CN201734823U

CN201734823U - Power unit for eyesight health care

Info

Publication number: CN201734823U
Application number: CN2010202337464U
Authority: CN
Inventors: 林源沧
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-06-21
Filing date: 2010-06-21
Publication date: 2011-02-09
Anticipated expiration: 2020-06-21

Abstract

The utility model relates to a power unit for eyesight health care, comprising a circuit control board which is fixed to a guide groove side of a pneumatic cylinder; the circuit control board is provided with a gap which corresponds to the stroke of a guide groove; a positioning zero sensor, a positive pressure micro switch and a negative pressure micro switch are arranged at a piston group zero position, a positive and a negative pressure limit positions around the gap; a sensing piece is arranged on a guiding piece and is bent towards a sensing position of the positioning zero sensor; consequently, the power unit is started and a screw rod is rotated, so that a piston group drives the sensing piece of the guiding piece to the positioning zero sensor to be zeroed and positioned, the guiding piece is driven to toggle the positive and negative pressure micro switches and return to the positioning zero sensor after no error is confirmed so as to be instructed to care the health of the eyesight in positive pressure or negative pressure, and ensure the appropriate volume of positive and negative pressure and good eyesight health care effect.

Description

The power set of vision care

Technical field

This utility model provides a kind of technical field of power set of vision care, refers to its technical power set that a kind of vision care is provided especially, and it has make zero location and positive and negative pressure microswitch, makes amount of gas pressure suitable.

Background technology

Consult vision care shown in Figure 1, commonly used and utilize this air pressure assembly 10 must produce positive and negative air pressure, it is not shown in the figures to cooperate trachea 11 that the positive and negative pressure air is connected to an eyeshield, and the phase can form the effect of pressure or suction to eyeball, reaches and corrects or the vision care effect.

This air pressure assembly 10 commonly used drives a screw rod 14 by a stepper motor 12 through axle 13; one screw bolt seat 15 is established with these screw rod 14 spiral shells; this screw bolt seat 15 combines with piston 16; one pneumatic cylinder, 17 frames are located at the periphery of piston 16 and screw bolt seat 15; and the bearing part 151 that is convexly equipped with according to screw bolt seat side face correspondence; 152 are provided with guide channel 171; 172 for its locating slip; and guarantee 16 in piston to move and can not rotate; these stepper motor 12 drive spindles 13; during screw rod 14 turns; and then make screw bolt seat 15 and piston 16 produce the linear reciprocation start; piston 16 reciprocating action meetings are just producing; the pressure of negative pressure or suction; this just; the pressure of negative pressure or suction are sent to eyeshield through trachea 11, keep healthy and give the eye vision.

Its above-mentioned known this air pressure assembly 10 still has the following point point:

Known these air pressure assembly 10 its structures are when operation, because of the detection not having any location and make zero action, after causing that user is permanent and using, the positive air pressure that this air pressure assembly 10 is produced or the amount of gas pressure of negative pressure, have excessive or insufficient situation, the effect of the health care that so will affect one's power of vision relatively.

Therefore, at the existing problem points of above-mentioned known configurations, how to develop a kind of innovation structure that has more desirable practicality, the ardent hope of institute of real consumer also must be made great efforts target and the direction that research and development break through for relevant dealer.

In view of this, the creator this in manufacturing development and the design experiences of being engaged in Related product for many years, at above-mentioned target, in detail after design and the scrupulous assessment, eventually this utility model of a true tool practicality.

Summary of the invention

The technical problem point that desire solves: known this its structure of air pressure assembly is when operation, because of the detection action of not having any location and making zero, after causing the permanent use of user, the positive air pressure that this air pressure assembly is produced or the amount of gas pressure of negative pressure, have excessive or insufficient situation, the effect of the health care that so will affect one's power of vision relatively.

The technical characterstic of dealing with problems: the power set that a kind of vision care is provided, comprise power set, these power set rotate with a motor transmission one screw rod, one screw bolt seat is provided with a screwed hole and must establishes with this screw rod spiral shell, and this screw bolt seat combines with a piston forms a piston set, and a pneumatic cylinder frame is located at this piston of this piston set and the periphery of this screw bolt seat, one guide groove, this guide groove axially is opened in this pneumatic cylinder side face, a guiding element, and this guiding element runs through this guide groove and is fixed to this screw bolt seat; One circuit control panel, this circuit control panel is fixed to this guide groove side of this pneumatic cylinder, and this circuit control panel is to being provided with a breach by the guide groove stroke, and at this breach periphery according to the piston set position of making zero, the positive air pressure extreme position, the negative pressure extreme position, be provided with one and locate the induction apparatus that makes zero, one positive air pressure microswitch, one negative pressure microswitch, and an induction pieces is located on this guiding element and the induction apparatus that makes zero towards this location induced position bending, in view of the above, when starting these power set, screw rod rotates the induction pieces make piston set drive guiding element and comes the induction apparatus location of making zero of making zero, location, and just driving the guiding element shake-up, errorless the getting back to of negative pressure microswitch affirmation located the induction apparatus that makes zero, wait to indicate and make the vision care of positive air pressure or negative pressure, just guarantee, it is good that the amount of gas pressure of negative pressure suitably reaches the vision care effect.

The effect of contrast prior art: the power set of the vision care of prior art, because of the detection action of not having any location and making zero, the positive air pressure that can produce to some extent or the amount of gas pressure of negative pressure have excessive or insufficient situation, the effect of the health care that so will affect one's power of vision relatively.And the power set of this vision care of this utility model, it starts power set and screw rod rotates the induction pieces that makes piston set drive guiding element and comes the induction apparatus location of making zero of making zero, location, and touch errorless the getting back to of positive and negative air pressure microswitch affirmation at the drive guiding element and locate the induction apparatus that makes zero, wait to indicate and make the vision care of positive air pressure or negative pressure, it is good that the amount of gas pressure that must guarantee positive and negative air pressure suitably reaches the vision care effect.

The technology that relevant this utility model adopted, means and effect thereof after lifting a preferred embodiment now and cooperating graphic being described in more detail in, are believed the above-mentioned purpose of this utility model, structure and feature, when can by one deeply and concrete understanding.

Description of drawings

Fig. 1 is the combination dissected figure of vision care air pressure assembly commonly used;

Fig. 2 is the schematic perspective view of this utility model one embodiment;

Fig. 3 is the perspective exploded view of this utility model one embodiment;

Fig. 4 is the combination of this utility model one embodiment cut-away view of bowing;

Fig. 5 for of the present utility model bow to cut open show the flyback action sketch map;

Fig. 6 is an operation positive air pressure action sketch map of the present utility model;

Fig. 7 is an operation negative pressure action sketch map of the present utility model.

Description of reference numerals

Part commonly used

10-air pressure assembly; The 11-trachea; The 12-stepper motor; The 13-axle; The 14-screw rod; The 15-screw bolt seat; The 151-bearing part; The 152-bearing part; The 16-piston; The 17-pneumatic cylinder; The 171-guide channel; The 172-guide channel;

This utility model part

The 20-power set; The 21-motor; The 22-screw rod; The 30-piston set; The 31-screw bolt seat; The 311-screwed hole; The 32-piston; The 40-pneumatic cylinder; The 41-guide groove; The 42-outlet; The 43-screw; The 50-guiding element; The 51-induction pieces; The 60-circuit control panel; The 61-breach; The 62-screw; The 63-perforation; 70-locatees the induction apparatus that makes zero; 80-positive air pressure microswitch; 90-negative pressure microswitch.

The specific embodiment

This utility model provides a kind of power set design of vision care.

Further understand and understanding for the auditor can be had the purpose of this utility model, feature and effect, cooperate embodiment and graphic detailed description now as back:

Consult shown in Fig. 2-5, be one embodiment schematic perspective view of the present utility model, decomposing schematic representation, cut-away view and flyback action sketch map, this utility model provides a kind of power set of vision care, includes:

One power set 20, these power set 20 are with 22 rotations of a motor 21 transmissions one screw rod, one screw bolt seat 31 is provided with a screwed hole 311 and must establishes with these screw rod 22 spiral shells, this screw bolt seat 31 combines with a piston 32 forms a piston set 30, one pneumatic cylinder, 40 frames are located at the periphery of piston 32 with the screw bolt seat 31 of piston set 30, and a guide groove 41, this guide groove 41 axially are opened in this pneumatic cylinder 40 side faces, one guiding element 50, this guiding element 50 runs through this guide groove 41 and is fixed to this screw bolt seat 31; It is characterized in that:

One circuit control panel 60, this circuit control panel 60 is fixed to these guide groove 41 sides of this

pneumatic cylinder

40, and 60 pairs of this circuit control panels should be provided with a breach 61 by guide groove 41 strokes, and at these breach 61 peripheries according to piston set 30 position of making zero, the positive air pressure extreme position, the negative pressure extreme position, be provided with one and locate the induction apparatus 70 that makes zero, one positive air pressure microswitch 80, one negative pressure microswitch 90, and an induction pieces 51 is located on this guiding element 50 and is made zero induction apparatus 70 induced positions bendings towards this location, in view of the above, when starting these power set 20, screw rod 22 rotates the induction pieces 51 that makes piston set 30 drive guiding elements 50 and comes induction apparatus 70 location of making zero of making zero, location, and just driving guiding element 50 shake-up, negative pressure microswitch 80, errorless the getting back to of 90 affirmations located the induction apparatus 70 that makes zero, wait to indicate and make the vision care of positive air pressure or negative pressure, just guarantee, it is good that the amount of gas pressure of negative pressure suitably reaches the vision care effect.

Aforementioned this circuit control panel 60 is fixed to these guide groove 41 sides of this pneumatic cylinder 40, and this is fixed to count screw 62 and wears the number perforation 63 of passing through this circuit control panel 60, and secures to several screws 43 of this pneumatic cylinder 40.

Aforementioned power set 20; the screw bolt seat 31 of this piston set 30 is fixed this guiding element 50; and this guiding element 50 is worn by the guide groove 41 of pneumatic cylinder 40 and is passed through out to the outside; supply these piston set 30 locating slips with guide groove 41; guarantee 30 of piston set to move and can not rotate; during these motor 21 drive screws 22 turns; and then make screw bolt seat 31 and piston 32 produce the linear reciprocation start; piston 32 reciprocating action meetings produce positive and negative pressure by air pressure or suction; this positive and negative pressure by air pressure or suction are sent to eyeshield through exporting 42, keep healthy and give the eye vision.

Consult shown in Figure 5, when starting these power set 20, motor 21 drives this screw rod 22 and rotates, screw rod 22 rotates to such an extent that make piston set 30 drive guiding elements 50 and induction pieces 51 to come induction apparatus 70 location of making zero of making zero, location, and touch this positive air pressure microswitch 80 and this negative pressure microswitch 90 driving guiding element 50, confirms that errorless getting back to locate that the induction apparatus 70 that makes zero is waited to indicate and the vision care of making positive air pressure or negative pressure.

Consult shown in Figure 6, sketch map for the operation positive air pressure, these motor 21 drive screws 22 turn clockwise, be to drive this piston set 30 to advance toward outlet 42 directions of pneumatic cylinder 40, and the gas of the trip is pushed out to this eyeshield by this outlet 42, make this eyeshield produce positive air pressure and make vision care, and this guiding element 50 with this piston set 30 before so that when touching this positive air pressure microswitch 80, promptly stop this motor 21 actions, continue pressurization and stop positive air pressure.

Consult shown in Figure 7, sketch map for the operation negative pressure, these motor 21 drive screws 22 are rotated counterclockwise, be to drive this piston set 30 toward advancing, and, suck gas through exporting 42 backfills by this eyeshield with the space that the trip is vacated away from outlet 42 directions of pneumatic cylinder 40, make this eyeshield produce negative pressure and make vision care, and this guiding element 50 retreats with this piston set 30 and when touching this negative pressure microswitch 90, promptly stop this motor 21 actions, continues to suck gas and stop negative pressure.

It is true as follows that the utility model effect is promoted:

1, a kind of innovation structure kenel of power set of sight protection is provided, start power set and induction pieces that bolt rotary makes the piston group drive guiding element is come the inductor location of making zero of making zero, location, and touch errorless the getting back to of positive and negative air pressure microswitch affirmation at the drive guiding element and locate the inductor that makes zero, to be instructed and make the sight protection of positive air pressure or negative pressure, it is good that the air pressure amount that must guarantee positive and negative air pressure suitably reaches the sight protection effect.

2, the thus special structure-improved design of the power set of sight protection, it mainly is designed with a location make zero inductor, a positive air pressure microswitch, a negative pressure microswitch on this member, and an induction pieces is located on this guiding element and the position bending of the inductor induction of making zero towards this location, make zero accordingly to locate with positive and negative air pressure and measure, suitable with the air pressure amount of guaranteeing positive and negative air pressure.

More than be illustrative to description of the present utility model; and it is nonrestrictive; those skilled in the art is understood, and the spirit and the range that limit in claim can carry out many modifications, variation or equivalence to it, but they all will fall in the protection domain of the present utility model.

Claims

1. the power set of a vision care comprise:

One power set, these power set rotate with a motor transmission one screw rod, one screw bolt seat is provided with a screwed hole and must establishes with this screw rod spiral shell, this screw bolt seat combines with a piston forms a piston set, one pneumatic cylinder frame is located at this piston of this piston set and the periphery of this screw bolt seat, and a guide groove, this guide groove axially are opened in this pneumatic cylinder side face, one guiding element, this guiding element runs through this guide groove and is fixed to this screw bolt seat; It is characterized in that:

One circuit control panel, this circuit control panel is fixed to this guide groove side of this pneumatic cylinder, and this circuit control panel is to being provided with a breach by the guide groove stroke, and at this breach periphery according to this piston set position of making zero, the positive air pressure extreme position, the negative pressure extreme position, be provided with one and locate the induction apparatus that makes zero, one positive air pressure microswitch, one negative pressure microswitch, and an induction pieces is located on this guiding element and the induction apparatus that makes zero towards this location induced position bending, when starting these power set, this screw rod rotates this induction pieces that makes this piston set drive this guiding element and comes the induction apparatus location of making zero of making zero, this location, and just touching this driving this guiding element, the negative pressure microswitch is confirmed errorless this location induction apparatus that makes zero of getting back to, and waits to indicate and makes the vision care of positive air pressure or negative pressure.

2. the power set of vision care as claimed in claim 1 is characterized in that, this circuit control panel is fixed to this guide groove side of this pneumatic cylinder, fix to count screw and wear the number perforation of passing through this circuit control panel, and secure to several screws of this pneumatic cylinder.