CN215341340U

CN215341340U - Explosion-proof audible and visual alarm is revealed to gas

Info

Publication number: CN215341340U
Application number: CN202121958561.4U
Authority: CN
Inventors: 张锦; 牟邦俊; 邹海均
Original assignee: Sichuan Jingyu Technology Co ltd
Current assignee: Sichuan Jingyu Technology Co ltd
Priority date: 2021-08-19
Filing date: 2021-08-19
Publication date: 2021-12-28
Anticipated expiration: 2031-08-19

Abstract

The utility model discloses an explosion-proof audible and visual alarm for gas leakage, which comprises an alarm lamp, a lampshade and a pressure access pipe, wherein the upper end of the alarm lamp is provided with a limiting groove, and the end part of the lampshade is arranged in the limiting groove; a protective net is arranged outside the lampshade, a support ring is welded at the end part of the protective net, a thread groove is formed in the upper end of the alarm lamp, and the support ring is screwed in the thread groove; the inner wall of one side of the thread groove is provided with internal threads, the inner wall of the other side of the thread groove is provided with a movable groove, a movable sleeve is arranged inside the movable groove, a limiting inserted rod is arranged inside the movable sleeve, a compression spring is sleeved outside the limiting inserted rod, and two ends of the compression spring are respectively connected with the movable sleeve and the movable groove; the end part of the lampshade is provided with a limiting jack, and a limiting inserted rod is inserted into the limiting jack; one end of the shifting sleeve abuts against the surface of the support ring. The support ring is assembled and disassembled to assemble and disassemble the lampshade, and the lampshade is disassembled after the support ring is disassembled, so that the lampshade is convenient to maintain and protect.

Description

Explosion-proof audible and visual alarm is revealed to gas

Technical Field

The utility model belongs to the technical field of alarms, and particularly relates to an explosion-proof audible and visual alarm for gas leakage.

Background

The audible and visual alarm is called as audible and visual alarm number and is set for meeting the special requirements of customers on the alarm loudness and the installation position. Simultaneously, two alarm signals of sound and light are sent out. The special field is as follows: industries such as ferrous metallurgy, telecommunication towers, hoisting machinery, engineering machinery, ports and docks, transportation, wind power generation, ocean vessels and the like; is an accessory product in an industrial alarm system. And is also commonly used to alert of gas leaks. When the traditional audible and visual alarm is used, the lampshade is not convenient to disassemble and assemble, and meanwhile, the problem that the protective performance of the lampshade is not enough is solved.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides an explosion-proof audible and visual alarm for gas leakage, which has the characteristics that a lampshade is convenient to disassemble and assemble, and the protective performance of the lampshade is high.

In order to achieve the purpose, the utility model adopts the following technical scheme:

an explosion-proof audible and visual alarm for gas leakage comprises an alarm lamp, a lampshade and a pressure access pipe fixed on the side surface of the alarm lamp, wherein the upper end of the alarm lamp is provided with a limit groove, and the end part of the lampshade is arranged in the limit groove; a protective net is arranged outside the lampshade, a support ring is welded at the end part of the protective net, a thread groove is formed in the upper end of the alarm lamp, and the support ring is screwed in the thread groove; the inner wall of one side of the thread groove is provided with an internal thread for threaded connection with the support ring, the inner wall of the other side of the thread groove is provided with a movable groove, a movable sleeve is arranged in the movable groove, a limiting inserted rod is arranged in the movable sleeve, a compression spring is sleeved outside the limiting inserted rod, and two ends of the compression spring are respectively connected with the inner surface of the movable sleeve and the surface of the movable groove; the end part of the lampshade is provided with a limiting insertion hole, and the end part of the limiting insertion rod penetrates through the movable groove and is inserted into the limiting insertion hole; one end of the movable sleeve close to the support ring is abutted to the surface of the support ring.

As the preferable technical scheme of the gas leakage explosion-proof audible and visual alarm, the end part and the middle part of the pressure access pipe are respectively provided with a sealing component.

According to the preferred technical scheme of the gas leakage explosion-proof audible and visual alarm, the sealing assembly comprises a first sealing rubber ring, a positioning convex ring and a positioning ring groove formed in the end part of the pressure access pipe, the first sealing rubber ring is arranged at the end part of the pressure access pipe, the positioning convex ring and the first sealing rubber ring are integrally formed, and the positioning convex ring is arranged inside the positioning ring groove.

