CN220585092U - Switch protection architecture - Google Patents

Abstract

The utility model relates to the technical field of kitchen appliances, in particular to a switch protection structure; the machine comprises a machine body and a cabinet door, wherein a lock catch structure, a push rod and a micro switch are arranged on the machine body, and the upper end of the push rod is movably arranged in the lock catch structure in a penetrating manner; the push rod is matched and connected with the triggering end of the micro switch through a spring, and when the cabinet door closes the opening of the machine body, the cabinet door is matched and connected with the locking structure so that the push rod triggers the micro switch through the spring; according to the switch protection structure, the push rod is arranged in the lock catch structure and can be pushed only when the cabinet door is closed, so that hands are prevented from actively and mistakenly triggering through the push rod; after the cabinet door is closed to enable the push rod to be in place, the spring triggers the micro switch to avoid rigid transmission to damage the micro switch, so that the problem of poor contact of the micro switch is prevented, and the reliability of a product is improved.

Description

Switch protection architecture

Technical Field

The utility model relates to the technical field of kitchen appliances, in particular to a switch protection structure.

Background

The current kitchen appliances are generally configured with a safety control mechanism for changing the on-off mode of a circuit of the appliance in a working state and a standby state, preventing the false triggering situation of the appliance in the standby state and avoiding causing safety risks. As disclosed in chinese patent CN218899224U, a bean box structure is provided, a control switch is connected to the bean box, and a trigger part for triggering the control switch is provided on the movable door; when the movable door rotates to the opening of the bean outlet, the trigger part acts on the control switch, and the circuit is connected to execute the subsequent bean grinding action; when the movable door rotates to the bean outlet to be closed, the trigger part leaves the control switch, and the circuit is disconnected and cannot execute bean grinding action.

In the existing safety control mechanism, the triggering part is usually a movable push rod, and the control switch is usually a micro switch. Chinese patent CN216494984U discloses a trigger device and a food material processor comprising: the micro switch is arranged on the bracket and is positioned below the first water draining platform; the trigger assembly comprises a trigger rod penetrating through the first water draining platform and an elastic piece sleeved on the trigger rod, and under the action of external force, the trigger rod can move towards the micro switch relative to the first water draining platform and trigger the micro switch; the elastic piece is used for enabling the trigger rod to reset after external force acting on the trigger rod is withdrawn, and the trigger rod releases the trigger of the micro switch.

The existing structure of the cooperation of the push rod and the micro switch is that when an action part such as a door is opened, the push rod is exposed, the push rod and the micro switch can be driven by hand pressing, and safety risks still exist. The push rod is used as an action executive component, manufacturing and assembling tolerances exist, the micro switch can be damaged due to overlong stroke of the push rod, poor contact can be caused due to overlong stroke of the push rod, and the stability and reliability of the safety control mechanism are insufficient.

Accordingly, the prior art is still in need of improvement and development.

Disclosure of Invention

Aiming at the defects and shortcomings of the prior art, the utility model provides a switch protection structure which is reasonable in structure, is prevented from being triggered by mistake and prolongs the service life.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model relates to a switch protection structure, which comprises a machine body and a cabinet door, wherein the machine body is provided with a lock catch structure, a push rod and a micro switch, and the upper end of the push rod is movably arranged in the lock catch structure in a penetrating manner; the push rod is connected with the triggering end of the micro-switch in a matched mode through a spring, and when the cabinet door closes the opening of the machine body, the cabinet door is connected with the locking structure in a matched mode, so that the push rod triggers the micro-switch through the spring. The push rod is internally provided with the lock catch structure, and can be pushed only when the cabinet door is closed, so that hands are prevented from actively and mistakenly triggering through the push rod; after the cabinet door is closed to enable the push rod to be in place, the spring triggers the micro switch to avoid rigid transmission to damage the micro switch, so that the problem of poor contact of the micro switch is prevented, and the reliability of a product is improved.

According to the scheme above, the hasp structure includes the padlock seat, all is equipped with the padlock seat on the both sides inner wall of fuselage, is equipped with the locked groove on the padlock seat, the lower extreme of cabinet door rotates with the fuselage through hinge structure to be connected, and the upper end of cabinet door is equipped with the handle, and the both ends of handle all are equipped with the lockpin, and the handle rotates through pivot and cabinet door to be connected. The cabinet door is arranged at the opening of the machine body, and the cabinet door is opened or closed through the hinge structure. The lock pin and the rotating shaft are eccentrically arranged, when the cabinet door is closed, the handle is rotated to enable the lock pin to rotate around the rotating shaft, the lock pin is hung into the lock groove to fixedly connect the cabinet door and the machine body, and meanwhile, the lock pin pushes the push rod to trigger the micro switch to be connected with a circuit. Otherwise, the handle is rotated to enable the lock pin to leave the padlock seat, the cabinet door opens the opening of the machine body, and the push rod can automatically reset to enable the micro switch to close the circuit.

According to the scheme, a first through hole is formed in one side wall of the machine body, the push rod is movably arranged on the outer wall of the machine body on the side, the upper end of the push rod is provided with a locking key, and the locking key penetrates through the first through hole so as to movably penetrate through the locking groove. Push rod and micro-gap switch all set up on the fuselage lateral wall, the padlock seat sets up on the fuselage inside wall, the push rod passes through the lockpin cooperation setting on interlocking key and the handle, especially in, interlocking key wears to locate in the locked groove, only can by the lockpin drive can not be pressed by the people and cause the condition of false triggering.

According to the scheme, the utility model further comprises a bracket and a push rod, wherein the bracket is fixedly arranged on the outer wall of one side of the machine body, and the push rod is movably arranged between the bracket and the outer wall of the machine body in a penetrating way; the push rod is movably arranged between the push rod and the support, the push rod is in abutting connection with the upper end of the push rod through a spring, and the lower end of the push rod is in abutting connection with the trigger end of the micro switch. The push rod, the spring and the ejector rod form a trigger mechanism of the micro switch, the support is used for installing the trigger mechanism, an action space exists between the support and the side wall of the machine body, the push rod and the ejector rod can move up and down along the action space, when a lock pin on the handle pushes the push rod to move downwards through the interlocking key, the push rod is pushed downwards to drive the ejector rod through the spring, the ejector rod triggers the trigger end of the micro switch, and the spring can avoid the condition that the micro switch is excessively extruded to cause structural damage.

According to the scheme, the guide cover is arranged on the bracket, and the micro switch is arranged below the guide cover and fixedly connected with the bracket; the push rod is provided with a pressing block, the spring and the push rod are movably arranged in the guide cover in a penetrating manner, and the pressing block, the spring and the push rod are sequentially connected; the lower extreme of direction lid is equipped with the guiding hole, and the ejector pin movably wears to locate the guiding hole, and ejector pin lower extreme is contradicted with micro-gap switch's trigger end and is connected. The guide cover is formed on the support, the guide cover is used for forming an action space of the pressing block, the spring and the ejector rod, the micro switch is arranged on the outer side of the support, and the ejector rod is arranged in a matched mode with the micro switch through the guide hole. The briquetting and ejector pin can follow the inner chamber of direction lid and reciprocate, when the push rod pushes down, the briquetting passes through the spring and downwards promotes the ejector pin and make it trigger micro-gap switch, and the guiding hole can be restricted the action track of ejector pin prevents that the card from being blocked and influencing micro-gap switch's stability.

It can be understood that the guide hole is formed in the bottom plate structure of the guide cover, meanwhile, the bottom plate structure of the guide cover is also used as the travel limit of the ejector rod, namely, the upper end of the ejector rod can be provided with a boss, the diameter of the boss is larger than that of the guide hole, the boss touches the bottom plate structure of the guide cover when the ejector rod is pressed down, and meanwhile, the lower end of the ejector rod is used for triggering the micro switch.

According to the scheme, the hinge structure comprises the folding plates, the folding plates are arranged on two sides of the lower end of the cabinet door, and the hinge terminals are arranged on the folding plates; second through holes are formed in the two side walls of the machine body, and the two hinge terminals penetrate through the corresponding second through holes, so that the lower end of the cabinet door is connected with the machine body in a rotating mode. The hinge terminal on the folding plate is matched with the second through hole on the machine body to form rotary connection, so that the cabinet door is arranged on the opening of the machine body in an openable manner.

According to the scheme, the side wall on one side of the machine body is provided with the sliding groove, and the sliding groove and the second through hole on the side wall are eccentrically arranged; the lower end of the cabinet door is provided with a clamping terminal which is movably arranged through the chute; the lower extreme of push rod is equipped with spacing key, and spacing key and spout pair setting with screens terminal. The clamping terminal and the hinge terminal are eccentrically arranged, and when the cabinet door is opened or closed, the clamping terminal can slide back and forth along the sliding groove. Especially, after the cabinet door is opened, the screens terminal removes the front end of spout and contradicts limit key, and the push rod can not push down this moment, prevents that the staff from promoting the push rod and causing micro-gap switch's mistake to trigger, promotes micro-gap switch's reliability.

According to the switch protection structure, the push rod is arranged in the lock catch structure and can be pushed only when the cabinet door is closed, so that hands are prevented from actively and mistakenly triggering through the push rod; after the cabinet door is closed to enable the push rod to be in place, the spring triggers the micro switch to avoid rigid transmission to damage the micro switch, so that the problem of poor contact of the micro switch is prevented, and the reliability of a product is improved.

Drawings

FIG. 1 is a schematic view of the overall exploded construction of the present utility model;

FIG. 2 is a schematic view of the structure of the cabinet door of the present utility model when closed;

FIG. 3 is a schematic view of the structure of the cabinet door of the present utility model when opened;

fig. 4 is an exploded cross-sectional view of the door of the present utility model when opened.

In the figure:

1. a body; 2. a cabinet door; 3. a push rod; 4. a bracket; 11. a micro-switch; 12. a padlock seat; 13. a locking groove; 14. a first through hole; 15. a second through hole; 16. a chute; 21. a handle; 22. a locking pin; 23. a folding plate; 24. a hinge terminal; 25. a clamping terminal; 31. a spring; 32. a interlock key; 33. briquetting; 34. a limit key; 41. a push rod; 42. and a guide cover.

Detailed Description

The technical scheme of the utility model is described below with reference to the accompanying drawings and examples.

As shown in fig. 1-4, the switch protection structure of the utility model comprises a machine body 1 and a cabinet door 2, wherein the machine body 1 is provided with a locking structure, a push rod 3 and a micro switch 11, and the upper end of the push rod 3 is movably arranged in the locking structure in a penetrating manner; the push rod 3 is connected with the triggering end of the micro switch 11 in a matched mode through a spring 31, and when the cabinet door 2 closes the opening of the machine body 1, the cabinet door 2 is connected with the locking structure in a matched mode, so that the push rod 3 triggers the micro switch 11 through the spring 31. The push rod 3 is arranged in the lock catch structure, and can be pushed only when the cabinet door 2 is closed, so that hands are prevented from actively and mistakenly triggering through the push rod 3; after the cabinet door 2 is closed to enable the push rod 3 to be in place, the spring 31 triggers the micro switch 11 to avoid rigid transmission to damage the micro switch 11, so that the problem of poor contact of the micro switch 11 is prevented, and the reliability of products is improved.

The lock catch structure comprises a padlock seat 12, padlock seats 12 are arranged on the inner walls of two sides of the machine body 1, lock grooves 13 are formed in the padlock seats 12, the lower end of the cabinet door 2 is rotatably connected with the machine body 1 through a hinge structure, a handle 21 is arranged at the upper end of the cabinet door 2, locking pins 22 are arranged at two ends of the handle 21, and the handle 21 is rotatably connected with the cabinet door 2 through a rotating shaft. The cabinet door 2 is installed at the opening of the body 1, and the cabinet door 2 is opened or closed through a hinge structure to the opening of the body 1. The lock pin 22 and the rotating shaft are eccentrically arranged, when the cabinet door 2 is closed, the handle 21 is rotated to enable the lock pin 22 to rotate around the rotating shaft, the lock pin 22 is hung into the lock groove 13 to fixedly connect the cabinet door 2 with the machine body 1, and meanwhile, the lock pin 22 pushes the push rod 3 to trigger the micro switch 11 to switch on a circuit. Conversely, the handle 21 is rotated to enable the lock pin 22 to leave the padlock seat 12, and at the moment, the cabinet door 2 opens the opening of the machine body 1, and the push rod 3 can be automatically reset to enable the micro switch 11 to close the circuit.

A first through hole 14 is formed in one side wall of the machine body 1, the push rod 3 is movably arranged on the outer wall of the machine body 1 on the side, a locking key 32 is arranged at the upper end of the push rod 3, and the locking key 32 penetrates through the first through hole 14 so as to be movably arranged in the locking groove 13 in a penetrating mode. The push rod 3 and the micro switch 11 are both arranged on the outer side wall of the machine body 1, the padlock seat 12 is arranged on the inner side wall of the machine body 1, and the push rod 3 is matched with the lock pin 22 on the handle 21 through the interlocking key 32, and particularly, the interlocking key 32 is arranged in the lock groove 13 in a penetrating way, and can only be driven by the lock pin 22, so that false triggering caused by pressing by a human hand is avoided.

The utility model also comprises a bracket 4 and a push rod 41, wherein the bracket 4 is fixedly arranged on the outer wall of one side of the machine body 1, and the push rod 3 is movably arranged between the bracket 4 and the outer wall of the machine body 1 in a penetrating way; the ejector rod 41 is movably arranged between the ejector rod 3 and the bracket 4, the ejector rod 3 is in abutting connection with the upper end of the ejector rod 41 through the spring 31, and the lower end of the ejector rod 41 is in abutting connection with the trigger end of the micro switch 11. The push rod 3, the spring 31 and the ejector rod 41 form a trigger mechanism of the micro switch 11, the support 4 is used for installing the trigger mechanism, an action space exists between the support 4 and the side wall of the machine body 1, the push rod 3 and the ejector rod 41 can move up and down along the action space, when the lock pin 22 on the handle 21 pushes the push rod 3 to move downwards through the interlocking key 32, the push rod 3 pushes down the ejector rod 41 through the spring 31, the ejector rod 41 triggers the trigger end of the micro switch 11, and the spring 31 can avoid the condition that the micro switch 11 is excessively extruded to cause structural damage.

The support 4 is provided with a guide cover 42, and the micro switch 11 is arranged below the guide cover 42 and fixedly connected with the support 4; the push rod 3 is provided with a pressing block 33, the spring 31 and the push rod 41 are movably arranged in the guide cover 42 in a penetrating manner, and the pressing block 33, the spring 31 and the push rod 41 are sequentially connected; the lower end of the guide cover 42 is provided with a guide hole 43, the ejector rod 41 movably penetrates through the guide hole 43, and the lower end of the ejector rod 41 is in abutting connection with the triggering end of the micro switch 11. The guide cover 42 is formed on the support 4, the guide cover 42 is used for forming an action space of the pressing block 33, the spring 31 and the ejector rod 41, the micro switch 11 is arranged on the outer side of the support 4, and the ejector rod 41 is arranged in a matched mode with the micro switch 11 through the guide hole 43. The pressing block 33 and the ejector rod 41 can move up and down along the inner cavity of the guide cover 42, when the push rod 3 is pressed down, the pressing block 33 pushes the ejector rod 41 downwards through the spring 31 to trigger the micro switch 11, the guide hole 43 can limit the action track of the ejector rod 41, and the stability of the micro switch 11 is prevented from being influenced by blocking.

It can be understood that the guide hole 43 is formed on the bottom plate structure of the guide cover 42, and meanwhile, the bottom plate structure of the guide cover 42 is also used as a travel limit of the ejector rod 41, that is, a boss can be disposed at the upper end of the ejector rod 41, the diameter of the boss is larger than that of the guide hole 43, when the ejector rod 41 is pressed down, the boss touches the bottom plate structure of the guide cover 42, and meanwhile, the lower end of the ejector rod 41 triggers the micro switch 11.

The hinge structure comprises a folding plate 23, the two sides of the lower end of the cabinet door 2 are provided with the folding plate 23, and the folding plate 23 is provided with a hinge terminal 24; second through holes 15 are formed in the two side walls of the machine body 1, and two hinge terminals 24 penetrate through the corresponding second through holes 15, so that the lower end of the cabinet door 2 is rotatably connected with the machine body 1. The hinge terminal 24 on the folding plate 23 is matched with the second through hole 15 on the machine body 1 to form a rotary connection, so that the cabinet door 2 is arranged on the opening of the machine body 1 in an openable and closable manner.

A chute 16 is formed in the side wall of one side of the machine body 1, and the chute 16 and a second through hole 15 in the side wall are eccentrically arranged; the lower end of the cabinet door 2 is provided with a clamping terminal 25, and the clamping terminal 25 movably penetrates through the sliding groove 16; the lower extreme of push rod 3 is equipped with spacing key 34, and spacing key 34 and spout 16 and screens terminal 25 pair and set up. The clamping terminal 25 is eccentrically arranged with the hinge terminal 24, and when the cabinet door 2 is opened or closed, the clamping terminal 25 can slide back and forth along the chute 16. Especially, when cabinet door 2 is opened, screens terminal 25 removes the front end of spout 16 and contradicts limit key 34, and push rod 3 can not push down this moment, prevents that the staff from pushing push rod 3 from causing micro-gap switch 11's mistake to trigger, promotes micro-gap switch 11's reliability.

The foregoing description is only of the preferred embodiments of the utility model, and all changes and modifications that come within the meaning and range of equivalency of the structures, features and principles of the utility model are therefore intended to be embraced therein.

Claims (7)

1. A switch protection structure comprises a machine body and a cabinet door, and is characterized in that,

the machine body is provided with a lock catch structure, a push rod and a micro switch, and the upper end of the push rod is movably arranged in the lock catch structure in a penetrating manner;

the push rod is connected with the triggering end of the micro-switch in a matched mode through a spring, and when the cabinet door closes the opening of the machine body, the cabinet door is connected with the locking structure in a matched mode, so that the push rod triggers the micro-switch through the spring.

2. The switch protection structure according to claim 1, wherein the locking structure comprises a padlock seat, padlock seats are arranged on inner walls of two sides of the machine body, a locking groove is arranged on the padlock seat, the lower end of the cabinet door is rotatably connected with the machine body through a hinge structure, a handle is arranged at the upper end of the cabinet door, locking pins are arranged at two ends of the handle, and the handle is rotatably connected with the cabinet door through a rotating shaft.

3. The switch protecting structure according to claim 2, wherein a first through hole is formed in a side wall of the body, the push rod is movably disposed on an outer wall of the body at the side, and a locking key is disposed at an upper end of the push rod and penetrates through the first through hole to be movably disposed in the locking groove.

4. The switch protecting structure according to claim 3, further comprising a bracket and a push rod, wherein the bracket is fixedly arranged on the outer wall of one side of the body, and the push rod is movably arranged between the bracket and the outer wall of the body in a penetrating manner; the push rod is movably arranged between the push rod and the support, the push rod is in abutting connection with the upper end of the push rod through a spring, and the lower end of the push rod is in abutting connection with the trigger end of the micro switch.

5. The switch protection structure according to claim 4, wherein the support is provided with a guide cover, and the micro switch is arranged below the guide cover and fixedly connected with the support; the push rod is provided with a pressing block, the spring and the push rod are movably arranged in the guide cover in a penetrating manner, and the pressing block, the spring and the push rod are sequentially connected; the lower extreme of direction lid is equipped with the guiding hole, and the ejector pin movably wears to locate the guiding hole, and ejector pin lower extreme is contradicted with micro-gap switch's trigger end and is connected.

6. The switch protecting structure according to claim 2, wherein the hinge structure comprises a hinge plate, hinge terminals are provided on the hinge plate, and the hinge plate is provided on both sides of the lower end of the cabinet door; second through holes are formed in the two side walls of the machine body, and the two hinge terminals penetrate through the corresponding second through holes, so that the lower end of the cabinet door is connected with the machine body in a rotating mode.

7. The switch protecting structure according to claim 6, wherein a chute is formed on a side wall of one side of the body, and the chute is eccentrically arranged with the second through hole on the side wall; the lower end of the cabinet door is provided with a clamping terminal which is movably arranged through the chute; the lower extreme of push rod is equipped with spacing key, and spacing key and spout pair setting with screens terminal.