Automatic locking door opening and closing mechanism of steam sterilizer

Abstract

The utility model relates to the technical field of steam sterilizers, in particular to an automatic door opening and closing locking mechanism of a steam sterilizer. The device comprises a sterilizer cavity and a sealing door used for sealing the sterilizer cavity, the sealing door is hinged to the sterilizer cavity, and an opening and closing action mechanism used for driving the sealing door to rotate is fixedly connected to the sterilizer cavity; the outer side wall of the sterilizer cavity is rotationally connected with a plurality of clamping jaws for hooking and clamping a sealing door, and the sterilizer cavity is fixedly connected with a locking action mechanism for driving the clamping jaws to rotate simultaneously. The sealing door of the device can be automatically opened and closed and can be automatically unlocked and locked, before the sealing door can be automatically opened, the sealing door can be automatically unlocked, the sealing door can be automatically closed and the sealing door can be automatically locked, manual operation is not needed, and workers are prevented from being scalded by steam when the sealing door is opened and closed; the electromagnetic lock and the air pressure lock form double safety protection measures, and are safer and more reliable.

Description

TECHNICAL FIELD

[0001] The utility model relates to a steam sterilizer technical field, specifically is a kind of automatic locking switch door mechanism of steam sterilizer. BACKGROUND

[0002] Vertical upper flip cover steam sterilizer is the equipment that utilizes saturated steam to carry out rapid and reliable disinfection and sterilization to goods, is suitable for disinfection and sterilization to medical instrument, dressing, glassware, solution culture medium etc., and is ideal sterilization equipment.

[0003] The traditional method of steam sterilizer door locking mode is all manually locked and manually switched cover mode, and the traditional manual locking and manually switched cover mode can be easily opened by human, and at this time, the high-pressure steam and high-temperature water in the pressure vessel are sprayed outwards when the sealed door is opened, which can easily scald the operator, so it is very dangerous, and the manual locking operation is complicated.

[0004] Chinese patent CN202120744501.6 discloses an automatic door structure of steam sterilizer, and the announcement number CN215671784U. The steam sterilizer comprises a sterilizer cylinder body, a hinge seat is fixedly arranged on the outer circumference of the upper end of the sterilizer cylinder body, and a fixed ear assembly is arranged on the hinge seat; a bridge assembly is fixedly arranged on the door body, and the fixed ear assembly is rotationally connected with the door body through the bridge assembly; a push rod fixing seat is fixedly arranged on the cylinder body, and the end of the electric push rod is rotationally connected with the push rod fixing seat; and the push rod top end of the electric push rod is rotationally connected with the bridge assembly. However, the steam sterilizer has some defects: the steam sterilizer can only automatically open and close the sealed door of the sterilizer, and cannot automatically lock the sealed door. UTILITY MODEL CONTENTS

[0005] In order to solve the above problems of the prior art, the utility model provides an automatic locking switch door mechanism of steam sterilizer, which can automatically open and close the sealed door, automatically unlock and lock the sealed door, and avoid scalding the operator when opening and closing the sealed door.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: an automatic locking switch door mechanism of steam sterilizer, comprising a sterilizer cavity, a sealed door for sealing the sterilizer cavity, the sealed door being hinged to the sterilizer cavity, a opening and closing action mechanism for driving the sealed door to rotate being fixedly connected to the sterilizer cavity; a plurality of clamping claws for hooking the sealed door being rotationally connected to the outer side wall of the sterilizer cavity, and a locking action mechanism for driving the clamping claws to rotate simultaneously being fixedly connected to the sterilizer cavity.

[0007] The above structure design can automatically open and close the sealed door, and automatically unlock and lock the sealed door.

[0008] Preferably, the opening and closing mechanism comprises a hinge seat fixedly connected to the outer side wall of the sterilizer cavity, a hinge shaft rotatably connected to the hinge seat, a first power rod and a second power rod fixedly connected to the hinge shaft, a first electric push rod hingedly connected to the first power rod, and the second power rod is fixedly connected to the sealing door, and the first electric push rod is fixedly connected to the outer side wall of the sterilizer cavity.

[0009] With the above structure design, the sealing door is controlled to open and close by the electric push rod, which is simple in structure and convenient to operate.

[0010] Preferably, the locking mechanism comprises a driven gear fixedly connected to the claw, an arc-shaped gear rack engaged with the driven gear, a rotating ring fixedly connected to the arc-shaped gear rack, a linkage plate fixedly connected to the rotating ring, and a second electric push rod hingedly connected to the linkage plate, and the rotating ring is rotatably connected to the outer side wall of the sterilizer cavity.

[0011] With the above structure design, multiple claws can be driven to rotate simultaneously, the claws are hooked on the sealing plate, and the claws are reversely rotated to unlock the sealing plate.

[0012] Preferably, a control panel electrically connected to the first electric push rod and the second electric push rod is fixedly connected to the outer side wall of the sterilizer cavity, a first micro switch electrically connected to the first electric push rod is fixedly connected to the hinge seat, a second micro switch electrically connected to the second electric push rod is fixedly connected to the outer side wall of the sterilizer cavity, and a third micro switch electrically connected to the first electric push rod is fixedly connected to the outer side wall of the sterilizer cavity.

[0013] With the above structure design, through multiple micro switches, the sealing door can be automatically unlocked before being automatically opened, and the sealing door can be automatically locked after being automatically closed.

[0014] Preferably, an electromagnetic lock is fixedly connected to the outer side wall of the sterilizer cavity, a lock hole matched with the electromagnetic lock is formed in the rotating ring, and a fourth micro switch electrically connected to the electromagnetic lock is fixedly connected to the outer side wall of the sterilizer cavity.

[0015] With the above structure design, the electromagnetic lock increases a double safety protection measure after locking the rotating ring.

[0016] Preferably, an air pressure lock is arranged on the sterilizer cavity, a jack hole matched with the air pressure lock is formed in the rotating ring, a first inductor is arranged above the air pressure lock, and the first inductor is fixedly connected to the rotating ring.

[0017] With the above structure design, the electromagnetic lock and the air pressure lock constitute a double safety protection measure, which is more safe and reliable.

[0018] Compared with the prior art, the utility model has the advantages of

[0019] The sealing door of the device can be automatically opened and closed, and can be automatically unlocked and locked. Before the sealing door is automatically opened, the sealing door can be automatically unlocked. The sealing door can be automatically closed and locked, and manual operation is not needed, so that the operator is not scalded by steam when opening and closing the sealing door. The electromagnetic lock and the air pressure lock constitute double safety protection measures, which are more safe and reliable. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 The utility model provides a structure schematic drawing of the utility model;

[0021] Figure 2 The utility model provides a structure schematic drawing of the utility model part explosion;

[0022] Figure 3 The utility model provides a structure schematic drawing of the second electric push rod;

[0023] Figure 4 The utility model provides a structure schematic drawing of the electromagnetic lock;

[0024] Figure 5 The utility model provides a structure schematic drawing of the front view; DETAILED DESCRIPTION

[0025] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 The utility model provides a technical scheme: an automatic locking door opening and closing mechanism of steam sterilizer, including sterilizer cavity 1, be used for sealing the sealing door 2 of sterilizer cavity 1, the sealing door 2 is hinged on the sterilizer cavity 1, the sterilizer cavity 1 is fixedly connected for driving the opening and closing action mechanism of sealing door 2 rotation;The outer wall of the sterilizer cavity 1 is rotatably connected with a plurality of pawls 3 for hooking the sealing door, and the sterilizer cavity 1 is fixedly connected with a locking action mechanism for driving the pawl 3 to rotate simultaneously.

[0026] Please refer to Figure 1 、 Figure 2 The opening and closing action mechanism includes a hinged seat 41 fixedly connected to the outer side wall of the sterilizer cavity 1, a hinged shaft 42 rotatably connected to the hinged seat 41, a first power rod 43 and a second power rod 44 fixedly connected to the hinged shaft 42, a first electric push rod 4 hinged to the first power rod 43, and the second power rod 44 fixedly connected to the sealing door 2. The included angle between the first power rod 43 and the second power rod 44 is obtuse, and the first electric push rod 4 is fixedly connected to the outer side wall of the sterilizer cavity 1.

[0027] Please refer to Figure 2 , Figure 3 , the locking mechanism includes a driven gear 51 fixedly connected to the pawl 3, an arc-shaped rack 52 engaged with the driven gear 51, a rotating ring 53 fixedly connected with the arc-shaped rack 52, a linkage plate 54 fixedly connected to the rotating ring 53, and a second electric push rod 5 hinged to the linkage plate 54. The rotating ring 53 is rotatably connected to the outer side wall of the sterilizer cavity 1, and the lower end of the pawl 3 is rotatably connected to a rotating seat 31 fixedly connected to the outer side wall of the sterilizer cavity 1.

[0028] In this embodiment, four pawls 3 are arranged along the sterilizer cavity 1 at equal intervals, and correspondingly, four driven gears 51 and four arc-shaped racks 52 are arranged, one pawl 3 corresponding to one driven gear 51 and one arc-shaped rack 52. The arc-shaped rack 52 is fixedly connected to the rotating ring 53, and when the rotating ring 53 rotates by a certain angle, the arc-shaped rack 52 also rotates by a certain angle, thereby driving the driven gear 53 engaged with the arc-shaped rack 52 to rotate, and the pawl 3 can be rotated by 90 degrees in both directions.

[0029] Please refer to Figure 1 , Figure 2 , Figure 3 , the outer side wall of the sterilizer cavity 1 is fixedly connected with a control panel 6 electrically connected with the first electric push rod 4 and the second electric push rod 5, the hinged seat 41 is fixedly connected with a first micro switch 71 electrically connected with the first electric push rod 4, the outer side wall of the sterilizer cavity 1 is fixedly connected with a second micro switch 72 electrically connected with the second electric push rod 5, and the outer side wall of the sterilizer cavity 1 is fixedly connected with a third micro switch 73 electrically connected with the first electric push rod 4. The rotating ring 53 is fixedly connected with a first trigger plate 711 for touching the first micro switch 71.

[0030] The third micro switch 73 is fixedly connected below the first power rod 43, and when the first power rod 43 rotates clockwise by a certain angle, the first power rod 43 touches the third micro switch 73. The second micro switch 72 is arranged below the second power rod 44, and when the second power rod 44 rotates counterclockwise by a certain angle, the second power rod 44 can touch the second micro switch 72.

[0031] Please refer to Figure 5, the sterilizer cavity 1 on the outside wall is fixedly connected with the control panel 6 electrically connected electromagnetic lock 8, electromagnetic lock 8 and control panel 6 electrically connected, the rotating ring 53 is opened and matched with the lock hole 81 of the electromagnetic lock 8, the diameter of the lock hole 81 is greater than the diameter of the lock rod of the electromagnetic lock 8, and the fourth micro switch 84 electrically connected with the electromagnetic lock 8 is fixedly connected on the outside wall of the sterilizer cavity 1. The fourth trigger plate 85 for touching the fourth micro switch 84 is fixedly connected on the rotating ring 53.

[0032] Please see Figure 4 , the sterilizer cavity 1 on the outside wall is fixedly connected with the control panel 6 electrically connected electromagnetic lock 8, electromagnetic lock 8 and control panel 6 electrically connected, the rotating ring 53 is opened and matched with the lock hole 81 of the electromagnetic lock 8, the diameter of the lock hole 81 is greater than the diameter of the lock rod of the electromagnetic lock 8, and the fourth micro switch 84 electrically connected with the electromagnetic lock 8 is fixedly connected on the outside wall of the sterilizer cavity 1. The fourth trigger plate 85 for touching the fourth micro switch 84 is fixedly connected on the rotating ring 53.

[0033] Working principle:

[0034] When the sterilizer exhaust is not completed, the internal pressure of the sterilizer is greater than 0MPa, the first inductor 92 has induction, at this time, the staff operates the control panel 6, the second electric push rod 5 will not start, when the sterilizer exhaust is completed, the air pressure lock 91 is unlocked, the first inductor 92 has no induction, at this time, the staff operates the control panel 6, the second electric push rod 5 will start, the air pressure lock 9 can be suddenly powered off in the running process, and the pressure and power-off condition can guarantee that the sealing door 2 cannot be opened.

[0035] When the sealed door 2 needs to be opened, the staff operates the control panel 6, the control panel 6 sends a signal to unlock the electromagnetic lock 8, the locking rod of the electromagnetic lock 8 leaves the locking hole 81, the second electric push rod 5 extends to push the rotating ring 53 to rotate, the arc-shaped rack 52 on the rotating ring 53 drives the driven gear 51 to rotate, and then the clamping jaw 3 rotates by 90 degrees, the clamping jaw 3 no longer hooks the sealed door 2, the rotating ring 53 rotates to drive the first trigger plate 711 to leave the first micro switch 71, the first micro switch 71 sends an electric signal to the first electric push rod 4, the first electric push rod 4 starts to contract, the sealed door 2 is opened, and when the first power rod 43 touches the third micro switch 73, the third micro switch 73 sends an electric signal to the first electric push rod 4, the first electric push rod 4 stops contracting, and the sealed door 2 is in an open state.

