Fixed unlocking mechanism, evaporating tank and anaesthesia machine

Abstract

The utility model is applicable to the technical field of anaesthesia machines, and provides a fixed unlocking mechanism, an evaporating pot and an anaesthesia machine, which comprises a bottom shell, a pulling piece and a fixed unlocking assembly. The pulling piece is arranged on the bottom shell and comprises a pulling plate and a rotating plate connected with the pulling plate, and the rotating plate can rotate relative to the bottom shell by pulling the pulling plate. The rotating plate is at least partially located between the fixed unlocking assemblies, and under the condition that the rotating plate rotates, the rotating plate can drive the fixed unlocking assemblies to achieve unlocking or fixing. Due to the fact that the pulling piece and the fixed unlocking assembly are movably connected, the fixed unlocking assembly can be unlocked and fixed only by pulling the pulling piece, the structure is relatively simple, in addition, due to the fact that the pulling piece can be designed in a miniaturized mode, the miniaturized design of the fixed unlocking assembly can be facilitated, the overall structure of the evaporation tank is reduced, and the cost is reduced. And users can use conveniently.

Description

TECHNICAL FIELD

[0001] The utility model belongs to anesthetic machine technical field especially, it relates to a kind of fixed unlocking mechanism, evaporation tank and anesthetic machine. BACKGROUND

[0002] Anesthetic evaporation tank (also known as: anesthetic machine evaporator, anesthetic volatile tank) is an important component of anesthetic machine, its quality not only marks the manufacturing level of anesthetic machine, is also related to the effect and success of inhalation anesthesia, directly involves the safety of life.The basic principle of anesthetic evaporation tank is to change anesthetic into vaporized gas by using temperature and pressure variation, through a certain amount of carrier gas, part of the gas carries away saturated anesthetic gas, becomes anesthetic vapor flow with certain concentration, directly enters anesthetic circuit.

[0003] The existing anesthetic machine evaporation tank is detachably mounted on the anesthetic machine, after the anesthetic in the evaporation tank is used up, the evaporation tank can be detached for replacement operation, so that the anesthetic machine can continue to work normally.

[0004] However, the existing anesthetic machine evaporation tank fixing and unlocking mechanism adopts a lever mechanism installed on the evaporation tank, which realizes unlocking by prying the lock catch at the other end of the lever through pressing the unlocking button inside the handle, and restores through the compression spring on the button, but this structure requires handle structure, which has limited requirements for the appearance of the evaporation tank, and the installation on the evaporation tank is not conducive to the lightweight design of the evaporation tank and the normal use of the user. UTILITY MODEL CONTENTS

[0005] The fixing and unlocking mechanism provided by the utility model aims to solve the problems of high structural limitation and heavy overall weight of the existing evaporation tank.

[0006] The utility model is implemented in the following way, a kind of fixing and unlocking mechanism, the fixing and unlocking mechanism includes:

[0007] Bottom shell;

[0008] Pulling member, the pulling member is set with the bottom shell, the pulling member includes pull plate and the rotating plate connected with the pull plate, and pulling the pull plate can make the rotating plate rotate relative to the bottom shell;

[0009] Fixing and unlocking assembly, the rotating plate is at least partially located between the fixing and unlocking assembly, under the condition that the rotating plate rotates, the rotating plate can drive the fixing and unlocking assembly to realize unlocking or fixing.

[0010] Further, the fixing and unlocking assembly includes:

[0011] Lock cylinder;

[0012] A first elastic component is arranged on both sides of the rotating plate respectively, and abuts against the rotating plate.

[0013] Further, the first elastic component comprises:

[0014] A spring;

[0015] A bearing block comprising an upper part and a lower part connected with the upper part, the size of the upper part being larger than that of the lower part, the lower part being sleeved in the spring, one end of the spring being fixedly connected with the bottom shell, the lower surface of the upper part of the spring being fixedly connected with the other end of the spring, and the bottom surface of the lower part being spaced apart from the bottom shell when the first elastic component is in the first state.

[0016] Further, a gap is formed between the lock cylinder and the rotating plate.

[0017] Further, a mounting seat is arranged on the bottom shell, a sliding channel is formed in the mounting seat and arranged along the vertical direction of the mounting seat, a through hole is formed in the mounting seat and arranged along the horizontal direction of the mounting seat, the through hole divides the sliding channel into an upper sliding channel and a lower sliding channel, the lock cylinder is arranged in the upper sliding channel, the first elastic component is arranged in the lower sliding channel, the rotating plate at least partially penetrates through the through hole, the lock cylinder can move in the upper sliding channel, and the first elastic component can move in the lower sliding channel.

[0018] Further, the fixed unlocking mechanism comprises a rotating shaft, the rotating shaft penetrates through the rotating plate and is connected with the rotating plate, and the rotating plate rotates relative to the rotating shaft.

[0019] Further, the fixed unlocking mechanism comprises a second elastic member, the second elastic member is arranged around the rotating shaft, and the second elastic member is used for applying elastic force to the rotating shaft to make the rotating plate have a tendency to drive the fixed unlocking component to be fixed.

[0020] Further, the second elastic member is a torsion spring.

[0021] The utility model also provides a kind of evaporation tank, comprising:

[0022] Tank body;And

[0023] The fixed unlocking mechanism according to any one of the above is arranged on the tank body.

[0024] The utility model also provides a anesthesia machine, include:

[0025] Machine body and

[0026] The evaporation tank according to the above is arranged on the machine body and detachably connected with the machine body.

[0027] The utility model discloses the beneficial effect reached, because pull member and fixed unlocking subassembly movable connection, and only need to pull pull member to realize the unlocking and fixed of fixed unlocking subassembly, relative simple structure, in addition, because pull member can miniaturized design, so can be favorable to the miniaturized design of fixed unlocking subassembly, thereby reduce the overall structure of evaporation tank, convenient for user to use. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 It is the structure schematic diagram of fixed unlocking mechanism provided by the utility model;

[0029] Figure 2 It is the cross section schematic diagram of fixed unlocking mechanism provided by the utility model;

[0030] Figure 3 It is Figure 2 The enlarged schematic diagram of I part in;

[0031] Figure 4 It is still another structure schematic diagram of fixed unlocking mechanism provided by the utility model;

[0032] Figure 5 It is still another cross section schematic diagram of fixed unlocking mechanism provided by the utility model;

[0033] Figure 6 It is Figure 5 The enlarged schematic diagram of II part in;

[0034] Figure 7 It is the structure schematic diagram of pull member provided by the utility model.

[0035] Explanation of main element symbol:

[0036] Fixed unlocking mechanism 100, bottom shell 10, pull member 20, pull plate 201, rotating plate 202, fixed unlocking subassembly 30, lock core 301, first elastic component 302, spring 3021, bearing block 3022, upper portion 3023, lower portion 3024, mounting seat 40, sliding channel 401, upper sliding channel 4011, lower sliding channel 4012, perforated hole 402, rotating shaft 50, second elastic piece 60. DETAILED DESCRIPTION

[0037] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the utility model is further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and are not used to limit the utility model.

[0038] Due to the indirect connection between the pulling member 20 and the bottom shell 10, wherein the indirect connection refers to that the pulling member 20 is connected with the bottom shell 10 through a fixing structure, the fixing structure is detachably arranged on the bottom shell 10, the pulling member 20 is connected with the fixing structure, and the fixing structure is arranged to facilitate the connection between the pulling member 20 and the bottom shell 10, which is simple in structure and easy to implement.

[0039] Example One

[0040] Please refer to Figures 1 to 6 , a fixed unlocking structure 100, the fixed unlocking structure 100 comprises:

[0041] The bottom shell 10;

[0042] The pulling member 20 is arranged on the bottom shell 10, and the pulling member 20 comprises a pulling plate 201 and a rotating plate 202 connected with the pulling plate 201, and pulling the pulling plate 201 can make the rotating plate 202 rotate relative to the bottom shell 10;

[0043] The fixed unlocking assembly 30, the rotating plate 202 is at least partially located between the fixed unlocking assembly 30, and under the condition that the rotating plate 202 rotates, the rotating plate 202 can drive the fixed unlocking assembly 30 to realize unlocking or fixing.

[0044] In the utility model, the pulling member 20 is indirectly connected with the bottom shell 10, wherein the indirect connection refers to that the pulling member 20 is connected with the bottom shell 10 through a fixing structure, the fixing structure is detachably arranged on the bottom shell 10, the pulling member 20 is connected with the fixing structure, and the fixing structure is arranged to facilitate the connection between the pulling member 20 and the bottom shell 10, which is simple in structure and easy to implement.

[0045] Further, the bottom shell 10 is made of plastic, the plastic has high plasticity, can meet the design of the shape of the bottom shell 10, thereby facilitating the production of the bottom shell 10, and it can be understood that in other examples, the bottom shell 10 can also be made of other materials, and the specific design can be designed according to the actual situation, which is not limited here.

[0046] Specifically, the pulling plate 201 is designed to be substantially perpendicular to the rotating member.

[0047] Preferably, a gap exists between the bottom of the pull plate 201 and one side of the bottom shell 10, so that the user can insert his fingers into the gap to pull the pull plate 201.

[0048] Further, the rotation of the rotation plate 202 relative to the bottom shell 10 refers to the axial rotation of the rotation plate 202 relative to the bottom shell 10.

[0049] In the utility model, since the pulling member 20 and the fixed unlocking assembly 30 are movably connected, and only need to pull the pulling member 20 to realize the unlocking and fixing of the fixed unlocking assembly 30, the structure is relatively simple, in addition, since the pulling member 20 can be miniaturized design, so it is favorable to the miniaturized design of the fixed unlocking assembly 30, thereby reducing the overall structure of the evaporation tank, convenient for the user to use.

[0050] Example Two

[0051] Please refer to Figure 2 and Figure 6 , further, the fixed unlocking assembly 30 comprises:

[0052] The lock core 301;

[0053] The first elastic assembly 302, the lock core 301 and the first elastic assembly 302 are respectively located at both sides of the rotation plate 202, the first elastic assembly 302 abuts against the rotation plate 202, the first elastic assembly 302 has a first state and a second state, in the case that the first elastic assembly 302 is in the first state, the rotation plate 202 drives the lock core 301 to move to make the fixed unlocking structure 100 be in the fixed state, in the case that the first elastic assembly 302 is in the second state, the rotation plate 202 drives the lock core 301 to move to make the fixed unlocking structure 100 be in the unlocked state.

[0054] In the embodiment, the first elastic assembly 302 has a first state and a second state, in the case that the first elastic assembly 302 is in the first state, the rotation plate 202 drives the lock core 301 to move to make the fixed unlocking structure 100 be in the fixed state, in the case that the first elastic assembly 302 is in the second state, the rotation plate 202 drives the lock core 301 to move to make the fixed unlocking structure 100 be in the unlocked state.

[0055] That is to say, the first elastic assembly 302 is used to realize the key of the fixed unlocking structure 100 fixing and unlocking, and the fixed unlocking structure 100 fixing and unlocking can be realized through a first elastic assembly 302, the structure is simple, and easy to realize.

[0056] Further, the lock cylinder 301 and the first elastic assembly 302 are respectively located on two sides of the rotating plate 202, specifically, the lock cylinder 301 is located on the upper side of the rotating plate 202, the first elastic member is located on the lower side of the rotating plate 202, and the first elastic assembly 302 abuts against the rotating plate 202. In the case that the rotating plate 202 rotates, the rotating plate 202 can provide extrusion force to the first elastic assembly 302 or the first elastic assembly 302 provides restoring force to the rotating plate 202, so as to drive the lock cylinder 301 on the upper side of the rotating plate 202 to move, so as to realize the fixing and unlocking of the fixed unlocking structure 100, which is simple, convenient and fast.

[0057] Example Three

[0058] Please refer to Figure 2 and Figure 6 , further, the first elastic assembly 302 comprises:

[0059] a spring 3021;

[0060] an abutting block 3022, the abutting block 3022 comprises an upper portion 3023 and a lower portion 3024 connected with the upper portion 3023, the size of the upper portion 3023 is greater than the size of the lower portion 3024, the lower portion 3024 is sleeved in the spring 3021, one end of the spring 3021 is fixedly connected with the bottom shell 10, the lower surface of the upper portion 3023 of the spring 3021 is fixedly connected with the other end of the spring 3021, and in the case that the first elastic assembly 302 is in the first state, the bottom surface of the lower portion 3024 has a gap with the bottom shell 10.

[0061] Since the abutting block 3022 comprises the upper portion 3023 and the lower portion 3024, and the size of the upper portion 3023 is greater than the size of the lower portion 3024, in addition, the lower portion 3024 is sleeved in the spring 3021, one end of the spring 3021 is fixedly connected with the bottom shell 10, and the lower surface of the upper portion 3023 of the spring 3021 is fixedly connected with the other end of the spring 3021, so that the abutting block 3022 can move with the spring 3021, and the two will not fall off, which is beneficial to the normal work of the first elastic assembly 302.

[0062] In addition, the bottom surface of the lower portion 3024 has a gap with the bottom shell 10, in the case that the rotating plate 202 extrudes the first elastic assembly 302 downward, a certain space is provided to the abutting block 3022 to move downward, so as to realize the compression of the spring 3021, which is simple in structure and easy to realize.

[0063] Example Four

[0064] Please refer to Figure 2 , further, there is a gap between the lock cylinder 301 and the rotating plate 202.

[0065] By setting a gap between the lock cylinder 301 and the rotating plate 202, the lock cylinder 301 and the rotating plate 202 belong to a vacuum state, in the case of the first elastic assembly 302 providing upward restoring force to the rotating plate 202, the rotating plate 202 will extrude the air between the lock cylinder 301 and the rotating plate 202, thereby driving the lock cylinder 301 to move upward to realize the fixing of the fixed unlocking structure 100; in the case of the rotating plate 202 moving downward, it will form a negative pressure between the lock cylinder 301 and the rotating plate 202, thereby driving the lock cylinder 301 to move downward to realize the unlocking of the fixed unlocking structure 100. The pneumatic switch mode is beneficial to avoid the mutual collision between the structures, thereby improving the service life between the two, and further improving the service life of the fixed unlocking structure 100.

[0066] Example Five

[0067] Please refer to Figure 2 and Figure 5 , further, the bottom shell 10 is provided with a mounting seat 40, a sliding channel 401 is formed in the mounting seat 40, the sliding channel 401 is arranged along the vertical direction of the mounting seat 40, a through hole 402 is formed in the mounting seat 40, the through hole 402 is arranged along the horizontal direction of the mounting seat 40, the through hole 402 divides the sliding channel 401 into an upper sliding channel 4011 and a lower sliding channel 4012, the lock cylinder 301 is located in the upper sliding channel 4011, the first elastic assembly 302 is located in the lower sliding channel 4012, the rotating plate 202 at least partially passes through the through hole 402, the lock cylinder 301 can move in the upper sliding channel 4011, and the first elastic assembly 302 can move in the lower sliding channel 4012.

[0068] By setting the mounting seat 40, the lock cylinder 301, the first elastic assembly 302 and the rotating plate 202 can be installed, and a certain relationship between the lock cylinder 301, the first elastic assembly 302 and the rotating plate 202 can be established. Thus, in the case of rotating the rotating plate 202, the lock cylinder 301 can be indirectly driven to move, thereby realizing the fixing or unlocking of the fixed unlocking structure 100.

[0069] Among them, the mounting seat 40 is made of plastic, which has high plasticity and can meet the design of the shape of the mounting seat 40, thereby facilitating the production of the mounting seat 40. It can be understood that in other embodiments, the mounting seat 40 can also be made of other materials, which can be designed according to actual conditions, and is not limited here.

[0070] Example Six

[0071] Please refer to Figure 2 and Figure 5Further, the fixed unlocking structure 100 comprises a rotating shaft 50, the rotating shaft 50 penetrates the rotating plate 202 and is connected with the rotating plate 202, and the rotating plate 202 rotates relative to the rotating shaft 50.

[0072] By arranging the rotating shaft 50, the rotating of the rotating plate 202 is facilitated, that is, the rotating plate 202 rotates around the rotating shaft 50 as the rotating point, and the rotating range of the rotating plate 202 is limited, thereby facilitating the normal work of the fixed unlocking structure 100.

[0073] Example Seven

[0074] Please refer to Figure 2 and Figure 5 Further, the fixed unlocking structure 100 comprises a second elastic member 60, the second elastic member 60 is arranged around the rotating shaft 50, and the second elastic member 60 is used for applying elastic force to the rotating shaft 50 to make the rotating plate 202 keep driving the fixed unlocking assembly 30 to realize the fixation.

[0075] By arranging the second elastic member 60, the second elastic member 60 is used for applying elastic force to the rotating shaft 50 to make the rotating plate 202 keep driving the fixed unlocking assembly 30 to realize the fixation, and thus, when the user needs to fix the fixed unlocking structure 100, the second elastic member 60 can automatically drive the rotating plate 202 to rotate to realize the fixation of the fixed unlocking structure 100, and the structure is simple and easy to realize.

[0076] Example Eight

[0077] Further, the second elastic member 60 is a torsion spring.

[0078] Of course, in other embodiments, the second elastic member 60 can also be other elastic elements, for example, a spring, which is not limited herein.

[0079] Example Nine

[0080] The utility model also provides a kind of evaporation tank, comprising:

[0081] Tank body;And

[0082] The fixed unlocking structure 100 of any one of the above, the fixed unlocking structure 100 is arranged on tank body.