According to the preferred technical scheme of the gas leakage explosion-proof audible and visual alarm, the sealing assembly comprises a second sealing rubber ring and a limiting ring groove formed in the outer surface of the middle of the pressure access pipe, and the second sealing rubber ring is arranged inside the limiting ring groove.

According to the preferred technical scheme of the gas leakage explosion-proof audible and visual alarm, the elastic silica gel ring is arranged inside the second sealing rubber ring, the elastic rib is arranged inside the elastic silica gel ring, and the section of the elastic rib is of a structure shaped like a Chinese character 'wang'.

As a preferred technical scheme of the gas leakage explosion-proof audible and visual alarm, one end, close to the support ring, of the movable sleeve is an inclined surface, the included angle between the inclined surface and the horizontal plane is 60 degrees, and the surface, abutted against the movable sleeve, of the support ring is an inclined surface structure matched with the inclined surface.

Has the advantages that: 1. through installing the lamp shade at the spacing inslot that the alarm lamp tip was seted up, the tip of spacing inserted bar inserts in the spacing jack that the lamp shade surface was seted up simultaneously, the other end of spacing inserted bar is fixed in the inside of moving sleeve, and moving sleeve and spacing inserted bar pass through compression spring movable mounting in the inside of activity groove, the internal surface contact of moving sleeve's tip and support ring, the support ring closes at the thread groove that the alarm lamp tip was seted up soon, it extrudees moving sleeve's tip to be convenient for the support ring when the thread groove is internal to revolve, thereby be convenient for spacing inserted bar inserts in the spacing jack, fix the lamp shade when being convenient for the support ring is fixed, dismantle the lamp shade after being convenient for the support ring dismantlement, thereby be convenient for maintain the alarm lamp, and be convenient for the protection network protects the lamp shade.

2. Through the airtight subassembly that pressure inserts the tip and the middle part setting, and airtight subassembly includes first sealed glue ring, and the protruding ring of location of first sealed glue ring integrated into one piece installs in the positioning ring inslot that pressure inserts the tip and sets up, install the second sealed glue ring in the spacing annular that pressure inserts the pipe middle part and sets up simultaneously, it is airtight through the cooperation of first sealed glue ring and second sealed glue ring when being connected with outside equipment to be convenient for pressure inserts the pipe, thereby the seal that alarm and external equipment are connected has been increased, and the inside of second sealed glue ring is provided with the elasticity silica gel ring, the inside of elasticity silica gel ring is provided with the elasticity muscle simultaneously, the elasticity muscle of being convenient for supports the elasticity silica gel ring, the elasticity silica gel ring supports the second sealed glue ring, thereby the stability of the sealed glue ring structure of second has been increased.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

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

FIG. 2 is a schematic view of a connection structure of a warning lamp, a lampshade, a protective net and a support ring in the utility model;

fig. 3 is a schematic front view of the protective net and the support ring according to the present invention;

FIG. 4 is a schematic cross-sectional view of a pressure access tube according to the present invention;

in the figure: 1. an alarm lamp; 2. a lamp shade; 3. a pressure access pipe; 4. a limiting groove; 5. a protective net; 6. a support ring; 7. a thread groove; 8. a movable groove; 9. moving the sleeve; 10. a limiting inserted rod; 11. compressing the compression spring; 12. limiting the jacks; 13. a first sealant ring; 14. positioning the convex ring; 15. a positioning ring groove; 16. a limiting ring groove; 17. a second sealing rubber ring; 18. an elastic silica gel ring; 19. and (4) elastic ribs.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b):

as shown in fig. 1 to 4, the embodiment provides an explosion-proof audible and visual alarm for gas leakage, which includes an alarm lamp 1, a lampshade 2, and a pressure access pipe 3 fixed on a side surface of the alarm lamp 1, wherein a limit groove 4 is formed at an upper end of the alarm lamp 1, and an end of the lampshade 2 is installed inside the limit groove 4; a protective net 5 is arranged outside the lampshade 2, a support ring 6 is welded at the end part of the protective net 5, a thread groove 7 is formed in the upper end of the alarm lamp 1, and the support ring 6 is screwed in the thread groove 7; an internal thread for threaded connection with the support ring 6 is arranged on the inner wall of one side of the thread groove 7, a movable groove 8 is arranged on the inner wall of the other side of the thread groove, a movable sleeve 9 is arranged inside the movable groove 8, a limiting inserted rod 10 is arranged inside the movable sleeve 9, a compression spring 11 is sleeved outside the limiting inserted rod 10, and two ends of the compression spring 11 are respectively connected with the inner surface of the movable sleeve 9 and the surface of the movable groove 8; the end part of the lampshade 2 is provided with a limit jack 12, and the end part of the limit inserted rod 10 penetrates through the movable groove 8 and is inserted into the limit jack 12; one end of the moving sleeve 9 close to the support ring 6 abuts against the surface of the support ring 6.

It should be noted that, when the support ring 6 is not installed in the thread groove 7 and the compression spring 11 is in a natural state, the end of the limit insert rod 10 is not inserted into the limit insert hole 12, or only a point of the end of the limit insert rod 10 having a circular head is disposed in the limit insert hole 12, when the lampshade 2 is inserted into the limit groove 4 or withdrawn from the limit groove 4, the end of the limit insert rod 10 can be pressed, so that the end of the limit insert rod 10 is withdrawn from the limit insert hole 12, that is, when the compression spring 11 is in a natural state, the limit insert rod 10 does not affect the mounting and dismounting of the lampshade 2 in the limit groove 4.

In the embodiment, through the lampshade 2 arranged in the limit groove 4 arranged at the end part of the alarm lamp 1, meanwhile, the end part of the limit inserted bar 10 is inserted into a limit jack 12 arranged at the end part of the lampshade 2, the other end of the limit inserted bar 10 is fixed inside the movable sleeve 9, the movable sleeve 9 and the limit inserted bar 10 are movably arranged in the movable groove 8 through a compression spring 11, one end of the movable sleeve 9 is abutted with the surface of the support ring 6, and the support ring 6 is screwed in a thread groove 7 arranged at the end part of the alarm lamp 1, so that the support ring 6 can extrude one end of the movable sleeve 9 when being screwed in the thread groove 7, thereby facilitating the insertion of the limit inserted link 10 into the limit inserted hole 12, facilitating the fixation of the lampshade 2 when the support ring 6 is fixed, facilitating the disassembly of the lampshade 2 after the support ring 6 is disassembled, thereby be convenient for maintain alarm lamp 1, and be convenient for the protection network 5 to protect lamp shade 2.

As a preferred embodiment, it is further explained in this embodiment that the end and the middle of the pressure access pipe 3 are provided with a sealing assembly. It is further explained that the sealing assembly includes a first sealing rubber ring 13, a positioning convex ring 14 and a positioning ring groove 15 arranged at the end of the pressure access pipe 3, the first sealing rubber ring 13 is arranged at the end of the pressure access pipe 3, the positioning convex ring 14 and the first sealing rubber ring 13 are integrally formed, and the positioning convex ring 14 is arranged inside the positioning ring groove 15. It is further explained that the sealing component comprises a second sealing rubber ring 17 and a limiting ring groove 16 formed in the outer surface of the middle part of the pressure access pipe 3, the second sealing rubber ring 17 is installed inside the limiting ring groove 16, an elastic silica gel ring 18 is arranged inside the second sealing rubber ring 17, an elastic rib 19 is arranged inside the elastic silica gel ring 18, and the section of the elastic rib 19 is of a structure shaped like a Chinese character 'wang'.

In this embodiment, the sealing components are arranged at the end part and the middle part of the pressure access pipe 3 and comprise a first sealing rubber ring 13, and a positioning convex ring 14 which is formed by integrating a first sealing rubber ring 13 is arranged in a positioning ring groove 15 which is arranged at the end part of the pressure connecting pipe 3, meanwhile, a second sealing rubber ring 17 is arranged in a limiting ring groove 16 arranged in the middle of the pressure access pipe 3, so that the sealing is conveniently carried out through the matching of the first sealing rubber ring 13 and the second sealing rubber ring 17 when the pressure access pipe 3 is connected with external equipment, thereby increasing the tightness of the connection between the alarm and external equipment, and the elastic silica gel ring 18 is arranged inside the second sealing rubber ring 17, meanwhile, the elastic rib 19 is arranged inside the elastic silica gel ring 18, so that the elastic rib 19 can support the elastic silica gel ring 18, and the elastic silica gel ring 18 supports the second sealing rubber ring 17, thereby improving the structural stability of the second sealing rubber ring 17.

As a preferred technical scheme of the gas leakage explosion-proof audible and visual alarm, one end of the movable sleeve 9, which is close to the support ring 6, is an inclined surface, an included angle between the inclined surface and the horizontal plane is 60 degrees, and one surface, which is abutted to the movable sleeve 9, of the support ring 6 is an inclined surface structure matched with the inclined surface.

In this embodiment, be convenient for support ring 6 extrudees the tip of movable sleeve 9, and then convenient loading and unloading in thread groove 7.

The working principle and the using process of the utility model are as follows: when the alarm is used, the end part of the lampshade 2 is arranged in a limiting groove 4 arranged at the end part of the alarm lamp 1, a support ring 6 welded at the end part of the protective net 5 is screwed in a thread groove 7 arranged at the end part of the alarm lamp 1, meanwhile, the support ring 6 extrudes the end part of a movable sleeve 9 when rotating, at the moment, the movable sleeve 9 drives a limiting inserted rod 10 to move, the end part of the limiting inserted rod 10 is inserted into a limiting jack 12 arranged on the surface of the lampshade 2, meanwhile, a compression spring 11 is compressed under the action of the movable sleeve 9, so that the protective net 5 is fixed at the outer part of the lampshade 2, when the alarm is connected with external equipment, a first sealing rubber ring 13 is arranged at the end part of a pressure access pipe 3, at the moment, a positioning convex ring 14 integrally formed by the first sealing rubber ring 13 is arranged in a positioning ring groove 15 arranged at the end part of the pressure access pipe 3, and a second sealing rubber ring 17 is arranged in a limiting ring groove 16, the pressure access pipe 3 is screwed with external equipment.

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 scope of the present invention. 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. An explosion-proof audible and visual alarm for gas leakage comprises an alarm lamp (1), a lampshade (2) and a pressure access pipe (3) fixed on the side surface of the alarm lamp (1), and is characterized in that a limiting groove (4) is formed in the upper end of the alarm lamp (1), and the end part of the lampshade (2) is installed in the limiting groove (4); a protective net (5) is arranged outside the lampshade (2), a support ring (6) is welded at the end part of the protective net (5), a thread groove (7) is formed in the upper end of the alarm lamp (1), and the support ring (6) is screwed in the thread groove (7); an internal thread for threaded connection with the support ring (6) is arranged on the inner wall of one side of the thread groove (7), a movable groove (8) is arranged on the inner wall of the other side of the thread groove, a movable sleeve (9) is installed inside the movable groove (8), a limiting insertion rod (10) is installed inside the movable sleeve (9), a compression spring (11) is sleeved outside the limiting insertion rod (10), and two ends of the compression spring (11) are respectively connected with the inner surface of the movable sleeve (9) and the surface of the movable groove (8); the end part of the lampshade (2) is provided with a limiting insertion hole (12), and the end part of the limiting insertion rod (10) penetrates through the movable groove (8) and is inserted into the limiting insertion hole (12); one end of the movable sleeve (9) close to the support ring (6) is abutted against the surface of the support ring (6).

2. A gas leakage explosion-proof audible and visual alarm as claimed in claim 1, wherein the end and middle of the pressure access pipe (3) are provided with a closing assembly.

3. The gas leakage explosion-proof audible and visual alarm device according to claim 2, wherein the sealing assembly comprises a first sealing rubber ring (13), a positioning convex ring (14) and a positioning ring groove (15) arranged at the end of the pressure access pipe (3), the first sealing rubber ring (13) is arranged at the end of the pressure access pipe (3), the positioning convex ring (14) and the first sealing rubber ring (13) are integrally formed, and the positioning convex ring (14) is arranged inside the positioning ring groove (15).

4. A gas leakage explosion-proof audible and visual alarm device according to claim 2 or 3, wherein the sealing component comprises a second sealing rubber ring (17) and a limit ring groove (16) formed on the outer surface of the middle part of the pressure access pipe (3), and the second sealing rubber ring (17) is installed inside the limit ring groove (16).

5. The gas leakage explosion-proof audible and visual alarm device according to claim 4, wherein an elastic silica gel ring (18) is arranged inside the second sealing rubber ring (17), an elastic rib (19) is arranged inside the elastic silica gel ring (18), and the section of the elastic rib (19) is of a structure shaped like a Chinese character 'wang'.

6. The gas leakage explosion-proof audible and visual alarm device according to claim 1, wherein one end of the movable sleeve (9) close to the support ring (6) is an inclined surface, the included angle between the inclined surface and the horizontal plane is 60 degrees, and the surface of the support ring (6) abutting against the movable sleeve (9) is an inclined surface structure matched with the inclined surface.