CN112757822B - Center positioning device, trigger device and electric pencil sharpener - Google Patents

Abstract

The embodiment of the present invention discloses a center positioning device, which is characterized by comprising: a first sliding block provided with a first inclined hole; a second sliding block provided with a second inclined hole, the first sliding block and the An input end is arranged between the second sliding blocks; a transmission part is provided with a first matching piece and a second matching piece; wherein, the first matching piece extends into the first inclined hole; the The second matching piece extends into the second inclined hole; and the transmission part makes the moving distance of the first sliding block and the second sliding block the same. The embodiment of the present invention effectively solves the problem that the electric pencil sharpener cannot be applied to pencils of different thicknesses and sizes.

Description

A center positioning device, a trigger device and an electric pencil sharpener

technical field

The invention relates to the field of electric stationery, in particular to a center positioning device, a trigger device and an electric pencil sharpener.

Background technique

The existing electric pencil sharpeners are only suitable for pencils of one thickness or size, or only suitable for pencils of 8mm and below. Although most of the existing pencils are below 8mm, there are still pencils or colored pens larger than 8mm. It makes it impossible to use a pencil or colored pens with a larger diameter and a pencil or colored pens with a smaller diameter on one electric pencil sharpener at the same time, so that the electric pencil sharpener has limitations.

It can be seen that the existing electric pencil sharpener has the following two problems: 1. It is only suitable for pencils of one diameter; The stability of the pencil is not good, resulting in frequent breakage of the nose of the cutting pencil.

SUMMARY OF THE INVENTION

Therefore, the embodiment of the present invention provides a center positioning device, which effectively solves the problem that the electric pencil sharpener cannot be applied to pencils of different thicknesses.

On the one hand, a center positioning device provided by an embodiment of the present invention is characterized in that it includes: a first sliding block with a first inclined hole; a second sliding block with a second inclined hole, the first sliding block An input end is arranged between the block and the second sliding block; a transmission part is provided with a first matching piece and a second matching piece; wherein, the first matching piece extends into the first inclined hole ; the second matching piece extends into the second inclined hole; and the transmission part makes the moving distance of the first sliding block and the second sliding block the same.

The technical effect achieved by adopting this technical solution: when the pencil enters from the input end, the pencil squeezes the first slider and the second slider, and at this time the first slider and the The second sliders are separated to both sides, and the first slider and the second slider are controlled by the transmission part to move the same distance, so that the pencil is always in the center position, and when the pencils are different in size Pencils can also be entered from the input and the pencils are always centered.

An embodiment of the present invention further includes: a first elastic member, the first elastic member is connected to the transmission part; wherein, when the first sliding block is close to the second sliding block, the first The elastic member is in a natural state; when the first sliding block is away from the second sliding block, the first elastic member is in a compression/stretching state.

The technical effect achieved by adopting this technical solution: when the pencil enters from the input end, the transmission part squeezes/stretches the first elastic member, and the first elastic member gives the transmission part A certain reaction force is exerted to make the first sliding block and the second sliding block squeeze the pencil, so that the pencil is better fixed in the centering device.

In an embodiment of the present invention, the upper end opening of the input end is larger than the lower end opening.

The technical effect achieved by adopting this technical solution: the input end is set up to be large at the top and small at the bottom, which is convenient for the pencil to be inserted from the input end.

In an embodiment of the present invention, a protruding member is provided on the first sliding block or the second sliding block.

The technical effect achieved by adopting this technical solution: a protruding piece is arranged on the first sliding block or the second sliding block, when the first sliding block and the second sliding block are installed, the The protrusions on the first sliding block or the second sliding block play a role of distinguishing the first sliding block and the second sliding block.

In an embodiment of the present invention, the protruding member is disposed on a side of the first slider away from the second slider or at a side of the second slider away from the first slider side.

The technical effect achieved by adopting this technical solution: the protruding piece is arranged on the side of the first slider away from the second slider or arranged on the second slider away from the first slider One side of the sliding block will not affect the movement of the first sliding block and the second sliding block, which is convenient for installation.

In yet another aspect, an embodiment of the present invention provides a triggering device, comprising: the center positioning device according to any one of the above embodiments; a transmission part, the transmission part is far away from the first matching part and the second A trigger assembly is arranged on one side of the matching piece; a trigger, the transmission part controls the trigger through the trigger assembly.

The technical effect achieved by adopting this technical solution: when the pencil enters from the input end, the pencil squeezes the first slider and the second slider, and at this time the first slider and the The second sliders are separated to both sides, and the first slider and the second slider are controlled by the transmission part to move the same distance, so that the pencil is always in the center position, and when the pencils are different in size Pencils can also be entered from the input with the pencil always centered and the actuator moving to trigger the trigger.

In an embodiment of the present invention, it further includes: a conducting member, comprising: a first conducting position, disposed on a side close to the first matching member; a second conducting position, wherein the second conducting position is connected to the first conducting position A conducting position is away from the side of the first fitting; a third conducting position, the third conducting position is connected to the side of the second conducting position that is far away from the first fitting; a control member, the control member sleeved on the conducting member; when the conducting member moves away from/towards the control member, the triggering component can be located at the first conducting position, the second conducting position or the third conducting position; wherein, when When the trigger component is located in the third conduction position, there is a gap between the trigger component and the trigger; when the trigger component is located in the first conduction position, the trigger component touches the trigger device.

The technical effect achieved by adopting this technical solution: the conducting member is divided into a first conducting position, a second conducting position and a third conducting position, and the first conducting position, the second conducting position and the The third conduction position controls the control member, and then controls the trigger through the control member, when the trigger member is located at the third conduction position, there is a gap between the trigger member and the trigger; When the trigger component is in the first conduction position, the trigger component touches the trigger.

In an embodiment of the present invention, the third conduction bit is a plane perpendicular to the control member; the first conduction bit is a plane parallel to the third conduction bit, and the first conduction bit is is located lower than the third conduction bit; the second conduction bit is a slope connected between the first conduction bit and the third conduction bit.

The technical effect achieved by adopting this technical solution: the conducting member is divided into a first conducting position, a second conducting position and a third conducting position, the initial position of the control member is located on the third conducting position, when the When the transmission part moves backward, the control member moves from the third conduction position to the second conduction position, and the second conduction position drives the control member to move downward; When the second conduction position moves to the first conduction position, the control member just triggers the trigger, and when the transmission part moves backwards, the first conduction position will not cause the control The piece moves down, damaging the trigger.

In another aspect, an electric pencil sharpener provided by an embodiment of the present invention includes: an upper end cover; a pen feeding mechanism, the pen feeding mechanism is connected to the upper end cover, and includes: the triggering device according to any one of the above embodiments; A cutting mechanism, the cutting mechanism is arranged below the pen feeding mechanism; a power mechanism, the power mechanism is connected below the cutting mechanism.

In an embodiment of the present invention, the pen feeding mechanism is connected to the upper end cap; the cutting mechanism is connected to the power mechanism.

The technical effect achieved by adopting this technical solution: the triggering device and the upper end cover are fixedly connected, and the cutting mechanism is connected with the power mechanism. The triggering device and the upper end cover are removed at the same time to prevent pencil scraps from contaminating the triggering device, so that the body of the pencil can be kept clean.

To sum up, the above-mentioned embodiments of the present application may have one or more of the following advantages or beneficial effects: i) the central positioning device can adapt to pencils with different thicknesses, and ensure that the pencil is always in the position when entering the triggering device Center position; ii) The trigger device improves the traditional side-press trigger to a down-press trigger to prevent the trigger and the trigger connection line from being damaged during disassembly; iii) The trigger device and the cutting mechanism Separately arranged, the triggering device can be disassembled when the pencil shavings generated in the cutting mechanism are dumped, so as to prevent the pencil shavings from contaminating the triggering device, so that the pencils can be kept clean when entering the triggering device.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.

FIG. 1 is a schematic structural diagram of a centering device 100 according to an embodiment of the present invention.

FIG. 2 is an exploded view of the centering device 100 shown in FIG. 1 .

FIG. 3 is a schematic structural diagram of the first sliding block 110 , the second sliding block 120 , the transmission part 130 and the first elastic member 140 shown in FIG. 1 .

FIG. 4 is another schematic structural diagram of the first sliding block 110 , the second sliding block 120 , and the transmission part 130 in FIG. 1 .

FIG. 5 is a schematic structural diagram of a trigger device 200 according to a second embodiment of the present invention.

FIG. 6 is a schematic diagram of the structural relationship of the transmission part 130 shown in FIG. 5 .

FIG. 7 is a schematic structural diagram of the transmission part 130 and the control part 210 shown in FIG. 5 .

FIG. 8 is another structural schematic diagram of the transmission part 130 and the control part 210 shown in FIG. 5 .

FIG. 9 is a schematic structural diagram of the trigger device 200 in FIG. 5 .

FIG. 10 is another schematic structural diagram of the trigger device 200 .

FIG. 11 is a schematic structural diagram of an electric pencil sharpener 300 according to a third embodiment of the present invention.

FIG. 12 is an exploded schematic view of the electric pencil sharpener 300 shown in FIG. 11 .

FIG. 13 is a schematic structural diagram of the upper end cap 310 shown in FIG. 11 .

FIG. 14 is a schematic diagram of the position of the control member installation position 313 shown in FIG. 11 .

Description of main component symbols:

100 is the center positioning device; 110 is the first sliding block; 111 is the input end; 112 is the first inclined hole; 120 is the second sliding block; 131 is the limiter; 132 is the second fitting; 133 is the first fitting; 134 is the trigger assembly; 135 is the input end of the transmission part; 136 is the first elastic piece installation position; 137 is the third fitting; 140 is the 150 is the housing of the centering device; 151 is the fixing hole of the first fitting; 152 is the fixing hole of the second fitting; 153 is the fixing part of the transmission part; 154 is the fixing part of the slider; 155 is the first elastic part piece baffle;

200 is the triggering device; 210 is the control part; 221 is the first conducting position; 222 is the second conducting position; 223 is the third conducting position; 241 is the upper casing of the triggering device; 242 is the lower casing of the triggering device; Two elastic parts

300 is an electric pencil sharpener; 310 is an upper end cover; 311 is a groove; 312 is a pen inlet; 313 is a control part installation position; 320 is a cutting mechanism;

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[First Embodiment]

Referring to FIG. 1 , which is a schematic structural diagram of a centering device 100 according to an embodiment of the present invention. The center positioning device 100 includes, for example, a first sliding block 110 , a second sliding block 120 , a transmission part 130 and a first elastic member 140 . Wherein, when the first sliding block 110 and the second sliding block 120 slide to the outside, the transmission part 130 is driven to move backward; the first elastic member 140 is connected to the transmission part 130 .

Specifically, referring to FIG. 2 and FIG. 3 , the first sliding block 110 is provided with a first inclined hole 112 ; the second sliding block 120 is provided with a second inclined hole 122 ; There is also an input part 111 between them; one end of the transmission part 130 is provided with a first fitting 133 and a second fitting 132 , and the opposite end is provided with a trigger assembly 134 .

Further, the first matching piece 133 is arranged in the first inclined hole 112; the second matching piece 132 is arranged in the second inclined hole 122; wherein, the first matching piece 133 and the second matching piece 132 are provided with Corresponding positions, the first inclined hole 112 and the second inclined hole 122 are controlled to move at the same distance, and the input end 111 is always in the center position.

Preferably, the transmission portion 130 is further provided with a limiting member 131 , the limiting member 131 is disposed on one side of the first matching member 133 and the second matching member 132 , and the limiting member 131 limits the distance that the transmission portion 130 retreats. for example,

Preferably, the centering device 100 further includes, for example, a centering device housing 150 . The housing of the centering device fixes the first sliding block 110 , the second sliding block 120 and the transmission part 130 on the housing 150 of the centering device.

Further, the first sliding block 110 and the second sliding block 120 are arranged between the transmission part 130 and the housing 150 of the centering device. At this time, the transmission part 130 fixes the first sliding block 110 and the second sliding block 120 in the center position On the device housing 150, the transmission part 130 may also be arranged between the first sliding block, the second sliding block 120 and the centering device housing 150. At this time, the first sliding block and the second sliding block 120 connect the transmission part 130. It is fixed on the centering device housing 150 , and the positional relationship among the first slider 110 , the second slider 120 , the transmission part 130 and the centering device housing 150 is not limited here.

Specifically, the centering device housing 150 further includes, for example, a first fitting fixing hole 151 and a second fitting fixing hole 152 . The first fitting 133 is inserted into the first fitting fixing hole 151 through the first inclined hole 112 ; the second fitting 132 is inserted into the second fitting fixing hole 152 through the second inclined hole 122 . Further, the first fitting 133 can only move in the first fitting fixing hole 151, and the second fitting 132 can only move in the second fitting fixing hole 152; through the first fitting fixing hole 151 and the second fitting The fitting fixing hole 152 defines the moving distance of the first fitting 133 and the second fitting 132 , thereby limiting the moving distance of the transmission part 130 .

Specifically, the housing 150 of the centering device further includes, for example, a transmission part fixing member 153 ; correspondingly, the transmission part 130 is provided with a third fitting member 136 that cooperates with the transmission part fixing member 153 , the transmission part fixing member 153 and the third fitting member 136 . The three fittings 136 cooperate so that the transmission part 130 can only move in one direction.

Further, the centering device housing 150 further includes, for example, a slider fixing member 154; wherein, the first sliding block 110 and the second sliding block 120 are both arranged in the sliding block fixing member 154, and the sliding block fixing member 154 defines the first sliding block 154. The moving direction of the slider 110 and the second slider 120 is such that the first slider 110 and the second slider 120 can only move in one direction.

Preferably, the housing 150 of the centering device further includes, for example: a first elastic member baffle plate 155 ; a first elastic member installation position 136 is provided on the corresponding transmission part 130 . The first elastic member 140 is disposed between the first elastic member baffle 155 and the first elastic member installation position 136 . For example, when the pencil enters from the input end 111, the transmission part 130 squeezes the first elastic member 140, and the first elastic member 140 exerts a certain reaction force on the transmission part 130, so that the first slider 110 and the second slider 120 squeezes the pencil to better fix the pencil in the centering device 100 .

Further, with reference to FIGS. 3 and 4 , the transmission part 130 is further provided with a transmission part input end 135 , and the transmission part input end 135 is provided between the first matching part 133 and the second matching part 132 . When the first slider 110 and the second slider 120 are in the first state and the state shown in FIG. 3 , the side of the input end 135 of the transmission part close to the trigger assembly 134 is abutted against the side of the input end 111 close to the trigger assembly 134 ; When the slider 110 and the second slider 120 are in the second state and the state shown in FIG. 4 , the side of the input end 135 of the transmission part that is far away from the trigger assembly 134 abuts the side of the input end 111 that is far away from the trigger assembly 134 , so that the pencil can always be removed from the transmission part. Part input 135 goes to input 111 .

Preferably, the first sliding block 110 or the second sliding block 120 is further provided with a protruding member 121 . Wherein, a protruding member 121 is provided on the first slider 110 or the second slider 120. When the first slider 110 and the second slider 120 are installed, the first slider 110 or the second slider 120 The protruding member 121 serves to distinguish the first sliding block 110 from the second sliding block 120 . Further, the protruding member 121 disposed on the side of the first slider 110 away from the second slider 120 or disposed on the side of the second slider 120 away from the first slider 110 will not affect the first slider 110 and the first slider 110 . The movement of the two sliding blocks 120 is convenient for installation.

Preferably, the upper end opening of the input end 111 is larger than the lower end opening. Wherein, the input end 111 is provided with a large top and a small bottom, which facilitates the insertion of the pencil from the input end 111 .

[Second Embodiment]

Referring to FIG. 5 , which is a schematic structural diagram of a triggering device 200 according to an embodiment of the present invention, for example, it includes: the centering device 100 and a trigger as described in the first embodiment. Wherein, the trigger is provided with a switch (not shown in the figure), and the trigger and the transmission part 130 cooperate to control the switch, and the switch here may be a point-shaped contact switch or one with elastic sheets Point contact switch, the type of switch described here is not limited.

Further, referring to FIG. 6 , the triggering device 200 further includes, for example, a conducting member (not marked in the figure); the conducting member includes, for example, a first conducting position 221 and a third conducting position 223 of the control member 210 . The first conduction position 221 is disposed between the third conduction position 223 and the input end 135 of the transmission part. For example, the initial position is that the control member 210 is located at the third conduction position 223 as shown in FIG. 7 , and the switch is in the open state at this time; when the first slider 110 and the second slider 120 move to both sides, Control the transmission part 130 to move backward, when the control member 210 moves from the third conduction position 223 to the first conduction position 221 and the state shown in FIG. 8 , the position of the control member 210 is lowered relative to the initial state, and the control The bottom end of the member 210 contacts the switch, so that the switch is in a closed state.