[0083] In the utility model, since the pulling member 20 and the fixed unlocking assembly 30 are movably connected, and only need to pull the pulling member 20 to realize the unlocking and fixing of the fixed unlocking assembly 30, the structure is relatively simple, in addition, since the pulling member 20 can be miniaturized design, so can be favorable to the miniaturized design of the fixed unlocking assembly 30, thereby reduce the overall structure of the evaporation tank, convenient for user to use.

[0084] Example Ten

[0085] The utility model also provides a kind of anesthesia machine, it include:

[0086] Machine body;And

[0087] The above-mentioned evaporation tank is arranged on the machine body, and the evaporation tank is detachably connected with the machine body.

[0088] In the utility model, since the pulling member 20 and the fixed unlocking assembly 30 are movably connected, and only need to pull the pulling member 20 to realize the unlocking and fixing of the fixed unlocking assembly 30, the structure is relatively simple, in addition, since the pulling member 20 can be miniaturized design, so can be favorable to the miniaturized design of the fixed unlocking assembly 30, thereby reduce the overall structure of the evaporation tank, convenient for user to use.

[0089] The above-mentioned only for the preferred embodiment of the utility model, and does not limit the utility model, any modification, equivalent replacement and improvement etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A stationary unlocking mechanism, characterized by The fixed unlocking mechanism comprises: a bottom shell; a pulling member arranged on the bottom shell, the pulling member comprising a pulling plate and a rotating plate connected with the pulling plate, and pulling the pulling plate can make the rotating plate rotate relative to the bottom shell; a fixed unlocking assembly, the rotating plate being at least partially located between the fixed unlocking assembly, and under the condition that the rotating plate rotates, the rotating plate can drive the fixed unlocking assembly to realize unlocking or fixing.

2. The fixed unlock mechanism of claim 1, wherein, The fixed unlocking mechanism comprises: a lock cylinder; a first elastic assembly, the lock cylinder and the first elastic assembly being respectively located on two sides of the rotating plate, the first elastic assembly abutting against the rotating plate, the first elastic assembly having a first state and a second state, under the condition that the first elastic assembly is in the first state, the rotating plate drives the lock cylinder to move so that the fixed unlocking mechanism is in a fixed state, and under the condition that the first elastic assembly is in the second state, the rotating plate drives the lock cylinder to move so that the fixed unlocking mechanism is in an unlocked state.

3. The fixed unlock mechanism of claim 2, wherein, The first elastic assembly comprises: a spring; an abutting block, the abutting block comprising an upper part and a lower part connected with the upper part, the size of the upper part being larger than the size of the lower part, the lower part being sleeved in the spring, one end of the spring being fixedly connected with the bottom shell, the lower surface of the upper part of the spring being fixedly connected with the other end of the spring, and under the condition that the first elastic assembly is in the first state, the bottom surface of the lower part has a gap with the bottom shell.

4. The fixed unlock mechanism of claim 2, wherein, There is a gap between the lock cylinder and the rotating plate.

5. The fixed unlock mechanism of claim 3, wherein, The bottom shell is provided with a mounting seat, a sliding channel is formed in the mounting seat, the sliding channel is arranged along the vertical direction of the mounting seat, a through hole is formed in the mounting seat, the through hole is arranged along the horizontal direction of the mounting seat, the through hole divides the sliding channel into an upper sliding channel and a lower sliding channel, the lock cylinder is located in the upper sliding channel, the first elastic assembly is located in the lower sliding channel, the rotating plate at least partially passes through the through hole, the lock cylinder can move in the upper sliding channel, and the first elastic assembly can move in the lower sliding channel.

6. The fixed unlock mechanism of claim 1, wherein, The fixed unlocking mechanism comprises a rotating shaft, the rotating shaft penetrating through the rotating plate and being connected with the rotating plate, and the rotating plate rotates relative to the rotating shaft.

7. The fixed unlock mechanism of claim 6, wherein, The fixed unlocking mechanism comprises a second elastic member, the second elastic member being arranged around the rotating shaft, and the second elastic member is used to apply elastic force to the rotating shaft so that the rotating plate has a tendency to drive the fixed unlocking assembly to realize fixing.

8. The fixed unlock mechanism of claim 7, wherein, The second elastic member is a torsion spring.

9. An evaporation canister characterized by, It comprises: a tank body; and The fixed unlocking mechanism according to any one of claims 1 to 8 is arranged on the tank body.

10. An anaesthesia machine characterised in that, It comprises: a machine body; and The evaporation tank according to claim 9 is arranged on the machine body, and the evaporation tank and the machine body are detachably connected.

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