CN2367468Y

CN2367468Y - Vision health-care pen with telescopic nib

Info

Publication number: CN2367468Y
Application number: CN 98241777
Authority: CN
Inventors: 庄春树; 肖志云
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-10-30
Filing date: 1998-10-30
Publication date: 2000-03-08
Anticipated expiration: 2008-10-30

Abstract

The utility model relates to a writing tool, comprising a pen holder, a pen core arranged in the pen holder, a circuit plate of an infrared distance measurement device and a control device which is composed of a key trough mechanism and a judder turn type servo motor. A place where a pen is held at the front part of the pen holder is provided with a dial button. The inner part of the corresponding pen holder is provided with the key trough mechanism for locking a pen head. The key trough mechanism drives a power switch. When a writing posture is incorrect, a pen point of the utility model can automatically retract into the pen holder, and the writing is forcedly stopped, which can really ensure a writer's writing posture. The utility model has the advantages of convenient usage, simple structure, and low cost.

Description

The telescopic vision health protection pen of nib

The utility model relates to a kind of writing implement, particularly a kind of pen that eyesight is played health-care effect.

According to the health care requirement of human eye, people are when writing or read, and eyes must be apart from the certain distance of paper, otherwise will have a strong impact on the eyesight of eyes, and the time one is long, will reduce people's eyesight widely.According to investigations, present existing teenager's major part all has near-sighted disease, and its cause is child when beginning exercise and write childhood, in case the time is long or divert one's attention when writing, often press close to desktop in spite of oneself, even twisted health bends towards paper with head and is not corrected timely.Various bad writing postures, in case form a habit and extremely difficult the correction, this makes many heads of a family feel put about, even reprimands also of no avail.Child the write protection device or the health care pen of incorrect posture are corrected in now existing multiple attempt, the complex structure of general protection device, and the cost height need occupy certain space, so that it is promoted is difficult.The pen that keeps healthy can be carried, and cost is low, be easy to promote, but existing health care pen all can only play prompting or warning effect, and can not play the prevention effect, and child's ability of self control generally can not be corrected this type of disadvantage, so the actual effect of prompting or warning and little.

The purpose of this utility model is to provide that a kind of nib can be by the bad and automatic withdrawal of writing posture, promptly when child's head arrives certain distance near penholder, nib can be withdrawn automatically in the penholder and can't be write, when child's writing posture returns to substantially just often, stir the vision health protection pen that toggle could continue to write again.

The utility model is to realize like this, the utility model includes penholder, is contained in pen core, sniffer and control device in the penholder hollow, it is characterized in that sniffer is the infrared distance measurement device, comprise circuit board, sending and receiving sensor window, battery and power switch, control device is made up of a keyway formula nib telescoping mechanism (being called for short keyway mechanism) and motor, is positioned between pen core and sniffer; Penholder divides pen head penholder body and penholder tail, and the place of holding a pen, front portion of penholder body is provided with and promotes the toggle that nib stretches out pen head, toggle and power switch interlock, and there is forefinger step-by-step groove at penholder front end and toggle relative position place, and the penholder head has the step that blocks pen core.

Be equipped with a hook between penholder body and penholder tail, the sending and receiving sensor window of sniffer is arranged near hook place, penholder rear portion, and circuit board is installed in the rear portion in the penholder body, and the penholder afterbody is equipped with battery.

The inwall at penholder body middle part is provided with two spacing straight troughs, and a straight trough slightly is longer than another straight trough.

Motor is to tremble rotatable servomotor, and unsettled shake spring and the keyway that is arranged under the circuit board is inter-agency, and a ripple rotary head and a motor coaxle arranged.

Be arranged on keyway mechanism between motor and pen core by the key cover that circles round, promote the key cover and the movable spring that is enclosed within on the stamen is formed, there is the ripple tail cone upper end that promotes the key cover, promotes the ripple tail cone that key overlaps and the ripple rotary head Elastic Meshing of motor.

The inclined-plane key is arranged at the bottom that promotes the key cover, and the inclined-plane key is arranged at the top that the key that circles round overlaps, and the inclined-plane key that promotes the key cover is corresponding with the inclined-plane key of the key cover that circles round, and makes the key that circles round overlap an end and promotion key cover dynamic engagement, and the other end and the pen core of the key that circles round cover are affixed.

The utility model compared with prior art, its advantage is:

1. when writing posture is incorrect, the utility model can be retracted into nib automatically in the penholder and force and stop to write and do not need writer's will to control, thereby guarantees Writer's writing posture conscientiously;

2. the utility model is easy to use, and is simple in structure, and cost is low, is easy to promotion and implementation.

Description of drawings:

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is the cutaway view of the utility model nib part;

Fig. 3 and 4 is branch's schematic diagram of the utility model keyway formula nib telescoping mechanism.

Further specify accompanying drawing in conjunction with the embodiments.As shown in Figure 1, the utility model includes penholder 1, is contained in pen core 2, sniffer and control device in penholder 1 hollow, it is characterized in that sniffer is a small-sized infrared distance measurement device, comprise circuit board 31, sending and receiving sensor window 32, battery 33 and power switch 34, control device was made up of a keyway formula nib telescoping mechanism (being called for short keyway mechanism) 41 and motor 42, was positioned between pen core 2 and sniffer; 1 fen pen head 11 penholder body 12 of penholder and penholder tail 13, the place of holding a pen, front portion of penholder body 12 is provided with and promotes the toggle 16 that nib 21 stretches out pen head 11, toggle 16 and power switch 34 interlocks (not expressing linkage structure among Fig. 1).

There is the step 111 that blocks pen core the inside of pen head 11, and there is a forefinger step-by-step groove 17 at penholder 1 front end and toggle 16 relative position places, and 13 on penholder body 12 and penholder tail are equipped with a hook 6.

The sending and receiving sensor window 32 of sniffer is arranged near hook 6 places, penholder body 12 rear portions, and circuit board 31 is installed in the rear portion in the penholder body 12, and penholder afterbody 13 is equipped with battery 33.

The inwall at penholder body middle part is provided with two spacing straight troughs 15 and 16, and straight trough 16 slightly is longer than straight trough 15.

See Fig. 3, motor 42 is to tremble rotatable servomotor, and unsettled shake spring 421 and the keyway that is arranged under the circuit board 31 is inter-agency, has a ripple rotary head 422 coaxial with motor 42.

See Fig. 4, be arranged on keyway mechanism 41 between motor 42 and pen core by the key cover 411 that circles round, promote key cover 412 and the movable spring 413 that is enclosed within on the stamen 2 is formed, there is ripple tail cone 4121 upper end that promotes key cover 412, promotes ripple rotary head 422 Elastic Meshing of ripple tail cone 4121 with the motor 42 of key cover 412.

Inclined-plane key 4122 is arranged at the bottom that promotes key cover 412, inclined-plane key 4111 is arranged at the top of the key that circles round cover 411, the inclined-plane key 4122 that promotes key cover 412 is corresponding with the inclined-plane key 4111 of the key cover 411 that circles round, make the key that circles round overlap 411 1 ends and overlap 412 dynamic engagement with the promotion key, the other end and the pen core 2 of the key that circles round cover 411 are affixed.

The key that circles round cover 411 and promotion key cover 412 slide in spacing straight trough 15 and 16.

The utility model is not when writing, and nib 21 is contracted in the nib 11 naturally, at this moment, the cell switch 34 that is attached in the penholder 1 on the toggle 16 is in off state, thus the utility model in time spent not, battery 33 is not power consumptions.

When writing, the thumb of staff and forefinger are pressed on the toggle 16 and forefinger step-by-step groove 17 at the place that holds a pen naturally, this structure has formed a special orientation, the writer correctly holds a pen with guiding, make it both feel comfortable, the window 32 that has guaranteed infrared detection device again can be aimed at Writer's face, at this moment, as long as thumb is taken advantage of a situation and is pushed toggle 16, to promote key cover 412 and down promote, 4122 on the inclined-plane key on it is released pen heads 11 together with a stamen 2 with nib 21 along the straight trough 15 and 16 key cover 411 that will circle round.When the key cover 411 that circles round is pushed into straight trough 15 tops, because the torsion that inclined-plane c-c ' produces, under the effect of movable spring 413, make the key cover 411 that circles round break away from straight troughs 15 and 16 tracks and write freely at the place, a ' plane that rotates to taper key 4111.When normally writing, the cell switch 34 that is attached in the keyway mechanism 41 has been connected sniffer (infrared distance measurement circuit), makes servomotor 42 be in " waiting for " state.In case eyes low (eyes are lower than 15cm from the paper distance), then the infrared signal that emits of sniffer reflects servomotor 42 red switch of driving control device from the head, tremble commentaries on classics by the ripple rotary head 422 drive ripple tail cones 4121 of servomotor 42 and promote key cover 412, under the effect of movable spring 413, circle round key cover 411 of assurance can be slided back in straight trough 15 and 16 tracks reliably together with a stamen 2, realize in the nib 21 withdrawal nibs 11, and cut off the electricity supply simultaneously, thereby prevented low coverage to write.Straight trough 16 slightly is longer than 15 and is that the guiding key cover 411 that circles round can guarantee to slip into track.Have only after correcting head distance, promote toggle 16 again and could continue to write.Such operation program obviously can be realized the correct body position of writing in phase.

Pen core of the present utility model is propelling pencil core or refill for ball-point pen, when selecting general small-size propelling pencil core (as shown in Figure 2) for use, be aided with the cooperation of the step 111 of pen head 11, when stirring toggle 16 repeatedly, owing to promote also the circle round place, b ' plane of key cover 411 of pushing tow repeatedly of top c on the key cover 412, the propelling pencil core just is in lead for retractable pencil and spues and move under the function.

Claims

1. telescopic vision health protection pen of nib, include penholder (1), be contained in pen core (2), sniffer and control device in penholder (1) hollow, it is characterized in that sniffer (3) is the infrared distance measurement device, comprise circuit board (31), sending and receiving sensor window (32), battery (33) and power switch (34), control device (4) is made up of a keyway formula nib telescoping mechanism (41) and motor (42), is positioned between pen core (2) and sniffer (3); Penholder (1) divides pen head (11) penholder body (12) and penholder tail (13), and the place of holding a pen, front portion of penholder body (12) is provided with promotion nib (21) and stretches out the toggle (16) of pen head (11), toggle (16) and power switch (34) interlock.

2. according to the telescopic vision health protection pen of the described nib of claim 1, it is characterized in that being equipped with a hook (6) between penholder body (12) and penholder tail (13), the sending and receiving sensor window (32) of sniffer (3) is arranged on penholder (1) near the hook in rear portion (6) and locates, circuit board (31) is installed in the rear portion in the penholder body (12), and penholder afterbody (13) is equipped with battery (33).

3. according to the telescopic vision health protection pen of the described nib of claim 1, it is characterized in that the inwall at penholder body (12) middle part is provided with spacing straight trough (15 and 16), straight trough (16) slightly is longer than straight trough (15).

4. according to the telescopic vision health protection pen of the described nib of claim 1, it is characterized in that motor (42) is to tremble rotatable servomotor, between the unsettled shake spring (421) and keyway formula nib telescoping mechanism (41) that is arranged under the circuit board (31), there is a ripple rotary head (422) coaxial with motor (42).

5. according to claim 1 and the telescopic vision health protection pen of 3 described nibs, it is characterized in that being arranged on keyway formula nib telescoping mechanism (41) between motor (42) and pen core by the key cover (411) that circles round, promote key cover (412) and the movable spring (413) that is enclosed within on the stamen (2) is formed, there is ripple tail cone (4121) upper end that promotes key cover (412), promotes ripple rotary head (423) Elastic Meshing of ripple tail cone (4121) with the motor (42) of key cover (412).

6. according to the telescopic vision health protection pen of the described nib of claim 5, it is characterized in that inclined-plane key (4122) is arranged at the bottom that promotes key cover (412), inclined-plane key (4111) is arranged at the circle round top of key cover (411), the inclined-plane key (4122) that promotes key cover (412) is corresponding with the inclined-plane key (4111) of the key cover (411) that circles round, make circle round key cover (411) one ends and promotion key cover (412) dynamic engagement, the other end and the pen core (2) of the key cover (411) that circles round are affixed.

7. according to the telescopic vision health protection pen of the described nib of claim 1, it is characterized in that there is the step (111) that blocks pen core the inside of pen head (11).

8. according to the telescopic vision health protection pen of the described nib of claim 5, the key cover (411) that it is characterized in that circling round slides in spacing straight trough (15 and 16).

9. according to the telescopic vision health protection pen of the described nib of claim 5, it is characterized in that promoting key cover (412) and slide in spacing straight trough (15 and 16).

10. according to the telescopic vision health protection pen of the described nib of claim 1, it is characterized in that there is forefinger step-by-step groove (17) at penholder (1) front end and toggle (16) relative position place.