CN211289129U - Quick plug-in metal pipeline connecting device that can seal in advance - Google Patents

Quick plug-in metal pipeline connecting device that can seal in advance Download PDF

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Publication number
CN211289129U
CN211289129U CN201922339729.2U CN201922339729U CN211289129U CN 211289129 U CN211289129 U CN 211289129U CN 201922339729 U CN201922339729 U CN 201922339729U CN 211289129 U CN211289129 U CN 211289129U
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China
Prior art keywords
pipe
spring
pipeline
metal
tight spring
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Application number
CN201922339729.2U
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Chinese (zh)
Inventor
吴利德
王跃强
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Sichuan Minhe Pipeline Construction Engineering Co ltd
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Sichuan Minhe Pipeline Construction Engineering Co ltd
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Priority to CN201922339729.2U priority Critical patent/CN211289129U/en
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Abstract

The utility model provides a can be sealed bayonet metal pipeline connecting device fast in advance, includes the connecting pipe, and connecting pipe and tubular metal resonator cooperation, tubular metal resonator and the inner wall cooperation that the connecting pipe is located stable section, and the terminal surface of tubular metal resonator and the inner wall contact that the connecting pipe is located the prevention section are equipped with O shape circle, expand tight spring and press from both sides tight spring in the inner wall of the assembly section of connecting pipe, press from both sides tight spring housing and establish on the lateral wall of tubular metal resonator, press from both sides tight spring's appearance position tapering, and the hole shape that expands tight spring is the tapering, expands the inner wall of tight spring and press from both sides tight spring's outer wall cooperation, expands the outer wall that tight spring and the inner wall contact that the connecting pipe is located the assembly section. The utility model discloses a set up sealed O shape circle in the assembly section of pipeline, O shape circle is by the extrusion back, no matter can both seal up pipe fitting and tubular product when pipeline internal pressure is low or high and do not leak, can bear very high drawing force, has solved the problem that the phenomenon was revealed to the quick installation connection technique of inserting of current metal pipeline.

Description

Quick plug-in metal pipeline connecting device that can seal in advance
Technical Field
The utility model relates to a pipe connection field, in particular to quick bayonet metal pipeline connecting device that can seal in advance.
Background
In modern society, the application field of pipeline is wider and wider more, and corresponding connection mode to the pipeline also has different requirements, and traditional pipe connection has threaded connection, welding, card pressure, ring pressure, bolted connection etc. and current metal pipeline inserts installation connection technology soon can not compress the sealing washer in advance, and when the low pressure or non-pressure in the pipeline, there is the leakage phenomenon.
Disclosure of Invention
The utility model aims to provide a: the utility model provides a can be sealed quick bayonet metal pipeline connecting device in advance, through set up sealed O shape circle in the assembly section of pipeline, O shape circle is extrudeed the back, no matter can both seal pipe fitting and tubular product when the pipeline internal pressure is low or high and do not leak, can bear very high drawing force, and manufacturing process is simple, and is with low costs, has solved the problem that the phenomenon was revealed in the installation and connection technique of inserting soon of current metal pipeline.
The utility model adopts the technical scheme as follows:
a quick insertion type metal pipeline connecting device capable of being pre-sealed comprises a connecting pipe, wherein the connecting pipe comprises a leading-in section, an assembling section, a stabilizing section and a stopping section, the connecting pipe is matched with a metal pipe, one end of the metal pipe is inserted into the leading-in section of the connecting pipe, the metal pipe is matched with the inner wall, located at the stabilizing section, of the connecting pipe, the end face of the metal pipe is in contact with the inner wall, located at the stopping section, of the connecting pipe, an O-shaped ring, an expansion spring and a clamping spring are arranged in the inner wall of the assembling section of the connecting pipe, the clamping spring is sleeved on the side wall of the metal pipe, the outer shape of the clamping spring is tapered, the inner hole of the expansion spring is in tapered shape, the inner wall of the expansion spring is matched with the outer wall of the clamping spring, the outer wall of the expansion spring is in contact with the inner wall, located at the assembling section, the O-shaped ring is sleeved on the side wall, the outer wall of the O-shaped ring is in contact with the inner wall of the connecting pipe located at the assembling section.
When the pipeline system pressure is very high, the pressure of the pipeline per se can extrude the O-shaped ring to the taper position where the metal pipe is combined with the connecting pipe, so that the leakage cannot be generated when the pipeline system pressure is very small or no pressure is generated, when the pipeline pressure is very high, the pressure of the pipeline per se can extrude the O-shaped ring to the taper position where the metal pipe is combined with the connecting pipe, and the clamping spring with the taper shape and the expansion spring with the taper shape are matched in a taper mode because the clamping spring with the taper shape are wedged with the expansion spring with the taper shape, the clamping spring with the shape of taper can be more tightly contracted when the pressure in the pipeline is higher, and the clamping spring with the shape of taper can be more firmly clamped on the metal pipe.
The utility model discloses a set up sealed O shape circle in the assembly section of pipeline, O shape circle is by the extrusion back, no matter can both seal up pipe fitting and tubular product when pipeline internal pressure is low or high and do not leak, can bear very high drawing force, and manufacturing process is simple, and is with low costs, has solved the problem that the phenomenon was revealed in the quick-plug erection joint technique of current metal pipeline.
Further, the O-shaped ring is a rubber sealing ring. The rubber sealing ring has low cost and convenient replacement, and is most suitable for sealing.
Furthermore, the outer wall of the expansion spring and the inner wall of the clamping spring are both provided with annular grains. Further increases the friction force, is convenient for pulling the metal pipe, enables the O-shaped ring to be extruded more easily, and seals the gap between the metal pipe and the connecting pipe.
Due to the adoption of the technical scheme, the beneficial effects of the utility model are that:
1. the utility model relates to a can be sealed quick bayonet metal pipeline connecting device in advance, through set up sealed O shape circle in the assembly section of pipeline, O shape circle is by the extrusion back, no matter can both seal up pipe fitting and tubular product when pipeline internal pressure is low or high and do not leak, can bear very high drawing force, and manufacturing process is simple, and is with low costs, has solved the problem that the phenomenon was revealed in the quick-witted erection joint technique of inserting of current metal pipeline.
2. The utility model relates to a can be sealed in advance bayonet metal pipeline connecting device fast, O shape circle is rubber seal. The rubber sealing ring has low cost and convenient replacement, and is most suitable for sealing.
3. The utility model relates to a can be sealed quick bayonet metal pipeline connecting device in advance all is equipped with the annular line on the outer wall of tight spring that expands and the inner wall that presss from both sides tight spring. Further increases the friction force, is convenient for pulling the metal pipe, enables the O-shaped ring to be extruded more easily, and seals the gap between the metal pipe and the connecting pipe.
Drawings
The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is an exploded view of the structure of the present invention;
fig. 3 is a cross-sectional view of the present invention.
Reference numerals in the drawings indicate:
1-metal tube, 2-O-shaped ring, 3-expansion spring, 4-clamping spring, 5-leading-in section, 6-assembling section, 7-stabilizing section, 8-stopping section and 9-connecting tube.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and examples, the exemplary embodiments of the present invention and the description thereof are only used for explaining the present invention, and are not intended as limitations of the present invention, and the connection in the specification is welding or riveting in the common knowledge, and the size ratio between each component in the specification does not represent the size ratio of each component in actual use.
The present invention will be described in detail with reference to fig. 1 to 3.
Example 1
A quick insertion type metal pipeline connecting device capable of being sealed in advance comprises a connecting pipe 9, wherein the connecting pipe 9 comprises a leading-in section 5, an assembling section 6, a stabilizing section 7 and a stopping section 8, the connecting pipe 9 is matched with a metal pipe 1, one end of the metal pipe 1 is inserted from the leading-in section 5 of the connecting pipe 9, the metal pipe 1 is matched with the inner wall, located on the stabilizing section 7, of the connecting pipe 9, the end face of the metal pipe 1 is in contact with the inner wall, located on the stopping section 8, of the connecting pipe 9, an O-shaped ring 2, an expansion spring 3 and a clamping spring 4 are arranged in the inner wall of the assembling section 6 of the connecting pipe 9, the clamping spring 4 is sleeved on the side wall of the metal pipe 1, the outer shape of the clamping spring 4 is tapered, the expansion spring 3 is sleeved on the clamping spring 4, the inner hole of the expansion spring 3 is tapered, the inner wall of the expansion spring 3 is matched with the outer wall of the clamping spring 4, the outer wall, the O-shaped ring 2 is sleeved on the side wall of the metal pipe 1, the O-shaped ring 2 is located between the expansion spring 3 and the leading-in section 5, and the outer wall of the O-shaped ring 2 is in contact with the inner wall of the connecting pipe 9 located at the assembling section 6.
When the pipeline system is used, one metal pipe 1 is respectively inserted into two ends of a connecting pipe 9 in the same way, so that the two metal pipes 1 are communicated with the connecting pipe 9, when one end of the metal pipe 1 is inserted into the leading-in section 5 of the connecting pipe 9 until the metal pipe 1 can not be continuously inserted into the inner part under the limitation of the stopping section 8 of the connecting pipe 9, then the metal pipe 1 is pulled outwards, the metal pipe 1 drives the clamping spring 4 and the expansion spring 3 to extrude the O-shaped ring 2, because the outer diameter of the expansion spring 3 with the tapered inner hole is slightly larger than that of the assembling section 6, the expansion spring 3 with the tapered inner hole can not retreat after extruding the O-shaped ring 2, at the moment, when the pressure of the pipeline system is very small or no pressure, leakage can not occur, when the pressure in the pipeline is very large, the pressure of the pipeline can extrude the O-shaped ring 2 to the taper part where the metal pipe 1 is combined with the connecting pipe 9, so that the pressure in the pipeline system can not, because the clamping spring 4 with the shape of taper and the expansion spring 3 with the inner hole with the shape of taper are in taper fit with each other, the clamping spring 4 with the shape of taper contracts more tightly when the pressure in the pipeline is higher, and the clamping spring 4 with the shape of taper is clamped on the metal pipe 1 more firmly.
The utility model discloses a set up sealed O shape circle in the assembly section of pipeline, O shape circle is by the extrusion back, no matter can both seal up pipe fitting and tubular product when pipeline internal pressure is low or high and do not leak, can bear very high drawing force, and manufacturing process is simple, and is with low costs, has solved the problem that the phenomenon was revealed in the quick-plug erection joint technique of current metal pipeline.
The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can be covered within the protection scope of the present invention without the changes or substitutions conceived by the inventive work within the technical scope disclosed by the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims (3)

1. The utility model provides a can be sealed bayonet metal pipeline connecting device fast in advance which characterized in that: comprises a connecting pipe (9), the connecting pipe (9) comprises a leading-in section (5), an assembling section (6), a stabilizing section (7) and a stopping section (8), the connecting pipe (9) is matched with a metal pipe (1), one end of the metal pipe (1) is inserted from the leading-in section (5) of the connecting pipe (9), the metal pipe (1) is matched with the inner wall of the connecting pipe (9) positioned at the stabilizing section (7), the end surface of the metal pipe (1) is contacted with the inner wall of the connecting pipe (9) positioned at the stopping section (8), an O-shaped ring (2), a tightening spring (3) and a clamping expansion spring (4) are arranged in the inner wall of the assembling section (6) of the connecting pipe (9), the clamping spring (4) is sleeved on the side wall of the metal pipe (1), the outer shape of the clamping spring (4) is tapered, the expansion spring (3) is sleeved on the inner hole of the clamping spring (4), and the shape of the expansion spring (3) is tapered, expand the inner wall of tight spring (3) and press from both sides the outer wall cooperation of tight spring (4), expand the inner wall contact that the outer wall and connecting pipe (9) of tight spring (3) are located assembly section (6), O shape circle (2) cover is established on the lateral wall of tubular metal resonator (1), and O shape circle (2) are located to expand tightly between spring (3) and leading-in section (5), and the outer wall and the connecting pipe (9) of O shape circle (2) are located the inner wall contact of assembly section (6).
2. A pre-sealable, quick-insertion metal pipe connection as claimed in claim 1, wherein: the O-shaped ring (2) is a rubber sealing ring.
3. A pre-sealable, quick-insertion metal pipe connection as claimed in claim 1, wherein: and annular grains are arranged on the outer wall of the expansion spring (3) and the inner wall of the clamping spring (4).
CN201922339729.2U 2019-12-23 2019-12-23 Quick plug-in metal pipeline connecting device that can seal in advance Active CN211289129U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922339729.2U CN211289129U (en) 2019-12-23 2019-12-23 Quick plug-in metal pipeline connecting device that can seal in advance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922339729.2U CN211289129U (en) 2019-12-23 2019-12-23 Quick plug-in metal pipeline connecting device that can seal in advance

Publications (1)

Publication Number Publication Date
CN211289129U true CN211289129U (en) 2020-08-18

Family

ID=72017406

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922339729.2U Active CN211289129U (en) 2019-12-23 2019-12-23 Quick plug-in metal pipeline connecting device that can seal in advance

Country Status (1)

Country Link
CN (1) CN211289129U (en)

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