CN111022810B - Pipeline clamping device and using method - Google Patents
Pipeline clamping device and using method Download PDFInfo
- Publication number
- CN111022810B CN111022810B CN201911168922.2A CN201911168922A CN111022810B CN 111022810 B CN111022810 B CN 111022810B CN 201911168922 A CN201911168922 A CN 201911168922A CN 111022810 B CN111022810 B CN 111022810B
- Authority
- CN
- China
- Prior art keywords
- clamping ring
- ring
- air bag
- guide
- clamping
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L47/00—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
- F16L47/02—Welded joints; Adhesive joints
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L47/00—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
- F16L47/06—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics with sleeve or socket formed by or in the pipe end
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
- Pipe Accessories (AREA)
Abstract
The invention relates to the field of electromechanics and pipeline installation, in particular to a pipeline clamping device; the clamping device comprises a first clamping ring (9) and a second clamping ring (19), wherein fastening screws (1) are symmetrically arranged between the first clamping ring (9) and the second clamping ring (19), and the first clamping ring (9) and the second clamping ring (19) form a whole circle; the connecting plate (5) is connected with the first clamping ring (9) and the second clamping ring (19) through screws respectively. The water pipe constructed by the method can be recycled, and subsequent water pipe maintenance is greatly reduced, so that manpower and material resources are saved. Meanwhile, the method and the device have strong operability: the device is stably clamped at the joint of the pipeline, prevents the pipeline joint from loosening and leaking, is reasonable in design and convenient to operate, and meets the target requirement of pipeline clamping operation.
Description
Technical Field
The invention relates to the field of electromechanics and pipeline installation, in particular to a pipeline clamping device.
Background
The pipeline is applied to more industries, the pipeline is applied to the industry and also applied to the life, the material of the pipeline is more various, a flange plate is generally connected between large metal pipelines, and then the large metal pipelines are connected by bolts, generally the connection is relatively stable, but for thin plastic pipes, joints are generally used for connection when the thin plastic pipes are connected, a heating mode is used, for example, the connection between temporary water pipelines and domestic water pipelines in a construction site, if the connection is not firm, the phenomenon of water leakage can occur in long-time use, the water using condition in the construction site can be influenced, when some steel wire framework plastic water supply pipelines are used for water use or other purposes, the splicing is needed due to the fact that the length of the pipelines is not enough, hot melting connection is generally used, so that the joints are softened, and then carrying out butt joint, wherein no further fixed connection is carried out after the butt joint. And the job site often shakes violently or the condition that appears pulling the pipeline, consequently probably can cause the junction not hard up or pull open, makes water outwards flow out, causes the waste to the water resource, so need improve to the connection problem between the pipeline. The existing connection between plastic pipes or metal pipes is generally carried out in an integral hoop manner, but the sealing effect of the connection part can be influenced along with the abrasion of a sealing layer in the hoop.
Disclosure of Invention
The invention aims to overcome the defects and provide the clamping device which can prevent the pipe joint from loosening and has a clamping effect.
In order to achieve the above object, the present invention is realized by:
a pipeline clamping device comprises a first clamping ring and a second clamping ring, fastening screws are symmetrically arranged between the first clamping ring and the second clamping ring, connecting plates are symmetrically and fixedly arranged on the outer side surfaces of the first clamping ring and the second clamping ring, a sliding rod is sleeved on the connecting plates, a first spiral spring is sleeved on the upper side of the surface of the sliding rod, a baffle is welded at the outer end of the sliding rod, a push ring is welded at the inner end of the sliding rod, an anti-skid layer is fixedly arranged on the inner side surface of the push ring, a first guide pipe is welded on the upper surface of the first clamping ring, a first telescopic air bag is sleeved in the first guide pipe, a first ventilation box is fixedly arranged at the left end of the first telescopic air bag, a first air bag is fixedly adhered on the inner side surface of the first clamping ring, a first guide pipe is fixedly communicated between the first air bag and the first ventilation box, a first guide ring is fixedly arranged on the, a first guide rod is sleeved inside the second spiral spring, a first sliding block is fixedly installed at the left end of the first guide rod, a first nut is sleeved on the right side of the surface of the first guide rod, a second air bag is fixedly pasted on the inner side surface of the second snap ring, a second guide pipe is welded on the lower surface of the second snap ring, a second air box is inlaid on the right end surface of the second guide pipe, a second guide pipe is fixedly connected between the second air box and the second air bag, a second telescopic air bag is fixedly installed on the left side of the second air box, a second guide ring is welded on the right side of the lower surface of the first snap ring, a third spiral spring is fixedly connected between the second guide ring and the second guide pipe, a second guide rod is sleeved inside the third spiral spring, a second sliding block is fixedly installed at the right end of the second guide rod; the first clamping ring and the second clamping ring are formed by assembling two semi-annular structures, the shapes of the first air bag and the second air bag correspond to the shapes of the first clamping ring and the second clamping ring respectively and are made of rubber materials, and the first clamping ring and the second clamping ring form a whole circle; the push ring is of a semi-annular structure, the shape of the anti-skid layer corresponds to that of the push ring, the anti-skid layer is made of rubber materials, and the surface of the anti-skid layer is a frosted surface; the first ventilation box is of a hollow structure and is respectively communicated with the first catheter and the first telescopic air bag, the second ventilation box is of a hollow structure and is respectively communicated with the second catheter and the second telescopic air bag, the first catheter is communicated with the first air bag, and the second catheter is communicated with the second air bag; the right end face of the first guide pipe is provided with a groove for a first guide rod to slide, the left end face of the second guide pipe is provided with a groove for a second guide rod to slide, the first guide rod is in sliding fit with the first guide ring and is in threaded fit with the first nut, and the second guide rod is in sliding fit with the second guide ring and is in threaded fit with the second nut; a hole for the sliding rod to slide is formed in the connecting plate; the position of the first spiral spring is positioned between the connecting plate and the baffle plate and is sleeved on the sliding rod; the connecting plate is connected with the first clamping ring and the second clamping ring through screws respectively.
The use method of the pipeline clamping device comprises
step 2.1, firstly detaching the screws on the connecting plate, then detaching the fastening screws on the first clamping ring and the second clamping ring, respectively sleeving the first clamping ring and the second clamping ring on two sides of the joint of the pipeline,
step 2.2, fastening the first clamping ring and the second clamping ring by using a fastening screw,
step 2.3, the connecting plates are respectively arranged on the first clamping ring and the second clamping ring by using screws,
step 2.4, the push ring clamps the pipeline under the elastic force action of the first spiral spring;
and 2.5, screwing the first nut and the second nut respectively to enable the first guide rod and the second guide rod to slide along the first guide ring and the second guide ring respectively, enabling the first clamping ring and the second clamping ring to move towards the direction of the joint respectively, extruding the first telescopic air bag and the second telescopic air bag while moving, inflating the first air bag and the second air bag respectively through the first guide pipe and the second guide pipe to enable the first air bag and the second air bag to expand, and preventing the first clamping ring and the second clamping ring from sliding.
The use method of the pipeline clamping device comprises the following steps when the plastic water supply pipes with the steel wire frameworks are required to be connected:
and 2, sleeving the first clamping ring and the second clamping ring on two sides of the joint by using the method, adjusting the first screw cap and the second screw cap, stably clamping the first clamping ring and the second clamping ring at the joint of the pipeline, preventing the joint of the pipeline from being separated or leaking, and realizing stable clamping of the pipeline.
The device and the construction method thereof are adopted to carry out assembly operation on the pipelines, the construction cost is slightly higher than that of the conventional method, but the water pipes constructed by the method can be recycled, and subsequent water pipe maintenance is greatly reduced, so that manpower and material resources are saved. Meanwhile, the method and the device have strong operability: the device is stably clamped at the joint of the pipeline, prevents the pipeline joint from loosening and leaking, is reasonable in design and convenient to operate, and meets the target requirement of pipeline clamping operation.
Drawings
FIG. 1 is a schematic structural view of the clamping device.
FIG. 2 is a first partial schematic view of the clamping device.
FIG. 3 is a partial view of the clamping device
Detailed Description
The invention is further illustrated by the following specific examples.
As shown in fig. 1 to 3, a pipeline clamping device comprises a first snap ring 9 and a second snap ring 19, fastening screws 1 are symmetrically installed between the first snap ring 9 and the second snap ring 19, connecting plates 5 are symmetrically and fixedly installed on the outer side surfaces of the first snap ring 9 and the second snap ring 19, a sliding rod 4 is sleeved on the connecting plates 5, a first spiral spring 6 is sleeved on the upper side of the surface of the sliding rod 4, a baffle 7 is welded on the outer end of the sliding rod 4, a push ring 3 is welded on the inner end of the sliding rod 4, an anti-slip layer 2 is fixedly installed on the inner side surface of the push ring 3, a first guide pipe 13 is welded on the upper surface of the first snap ring 9, a first telescopic air bag 12 is sleeved inside the first guide pipe 13, a first ventilation box 11 is fixedly installed on the left end of the first telescopic air bag 12, a first air bag 8 is fixedly adhered on the inner side surface of the first snap ring 9, a first guide pipe 10 is fixedly communicated between the first air bag 8 and the, a second spiral spring 16 is fixedly connected between the first guide ring 17 and the first guide pipe 13, a first guide rod 15 is sleeved inside the second spiral spring 16, a first slide block 14 is fixedly installed at the left end of the first guide rod 15, a first screw cap 18 is sleeved at the right side of the surface of the first guide rod 15, a second air bag 20 is fixedly adhered at the inner side surface of a second snap ring 19, a second guide pipe 23 is welded at the lower surface of the second snap ring 19, a second vent box 22 is inlaid at the right end surface of the second guide pipe 23, a second guide pipe 21 is fixedly connected between the second vent box 22 and the second air bag 20, a second telescopic air bag 24 is fixedly installed at the left side of the second vent box 22, a second guide ring 28 is welded at the right side of the lower surface of the first snap ring 9, a third spiral spring 27 is fixedly connected between the second guide ring 28 and the second guide pipe 23, a second guide rod 26 is sleeved inside the third spiral spring 27, a second slide block 25 is, a second nut 29 is sleeved on the left side of the surface of the second guide rod 26; the first snap ring 9 and the second snap ring 19 are both formed by assembling two semi-annular structures, the first air bag 8 and the second air bag 20 are respectively corresponding to the first snap ring 9 and the second snap ring 19 in shape and are made of rubber materials, and the first snap ring 9 and the second snap ring 9 form a whole circle; the push ring 3 is of a semi-annular structure, the shape of the anti-skid layer 2 corresponds to that of the push ring 3, the anti-skid layer 2 is made of rubber materials, and the surface of the anti-skid layer is a frosted surface; the first ventilation box 11 is of a hollow structure and is respectively communicated with the first catheter 10 and the first telescopic air bag 12, the second ventilation box 22 is of a hollow structure and is respectively communicated with the second catheter 21 and the second telescopic air bag 24, the first catheter 10 is communicated with the first air bag 8, and the second catheter 21 is communicated with the second air bag 20; a groove for a first guide rod 15 to slide is formed in the right end face of the first guide pipe 13, a groove for a second guide rod 26 to slide is formed in the left end face of the second guide pipe 23, the first guide rod 15 is in sliding fit with the first guide ring 17 and in threaded fit with the first nut 18, and the second guide rod 26 is in sliding fit with the second guide ring 28 and in threaded fit with the second nut 29; a hole for the sliding rod 4 to slide is formed in the connecting plate 5; the position of the first spiral spring 6 is positioned between the connecting plate 5 and the baffle 7 and is sleeved on the sliding rod 4; the connecting plate 5 is connected with the first clamping ring 9 and the second clamping ring 19 through screws.
The use method of the pipeline clamping device comprises
step 2.1, firstly detaching the screws on the connecting plate 5, then detaching the fastening screws 1 on the first clamping ring 9 and the second clamping ring 19, respectively sleeving the first clamping ring 9 and the second clamping ring 19 on two sides of the joint of the pipeline,
step 2.2, the first clamping ring 9 and the second clamping ring 19 are fastened by using the fastening screw 1,
step 2.3, the connecting plate 5 is respectively arranged on the first clamping ring 9 and the second clamping ring 19 by using screws,
step 2.4, the push ring 3 clamps the pipeline through the elastic force of the first spiral spring 6;
and 2.5, screwing the first nut 18 and the second nut 30 respectively, so that the first guide rod 15 and the second guide rod 26 slide along the first guide ring 17 and the second guide ring 28 respectively, the first clamping ring 9 and the second clamping ring 19 move towards the direction of the joint respectively, the first telescopic air bag 12 and the second telescopic air bag 24 are extruded while moving, and the first air bag 80 and the second air bag 20 are inflated through the first conduit 10 and the second conduit 21 respectively, so that the first air bag 8 and the second air bag 20 are expanded, and the first clamping ring 9 and the second clamping ring 19 are prevented from sliding.
The use method of the pipeline clamping device comprises the following steps when the plastic water supply pipes with the steel wire frameworks are required to be connected:
and 2, sleeving the first clamping ring 9 and the second clamping ring 19 on two sides of the joint by using the method, adjusting the first screw cap 18 and the second screw cap 29, stably clamping the first clamping ring 9 and the second clamping ring 19 at the joint of the pipeline, preventing the joint of the pipeline from being separated or leaking, and realizing stable clamping of the pipeline.
The device and the construction method thereof are adopted to carry out assembly operation on the pipelines, the construction cost is slightly higher than that of the conventional method, but the water pipes constructed by the method can be recycled, and subsequent water pipe maintenance is greatly reduced, so that manpower and material resources are saved. Meanwhile, the method and the device have strong operability: the device is stably clamped at the joint of the pipeline, prevents the pipeline joint from loosening and leaking, is reasonable in design and convenient to operate, and meets the target requirement of pipeline clamping operation.
Claims (3)
1. The utility model provides a pipeline clamping device which characterized by: the air bag fixing device comprises a first snap ring (9) and a second snap ring (19), fastening screws (1) are symmetrically arranged between the first snap ring (9) and the second snap ring (19), connecting plates (5) are symmetrically and fixedly arranged on the outer side surfaces of the first snap ring (9) and the second snap ring (19), a sliding rod (4) is sleeved on the connecting plates (5), a first spiral spring (6) is sleeved on the upper side of the surface of the sliding rod (4), a baffle (7) is welded on the outer end of the sliding rod (4), a push ring (3) is welded on the inner end of the sliding rod (4), an anti-slip layer (2) is fixedly arranged on the inner side surface of the push ring (3), a first guide pipe (13) is welded on the upper surface of the first snap ring (9), a first telescopic air bag (12) is sleeved inside the first guide pipe (13), a first ventilation box (11) is fixedly arranged at the left end of the first telescopic air bag, a first guide pipe (10) is fixedly communicated between the first air bag (8) and the first ventilation box (11), a first guide ring (17) is fixedly installed on the left side of the upper surface of a second clamping ring (19), a second spiral spring (16) is fixedly connected between the first guide ring (17) and a first guide pipe (13), a first guide rod (15) is sleeved inside the second spiral spring (16), a first sliding block (14) is fixedly installed at the left end of the first guide rod (15), a first screw cap (18) is sleeved on the right side of the surface of the first guide rod (15), a second air bag (20) is fixedly adhered on the inner side surface of the second clamping ring (19), a second guide pipe (23) is welded on the lower surface of the second clamping ring (19), a second ventilation box (22) is inlaid on the right end surface of the second guide pipe (23), a second guide pipe (21) is fixedly connected between the second ventilation box (22) and the second air bag (20), a second telescopic air bag (24) is fixedly installed on the left side of the second ventilation box (, the right side of the lower surface of the first clamping ring (9) is welded with a second guide ring (28), a third spiral spring (27) is fixedly connected between the second guide ring (28) and the second guide pipe (23), a second guide rod (26) is sleeved in the third spiral spring (27), a second sliding block (25) is fixedly installed at the right end of the second guide rod (26), a second nut (29) is sleeved on the left side of the surface of the second guide rod (26), the first clamping ring (9) and the second clamping ring (19) are assembled by two semi-annular structures, the first air bag (8) and the second air bag (20) are respectively corresponding to the first clamping ring (9) and the second clamping ring (19) and are made of rubber materials, and the first clamping ring (9) and the second clamping ring (19) form a whole circle; the push ring (3) is of a semi-annular structure, the shape of the anti-skid layer (2) corresponds to that of the push ring (3), the anti-skid layer (2) is made of rubber materials, and the surface of the anti-skid layer is a frosted surface; the first ventilation box (11) is of a hollow structure and is respectively communicated with the first catheter (10) and the first telescopic air bag (12), the second ventilation box (22) is of a hollow structure and is respectively communicated with the second catheter (21) and the second telescopic air bag (24), the first catheter (10) is communicated with the first air bag (8), and the second catheter (21) is communicated with the second air bag (20); a groove for a first guide rod (15) to slide is formed in the right end face of the first guide pipe (13), a groove for a second guide rod (26) to slide is formed in the left end face of the second guide pipe (23), the first guide rod (15) is in sliding fit with the first guide ring (17) and is in threaded fit with the first nut (18), and the second guide rod (26) is in sliding fit with the second guide ring (28) and is in threaded fit with the second nut (29); a hole for the sliding rod (4) to slide is formed in the connecting plate (5); the position of the first spiral spring (6) is positioned between the connecting plate (5) and the baffle (7) and is sleeved on the sliding rod (4); the connecting plate (5) is connected with the first clamping ring (9) and the second clamping ring (19) through screws respectively.
2. The method of using the pipe clamp of claim 1, wherein: comprises that
Step 1, firstly, connecting the joints to the pipelines by using the existing hot melting method,
step 2, after the hot-melt bonding is carried out, utilizing the device of claim 1; prevention of leaks at pipe joints:
step 2.1, firstly, the screw on the connecting plate (5) is dismounted, then the fastening screw (1) on the first clamping ring (9) and the second clamping ring (19) is dismounted, the first clamping ring (9) and the second clamping ring (19) are respectively sleeved on two sides of the joint of the pipeline,
step 2.2, fastening the first clamping ring (9) and the second clamping ring (19) by using the fastening screw (1),
step 2.3, the connecting plate (5) is respectively arranged on the first clamping ring 9 and the second clamping ring 19 by using screws,
step 2.4, the push ring (3) clamps the pipeline under the elastic force action of the first spiral spring (6);
and 2.5, screwing the first nut (18) and the second nut (30) respectively, so that the first guide rod (15) and the second guide rod (26) slide along the first guide ring (17) and the second guide ring (28) respectively, the first clamping ring (9) and the second clamping ring (19) move towards the direction of the joint respectively, the first telescopic air bag (12) and the second telescopic air bag (24) can be extruded while moving, and the first air bag (8) and the second air bag (20) are inflated respectively through the first conduit (10) and the second conduit (21), so that the first air bag (8) and the second air bag (20) are expanded, and the first clamping ring (9) and the second clamping ring (19) are prevented from sliding.
3. The method of using a pipe clamp according to claim 2, wherein: when the plastic water supply pipes with the steel wire frameworks need to be connected, the method comprises the following steps:
step a, firstly, heating the joint of the water pipe by using hot water, sleeving two sections of pipelines together by using the principle of expansion with heat and contraction with cold,
step b, the first clamping ring (9) and the second clamping ring (19) are sleeved on two sides of the joint by using the method of claim 2, the first nut (18) and the second nut (29) are adjusted, the first clamping ring (9) and the second clamping ring (19) are stably clamped at the joint of the pipeline, the joint of the pipeline is prevented from being separated or leaking, and stable clamping of the pipeline is achieved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911168922.2A CN111022810B (en) | 2019-11-25 | 2019-11-25 | Pipeline clamping device and using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911168922.2A CN111022810B (en) | 2019-11-25 | 2019-11-25 | Pipeline clamping device and using method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111022810A CN111022810A (en) | 2020-04-17 |
| CN111022810B true CN111022810B (en) | 2021-03-26 |
Family
ID=70202038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911168922.2A Active CN111022810B (en) | 2019-11-25 | 2019-11-25 | Pipeline clamping device and using method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111022810B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112023310B (en) * | 2020-09-11 | 2021-11-09 | 张辉 | Intelligent fire extinguishing robot |
| CN113090850B (en) * | 2021-04-16 | 2022-07-12 | 福建省中能泰丰节能环保科技有限公司 | Hole sound-insulation dustproof plugging cover |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH565341A5 (en) * | 1974-05-08 | 1975-08-15 | Fassbind Karl | Flexible mounting for liquid carrying pipes - elastomer inserts located in shells provide an efficient damper action for reduction of transmitted noise |
| CN88101847A (en) * | 1987-04-03 | 1988-11-02 | 乔治费希尔股份公司 | Plastic tube fusing connection device and method |
| CN205599725U (en) * | 2016-05-04 | 2016-09-28 | 重庆港乾机械有限公司 | Gasbag formula bearing structure for double tube buckles |
| CN206468971U (en) * | 2016-12-30 | 2017-09-05 | 天津昌海新材料科技发展有限公司 | A kind of tubular construction with electric heating liner |
| CN208519317U (en) * | 2018-06-05 | 2019-02-19 | 郑州市祥龙泵业有限公司 | For stablizing the clamping plate of pump tube |
| CN109681470A (en) * | 2017-10-19 | 2019-04-26 | 天津市明奥泵业有限公司 | A kind of tube head bindiny mechanism |
| CN110360409A (en) * | 2019-06-28 | 2019-10-22 | 王为迪 | A kind of novel gas pipeline |
-
2019
- 2019-11-25 CN CN201911168922.2A patent/CN111022810B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH565341A5 (en) * | 1974-05-08 | 1975-08-15 | Fassbind Karl | Flexible mounting for liquid carrying pipes - elastomer inserts located in shells provide an efficient damper action for reduction of transmitted noise |
| CN88101847A (en) * | 1987-04-03 | 1988-11-02 | 乔治费希尔股份公司 | Plastic tube fusing connection device and method |
| CN205599725U (en) * | 2016-05-04 | 2016-09-28 | 重庆港乾机械有限公司 | Gasbag formula bearing structure for double tube buckles |
| CN206468971U (en) * | 2016-12-30 | 2017-09-05 | 天津昌海新材料科技发展有限公司 | A kind of tubular construction with electric heating liner |
| CN109681470A (en) * | 2017-10-19 | 2019-04-26 | 天津市明奥泵业有限公司 | A kind of tube head bindiny mechanism |
| CN208519317U (en) * | 2018-06-05 | 2019-02-19 | 郑州市祥龙泵业有限公司 | For stablizing the clamping plate of pump tube |
| CN110360409A (en) * | 2019-06-28 | 2019-10-22 | 王为迪 | A kind of novel gas pipeline |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111022810A (en) | 2020-04-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4927189A (en) | Internal expansion coupling device | |
| CN111022810B (en) | Pipeline clamping device and using method | |
| KR102000094B1 (en) | Expansion Joint Assembly | |
| JP2013506800A (en) | Pipe joining device | |
| CN214618384U (en) | Water supply equipment is with pipeline trace telescopic machanism | |
| CN104315277A (en) | Pipeline connector | |
| CN220452996U (en) | Leakage-proof device for petroleum exploitation pipeline | |
| CN209818958U (en) | Drainage system pipeline mosaic structure | |
| CN114542822B (en) | Heat preservation structure and method for air pipe flange part | |
| CN215410657U (en) | Air pipe joint with anti-falling function of elastic belt | |
| CN109268587B (en) | Connecting joint structure and connecting method of two fixed pipelines | |
| CN211059547U (en) | Quick coupling mechanism of pipeline based on municipal hydraulic engineering uses | |
| CN210687402U (en) | Three-way air conditioner pipeline joint | |
| CN202220931U (en) | Pipeline quick connecting assembly | |
| CN201277409Y (en) | Butt joint used for plastic pipe | |
| CN220488516U (en) | Polyethylene corrugated pipe | |
| CN201517668U (en) | Pipe connecting structure | |
| KR102167300B1 (en) | Joints for quick expansion and packing exchange | |
| CN217422583U (en) | Plastic pipeline convenient to connect sealing joint | |
| CN210201367U (en) | PVC wiring pipe convenient to installation | |
| CN219317931U (en) | Novel flexible coupling joint for composite pipe | |
| CN220102445U (en) | A connection structure for pipeline rush repair | |
| CN217519461U (en) | High-sealing HDPE double-wall corrugated pipe convenient to splice | |
| CN217272761U (en) | Heating and ventilation equipment pipeline connecting piece with energy storage mechanism | |
| CN215891569U (en) | Sealing device for concrete spigot-and-socket pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |