CN218895091U - Bundle pipe anti-drop device for gas valve pipe joint - Google Patents
Bundle pipe anti-drop device for gas valve pipe joint Download PDFInfo
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- CN218895091U CN218895091U CN202223023419.8U CN202223023419U CN218895091U CN 218895091 U CN218895091 U CN 218895091U CN 202223023419 U CN202223023419 U CN 202223023419U CN 218895091 U CN218895091 U CN 218895091U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Abstract
The pipe bundling anti-drop device for gas valve pipe joint includes one pipe joint comprising connected rotating section, one combining section and one check clamping section, and the check clamping section has conic pipe expanding flanges connected to each other, with the large diameter end of each conic pipe expanding flange facing the combining section and being connected to the small diameter end of the other conic pipe expanding flange to form one limiting ring ditch; the gas pipe is of an elastic structure, and one end of the gas pipe is sleeved with the non-return clamping section and propped against the combining section; and the gas pipe is pressed by the binding pipe and deforms the inner wall to form an inner convex clamping part extending into the limiting ring groove, and the inner convex clamping part is clamped and propped against the large diameter end of the conical pipe expanding flange to be fixed, so that firm combination for preventing the gas pipe from being exploded is formed.
Description
Technical Field
The utility model relates to the technical field of collecting pipe equipment, in particular to a bundling pipe anti-falling device of a gas valve pipe joint.
Background
At present, in the cooking process, in order to avoid the situation of cooking interruption caused by gas exhaustion, a plurality of gas barrels are shared to be used as fuel of one or a plurality of quick stoves, namely, each gas barrel is communicated with a gas stove through a collecting pipe, and a switch valve can be arranged between each collecting pipe and the gas stove.
Therefore, even if a gas storage tank is not needed, the gas storage tank can have sufficient reserve, when the gas in one gas tank is used up, the gas in the other gas tank can be replenished immediately, so that the cooking operation can be continued.
The collecting pipe is as the utility model patent of the bulletin M552087, which uses a plurality of gas cylinders to connect the gas pipes, and the gas pipes are combined through a three-way switch to be led to a quick stove for fuel supply; the gas pipe connected with the three-way switch can be assembled with an anti-reflux device, the anti-reflux device comprises a connecting pipe section which can be screwed into the threaded pipe section of the three-way switch, and one end of the connecting pipe section is provided with a pipe joint which can be connected with the gas pipe.
The anti-backflow device can prevent the plurality of gas cylinders from being in backflow with each other when in use; however, the connection between the gas pipe and the pipe joint in the prior art is only a sleeve, and is supported only by friction force formed by the lines of the pipe joint and the inner wall of the gas pipe of the sleeve, which is not very firm, if the gas barrel connected with the gas pipe is a new barrel, the gas pressure is large because the new gas barrel is filled with gas, and when the gas barrel is opened, the gas in the barrel is easily exploded because the bonding force between the gas pipe and the pipe joint cannot bear the instant pressure released by the new gas barrel and the instant pressure is too large, so that the gas in the barrel leaks.
Disclosure of Invention
The main technical problem to be solved by the utility model is to overcome the defects in the prior art, and provide the bundling pipe anti-drop device of the gas valve pipe joint, which can effectively support the gas pipe against the internal pressure of the gas barrel to avoid explosion from the pipe joint and prevent the gas from leaking.
The technical scheme adopted for solving the technical problems is as follows:
a bundle pipe anti-drop device of a gas valve pipe joint, comprising:
the pipe joint comprises a rotating section, a combining section and a check clamping section which are connected with each other, wherein the combining section is positioned between the rotating section and the check clamping section, the check clamping section is provided with conical pipe expanding flanges which are connected with each other, and the large diameter end of each conical pipe expanding flange faces the combining section and is connected with the small diameter end of the other conical pipe expanding flange to form a limiting ring groove.
The fuel gas pipe is of an elastically deformable structure, and one end of the fuel gas pipe is sleeved with the non-return clamping section and abuts against the combining section.
And one end of the gas pipe is combined with the combination section sleeve group, the other end of the gas pipe extends to the outer peripheral side of the check clamping section and is sleeved with the gas pipe, the pipe wall thickness of the gas pipe is larger than the distance between the inner wall of the gas pipe and the outer diameter of the check clamping section, so that the pipe wall of the gas pipe is pressed by the inner wall of the gas pipe to be tightly combined with the check clamping section, the gas pipe is pressed by the gas pipe and deforms the inner wall to form an inner convex clamping part extending into the limiting ring groove, and the inner convex clamping part is clamped and propped against the large-diameter end of the conical pipe expanding flange to be fixed.
The utility model is characterized in that the inner convex clamping part extending into the limiting ring groove is formed by the inner wall of the gas pipe under the compression of the restraint pipe when the pipe wall of the gas pipe is compressed by the inner wall of the restraint pipe and tightly bound with the non-return clamping section by combining and fixing the one end of the restraint pipe with the combining section of the pipe joint and then propping the non-return clamping section of the one end of the gas pipe against the combining section of the pipe joint, and the inner convex clamping part is clamped and fixed against the large diameter end of the conical expansion pipe flange and forms firm combination of expanding the inner side and tightly-pressing the outer side, thereby effectively supporting the gas pipe against the internal pressure of the gas barrel to avoid explosion from the pipe joint and preventing gas from leaking.
Drawings
The utility model will be further described with reference to the drawings and examples.
Fig. 1 is an exploded perspective view of the present utility model.
Fig. 2 is a schematic perspective view of the present utility model.
Fig. 3 is a schematic cross-sectional view of line III-III of fig. 2.
FIG. 4 is a perspective view of the large diameter forced section of the present utility model with a force-bearing area and a force-bearing area.
FIG. 5 is a schematic cross-sectional view of the V-V line shown in FIG. 4.
Fig. 6 is a schematic cross-sectional view of the small diameter sleeve section of fig. 5 further provided with a leakage preventing glue between the small diameter sleeve section and the joint section.
Fig. 7 is an exploded perspective view of the present utility model, in which the external thread is provided at the coupling section and the internal thread is provided at the small diameter sleeve section.
FIG. 8 is a schematic cross-sectional view of the combination of the structure of FIG. 7 and the processing of the large diameter forced section with the stressed and unstressed regions.
Fig. 9 is an exploded perspective view of the large diameter forced section of the present utility model with engaged threads looped on the inner wall.
FIG. 10 is a schematic cross-sectional view of the large diameter forced section of FIG. 5 further provided with snap threads looped around the inner wall.
The reference numerals in the figures illustrate:
Joining section 12
Check block section 13
Tapered expander flange 131
Limiting ring groove 132
Inner convex clamping part 21
Small diameter sleeve section 31
Large diameter forced assembling section 32
Engaged threads 322
Tapered curved guide face 323
Leak-proof adhesive A
Detailed Description
Referring to fig. 1 to 10, the present utility model provides a pipe harness anti-drop device for a gas valve pipe joint, comprising:
the pipe joint 10 comprises a rotary section 11, a combining section 12 and a check joint section 13 which are connected with each other, wherein the combining section 12 is positioned between the rotary section 11 and the check joint section 13, the check joint section 13 is provided with conical pipe expanding flanges 131 which are connected with each other, and the large diameter end of each conical pipe expanding flange 131 faces the combining section 12 and is connected with the small diameter end of the other conical pipe expanding flange 131 to form a limiting ring groove 132.
The gas pipe 20 is made of elastic deformation material, and one end thereof is sleeved with the non-return clamping section 13 and abuts against the combining section 12.
And a tube bundle 30, one end of which is assembled with the assembly section 12 and the other end of which extends to the outer peripheral side of the check fastening section 13 and is assembled with the gas tube 20, wherein the wall thickness of the gas tube 20 is larger than the distance between the inner wall of the tube bundle 30 and the outer diameter of the check fastening section 13, so that the wall of the gas tube 20 is pressed by the inner wall of the tube bundle 30 to be tightly combined with the check fastening section 13, the gas tube 20 is pressed by the tube bundle 30 and deforms the inner wall to form an inner convex fastening part 21 extending into the limiting ring groove 132, and the inner convex fastening part 21 is fastened against the large diameter end of the conical expanding tube flange 131 to be fixed.
Continuing the above description to further detail the embodiments, practical use cases and effects of the present utility model, as shown in fig. 1 to 3, the combination of the present utility model fixes one end of the bundle pipe 30 to the connecting section 12 of the pipe joint 10, so that the other end extends to the outer periphery of the non-return fastening section 13, and one end of the gas pipe 20 is sleeved with the non-return fastening section 13 and abuts against the connecting section 12, so as to form the structure shown in fig. 2; then, as shown in fig. 3, the wall thickness of the gas pipe 20 is larger than the distance between the inner wall of the tube bundle 30 and the outer diameter of the non-return clamping section 13, so that the wall of the gas pipe 20 is pressed by the inner wall of the tube bundle 30 to be tightly combined with the non-return clamping section 13, the inner wall of the gas pipe 20 is pressed by the tube bundle 30 to form an inner convex clamping part 21 extending into the limiting ring groove 132, and the inner convex clamping part 21 is clamped and fixed against the large diameter end of the conical expanding flange 131.
Therefore, compared with the prior art, the connection between the gas pipe and the pipe joint is only a simple sleeve, and the danger of gas leakage caused by explosion of the excessive instant pressure released in the barrel cannot be sustained; the utility model combines and fixes one end of the tube bundle 30 with the combining section 12 of the tube joint 10, then combines one end of the gas tube 20 with the non-return clamping section 13 and pushes against the combining section 12, so that the tube wall of the gas tube 20 is pressed by the inner wall of the tube bundle 30 to be tightly combined with the non-return clamping section 13, the inner wall of the gas tube 20 is pressed by the tube bundle 30 to form the inward convex clamping part 21 extending into the limiting ring groove 132, the inward convex clamping part 21 is blocked against the large diameter end of the conical tube expansion flange 131, and forms firm combination with inner expansion and outer compression, thereby effectively supporting the gas tube 20 to resist the internal pressure of the gas barrel to avoid explosion from the tube joint 10, and having better airtight safety effect of preventing gas leakage.
As shown in fig. 3 to 5, the bundle tube 30 comprises a small diameter sleeve segment 31 and a large diameter forcing segment 32 which are connected with each other, the small diameter sleeve segment 31 is combined with the combining segment 12 in a sleeved mode, the large diameter forcing segment 32 is sleeved on the gas tube 20, the large diameter forcing segment 32 comprises a stress area 321 and a non-stress area 325, the non-stress area 325 keeps the original tube shape, the stress area 321 is stressed and is compressed and deformed inwards (the structure of fig. 5 is contracted inwards from fig. 3), the stress area 321 presses the gas tube 20 inwards, and the stress area 321 forces the inward convex clamping part 21 to penetrate into the limiting ring groove 132 to form clamping and fixing with more contact area; therefore, the pipe wall of the gas pipe 20 is compressed and deformed inwards by the force of the force-bearing area 321, so that the inward convex clamping part 21 of the gas pipe 20 is penetrated into the limiting ring groove 132 to form clamping with more contact area and firmly combined with the pipe joint 10, and the gas pipe 20 is effectively prevented from being exploded from the pipe joint 10.
In this embodiment, the small-diameter sleeve section 31 and the combination section 12 are combined into a close-fit combination and fixation; therefore, the small-diameter sleeve section 31 can be forced to be stretched by the connecting section 12 through tight fit connection to form better firm connection, and better airtight safety effect of preventing gas leakage is achieved.
As shown in fig. 6, the leakage preventing glue a is further matched between the small diameter sleeve section 31 and the combining section 12; therefore, the combination of the small-diameter sleeve section 31 and the combination section 12 sleeve group further achieves the better air tightness safety effect of preventing the leakage of the fuel gas through the leakage-proof glue A.
As shown in fig. 7 and 8, the coupling section 12 has an external thread 121, the small diameter sleeve section 31 has an internal thread 311, and the internal thread 311 provides the small diameter sleeve section 31 of the bundle of tubes 30 to be coupled with the external thread 121 of the coupling section 12; therefore, the combination of the tube bundle 30 and the tube joint 10 is meshed with the external screw 121 by the internal screw 311 to further improve the combination firmness and fix the gas tube 20 firmness, thereby effectively preventing the gas tube 20 from falling off and bursting open and ensuring better air tightness and safety in use.
As shown in fig. 9 and 10, the large diameter forced set section 32 further has engaging threads 322 disposed around the inner wall, and the engaging threads 322 provide an engaging fixation with respect to the outer tube wall of the gas tube 20; therefore, the engaging threads 322 engage the outer tube wall of the gas tube 20 to further improve the firmness of the combined gas tube 20, thereby effectively preventing the gas tube 20 from falling off and bursting open and effectively achieving a better airtight safety effect of gas leakage.
As shown in fig. 1 and 5, the diameter of the non-return fastening section 13 is smaller than that of the coupling section 12, the coupling section 12 has a ring joint surface 122 for connecting the non-return fastening section 13, the ring joint surface 122 provides a bearing and fixing for the end of the gas pipe 20 sleeved on the non-return fastening section 13, the large-diameter forced-assembling section 32 has a tapered arc guide surface 323, and the tapered arc guide surface 323 is close to the small-diameter sleeved-assembling section 31; therefore, the tapered arc guide surface 323 is connected to the small diameter sleeve segment 31, so that the tapered arc inner surface provides the assembling guide for the gas pipe 20 to sleeve the check fastening segment 13, and the assembling of the gas pipe 20 can be easily sleeved to the firm combination of the annular joint surface 122.
As shown in fig. 5, the large diameter forced set section 32 further has a window aperture 324 proximate the ring interface 122; thus, by providing visual inspection of the gas pipe 20 relative to the window aperture 324 of the annular interface 122, it is confirmed that the combination of the gas pipe 20 has passed the check fastening section 13 and that the gas pipe 20 has been securely assembled with the check fastening section 13, thereby ensuring the bonding firmness of the gas pipe 20.
As shown in fig. 5, the diameter of the rotating section 11 is larger than that of the combining section 12, and the rotating section 11 provides the abutting positioning of the small diameter sleeve section 31 sleeve-combined with the combining section 12; therefore, by providing the small-diameter sleeve segment 31 to be abutted against the large-diameter structure of the rotating segment 11 with the diameter larger than that of the combining segment 12, the correct position of the small-diameter sleeve segment 31 for sleeving the combining segment 12 can be confirmed to achieve the operation of accelerating assembly.
The above description is only of the preferred embodiments of the present utility model, and is not intended to limit the present utility model in any way, and any simple modification, equivalent variation and modification made to the above embodiments according to the technical principles of the present utility model still fall within the scope of the technical solutions of the present utility model.
Claims (9)
1. The utility model provides a restraint pipe anticreep device of gas valve coupling which characterized in that includes:
the pipe joint comprises a rotating section, a combining section and a check clamping section which are connected with each other, wherein the combining section is positioned between the rotating section and the check clamping section, the check clamping section is provided with conical pipe expanding flanges which are connected with each other, and the large diameter end of each conical pipe expanding flange faces the combining section and is connected with the small diameter end of the other conical pipe expanding flange to form a limiting ring groove;
the fuel gas pipe is of an elastically deformed structure, and one end of the fuel gas pipe is sleeved with the non-return clamping section and props against the combining section;
and one end of the gas pipe is combined with the combination section sleeve group, the other end of the gas pipe extends to the outer peripheral side of the check clamping section and is sleeved with the gas pipe, the pipe wall thickness of the gas pipe is larger than the distance between the inner wall of the gas pipe and the outer diameter of the check clamping section, so that the pipe wall of the gas pipe is pressed by the inner wall of the gas pipe to be tightly combined with the check clamping section, the gas pipe is pressed by the gas pipe and deforms the inner wall to form an inner convex clamping part extending into the limiting ring groove, and the inner convex clamping part is clamped and supported on the large-diameter end of the conical pipe expanding flange to be fixed.
2. The device for preventing the tube from being separated as claimed in claim 1, wherein the tube comprises a small-diameter sleeve section and a large-diameter sleeve section which are connected with each other, the small-diameter sleeve section is combined with the combination section sleeve section to enable the large-diameter sleeve section to sleeve the gas tube, the large-diameter sleeve section comprises a stress area and an unstressed area, the unstressed area keeps original tube shape and is stressed to be compressed and deformed inwards, the stressed area presses the gas tube inwards, and the stressed area forces the inner convex clamping part to penetrate into the limiting annular groove to form clamping and fixing with more contact areas.
3. The bundle pipe anti-drop device for the gas valve pipe joint according to claim 2, wherein the small diameter sleeve section and the combination section sleeve group are combined into tight fit combination and fixed.
4. The bundle pipe anti-drop device for gas valve pipe joint according to claim 2, further cooperating with anti-leakage glue between the small diameter sleeve section and the combining section.
5. The bundle pipe anti-drop device for a gas valve pipe joint according to claim 2, wherein the coupling section has an external thread, the small diameter sleeve section has an internal thread, and the internal thread provides the small diameter sleeve section of the bundle pipe to be coupled with the external thread screw group of the coupling section.
6. The bundle pipe anti-drop device for the gas valve pipe joint according to claim 2, wherein the large diameter forced group section is further provided with a snap thread which is annularly arranged on the inner wall, and the snap thread forms a fixing function relative to the outer pipe wall of the gas pipe.
7. The device for preventing a tube from coming off of a gas valve tube joint according to claim 2, wherein the diameter of the non-return clamping section is smaller than that of the connecting section, the connecting section is provided with a ring joint surface for connecting the non-return clamping section, the ring joint surface provides a propping and fixing of the end part of the gas tube sleeved with the non-return clamping section, the large-diameter forced-assembly section is provided with a tapered arc guide surface, and the tapered arc guide surface is close to the small-diameter sleeved section.
8. The bundle pipe anti-drop device for a gas valve tube fitting according to claim 7, wherein the large diameter forced set section further has a window aperture proximate the annular interface.
9. The bundle pipe anti-drop device for a gas valve pipe joint according to claim 2, wherein the diameter of the rotating section is larger than that of the combining section, and the rotating section provides the abutting and positioning of the small diameter sleeve and the combining section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223023419.8U CN218895091U (en) | 2022-11-14 | 2022-11-14 | Bundle pipe anti-drop device for gas valve pipe joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223023419.8U CN218895091U (en) | 2022-11-14 | 2022-11-14 | Bundle pipe anti-drop device for gas valve pipe joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218895091U true CN218895091U (en) | 2023-04-21 |
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ID=86003916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223023419.8U Active CN218895091U (en) | 2022-11-14 | 2022-11-14 | Bundle pipe anti-drop device for gas valve pipe joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218895091U (en) |
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2022
- 2022-11-14 CN CN202223023419.8U patent/CN218895091U/en active Active
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