CN114838040A

CN114838040A - Anesthesia machine

Info

Publication number: CN114838040A
Application number: CN202210199217.4A
Authority: CN
Inventors: 杨战孝; 陈培涛
Original assignee: Shenzhen Mindray Bio Medical Electronics Co Ltd; Shenzhen Mindray Scientific Co Ltd
Current assignee: Shenzhen Mindray Bio Medical Electronics Co Ltd; Shenzhen Mindray Scientific Co Ltd
Priority date: 2018-10-31
Filing date: 2018-10-31
Publication date: 2022-08-02
Also published as: CN109854577A

Abstract

The embodiment of the invention provides a lock catch assembly and an anesthesia machine, wherein the lock catch assembly comprises a base, a first clamping plate and a second clamping plate, wherein the first clamping plate and the second clamping plate are both rotatably connected to the base; when the first clamping plate and the second clamping plate are in the first state, the first clamping plate and the second clamping plate can rotate along the first direction and the second direction; rotating the second clamping plate along the first direction, and changing the first clamping plate and the second clamping plate from the first state to the second state; and rotating the first clamping plate along the second direction, and changing the first clamping plate and the second clamping plate from the second state to the first state. The lock catch assembly provided by the embodiment of the invention can be used for quickly locking and unlocking, and is convenient for storage and use of various to-be-locked parts.

Description

Anesthesia machine

Cross Reference to Related Applications

The application is a divisional application with application date of 2018, 10 and 31, application number of 201811290433.X and name of a lock catch assembly and an anesthesia machine.

Technical Field

The invention belongs to the technical field of medical instruments, and particularly relates to a lock catch assembly and an anesthesia machine.

Background

In the field of medical equipment, anesthesia machines are commonly used, and conventional anesthesia machines are usually installed in hospitals and other places and are not movable. However, patients need to be treated in an area such as a field far from a city, and manufacturers have started developing anesthesia machines that can be carried to an area other than a hospital in order to improve portability of the anesthesia machines.

Since the anesthesia machine contains many functional devices, the portable anesthesia machine needs to consider how to efficiently accommodate these functional devices. When the anesthesia machine is used, all functional devices need to be taken out quickly for use. The problem of accomodating fast and taking out the use still can not be solved in the existing design.

Disclosure of Invention

The invention aims to provide a lock catch assembly which can be quickly switched to a locking state or an opening state, is convenient for quick locking and opening of a to-be-locked piece and solves the problems in the prior art.

In order to realize the purpose of the invention, the invention provides the following technical scheme:

in a first aspect, the invention provides a lock catch assembly, which comprises a base, a first clamping plate and a second clamping plate, wherein the first clamping plate and the second clamping plate are both rotatably connected to the base, the first clamping plate and the second clamping plate are provided with a first state and a second state which are oppositely arranged, when in the first state, the second clamping plate is abutted against the first clamping plate and surrounds to form an accommodating hole, and the accommodating hole is used for accommodating and fixing a to-be-locked part; when the first clamping plate and the second clamping plate are in the first state, the first clamping plate and the second clamping plate can rotate along the first direction and the second direction; rotating the second card in the first direction, the first card and the second card transforming from the first state to the second state; rotating the first card in the second direction, the first card and the second card changing from the second state to the first state.

The first clamping plate comprises a first main body part, a first protruding part and a second protruding part, the first main body part is used for being connected with the base in a rotating mode, the first protruding part and the second protruding part extend from the first main body part in a protruding mode, the first protruding part and the second protruding part are arranged at intervals and surround to form an accommodating groove, and the accommodating groove and the second clamping plate surround to form the accommodating hole.

The second clamping plate comprises a second main body part, an operating part and a supporting part, the second main body part is rotatably connected with the base, the operating part and the supporting part protrude and extend from the second main body part, and the operating part extends out of the base; when the second protrusion is in the second state, the operating part is pulled along the second direction, so that the operating part is pulled along the second direction, the operating part is pulled along the second direction, the second protrusion, the operating part is pulled along the operating part, the operating part is pulled along the operating part, the second protrusion, and the operating part is pulled along the second protrusion, the operating part, and the operating part is pushed to the operating part, and the operating part, and the operating part, the operating part.

When the second protrusion is in the second state, the abutting portion is located on one side of the second protrusion, which is close to the accommodating groove, and the abutting portion has abutting pressure in the second direction against the second protrusion, so that the second protrusion is prevented from rotating in the first direction.

The second protruding portion is provided with a first surface, the abutting portion is provided with a second surface, and the first surface is in surface contact with the second surface when the second protruding portion is in the first state.

The second clamping plate is provided with a limiting part, the limiting part is arranged at the adjacent position of the abutting part, and when the second clamping plate is in the first state, the limiting part limits the second clamping plate to rotate along the second direction.

Wherein, in the first state, the first protrusion is disposed adjacent to the operating portion.

The first clamping plate is rotatably connected with the base through a first rotating shaft, a first elastic part is arranged on the first rotating shaft, the first elastic part elastically supports against the first clamping plate, and the first elastic part is used for enabling the first clamping plate to have a tendency of rotating along the first direction.

The second clamping plate is rotatably connected with the base through a second rotating shaft, a second elastic part is arranged on the second rotating shaft and abuts against the second clamping plate, and therefore the second clamping plate has a tendency of rotating along the second direction.

Wherein a distance between an end of the second protrusion and the first rotation axis is smaller than a distance between an end of the first protrusion and the first rotation axis.

The base is provided with a mounting groove, and the first clamping plate and the second clamping plate are accommodated in the mounting groove and are oppositely arranged; the outer surface of the base is provided with a communicating groove or a communicating hole, the communicating groove or the communicating hole corresponds to the accommodating hole and is communicated with the mounting groove in parallel.

The base is further provided with a limiting structure, and the limiting structure is used for limiting the rotation of the first clamping plate and the second clamping plate when the first clamping plate and the second clamping plate rotate to a preset position.

In a second aspect, the invention further provides an anesthesia machine, which comprises a storage box, a controller, an evaporator, a breathing circuit, a gas compressor and the latch assembly of any one of the various embodiments of the first aspect, wherein the storage box comprises a first shell and a second shell which can be opened and closed, the first shell forms a first receiving cavity with an open end, the second shell forms a second receiving cavity with an open end, and the controller, the evaporator, the breathing circuit or the gas compressor can be locked by the latch assembly and received in the first receiving cavity or the second receiving cavity.

The first accommodating cavity or the second accommodating cavity is also internally provided with a first support and a second support, the locking component is arranged on the second support, the second support is fixedly connected to the first shell or the second shell, one end of the first support is rotatably connected with the first shell or the second shell, the other end of the first support is used for being connected with the locking component on the second support, and the first support and the second support are used for fixing the controller, the evaporator, the breathing circuit or the gas compressor.

The extension rod is arranged on the first support, the extension rod presses the first clamping plate of the locking component, and the first clamping plate rotates to enable the extension rod to be contained and fixed by a containing hole formed by the enclosing of the first clamping plate and the second clamping plate.

The extension rod is used for extending into the accommodating groove of the first clamping plate and pressing the extension rod to enable the first clamping plate to rotate, and when the second protruding portion of the first clamping plate is abutted to the abutting portion of the second clamping plate, the extension rod is fixed in the accommodating hole.

When the operating part of the second clamping plate is pulled, the second clamping plate rotates to enable the abutting state of the abutting part and the second protruding part to be changed, and the first clamping plate springs open to open the extension rod.

The invention provides a lock catch assembly, which is characterized in that a first clamping plate and a second clamping plate which are rotatably connected to a base are arranged, the first clamping plate is rotated, the first clamping plate and the second clamping plate are abutted to enclose a containing hole, a to-be-locked piece can be contained in the containing hole, the to-be-locked piece is fixed, the first clamping plate and the second clamping plate are in a first state, and therefore the to-be-locked piece is locked.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of an embodiment of a latch assembly coupled to a bracket;

FIG. 2 is a schematic structural diagram of a latch assembly of an embodiment;

FIG. 3 is a rear view of the latch assembly of FIG. 2;

FIG. 4 is a schematic view of the internal structure of the latch assembly of FIG. 3;

FIG. 5 is a schematic view of the structure of the latch assembly of FIG. 4 with the first and second catch plates abutting against each other;

FIG. 6 is a schematic view of the second catch plate of the latch assembly of FIG. 4 in a rotated configuration;

FIG. 7 is a schematic view of the first catch plate of the latch assembly of FIG. 4 in a rotated configuration;

FIG. 8 is a schematic structural diagram of a use state of an anesthesia machine according to an embodiment;

FIG. 9 is a structural diagram illustrating a storage state of the anesthesia machine of FIG. 8;

fig. 10 is a partial structural schematic view of the cylinder housing of fig. 9.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 and 2, an embodiment of the invention provides a locking assembly, which includes a base 10, a first card 20 and a second card 30. The first card 20 and the second card 30 are both rotatably connected to the base 10. Referring to fig. 4, 5 and 7, the first card 20 and the second card 30 have a first state and a second state which are oppositely arranged. Referring to fig. 4 and 5, in the first state, the second locking plate 30 abuts against the first locking plate 20 and encloses to form an accommodating hole 11, and the accommodating hole 11 is used for accommodating and fixing a to-be-locked component (refer to reference numeral 41 in fig. 1). In the second state, the first card 20 and the second card 30 are both rotatable in a first direction and a second direction. Referring to fig. 4, 6 and 7, rotating the second card 30 in the first direction changes the first card 20 and the second card 30 from the first state to the second state. Referring to fig. 4 and 5, when the first card 20 is rotated in the second direction, the first card 20 and the second card 30 are changed from the second state to the first state

Rotate first cardboard 20 and second cardboard 30 of connection on base 10 through setting up, rotate first cardboard 20, first cardboard 20 and second cardboard 30 counterbalance are held and are enclosed and form accommodation hole 11, can be with treating the latch fitting holding in accommodation hole 11, make and treat the latch fitting fixed, first cardboard 20 and second cardboard 30 are in the first state, thereby realize the locking and treat the latch fitting, when needs use and treat the latch fitting, rotate second cardboard 30, make first cardboard 20 and second cardboard 30 transform from the first state into the second state, make and treat that the latch fitting relieves the locking state. Therefore, the locking assembly can be locked and unlocked quickly, and is convenient for the storage and the use of various to-be-locked parts.

In this embodiment, the component to be locked may be a functional component of the portable anesthesia apparatus, such as a controller, a vaporizer, a breathing circuit, and a gas compressor. Above-mentioned functional device is accomodate at ordinary times in the containing box, is equipped with the hasp subassembly of this embodiment in the containing box, can be fixed with above-mentioned functional device. When the functional device is needed to be used, the lock catch assembly of the embodiment can be quickly opened, and the functional device can be taken out from the containing box for use. Particularly, in order to facilitate the use of each functional device, various interfaces and display interfaces can be further arranged on the containing box, when the functional device is used, the functional device can be directly hung on the containing box and connected with the various interfaces, and the display interfaces can display various parameter information, so that functions of ventilation, anesthesia and the like of the anesthesia machine are integrated on the containing box.

In this embodiment, the locking assembly can also be applied to other product fields, and is not necessarily limited herein. It should be understood that the hasp assembly of this embodiment is used, can realize quick installation and dismantlement, compares in prior art's conventional hasp structure, and the hasp assembly of this embodiment just can be operated with the hand, need not use specialized tool to realize treating accomodating and using, convenient operation of latch fitting promptly.

Referring to fig. 3 and 4, the first card 20 includes a first main body portion 26, a first protrusion 22 and a second protrusion 23, the first main body portion 26 is used for being rotatably connected with the base 10, the first protrusion 22 and the second protrusion 23 protrude from the first main body portion 26, the first protrusion 22 and the second protrusion 23 are disposed at an interval and surround to form a receiving groove (not numbered in the drawings), and the receiving groove and the second card 30 surround to form the receiving hole 11.

Specifically, the first main body portion 26 of the first card 20 may have a circular shape, the first protruding portion 22 and the second protruding portion 23 extend outward from the outer periphery of the first main body portion 26, and the extending directions of the first protruding portion 22 and the second protruding portion 23 are approximately the same. The receiving groove is formed by enclosing a side surface of the first protruding portion 22 facing the second protruding portion 23, a side surface of the second protruding portion 23 facing the first protruding portion 22, and a part of the first main body portion 26 of the first card 20. A side surface of the first protruding portion 22 facing the second protruding portion 23 is provided with a radian, and the surfaces of the first protruding portion 22, the first main body portion 26 of the first card 20 and the second protruding portion 23, which are connected, are all provided with smooth transitions, so that the accommodating groove forms a circular arc-shaped bottom wall and a circular arc-shaped side wall. When the first catch plate 20 abuts against the second catch plate 30, the first protrusion 22 forms a structure for limiting the position of the member to be locked. Therefore, the surface of the first protrusion 22 facing the second protrusion 23 has a curvature, so that the area of the to-be-locked element clinging to the first protrusion is larger, the local pressure on the first protrusion 22 is smaller, the reliability of the locking assembly is higher, and the structure is more stable.

In the first state, the ends of the first and

second projections

22, 23 are disposed adjacent to the second card 30 such that the outlet of the receiving groove is closed by the second card 30, thereby forming the receiving hole 11. When treating the latch fitting holding in the accommodation hole 11, treat that the three direction of latch fitting all is restricted the displacement by the holding tank, the fourth direction is restricted the displacement by second cardboard 30 to make treat that four directions all are restricted the displacement about the latch fitting, thereby realize treating the fixed of latch fitting.

In an embodiment, referring to fig. 3 and 4, the second card 30 includes a second main body portion 37, an operating portion 32 and a supporting portion 33. The second main body 37 is configured to be rotatably connected to the base 10, the operating portion 32 and the abutting portion 33 protrude from the second main body 37 and extend, and the operating portion 32 extends out of the base 10; in the first state, the abutting portion 33 is configured to abut against the second protruding portion 23, and the operating portion 32 extends out of the base 10. The operating portion 32 is pulled in the first direction, so that the abutting portion 33 rotates, the abutting state between the abutting portion 33 and the second protruding portion 23 changes, and the second protruding portion 23 pops open.

By arranging the operating part 32 to extend out of the base 10, the operating part 32 can be pulled by hand, so that the second clamping plate 30 rotates, and the abutting part 33 is driven to rotate. The rotation direction of the abutting portion 33 is a direction away from the second protruding portion 23, i.e. a second direction shown in fig. 4 and 6, i.e. a counterclockwise direction, so that the abutting state (i.e. the first state shown in fig. 4 and 5) between the abutting portion 33 and the second protruding portion 23 is changed into a gradually disengaged state, until the abutting portion 33 rotates to be completely disengaged from the second protruding portion 23 (i.e. the second state shown in fig. 7), the second protruding portion 23 springs open, so as to open the accommodating hole 11, and the to-be-locked element accommodated in the accommodating hole 11 releases the locking state.

In the first state, the abutting portion 33 is located on one side of the second protruding portion 23 close to the receiving groove, and the abutting portion 33 exerts the abutting pressure in the first direction on the second protruding portion 23 to prevent the second protruding portion 23 from rotating in the first direction.

Specifically, the first state is used for locking the to-be-locked component, that is, the first locking plate 20 and the second locking plate 30 abut against each other to form the accommodating hole 11, and at this time, the accommodating hole 11 is used for accommodating and fixing the to-be-locked component. The second state is used for releasing the locking of the to-be-locked member, that is, the abutting state of the first locking plate 20 and the second locking plate 30 is changed, and the two do not generate a force action. At this time, the first card 20 and the second card 30 are restored to the original state, and the receiving groove of the first card 20 faces the direction of the outside of the base 10 (refer to the schematic view of fig. 7).

In this embodiment, referring to fig. 4 and fig. 5, when in the first state, the abutting portion 33 has an abutting pressure on the second protrusion 23 from the outside to the inside of the base 10, and can limit the receiving groove of the first locking plate 20 to rotate counterclockwise (i.e. rotate along the first direction), so that the structure of the receiving hole 11 is stable, and the locked state of the to-be-locked element is maintained. Referring to fig. 7, when in the second state, the to-be-locked component can be unlocked; in one embodiment, if the to-be-locked component needs to be locked, the to-be-locked component is placed in the receiving groove of the first locking plate 20, and the to-be-locked component is pressed to make the first locking plate 20 rotate along the second direction (clockwise direction shown in fig. 5) until the second protrusion 23 abuts against the abutting portion 33, so as to enter the locked state.

Referring to fig. 4 and 5, the second protrusion 23 has a first surface 230, the supporting portion 33 has a second surface 330, and the first surface 230 is in surface contact with the second surface 330 in the first state.

In this embodiment, the first surface 230 and the second surface 330 are both planar. In other embodiments, the first surface 230 and the second surface may be arc surfaces that are adapted to each other, which means that each position on the two surfaces can be attached to each other, and if the first surface 230 is convex, the second surface 330 is concave. By providing the first surface 230 and the second surface 330 in surface contact, the interaction area of the second protrusion 23 and the abutting portion 33 can be made larger and the connection can be made more stable than point contact or line contact.

In an embodiment, referring to fig. 4 and 5, the second card board 30 is further provided with a limiting portion 34, the limiting portion 34 is disposed adjacent to the abutting portion 33, and when the second card board 30 is in the first state, the limiting portion 34 is used for limiting the rotation of the second card board 30.

In this embodiment, when the first surface 230 is in surface contact with the second surface 330, the first card board 20 or the second card board 30 may rotate, which may cause structural instability, and the limiting portion 34 is disposed to limit the rotation of the second card board 30, thereby ensuring structural stability. Specifically, in the first state, the stopper 34 is disposed on the side of the abutting portion 33 away from the first card 20. The position-limiting portion 34 may protrude from the second surface 330, so that when the second protrusion 23 is in surface contact with the second surface 330, the end of the second protrusion 23 abuts against the position-limiting portion 34, and the rotation of the second card board 30 may be limited. More specifically, the limiting portion 34 is provided to limit the rotation of the second chucking plate 30 in the second direction. Since the limiting portion 34 abuts against the second protruding portion 23 of the first card 20, the rotation of the first card 20 can be limited by the limiting portion 34. And more particularly, the rotation of the first chucking plate 20 in the second direction, thereby making the overall structure of the latch assembly more stable.

In one embodiment, referring to fig. 4, in the first state, the first protrusion 22 is disposed adjacent to the operation portion 32. In other words, the first protrusion 22 is disposed at a position closer to the outer side surface of the base 10 than the second protrusion 23, and the first protrusion 22 serves to restrict the to-be-locked piece within the accommodation hole 11.

In an embodiment, referring to fig. 3 and 4, the first card board 20 is rotatably connected to the base 10 through a first rotating shaft 21, a first elastic member 25 is disposed on the first rotating shaft 21, the first elastic member 25 elastically supports against the first card board 20, and the first elastic member 25 is used for making the first card board 20 have a tendency to rotate along the first direction.

In an embodiment, referring to fig. 3 and 4, the second card board 30 is rotatably connected to the base 10 through a second rotating shaft 31, a second elastic member 35 is disposed on the second rotating shaft 31, and the second elastic member 35 abuts against the second card board 30, so that the second card board 30 tends to rotate along the second direction.

As described above, the first and

second chucking plates

20 and 30 are rotated about the first and second

rotating shafts

21 and 31 by providing the first and second

rotating shafts

21 and 31. And set up first elastic component 25 and second elastic component 35 for first cardboard 20 and second cardboard 30 have along the trend of first direction or second direction pivoted, make first cardboard 20 and second cardboard 30 support each other when the first state and hold, realize the locking function. When the first locking plate 20 is in the first state, the first elastic member 25 and the second elastic member 35 are elastically abutted to each other, and the first locking plate 20 is rotated along the first direction to elastically abut against the second locking plate 30.

In one embodiment, referring to fig. 4, a distance between an end of the second protrusion and the first rotation axis is smaller than a distance between an end of the first protrusion and the first rotation axis.

In other words, the first protruding portion 22 and the second protruding portion 23 of the present embodiment are different in length with respect to the first main body portion 26 of the first card 20, and the first protruding portion 22 extends longer than the second protruding portion 23. The arrangement is such that the size of the first protrusion 22 limiting the to-be-locked member in the receiving hole 11 is longer, and the fixing effect of the to-be-locked member is better.

The first rotating shaft 21 and the second rotating shaft 31 may be rods, such as screw structures, penetrating through the base 10, and corresponding shaft holes are provided on the first clamping plate 20 and the second clamping plate 30 to match with the first rotating shaft 21 and the second rotating shaft 31. The first elastic member 25 and the second elastic member 35 may be torsion springs disposed on the first rotating shaft 21 and the second rotating shaft 31. One connecting end of the torsion spring is connected with the first card plate 20 or the second card plate 30, for example, a protruding connecting part 24 may be provided on the first card plate 20, and one connecting end of the torsion spring of the first elastic member 25 is provided at the connecting part 24; the other connecting end of the torsion spring may be connected to the base 10, for example, the other end of the torsion spring of the first elastic member 25 abuts against the first top plate 14 provided on the base 10. The third card 30 is similar to the above, and reference is made to this. Accordingly, providing the first and second

elastic members

25 and 35 may apply elastic force to the first and

second chucking plates

20 and 30, respectively, so that the first and

second chucking plates

20 and 30 have a tendency to rotate in the first or second direction.

Further, the first card 20 is configured to have a tendency to rotate in a first direction, and the second card 30 is configured to have a tendency to rotate in a second direction, that is, the first card 20 and the second card 30 have opposite and opposite rotation directions, and the pressure provided to the interaction between the first surface 230 on the second protrusion 23 and the second surface 330 of the abutting portion 33 can be provided, so that the structure of the first card 20 and the second card 30 is more stable in the locked state.

In one embodiment, referring to fig. 2, a mounting groove 12 is formed on the base 10, and the first locking plate 20 and the second locking plate 30 are accommodated in the mounting groove 12 and are oppositely disposed. The outer surface of the base 10 is provided with a communicating groove or a communicating hole, and the communicating groove or the communicating hole corresponds to the accommodating hole 11 and is communicated with the mounting groove 12 in parallel. This is provided so that the to-be-locked member can be connected to the accommodation hole 11 through the communicating groove or the communicating hole.

Referring to fig. 3, a cushion 16 may be further disposed on the base 10, the cushion 16 is made of rubber and disposed near the mounting groove of the base 10 corresponding to the receiving hole 11, and the cushion 16 is fixed on a fixing area 17 of the base 10. The cushion pad 16 is used to cushion the impact of the to-be-locked member on the base 10 or the first card plate 20, improving the reliability of the latch assembly.

In an embodiment, referring to fig. 4 and 5, the base 10 is further provided with a limiting structure, and the limiting structure is configured to enable the first clamping plate 20 and the second clamping plate 30 to be limited to rotate when rotating to a preset position.

Specifically, the stopper structure may include a first top plate 14 and a second top plate 15. Referring to fig. 4, when the locking assembly is in the locked state, the second card board 30 abuts against the second top board 15, and the second top board 15 restricts the rotation of the second card board 30. Referring to fig. 4 and 7, when the locking assembly is in the open state, the first locking plate 20 abuts against the first top plate 14, and the first top plate 14 restricts the first locking plate 20 from rotating further.

Referring to fig. 4 and 5, the second clamping plate 30 is further provided with a limiting groove 36, and a part of the second top plate 15 is accommodated in the limiting groove 36, so that when the second clamping plate 30 rotates, three inner walls of the limiting groove 36 can abut against the second top plate 15 at different positions, thereby limiting the position of the second clamping plate 30.

The use of the latch assembly of the embodiments of the present application is described below:

the latch assembly is mounted to a predetermined position. As shown in fig. 1 and 2, the base 10 is provided with a plurality of connecting holes 13, so that the base 10 can be fixed to a predetermined position, such as a storage box of an anesthesia machine. The plurality of coupling holes 13 may be engaged with coupling members such as screws to fix the base 10. The part to be locked can be a bracket 40, and a protruding extension rod 41 is arranged on the bracket 40; the bracket 40 can be rotatably connected to the storage box at one end, and the extension rod 41 is used for matching and connecting with the accommodating hole 11 of the locking assembly. The support 40, the base 10 and the inner wall of the storage box can enclose a space for storing functional devices of the anesthesia machine. The state of the locking assembly will be further described below by taking the extension rod 41 as an example.

The extension rod 41 is fixed into the accommodation hole 11. Referring to fig. 3 and 4, when the extension rod 41 is not locked in the first initial state and the first locking plate 20 and the second locking plate 30 are in the abutting state, the extension rod 41 can be directly pressed downward, that is, the extension rod 41 presses the surface of the first protrusion 22 opposite to the second protrusion 23, so that the first locking plate 20 is pressed to rotate. As the displacement of the extension rod 41 is changed by pressing down, the extension rod 41 gradually enters the space of the preset position of the accommodating hole 11, that is, as the first catch plate 20 rotates, the extension rod 41 gradually moves from the surface of the first protrusion 22 opposite to the second protrusion 23 to the direction of the accommodating hole. After the extension rod 41 is located in the space of the preset position of the receiving hole 11, since there is no pressure on the first protrusion 22, the first protrusion 22 rebounds, and the extension rod 41 enters the receiving groove of the first clamping plate 20, where the position of the receiving groove is the position of the receiving hole 11, so as to lock the extension rod 41. When in the second initial state, referring to fig. 7, the locking assembly is in an open state, that is, the first locking plate 20 and the second locking plate 30 are in a separated state, when in use, the extension rod 41 can be placed in the accommodating groove and downwardly rolled into the extension rod 41, the extension rod 41 drives the first locking plate 20 to rotate, and the second protruding portion 23 abuts against the abutting portion 33 until the extension rod 41 is locked.

The extension bar 41 is unlocked. Referring to fig. 6 and 7, when the operating portion 32 of the second card 30 is pulled, the operating portion 32 rotates toward the first card 20, and when the mutual abutting state between the second protrusion 23 and the abutting portion 33 changes, the first card 20 springs open without the pressure of the abutting portion 33 to form the state shown in fig. 7, in which the receiving groove of the first card 20 faces the outside of the base 10, and at this time, the locking state of the extending rod 41 contacts, so that the support 40 can be opened.

Referring to fig. 8 and 9, an anesthesia apparatus is further provided in an embodiment of the present invention, which includes a storage box, a controller 54, an evaporator 51, a breathing circuit 52, a gas compressor 55, and a locking assembly provided in an embodiment of the present invention, the storage box includes a first housing 110 and a second housing 120 that can be opened and closed, the first housing 110 forms a first receiving cavity 115 with an open end, the second housing 120 forms a second receiving cavity 125 with an open end, and the controller 54, the evaporator 51, the breathing circuit 52, or the gas compressor 55 can be locked by the locking assembly and received in the first receiving cavity 115 or the second receiving cavity 125.

It will be appreciated that the vaporizer 51, the breathing circuit 52, the gas compressor 55 and the controller 54 are housed in the first housing chamber 115 of the first housing 110, and the second housing 120 is closed to the first housing 110, so that the second housing 120 covers the first open end of the first housing chamber 115, thereby facilitating carrying and replacement of the anesthesia machine. The second housing 120 and the first housing 110 are opened, the evaporator 51 and the breathing circuit 52 are taken out from the first accommodating cavity 115, and the gas compressor 55 is connected through a pipeline, so that the evaporator 51, the breathing circuit 52 and the gas compressor 55 form an anesthesia breathing circuit, and the anesthesia machine can be put into use, thereby being convenient, rapid, time-saving and labor-saving.

Of course, in another embodiment, the controller 54 and the gas compressor 55 may be fixedly housed in the second housing chamber 125, the vaporizer 51 and the breathing circuit 52 may be housed in the first housing chamber 115, and the second housing 120 and the first housing 110 may be closed, thereby facilitating carrying and replacement of the anesthesia apparatus to a place of use.

First housing 110 when it is needed to use, since the locking assembly has the function of locking and unlocking quickly, the evaporator 51, the breathing circuit 52, the gas compressor 55 or the controller 54 can be taken out quickly for use, and the operation is convenient.

In this embodiment, various interfaces, pipelines and display interfaces may be further disposed on the storage box, the functional devices may be hung on the storage box and connected to the interfaces and the pipelines, and the display interfaces may display parameters of the functional devices. Therefore, the anesthesia machine of the embodiment can be carried to an area outside a hospital for use, particularly in the field, battlefield and the like, and can timely treat patients or wounded.

Further, referring to fig. 8, the anesthesia machine further includes a gas cylinder 53, and the gas cylinder 53 provides oxygen to the target. The gas cylinder 53 can be contained or placed outside the first housing cavity 115 and a detachable conduit is provided between the breathing circuit 52 and the gas cylinder. The gas cylinder is fixed by a gas cylinder fixing frame, and the gas cylinder fixing frame can be arranged in the first accommodating cavity 115. The gas cylinder 52 is detachably fixed to the gas cylinder holder.

In an embodiment, referring to fig. 8 in combination with fig. 1 and 9, the first receiving cavity 115 is further provided with a first bracket 401 (i.e. reference numeral 40 in fig. 1) and a second bracket 101 (i.e. reference numeral 10 in fig. 1), the latch assembly is disposed on the second bracket 101, and the second bracket 101 is fixedly connected to the first housing 110. One end of the first bracket 401 is rotatably connected with the first housing 110, the other end of the first bracket 401 is used for connecting with the locking assembly on the second bracket 101, and the first bracket 401 and the second bracket 101 are used for fixing the evaporator 51, the breathing circuit 52, the gas compressor 55, the controller 54 and the gas bottle 53. It should be understood that the first bracket 401 and the second bracket 101 may also be disposed within the second receiving cavity 125.

Specifically, referring to fig. 8 and 10, taking the fixed gas cylinder 53 as an example, a first limit table 61 and a second limit table 62 may be further disposed on the bottom wall of the first receiving cavity 115 of the first housing 110, and the specific shapes of the first limit table 61 and the second limit table 62 correspond to the shapes of the two ends of the gas cylinder 53, respectively. The first bracket 401 may be connected to the side wall of the first housing 110 through a hinge structure, the second bracket 101 is fixedly connected to the first position-limiting platform 61, and the first bracket 401 cooperates with the locking component on the second bracket 101 to limit the gas cylinder 53 in the space enclosed by the inner wall of the first housing 110, the first position-limiting platform 61, the first bracket 401 and the second bracket 101. In order to fix the gas cylinder 53 more stably, the first bracket 401, the second bracket 101 and the locking structure may be provided on the second limit table 62. In order to facilitate the air bottle 53 to be hung on the storage box when in use, a hook structure 63 can be further arranged on the air bottle 53, and the hook structure 63 can be hung on the first shell 110 when in use. The second bracket 101 of the present embodiment may be a separate structure, or may be the base 10 of the latch assembly (as shown in fig. 1).

Further, referring to fig. 8 and 9, similarly to the first bracket 401 and the second bracket 101, a bracket 403 and a bracket 103 may be further provided for fixing the evaporator 51; the bracket 402 and the bracket 101 are provided for fixing the breathing circuit 52. The connection among the brackets is carried out through the lock catch assembly provided by the embodiment of the invention, so that the brackets can be conveniently fixed and detached.

Referring to fig. 8 and 9, in order to facilitate the use of the anesthesia machine, the interfaces, pipes, and other structures connected to the functional devices such as the evaporator 51, the breathing circuit 52, the gas compressor 55, and the controller 54 may be arranged as needed, for example, they may be arranged in a movable manner or a rotatable manner, so that when the anesthesia machine is in a storage state, all the functional devices, the interfaces, and the pipes are stored in the storage box. When the anesthesia machine is in a use state, the structures such as the interfaces or the pipelines can move or rotate so as to facilitate the connection of the functional devices. Taking the connection structure 152 for connecting the breathing circuit as an example, as shown in fig. 9, when the anesthesia machine is stored, the connection structure 152 is entirely located in the storage box. As shown in fig. 8, when the anesthesia machine is in use, the connection structure 152 is rotated 90 °, and the breathing circuit device 52 is connected to the connection structure 152 outside the storage box. Therefore, the structure such as the interface or the pipeline is movable or rotatable, and functional devices such as the gas cylinder 53 can be mounted on the outer side of the containing box, so that the arrangement layout space of each functional device is enlarged.

Referring to fig. 8 in combination with fig. 1 and fig. 2, an extension rod 41 is disposed on the first support 401, the extension rod 41 presses the first clip plate 20 of the locking assembly, and the first clip plate 20 rotates to allow the extension rod 41 to be received and fixed by the receiving hole 11 formed by the first clip plate 20 and the second clip plate 30. Similar to the first bracket 401, the extension rods 41 are provided on the

brackets

402 and 403. The extension rod 41 may be made as a standard or universal piece sized to fit into the receiving hole 11 of the locking assembly.

Referring to fig. 1 to 4, the extension rod 41 is used to extend into the receiving groove of the first card 20, and press the extension rod 41 to rotate the first card 20, and when the second protrusion 23 of the first card 20 abuts against the abutting portion 33 of the second card 30, the extension rod 41 is fixed in the receiving hole 11.

Referring to fig. 1, 4, 6 and 7, when the operating portion 32 of the second card 30 is pulled, the second card 30 rotates to change the abutting state between the abutting portion 33 and the second protrusion 23, and the first card 20 springs open to open the extending rod 41.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. An anesthesia machine, comprising:

the storage box comprises a first shell and a second shell which can be opened and closed, wherein the first shell forms a first containing cavity with an opening end, and the second shell forms a second containing cavity with an opening end;

a functional device comprising an evaporator, a breathing circuit, a gas compressor, and a controller;

when the anesthesia machine is in a storage state, the functional device and the connecting structure connected with the functional device are stored in the storage box; when the anesthesia machine is in a use state, the connecting structure connected with the evaporator and the breathing circuit device can move or rotate so as to facilitate the connection of the evaporator and the breathing circuit device.

2. The anesthesia machine of claim 1, wherein the connection structure comprises a conduit or a port.

3. The anesthesia machine of claim 1, wherein the functional device comprises a gas cylinder, and wherein the connection structure connected to the gas cylinder is movable or rotatable to facilitate connection of the gas cylinder when the anesthesia machine is in use.

4. The anesthesia machine of claim 3, wherein the breathing circuit and the gas cylinder are both located outside the storage box when the anesthesia machine is in use.

5. The anesthesia machine of claim 4, wherein the breathing circuit is located on the left side of the storage box and the gas cylinder is located on the right side of the storage box when the anesthesia machine is in use.

6. The anesthesia machine of claim 1, wherein the vaporizer is movably disposed on the second housing when the anesthesia machine is in use, and wherein the anesthetic vaporizer is received in the first receiving chamber when the anesthesia machine is in a received state.

