CN1016118B

CN1016118B - Axial ratchet type pull-rod switch

Info

Publication number: CN1016118B
Application number: CN87107652A
Authority: CN
Inventors: 薛端石; 唐为洋
Original assignee: Individual
Current assignee: Individual
Priority date: 1987-12-31
Filing date: 1987-12-31
Publication date: 1992-04-01
Also published as: CN1042797A

Abstract

The present invention relates to an axial ratchet type pull-rod switch which is an electric switch, and the switch is particularly to suitable for being used as a lamp switch for a lighting circuit. The switch switches on or off the circuit by the method that an axial ratchet mechanism drives an electrode contact piece to make linear movement and rotate by a connection rod. The switch can replace pull switches sold at the current markets under the conditions of the same functions. The present invention has the advantages of simple structure, material saving, high safety and reliability, beautiful appearance, use for various decorative appearance designs, and convenient miniaturization, microminiaturization and omnibearing installation; the switch is suitable for various lighting circuits of ceiling lamps, wall lamps, desk lamps, etc.

Description

Axial ratchet type pull-rod switch

The present invention relates to a kind of appliance switch, particularly a kind of axial ratchet type pull-rod switch that is used for lighting circuit.

Commercially available now pulling switch has the many decades developing history, and through repeatedly improving, it is stable to have become on the structure, and work also belongs to reliable, but relatively say bulky, the profile dullness, materials are than taking; The direct bonding conductor of backguy may cause electric shock accidents under the situation of making moist; Switch is installed in the higher position usually, and backguy is dragged very longly, and convenient for maintaining neither influences indoor uniform again.Along with scientific and technological progress, era development is necessary to develop a kind of new generation product that is imbued with times flavour.

The object of the present invention is to provide a kind of simple in structurely, materials are economized, install reliable, and the illumination axial ratchet type pull-rod switch of good looking appearance on this basis, and then provides corresponding power-saving life-prolonging and dimmer switch.

Axial ratchet type pull-rod switch of the present invention is made up of an axial ratchet mechanism and electric source connecting box, and ratchet mechanism drives electrode contact blade 7 by connecting rod 11 and moves and rotate conducting or the disconnection that has realized circuit as straight line.

Axial ratchet mechanism is made up of a pair of axial ratchet transmission (comprising actuating shift fork 1 and ratchet 2) and pull bar 3, case 4 and back-moving spring 5.Affect pull bar 3 to force the axial ratchet transmission in case 4, to slide descending along feather key 6, back-moving spring 5 compressed energy-storages, when ratchet 2 broke away from the constraint of feather key 6, a low-angle was changeed in beginning earlier under the effect of actuating shift fork 1 inclined-plane power, at this moment, pull bar reaches bottom dead centre; Decontrol pull bar 3, the ratchet transmission just under back-moving spring 5 elastic force effects, last horizontal reset, ratchet 2 continues rotation, locks when the tip of feather key 6 props up the peak valley that sour jujube grabs, and produces axial displacement S, makes the circuit disconnection.When affecting pull bar once more, be returned to initial condition again.

Fig. 2 grabs with a sour jujube and is example with method of deploying operating principle of the present invention to be described again: affect pull bar 3,

ratchet pair

1,2 is descending, and electrode contact blade 7 leaves power-line terminal, and circuit disconnects; When the sour jujube on the ratchet 2 grabbed the cusp B of cusp A arrival feather key 6, ratchet 2 began to rotate, this moment as relieving pull bar 3, ratchet just returns up under the effect of spring restoring force, show as inclined-plane AC and upwards slide, overlap lock in place when promptly feather key 6 snaps in the ratchet peak valley with some B until a C along a B, produce displacement S, ratchet 2 turns over the π radian simultaneously, when affecting pull bar once more, turns over the π radian again, be returned to initial condition, circuit turn-on.

Be understood that when the ratchet pair is two sour jujubes when grabbing, whenever affect pull bar No. one time, ratchet 2 turns over the pi/2 radian; When three sour jujubes grab, whenever affect once, ratchet turns over π/3 radians, and the rest may be inferred by analogy.

Below in conjunction with accompanying drawing, describe the structure of each part in detail:

The axial ratchet transmission is made of garden cylindricality ratchet 2 and actuating shift fork 1, bimodal sour jujube that the axle head direction respectively has several or at least one to become isoperimetric to distribute grab 12 with 13 one-tenths engagements relatively, be intervally distributed with the equal several keys groove 14 of quantity therebetween.Wherein sour jujube grabs 13 for the domatic helicoid of asymmetric list on the ratchet 2; Sour jujube grabs 12 for symmetrical expression double slope surface helicoid on the actuating shift fork 1.

