CN213271507U - Explosion-proof flexible connecting pipe - Google Patents
Explosion-proof flexible connecting pipe Download PDFInfo
- Publication number
- CN213271507U CN213271507U CN202021943305.3U CN202021943305U CN213271507U CN 213271507 U CN213271507 U CN 213271507U CN 202021943305 U CN202021943305 U CN 202021943305U CN 213271507 U CN213271507 U CN 213271507U
- Authority
- CN
- China
- Prior art keywords
- connecting pipe
- main part
- explosion
- wall
- connecting piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Joints With Pressure Members (AREA)
Abstract
The utility model provides an explosion-proof flexible connection pipe, including connecting pipe main part and connector, connecting pipe main part both ends are equipped with the screw thread, the connector including be used for with the first connecting piece that the connecting pipe main part is connected and be used for the second connecting piece of being connected with other pipelines, first connecting piece includes outer wall and inner wall, the outer wall includes link and stiff end, the link inboard be equipped with screw thread assorted internal thread in the connecting pipe main part, the stiff end outside is equipped with the external screw thread, the inboard equipartition of stiff end be equipped with be used for with the firm fixture block of connecting pipe main part installation, the first connecting piece outside is equipped with lock nut.
Description
Technical Field
The utility model belongs to the technical field of, concretely relates to explosion-proof flexible connection pipe.
Background
The explosion-proof flexible connecting pipe is also called an explosion-proof flexible pipe, is suitable for explosive mixture places of IIB and IIC levels T1-T6 groups in combustible dust environments, is used for connecting inlet and outlet wires of explosion-proof electrical equipment or places with high difficulty in steel pipe wiring bending, and generally comprises a pipe body and threaded joints at two ends of the pipe body, wherein the threaded joints of the traditional explosion-proof flexible connecting pipe are generally connected with the pipe body in a mechanical pressing mode, and when the pressure is high or the use time is long, a hose is easy to loosen and even fall off from a connecting bolt, so that the normal use of the equipment is influenced, and potential safety hazards are left when workers are inconveniently installed; in addition, the existing explosion-proof flexible connecting pipe basically adopts a structure that an explosion-proof hose and a pipe fitting are connected together in a crimping mode, the length is fixed, the pipe fitting cannot be detached, and in case of aging and cracking of the explosion-proof hose or corrosion of the pipe fitting, the whole pipe fitting must be replaced, unnecessary waste is caused, the pipe fitting cannot be crimped on site, the length specification is limited, certain waste can be caused, and the time for replacing and maintaining cannot be guaranteed. In view of the above technical problems, there is a need to provide an explosion-proof flexible connection tube to overcome the above-mentioned drawbacks in the prior art.
An explosion-proof flexible connection pipe as laid open No. CN205178465U discloses, including the connector that connecting pipe and connecting pipe both ends are fixed, the connector is including the compaction pipe that an organic whole was made, the one end of compaction pipe has spacing portion, the spacing groove that supplies this spacing portion card to establish is seted up to the connecting pipe, makes current compaction pipe and connector integrative, and the installation and the connection firmness of the connector of being convenient for, and establish spacingly through spacing portion and the spacing groove card that compresses tightly the setting of pipe one end, avoid axial drunkenness to further improve the fixed firm nature of connector and connecting pipe to improve whole explosion-proof flexible connection pipe life.
Also disclosed in publication No. CN205578957U is an explosion-proof flexible connection tube for sealing connection between a cable and an explosion-proof device. The anti-explosion hose comprises an anti-explosion hose, a conical pressing sleeve, a locking nut and a connecting pipe fitting, and is characterized in that the anti-explosion hose is sleeved at the left end of the connecting pipe fitting, the locking nut is sleeved at the outer end of the anti-explosion hose, the right end of the locking nut is connected to the connecting pipe fitting through threads, and the conical pressing sleeve with an elastic opening is filled in an annular gap between the locking nut and the anti-explosion hose.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an explosion-proof flexible connection pipe, firm in connection just be liable to change between connecting pipe main part and the connector.
The utility model provides a following technical scheme:
the utility model provides an explosion-proof flexible connection pipe, a serial communication port, including connecting pipe main part and connector, connecting pipe main part both ends are equipped with the screw thread, the connector including be used for with the first connecting piece that the connecting pipe main part is connected and be used for the second connecting piece of being connected with other pipelines, first connecting piece includes outer wall and inner wall, the outer wall includes link and stiff end, the link inboard be equipped with screw thread assorted internal thread in the connecting pipe main part, the stiff end outside is equipped with the external screw thread, the inboard equipartition of stiff end be equipped with be used for with the firm fixture block of connecting pipe main part installation, the first connecting piece outside is equipped with lock nut.
Preferably, the fixing end is provided with at least two openings along the axial direction.
Preferably, both ends of the first connecting piece are provided with limiting rings, and the limiting rings and the outer wall of the first connecting piece are fixed into a whole.
Preferably, the second connecting piece and the first connecting piece are fixed into a whole, and threads for connecting with other pipelines are arranged in the second connecting piece.
Preferably, the connecting duct body is mounted between the outer wall and the inner wall.
The utility model has the advantages that: simple structure, buckle and lock nut cooperation for connector and connecting pipe main part firm in connection can not send into the danger that connector and connecting pipe main part break away from in the use, simultaneously, when connecting pipe main part live time is more of a specified duration, when needing to be changed, can only trade the connecting pipe main part, and the connector can continue to use, dismantles simple to operate, saves resource material.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of the whole structure of the locknut when the locknut is not locked;
fig. 2 is a schematic view of the whole structure of the locking nut of the present invention when locking;
FIG. 3 is a schematic view of the structure of the connecting head when the locking nut of the present invention is unlocked;
fig. 4 is a schematic diagram of the structure of the connector when the locking nut of the present invention is locked.
Detailed Description
As shown in the figure, for the utility model provides a pair of explosion-proof flexible connection pipe, including connecting pipe main part 1 and connector 2, 1 both ends of connecting pipe main part are equipped with the screw thread, and connector 2 is including being used for the first connecting piece be connected with connecting pipe main part 1 and being used for the second connecting piece with other pipe connections, and the second connecting piece is fixed as an organic whole with first connecting piece, and the inside screw thread that is used for with other pipe connections that is equipped with of second connecting piece. The first connecting piece comprises an outer wall and an inner wall, and the connecting pipeline main body is installed between the outer wall and the inner wall. The outer wall comprises a connecting end and a fixed end, wherein the inner side of the connecting end is provided with an internal thread 3 matched with a thread on the connecting pipe main body 1, the outer side of the fixed end is provided with an external thread 4, the inner side of the external thread 4 is uniformly provided with a fixture block 5 for firmly installing the connecting pipe main body, the fixed end is provided with at least two openings 7 along the axial direction, when the connecting pipe main body 1 penetrates between the inner wall and the outer wall, the fixed end outwards expands under the supporting action of the fixture block 5, the outer side of the first connecting piece is provided with a locking nut 6, after the connecting pipe main body 1 is completely screwed into the first connecting piece, the locking nut 6 rotates to the outer side of the fixed end, the fixture block 5 at the inner side of the fixed end is pressed and clamped into the outer wall of the connecting pipe main body 1, the connecting pipe main body 1 can not fall off, for preventing the lock nut 6 from falling off.
When connecting pipe main part 1 is connected with connector 2, at first revolve lock nut 6 to the link of first connecting piece, then insert connecting pipe main part 1 between outer wall and the inner wall, rotate connector 2 afterwards, make connecting pipe main part 1 penetrate deepest department (when connector 2 can't continue to rotate promptly), rotate lock nut 6 to the stiff end of first connecting piece afterwards, compress tightly the card with the inboard fixture block 5 of stiff end and go into in the rubber outer wall of connecting pipe main part 1, ensure that connecting pipe main part 1 also can not drop from connector 2 under the high-pressure effect. When the connecting pipe body 1 and the connector 2 are disassembled, firstly, the lock nut 6 is screwed to the connecting end of the first connecting piece, then the connector 2 is rotated to gradually unscrew from the connecting pipe body 1, when the rotation is completed (when the rotation is continued, the positions of the connector 2 and the connecting pipe body 1 are relatively unchanged), the connector 2 is forcibly pulled out, and the disassembly is completed.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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 (5)
1. The utility model provides an explosion-proof flexible connection pipe, its characterized in that, includes connecting pipe main part (1) and connector (2), connecting pipe main part (1) both ends are equipped with the screw thread, connector (2) including be used for with the first connecting piece that connecting pipe main part (1) is connected and be used for the second connecting piece of being connected with other pipelines, first connecting piece includes outer wall and inner wall, the outer wall includes link and stiff end, the link inboard be equipped with screw thread assorted internal thread (3) on connecting pipe main part (1), the stiff end outside is equipped with external screw thread (4), the inboard equipartition of stiff end be equipped with be used for with connecting pipe main part firm fixture block (5) of installation, the first connecting piece outside is equipped with lock nut (6).
2. An explosion-proof flexible connection pipe according to claim 1, characterized in that the fixed end is provided with at least two openings (7) in the axial direction.
3. An explosion-proof flexible connecting pipe according to claim 1, characterized in that both ends of the first connecting piece are provided with a limiting ring (8), and the limiting ring (8) is fixed with the outer wall of the first connecting piece into a whole.
4. An explosion-proof flexible connecting pipe according to claim 1, wherein the second connecting member is fixed integrally with the first connecting member, and a screw thread for connecting with other pipes is provided inside the second connecting member.
5. An explosion proof flexible connection pipe according to claim 1 wherein the connection pipe body is installed between the outer wall and the inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021943305.3U CN213271507U (en) | 2020-09-08 | 2020-09-08 | Explosion-proof flexible connecting pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021943305.3U CN213271507U (en) | 2020-09-08 | 2020-09-08 | Explosion-proof flexible connecting pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213271507U true CN213271507U (en) | 2021-05-25 |
Family
ID=75939364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021943305.3U Active CN213271507U (en) | 2020-09-08 | 2020-09-08 | Explosion-proof flexible connecting pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213271507U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113803548A (en) * | 2021-10-22 | 2021-12-17 | 安徽江淮汽车集团股份有限公司 | Hose connection joint |
-
2020
- 2020-09-08 CN CN202021943305.3U patent/CN213271507U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113803548A (en) * | 2021-10-22 | 2021-12-17 | 安徽江淮汽车集团股份有限公司 | Hose connection joint |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210490438U (en) | Waterproof fixed head of cable threading | |
| CN205195180U (en) | Pipeline hidden danger annihilator | |
| CN103851559A (en) | Waterproof lamp and cable joint structure thereof | |
| CN213271507U (en) | Explosion-proof flexible connecting pipe | |
| CN101893221A (en) | Lamp cable sealing structure | |
| RU155936U1 (en) | EXPLOSION CABLE INPUT | |
| CN104806826A (en) | Clamp ring two-side-locked thin-walled metal pipe intertubular connecting component | |
| CN205231353U (en) | Waterproof tensile fastening of cable and fastening structure | |
| CN205565214U (en) | Connector is screwed up to spiral for power cable | |
| CN113067202B (en) | One-time rubber covered army gauge cable connector | |
| CN108662345A (en) | A kind of end enclosure structure for pvc pipelines tail portion | |
| CN209267135U (en) | A kind of charging pile flange form waterproof connector | |
| CN209278687U (en) | A kind of high intensity snap ring-type locking waterproof hose connector | |
| CN208522153U (en) | A kind of photovoltaic cell component connector | |
| CN108376882B (en) | Connecting structure of cable quick-connection plug and socket | |
| CN209418876U (en) | A kind of non-threaded connector of direct insertion via hole | |
| CN110289528A (en) | A kind of waterproof butt joint | |
| CN220527666U (en) | Double-horn-mouth FT type cable joint | |
| CN220754292U (en) | Explosion-proof penetrator and explosion-proof electrical equipment | |
| CN205048021U (en) | Two siphunculuss connect and two siphunculus joint Assembly | |
| CN219419625U (en) | New energy connector waterproof construction | |
| CN211089037U (en) | Sealing connection reducing | |
| CN212564800U (en) | Connection structure for SF6 gas connection pipeline | |
| CN220190365U (en) | Rotary adapter | |
| CN217736609U (en) | Metal hose for gas appliance connection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |