CN217403670U

CN217403670U - Spring tube type pressure gauge for fire extinguisher

Info

Publication number: CN217403670U
Application number: CN202220345411.4U
Authority: CN
Inventors: 朱伟飞; 朱瑜辉; 黄慧
Original assignee: Jiangshan City Honghui Automation Gauge Co ltd
Current assignee: Jiangshan City Honghui Automation Gauge Co ltd
Priority date: 2022-02-21
Filing date: 2022-02-21
Publication date: 2022-09-09
Anticipated expiration: 2032-02-21

Abstract

The utility model relates to a spring tube pressure gauge for fire extinguisher, including the watchcase that watchcase barrel and translucent cover enclose, the watchcase barrel is connected with screwed joint, is equipped with intercommunication seat and spring pipe in the watchcase, and the intercommunication seat passes through the trachea and communicates with screwed joint, and the watchcase barrel is located and is equipped with ring channel and barrel portion screw hole on the terminal surface of translucent cover end, and the translucent cover is equipped with the shirt rim and is located the outside a plurality of first connection ears of translucent cover, and first connection ear is equipped with the bolt through-hole, and the shirt rim is worn to establish in the ring channel, and connecting bolt passes with behind the connecting through-hole on the first connection ear threaded connection threaded hole will the translucent cover links together with the watchcase barrel, and the inside wall of ring channel highly is greater than the height of the lateral wall of ring channel. The utility model has the advantages of convenient and sealed effectual when the watchcase is dismantled, inconvenient problem when having solved current fire extinguisher pressure gauge and having sealed the dismantlement that leads to with sticky for watchcase barrel and translucent cover together and open.

Description

Spring tube type pressure gauge for fire extinguisher

Technical Field

The utility model relates to a fire-fighting equipment especially relates to a spring tube formula manometer for fire extinguisher.

Background

Fire extinguishers are a consumer appliance that has been commonly used. A pressure gauge is typically provided in the fire extinguisher to indicate the pressure within the fire extinguisher. The pressure gauge commonly used in the fire extinguisher is a spring tube pressure gauge. Along with the development of science and technology, the demand of thing networking, need can long-range pressure that acquires the fire extinguisher so that carry out remote monitoring, and current spring tube manometer can not satisfy the demand that the thing networking used. The existing spring tube type pressure gauge is sealed by connecting the watchcases together in a sealing way, so that the disassembly is inconvenient for internal maintenance.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a first purpose aims at providing a convenient and sealed effectual fire extinguisher spring tube pressure gauge when watchcase is dismantled, has solved current fire extinguisher pressure gauge and has sealed the inconvenient problem when dismantling that leads to with watchcase barrel and translucent cover together with the adhesive.

The utility model discloses a second purpose aims at providing one kind and can be by the long-range fire extinguisher spring tube pressure gauge who acquires pressure data, and the spring tube pressure gauge of having solved current fire extinguisher can not be applied to the problem of thing networking.

The technical problem is solved by the following technical scheme: a spring tube type pressure gauge for a fire extinguisher comprises a shell barrel and a transparent cover which is sealed at the opening end of the shell barrel, wherein the shell barrel is connected with a hollow threaded joint, the shell barrel and the transparent cover enclose a shell, a communicating seat, a dial plate, a pointer for indicating the scale of the dial plate and a spring tube for driving the pointer are arranged in the shell, the communicating seat is fixedly connected with the shell, the communicating seat is communicated with the threaded joint through an air tube, the communicating seat is connected with the spring tube so that the spring tube is driven by gas input from a connecting tube, the spring tube pressure gauge is characterized in that an annular groove which extends along the circumferential direction of the shell barrel is arranged on the end surface of the shell barrel at the end of the transparent cover, a plurality of barrel threaded holes which extend along the circumferential direction of the shell barrel are arranged on the end surface of the shell barrel at the end of the transparent cover, the threaded holes are arranged on the periphery of the annular groove, the transparent cover is provided with a skirt edge and a plurality of first connecting lugs which are arranged outside the transparent cover, the first connecting lug is provided with a bolt through hole, the skirt edge penetrates through the annular groove, the transparent cover connecting bolt penetrates through the connecting through hole in the first connecting lug and then is in threaded connection with the threaded hole to connect the transparent cover and the watchcase barrel together, and the height of the inner side wall of the annular groove is larger than that of the outer side wall of the annular groove. The two parts forming the watchcase are fixedly connected through the bolts, and the dismounting is convenient. This technique makes the positive all can not intake when putting upside down of watchcase, reaches and need not the waterproof sealing of sealing element also that realization under the positive and negative state. And the meter case can be conveniently detached to maintain the inside.

Preferably, the outer diameter of the skirt is larger than or equal to the inner diameter of the outer side wall of the annular groove, a plurality of second connecting lugs distributed along the circumferential direction of the transparent cover are arranged outside the transparent cover, the second connecting lugs are provided with transparent cover part threaded through holes, and the transparent cover part threaded through holes are aligned with the end face, located at the transparent cover end, of the watchcase barrel. Can improve the waterproof and dustproof capacity and can be disassembled in a labor-saving way. When the transparent cover is detached, the transparent cover is connected in the thread through hole of the transparent cover part through the bolt threads to jack the transparent cover and the shell barrel body apart.

Preferably, a chamfer surface is arranged between the end surface of the skirt and the outer peripheral surface of the skirt, and the outer diameter of the end surface of the skirt is smaller than the inner diameter of the outer side wall of the annular groove. The transparent cover and the shell barrel are convenient to mount.

Preferably, a pressure sensor for checking the pressure of the gas in the threaded joint, a power supply and a data transmission device for transmitting pressure data detected by the pressure sensor are arranged in the watch case, and the power supply is used for supplying power to the pressure sensor and the data transmission device. This technical scheme can enough like current manometer manual work read the pressure value, has the digital transmission that can acquire pressure sensor through data transmission device and leaves the automatic control of supply thing networking and use. The second object of the invention is achieved.

Preferably, the pressure sensor, the power supply and the data transmission device are located between the dial and the case barrel.

Preferably, the pressure sensor, power supply and data transmission means are shielded by the dial.

Preferably, one end of the screw joint is located in the case, and the air pipe is connected to a portion of the screw joint located in the case. The modularization of the existing part of the pressure gauge is realized.

Preferably, the air pipe is a hose. The spring tube is convenient to move for maintaining the electric parts.

Preferably, the communication seat is provided with a communication seat supporting step, and the dial plate is sleeved on the communication seat and supported on the supporting step.

Preferably, the dial is connected with the transparent cover through a dial connecting bolt, the communicating base is connected with the dial in a tight fit mode, and the communicating base is disconnected with the shell barrel.

The utility model has the advantages of that: the pressure reading can be directly acquired on the fire extinguisher through eyes, and the pressure data can be transmitted so as to carry out Internet of things control.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a partially enlarged schematic view of a portion B of fig. 1.

In the figure: the watch case comprises a watch case barrel 1, a transparent cover 2, a threaded connector 3, a communicating seat 4, a dial 5, a pointer 6, a spring tube 7, an air tube 8, an annular groove 9, a barrel threaded hole 10, a skirt 11, a first connecting lug 12, an inner side wall 13 of the annular groove, an outer side wall 14 of the annular groove, a second connecting lug 15, a transparent cover threaded through hole 16, a chamfered surface 17, a pressure sensor 18, a power supply 19, a data transmission device 20, a communicating seat supporting step 21, a dial connecting bolt 22 and a transparent cover connecting bolt 23.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the spring tube type pressure gauge for the fire extinguisher comprises a shell barrel 1 and a transparent cover 2 which is covered at the opening end of the shell barrel, the shell barrel is connected with a hollow screwed joint 3, and the shell barrel and the transparent cover enclose a shell. The watch case is internally provided with a communicating base 4, a dial 5, a pointer 6 for indicating the scale of the dial and a spring tube 7 for driving the pointer, and the communicating base and the dial are fixed together. The communicating base is communicated with the screwed joint through an air pipe 8 which is a hose. The communicating base is connected with the spring tube so that the gas supplied from the connecting tube drives the spring tube. The watch case barrel is provided with a ring groove 9 extending along the circumferential direction of the watch case barrel on the end face of the transparent cover end, the watch case barrel is provided with a plurality of barrel threaded holes 10 extending along the circumferential direction of the watch case barrel on the end face of the transparent cover end, the threaded holes are located on the periphery of the ring groove, the transparent cover is provided with a skirt 11 and a plurality of first connecting lugs 12 located outside the transparent cover, the first connecting lugs are provided with bolt through holes, the skirt is arranged in the ring groove in a penetrating manner, a transparent cover connecting bolt 23 penetrates through the connecting through holes in the first connecting lugs and then is connected with the transparent cover and the watch case barrel in a threaded hole in a threaded manner, and the height of the inner side wall 13 of the ring groove is larger than the height of the outer side wall 14 of the ring groove. The outer diameter of the skirt edge is larger than or equal to the inner diameter of the outer side wall of the annular groove, a plurality of second connecting lugs 15 distributed along the circumferential direction of the transparent cover are arranged outside the transparent cover, the second connecting lugs are provided with transparent cover part threaded through holes 16, and the transparent cover part threaded through holes are aligned with the end face, located at the transparent cover end, of the watchcase barrel. A chamfer surface 17 is arranged between the end surface of the skirt edge and the peripheral surface of the skirt edge, and the outer diameter of the end surface of the skirt edge is smaller than the inner diameter of the outer side wall of the annular groove. The pressure sensor 18, the power supply 19 and the data transmission device 20 are arranged in the watch case. The pressure sensor is used for checking the pressure of gas in the threaded joint, the data transmission device is used for transmitting pressure data detected by the pressure sensor, and the power supply is used for supplying power to the pressure sensor and the data transmission device. The pressure sensor, the power supply and the data transmission device are positioned between the dial plate and the shell barrel. The pressure sensor, power supply and data transmission device are shielded by the dial. One end of the screw joint is positioned in the watch case, and the air pipe is connected to the part of the screw joint positioned in the watch case. The communicating base is provided with a communicating seat supporting step 21, and the dial plate is sleeved on the communicating base and supported on the supporting step. The through seat is connected with the dial in a tight fit manner, and the through seat is disconnected with the shell barrel. The dial is connected with the transparent cover through a dial connecting bolt 22.

Finally, it should be noted that: the above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and although the technical solutions described in the embodiments of the present invention have been modified or partially replaced with equivalents, the present invention is not limited to the above-described embodiments. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A spring tube type pressure gauge for a fire extinguisher comprises a shell barrel and a transparent cover which is sealed at the opening end of the shell barrel, wherein the shell barrel is connected with a hollow threaded joint, the shell barrel and the transparent cover enclose a shell, a communicating seat, a dial plate, a pointer for indicating the scale of the dial plate and a spring tube for driving the pointer are arranged in the shell, the communicating seat is fixedly connected with the shell, the communicating seat is communicated with the threaded joint through an air tube, the communicating seat is connected with the spring tube so that the spring tube is driven by gas input from a connecting tube, and the spring tube type pressure gauge is characterized in that an annular groove which extends along the circumferential direction of the shell barrel is arranged on the end surface of the shell barrel at the end of the transparent cover, a plurality of barrel threaded holes which extend along the circumferential direction of the shell barrel are arranged on the end surface of the shell barrel at the end of the transparent cover, and the threaded holes are arranged at the periphery of the annular groove, the transparent cover is provided with a skirt edge and a plurality of first connecting lugs located outside the transparent cover, the first connecting lugs are provided with bolt through holes, the skirt edge penetrates through the annular groove, the transparent cover connecting bolts penetrate through the connecting through holes in the first connecting lugs and then are in threaded connection in the threaded holes to connect the transparent cover and the watchcase barrel together, and the height of the inner side wall of the annular groove is larger than that of the outer side wall of the annular groove.

2. The spring tube pressure gauge for fire extinguishers according to claim 1, wherein the skirt has an outer diameter greater than or equal to an inner diameter of an outer side wall of the annular groove, the transparent cover is provided at an outer portion thereof with a plurality of second lugs circumferentially distributed along the transparent cover, the second lugs are provided with transparent cover threaded through holes aligned with end faces of the case barrel at the end of the transparent cover.

3. The spring tube pressure gauge for a fire extinguisher according to claim 2, wherein a chamfered surface is provided between an end surface of the skirt and an outer circumferential surface of the skirt, and an outer diameter of the end surface of the skirt is smaller than an inner diameter of an outer sidewall of the annular groove.

4. A spring tube pressure gauge for fire extinguisher according to claim 1 or 2 or 3, characterized in that a pressure sensor for checking the pressure of the gas in the threaded joint, a power supply and a data transmission means for transmitting the pressure data detected by the pressure sensor are provided in the case, and the power supply is used for supplying power to the pressure sensor and the data transmission means.

5. The spring tube pressure gauge for fire extinguishers of claim 4, wherein the pressure sensor, power supply and data transmission means are located between the dial and the barrel of the case.

6. The spring tube pressure gauge for fire extinguishers of claim 5, wherein the pressure sensor, power source and data transmission means are shielded by the dial.

7. The spring tube pressure gauge for fire extinguishers according to claim 4, wherein one end of the screw joint is located inside the case, and the gas tube is connected to a portion of the screw joint located inside the case.

8. The spring tube pressure gauge for fire extinguishers according to claim 4, wherein the air tube is a hose.

9. The spring tube type pressure gauge for the fire extinguisher according to claim 1, 2 or 3, wherein the communicating seat is provided with a supporting step of the communicating seat portion, and the dial plate is sleeved on the communicating seat and supported on the supporting step.

10. The tube pressure gauge for fire extinguisher according to claim 9, wherein said dial is connected to the transparent cover by a dial connection bolt, said communicating seat is connected to said dial with tight fit, and said communicating seat is disconnected from the barrel of the case.