Air pressure alarm device and air delivery pipe

Abstract

The air pressure alarm device comprises a metal sleeve, a floating piece and an alarm device, the floating piece is movably arranged in an inner cavity of the metal sleeve, the floating piece can float in the metal sleeve under the action of pressure change of the air conveying pipe so as to drive a trigger assembly to act, and therefore the alarm piece can be switched among a plurality of alarm states.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas pipeline alarm technology, more particularly, relate to a kind of air pressure alarm device and gas pipe. BACKGROUND

[0002] At present in production, the use of compressed air provides very great convenience for production, but sometimes, air compressor failure downtime, pipeline gas leakage, gas pipe blockage etc. occur, leading to insufficient air pressure, and need to spend time to determine fault point, bring inconvenience to production. SUMMARY

[0003] The utility model embodiment provides a kind of air pressure alarm device and gas pipe, can carry out air pressure alarm.

[0004] The utility model embodiment further provides a kind of air pressure alarm device, comprising: metal sleeve pipe is set to be connected with gas pipe, and its inner cavity is communicated with the gas pipe;Floating member is movably arranged in the inner cavity of the metal sleeve pipe;Alarm device includes trigger assembly matched with the metal sleeve pipe and the floating member, and alarm member connected with the trigger assembly;The floating member can float in the metal sleeve pipe under the action of the pressure change of the gas pipe, drive trigger assembly to act, so that the alarm member is switched between multiple alarm states.

[0005] In one exemplary embodiment, the air pressure alarm device further includes an elastic element provided in the inner cavity of the metal sleeve pipe and providing a restoring force for the floating member, and the elastic element is arranged between the floating member and the inner wall of the metal sleeve pipe.

[0006] In one exemplary embodiment, the floating member is a sliding block arranged in the inner cavity of the metal sleeve pipe and capable of sliding in the inner cavity of the metal sleeve pipe.

[0007] The sliding block includes a main body and a blocking portion arranged at the outer end of the main body and separating the inner cavity of the metal sleeve pipe and the inner cavity of the gas pipe.

[0008] In one exemplary embodiment, the metal sleeve pipe is provided with a guide column, and the sliding block is movably sleeved on the outer wall of the guide column and capable of ascending and descending under the guidance of the guide column.

[0009] In one exemplary embodiment, the trigger assembly includes a first switch element arranged in the inner cavity of the metal sleeve pipe and a second switch element arranged on the floating member and capable of energizing in cooperation with the first switch element.

[0010] When the floating member rises under the action of the air pressure in the gas pipe, the first switch element and the second switch element are separated, and the alarm member is in a first alarm state.

[0011] When the floating member descends under the action of the gas pressure in the gas pipe, the first switch element and the second switch element come into contact and are energized, and the alarm element is in the second alarm state.

[0012] In an exemplary embodiment, the second switch element is provided at the inner end of the floating member, and the first switch element includes a pair of first switch elements respectively provided at two lateral ends of the second switch element and cooperating with corresponding ends of the second switch element for sensing.

[0013] In an exemplary embodiment, the alarm component is a display light, the display light is connected to the first switch element through a circuit, and the second switch element controls the on and off of the circuit.

[0014] In an exemplary embodiment, the air pressure alarm device also includes a pressure regulating device that is equipped with the elastic element and is used to adjust the tensioning force of the elastic element. The pressure regulating device includes a pressing portion that presses the elastic element, and a knob that adjusts the pressing force of the pressing portion to press the elastic element.

[0015] An embodiment of the present application further provides a gas transmission pipe, comprising: a pipe body, and an air pressure alarm device as described in any of the above embodiments, which is arranged on the pipe body.

[0016] In an exemplary embodiment, the air pressure alarm device includes a plurality of air pressure alarm devices, which are spaced apart along the length direction of the gas pipe; the metal sleeve is screwed to the gas pipe through threads, and the screw connection is sealed by a seal.

[0017] The floating part of the air pressure alarm device in the embodiment of the utility model can float in the metal casing under the action of the pressure change of the gas pipeline, driving the trigger component to operate, so that the alarm component switches between multiple states, thereby mechanically monitoring and alarming the air pressure in the gas pipeline. The structure is simple and reliable, and the fault tolerance rate in the production process is reduced.

[0018] Other features and advantages of the present invention will be described in the following description, and in part will become apparent from the description, or understood by practicing the present invention. The purpose and other advantages of the present invention can be achieved and obtained through the structures particularly pointed out in the description and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings are used to provide a further understanding of the technical solution of the present invention and constitute a part of the specification. Together with the embodiments of the present application, they are used to explain the technical solution of the present invention and do not constitute a limitation on the technical solution of the present invention.

[0020] Figure 1This is a schematic diagram of the air pressure alarm device of the present utility model;

[0021] Figure 2 This is a schematic diagram of a gas pipeline equipped with an air pressure alarm device according to the present invention. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the present invention more clear, the embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other in any way.

[0023] like Figure 1 、 Figure 2 As shown, an embodiment of the present invention provides an air pressure alarm device 100 and a gas pipe 200 on which the air pressure alarm device 1 is installed. The air pressure alarm device 1 can monitor the gas pressure in the gas pipe 200 and alarm when under predetermined conditions. The predetermined requirement can be insufficient pressure in the pipeline or excessive pressure in the pipeline.

[0024] like Figure 1 、 Figure 2 As shown, the air pressure alarm device 100 of the embodiment of the present invention includes a metal sleeve 1, a floating member 2 movably provided in the inner cavity of the metal sleeve 1, and an alarm device 3. The metal sleeve 1 is configured to be connected to the gas pipe 200, and its inner cavity is communicated with the inner cavity of the gas pipe 200. The floating member 2 is movably provided in the inner cavity of the metal sleeve 1; the alarm device 3 includes a trigger assembly 30 equipped with the metal sleeve 1 and the floating member 2, and an alarm member 31 connected to the trigger assembly 30. The floating member 2 can float in the metal sleeve 1 under the action of the pressure change in the inner cavity of the gas pipe 200, and drive the trigger assembly 30 to operate, so that the alarm member 31 switches between multiple alarm states. The multiple states include an alarm state and a non-alarm state, etc.

[0025] The floating part 2 of the air pressure alarm device 100 of the embodiment of the utility model can float in the inner cavity of the metal sleeve 1 under the action of the pressure change of the gas pipe 200, driving the trigger component 30 to operate, so that the alarm part 31 switches between multiple alarm states, thereby mechanically monitoring and alarming the air pressure in the gas pipe 200. The structure is simple and reliable, and the fault tolerance rate in the production process is reduced.

[0026] like Figure 1 As shown, the air pressure alarm device 100 of the present embodiment further includes an elastic element 4 disposed within the inner cavity of the metal sleeve 1 and providing a force to return the floating member 2. One end of the elastic element 4 abuts against the floating member 2, and the other end abuts against the inner top wall of the metal sleeve 1. When the gas pressure acting on the floating member 2 decreases or disappears, the elastic element 4 provides the force to return the floating member 2.

[0027] The floating member 2 in the embodiment is a slider arranged in the inner cavity of the metal sleeve 1 and slidable in the inner cavity of the metal sleeve 1, and the slider comprises a main body 20 and a blocking part 21 arranged at the outer end of the main body 20 (close to one end of the gas conveying pipe 200) and separating the inner cavity of the metal sleeve 1 and the inner cavity of the gas conveying pipe 200. The blocking part 21 blocks the gas in the inner cavity of the gas conveying pipe 200, so that the change of the gas pressure in the inner cavity of the gas conveying pipe 200 can act on the floating member 2 in time, and the floating member 2 can more sensitively sense the change of the gas pressure.

[0028] As shown in Figure 1 , the metal sleeve 1 is provided with a guide column 10, and the floating member 2 is movably sleeved on the outer wall of the guide column 10 and can be guided to ascend and descend by the guide column 10. The guide column 10 can guide the stable ascending and descending of the floating member 2.

[0029] As shown in Figure 1 , the triggering assembly 30 comprises a first switch element 301 arranged in the inner cavity of the metal sleeve 1 and a second switch element 302 arranged on the floating member 2 and cooperating with the first switch element 301. When the floating member 2 ascends under the action of the gas pressure and the first switch element 301 is separated from the second switch element 302, the alarm member 31 is in a non-alarming state. When the floating member 2 descends under the action of the gas pressure and the first switch element 301 is in contact with the second switch element 302, the alarm member 31 is in an alarming state.

[0030] As shown in Figure 1 , the second switch element 302 is arranged at the inner end of the floating member 2; the first switch element 301 comprises two first switch elements 301 respectively arranged at the two ends of the second switch element 302 in the transverse direction and cooperating with the corresponding end parts of the second switch element 302. In the embodiment, the alarm member 31 is a display lamp, and is connected with the first switch element 301 and the second switch element 302 through a circuit, and the second switch element 302 controls the on-off of the circuit. The alarm member 31 can also be a language element, which is not limited herein.

[0031] The gas pressure alarm device 100 further comprises a pressure adjusting device (not shown), which is matched with the elastic element and adjusts the predetermined value of the monitored gas pressure by adjusting the tension of the elastic element, so that the gas pressure alarm device 100 can monitor the gas with different pressures in the gas conveying pipe 200. The pressure adjusting device can comprise a pressing part pressing the elastic element and a knob adjusting the pressing force of the pressing part on the elastic element.

[0032] As shown in Figure 2As shown, the utility model embodiment further provides a gas pipeline 200, include: pipe body, and be located pipe body's as above described embodiment gas pressure alarm device 100. Gas pressure alarm device 100 includes multiple, and along the length direction interval arrangement of gas pipeline. Metal sleeve 1 and gas pipeline 200 are through thread joint, and are sealed at the joint through sealing element (not shown).

[0033] When the gas pressure in the pipe body of gas pipeline 200 reduces, the position of floating piece 2 reduces, drives second switch element 302 and first switch element 301 contact, circuit is conducted, display lamp is warned. When the gas pressure in the pipe body of gas pipeline 200 rises, the position of floating piece 2 rises, drives second switch element 302 and first switch element 301 separate, disconnect circuit, display lamp does not show, indicates that pipeline gas pressure is normal.

[0034] In the description of the utility model, it is necessary to explain that the terms "upper", "lower", "one side", "the other side", "one end", "the other end", "edge", "opposite", "four corners", "periphery", "mouth" structure "etc. The orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawing, and is only for the convenience of describing the 'utility model' and simplifying the description, and does not indicate or imply that the structure indicated has a particular orientation, is constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0035] In the description of the utility model embodiment, unless otherwise explicitly specified and limited, the terms "connection", "direct connection", "indirect connection", "fixed connection", "installation", "assembly" should be understood broadly, for example, it can be fixed connection, can be detachable connection, or integrally connected, the terms "installation", "connection", "fixed connection" can be directly connected, or indirectly connected through intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0036] Although the embodiments disclosed by the utility model are as above, the content described is only for the convenience of understanding the utility model and is not used to limit the utility model. Any person skilled in the art in the field to which the utility model belongs can make any modification and change in the form and details without departing from the spirit and scope of the utility model disclosed by the utility model. The patent protection scope of the utility model still needs to be defined by the appended claims.

Claims

1. An air pressure alarm device, characterized in that: include: a metal sleeve, configured to be connected to the gas pipe, and having an inner cavity thereof in communication with the gas pipe; a floating member movably disposed in the inner cavity of the metal sleeve; The alarm device includes a trigger assembly equipped with the metal sleeve and the floating part, and an alarm part connected to the trigger assembly; the floating part can float in the metal sleeve under the action of the pressure change of the gas pipe, driving the trigger assembly to operate, so that the alarm part switches between multiple alarm states.

2. The air pressure alarm device according to claim 1, characterized in that: It also includes an elastic element that is arranged in the inner cavity of the metal sleeve and provides a restoring force for the floating member, and the elastic element abuts between the floating member and the inner wall of the metal sleeve.

3. The air pressure alarm device according to claim 2, characterized in that: The floating member is a slider provided in the inner cavity of the metal sleeve and capable of sliding in the inner cavity of the metal sleeve; The slider includes a main body and a blocking portion which is arranged at the outer end of the main body and separates the inner cavity of the metal sleeve and the inner cavity of the gas pipe.

4. The air pressure alarm device according to claim 3, characterized in that: The metal sleeve is provided with a guide column, and the sliding block is movably sleeved on the outer wall of the guide column and can be lifted and lowered under the guidance of the guide column.

5. The air pressure alarm device according to claim 1, characterized in that: The trigger assembly includes a first switch element provided in the inner cavity of the metal sleeve, and a second switch element provided in the floating member and cooperating with the first switch element to be energized; When the floating member rises under the action of the gas pressure in the gas pipe, the first switch element is separated from the second switch element, and the alarm element is in the first alarm state; When the floating member descends under the action of the gas pressure in the gas pipe, the first switch element and the second switch element come into contact and are energized, and the alarm element is in the second alarm state.

6. The air pressure alarm device according to claim 5, characterized in that: The second switch element is provided at the inner end of the floating member, and the first switch element comprises a pair of first switch elements respectively provided at two lateral ends of the second switch element and cooperating with corresponding ends of the second switch element for sensing.

7. The air pressure alarm device according to claim 5, characterized in that: The alarm component is a display light, which is connected to the first switch element through a circuit, and the second switch element controls the on and off of the circuit.

8. The air pressure alarm device according to claim 2, characterized in that: It also includes a pressure regulating device equipped with the elastic element and used to adjust the tension of the elastic element. The pressure regulating device includes a pressing portion that presses the elastic element and a knob that adjusts the pressing force of the pressing portion on the elastic element.

9. A gas transmission pipe, characterized in that: include: A tube body, and an air pressure alarm device according to any one of claims 1 to 8 provided on the tube body.

10. The gas transmission pipe according to claim 9, characterized in that: The air pressure alarm device includes multiple ones, and is arranged at intervals along the length direction of the pipe body of the gas pipe; the metal sleeve is screwed to the gas pipe through threads, and the screw connection is sealed by a seal.

Images