Preferably, the conducting member further includes, for example: a second conducting position 222 ; the second conducting position 222 is provided between the first conducting position 221 and the third conducting position 223 . Wherein, when the control member 210 enters the second conduction position 222 from the third conduction position 223, the switch is open; when the control member 210 enters the first conduction position 221 from the second conduction position 222, the switch is closed state.

Further, the first conduction bit 221 is a plane perpendicular to the control member 210; the third conduction bit 223 is a plane parallel to the first conduction bit 221, and the third conduction bit 223 is higher than the first conduction bit 221; The second conduction bit 222 is an inclined plane connected between the first conduction bit 221 and the third conduction bit 223 .

For example, when the control member 210 is located on the third conduction position 223, the initial state of the control member 210 and the switch causes a certain gap in the vertical direction; when the input end 111 controls the transmission part 130 to move backwards , since the third conduction position 223 is a plane, when the control element 210 is on the third conduction position 223 , the distance between the control element 210 and the switch is in a fixed state. When the control member 210 enters the second conduction position 222 from the third conduction position 223 , since the second conduction position 222 is an inclined surface, when the transmission portion 130 moves backward, the control member 210 slides down along the inclined surface of the second conduction position 222 . When the control member 210 enters the first conduction position 221 from the second conduction position 222 , the control member 210 just triggers the switch; since the first conduction position 221 is a plane, the transmission part 130 will not drive the control even if the transmission part 130 moves backward. The member 210 moves downward to prevent the control member 210 from squeezing the switch, thereby causing damage to the switch.

Preferably, with reference to FIGS. 9 and 10 , the trigger device 200 further includes, for example, an upper trigger device casing 241 , a lower trigger device casing 242 and at least one second elastic member 243 ; wherein, the second elastic members 242 are all disposed on the trigger device Between the upper casing 241 of the device and the lower casing 242 of the triggering device. When the control member 210 is at the third conduction position 223, the second elastic member 243 is in a natural state; when the control member 210 is at the first conduction position 221, the second elastic member 243 is in a compressed state; when the control member 210 needs to return When the second elastic member 243 drives the upper casing 241 of the trigger device to rise upward, the switch is turned off.

[Third Embodiment]

11 and 12 , it is an electric pencil sharpener 300 provided by the third embodiment of the present invention. The electric pencil sharpener 300 includes, for example, an upper end cover 310 , a pen feeding mechanism, a cutting mechanism 320 and a power mechanism 330 . Wherein, the pen feeding mechanism is arranged below the upper end cover 310 ; the cutting mechanism 320 is arranged below the pen feeding mechanism; the power mechanism 330 is connected below the cutting mechanism 320 .

Preferably, referring to FIG. 13 , the upper end cover 310 of the electric pencil sharpener is further provided with a plurality of grooves 311, and the transmission part 130 is oppositely provided with protrusions, and the plurality of grooves 311 on the upper end cover 310 of the electric pencil sharpener It cooperates with the protrusions provided on the corresponding transmission part 130 , so that the transmission part 130 can only move in one direction, which improves the triggering stability of the electric pencil sharpener 300 .

Specifically, the upper end cover 310 is further provided with a pen inlet 312 , and the pen inlet 312 is provided corresponding to the input end 111 . For example, when the pencil enters from the pen inlet 312 to the input end 111 , the pencil presses the first slider 110 and the second slider 120 to move outward respectively, and the first slider 110 and the second slider When the block 120 moves, the transmission part 130 is driven to move to the side of the control part 210 through the first matching part 133 and the second matching part 132, and the control part 210 enters the second conduction position 222 from the third conduction position 223, and then moves from the third conduction position 223 to the second conduction position 222. The second conduction position 222 enters the first conduction position 221 ; when the control member 210 enters the first conduction position 221 , the control member 210 touches the switch to make the electric pencil sharpener 300 work.

Preferably, when pencils with different thicknesses are cut by the electric pencil sharpener 300, since the control member 210 will not descend after being located at the first conduction position 221, that is, it will not move downwards after the switch is triggered, so the pencils with different thicknesses will not move downward. Pencils are also available with the Electric Sharpener 300.

Specifically, referring to FIG. 14 , the electric pencil sharpener 300 , for example, further includes: a control member installation position 313 . The control member mounting position 313 defines the movement direction of the control member 210 . For example, when the transmission portion 130 controls the control member 210 to move downward, the control member mounting position 313 defines the control member 210, so that the control member 210 can only move in the vertical direction, so that the control member 210 can accurately trigger the switch, so as to control the opening of the electric pencil sharpener 300 .

Preferably, the pen feeding mechanism is provided with the switch, and the power mechanism 330 is provided with a stop trigger switch. The upper end cover 310 is fixedly connected with the pen feeding mechanism, and the pen feeding mechanism 320 and the cutting mechanism 320 are slidably connected, so that the upper end cover 310 and the pen feeding mechanism can be removed at the same time and separated from the cutting mechanism 320, and the cutting mechanism The 320 will not contaminate the switch in the pen feeding mechanism when the pencil shavings are dumped. In addition, the cutting mechanism 320 and the power mechanism 330 are fixedly connected and do not need to be separated before the pencil shavings are poured, thus avoiding the problem that the cutting mechanism 320 and the stop trigger switch cannot be aligned when the cutting mechanism 320 and the power mechanism 330 are installed again.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that it can still be The technical solutions described in the foregoing embodiments are modified, or some technical features thereof are equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (7)

1. a triggering device, is characterized in that, comprises: A center positioning device, the center positioning device includes: a first sliding block, the first sliding block is provided with a first inclined hole; a second sliding block, the second sliding block is provided with a second inclined hole, the first sliding block is provided with a second inclined hole, and the An input end is provided between a sliding block and the second sliding block; a transmission part is provided with a first matching part and a second matching part; wherein, the first matching part extends into the first matching part an inclined hole; the second matching piece extends into the second inclined hole; and the transmission part makes the moving distance of the first sliding block and the second sliding block the same; a trigger, the trigger is provided with a switch, and the trigger and the transmission part cooperate to control the switch; A transmission part, a trigger assembly is provided on the side of the transmission part away from the first matching part and the second matching part, and the trigger assembly includes: a conducting part, and the conducting part includes: a first conducting position, the first conducting position is arranged on a side close to the first fitting; a second conduction position, the second conduction position is arranged on a side of the first conduction position away from the first matching piece; a third conduction position, the third conduction position is arranged on a side of the second conduction position away from the first matching piece; a control part, the control part is sleeved on the conducting part; Wherein, the third conduction bit is a plane perpendicular to the control element; the first conduction bit is a plane parallel to the third conduction bit, and the first conduction bit is lower than the third conduction bit bit; the second conduction bit is a slope connecting the first conduction bit and the third conduction bit; when the control member is located on the third conduction bit, the control member and the initial state There is a gap in the vertical direction of the switch; when the control member enters the second conduction position from the third conduction position, because the second conduction position is an inclined plane, when the transmission part is backward When moving, the control member slides down along the slope of the second conduction position; when the control member enters the first conduction position from the second conduction position, the control member triggers the switch. 2. The triggering device according to claim 1, wherein the center positioning device further comprises: a first elastic member, the first elastic member is connected to the transmission part; Wherein, when the first sliding block is close to the second sliding block, the first elastic member is in a natural state; when the first sliding block is far away from the second sliding block, the first elastic member in a compressed/stretched state. 3 . The triggering device according to claim 1 , wherein the upper end opening of the input end is larger than the lower end opening. 4 . 4 . The triggering device according to claim 1 , wherein a protruding member is provided on the first sliding block or the second sliding block. 5 . 5 . The triggering device according to claim 4 , wherein the protruding member is disposed on a side of the first slider away from the second slider or disposed on the second slider away from all the 5 . 5 . the side of the first slider. 6. An electric pencil sharpener, characterized in that, comprising: upper end cover; A pen feeding mechanism, the pen feeding mechanism is arranged below the upper end cover, comprising: the triggering device according to any one of claims 1-5; a cutting mechanism, the cutting mechanism is arranged below the pen feeding mechanism; A power mechanism, the power mechanism is arranged below the cutting mechanism. 7 . The electric pencil sharpener according to claim 6 , wherein the pen feeding mechanism is connected to the upper end cap; the cutting mechanism is connected to the power mechanism. 8 .

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