7. The anesthesia machine of claim 3, wherein the anesthesia machine comprises a gas cylinder holder, and when the anesthesia machine is in use, the gas cylinder is detachably fixed on the gas cylinder holder and is positioned outside the storage box; when the anesthesia machine is in a storage state, the gas cylinder fixing frame is located in the first storage cavity.

8. The anesthesia machine of claim 1, wherein the vaporizer is movably disposed on the second housing when the anesthesia machine is in use, and wherein the anesthetic vaporizer is received in the first receiving chamber when the anesthesia machine is in a received state.

9. The anesthesia machine of claim 1, wherein the connection structure to the breathing circuit connector is rotatable by 90 ° when the anesthesia machine is in use, and the breathing circuit connector is connected to the corresponding connection structure outside the storage box.

10. The anesthesia machine of any of claims 1-9, wherein the anesthesia machine comprises a latch assembly, the latch assembly being capable of locking and unlocking; when the anesthesia machine is in a storage state, the evaporator or the breathing circuit device is locked by the locking and buckling component and is contained in the first containing cavity or the second containing cavity;

the lock catch assembly can be unlocked to take out the functional device locked by the lock catch.

11. The anesthesia machine of claim 10, wherein a first bracket and a second bracket are further disposed in the storage box, the latch assembly is disposed on the second bracket, the second bracket is fixedly connected to the first housing or the second housing, one end of the first bracket is rotatably connected to the first housing or the second housing, the opposite end of the first bracket is used for being connected to the latch assembly on the second bracket, and the first bracket and the second bracket are used for fixing the controller, the evaporator, the breathing circuit or the gas compressor.

12. The anesthesia machine of claim 11, wherein the locking assembly comprises a base, a first locking plate and a second locking plate, the first locking plate and the second locking plate are both rotatably connected to the base, the first locking plate and the second locking plate have a first state and a second state which are oppositely arranged, in the first state, the second locking plate abuts against the first locking plate and encloses a receiving hole, and the receiving hole is used for receiving and fixing the member to be locked; when the first clamping plate and the second clamping plate are in the first state, the first clamping plate and the second clamping plate can rotate along the first direction and the second direction; rotating the second card in the first direction, the first card and the second card changing from the first state to the second state; rotating the first card in the second direction, the first card and the second card changing from the second state to the first state.

13. The anesthesia machine of claim 11, wherein the first catch plate comprises a first main body portion, a first tab, and a second tab; the first main body part is connected with the base in a rotating mode, the first protruding part and the second protruding part extend from the first main body part in a protruding mode, the first protruding part and the second protruding part are arranged at intervals and enclose to form an accommodating groove, and the accommodating groove and the second clamping plate enclose to form the accommodating hole.

14. The anesthesia machine of claim 13, wherein the second clamping plate comprises a second main body part, an operating part and a supporting part, the second main body part is rotatably connected with the base, the operating part and the supporting part protrude and extend from the second main body part, and the operating part extends out of the base; when the second protrusion is in the second state, the operating part is pulled along the second direction, so that the operating part is pulled along the second direction, the operating part is pulled along the second direction, the second protrusion, the operating part is pulled along the operating part, the operating part is pulled along the operating part, the second protrusion, and the operating part is pulled along the second protrusion, the operating part, and the operating part is pushed to the operating part, and the operating part, and the operating part, the operating part.

15. The anesthesia machine of claim 12, wherein the first engaging plate is rotatably connected to the base via a first rotating shaft, the first rotating shaft is provided with a first elastic member, the first elastic member elastically abuts against the first engaging plate, and the first elastic member is configured to cause the first engaging plate to have a tendency to rotate in the first direction.

16. The anesthesia machine of claim 15, wherein the second catch plate is rotatably connected to the base via a second shaft, and a second elastic member is disposed on the second shaft and abuts against the second catch plate, so that the second catch plate tends to rotate in the second direction.

17. The anesthesia machine of claim 12, wherein the base is provided with a mounting slot, and the first clamping plate and the second clamping plate are accommodated in the mounting slot and arranged oppositely; the outer surface of the base is provided with a communicating groove or a communicating hole, the communicating groove or the communicating hole corresponds to the accommodating hole and is communicated with the mounting groove in parallel.

18. The anesthesia machine of claim 12, wherein said base further comprises a stop structure, said stop structure being configured to limit rotation of said first catch plate and said second catch plate when said first catch plate and said second catch plate are rotated to a predetermined position.

19. The anesthesia machine of claim 14, wherein an extension rod is disposed on the first support, the extension rod presses a first clamping plate of the locking assembly, and the first clamping plate rotates to allow the extension rod to be received and fixed by a receiving hole formed by the first clamping plate and a second clamping plate.

20. The anesthesia machine of claim 19, wherein said extension rod is adapted to extend into the receiving slot of said first clamping plate and press said extension rod to rotate said first clamping plate, and when the second protrusion of said first clamping plate abuts against the abutting portion of said second clamping plate, said extension rod is fixed in said receiving slot.

21. The anesthesia machine of claim 20, wherein when the operating portion of the second catch plate is pulled, the second catch plate rotates to change the holding state between the holding portion and the second protrusion, and the first catch plate springs open to open the extension rod.