CN114098998B

CN114098998B - Ejecting device

Info

Publication number: CN114098998B
Application number: CN202010898553.9A
Authority: CN
Inventors: 李响; 卢战胜; 吴泽民; 娄光绪
Original assignee: Territory Health Innovation Medical Technology Chengdu Co Ltd
Current assignee: Territory Health Innovation Medical Technology Chengdu Co Ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2023-08-01
Anticipated expiration: 2040-08-31
Also published as: TW202210031A; TWI800753B; CN114098998A

Abstract

An ejecting device comprises a bottom plate, a sliding component, an ejecting piece arranged on the sliding component and a limiting component; the sliding component and the ejection component are both arranged on the bottom plate and slide along the bottom plate, the sliding directions of the sliding component and the ejection component are consistent, the sliding component is used for detachably connecting the ejection component with the sliding component and the ejection component when the sliding component slides along the locking direction, and the sliding component and the ejection component are also used for controlling the ejection component to eject when the sliding component slides along the ejection direction; the limiting assembly comprises a first limiting part and a second limiting part, the first limiting part is arranged on the pop-up piece, the second limiting part is arranged on the bottom plate and is positioned on at least one side of the pop-up piece, and attractive forces are arranged between the corresponding first limiting part and the second limiting part and used for controlling the pop-up process of the pop-up piece. The ejecting device provided by the invention has smoother ejection of the ejecting piece and controllable ejection distance.

Description

Ejecting device

Technical Field

The present invention relates to an ejector.

Background

Most of the pop-up structures of the blood oxygen modules are card slot pop-up structures, and the card slot pop-up structures are fixed by screws. When the user fixes the blood oxygen module or takes out the blood oxygen module, the screw needs to be installed or detached, and the operation is complex. Further, the card slot ejecting structure is used, and the blood oxygen module and the card slot ejecting mechanism are provided with height differences, so that the whole structure is large in size.

On the other hand, the ejection amount cannot be controlled by the traditional clamping groove ejection structure, and in the ejection process, the blood oxygen module can be ejected rapidly under the action of no external force, and the ejection process is not easy to control, so that the ejection mechanism is difficult to normally take out and is easy to break.

Disclosure of Invention

In view of the foregoing, it is necessary to provide an ejecting apparatus that ejects automatically and the ejecting process is smoothly controllable.

The invention provides an ejecting device, which comprises a bottom plate; the sliding component is arranged on the bottom plate in a sliding manner; the ejection assembly is arranged on the bottom plate in a sliding manner, the sliding direction of the sliding assembly is the same as that of the ejection assembly, the sliding assembly and the ejection assembly are sequentially arranged along the sliding direction, the direction from the ejection assembly to the sliding assembly is defined as an ejection direction, and the opposite direction of the ejection direction is a locking direction; an ejector on the slide assembly, the ejector being located on one side of the slide assembly, the slide assembly being configured to detachably connect the ejector to the slide assembly and the ejector when slid in the locking direction, the slide assembly and the ejector also being configured to control ejection of the ejector when slid in the ejecting direction; and the limiting assembly comprises at least one first limiting part and at least one second limiting part corresponding to the first limiting part, the first limiting part is arranged on the pop-up piece, the second limiting part is arranged on the bottom plate, attractive force is generated between the corresponding first limiting part and the second limiting part, and the attractive force is used for controlling the pop-up process of the pop-up piece.

In this embodiment, the sliding assembly includes a sliding plate, a first elastic member and a limiting rod; the top surface of the sliding plate is provided with a sliding-in channel and a sliding-out channel, the sliding-in channel is communicated with the sliding-out channel, one end of the first elastic piece is fixedly connected with the bottom plate, and the other end of the first elastic piece is connected with the sliding plate; one end of the limiting rod is fixedly connected with the bottom plate, the other end of the limiting rod is used for sequentially sliding in the sliding-in channel and the sliding-out channel when the sliding plate slides along the locking direction, the first elastic piece is used for being stretched or compressed when the sliding plate slides along the locking direction, and the first elastic piece is further used for driving the sliding plate to return to an initial state.

In this embodiment, the sliding plate is kept away from the tip rotation of ejecting assembly is connected with buckle structure, the ejector corresponds buckle structure is equipped with the draw-in groove, buckle structure be used for with the draw-in groove block makes the ejector with sliding assembly detachably connects.

In this embodiment, first slide has been seted up to the bottom plate, first slide with form a step between the bottom plate, the bottom surface of sliding plate be equipped with the first slider of first slide block, buckle structure with first slider rotates to be connected, first slider is used for driving buckle structure follows first slide removes, buckle structure is used for moving to rotate and deviate from during step department the draw-in groove.

In this embodiment, the bottom plate corresponds step department is equipped with the adsorption equipment, the adsorption equipment is used for adsorbing buckle structure makes buckle structure rotates and deviate from the draw-in groove.

In this embodiment, spacing subassembly still includes third spacing portion, third spacing portion is located the slip subassembly below on the bottom plate, third spacing portion is used for adsorbing the slip subassembly, thereby control the ejecting process of ejector.

In this embodiment, the slot has been seted up to the ejector, ejecting subassembly include ejecting mainboard and set up in ejector pin on the ejecting mainboard, the ejector pin is used for inserting in the slot so that ejector detachably connect with the slip subassembly.

In this embodiment, the ejector assembly further includes a guide rod disposed at one end of the ejector main board, which is far away from the sliding assembly, and a second elastic member sleeved on the guide rod; the bottom plate is provided with a baffle, and the second elastic piece is elastically propped between the ejection main plate and the baffle; the second elastic piece is used for being compressed when the sliding assembly slides along the locking direction, and the second elastic piece is also used for pushing the ejector to eject.

In this embodiment, the first limiting portion and the second limiting portion are both magnets.

In this application embodiment, the bottom plate is kept away from the one end of ejecting subassembly is equipped with a riser, an opening has been seted up on the riser, the ejector can be passed through the opening pops out.

Compared with the prior art, the ejecting device provided by the invention has the advantages that the structure is simple and small, the operation is convenient, the ejecting part is convenient to take out, the automatic ejection of the ejecting part can be realized, the ejecting process (such as the ejecting speed and the ejecting distance) of the ejecting part can be controlled by arranging the limiting component, the smoothness of the ejecting process of the ejecting part is ensured, and the accidental ejection damage of the ejecting part caused by the too fast ejection is avoided.

Drawings

Fig. 1 is an exploded view of an ejector according to an embodiment of the present invention.

Fig. 2 is a cross-sectional view of an ejector according to an embodiment of the present invention.

Fig. 3 is an operation state diagram of a sliding assembly of an ejector according to an embodiment of the present invention.

Fig. 4 is another operational state diagram of a sliding assembly of an ejector according to an embodiment of the present invention.

Fig. 5 is a working state diagram of an ejecting device according to an embodiment of the present invention.

Fig. 6 is another operational state diagram of the ejector according to an embodiment of the present invention.

Description of the main reference signs

The invention will be further described in the following detailed description in conjunction with the above-described figures.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

The system embodiments described below are merely illustrative, and the division of the modules or circuits is merely a logical function division, and other manners of division may be implemented in practice. Furthermore, it is evident that the word "comprising" does not exclude other elements or steps, and that the singular does not exclude a plurality. Multiple units or means recited in the system claims may also be implemented by means of software or hardware by means of one and the same unit or means. The terms first, second, etc. are used to denote a name, but not any particular order.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 6, an ejector 1000 according to an embodiment of the invention is provided, wherein the ejector 1000 includes a base plate 10, a sliding component 20 slidably disposed on the base plate 10, an ejector component 30 slidably disposed on the base plate 10, an ejector 40 disposed on the sliding component 20, and a limiting component 50. The sliding direction of the sliding component 20 is the same as the sliding direction of the ejection component 30, the sliding component 20 and the ejection component 30 are sequentially arranged along the sliding direction, the direction from the ejection component 30 to the sliding component 20 is defined as an ejection direction c, and the opposite direction of the ejection direction c is defined as a locking direction d. The ejector assembly 30 is located at one side of the slide assembly 20, and the slide assembly 20 is configured to detachably connect the ejector 40 to the slide assembly 20 and the ejector assembly 30 when sliding in the locking direction d, and the slide assembly 20 and the ejector assembly 30 are further configured to control the ejector 40 to eject when sliding in the ejecting direction c. The limiting assembly 50 is used to control the ejection process of the ejector 40.

Specifically, the two sides of the bottom plate 10 are symmetrically provided with first slide ways 11, the first slide ways 11 are distributed along a straight line, and the first slide ways 11 may also be distributed along a rectangle. The bottom surface of the sliding assembly 20 is provided with two first sliding blocks 216, and the first sliding blocks 216 slide on the first slideway 11 to drive the sliding assembly 20 to move. The two sides of the bottom plate 10 are symmetrically provided with second slide ways 15 respectively, the second slide ways 15 are linearly extended and distributed, and the second slide ways 15 can also be rectangular extended and distributed. The bottom surface of the ejection assembly 30 is provided with a second sliding block 35, and the second sliding block 35 slides on the second slideway 15 to drive the ejection assembly 30 to move.

In the present embodiment, the first slide 11 and the second slide 15 are disposed substantially in parallel, and the slide unit 20 and the ejector unit 30 are disposed substantially in parallel on the base plate 10 in the sliding direction.

As shown in fig. 3 and 4, the sliding assembly 20 includes a sliding plate 21, a first elastic member 22, a stopper rod 23, and a sliding cover plate 24.

In this embodiment, the sliding plate 21 includes a sliding main plate 211, and sliding convex plates 212 are horizontally protruded on both sides of the sliding main plate 211. The bottom surface of each sliding convex plate 212 is provided with one first sliding block 216, that is, two first sliding blocks 216 are respectively located at two sides of the sliding main plate 211.

In this embodiment, the top surface of the sliding main plate 211 is provided with a sliding-in channel 213 and a sliding-out channel 214. The slide-in channel 213 communicates with the slide-out channel 214, and specifically, the start point of the slide-in channel 213 communicates with the end point of the slide-out channel 214. The end of the slide-in channel 213 is connected to the start of the slide-out channel 214 and forms a recess 215. The sliding-in channel 213 and the sliding-out channel 214 are arc-shaped, and the sliding-in channel 213 and the sliding-out channel 214 bulge towards the corresponding sliding convex plate 212, and the sliding-in channel 213 and the sliding-out channel 214 jointly form a Y-shaped.

In this embodiment, one end of the limiting rod 23 is fixedly connected to the bottom plate 10, and the other end moves in the slide-in channel 213 or the slide-out channel 214.

In the present embodiment, one end of the first elastic member 22 is fixedly connected to the base plate 10, and the other end is connected to the end of the sliding main plate 211. The first resilient member 22 may be, but is not limited to, a spring.

In this embodiment, the fixed ends of the first elastic member 22 and the stopper 23 (i.e., the ends of the fixed connection base plate 10) may be on the same side of the sliding main plate 211 or on the opposite side of the sliding main plate 211.

In this embodiment, the end of the sliding protruding plate 212 is provided with a connecting arm 217, and the connecting arm 217 is rotatably connected with a fastening structure 218, where the connecting arm 217 and the fastening structure 218 can move on the first slideway 11 under the driving of the sliding protruding plate 212. The fastening structure 218 includes a connecting rod 2181 and a fastener 2182 disposed at one end of the connecting rod 2181, where the end of the connecting rod 2181 away from the fastener 2182 is rotationally connected with the connecting arm 217, and specifically can be connected through a rotating shaft a. A step 13 is formed between one end of the first slide 11 far away from the ejection assembly 30 and the bottom plate 10, an absorbing member 14 is disposed at a position of the bottom plate 10 corresponding to the step 13, when the buckle 2182 moves to the step 13, the buckle 2182 moves downward under the absorbing action of the absorbing member 14, and meanwhile, the connecting rod 2181 is driven to rotate around the rotating shaft a, so that the whole buckle structure 218 inclines towards the bottom plate 10. Specifically, the absorbing member 14 may be, but not limited to, a magnet, and the buckle 2182 is made of metal. It will be appreciated that other materials may be used for the catch 2182, and the above-mentioned purpose of adsorption may be achieved by providing a magnet on the catch 2182.

In the present embodiment, the slide cover plate 24 is provided above the slide plate 21, the first elastic member 22, and the stopper rod 23, and specifically, the slide cover plate 24 is fixed to the base plate 10 by screws, and the slide plate 21 is movable below the slide cover plate 24.

As shown in fig. 1, 5 and 6, the ejector assembly 30 includes an ejector main plate 31, a guide rod 32 disposed at one end of the ejector main plate 31 far away from the sliding assembly 20, a second elastic member 33 sleeved on the guide rod 32, and a thimble 34 disposed on the upper surface of the ejector main plate 31. The ejector 40 is detachably connected to the ejector pin 34, and the second slider 35 is disposed on the lower surface of the ejector main plate 31.

In this embodiment, a baffle 16 is disposed on the bottom plate 10, the baffle 16 protrudes out of the bottom plate 10, one end of the second elastic member 33 elastically abuts against the side wall of the ejection main plate 31, the other end elastically abuts against the baffle 16, and the guide rod 32 penetrates through the baffle 16. Specifically, the baffle 16 is provided with a clearance groove 17, and the guide rod 32 passes through the clearance groove 17 and can move back and forth along the clearance groove 17. It will be appreciated that a through hole (not shown) may also be provided in the baffle 16, and the guide rod 32 may be disposed through the through hole and be movable back and forth along the through hole. The first resilient member 22 may be, but is not limited to, a spring.

As shown in fig. 1, 5 and 6, the ejector 40 is detachably disposed on the sliding assembly 20 and detachably connected to the ejection assembly 30.

In this embodiment, the sliding convex plate 212 of the sliding plate 21 protrudes toward the ejector 40, the bottom surface of the ejector 40 is provided with a fixing groove 42, and the fixing groove 42 is matched with the fixing groove 219 to limit the ejector 40 on the sliding assembly 20, so as to prevent the ejector 40 from swinging left and right. The bottom surface of the ejector 40 is provided with a clamping groove 43 matched with a buckle 2182, and the buckle 2182 can be clamped into the clamping groove 43 to detachably fix the ejector 40 on the sliding assembly 20. The four-point limit can prevent the ejector 40 from shaking left and right, and can stably fix the ejector 40 on the sliding assembly 20.

In this embodiment, the ejector 40 is provided with a slot 41 corresponding to the ejector pin 34, and the ejector 40 is detachably connected to the ejector assembly 30 after the ejector pin 34 is inserted into the slot 41.

In addition, the bottom plate 10 is provided with a vertical plate 18, the vertical plate 18 is opposite to the baffle 16, the vertical plate 18 is provided with an opening 19, and the ejector 40 can extend or retract the vertical plate 18 along the opening 19. The provision of the opening 19 in the riser 18 allows a vertical limit to be achieved for the ejector 40, avoiding accidental ejection of the ejector 40 during ejection.

As shown in fig. 1 to 6, the limiting assembly 50 includes a first limiting portion 51 disposed on the base plate 10 and a second limiting portion 52 disposed on the ejector 40, wherein the first limiting portion 51 and the second limiting portion 52 have an adsorption effect, and during the movement of the ejector 40, the purpose of controlling the ejection process of the ejector 40 can be achieved by setting the adsorption force between the first limiting portion 51 and the second limiting portion 52, and a specific ejection process may include the ejection speed and the ejection distance of the ejector 40.

In the present embodiment, the first stopper 51 may be, but not limited to, a magnet, and the second stopper 52 may be, but not limited to, a magnet.

In addition, the limiting assembly 50 further includes a third limiting portion 53, the bottom plate 10 is provided with a sink 12 corresponding to the sliding main board 211, the third limiting portion 53 is disposed in the sink 12, the third limiting portion 53 is used for limiting the movement speed of the sliding main board 211, specifically, the third limiting portion 53 may be, but not limited to, a magnet, the sliding main board 211 may be made of a metal material, and the ejection speed of the sliding main board 211 can be reduced by the adsorption of the third limiting portion 53 to the sliding main board 211. It should be understood that the sliding main plate 211 may be made of other materials, but the surface of the sliding main plate 211 corresponding to the third limiting portion 53 may be provided with a magnet, which may also achieve the above-mentioned adsorption and deceleration effects.

The ejection distance b of the ejector 40 (i.e., the distance between the side wall of the ejector 40 away from the riser 18 to the riser 18) can be finally controlled by controlling the suction force between the first stopper portion 51 and the second stopper portion 52 and the suction force between the third stopper portion 53 and the slide main plate 211, and in particular, in the present embodiment, the above-described ejection distance is 1/3 to 1/2 of the total length of the ejector 40.

Referring to fig. 3 to 6, two operation states of the ejecting apparatus 1000 are shown.

When the ejector 40 needs to be locked, as shown in fig. 4 and 5, the fixed ends of the first elastic member 22 and the stop lever 23 are located at opposite sides of the sliding main plate 211, i.e. the fixed end of the first elastic member 22 is located at a side of the sliding main plate 211 away from the stop lever 23. The ejector 40 is pushed by an external force to slide along the locking direction d, so as to drive the sliding plate 21 to move along the locking direction d, the first elastic member 22 is stretched, the limiting rod 23 is fixed along the sliding-in channel 213 and enters the groove 215, the second elastic member 33 is compressed, and the ejector pin 34 is inserted into the slot 41 on the ejector 40, so that the ejector 40 is locked on the ejector assembly 30 and the sliding assembly 20. Meanwhile, the fastening structure 218 moves along with the sliding plate 21, the connecting rod 2181 is driven to rotate upwards, the fastening 2182 is separated from the absorbing member 14 and is forced to jack upwards, and then is fastened into the fastening slot 43 on the bottom surface of the ejector 40, so as to complete the final fixing of the ejector 40.

In another embodiment, if the fixed ends of the first elastic member 22 and the limiting rod 23 are on the same side of the sliding main plate 211, the first elastic member 22 is compressed, and the limiting rod 23 is fixed along the sliding channel 213 into the groove 215.

When the ejector 40 needs to be ejected, please refer to fig. 3 and 6, the ejector 40 is pushed by the external force to drive the sliding plate 21 to slide along the locking direction d, the stop lever 23 enters the sliding-out channel 214 from the groove 215, and the ejector 40 moves to the limit position of the locking direction, and the first elastic member 22 retracts to drive the sliding plate 21 to return to the initial state along the ejecting direction c. At the same time, the buckle 2182 of the buckle structure 218 slowly approaches the absorbing member 14 along with the movement of the sliding convex plate 212 along the ejecting direction c, and the buckle 2182 is pulled out of the clamping groove 43 on the bottom surface of the ejecting member 40 under the absorbing action of the absorbing member 14. At the same time, the second elastic member 33 rebounds along the ejecting direction c to drive the ejection assembly 30 to return to the initial state, the ejector pin 34 is separated from the slot 41 of the ejector 40, and the ejector 40 is ejected along the ejecting direction c. In the ejecting process, the sliding plate 21 is absorbed by the third limiting part 53, the ejecting speed is reduced, so that the ejector 40 ejects slowly, and in addition, the first limiting part 51 and the second limiting part 52 can control the ejector 40 to eject slowly through mutual absorption, and the ejector is fixed at a preset position, so that the ejecting distance b is controllable.

In actual use, the ejector 40 may be an oximetry module. By using the ejector 1000 provided by the invention to fix the blood oxygen module, the ejector 1000 can realize the function of pushing the blood oxygen module inwards and pushing the blood oxygen module again. The blood oxygen module can be used with the whole machine integrally, and can be taken out of the whole machine as a single component for use.

After the pop-up device 1000 is used, the relative position of the blood oxygen module in the whole machine is fixed, so that an independent charging seat is not needed to be designed, the external power supply of the blood oxygen module is charged manually, and the effect of automatic charging is realized immediately after the blood oxygen module is put into the whole machine by arranging a charging pin (namely the thimble 34) in the whole machine.

It will be appreciated that the ejection member 40 is not limited to an oximetry module and may be a component or device similar to an oximetry module.

In the ejector 1000, the ejector 40 and the sliding component 20 are fixed without using screws. The automatic ejection of the ejector 40 is realized by the cooperation of the limit rod 23 and the sliding-in channel 213 and the sliding-out channel 214. The whole device has simple structure, small volume, stable installation and strong practicability.

In addition, the ejecting device 1000 provided by the invention has a simple and small structure, is convenient to operate, is convenient for taking out the ejecting member 40, can realize automatic ejection of the ejecting member 40, can control the ejecting speed and the ejecting distance of the ejecting member 40 by arranging the limiting assembly 50, ensures the smoothness of the ejecting process of the ejecting member 40, and avoids accidental ejection damage of the ejecting member 40 caused by too fast ejection.

In addition, various other corresponding changes and modifications can be made by those skilled in the art according to the technical idea of the present invention, and all such changes and modifications are intended to fall within the scope of the claims of the present invention.

Claims

1. An ejector, comprising:

a bottom plate;

the sliding component is arranged on the bottom plate in a sliding manner;

the ejection assembly is arranged on the bottom plate in a sliding manner, the sliding direction of the sliding assembly is the same as that of the ejection assembly, the sliding assembly and the ejection assembly are sequentially arranged along the sliding direction, the direction from the ejection assembly to the sliding assembly is defined as an ejection direction, and the opposite direction of the ejection direction is a locking direction;

an ejector on the slide assembly, the ejector being located on one side of the slide assembly, the slide assembly being adapted to detachably connect the ejector to the slide assembly and the ejector when slid in the locking direction, the slide assembly and the ejector also being adapted to control ejection of the ejector when slid in the ejecting direction; and

the limiting assembly comprises at least one first limiting part and at least one second limiting part corresponding to the first limiting part, the first limiting part is arranged on the ejecting part, the second limiting part is arranged on the bottom plate, attractive force is generated between the corresponding first limiting part and second limiting part and is used for controlling the ejecting process of the ejecting part,

the ejector is provided with a slot, the ejection assembly comprises an ejection main board and a thimble arranged on the ejection main board, and the thimble is used for being inserted into the slot so that the ejector is detachably connected with the sliding assembly;

the ejection assembly further comprises a guide rod arranged at one end of the ejection main board, which is far away from the sliding assembly, and a second elastic piece sleeved on the guide rod; the bottom plate is provided with a baffle, and the second elastic piece is elastically propped between the ejection main plate and the baffle; the second elastic piece is used for being compressed when the sliding assembly slides along the locking direction, and the second elastic piece is also used for pushing the ejector to eject.

2. The ejector of claim 1, wherein the slide assembly comprises a slide plate, a first resilient member, and a stop lever; the top surface of the sliding plate is provided with a sliding-in channel and a sliding-out channel, the sliding-in channel is communicated with the sliding-out channel, one end of the first elastic piece is fixedly connected with the bottom plate, and the other end of the first elastic piece is connected with the sliding plate; one end of the limiting rod is fixedly connected with the bottom plate, the other end of the limiting rod is used for sequentially sliding in the sliding-in channel and the sliding-out channel when the sliding plate slides towards the locking direction, the first elastic piece is used for being stretched or compressed when the sliding plate slides towards the locking direction, and the first elastic piece is further used for driving the sliding plate to return to an initial state.

3. The ejecting device according to claim 2, wherein the end of the sliding plate away from the ejection assembly is rotatably connected with a locking structure, the ejecting member is provided with a locking groove corresponding to the locking structure, and the locking structure is used for locking with the locking groove, so that the ejecting member is detachably connected with the sliding assembly.

4. The pop-up device of claim 3, wherein the bottom plate is provided with a first slide way, a step is formed between the first slide way and the bottom plate, a first sliding block engaged with the first slide way is arranged on the bottom surface of the sliding plate, the fastening structure is rotatably connected with the first sliding block, the first sliding block is used for driving the fastening structure to move along the first slide way, and the fastening structure is used for rotating and separating from the clamping groove when moving to the step.

5. The ejection device of claim 4, wherein the bottom plate has an absorbing member corresponding to the step, and the absorbing member is configured to absorb the fastening structure, so that the fastening structure rotates and is separated from the clamping groove.

6. The ejector of claim 1, wherein the stop assembly further comprises a third stop portion disposed on the bottom plate below the slide assembly, the third stop portion configured to adsorb the slide assembly to control the ejection of the ejector.

7. The ejection device of claim 1, wherein the first and second limiting portions are magnets.

8. The ejector of claim 1, wherein an end of the base plate remote from the ejector assembly is provided with a riser, the riser being provided with an opening through which the ejector can eject.