CN110906075A - Adjustable fixing device for fire-fighting water pipe connector - Google Patents
Adjustable fixing device for fire-fighting water pipe connector Download PDFInfo
- Publication number
- CN110906075A CN110906075A CN201911253397.4A CN201911253397A CN110906075A CN 110906075 A CN110906075 A CN 110906075A CN 201911253397 A CN201911253397 A CN 201911253397A CN 110906075 A CN110906075 A CN 110906075A
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- movably connected
- outer frame
- fire
- movable
- ratchet hole
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- 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.)
- Pending
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract description 49
- 230000008878 coupling Effects 0.000 claims 6
- 238000010168 coupling process Methods 0.000 claims 6
- 238000005859 coupling reaction Methods 0.000 claims 6
- 238000000034 method Methods 0.000 description 7
- 210000000078 claw Anatomy 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000002699 waste material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000007774 longterm Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- F16L21/00—Joints with sleeve or socket
- F16L21/08—Joints with sleeve or socket with additional locking means
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- 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
- F16L25/00—Construction or details of pipe joints not provided for in, or of interest apart from, groups F16L13/00 - F16L23/00
- F16L25/14—Joints for pipes of different diameters or cross-section
-
- 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
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/04—Devices damping pulsations or vibrations in fluids
- F16L55/045—Devices damping pulsations or vibrations in fluids specially adapted to prevent or minimise the effects of water hammer
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention relates to the technical field of fire fighting facilities and discloses an adjustable fixing device for a fire-fighting water pipe connector, which comprises an outer frame, wherein the inner frame is movably connected inside the outer frame, a ratchet hole is movably connected inside the inner frame, a connecting column is movably connected outside the ratchet hole, a spring is movably connected inside the connecting column, gear teeth are fixedly connected inside the ratchet hole, a fixing pin is movably connected inside the outer frame, a clamping jaw is movably connected outside the outer frame, and a connecting pin is movably connected inside the clamping jaw. This fixing device of fire hose connector mouth with adjustable, the outside swing joint handle of dead lever, the below swing joint ratchet hole of dead lever, when meetting the improper fire hose of radius, the radius size in ratchet hole is adjusted to accessible adjustment handle's position to make the device can be applicable to different water pipe sizes, facilitate the use, portable, the practicality is good.
Description
Technical Field
The invention relates to the technical field of fire-fighting facilities, in particular to an adjustable fixing device for a fire-fighting water pipe connector.
Background
Along with the development of society, fire control has more and more important effect in our life, the fire fighter must use fire water pipe at the in-process of fighting a fire, but often the length of fire water pipe is limited, and the overlength water pipe is inconvenient when using and accomodating, so often need just to couple together several sections of water pipe when carrying out the fire fighting, be connected to the point of putting out a fire from the water source, but current interface and water pipe internal connection are not inseparable, when water flows through from the interface, because water pressure is great, can cause the leakage of water, waste the water source, when the time is of a specified duration, the interface still can arouse rust owing to the long-term moist environment, influence its live time, then can influence the efficiency of fighting a fire when carrying out the fire fighting, bring danger.
When meeting great type conflagration, local fire rescue strength is not enough, then need go to other places and transfer, but the diameter of the fire water pipe of different areas or different fire brigades is different with the little of the delivery port of fire hydrant, ordinary joint then can not be connected, the time of fire rescue can be wasted like this, seriously influence the efficiency of rescue, can bring and serious just tragic loss and casualties's problem, and often need install the both sides at fire water pipe to different radial water pipes, ordinary interface then can not be used, can only be applicable to the same water pipe of left and right sides radius, the in-process of rescuing for the fire fighter has brought a lot of restrictions like this, use extremely inconveniently.
In order to solve the problems, the fixing device for the adjustable fire-fighting water pipe connector is provided, the device connects the water pipes at two ends to the distance hole, the water pipes are fixed on two sides by using the clamping jaws, the fixing is very firm in the using process, the handle is movably connected with the fixing rod, the size of the ratchet wheel hole can be adjusted by the handle, so that the fixing device is suitable for the water pipes with different specifications, the applicability is good, the operation is convenient, a large amount of time is saved, and great convenience is brought to firefighters.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an adjustable fixing device for a fire-fighting water pipe interface, which has the advantages of good applicability, convenient operation, saving of a large amount of time and great convenience for firemen, and solves the problems that the existing interface is not tightly connected with the interior of a water pipe, when water flows through the interface, water leakage is caused due to large water pressure, water sources are wasted, when the time is long, the interface is rusted due to long-term overtime environment, the service time of the interface is influenced, the fire fighting efficiency is influenced when fire fighting is carried out, dangers are caused, the common connector is inconvenient to use when in connection, the fire fighting rescue time is wasted, the rescue efficiency is seriously influenced, different interfaces are required for water pipes with different radiuses, and the operation is very troublesome.
(II) technical scheme
In order to realize the purposes of good applicability, convenient operation, saving a large amount of time and bringing great convenience to firemen, the invention provides the following technical scheme: an adjustable fixing device for a fire hose connector comprises an outer frame, an inner frame, a ratchet wheel hole, a connecting column, a spring, a gear tooth, a fixing pin, a clamping jaw, a connecting pin, a fixing rod, a movable device, a handle, a movable pin, a connecting rod, a movable block and a movable rod.
The position and connection relationship among the structures are as follows:
an adjustable fixing device for a fire hose connector comprises an outer frame, an inner frame is movably connected in the outer frame, the inner part of the inner frame is movably connected with a ratchet hole, the outer part of the ratchet hole is movably connected with a connecting column, the inside of the connecting column is movably connected with a spring, the inside of the ratchet hole is fixedly connected with gear teeth, the inner part of the outer frame is movably connected with a fixed pin, the outer part of the outer frame is movably connected with a claw, the inside of the clamping jaw is movably connected with a connecting pin, the outside of the outer frame is movably connected with a fixed rod, the inner part of the fixed rod is movably connected with a movable device, the right side of the movable device is movably connected with a handle, the interior of the movable device is movably connected with a movable pin, the lower part of the movable pin is movably connected with a connecting rod, the lower part of the connecting rod is movably connected with a movable block, and the outer part of the movable block is movably connected with a movable rod.
Preferably, the fixing pins are uniformly distributed on the inner wall of the outer frame, and eight fixing pins are arranged inside the outer frame.
Preferably, the connecting rod is perpendicular to the movable block, the movable rods are perpendicular to the movable block, the two movable rods are symmetrically distributed, when the handle moves, the connecting rod and the movable block move along with the movement, and the fixed rod drives the ratchet wheel hole to move along with the ratchet wheel hole.
Preferably, the spring is located between the inner frame and the ratchet hole.
Preferably, the outer frame is cylindrical, and the ratchet hole is hollow.
Preferably, the length of the inner diameter of the outer frame is greater than the length of the outer diameter of the ratchet hole, and the outer frame and the ratchet hole are the same circle center.
Preferably, the top of jack catch is the point form, and the top of jack catch can correspond each other with the tooth frame of the teeth of a cogwheel, and the inside swing joint of jack catch has the connecting pin, and the connecting pin reduces in proper order.
Preferably, the pawl may engage the gear teeth by rotation.
(III) advantageous effects
Compared with the prior art, the invention provides an adjustable fixing device for a fire hose connector, which has the following beneficial effects:
1. this fixing device of fire hose connector with adjustable, the inside swing joint's of spliced pole spring can play the cushioning effect to the ratchet hole, when fixed to the fire hose, can protect it, and the impact force that produces when having rivers to pass through in the water pipe can cushion it, can prolong the device's life.
2. This fixing device of fire hose connector with adjustable, the both sides at the ratchet hole are connected respectively to the water pipe, the outside swing joint jack catch in ratchet hole, the jack catch can with the teeth of a cogwheel looks lock to fix the locking to the fire hose of installing in ratchet hole both sides, simple to operate, the in-process that can the device use like this has and fixes not jail and arouse the inside water seepage of pipeline, cause the waste, if then can influence the efficiency of fire fighting when carrying out fire fighting, bring danger.
3. This fixing device of fire hose connector with adjustable, the outside swing joint handle of dead lever, the below swing joint ratchet hole of dead lever, when the fire fighter is meetting the conflagration that needs the rescue, can carry the equipment to go to different places, it is used for the fire fighting equipment to increase, the radius size in ratchet hole is adjusted to position through adjustment handle, thereby make the device can be applicable to different water pipe sizes, connect delivery port and fire water pipe of unidimensional not, make things convenient for fire fighter's use, and convenient to carry, and the practicality is good.
(IV) description of the drawings
FIG. 1 is a schematic view of the main structure of the present invention;
FIG. 2 is a first schematic diagram of the movement of FIG. 1 according to the present invention;
FIG. 3 is a second motion diagram of FIG. 1 according to the present invention;
FIG. 4 is an enlarged schematic view of the invention at point A in FIG. 2;
FIG. 5 is a schematic diagram showing the positional relationship between the outer frame, the inner frame and the ratchet holes of the present invention;
FIG. 6 is a side view of the device of the present invention.
In the figure: 1. an outer frame; 2. an inner frame; 3. a ratchet hole; 4. connecting columns; 5. a spring; 6. gear teeth; 7. a fixing pin; 8. a claw; 9. a connecting pin; 10. fixing the rod; 11. a mobile device; 12. a handle; 13. a movable pin; 14. a connecting rod; 15. a movable block; 16. a movable rod.
(V) detailed description of the preferred embodiments
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.
Please refer to fig. 1-6:
an adjustable fixing device for a fire hose connector comprises an outer frame 1, an inner frame 2, a ratchet hole 3, a connecting column 4, a spring 5, gear teeth 6, a fixing pin 7, a clamping jaw 8, a connecting pin 9, a fixing rod 10, a movable device 11, a handle 12, a movable pin 13, a connecting rod 14, a movable block 15 and a movable rod 16.
Wherein, the adjustable fixing device for the fire hose connector comprises an outer frame 1, the inner part of the outer frame 1 is movably connected with an inner frame 2, the inner part of the inner frame 2 is movably connected with a ratchet hole 3, the outer part of the outer frame 1 is cylindrical, the inner part of the ratchet hole 3 is hollow, the inner diameter length of the outer frame 1 is larger than the outer diameter length of the ratchet hole 3, the outer frame 1 and the ratchet hole 3 are in the same circle center, the outer part of the ratchet hole 3 is movably connected with a connecting column 4, the inner part of the connecting column 4 is movably connected with a spring 5, when the fire hose is fixed, the fire hose can be protected, when water flows pass through the water hose, the impact force generated by the water hose can be buffered, the service life of the device can be prolonged, the spring 5 is positioned between the inner frame 2 and the ratchet hole 3, the inner part of the ratchet hole 3 is fixedly connected with a gear teeth 6, eight fixed pins 7 are arranged inside the outer frame 1, a jaw 8 is movably connected outside the outer frame 1, a connecting pin 9 is movably connected inside the jaw 8, the top end of the jaw 8 is pointed, the top end of the jaw 8 and a tooth frame of the gear teeth 6 can correspond to each other, so that fire fighting water pipes arranged on two sides of the ratchet wheel hole 3 are fixedly locked, the device is convenient to install, water leakage inside the pipeline is caused due to unfirm fixation in the using process, waste is caused, fire fighting efficiency is affected when fire fighting is carried out, danger is brought, the connecting pin 9 is movably connected inside the jaw 8, the connecting pin 9 is sequentially reduced, a fixed rod 10 is movably connected outside the outer frame 1, a movable device 11 is movably connected inside the fixed rod 10, a handle 12 is movably connected on the right side of the movable device 11, and a movable pin 13 is movably connected inside the movable device 11, the connecting rod 14 is movably connected below the movable pin 13, the movable block 15 is movably connected below the connecting rod 14, the movable rod 16 is movably connected outside the movable block 15, the connecting rod 14 is perpendicular to the movable block 15, the movable rod 16 is perpendicular to the movable block 15, the two movable rods 16 are symmetrically distributed, when the handle 12 moves, the connecting rod 14 and the movable block 15 move along with the movement, and the fixed rod 10 drives the ratchet wheel hole 3 to move along with the movement.
The working process and principle are that when a fireman needs to use the device, the device is erected on the bottom surface, the top end of the claw 8 is pointed, the top end of the claw 8 and a tooth frame of the gear tooth 6 can correspond to each other, the clamping device 8 can rotate along with the gear tooth 6 when the gear tooth 6 rotates, the fire hose is connected with the ratchet wheel holes 3 on two sides of the outer portion of the outer frame 1 in an installing mode, the claw 8 moves to the outer portion of the ratchet wheel holes 3 before installation, the lower ratchet wheel holes 3 are driven to rotate through the rotating water pipe after installation, the claw 8 on the outer portion of the ratchet wheel holes 3 is clamped in the gear tooth 6, the ratchet wheel holes 3 are completely buckled with the fire hose, water leakage cannot occur.
When the radius of the fire hose is bigger, the handle 12 is pressed downwards by taking the movable pin 13 as the center, the fixed rod 10 is movably connected below the handle 12, the movable device 11 is movably connected inside the fixed rod 10, the connecting rod 14, the movable block 15 and the movable rod 16 are arranged inside the movable device 11, the connecting rod 14 is driven to move upwards when the handle 12 is pressed downwards, the movable block 15 is movably connected below the connecting rod 14, the connecting rod 14 is perpendicular to the movable block 15, the movable rods 16 are perpendicular to the movable block 15, the two movable rods 16 are symmetrically distributed, the ratchet hole 3 and the movable device 11 are connected into a whole by the movable rod 16 below the movable block 15, at the moment, the movable block 15 of the connecting rod 14 moves upwards, the movable device 11 also moves upwards, the ratchet hole 3 is connected below the movable device 11, the ratchet hole 3 is driven to move outwards, at the moment, the inner radius of the ratchet hole 3 is enlarged, then the mountable fire hose, spring 5 outside ratchet hole 3 can carry out cushioning effect to it, and when fire hose radius is less, the principle is the same as above, upwards rotates handle 12 with activity round pin 13 as the center, can drive the motion of contracting in the ratchet hole 3 case at this moment, and at this moment the inside radius of ratchet hole 3 diminishes, then the mountable fire hose that the radius is less.
When a fire fighter needs to connect a water pipe from a fire hydrant of a different size, using the device, one side of the fire fighter is connected to the fire hydrant and the other side is connected to the water pipe, the handle 12 is adjusted to adjust the size of the inner diameter of the ratchet hole 3 so that the fire fighter can be matched with the size of the water pipe and the fire hydrant.
In summary, the following steps:
A. this fixing device of fire hose connector with adjustable, 4 inside swing joint's of spliced pole spring 5 can play the cushioning effect to ratchet hole 3, when fixed to waterproof pipe, can protect it, have the impact force of rivers production when passing through in the water pipe, can cushion it, can prolong the device's life.
B. This fixing device of fire hose connector with adjustable, the both sides at ratchet hole 3 are connected respectively to the water pipe, the outside swing joint jack catch 8 of ratchet hole 3, jack catch 8 can with the 6 looks locks of teeth of a cogwheel, thereby fix the locking to installing the fire hose in ratchet hole 3 both sides, high durability and convenient installation, the in-process that can the device use like this has and fixes not jail and arouse the inside water seepage of pipeline, cause the waste, if then can influence the efficiency of fire fighting when carrying out fire fighting, bring danger.
C. This fixing device of fire hose connector with adjustable, the outside swing joint handle 12 of dead lever 10, the below swing joint ratchet hole 3 of dead lever 10, when the fire fighter is meetting the conflagration that needs the rescue, can carry the equipment to go to different places, it is used for the fire fighting to increase the fire fighting equipment, the radius size in ratchet hole is adjusted to position through adjustment handle, thereby make the device can be applicable to different water pipe sizes, can also connect not unidimensional delivery port and fire hose, make things convenient for fire fighter's use, and is convenient for carry, can realize strange land usefulness, can improve the efficiency of fire rescue.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a fixing device of fire hose interface with adjustable, includes frame (1), its characterized in that: the inner part of the outer frame (1) is movably connected with an inner frame (2), the inner part of the inner frame (2) is movably connected with a ratchet hole (3), the outer part of the ratchet hole (3) is movably connected with a connecting column (4), the inner part of the connecting column (4) is movably connected with a spring (5), the inner part of the ratchet hole (3) is fixedly connected with a gear tooth (6), the inner part of the outer frame (1) is movably connected with a fixed pin (7), the outer part of the outer frame (1) is movably connected with a clamping jaw (8), the inner part of the clamping jaw (8) is movably connected with a connecting pin (9), the outer part of the outer frame (1) is movably connected with a fixed rod (10), the inner part of the fixed rod (10) is movably connected with a movable device (11), the right side of the movable device (11) is movably connected with a handle (12), the lower part of the movable pin (13) is movably connected with a connecting rod (14), the lower part of the connecting rod (14) is movably connected with a movable block (15), and the outer part of the movable block (15) is movably connected with a movable rod (16).
2. An adjustable fire hose coupling securing device as defined in claim 1, wherein: the fixing pins (7) are uniformly distributed on the inner wall of the outer frame (1), and eight fixing pins (7) are arranged in the outer frame (1).
3. An adjustable fire hose coupling securing device as defined in claim 1, wherein: the connecting rod (14) is perpendicular to the movable block (15), the movable rods (16) are perpendicular to the movable block (15), and the two movable rods (16) are symmetrically distributed.
4. An adjustable fire hose coupling securing device as defined in claim 1, wherein: the spring (5) is positioned between the inner frame (2) and the ratchet wheel hole (3).
5. An adjustable fire hose coupling securing device as defined in claim 1, wherein: the outer part of the outer frame (1) is cylindrical, and the inner part of the ratchet hole (3) is hollow.
6. An adjustable fire hose coupling securing device as defined in claim 1, wherein: the inner diameter length of the outer frame (1) is larger than the outer diameter length of the ratchet hole (3), and the outer frame (1) and the ratchet hole (3) are the same circle center.
7. An adjustable fire hose coupling securing device as defined in claim 1, wherein: the top of jack catch (8) is the point form, and the top of jack catch (8) corresponds each other with the tooth frame of teeth of a cogwheel (6), and jack catch (8) inside swing joint has connecting pin (9), and connecting pin (9) reduce in proper order.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911253397.4A CN110906075A (en) | 2019-12-09 | 2019-12-09 | Adjustable fixing device for fire-fighting water pipe connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911253397.4A CN110906075A (en) | 2019-12-09 | 2019-12-09 | Adjustable fixing device for fire-fighting water pipe connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110906075A true CN110906075A (en) | 2020-03-24 |
Family
ID=69823807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911253397.4A Pending CN110906075A (en) | 2019-12-09 | 2019-12-09 | Adjustable fixing device for fire-fighting water pipe connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110906075A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111494092A (en) * | 2020-05-12 | 2020-08-07 | 河南省中医院（河南中医药大学第二附属医院） | Can collect duct washing unit of waste liquid |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2410305A (en) * | 2001-09-04 | 2005-07-27 | Clinical Product Dev Ltd | A coupling for a medical fluid delivery system |
| GB2461071A (en) * | 2008-06-19 | 2009-12-23 | Crane Ltd | Compression pipe coupling tightened by tangential bolt |
| CN106931256A (en) * | 2017-05-11 | 2017-07-07 | 河海大学 | A kind of water pipe is connected device |
| US20170248258A1 (en) * | 2016-02-26 | 2017-08-31 | Janice Lin | Pipe coupler |
| CN109399187A (en) * | 2018-10-15 | 2019-03-01 | 山东陆宇塑胶工业有限公司 | Portable tubular product centre gripping distributor |
-
2019
- 2019-12-09 CN CN201911253397.4A patent/CN110906075A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2410305A (en) * | 2001-09-04 | 2005-07-27 | Clinical Product Dev Ltd | A coupling for a medical fluid delivery system |
| GB2461071A (en) * | 2008-06-19 | 2009-12-23 | Crane Ltd | Compression pipe coupling tightened by tangential bolt |
| US20170248258A1 (en) * | 2016-02-26 | 2017-08-31 | Janice Lin | Pipe coupler |
| CN106931256A (en) * | 2017-05-11 | 2017-07-07 | 河海大学 | A kind of water pipe is connected device |
| CN109399187A (en) * | 2018-10-15 | 2019-03-01 | 山东陆宇塑胶工业有限公司 | Portable tubular product centre gripping distributor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111494092A (en) * | 2020-05-12 | 2020-08-07 | 河南省中医院（河南中医药大学第二附属医院） | Can collect duct washing unit of waste liquid |
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Application publication date: 20200324 |