CN103617903A - Delay switch - Google Patents

Delay switch Download PDF

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Publication number
CN103617903A
CN103617903A CN201310406056.2A CN201310406056A CN103617903A CN 103617903 A CN103617903 A CN 103617903A CN 201310406056 A CN201310406056 A CN 201310406056A CN 103617903 A CN103617903 A CN 103617903A
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CN
China
Prior art keywords
lower piston
described
arm
force
upper
Prior art date
Application number
CN201310406056.2A
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Chinese (zh)
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CN103617903B (en
Inventor
杨开建
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江苏唐邦机电有限公司
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Priority to CN201310406056.2A priority Critical patent/CN103617903B/en
Publication of CN103617903A publication Critical patent/CN103617903A/en
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Publication of CN103617903B publication Critical patent/CN103617903B/en

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Abstract

The invention relates to a delay switch. The delay switch includes a touch pin, a lever, an outer tension spring, an inner compression spring, a cylinder body with an upper piston and a lower piston, the upper piston and the lower piston which are mutually connected, and a contact switch. The upper piston and the lower piston are respectively disposed in an upper piston chamber and a lower piston chamber in the cylinder body, and damping oil is arranged in the lower piston chamber which is provided with at least one interconnecting hole; two ends of the inner compression spring are respectively connected with the bottom end of the lower piston and the bottom end of the cylinder body; the contact switch is disposed at one side of the end of the upper piston; and the lever is hanged to one side of the cylinder body to form a first moment arm and a second moment arm, the outer tension spring is applied to the second moment arm, the end of the second moment arm can contact the upper piston, and the touch pin is arranged at a position corresponding to the first moment arm. The beneficial effects of the delay switch are that the delay switch can be applied to mechanical structures of two rotators having relative rotation relation, a gap between the two rotators closely arranged together is easy to eliminate, the structure is simple, the price is low compared with an electronic delay device, and the cost is saved.

Description

A kind of delay switch

Technical field

The present invention relates to mechanical manufacturing field, relate in particular to a kind of delay switch.

Background technology

Current delay switch is all the appliance switch that circuit module is made, and the complicated cost of general structure is high, and controls very not applicable for the delay of some mechanical actions.

Summary of the invention

The object of the invention is to overcome the deficiency of above-mentioned prior art, and a kind of delay switch that carries out time delay by mechanical action is provided, and this switch is specially adapted to the delay of some mechanical actions, specifically has following technical scheme to realize:

Described delay switch, comprise and touch pin, lever, external broach spring, interior Compress Spring, be provided with the cylinder body of upper and lower plunger shaft, interconnect and be placed in respectively described on, the upper piston in lower piston chamber and lower piston and contact switch, on described, lower piston is placed in respectively the upper of cylinder body, in lower piston chamber, lower piston chamber is built-in with damping oil, lower piston is provided with at least one intercommunicating pore, this hole is for being communicated with the lower piston chamber of being separated by lower piston, the two ends of described interior Compress Spring are connected with the bottom of lower piston and cylinder body respectively, described contact switch is placed in upper piston end one side, described lever is articulated with described cylinder body one side, first arm of force and second arm of force that pin joint is rotating fulcrum take in formation, described external broach spring action is in second arm of force, and the end of second arm of force upper piston of can conflicting, described shake-up pin is corresponding to the first arm of force position, when touching tactile first arm of force of pin pressure, described lever rotates, upper piston is moved to contact switch.

The further design of described delay switch is, also comprises sealing ring, and accent place and lower piston that described sealing ring is located at lower piston chamber are tightly connected.

The further design of described delay switch is, described contact switch is serially connected on the power circuit of described motor.

The further design of described delay switch is, on described lever, the second stressed place of the arm of force is provided with groove, and described external broach spring is mounted in this groove by draw ring, and the pulling force of external broach spring is put on lever.

Advantage of the present invention is as follows:

Delay switch provided by the invention, by theory of mechanics, realize, can be applied to have the mechanical structure of two rotors of the relation of relatively rotating, gap while contributing to eliminate the two laminating, the accuracy of manufacture of workpiece and the reliability of machinery have been guaranteed, simple in structure, cheap with respect to electronic delay equipment price, saved cost.

Accompanying drawing explanation

Fig. 1 is the position relationship schematic diagram of delay switch and first, second flip body.

Fig. 2 is the schematic diagram of delay switch when flip body starts closure.

Fig. 3 is the structural scheme of mechanism of delay switch delay switch cylinder interior when state shown in Fig. 2.

The schematic diagram that Fig. 4 is delay switch shown in Fig. 2 when flip body will be closed.

Fig. 5 is the structural scheme of mechanism of mahjong machine fold mechanism delay switch cylinder interior when state shown in Fig. 4.

Fig. 6 is the schematic diagram of delay switch shown in Fig. 2 when flip body is completely closed.

Fig. 7 is the structural scheme of mechanism of delay switch delay switch cylinder interior when state shown in Fig. 6.

In figure, 1-cylinder body, 2-upper piston, 3-lower piston, 4-external broach spring, Compress Spring in 5-, 6-sealing ring, 7-damping oil, 8-lever, 9-intercommunicating pore, 10-touches pin, 11-upper piston chamber, 12-lower piston chamber, 13-contact switch, 14-box body, 15-returning face plate, 16-contact switch, 17-draw ring, 18-groove, 19-the first flip body, 20-the second flip body, 21-delay switch.

Embodiment

Below in conjunction with accompanying drawing, the present invention program is elaborated.

The delay switch 21 that the present embodiment provides, is located on the second flip body 20.One side of the first flip body 19 is articulated with the second flip body 20, can be relative to freely rotating with the second flip body 20.This delay switch 21 comprises lever 8, external broach spring 4, interior Compress Spring 5, is provided with the cylinder body 1 of upper and lower plunger shaft, the upper piston 2 that interconnects and be placed in respectively upper and lower plunger shaft and lower piston 3 and contact switch 16.The lower end of the first flip body 19 is provided with touches pin 10, and cylinder body 1 is placed on the second flip body 20.Lower piston chamber 12 is built-in with damping oil, and lower piston 3 is provided with at least one intercommunicating pore 9.This hole is for being communicated with the lower piston chamber 12 of being separated by lower piston 3.The two ends of interior Compress Spring 5 are connected with the bottom of cylinder body 1 with lower piston 3 respectively.Lever 8 is rotationally connected with on the second flip body 20, forms take to be rotationally connected a little first arm of force and second arm of force as stressed fulcrum.The two ends of external broach spring 4 connect respectively second arm of force of the second flip body 20 and lever 8, and upper piston 2, the first arm of force ends can be conflicted with to touch pin 10 corresponding in the end of second arm of force, and contact switch 13 is located at the top of upper piston.

Further, this delay switch 21 also comprises sealing ring 6, and accent place and piston rod that sealing ring 6 is located at lower piston chamber are tightly connected.

Further, contact switch 13 and driving mechanism communication connection, make contact switch 13 driving mechanism in closing course can drive the first flip body 19 to rotate.

Further, lever 8 is provided with groove, and the corresponding end of external broach spring and lever second arm of force is provided with draw ring 17, and external broach spring 4 is realized and being connected with groove 18 clampings by draw ring 17 with second arm of force.

Above-mentioned delay switch 21 can be used on switching mechanism as shown in Figure 1, this mechanism is by having the first rotor and second rotor of mutual rotation relation and being comprised of motor-driven transmission mechanism, the first rotor is a returning face plate 15, the second rotor is a box body 14, transmission mechanism is Worm and worm-wheel gearing, be placed in described box body, worm screw is driven by motor, worm gear is incomplete 1/4 worm gear, returning face plate is connected to this with rotating and do the rotation with respect to box body on worm gear and with worm gear, make returning face plate by rotate to the upper transverse plane of box body press close to or away from.Generally rotating mechanism is often difficult to make exactly returning face plate turn to the position that fits in transverse plane on the second rotor, in order to prevent from rotating position, form the collision to the second rotor, usually leave running clearance, the first rotor can not really be fitted on the second rotor on transverse plane.

Delay switch 21 devices of the present invention are placed in to the outer wall of box body 14, as Fig. 2, by touching pin, are connected to returning face plate medial surface corresponding to the position of first arm of force on lever 8, and by contact switch 16 cross-under on the power circuit of motor.When needs returning face plate turns to while fitting with box body, driven by motor is rotated with worm screw, worm gear is by producing corresponding rotation with worm engaging, driving returning face plate to rotate to pressing close to box body upper surface rotates, when returning face plate is about to box body upper surface as Fig. 1, Fig. 2, do not conflict yet first arm of force of lever 8 of the shake-up pin 10 of returning face plate 15 lower surfaces, the second arm of force conflict upper piston 2 of lever 8, the lower piston 3 that makes to be connected with upper piston 2 is pushed interior Compress Spring 5 and is carried out energy storage, now the volume due to lower piston chamber and upper cavity reduces, in the below of damping oil 7 and upper cavity, form high pressure.When returning face plate 15 will turn to while leaving certain interval with the second flip body 20, as Fig. 5, Fig. 6, touch pin 10 start to conflict first arm of force of lever 8, second arm of force starts to depart from upper piston 2, the elastic potential energy of interior Compress Spring 5 discharge and the gas pressure of lower piston chamber, upper cavity under, upper lower piston starts to move up, and progressively presses close to until the contact of conflict contact switch 13, as Fig. 7 makes motor, work on, drive returning face plate 15 box body 14 of fitting completely.Due to inertia, upper lower piston can continue a bit of distance that makes progress, and now the air pressure air pressure of lower piston chamber, upper cavity reduces, and interior Compress Spring 85 draws high to upper and lower piston is produced resistance and finally makes its decline reach poised state.When returning face plate 15 turn to horizontal level by vertical position, touch first arm of force that pin 10 departs from levers 8, first arm of force that now 4, external broach spring can act on lever 8 makes it that upper lower piston is pressed in cylinder body 1 by equilbrium position.

Claims (4)

1. a delay switch, it is characterized in that comprising touching and sell, lever, external broach spring, interior Compress Spring, be provided with the cylinder body of upper and lower plunger shaft, interconnect and be placed in respectively described on, the upper piston in lower piston chamber and lower piston and contact switch, on described, lower piston is placed in respectively the upper of cylinder body, in lower piston chamber, lower piston chamber is built-in with damping oil, lower piston is provided with at least one intercommunicating pore, this hole is for being communicated with the lower piston chamber of being separated by lower piston, the two ends of described interior Compress Spring are connected with the bottom of lower piston and cylinder body respectively, described contact switch is placed in upper piston end one side, described lever is articulated with described cylinder body one side, first arm of force and second arm of force that pin joint is rotating fulcrum take in formation, described external broach spring action is in second arm of force, and the end of second arm of force upper piston of can conflicting, described shake-up pin is corresponding to the first arm of force position, when touching tactile first arm of force of pin pressure, described lever rotates, upper piston is moved to contact switch.
2. delay switch according to claim 1, is characterized in that, also comprises sealing ring, and accent place and lower piston that described sealing ring is located at lower piston chamber are tightly connected.
3. delay switch according to claim 1, is characterized in that, described contact switch is serially connected on the power circuit of described motor.
4. delay switch according to claim 1, is characterized in that, on described lever, the second stressed place of the arm of force is provided with groove, and described external broach spring is mounted in this groove by draw ring, and the pulling force of external broach spring is put on lever, forms second arm of force.
CN201310406056.2A 2013-09-09 2013-09-09 A kind of delay switch CN103617903B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310406056.2A CN103617903B (en) 2013-09-09 2013-09-09 A kind of delay switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310406056.2A CN103617903B (en) 2013-09-09 2013-09-09 A kind of delay switch

Publications (2)

Publication Number Publication Date
CN103617903A true CN103617903A (en) 2014-03-05
CN103617903B CN103617903B (en) 2015-09-16

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Family Applications (1)

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CN201310406056.2A CN103617903B (en) 2013-09-09 2013-09-09 A kind of delay switch

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0278796A1 (en) * 1987-01-14 1988-08-17 Gaetan M. Craipeau Folding wall table
CN88200810U (en) * 1988-01-31 1988-09-07 刘群 Controlled delay-action circuit breaker
CN1046065A (en) * 1989-03-28 1990-10-10 宋欢龄 Pull switch with automatic delay function
CN201045944Y (en) * 2007-06-21 2008-04-16 章高华 A folding type wall table
CN201601043U (en) * 2009-12-22 2010-10-06 上海金盾消防安全设备有限公司 Liquid damping delayer
CN202514944U (en) * 2012-04-05 2012-11-07 刘春华 Liftable mahjong table

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0278796A1 (en) * 1987-01-14 1988-08-17 Gaetan M. Craipeau Folding wall table
CN88200810U (en) * 1988-01-31 1988-09-07 刘群 Controlled delay-action circuit breaker
CN1046065A (en) * 1989-03-28 1990-10-10 宋欢龄 Pull switch with automatic delay function
CN201045944Y (en) * 2007-06-21 2008-04-16 章高华 A folding type wall table
CN201601043U (en) * 2009-12-22 2010-10-06 上海金盾消防安全设备有限公司 Liquid damping delayer
CN202514944U (en) * 2012-04-05 2012-11-07 刘春华 Liftable mahjong table

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