CN2908952Y

CN2908952Y - Mechanical valve time switch safety device

Info

Publication number: CN2908952Y
Application number: CN 200620085014
Authority: CN
Inventors: 张太平
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-05-28
Filing date: 2006-05-28
Publication date: 2007-06-06
Anticipated expiration: 2016-05-28

Abstract

The utility model relates to a mechanical timing switch safety device for valve used in gas, water and oil application. The device put a timer and valve together, comprising a valve (1), timer (2) and a lever linkage device. The timer (2) is connected to valve (1) by the lever linkage device which is used to control opening and closing of the valve (1). The lever linkage device comprises of a handwheel (4), a lever linkage part (3), a tension spring (6), and a torsional spring (7). The handwheel (4) with a lock pole (5) is mounted on the rotating shaft of the valve (1) and connected to the tension spring (6). The lever linkage part (3) is connected to the torsional spring (7), and form the fulcrum, gravity point and force point of the lever by associating with the lock pole (5), the timer (2), and a push rod on a timing knob (11). The device can automatically close or open the valve (1), and has the advantage of simple structure, and safe and reliable use. The utility model has the advantage of that is convenient for production and daily life, reducing the occurrence of accidents and wasting.

Description

Mechanical type valve time switch safety installations

One, technical field

The utility model is the mechanical type valve time switch safety installations of a kind of gas, water, the use of wet goods FLUID TRANSPORTATION.

Two, background technique

The development of society, existing valve types can not satisfy the different needs of current production, life, as: the appearance of solar water heater, the use of combustion gas, all wish to have a kind of timing device to control the water time, the service time of control combustion gas, and then avoid the error that may occur, and the accident that causes can avoid waste, energy saving.Also can save time, do other things at one time relievedly.

Present domestic gas, water, wet goods are carried, and the automatic open and close of the valve of use mostly are to use electric control equipment to realize, especially are suitable for large-scale valve.General produce, in the life, use this device, higher because of its complex structure, cost, should not adopt.In addition, on fuel oil, gas pipeline, use electrical control dangerous, the influence that is also had a power failure.Moreover Timed valve that can scheduled time switching does not have product available.In producing, living, more need a kind of simple and easy reliable, convenient and practical valve timer.

Three, summary of the invention

The purpose of this utility model is to carry to use for gas, water, wet goods a kind of mechanical type valve time switch safety installations is provided.It can be used for the timing automatic of gas, water, wet goods FLUID TRANSPORTATION closes or opens, and simple in structure, easy to use, safe, can reduce the generation of accidents such as fire, flood, combustion gas poisoning and avoids waste.

For achieving the above object, the technical solution adopted in the utility model is: timer and valve " are united two into one ", designed the lever linkage and made the two teamwork, make the valve timing automatic close or open by timer by the lever linkage.Be that it includes compositions such as timer, valve, lever linkage.Valve, timer are installed on the lever linkage, and timer connects with valve by the lever linkage.Cover the time of setting when timer after, make valve closing or unlatching by the lever linkage, thereby realize gas, water, oily stopping conveying or open conveying by timer.

The lever linkage includes housing, handle, lever STATEMENT OF FEDERALLY SPONSORED, extension spring, torsion spring etc.Housing is made up of upper and lower casing.Valve, timer are installed on the housing, and the rotating shaft of valve is in housing, and the timing knob of timer is on hull outside, and regularly knob is provided with the push rod that puts in the housing, and push rod can rotate with the timing knob.Handle is installed in the rotating shaft of valve, and an end of handle stretches out a side of housing (left side or right side), the other end connects with extension spring, and the other end of extension spring is fixed in the housing, and handle is provided with lock; Rotating shaft by handle drive valve realizes the opening and closing of valve.The lever STATEMENT OF FEDERALLY SPONSORED is leaned on an end and the housing hinge-coupled of valve and torsion spring is housed; The other end stretches out the opposite side (right side or left side) of housing, as the emergency action end.The middle part of lever STATEMENT OF FEDERALLY SPONSORED is provided with the locked groove that cooperates with the lock of handle, and regularly the push rod on the knob is close to the lever STATEMENT OF FEDERALLY SPONSORED.

