CN219367081U - Gas pipe joint with good tightness - Google Patents

Abstract

The utility model discloses a gas pipe joint with good tightness, which comprises a device body and a corrugated pipe, wherein an inner joint is arranged in the device body, a conical head is arranged on the inner side of the inner joint, the inner joint is sleeved at one end of the corrugated pipe, a first thread is arranged on the outer side of the corrugated pipe, an outer joint is arranged at the front end of the inner joint, a second thread is arranged on the outer joint and is in threaded connection with the first thread, a plurality of elastic sheets are arranged on the inner side of the outer joint, a limiting head is arranged on the inner side of the elastic sheets, the elastic sheets are positioned on the inner side of the conical head, a pressure sensor is arranged at the upper end of the inner joint, and a buzzer alarm is arranged on one side of the pressure sensor.

Description

Gas pipe joint with good tightness

Technical Field

The utility model relates to a gas pipe joint, in particular to a gas pipe joint with good tightness, and belongs to the technical field of pipeline joints.

Background

With the popularization of gas such as natural gas, the gas cooker is increasingly applied, a gas pipe joint is mostly needed to connect and seal between a connecting hose of gas inlet and a gas inlet or a valve of the gas cooker, and with the improvement of the safety requirement of the gas, the existing gas pipe is generally changed from PVC material to metal material explosion-proof gas pipe, and the gas pipe joint is also changed along with the improvement of the safety requirement of the gas;

the prior art has the following publication numbers: the gas pipe joint provided by the utility model patent of CN 208503729U is made of stainless steel, so that the corrosion phenomenon of the gas pipe joint is avoided, and the practical service life of the gas pipe joint is ensured; meanwhile, the joint pipe is in a truncated cone shape and is easy to connect with the gas pipe; the design of seal assembly can enough guarantee that gas can not reveal, can guarantee again that the gas pipe can not drop, guarantee safe in utilization, but its bellows and connector body part are fixed knot structure, can't separate the dismouting to it, can't change bellows or connector pipe fitting alone, and is inconvenient when whole replacement cost is high and the installation, influences the construction, and it does not possess detection and suggestion ability to gas leakage simultaneously, when gas leakage problem appears in gas pipe joint department, the workman can't know in time, and too much or the lasting leakage of gas leakage will appear dangerous, consequently, we need to upgrade and reform transform on prior art's basis.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a gas pipe joint with good tightness, which can realize quick disassembly and assembly of an inner joint, an outer joint and a corrugated pipe, has good tightness, avoids the problem that the corrugated pipe and the connector cannot be disassembled or are poor in sealing, can realize detection and alarm prompt when gas leaks, and avoids the problem that workers cannot find and solve when gas leaks in time.

In order to solve the problems, the following technical scheme is provided:

the utility model provides a gas pipe joint that seal is good, includes device body and bellows, this internal nipple and nipple inboard that is equipped with of device is provided with the conical head, the nipple cover is established in bellows one end and the outside has seted up first screw thread, the nipple front end is provided with the outer joint, second screw thread and first screw thread spiro union have been seted up on the outer joint, the outer joint inboard is provided with a plurality of elastic pieces and elastic piece inboard is provided with the limit head, the elastic piece is located the conical head inboard, pressure sensor is installed to the nipple upper end, buzzer siren is installed to pressure sensor one side.

Further, the elastic sheet and the limiting head are sleeved on the outer ring of the corrugated pipe, and the limiting head corresponds to the outer groove of the corrugated pipe.

Further, a third thread is arranged on the outer side of the outer joint, and a male head is arranged on the outer side of the third thread in a threaded connection mode.

Further, a first hexagon is arranged on the outer side of the inner joint, and a second hexagon is arranged on the outer side of the outer joint.

Further, a rubber sealing ring is arranged in the outer joint, and the insertion end of the corrugated pipe is attached to the rubber sealing ring.

Further, a detection hole is formed in the inner connector, a connecting bolt is arranged at the lower end of the pressure sensor, and the connecting bolt is in threaded connection with the detection hole.

Furthermore, an inserting groove is formed in one side of the pressure sensor, an inserting shaft is arranged on one side of the buzzer alarm, and the inserting shaft is correspondingly connected with the inserting groove.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the inner joint, the outer joint, the conical head elastic piece and the limiting head are arranged in the device, the inner joint and the outer joint are fixedly connected in a threaded manner through two groups of threads in use, the conical head forms extrusion limit on the elastic piece in the threaded manner, so that the elastic piece is contracted inwards, the limiting head is clamped in the groove on the outer side of the corrugated pipe in the contracted manner, the inner joint, the outer joint and the corrugated pipe can be quickly disassembled and assembled, the sealing performance is good, the problem that the corrugated pipe and the connector cannot be disassembled is avoided, and the cost for independently replacing the corrugated pipe or the connector is saved.

2. According to the utility model, the detection hole, the pressure sensor, the buzzer alarm and the connecting bolt are arranged in the device, when the device is used, the pressure sensor is arranged at the detection hole through the connecting bolt, and the buzzer alarm is fixed at one side of the pressure sensor through the plug shaft and the plug groove, so that the detection and alarm prompt for gas leakage can be realized, the problem that a worker cannot find and solve in time when the gas leakage occurs is avoided, and the use safety of the connector is increased.

Specific embodiments of the utility model are disclosed in detail below with reference to the following description and drawings, indicating the manner in which the principles of the utility model may be employed. It should be understood that the embodiments of the utility model are not limited in scope thereby. The embodiments of the utility model include many variations, modifications and equivalents within the spirit and scope of the appended claims.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic view of the overall structure of a gas pipe joint with good tightness according to the present utility model;

FIG. 2 is an exploded view of the overall structure of a well-sealed gas fitting according to the present utility model;

FIG. 3 is a cross-sectional view of an inner joint structure of a gas pipe joint with good tightness according to the present utility model;

fig. 4 is a schematic partial structure of a gas pipe joint with good sealing property according to the present utility model.

In the figure: 1. a device body; 2. a bellows; 3. an inner joint; 4. a conical head; 5. a first thread; 6. a detection hole; 7. a first hexagon; 8. an outer joint; 9. a second thread; 10. a third thread; 11. a second hexagon; 12. an elastic sheet; 13. a positioning head; 14. a male; 15. a pressure sensor; 16. a connecting bolt; 17. a buzzer alarm; 18. a plug-in shaft; 19. and a plug-in groove.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-4, the gas pipe joint with good tightness is designed, and comprises a device body 1 and a corrugated pipe 2, wherein an inner joint 3 is arranged in the device body 1, a conical head 4 is arranged on the inner side of the inner joint 3, a first thread 5 is arranged on the outer side of the inner joint 3 and sleeved at one end of the corrugated pipe 2, an outer joint 8 is arranged at the front end of the inner joint 3, a second thread 9 is arranged on the outer joint 8 and is in threaded connection with the first thread 5, a plurality of elastic pieces 12 are arranged on the inner side of the outer joint 8, a limit head 13 is arranged on the inner side of the elastic pieces 12, the elastic pieces 12 are positioned on the inner side of the conical head 4, a pressure sensor 15 is arranged at the upper end of the inner joint 3, and a buzzer alarm 17 is arranged on one side of the pressure sensor 15.

Preferably, the elastic piece 12 and the limiting head 13 are both sleeved on the outer ring of the corrugated pipe 2, and the limiting head 13 corresponds to an external groove of the corrugated pipe 2, so that the outer joint 8 and the corrugated pipe 2 are conveniently limited and fixed, and the inner joint 3 can be stabilized outside the corrugated pipe 2.

Preferably, the outer side of the outer joint 8 is provided with a third thread 10, and the outer side of the third thread 10 is in threaded connection with a male head 14, so that the male head 14 is convenient to install.

Preferably, the outer side of the inner joint 3 is provided with a first hexagonal 7, and the outer side of the outer joint 8 is provided with a second hexagonal 11, so that the outer joint is convenient to install and fix by means of external force or a spanner.

Preferably, a rubber sealing ring is arranged in the outer joint 8, and the insertion end of the corrugated pipe 2 is attached to the rubber sealing ring, so that the plugging position of the corrugated pipe 2 is conveniently sealed.

Preferably, the inner joint 3 is provided with a detection hole 6, the lower end of the pressure sensor 15 is provided with a connecting bolt 16, and the connecting bolt 16 is in threaded connection with the detection hole 6, so that the pressure sensor 15 is convenient to install and fix, and is communicated with the inner joint 3.

Preferably, a plugging groove 19 is formed in one side of the pressure sensor 15, a plugging shaft 18 is arranged on one side of the buzzer alarm 17, and the plugging shaft 18 is correspondingly connected with the plugging groove 19, so that the buzzer alarm 17 is conveniently installed and connected with the pressure sensor 15.

The application principle and the application flow of the utility model are as follows: when the gas leakage alarm device is used, the inner joint 3 is sleeved at one end of the corrugated pipe 2, the outer joint 8 is sleeved on the corrugated pipe 2 and connected with the inner joint 3, the first thread 5 and the second thread 9 are in threaded connection, the elastic piece 12 continuously moves to one side of the conical head 4 in the threaded connection process, the elastic piece 12 and the limiting head 13 move to the corrugated pipe 2 under the extrusion of the conical head 4 until the limiting head 13 is completely clamped in a groove on the outer side of the corrugated pipe 2, the male head 14 is installed on the outer side at the moment, then the pressure sensor 15 is installed at the upper end of the inner joint 3 through the connecting bolt 16 and communicated with the inner side of the inner joint 3, the buzzer alarm 17 is installed on one side of the pressure sensor 15 through the inserting shaft 18 and the inserting groove 19, when the gas leakage occurs, the pressure sensor 15 detects the gas pressure change and gives an alarm through the buzzer alarm 17, and prompts workers.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to specific circumstances.

Claims (7)

1. The utility model provides a gas coupling that seal is good, its characterized in that, including device body (1) and bellows (2), be equipped with nipple (3) and nipple (3) inboard is provided with conical head (4) in device body (1), nipple (3) cover are established in bellows (2) one end and outside has seted up first screw thread (5), nipple (3) front end is provided with outer joint (8), second screw thread (9) and first screw thread (5) spiro union have been seted up on outer joint (8), outer joint (8) inboard is provided with a plurality of elastic pieces (12) and elastic piece (12) inboard is provided with limit head (13), elastic piece (12) are located conical head (4) inboard, pressure sensor (15) are installed to nipple (3) upper end, buzzer siren (17) are installed to pressure sensor (15) one side.

2. The gas pipe joint with good tightness according to claim 1, wherein the elastic piece (12) and the limiting head (13) are sleeved on the outer ring of the corrugated pipe (2) and the limiting head (13) corresponds to an external groove of the corrugated pipe (2).

3. The gas pipe joint with good tightness according to claim 1, wherein a third thread (10) is arranged on the outer side of the outer joint (8), and a male head (14) is arranged on the outer side of the third thread (10) in a screwed connection mode.

4. The gas pipe joint with good tightness according to claim 1, characterized in that the outer side of the inner joint (3) is provided with a first hexagon (7) and the outer side of the outer joint (8) is provided with a second hexagon (11).

5. The gas pipe joint with good tightness according to claim 1, wherein a rubber sealing ring is arranged in the outer joint (8), and the insertion end of the corrugated pipe (2) is attached to the rubber sealing ring.

6. The gas pipe joint with good tightness according to claim 1, wherein the inner joint (3) is provided with a detection hole (6), the lower end of the pressure sensor (15) is provided with a connecting bolt (16), and the connecting bolt (16) is in threaded connection with the detection hole (6).

7. The gas pipe joint with good tightness according to claim 1, wherein a plugging groove (19) is formed on one side of the pressure sensor (15), a plugging shaft (18) is arranged on one side of the buzzer alarm (17), and the plugging shaft (18) is correspondingly connected with the plugging groove (19).