to blood, dirt and oil stains, is not cleaned, causes pollution in the tank, and needs high-frequency tank opening cleaning; meanwhile, a detachable structure of the hoop is generally adopted between the tank cover and the tank body, the structure only has a good fixing and sealing effect on the plastic tank body, and the tolerance requirement of the product is high.

Disclosure of Invention

In order to overcome the defects and shortcomings in the prior art, the utility model aims to provide a liquid tank convenient to clean and a waste liquid collecting device.

The aim of the utility model is achieved by the following technical scheme: the utility model provides a liquid tank which comprises a tank body, a tank cover and a tank bottom, wherein the tank cover and the tank bottom are respectively connected to a first end and a second end which are opposite to each other of the tank body, the tank body is made of glass, the tank body and the tank cover are connected through a first connecting component, the first connecting component comprises a first limiting fixing piece, a second limiting fixing piece and a pressing piece, the first limiting fixing piece is fixedly arranged, the first limiting fixing piece and the second limiting fixing piece are buckled and connected to form a sleeve sleeved on the outer side of the tank body, the pressing piece is abutted to the tank cover, the tank cover is clamped between the pressing piece and the tank body, and the pressing piece is fixedly connected to the first limiting fixing piece and/or the second limiting fixing piece.

In one embodiment, a first sealing element is arranged between the end surfaces of the tank body and the tank cover.

In one embodiment, the first end of the tank body is provided with a first flange, one side of the tank cover, facing the tank body, is provided with a tank cover flange, the tank cover flange is provided with a containing groove, the first sealing element is contained in the containing groove, and one side of the first sealing element is abutted to the end face of the first flange of the tank body.

In one embodiment, the edge of the can lid flange of the can lid is provided with a convex edge, and the convex edge is bent towards one side of the can body so as to cover the outer side of the first flange.

In one embodiment, the tank cover is provided with a positioning part; the pressing piece is provided with a positioning groove, the positioning groove is correspondingly arranged with the positioning part of the tank cover, and the positioning part is accommodated in the positioning groove.

In one embodiment, the first limiting fixing piece comprises a connecting portion, a first fixing hole and a positioning hole are formed in the connecting portion, the connecting portion is fixedly connected to the trolley support through the first fixing hole, and is matched and connected with a positioning pin of the trolley support through the positioning hole, the first limiting fixing piece comprises a semicircular buckling portion, a second fixing hole is formed in the first limiting fixing piece, a first matching portion is further arranged on the first limiting fixing piece, a semicircular buckling portion is arranged on the second limiting fixing piece, a third fixing hole is formed in the second limiting fixing piece, a second matching portion connected with the first matching portion is further arranged on the second limiting fixing piece, the first limiting fixing piece is fixedly connected to the pressing piece through the second fixing hole, and the second limiting fixing piece is fixedly connected to the pressing piece through the third fixing hole.

In one embodiment, the first limiting fixing piece and the second limiting fixing piece are respectively provided with two buckling parts, and the first limiting fixing piece and the second limiting fixing piece are connected to form two containing holes so as to respectively place two tank bodies.

In one embodiment, a shock-absorbing layer is disposed between the inner wall of the first connecting component and the outer wall of the tank body.

In one embodiment, the liquid tank further comprises a second connecting component, the second connecting component is connected with the tank body and the tank bottom, the second connecting component comprises a first limiting fastener and a second limiting fastener, the first limiting fastener and the second limiting fastener are buckled and connected to form a sleeve which is arranged on the outer side of the tank body in a sleeved mode, and the first limiting fastener and/or the second limiting fastener are/is fixedly connected to the tank bottom, and the tank bottom is communicated with the inner cavity of the tank body.

In one embodiment, the first limiting fastener comprises a semicircular buckling part, a fifth fixing hole and a third matching part are formed in the first limiting fastener, a first matching hole is formed in the third matching part, the second limiting fastener comprises a semicircular buckling part, a sixth fixing hole and a fourth matching part are formed in the second limiting fastener, a second matching hole is formed in the fourth matching part, the third matching part is overlapped with the fourth matching part, and the first limiting fastener and the second limiting fastener are fixedly connected through locking parts penetrating through the first matching hole and the second matching hole and being locked.

In one embodiment, the number of the second connecting components is two, and the two second connecting components are respectively connected with the two tank bodies and the two tank bottoms.

In one embodiment, the second connecting assembly further comprises a second sealing member, the top of the tank bottom is provided with a clamping groove, the second sealing member is accommodated in the clamping groove, and one side of the second sealing member abuts against the end face of the second end of the tank body.

In one embodiment, the can bottom is made of glass, and the can body and the can bottom are integrally formed.

The utility model also provides a waste liquid collecting device which comprises a trolley base, a trolley support and the liquid tank, wherein the trolley support is fixed on the trolley base, and the first limiting fixing piece and the tank bottom of the liquid tank are fixedly connected with the trolley support.

The utility model has the beneficial effects that: according to the liquid tank and the waste liquid collecting device, the tank body is made of glass, the anti-fouling effect is good, cleaning is convenient, and through the arrangement of the first connecting component, even if the tank body made of glass is inconvenient to seal and fix with the tank cover due to the processing technology, the sealing and fixing of the tank body and the tank cover can still be realized, the tank cover is convenient to open and close, other devices on the tank cover cannot be influenced, the processing of the tank body does not need a die, and the manufacturing cost of the tank body can be effectively reduced.

Drawings

Fig. 1 is a waste collection device.

Fig. 2 is an exploded view of a liquid tank according to an embodiment of the present utility model.

Fig. 3 is a schematic perspective view of the liquid tank shown in fig. 2.

Fig. 4 is a front view of the tank shown in fig. 2.

Fig. 5 is a schematic cross-sectional view taken along line A-A of fig. 4.

Fig. 6 is an enlarged partial schematic view at I in fig. 5.

Fig. 7 is a schematic structural view of a first limit fixture and a second limit fixture of the liquid tank shown in fig. 2.

Fig. 8 is a schematic view of the structure of the tablet of the liquid tank in fig. 2.

Fig. 9 is a partially enlarged schematic view of fig. 5 at II.

Fig. 10 is a schematic view of an angle of the tank bottom of the tank of fig. 2.

Fig. 11 is another angular schematic view of the tank bottom of the tank of fig. 2.

Fig. 12 and 13 are schematic structural views of a liquid tank according to another embodiment of the present utility model.

FIG. 14 is a schematic view showing a structure of a waste liquid collecting apparatus according to an embodiment of the present utility model.

FIG. 15 is another angular schematic view of the waste collection device of FIG. 14.

Detailed Description

In order to further describe the technical means and effects adopted by the utility model to achieve the preset aim, the following detailed description is given below of the specific implementation, structure, characteristics and effects of the display panel and the liquid tank according to the utility model by combining the accompanying drawings and the preferred embodiment:

as shown in fig. 2 to 4, the liquid tank 10 of the present embodiment includes a tank body 11, a tank cover 13, and a tank bottom 15, and the tank cover 13 and the tank bottom 15 are connected to opposite first and second ends of the tank body 11, respectively. The tank 11 is made of glass. The can 11 and the can lid 13 are connected by a first connection assembly 17. The first connecting assembly 17 comprises a first limiting fixing piece 171, a second limiting fixing piece 172 and a pressing piece 174, the first limiting fixing piece 171 is fixedly arranged, the first limiting fixing piece 171 and the second limiting fixing piece 172 are buckled and connected to form a sleeve sleeved on the outer side of the tank body 11, the pressing piece 174 is abutted to the tank cover 13, the tank cover 13 is clamped between the pressing piece 174 and the tank body 11, and the pressing piece 174 is fixedly connected to the first limiting fixing piece 171 and/or the second limiting fixing piece 172.

The fluid reservoir of this embodiment, jar body adopt the glass material, and antifouling effect is better and be convenient for wash, simultaneously through the setting of first coupling assembling, even the jar body of glass material is inconvenient because processing technology reason is sealed fixed with the cover, still can realize the sealed fixed of jar body and cover, and be convenient for open and close the cover, can not influence other devices on the cover to the processing of the jar body need not the mould, can effectively reduce the cost of manufacture of the jar body.

In this embodiment, a first seal 19 is provided between the end surfaces of the can 11 and the can lid 13. The bottom of the can lid 13 is provided with a receiving groove 131 (see fig. 6), the first seal 19 is received in the receiving groove 131, and one side of the first seal 19 abuts against the end face of the first end of the can 11. By providing the first sealing member 19 between the can 11 and the can lid 13, on the one hand, the sealing effect between the can 11 and the can lid 13 can be ensured, and on the other hand, breakage of the glass can 11 due to inconsistency in thermal expansion coefficient with the can lid 13 can be effectively avoided. Generally, the can lid 13 may be made of plastic or acrylic.

In this embodiment, the tank 11 may be cylindrical and include a cavity 110 for containing waste liquid. The first end of the tank 11 is provided with a first flange 111, one side of the tank cover 13 facing the tank 11 is provided with a tank cover flange 133, the first sealing element 19 is positioned between the first flange 111 and the tank cover flange 133, and the accommodating groove 131 is formed in the tank cover flange 133.

Specifically, the second end of the tank 11 is provided with a second flange 113.

In this embodiment, the can lid 13 is provided with a positioning portion 135. The tank cover 13 is also provided with other components and structures such as a liquid level sensor, and the liquid level sensor is inserted into the liquid tank 10 from the tank cover 13 and extends into the bottom of the tank body 11.

Specifically, the tank cover 13 is provided with a liquid inlet for receiving surgical waste liquid.

Specifically, referring to fig. 5 and 6, the edge of the can lid flange 133 of the can lid 13 is provided with a flange 1332, and the flange 1332 is bent towards the can body 11 to cover the outer side of the first flange 111. By providing the flange 1332, the sealing effect between the can body 11 and the can lid 13 can be further enhanced.

In this embodiment, the first limiting fixing member 171 of the first connecting assembly 17 is fixedly connected to the trolley support of the waste liquid collecting device, so as to realize a fixed arrangement. Referring to fig. 2 and fig. 7 together, the first limiting fixing member 171 includes a connecting portion 1711, the connecting portion 1711 is located at one side of the first limiting fixing member 171, a first fixing hole 1713 and a positioning hole 1715 are formed in the connecting portion 1711, and the connecting portion 1711 is fixedly connected to the trolley bracket through the first fixing hole 1713 and is coupled to the positioning pin of the trolley bracket through the positioning hole 1715. The first limiting fixing member 171 includes a semicircular buckling portion, and in this embodiment, the first limiting fixing member 171 includes two buckling portions connected to each other. The first limiting fixing member 171 is provided with a second fixing hole 1717. The first limiting fixing member 171 is further provided with a first mating portion 1719 connected to the second limiting fixing member 172, and specifically, the first mating portion 1719 may be a stud.

Specifically, the second limiting fixing member 172 includes a semicircular fastening portion, and in this embodiment, the second limiting fixing member 172 includes two fastening portions connected to each other. The second limiting fixing member 172 is provided with a third fixing hole 1721. The second limiting fixing member 172 is further provided with a second mating portion 1723 connected to the first limiting fixing member 171, and specifically, the second mating portion 1723 may be a connecting hole. When the first limiting fixing piece 171 and the second limiting fixing piece 172 are connected, the stud is threaded through the connecting hole, and then screwed into the stud through the nut, so that fixed connection is achieved. Two buckling parts are respectively arranged on the first limiting fixing piece 171 and the second limiting fixing piece 172, and two containing holes can be formed when the first limiting fixing piece 171 and the second limiting fixing piece 172 are connected so as to respectively place the two tank bodies 11. Of course, the first limiting fixing member 171 and the second limiting fixing member 172 may have only one engaging portion and only one receiving hole, and correspondingly only one can 11 may be placed. The number of the engaging portions is not limited herein. It will be appreciated that the connection manner of the first limiting fixing member 171 and the second limiting fixing member 172 may be other, which is not limited herein.

Specifically, the end of the first limiting fixing member 171 near the second limiting fixing member 171 forms a box-shaped arm 176, and the first fitting portion 1719 is provided on the arm 176. Specifically, the first limiting fixing member 171 includes a first flat plate portion and a first sleeve portion extending toward one side of the first flat plate portion along an edge of the receiving hole, and the second fixing hole 1717 is opened in the first flat plate portion. Specifically, the second limiting fixing member 172 includes a second flat plate portion and a second sleeve portion, the second sleeve portion extends toward one side of the second flat plate portion along an edge of the receiving hole, and the third fixing hole 1721 is opened in the second flat plate portion. The tank 11 is sleeved in a cavity formed by buckling the first sleeve part and the second sleeve part.

Specifically, the inner sides of the first limiting fixing member 171 and the second limiting fixing member 172 (i.e., the inner walls of the first sleeve portion and the second sleeve portion) are provided with a shock-absorbing layer 177, and the shock-absorbing layer 177 is located between the inner wall of the first connecting assembly 17 and the outer wall of the tank 11, so that the tank 11 forms shock absorption with the first limiting fixing member 171 and the second limiting fixing member 172. The shock absorbing layer 177 can be made of silica gel, sponge, etc. It can be appreciated that the shock absorbing layer 177 can be disposed on the whole inner side wall of the accommodating hole formed by the buckling of the first limiting fixing member 171 and the second limiting fixing member 172, or can be disposed on the inner side wall of the accommodating hole at intervals.

Specifically, referring to fig. 8, the pressing piece 174 may be annular. The pressing sheet 174 is provided with a fourth fixing hole 1741, and the locking member 175 can be inserted into the fourth fixing hole 1741 and the second fixing hole 1717, and the fourth fixing hole 1741 and the third fixing hole 1721 to fixedly connect the pressing sheet 171 with the first limiting fixing member 171 and the second limiting fixing member 172. Specifically, the locking member 175 may be a claw screw.

Specifically, the pressing piece 174 includes a protrusion 1743, and a fourth fixing hole 1741 is formed on the protrusion 1743. Specifically, the number of the protrusions 1743 may be four, and the four protrusions 1743 may be uniformly spaced apart along the circumference of the compression plate 174.

Specifically, the inner side of the pressing piece 174 is further provided with a positioning groove 1745, the positioning groove 1745 is correspondingly arranged with the positioning part 135 of the can cover 13, and the positioning part 135 is accommodated in the positioning groove 1745 to position the pressing piece 174 and the can cover 13.

In this embodiment, referring to fig. 2 and 9, the liquid tank 10 further includes a second connecting assembly 21, and the second connecting assembly 21 connects the tank 11 and the tank bottom 15. The second connecting component 21 comprises a first limiting fastener 211 and a second limiting fastener 212, the first limiting fastener 211 and the second limiting fastener 212 are buckled and connected to form a sleeve sleeved on the outer side of the tank body 11, the first limiting fastener 211 and/or the second limiting fastener 212 are fixedly connected to the tank bottom 15, and the tank bottom 15 is communicated with the inner cavity of the tank body 11. Specifically, the first limiting fastening member 211 includes a semicircular fastening portion, and a fifth fixing hole 2111 and a third mating portion 2113 are provided on the first limiting fastening member 211. Specifically, the third fitting portion 2113 is provided with a first fitting hole. The second limiting fastener 212 includes a semicircular fastening portion, and a sixth fixing hole 2121 and a fourth mating portion 2123 are disposed on the second limiting fastener 212. Specifically, the fourth fitting portion 2123 is provided with a second fitting hole. The third mating portion 2113 and the fourth mating portion 2123 overlap, and the first limiting fastening member 211 and the second limiting fastening member 212 are fixedly connected by passing the locking member through the first mating hole and the second mating hole and locking. Is fixedly connected to the can bottom 15 through the fifth fixing hole 2111 and the sixth fixing hole 2121. It can be appreciated that the first limiting fixing member 171 and the second limiting fixing member 172 may also adopt the same connection structure as the first limiting fastening member 211 and the second limiting fastening member 212, and the first limiting fastening member 211 and the second limiting fastening member 212 may also adopt the same connection structure as the first limiting fixing member 171 and the second limiting fixing member 172. The tank bottom 15 with a complex structure can be conveniently processed by adopting materials such as plastics and the like in a connecting mode of connecting the tank body 11 and the tank bottom 15 through the second connecting component 21, and the processing technology is simpler.

Specifically, the number of the second connecting assemblies 21 is two, and the two second connecting assemblies 21 are respectively connected with the two tank bodies 11 and the two tank bottoms 15.

In this embodiment, the second connecting component 21 further includes a second sealing member 214, the top of the can bottom 15 is provided with a clamping groove 151, the second sealing member 214 is accommodated in the clamping groove 151, and one side of the second sealing member 21 abuts against the end face of the second end of the can 11. By providing the second sealing member 214 between the can 11 and the can bottom 15, on the one hand, the sealing effect between the can 11 and the can bottom 15 can be ensured, and on the other hand, breakage of the glass can 11 due to inconsistency in the thermal expansion coefficient with the can bottom 15 can be effectively avoided. Generally, the can bottom 15 is made of plastic, acrylic or the like. Specifically, the second end of the can 11 is received in the catch 151. More specifically, the second flange 113 of the can 11 is at least partially received in the clamping groove 151.

In this embodiment, referring to fig. 10 and 11, the bottom 152 of the can bottom 15 is tapered, and a drain port 153 is formed in the bottom of the can bottom 15. The level sensor extends from the tank cover 13 to a level sensor locating aperture 157 in the tank bottom 15. Specifically, the outer bottom of the tank bottom 15 is convexly provided with a connecting seat 155 to be inserted into the insertion hole of the trolley base.

Referring to fig. 12 and 13, the can 11 and the can bottom 15 of the other embodiment of the present utility model are made of glass, and are integrally formed, so that the second connecting component 21 can be omitted.

The utility model also provides a waste liquid collecting device, referring to fig. 14 and 15, the waste liquid collecting device of the present embodiment includes a trolley base 31, a trolley bracket 33, and any one of the liquid tanks 10. The carriage support 33 is fixed to the carriage base 31, and the first limit fixing member 171 of the liquid tank 10 and the tank bottom 15 are fixedly connected to the carriage support 33.

In this embodiment, waste liquid collection device still includes consumptive material box 35 and mount pad 37, and consumptive material box 35 installs in mount pad 37, and the bottom connecting tube of mount pad 37, pipeline and the income liquid mouth of cover 13 are connected, installs the connecting pipe on the consumptive material box 35 to provide the negative pressure in order to draw the operation liquid of operation position into the fluid reservoir through the connecting pipe for the fluid reservoir.

In this embodiment, the trolley support 33 is provided with a fixing plate 332, and the tank bottom 15 is fixedly connected to the fixing plate 332.

In this embodiment, the waste liquid collecting device further includes a travelling mechanism 39, and the travelling mechanism 39 is disposed at the bottom of the trolley base 31, so as to conveniently drive the whole waste liquid collecting device to move. The running gear 39 may comprise a plurality of rollers.

It is to be understood that the structures or structural features referred to in the above embodiments may be arbitrarily stacked without conflict.

In this document, unless specifically stated and limited otherwise, the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly coupled, detachably coupled, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms described above will be understood to those of ordinary skill in the art in a specific context.

In this document, the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "vertical", "horizontal", etc. refer to the directions or positional relationships based on those shown in the drawings, and are merely for clarity and convenience of description of the expression technical solution, and thus should not be construed as limiting the present utility model.

In this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a list of elements is included, and may include other elements not expressly listed.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims (14)

1. The utility model provides a fluid reservoir, its characterized in that includes jar body (11), cover (13) and tank bottom (15), cover (13) with tank bottom (15) connect respectively in the relative first end and the second end of jar body (11), jar body (11) are the glass material, jar body (11) with cover (13) are connected through first coupling assembling (17), first coupling assembling (17) include first spacing mounting (171), second spacing mounting (172) and preforming (174), first spacing mounting (171) are fixed to be set up, first spacing mounting (171) with second spacing mounting (172) lock are connected and are formed the sleeve of locating the jar body (11) outside, preforming (174) butt cover (13), make cover (13) clamp locate preforming (174) with between jar body (11), preforming (174) fixed connection in first spacing mounting (171) and second spacing mounting (172).

2. A tank according to claim 1, characterized in that a first seal (19) is provided between the end surfaces of the tank body (11) and the tank cover (13).

3. The liquid tank according to claim 2, characterized in that a first end of the tank body (11) is provided with a first flange (111), one side of the tank cover (13) facing the tank body (11) is provided with a tank cover flange (133), the tank cover flange (133) is provided with a containing groove (131), the first sealing element (19) is contained in the containing groove (131), and one side of the first sealing element (19) abuts against an end face of the first flange (111) of the tank body (11).

4. A tank according to claim 3, characterized in that the edge of the tank cover flange (133) of the tank cover (13) is provided with a bead (1332), and the bead (1332) is bent towards the tank body (11) side so as to cover the outer side of the first flange (111).

5. A tank according to claim 1, characterized in that the tank cover (13) is provided with a positioning part (135); the pressing piece (174) is provided with a positioning groove (1745), the positioning groove (1745) is arranged corresponding to the positioning part (135) of the tank cover (13), and the positioning part (135) is accommodated in the positioning groove (1745).

6. The liquid tank according to claim 1, wherein the first limiting fixing member (171) comprises a connecting portion (1711), a first fixing hole (1713) and a positioning hole (1715) are formed in the connecting portion (1711), the connecting portion (1711) is fixedly connected to the trolley support through the first fixing hole (1713), and is connected with a positioning pin of the trolley support through the positioning hole (1715), the first limiting fixing member (171) comprises a semicircular buckling portion, a second fixing hole (1717) is formed in the first limiting fixing member (171), a first matching portion (1719) is further formed in the first limiting fixing member (171), a semicircular buckling portion is formed in the second limiting fixing member (172), a third fixing hole (1721) is formed in the second limiting fixing member (172), a second matching portion (1723) connected with the first matching portion (1719) is further formed in the second limiting fixing member (172), and the second limiting fixing member (172) is connected to the second limiting fixing member (172) through the second limiting fixing member (172), and the first limiting fixing member (172) is connected to the second limiting fixing member (174).

7. The liquid tank according to claim 6, wherein the first limiting fixing member (171) and the second limiting fixing member (172) are respectively provided with two buckling parts, and the first limiting fixing member (171) and the second limiting fixing member (172) are connected to form two accommodating holes for respectively placing the two tank bodies (11).

8. A tank according to claim 1, characterized in that a damping layer (177) is provided between the inner wall of the first connection assembly (17) and the outer wall of the tank body (11).

9. The liquid tank according to claim 1, wherein the liquid tank (10) further comprises a second connecting component (21), the second connecting component (21) connects the tank body (11) with the tank bottom (15), the second connecting component (21) comprises a first limit fastener (211) and a second limit fastener (212), the first limit fastener (211) and the second limit fastener (212) are buckled and connected to form a sleeve arranged on the outer side of the tank body (11), the first limit fastener (211) and/or the second limit fastener (212) are fixedly connected to the tank bottom (15), and the tank bottom (15) is communicated with the inner cavity of the tank body (11).

10. The liquid tank according to claim 9, wherein the first limiting fastener (211) comprises a semicircular fastening part, a fifth fixing hole (2111) and a third matching part (2113) are formed in the first limiting fastener (211), a first matching hole is formed in the third matching part (2113), the second limiting fastener (212) comprises a semicircular fastening part, a sixth fixing hole (2121) and a fourth matching part (2123) are formed in the second limiting fastener (212), a second matching hole is formed in the fourth matching part (2123), the third matching part (2113) and the fourth matching part (2123) are overlapped, and the first limiting fastener (211) and the second limiting fastener (212) are fixedly connected through the locking accessory penetrating through the first matching hole and the second matching hole and being fixedly connected to the tank bottom (15) through the fifth fixing hole (2111) and the sixth fixing hole (2121).

11. A tank according to claim 9, characterized in that said second connection assemblies (21) are two, two of said second connection assemblies (21) respectively connecting two of said tank bodies (11) with two of said tank bottoms (15).

12. The liquid tank according to claim 9, wherein the second connecting assembly (21) further comprises a second sealing member (214), a clamping groove (151) is formed in the top of the tank bottom (15), the second sealing member (214) is accommodated in the clamping groove (151), and one side of the second sealing member (214) abuts against the end face of the second end of the tank body (11).

13. A tank according to claim 1, characterized in that the tank bottom (15) is made of glass material, and the tank body (11) and the tank bottom (15) are integrally formed.

14. A waste liquid collecting device, characterized by comprising a trolley base (31), a trolley support (33) and a liquid tank (10) according to any one of claims 1-13, wherein the trolley support (33) is fixed on the trolley base (31), and the first limit fixing piece (171) and the tank bottom (15) of the liquid tank (10) are fixedly connected to the trolley support (33).