Like this, the lever STATEMENT OF FEDERALLY SPONSORED from an end of housing hinge joint to the emergency action end that stretches out housing, be fulcrum, locked groove (emphasis) successively, promote position (force), emergency action end.Torsion spring is equipped with at the place at fulcrum, and the effect of torsion spring is: 1. when valve is in user mode (as opening), can guarantee that the locked groove of lever STATEMENT OF FEDERALLY SPONSORED pins lock, not allow the extension spring resilience; 2. make the lever STATEMENT OF FEDERALLY SPONSORED near and keep and the contacting of timing knob upper push-rod, accept the thrust of push rod.

When using the utility model, the timing knob of first rotary timer is set timing, and this moment, regularly the push rod of knob was thrown off the lever STATEMENT OF FEDERALLY SPONSORED.After press down handle, drive the rotating shaft of valve by handle, open (or closing) valve.At this moment, the lock on the handle is pinned by the locked groove on the lever STATEMENT OF FEDERALLY SPONSORED because of the torsion of torsion spring and stops that handle can not rebound.And the other end of handle has elongated extension spring, has also just stored the energy that handle resets.

After the timer timing, because of the also counter-rotating action together of counter-rotating and knob push rod together that releases energy.Near the lever STATEMENT OF FEDERALLY SPONSORED, prepare to push open the constraint of locked groove gradually to lock.When timer is covered time of setting, when regularly knob is got back to " 0 " position, under the promotion of push rod, make locked groove on the lever STATEMENT OF FEDERALLY SPONSORED remove suddenly and stop that under the pulling force of extension spring, extension spring resets the constraint of lock, valve closing (or opening) is drawn in the rotating shaft that drives valve again.

In the time of the setting of no show still, when needing emergency shutdown (or opening), only need press the lever STATEMENT OF FEDERALLY SPONSORED stretches out an end of housing (being the emergency action end), just can make the locked groove of lever STATEMENT OF FEDERALLY SPONSORED throw off lock artificially, handle resets under the effect of extension spring, but just emergency cut-off (or opening) valve.

The utlity model has following characteristics:

1, simple to operate: as only to need regularly knob timing of rotation, press lower handle and just can.Under case of emergency, also only need press the emergency action end of lever STATEMENT OF FEDERALLY SPONSORED, just can close (or unlatching) immediately.

2, regularly action: arrive set time and can close (or unlatching) valve automatically, the use that makes gas, water, wet goods has reduced the accident and the waste that cause because of careless, forget things etc. among control is expected.

3, safe in utilization: the each use all among insurance.Not timing, it is invalid to operate, and also just can not open (or closing) valve.

4, not electricity consumption, the influence that is not had a power failure; No electrical spark produces, also the accident with regard to having avoided causing because of electrical spark.

Four, description of drawings

Fig. 1 is the utility model structural representation;

Fig. 2 is the positive facial contour schematic representation of the utility model;

Fig. 3 is an A-A sectional view among Fig. 2.

Five, embodiment

Accompanying drawing is an embodiment of the present utility model, and present embodiment is to be example with the timing automatic closing valve door, and it includes compositions such as valve 1, timer 2, lever linkage.Timer 2 connects with valve 1 by the lever linkage, comes closing or opening of control valve 1 by timer 2 by the lever linkage, thereby realizes gas, water, oily stopping conveying or open conveying.

The lever linkage includes compositions such as housing 9, handle 4, lever STATEMENT OF FEDERALLY SPONSORED 3, extension spring 6, torsion spring 7.Housing 9 is made up of upper and lower casing, is equipped with slotted hole in the left and right sides of housing 9.Valve 1, timer 2 are fixed on the housing 9, and the rotating shaft of valve 1 is fixed with the push rod 8 that puts in the housing 9 on the timing knob 11 of timer 2 in housing 9, drive push rod 8 by timing knob 11 and rotate together.Handle 4 is installed in (rotating shaft of this moment just in time is in the position of throttle down 1) in the rotating shaft of valve 1, and slotted hole, the other end that an end of handle 4 stretches out housing 9 left sides connect with extension spring 6, and the other end of extension spring 6 is fixed in the housing 9, and handle 4 is provided with lock 5; Rotating shaft by handle 4 drive valves 1 realizes the opening and closing of valve 1.When handle 4 was pressed, valve 1 was opened; When handle 4 resetted, valve 1 was closed.One end of lever STATEMENT OF FEDERALLY SPONSORED 3 is in the left side and housing 9 hinge-coupled of valve 1 and torsion spring 7 is housed, the other end stretches out the slotted hole on housing 9 right sides; The middle part of lever STATEMENT OF FEDERALLY SPONSORED 3 is provided with the locked groove that cooperates with the lock 5 of handle 4, and the push rod 8 of timer leans against (on the right side of locked groove) on the lever STATEMENT OF FEDERALLY SPONSORED 3.Lever STATEMENT OF FEDERALLY SPONSORED 3 forms " lever " effect and effects, and its left end and housing 9 hinge joints place are " fulcrum ", and locked groove is " emphasis " to the pinning force of lock, and the point of action of 8 pairs of lever STATEMENT OF FEDERALLY SPONSORED 3 of push rod is " force ".

To the impact of housing 9, can flexible pipe 13 be set when rebounding in the upper edge of housing 9 left side slotted holes in order to alleviate handle 4; In order not damage lock, the U type groove 12 of a notch towards handle 4 is set in the lower edge of the left side of housing 9 slotted hole because of manually lifting handle 4.

During use, rotation earlier is knob 11 regularly, sets timing, and regularly the push rod 8 of knob 11 is thrown off lever STATEMENT OF FEDERALLY SPONSORED 3.After press down handle 4, drive the rotating shaft of valves 1 and open valve 1 by handle 4.Just water supply or confession combustion gas be can realize or fuel oil or heating etc. supplied.At this moment, the lock 5 on the handle 4 is compressed into the locked groove of lever STATEMENT OF FEDERALLY SPONSORED 3, and stopping of locked groove arranged, and handle 4 can not rebound; And the other end of handle 4 has elongated extension spring 6, and extension spring 6 has stored the energy that makes handle 4 resiliences.When arriving the time of setting, when regularly knob 11 was got back to " 0 " position, push rod 8 was pushed lever STATEMENT OF FEDERALLY SPONSORED 3 open, made the locked groove on the lever STATEMENT OF FEDERALLY SPONSORED 3 throw off lock 5, and handle 4 is return under the effect of extension spring 6, and throttle down 1 is rotated in the rotating shaft that drives valve 1 simultaneously.

In the time of the setting of no show still, when needing emergency shutdown, only need press lever STATEMENT OF FEDERALLY SPONSORED 3 stretches out an end of housing 9 (being the emergency action end), the locked groove of lever STATEMENT OF FEDERALLY SPONSORED 3 just can be thrown off lock 5, and handle 4 resets under the effect of extension spring 6, just can emergency cut-off valve 1.

When the utility model was used for opening valve 1 automatically, handle 4 was fixed on the open position of valve 1 rotating shaft.During use, press lower handle 4, valve 1 just is in closed condition, when arriving set time, just opens valve 1 automatically.

Therefore the utility model is simple in structure, and is easy to operate, uses reliable and secure. Can timing automaticly close Close or open valve 1. Have convenient production, life, the characteristics such as the generation of effectively minimizing accident and waste.

Claims

1, a kind of mechanical type valve time switch safety installations, include valve (1), it is characterized in that also including timer (2), lever linkage, valve (1), timer (2) are installed on the lever linkage, and timer (2) connects with valve (1) by the lever linkage.

2, mechanical type valve time switch safety installations according to claim 1, it is characterized in that described lever linkage includes housing (9), handle (4), lever STATEMENT OF FEDERALLY SPONSORED (3), extension spring (6), torsion spring (7), valve (1), timer (2) is installed on the housing (9), the rotating shaft of valve (1) is in housing (9), the timing knob (11) of timer (2) is on housing (9) outside, regularly knob (11) is provided with the push rod (8) that puts in the housing (9), push rod (8) can rotate with timing knob (11), handle (4) is installed in the rotating shaft of valve (1), one end of handle (4) stretches out a side of housing (9), the other end connects with extension spring (6), the other end of extension spring (6) is fixed in the housing (9), handle (4) is provided with lock (5), and lever STATEMENT OF FEDERALLY SPONSORED (3) is by an end and housing (9) hinge-coupled of valve (1), and torsion spring (7) is housed; The other end stretches out the opposite side of housing (9), and the middle part of lever STATEMENT OF FEDERALLY SPONSORED (3) is provided with the locked groove that cooperates with the lock (5) of handle (4), and regularly the push rod (8) on the knob (11) is close to lever STATEMENT OF FEDERALLY SPONSORED (3).