CN2405094Y

CN2405094Y - Automatic shut-off actuator for indoor gas pipeline when earthquake or leakage

Info

Publication number: CN2405094Y
Application number: CN 99250951
Authority: CN
Inventors: 汤木生
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-11-18
Filing date: 1999-11-18
Publication date: 2000-11-08
Anticipated expiration: 2009-11-18

Abstract

The automatic shut-off actuator for indoor gas pipeline when earthquake or leakage in the utility model belongs to the automatic valve technical field. The utility model substantially is an actuator which automatically controls the valve to shut off the gas pipeline in case of earthquake or leakage. The utility model comprises the actuator, which shuts off the valve of the gas pipeline, a double-functional auto-control part when earthquake or gas leakage happens, a connecting plate and matching components. The actuator can be directly fixed on the valve or the handle of the gas pipeline, without adding other components. The economical and practical utility model is simple in structure, low in cost and reliable in technique. The utility model is easy accepted by the users and also is conveniently popularized. The utility model can be adopted for the valve or switch of the control circuit, air course, water course or oil path.

Description

The gas spanner is closed in building gas pipe, service pipe, indoor pipe earthquake, leakage automatically

Building gas pipe, service pipe, indoor pipe earthquake described in the utility model, leakage are closed the gas spanner automatically and are belonged to the automatic valve technical field, and what be specifically related to is a kind of spanner that building gas pipe, service pipe, indoor pipe autocontrol valve when earthquake or leakage closes gas.

About the safety device of building gas pipe, service pipe, indoor pipe anti-leak, protection against and mitigation of earthquake disasters, have his own strong points such as all autocontrol valves that occur etc., because of satisfying various technical requirementss, cost price is higher.Therefore, designing safety device that the former valve of gas pipeline of a kind of automatic control can reach the protection against and mitigation of earthquake disasters purpose is economical and needs.

But goal of the invention of the present utility model be to society release the matching used not only anti-leak of a kind of and fuel gas pipeline leakage alarm but also can be before ruinous earthquake takes place automatically with the wrench device of valve of gas pipeline shutoff.

Technological scheme described in the utility model is as follows: a kind of building gas pipe, service pipe, indoor pipe earthquake, leak and close the gas spanner automatically, by spanner that turn-offs valve of gas pipeline and automatic control section thereof, also have with the connecting plate of gas pipeline installation and the component assembling of supporting installation and form, technical characterstic is: the spanner of the described shutoff valve of gas pipeline of a. need be controlled on the valve or handle of shutoff by self or the packaged gas pipeline that fits over of its adjustment of wearing, installation ring that the peripheral oriented connecting plate that piece is adjusted in this spanner installation is outstanding and the nested cooperation installation of giving prominence to spanner with connecting plate of ring, this spanner tail end also is that the rope that links to each other with automatic control section is arranged; B. the automatic control section of described spanner comprises the automatic control section of earthquake and the automatic control section of gas leakage, this two-part structure comprise an earthquake can feel vibrations that do with the spheroid action of gas leakage may command and ball on binding the rope of controlling spanner, and the horizontal trailing arm and the bearing of ball, and be arranged on bearing center portion servo-actuated post moving up and down, also have and servo-actuated post lower end lever in succession, lever is connected on the horizontal trailing arm by its middle part fulcrum, assembled by the electromagnet etc. of gas leakage SC sigmal control adhesive lever action.It is to be noted: bearing and the horizontal trailing arm of placing spheroid must keep level, the size of the size of maintenance level and spheroid, weight and ball and bearing surface of contact constitutes the sensitivity and the fortification intensity accuracy of action of earthquake protection spheroid sense shake, the theory of relevant above-mentioned all relations and design all and can search from the theory of known earthquake and interrelated data and realize.When earthquake, when reaching the intensity of earthquake and when above of setting up defences, spheroid sense shake tumbles and descend from the bearing of level, and ball pulling rope and then pulling are installed in spanner pulling valve on valve of gas pipeline or the handle and revolve and turn 90 degrees the result of realization valve closing.Described anti-gas leakage control automatically is matching used with the gas leakage autoalarm, when gas leakage, alarm equipment alarm, alarm signal makes lever action through lead control electromagnetic actuation, servo-actuated post in the jack-up bearing falls spheroid, by rope pulling spanner valve of gas pipeline is closed.C. described spanner also has retaining spring, this retaining spring one end is fixed on the pillar of Wrench head, the other end is fixed on the pillar of connecting plate, spanner is in treats that operating position and spanner are drawn to by the rope of ball that to close the gas position all be that spring expands and extends the limit when spending, and control to locked position to spanner just.

The gas spanner is closed in aforesaid building gas pipe, service pipe, indoor pipe earthquake, leakage automatically, its technical characterstic also has: the adjustment piece of the described spanner of a. is that look valve of gas pipeline or handle shape and vary in size can matching used a plurality of adjustment pieces, its central part is the square hole shape, the interior round close fit of its cylindrical and spanner mouth, and the interior circle of spanner mouth be provided with the quartering that tooth that quartering circumference inwardly stretches again just is provided with on adjusting the piece outer circumferential edge circumferential in gap form the close fit of tooth mouth.B. described spanner and nested installation ring between connecting plate can be that the convex-concave slot type is lived and cooperated or bearing work cooperating structure is housed between the two; C. described connecting plate is provided with gas pipeline and vertically is connected and/or termination connected horizontally.The connecting end head is provided with mounting hole, this spanner can be installed with gas pipeline by the component that mounting hole, mounting bar and bolt and nut etc. are installed.

Advantage of the present utility model is a lot, and this spanner can directly be contained on valve of gas pipeline or the handle, need not to add other component again, and with low cost so it is simple in structure, technology is reliable, and is economical and practical, is easy to the user and accepts, and also is convenient to promote the use of.It can be used on such as the anti-earthquake of all gas pipelines of tame family, dining room or the like, anti-leak aspect, also can be used on the valve or the switch aspect of control circuit, gas circuit, water route, oil circuit.

Accompanying drawing of the present utility model has three width of cloth.

Fig. 1 is the structural representation that the gas spanner is closed in building gas pipe, service pipe, indoor pipe earthquake, leakage automatically;

Fig. 2 is the building gas pipe, service pipe, indoor pipe earthquake, leaks and close the plan view that the gas spanner is installed automatically;

Fig. 3 is the structural representation that ring is installed between spanner and connecting plate;

In Fig. 1: 1. connecting plate; 2. spanner; 3. adjustment piece; 4. restrict; 5. servo-actuated post; 6. bearing; 7. ball; 8. electromagnet; 9. lever; 10. lead; 11. horizontal trailing arm; 12. fulcrum; 13. post; 14. spring; 15. square hole and valve handle; 16. tooth and mouth; 17. mounting hole; In Fig. 2: 18. bolt and nuts; 19. mounting bar; 20. gas pipeline; 21. the installation ring of connecting plate; In Fig. 3, a figure is the cooperating structure cut-away view alive that is added with bearing between ring, and b figure is the cooperating structure cut-away view alive that is the convex-concave slot type between ring, among the figure: the installation ring of 22. spanners; 23. bearing; 24. convex-concave slot type structure; 25. spanner handle.Be noted that spanner does not have the adjustment piece in Fig. 3, Fig. 2, Fig. 3 are the connecting plate myope.

Non-limiting examples of the present utility model is as follows:

Example one. the gas spanner is closed in building gas pipe, service pipe, indoor pipe earthquake, leakage automatically.

This routine building gas pipe, service pipe, indoor pipe earthquake, leak close the gas spanner automatically structure by Fig. 1--Fig. 3 unites and illustrates.Fig. 1 illustrates building gas pipe, service pipe, indoor pipe earthquake of the present utility model, leaks the concrete structure that closes the gas spanner automatically, Fig. 2 then illustrates the building gas pipe, service pipe, indoor pipe earthquake, leaks the situation of overlooking that the gas spanner is installed of closing automatically, and this is the situation that this spanner is installed with the gas pipeline of capwise.At Fig. 1--among Fig. 3, connecting plate 1 is installed on the gas pipeline 20 by the mounting hole on it 17 and bolt and nut 18 and mounting bar 19, spanner 2 by self or its adjustment piece 3 of wearing be assemblied in gas pipeline 20 need valve that control turn-offs 15 or handle on, the adjustment piece 3 of spanner 2 is that some look valve of gas pipeline or handle shape and vary in size can matching used adjustment piece 3, the central part of adjusting piece 3 is square hole shape 15, the interior round close fit of its cylindrical and spanner mouth, and the interior circle of spanner mouth be provided with the quartering that tooth that quartering circumference inwardly stretches again just is provided with on adjusting the piece outer circumferential edge circumferential in gap form tooth and mouth 16 close fits.Installation ring 22 that the peripheral oriented connecting plate 1 that piece 3 is adjusted in these spanner 2 installations is given prominence to and the ring 21 nested cooperations installations of giving prominence to spanner 2 with connecting plate 1, spanner 2 is equipped with bearing 23 structures that cooperate alive between the two with the nested installation ring 21 and 22 of 1 of connecting plate.The tail end of this spanner handle 25 also is that the rope 4 that links to each other with automatic control section is arranged, the automatic control section of this routine spanner 2 comprises the automatic control section of earthquake and the automatic control section of gas leakage, this two-part structure comprises that one can be felt that vibrations are done and binding the rope 4 of controlling spanner 2 on the Metal Ball 7 of gas leakage may command action and ball 7 when earthquake, and the horizontal trailing arm 11 and bearing 6 of Metal Ball 7, and be arranged on bearing 6 center portions servo-actuated post 5 moving up and down, also have and servo-actuated post 5 lower ends lever 9 in succession, lever 9 is connected on the horizontal trailing arm 11 by the fulcrum 12 at its middle part, assembled by electromagnet 8 grades of gas leakage signal input lead 10 control adhesive levers 9 actions.Spanner 2 also has retaining spring 14, and these retaining spring 14 1 ends are fixed on the pillar 13 of spanner 2 heads, and the other end is fixed on the pillar 13 of connecting plate 1.It is to be noted: the bearing 6 and horizontal trailing arm 11 necessary maintenance levels of placing Metal Ball 7, must the maintenance level and size, weight and the ball 7 of Metal Ball 7 and the size of bearing 6 surface of contact constitute the sensitivity and the fortification intensity accuracy of action of earthquake protection spheroid sense shake, the theory of relevant above-mentioned all relations and design all and can from the theory of known earthquake and interrelated data, search and realize.When earthquake, when reaching the intensity of earthquake and when above of setting up defences, Metal Ball 7 sense shake tumbles and descend from the bearing 6 of level, ball 7 pulling ropes 4 and then pulling be installed in valve of gas pipeline 15 or handle on spanner 2 pulling valve revolve 15 and turn 90 degrees the result of realization valve closing.Described anti-gas leakage control automatically is matching used with the combustion gas autoalarm, when gas leakage, alarm equipment alarm, alarm signal is through 8 adhesives of lead 10 control electromagnet, make lever 9 actions, servo-actuated post 5 in the jack-up bearing 6 falls Metal