[0036] When the sealed door 2 needs to be closed, the staff operates the control panel 6, the control panel 6 sends an electric signal to the first electric push rod 4, the first electric push rod 4 extends, and the sealed door 2 is closed, when the second power rod 44 touches the second micro switch 72, the second electric push rod 5 starts to contract, the rotating ring 53 reversely rotates, the arc-shaped rack 52 on the rotating ring 53 drives the driven gear 51 to rotate, and then the clamping jaw 3 reversely rotates by 90 degrees to lock the sealed door 2, at this time, the fourth trigger plate 85 touches the fourth micro switch 84, and the electromagnetic lock 8 is started, and the locking rod of the electromagnetic lock 8 is inserted into the locking hole 81.

[0037] The structures, proportions, sizes and the like shown in the drawings of the specification are only used to cooperate with the content disclosed in the specification, to be understood and read by those skilled in the art, and do not have technical substantial significance, and any modification of the structure, change of the proportional relationship or adjustment of the size, without affecting the effects and purposes that can be achieved by the utility model, should still fall within the scope of the technical content disclosed by the utility model. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" in the specification are only for the convenience of clear description, and are not used to limit the scope of the utility model, and the change of the relative relationship, without substantially changing the technical content, is also regarded as the scope of the utility model.

[0038] The utility model has been described above with reference to the preferred embodiments, but the protection scope of the utility model is not limited thereto, and all the technical solutions falling within the scope of the claims are within the protection scope of the utility model. Various improvements can be made to the utility model and equivalent components can be replaced without departing from the scope of the utility model. In particular, as long as there is no structural conflict, the technical features mentioned in each embodiment can be combined in any way.

Claims

1. An automatic locking door opening mechanism of a steam sterilizer comprising a sterilizer chamber (1), a sealing door (2) for sealing the sterilizer chamber (1), characterized in that: The sealing door (2) is hinged on the sterilizer cavity (1), and a opening and closing mechanism for driving the sealing door (2) to rotate is fixedly connected to the sterilizer cavity (1); a plurality of clamping claws (3) for clamping the sealing door are rotatably connected to the outer side wall of the sterilizer cavity (1), and a locking mechanism for driving the clamping claws (3) to rotate simultaneously is fixedly connected to the sterilizer cavity (1).

2. An automatic locking door opening mechanism for a steam sterilizer according to claim 1, characterized in that: The opening and closing mechanism comprises a hinge seat (41) fixedly connected to the outer side wall of the sterilizer cavity (1), a hinge shaft (42) rotatably connected to the hinge seat (41), a first power rod (43) and a second power rod (44) fixedly connected to the hinge shaft (42), a first electric push rod (4) hinged to the first power rod (43), and the second power rod (44) is fixedly connected to the sealing door (2), and the first electric push rod (4) is fixedly connected to the outer side wall of the sterilizer cavity (1).

3. An automatic locking door switch mechanism for a steam sterilizer according to claim 2, characterized in that: The locking mechanism comprises a driven gear (51) fixedly connected to the clamping claw (3), an arc-shaped gear rack (52) engaged with the driven gear (51), a rotating ring (53) fixedly connected with the arc-shaped gear rack (52), a linkage plate (54) fixedly connected to the rotating ring (53), and a second electric push rod (5) hinged to the linkage plate (54), and the rotating ring (53) is rotatably connected to the outer side wall of the sterilizer cavity (1).

4. An automatic locking door opening mechanism for a steam sterilizer according to claim 3, characterized in that: A control panel (6) electrically connected with the first electric push rod (4) and the second electric push rod (5) is fixedly connected to the outer side wall of the sterilizer cavity (1), a first micro switch (71) electrically connected with the first electric push rod (4) is fixedly connected to the hinge seat (41), a second micro switch (72) electrically connected with the second electric push rod (5) is fixedly connected to the outer side wall of the sterilizer cavity (1), and a third micro switch (73) electrically connected with the first electric push rod (4) is fixedly connected to the outer side wall of the sterilizer cavity (1).

5. An automatic locking door opening mechanism for a steam sterilizer according to claim 4, characterized in that: An electromagnetic lock (8) is fixedly connected to the outer side wall of the sterilizer cavity (1), a lock hole (81) matched with the electromagnetic lock (8) is formed in the rotating ring (53), and a fourth micro switch (84) electrically connected with the electromagnetic lock (8) is fixedly connected to the outer side wall of the sterilizer cavity (1).

6. An automatic locking door switch mechanism for a steam sterilizer according to claim 4, characterized in that: An air pressure lock (9) is arranged on the sterilizer cavity (1), an insertion hole (91) matched with the air pressure lock (9) is formed in the rotating ring (53), a first inductor (92) is arranged above the air pressure lock (9), and the first inductor (92) is fixedly connected to the rotating ring (53).

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