Case 4 becomes movingly with garden cylindrical inner chamber and ratchet pair, and the feather key 6 that equates with ratchet auxiliary bond groove 14 quantity is arranged on the perisporium, can open an inspection hole on the anterior appropriate location, in order to indicator cock state of living in.

Pull bar 3 is power transmission operating parts, both can with 1 one-tenth of actuating shift fork axially or circumferentially be connected, again can be axial or circumferentially be connected with 2 one-tenth on ratchet, perhaps with the two one of become fixedly connected or become discrete component.

The connecting rod 11 of connection electrode contact 7 both can with 1 one-tenth of actuating shift fork axially or circumferentially be connected, again can be axial or circumferentially be connected with 2 one-tenth on ratchet.When being connected with the actuating shift fork, the present invention becomes displacement-type switch example; When being connected, then become the rotary switch example with ratchet.

Back-moving spring 5 can be a sleeve, also can be other flexible member.

Through the said structure analysis, be not difficult to find out, based on the present invention, can derive many contour structures.Certainly also comprise the design that utilization relative motion theory is carried out.Figure five has enumerated the some embodiment in these profiles.

Utilize 23 one-tenth electrical connections of an axial ratchet type pull-rod switch of the present invention and a negative tempperature coefficient thermistor, promptly constitute a kind of axial ratchet type power-saving life-prolonging pull-rod operator.Figure six has represented the structural representation and the electrical schematic diagram of this switch.It is characterized in that in electric source connecting box, setting up a transitional electrical pickoff 22, one termination of thermistor is gone into, and the other end is connected output line, connects with bulb, made before connecting

electrical pickoff

18 and 20, connect electrical pickoff 22 earlier, electric current process thermistor 23 made bulb be introduced into little electric current and gave hot state this moment, avoided impulse current,

electric contact

18 and 20 is connected subsequently, thermistor 23 is separated or short circuit and ineffective, the electric current that enters bulb recovers normal.

Utilize 25 one-tenth electrical connections of axial ratchet type pull-rod switch of the present invention and rectifier diode, promptly constitute axial ratchet type and become the light pull-rod operator.Also can be used, be connected on respectively on the electrical pickoff of multi-gear switch, constitute the axial ratchet type power-saving life-prolonging and become the light pull-rod operator with thermistor 23.Its feature is shown in Fig. 4-1, and the extension bar 11 that is electrically connected is that jag garden pipe is connected with 2 one-tenth axial restraints of through hole ratchet, passes the center of actuating shift fork 1 then, and T-shaped pull bar 3 passes the extension bar 11 that is electrically connected, and T-head straddles actuating shift fork upper end.Like this, the present invention promptly becomes three operating mode rotary switches, can realize closing D, bright E, dark three kinds of states of F.Figure seven is its electrical schematic diagram.One of rectifier diode terminates on the electrical pickoff F, and the other end is connected output line and connected with bulb.

Above-mentioned axial ratchet type pull-rod switch all can adopt light-emitting diode to indicate, power supply available circuit power supply, also available in case of necessity independent power supply.

Axial ratchet type pull-rod switch provided by the invention and remodeling product thereof are compared with the pulling switch of same function, have following advantage:

1, it is over half to estimate to save raw material;

2, pull bar 3 is in state of insulation all the time, does not have the danger of electric shock, therefore can be installed in the eye-level display position;

3, change the position of power-line terminal slightly, can realize comprehensive installation, adapt to multiple use, as the needs of pendent lamp, wall lamp, desk lamp and various household electrical appliance.

4, both can be suitable for external circuit, can be made into flush type switch again, comprise duplex and multi-joint flush type switch.

5, basic body is the post shapes body, is convenient to realize miniaturization, microminiaturization.Can carry out diversified appearance design, or geometrical body, or worm ichthyornis beast, or formation of characters.By external body or by being arranged on the decoration groove 24 on the case, can on more extensive, realize the movable decoration design, or plan view image, or the embossment light engraving, or stereoscopic sculpture.Be beneficial to and beautify the environment, increase delight of life.Both be applicable to general family, also be applicable to luxurious hotel and public building.

In the accompanying drawing of the present invention: 1 actuating shift fork, 2 ratchets, 3 pull bars, 4 cases, 5 back-moving springs, 6 feather keys, 7 electrode contact blades, 8 screws, 9 loam cakes, 10 lower covers, 11 electrode connecting rods, bimodal sour jujube grabs 12 double slope surfaces, 13 single domatic bimodal sour jujubes grab 14 gathering sills, 15 pull bar decoration hole, 16 lower covers rotation tankage, 17 indicator lamp holes, 18 binding posts or electric contact, 19 wire guides, 20 binding posts or electric contact, 21 decorate Falling, 22 binding posts or electric contact, 23 negative tempperature coefficient thermistors, 24 additional decorative grooves, 25 rectifier diodes.

Fig. 1 axial ratchet type pull-rod switch structure chart;

Fig. 2 axial ratchet type pull-rod switch schematic diagram of movements; Arrow is represented the direction of motion; S represents shift length;

Fig. 3 axial ratchet type pull-rod switch axonometric drawing;

Several typical axial ratchet auxiliary structure axonometric drawings of Fig. 4;

Fig. 5 axial ratchet type pull-rod switch various appearances figure.

Fig. 5-1 wherein, 5-2,5-3,5-5,5-6 are rod-pulling type, and 5-4 is a dial type, and 5-7 is a push button, and 5-11 is a push-pull type, 5-8,5-9,5-10 are the flush type switch planar elevation view.

Fig. 6 axial ratchet type power-saving life-prolonging switch electrical schematic diagram and structural representation, wherein the 6-1 switch is in off-state; 6-2 connects thermistor; 6-3 disconnects thermistor, and it is normal that circuital current recovers; The 6-4 structural representation.

Fig. 7 axial ratchet type power-saving life-prolonging becomes light pull-rod operator electrical schematic diagram.

D is for closing among the figure, and E is bright, and F is dark.

The inventor thinks that axial ratchet type pull-rod switch of the present invention is directed to good with three keyways.Manufacturing materials is based on nonmetallic materials such as bakelite and duroplasts, takes after the insulation measures also available metal material.

Claims

1, a kind of appliance switch, what particularly a kind of confession lighting circuit was used can have change light concurrently, the axial ratchet type pull-rod switch of economize on electricity and prolongation bulb life function, an electric source connecting box is arranged, it is characterized in that operating mechanism is a kind of axial ratchet mechanism that can drive the electrode contact blade rotation and move, this mechanism is by a pair of ratchet transmission and pull bar 3, case 4 and reseting elastic element 5 are formed, the ratchet transmission is made of a garden cylindricality ratchet 2 and actuating shift fork 1, the axle head direction respectively has several at least one bimodal sour jujubes that become isoperimetric to distribute to grab 13 relative engagements with 12, is intervally distributed with the keyway 14 that quantity equates therebetween.

2, axial ratchet type pull-rod switch according to claim 1 is characterized in that bimodal sour jujube on the ratchet grabs 13 and is the domatic helicoid of asymmetric list; Bimodal sour jujube on the actuating shift fork grabs 12 and is symmetrical expression double slope surface helicoid.

3, axial ratchet type pull-rod switch according to claim 1 is characterized in that case 4 becomes movingly with garden cylindrical inner chamber and ratchet pair, and the feather key 6 that equates with ratchet auxiliary bond groove 14 quantity is arranged on the perisporium, can open an inspection hole on the anterior appropriate location.

4, axial ratchet type pull-rod switch according to claim 1 is characterized in that pull bar 3 can become axially with actuating shift fork or ratchet or circumferentially be connected, and also can become fixedly connected or become discrete component.

5, axial ratchet type pull-rod switch according to claim 1, it is characterized in that connecting electric contact piece connecting rod 11 can with 2 one-tenth on actuating shift fork 1 or ratchet axially or circumferentially be connected.

6, axial ratchet type pull-rod switch according to claim 1, the function that it is characterized in that the economize on electricity of switch and prolong bulb life is on the transitional electrical pickoff 22 that a termination of a negative tempperature coefficient thermistor 23 is gone into to set up, the other end inserts electrical pickoff 20 and is connected to output line, and thermistor is connected with bulb.

7, axial ratchet type pull-rod switch according to claim 1, the change light function that it is characterized in that switch are that a termination of a rectifier diode 25 is gone on the electrical pickoff F of three power condition switch examples, and the other end inserts output line and connects with bulb.

8, axial ratchet type pull-rod switch according to claim 1, the extension bar 11 that it is characterized in that being electrically connected is a jag garden pipe, be connected with 2 one-tenth axial restraints of through hole ratchet, pass actuating shift fork center, T-shaped pull bar 3 passes the center of the extension bar 11 that is electrically connected again and straddles on the actuating shift fork, rotates when rotating with ratchet 2.