Ball

7, and 4 pulling spanners 2 cut out valve of gas pipeline by restricting.Can make the gas pipeline switch logical again afterwards, spanner is reset to treats operating state.

Example two. the gas spanner is closed in building gas pipe, service pipe, indoor pipe earthquake, leakage automatically.

This routine building gas pipe, service pipe, indoor pipe earthquake, leak the structure of closing the gas spanner automatically and unite by Fig. 1 and Fig. 3 and illustrate.Example one has been described in detail building gas pipe, service pipe, indoor pipe earthquake of the present utility model, has leaked the concrete structure that closes the gas spanner automatically, the described building gas pipe, service pipe, indoor pipe earthquake of this example, leak close automatically the gas spanner different with example one described spanner be: 1. spanner that should example is to install with the gas pipeline that level is moved towards; 2. the ball of sense shake warning can be in stone material, that cement is made or the Metal Ball cavity weights such as sand, stone to be housed to make; 3. spanner that should example and the nested installation ring between connecting plate can be the convex-concave slot type cooperating structures of living, as as shown in the b of Fig. 3 figure, this routine spanner 2 is that convex-concave slot type structure 24 is lived and cooperated installation with the nested installation ring 21 and 22 of 1 of connecting plate between the two.What all the other were not stated is same as described in the example one entirely, no longer repeats.

Claims

1. a building gas pipe, service pipe, indoor pipe earthquake, leak and close the gas spanner automatically,, also have the connecting plate installed with gas pipeline and the component assembling of supporting installation to form, be characterised in that by spanner that turn-offs valve of gas pipeline and control section automatically thereof:

The spanner of a. described shutoff valve of gas pipeline fits on the valve or handle that gas pipeline need control by self or its adjustment of wearing are packaged, installation ring that the peripheral oriented connecting plate that piece is adjusted in this spanner installation is outstanding and the nested cooperation installation of giving prominence to spanner with connecting plate of ring, this spanner tail end also is that the rope that links to each other with automatic control section is arranged;

B. the automatic control section of described spanner comprises the automatic control section of earthquake and the automatic control section of gas leakage, this two-part structure comprise an earthquake can feel vibrations that do with the spheroid action of gas leakage may command and ball on binding the rope of controlling spanner, and the horizontal trailing arm and the bearing of ball, and be arranged on bearing center portion servo-actuated post moving up and down, also have with servo-actuated post lower end in succession lever and formed by the electromagnet assembling of gas leakage SC sigmal control adhesive lever action;

C. described spanner also has retaining spring, and this retaining spring one end is fixed on Wrench head, and the other end is fixed on the connecting plate.

2. the gas spanner is closed in building gas pipe, service pipe, indoor pipe earthquake as claimed in claim 1, leakage automatically, it is characterized in that:

A. the adjustment piece of described spanner is that look valve of gas pipeline or handle shape and vary in size can matching used adjustment piece;

B. described spanner and nested installation ring between connecting plate can be that the convex-concave slot type is lived and cooperated or bearing work cooperating structure is housed between the two;

C. described connecting plate is provided with gas pipeline and vertically is connected and/or termination connected horizontally.