CN216743327U - Explosion-proof flexible connecting pipe - Google Patents
Explosion-proof flexible connecting pipe Download PDFInfo
- Publication number
- CN216743327U CN216743327U CN202122653715.5U CN202122653715U CN216743327U CN 216743327 U CN216743327 U CN 216743327U CN 202122653715 U CN202122653715 U CN 202122653715U CN 216743327 U CN216743327 U CN 216743327U
- Authority
- CN
- China
- Prior art keywords
- connecting piece
- explosion
- proof flexible
- movable
- rod
- 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
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The utility model belongs to the field of pipe fittings, and particularly relates to an explosion-proof flexible connecting pipe which comprises an explosion-proof flexible hose, a first connecting piece and a second connecting piece; an explosion-proof flexible hose is fixedly connected between the first connecting piece and the second connecting piece; the upper end and the lower end of the first connecting piece are both provided with splicing structures, each splicing structure comprises a threaded rod, a transmission assembly, a handle, a rubber ring and a supporting assembly, the two groups of threaded rods are movably arranged inside the upper end and the lower end of the first connecting piece through middle bearings, the transmission assembly is arranged between one end of each threaded rod and the corresponding handle, and a threaded sleeve is sleeved outside each threaded rod; the problem of be not convenient for obtain fixedly between two sets of devices is solved, through mosaic structure, the operating personnel of being convenient for carries out the fixed operation to between two sets of devices, has improved the convenience of operation, cooperates the use through splicing and being applicable to different equipment to between two sets of devices.
Description
Technical Field
The utility model relates to the field of pipe fittings, in particular to an explosion-proof flexible connecting pipe.
Background
With the progress and development of the industry, the connecting pipe is widely used, and is mainly used as a connecting pipe for electric wires, cables, signals of an automatic instrument and a civil shower hose.
The explosion-proof flexible connecting pipe is one kind of connecting pipe, is mainly used for the wire inlet and outlet connection of explosion-proof electrical equipment or the connection of places with higher difficulty in wire distribution of steel pipes, and has the functions of flame resistance, oil resistance, corrosion resistance, water resistance, wear resistance and the like.
When the existing explosion-proof flexible connecting pipe is used, because the length design of the connecting pipe is fixed, the two corresponding groups of connecting pipes are not convenient to splice, and the applicability is poor; therefore, an explosion-proof flexible connection pipe is proposed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art and solve the problem that the existing connecting pipes are not convenient to splice, the utility model provides an explosion-proof flexible connecting pipe.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model relates to an explosion-proof flexible connecting pipe which comprises an explosion-proof flexible hose, a first connecting piece and a second connecting piece, wherein the first connecting piece is connected with the second connecting piece; an explosion-proof flexible hose is fixedly connected between the first connecting piece and the second connecting piece;
the upper end and the lower end of the first connecting piece are both provided with splicing structures, each splicing structure comprises a threaded rod, a transmission component, a handle, a rubber ring and a supporting component, the two groups of threaded rods are movably arranged inside the upper end and the lower end of the first connecting piece through middle bearings, a transmission component is arranged between one end of the threaded rod and the handle, a threaded sleeve is sleeved outside the threaded rod, and one end of the threaded sleeve close to the interior of the first connecting piece is movably provided with a hinge rod through a rotating shaft, and the other end of the hinge rod is movably provided with a clamping block through the rotating shaft, the clamping block is movably arranged inside one end of the first connecting piece through the supporting component, the rubber ring is glued on the inner wall of the first connecting piece, the problem that two groups of devices are not fixed conveniently is solved, through mosaic structure, the operating personnel of being convenient for carry out fixed operation between to two sets of devices, improved the convenience of operation.
Preferably, drive assembly includes passive conical gear, initiative conical gear and transmission shaft, passive conical gear rigid coupling is in threaded rod one end, intermeshing between passive conical gear and the initiative conical gear, link firmly the transmission shaft between initiative conical gear and the handle, improved the convenience when operating personnel rotates the rubber circle, saved operating personnel's labour.
Preferably, the outer wall of the fixture block is glued with a sealing ring, and one end of the sealing ring, which is far away from the hinge rod, is clamped with the inside of the first connecting piece, so that the sealing performance between the fixture block and the first connecting piece is improved, and the dustproof and waterproof effects are achieved.
Preferably, the supporting component comprises a sliding groove and a sliding block, the sliding groove is formed in the upper end and the lower end of the first connecting piece, the sliding block is slidably mounted in the sliding groove, one side of the sliding block is fixedly connected with the other side of the clamping block, the clamping block can conveniently move up and down under the matching effect of the sliding groove and the sliding block, and the supporting effect is achieved.
Preferably, the outer wall of the explosion-proof flexible hose is provided with a protection structure, the protection structure comprises a protection sleeve, a movable rod, a spring and a bolt, the protection sleeve is fixed to the protection sleeve through the bolt, a nut is sleeved outside the bolt, the protection sleeve is sleeved on the outer portion of the upper end and the lower end of the explosion-proof flexible hose, movable grooves are formed in the upper end and the lower end of the first connecting piece and the lower end of the second connecting piece, the movable rods are movably mounted in the movable grooves through connecting components, the spring is welded between one side of each movable rod and the inner portion of each movable groove, one end of each movable rod, far away from the spring, is inserted into the protection sleeve, the problem that the explosion-proof flexible hose is not convenient to protect is solved, the explosion-proof flexible hose is prevented from being rubbed with external objects through the protection structure and is easy to damage, and the usability of protection operation is improved.
Preferably, coupling assembling includes dead lever and movable block, the inside rigid coupling of activity inslot has the dead lever, and the movable block is established to the outside cover of dead lever, movable block one side rigid coupling has improved the convenience of removing the operation in movable rod opposite side, plays spacing effect to the movable rod simultaneously.
The utility model has the advantages that:
1. according to the utility model, one end of the other group of second connecting pieces is inserted into the corresponding first connecting piece, then the handle is rotated until one end of the fixture block close to the inside of the first connecting piece is inserted into the corresponding second connecting piece, so that the function of fixing the other group of second connecting pieces is realized, the problem that two groups of devices are not convenient to fix is solved, through the splicing structure, operators can conveniently fix and operate the two groups of devices, the convenience of operation is improved, and the device is suitable for being matched with different equipment for use by splicing the two groups of devices;
2. according to the utility model, the push block outside the movable rod is pulled towards one end far away from the explosion-proof flexible hose until the movable rod is moved to a proper position, then the two groups of protective sleeves are sleeved outside the upper end and the lower end of the explosion-proof flexible hose, and then the push block is loosened, so that the movable rod fixes the protective sleeves, the problem that the explosion-proof flexible hose is inconvenient to protect is solved, the explosion-proof flexible hose is prevented from being easily damaged due to friction with an external object through the protective structure, the usability of the protective operation is improved, and meanwhile, the service life of the device is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic perspective view of a first embodiment;
FIG. 2 is a schematic front view of the first embodiment;
FIG. 3 is a schematic partial side view in cross section according to the first embodiment;
FIG. 4 is an enlarged structural view of the first embodiment at A in FIG. 2;
FIG. 5 is an enlarged structural view of the first embodiment at B in FIG. 2;
fig. 6 is a schematic partial front cross-sectional view illustrating a second embodiment of the present invention.
In the figure: 110. an explosion-proof flexible hose; 120. a first connecting member; 130. a second connecting member; 210. a threaded rod; 220. a transmission assembly; 230. a handle; 240. a threaded sleeve; 250. a hinged lever; 260. a clamping block; 270. a seal ring; 280. a rubber ring; 290. a support assembly; 310. a protective sleeve; 320. a movable groove; 330. a movable rod; 340. a connecting assembly; 350. a spring; 360. a rubber block; 370. a bolt; 380. and (4) a nut.
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 one
Referring to fig. 1-5, an explosion-proof flexible connection tube includes an explosion-proof flexible hose 110, a first connection member 120 and a second connection member 130; the explosion-proof flexible hose 110 is fixedly connected between the first connecting piece 120 and the second connecting piece 130;
the upper end and the lower end of the first connecting piece 120 are both provided with splicing structures, each splicing structure comprises a threaded rod 210, a transmission assembly 220, a handle 230, a rubber ring 280 and a supporting assembly 290, two groups of threaded rods 210 are movably arranged inside the upper end and the lower end of the first connecting piece 120 through middle bearings, the transmission assembly 220 is arranged between one end of each threaded rod 210 and the corresponding handle 230, a threaded sleeve 240 is sleeved outside each threaded rod 210, a hinged rod 250 is movably arranged at one end, close to the inside of the first connecting piece 120, of each threaded sleeve 240 through a rotating shaft, a clamping block 260 is movably arranged at the other end of each hinged rod 250 through a rotating shaft, each clamping block 260 is movably arranged inside one end of the first connecting piece 120 through the supporting assembly 290, and the rubber ring 280 is glued to the inner wall of the first connecting piece 120; when the two sets of devices need to be fixed, one end of the other set of second connecting piece 130 is inserted into the corresponding first connecting piece 120 until the other set of second connecting piece 130 is moved to a proper position, the other side of the rubber ring 280 is attached to one side of the other side of the second connecting piece 130, then the handle 230 is rotated, under the cooperation of the handle 230, the threaded rod 210 is driven to rotate, under the cooperation of the threaded rod 210 and the threaded sleeve 240, the angle of the hinge rod 250 is changed, the fixture block 260 moves towards the inside close to the first connecting piece 120, under the cooperation of the support component 290, one end of the fixture block 260 is moved to the inside of the corresponding second connecting piece 130 to be mutually clamped, and one end of the sealing ring 270 far away from the hinge rod 250 is mutually clamped with the inside of the first connecting piece 120, so that the other set of second connecting piece 130 obtains a fixing function, the problem of be not convenient for obtain fixedly between two sets of devices is solved, through mosaic structure, the operating personnel of being convenient for carries out the fixed operation between to two sets of devices, has improved the convenience of operation, has practiced thrift the time of installation operation, and the equipment that is applicable to the difference through splicing between two sets of devices cooperates the use.
The transmission assembly 220 comprises a driven bevel gear, a driving bevel gear and a transmission shaft, the driven bevel gear is fixedly connected to one end of the threaded rod 210, the driven bevel gear and the driving bevel gear are meshed with each other, and the driving bevel gear and the handle 230 are fixedly connected with each other through the transmission shaft; the during operation, through the structural design of drive assembly 220, when rotating rubber ring 280 to drive the transmission shaft, under passive conical gear and initiative conical gear's mating reaction, thereby drive threaded rod 210 and rotate, improved the convenience when operating personnel rotates rubber ring 280, saved operating personnel's labour simultaneously.
A sealing ring 270 is glued on the outer wall of the clamping block 260, and one end of the sealing ring 270, which is far away from the hinge rod 250, is clamped with the inside of the first connecting piece 120; during operation, through the design of sealing washer 270, when fixture block 260 moved to suitable position, when the one end that articulated pole 250 was kept away from to sealing washer 270 and the inside mutual block of first connecting piece 120, improved the leakproofness between fixture block 260 and the first connecting piece 120, played dustproof and waterproof's effect.
The supporting component 290 comprises sliding grooves and sliding blocks, two groups of sliding grooves are arranged inside the upper end and the lower end of the first connecting piece 120, the sliding blocks are slidably arranged inside the sliding grooves, and one side of each sliding block is fixedly connected with the other side of the corresponding clamping block 260; in operation, through the structural design of the supporting component 290, the fixture block 260 can move up and down under the matching effect of the sliding groove and the sliding block, and meanwhile, the fixture block 260 is prevented from being changed in angle through the rotating shaft when moving out of the first connecting part 120, so that the supporting function is achieved.
The outer wall of the explosion-proof flexible hose 110 is provided with a protection structure, the protection structure comprises protection sleeves 310, movable rods 330, springs 350 and bolts 370, the two groups of protection sleeves 310 are fixed through the bolts 370, nuts 380 are sleeved outside the bolts 370, the two groups of protection sleeves 310 are all sleeved outside the upper and lower ends of the explosion-proof flexible hose 110, the upper and lower ends of the first connecting piece 120 and the second connecting piece 130 are both provided with movable grooves 320, the movable rods 330 are movably mounted inside the movable grooves 320 through connecting components 340, the springs 350 are welded between one sides of the movable rods 330 and the inside of the movable grooves 320, and one ends of the movable rods 330, far away from the springs 350, are inserted inside the protection sleeves 310; when the anti-explosion flexible hose 110 needs to be protected in work, firstly, the pushing block outside the movable rod 330 is pulled towards one end far away from the anti-explosion flexible hose 110 under the matching action of the connecting assembly 340 until the movable rod 330 is moved to a proper position, then two groups of protective sleeves 310 are sleeved outside the upper end and the lower end of the anti-explosion flexible hose 110, then the pushing block is loosened, the spring 350 is extruded, so that the movable rod 330 has a restoring action, the movable rod 330 returns to the original position, one end of the movable rod 330 far away from the spring 350 is inserted into the corresponding protective sleeve 310 so as to fix the protective sleeve 310, then the bolt 370 is inserted into the positioning grooves at the front end and the rear end of the two groups of protective sleeves 310, and then the nut 380 is sleeved outside the bolt 370 until the bolt is screwed, so that the fixity between the two groups of protective sleeves 310 is further improved, and the problem that the anti-explosion flexible hose 110 is inconvenient to protect is solved, through the protection structure, the explosion-proof flexible hose 110 is prevented from being easily damaged due to friction with external objects, the usability of protection operation is improved, and meanwhile the service life of the device is prolonged.
The connecting assembly 340 comprises a fixed rod and a movable block, the fixed rod is fixedly connected inside the movable groove 320, the movable block is sleeved outside the fixed rod, and one side of the movable block is fixedly connected to the other side of the movable rod 330; the during operation, through coupling assembling 340's structural design, the movable rod 330 of being convenient for removes under the mating reaction of dead lever and movable block, has improved the convenience of removing the operation, plays spacing effect to movable rod 330 simultaneously, and the movable rod 330 of being convenient for moves about in the position of injecing, has improved the smooth and easy nature when removing.
Example two
Referring to fig. 6, in a first comparative example, as another embodiment of the present invention, rubber blocks 360 are glued inside the left and right ends of the protecting sleeve 310, and one end of each rubber block 360 is engaged with the inside of the movable rod 330; during operation, through the design of rubber piece 360, when the movable rod 330 returns the normal position under the elastic action of spring 350, rubber piece 360 plays the effect of buffering to movable rod 330, because rubber piece 360 is the arc design, when the inside mutual block of the one end of rubber piece 360 and movable rod 330, thereby improved the fastening nature between movable rod 330 and the lag 310, improved lag 310's stability.
When two groups of devices need to be fixed, firstly, one end of the other group of second connecting pieces 130 is inserted into the corresponding first connecting pieces 120 until the other group of second connecting pieces 130 are moved to a proper position, the other side of the rubber ring 280 is mutually attached to one side of the other side of the second connecting pieces 130, then the handle 230 is rotated, under the matching action of the handle 230, the threaded rod 210 is driven to rotate, under the matching action of the threaded rod 210 and the threaded sleeve 240, the angle of the hinged rod 250 is changed, the fixture block 260 moves towards the inside close to the first connecting pieces 120, under the matching action of the supporting component 290, one end of the fixture block 260 is moved to the inside of the corresponding second connecting pieces 130 to be mutually clamped, and one end of the sealing ring 270 far away from the hinged rod 250 is mutually clamped with the inside of the first connecting pieces 120, so that the other group of second connecting pieces 130 can be fixed, the problem that two groups of devices are not convenient to fix is solved, through the splicing structure, operators can conveniently fix the two groups of devices, convenience in operation is improved, time for installation and operation is saved, and the splicing structure is suitable for matching different devices for use;
when the explosion-proof flexible hose 110 needs to be protected, firstly, the pushing block outside the movable rod 330 is pulled towards one end far away from the explosion-proof flexible hose 110 under the matching action of the connecting assembly 340 until the movable rod 330 is moved to a proper position, then two groups of protection sleeves 310 are sleeved outside the upper end and the lower end of the explosion-proof flexible hose 110, then the pushing block is loosened, the spring 350 is extruded, so that the movable rod 330 has a restoring action, the movable rod 330 returns to the original position, one end of the movable rod 330 far away from the spring 350 is inserted into the corresponding protection sleeve 310 so as to fix the protection sleeve 310, then the bolt 370 is inserted into the positioning groove at the front end and the rear end of the two groups of protection sleeves 310, and then the nut 380 is sleeved outside the bolt 370 until being screwed, so that the fixity between the two groups of explosion-proof protection sleeves 310 is further improved, and the problem that the explosion-proof flexible hose 110 is not convenient to protect is solved, through the protection structure, the explosion-proof flexible hose 110 is prevented from being easily damaged due to friction with external objects, the usability of protection operation is improved, and meanwhile the service life of the device is prolonged.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.
Claims (6)
1. An explosion-proof flexible connecting pipe is characterized in that: comprises an explosion-proof flexible hose (110), a first connecting piece (120) and a second connecting piece (130); an explosion-proof flexible hose (110) is fixedly connected between the first connecting piece (120) and the second connecting piece (130);
the upper end and the lower end of the first connecting piece (120) are both provided with splicing structures, each splicing structure comprises a threaded rod (210), a transmission component (220), a handle (230), a rubber ring (280) and a supporting component (290), the two groups of threaded rods (210) are movably arranged inside the upper end and the lower end of the first connecting piece (120) through middle bearings, a transmission component (220) is arranged between one end of the threaded rod (210) and the handle (230), a threaded sleeve (240) is sleeved outside the threaded rod (210), and one end of the threaded sleeve (240) close to the interior of the first connecting piece (120) is movably provided with a hinged rod (250) through a rotating shaft, and the other end of the hinged rod (250) is movably provided with a clamping block (260) through a rotating shaft, the clamping block (260) is movably arranged in one end of the first connecting piece (120) through a supporting component (290), and the rubber ring (280) is glued on the inner wall of the first connecting piece (120).
2. An explosion proof flexible connection tube according to claim 1, wherein: the transmission assembly (220) comprises a driven bevel gear, an active bevel gear and a transmission shaft, the driven bevel gear is fixedly connected to one end of the threaded rod (210), the driven bevel gear and the active bevel gear are meshed with each other, and the transmission shaft is fixedly connected between the active bevel gear and the handle (230).
3. An explosion proof flexible connection pipe according to claim 2, wherein: and a sealing ring (270) is adhered to the outer wall of the clamping block (260), and one end, far away from the hinge rod (250), of the sealing ring (270) is clamped with the inside of the first connecting piece (120).
4. An explosion proof flexible connection tube according to claim 3, wherein: the supporting component (290) comprises sliding grooves and sliding blocks, the two groups of sliding grooves are formed in the upper end and the lower end of the first connecting piece (120), the sliding blocks are slidably mounted in the sliding grooves, and one side of each sliding block is fixedly connected with the other side of the corresponding clamping block (260).
5. An explosion proof flexible connection tube according to claim 4, wherein: the outer wall of the explosion-proof flexible hose (110) is provided with a protection structure, the protection structure comprises a protection sleeve (310), a movable rod (330), a spring (350) and a bolt (370), the protection sleeve (310) is fixed through the bolt (370), a nut (380) is sleeved outside the bolt (370), the protection sleeve (310) is sleeved outside the upper end and the lower end of the explosion-proof flexible hose (110), movable grooves (320) are formed in the upper end and the lower end of a first connecting piece (120) and a second connecting piece (130), the movable rod (330) is movably installed inside the movable groove (320) through a connecting piece (340), the spring (350) is welded between one side of the movable rod (330) and the inside of the movable groove (320), and one end, far away from the spring (350), of the movable rod (330) is inserted inside the protection sleeve (310).
6. An explosion proof flexible connection tube according to claim 5, wherein: the coupling assembling (340) includes dead lever and movable block, the inside rigid coupling of activity groove (320) has the dead lever, and the movable block is established to the outside cover of dead lever, movable block one side rigid coupling in movable rod (330) opposite side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122653715.5U CN216743327U (en) | 2021-11-01 | 2021-11-01 | Explosion-proof flexible connecting pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122653715.5U CN216743327U (en) | 2021-11-01 | 2021-11-01 | Explosion-proof flexible connecting pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216743327U true CN216743327U (en) | 2022-06-14 |
Family
ID=81924020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122653715.5U Active CN216743327U (en) | 2021-11-01 | 2021-11-01 | Explosion-proof flexible connecting pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216743327U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115261536A (en) * | 2022-08-02 | 2022-11-01 | 南京金桓电子科技有限公司 | Blast furnace cooling device |
-
2021
- 2021-11-01 CN CN202122653715.5U patent/CN216743327U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115261536A (en) * | 2022-08-02 | 2022-11-01 | 南京金桓电子科技有限公司 | Blast furnace cooling device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216743327U (en) | Explosion-proof flexible connecting pipe | |
| CN112103876B (en) | Electric power engineering pipeline and construction method thereof | |
| CN107848123B (en) | Robot with energy pipe bundle | |
| CN210380219U (en) | Sealing connection device for electrical engineering joint | |
| CN110212485A (en) | Three core high-voltage undersea cable connector boxs of one kind and its installation method | |
| CN209918503U (en) | Pipe wall cleaning device for underground pipeline | |
| CN216929542U (en) | Cable anti-theft device in cable trench | |
| CN220605495U (en) | Pipeline connection protection device | |
| CN214043522U (en) | Novel outdoor vacuum circuit breaker | |
| CN213441061U (en) | Auxiliary device is pull in production of high performance PE traction tube | |
| CN209803423U (en) | Protection architecture of optical cable crossing position | |
| CN212012109U (en) | Quick connection structure of communication cable intermediate head | |
| CN216751157U (en) | Metal double-shrinkage waterproof joint for high-tensile cable | |
| CN115653982B (en) | Clamp connecting piece convenient to use | |
| CN218276051U (en) | High-strength HDPE cable protection pipe | |
| CN217086183U (en) | Starter cable assembly with good wear resistance and insulation property | |
| CN213693032U (en) | High-voltage power pipe connecting device for power transmission | |
| CN219998974U (en) | Swift cable connecting pipe | |
| CN214626187U (en) | Novel cable bridge expansion joint | |
| CN211700607U (en) | Cable with detachable protective sleeve | |
| CN215674059U (en) | Pipe connected by adopting throttling socket joint type sealing rubber ring | |
| CN219067768U (en) | PE plum blossom pipe joint structure | |
| CN112600141B (en) | Surrounding type sealing device for building electrical pipeline | |
| CN210326854U (en) | Drawer type hard tube and hose connection joint | |
| CN212616791U (en) | Bidirectional quick connector for building pipeline |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |