CN107906215A - A kind of large-scale water flow valve of water conservancy - Google Patents
A kind of large-scale water flow valve of water conservancy Download PDFInfo
- Publication number
- CN107906215A CN107906215A CN201711125318.2A CN201711125318A CN107906215A CN 107906215 A CN107906215 A CN 107906215A CN 201711125318 A CN201711125318 A CN 201711125318A CN 107906215 A CN107906215 A CN 107906215A
- Authority
- CN
- China
- Prior art keywords
- screw thread
- damaged
- valve plate
- connecting pipe
- pipe body
- 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.)
- Pending
Links
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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0254—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor being operated by particular means
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K41/00—Spindle sealings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Valves (AREA)
Abstract
The invention discloses a kind of water conservancy with large-scale water flow valve, including connecting pipe body, flowing hollow-core construction is provided centrally with inside the connecting pipe body, the both ends of the connecting pipe body are respectively arranged with into water connectivity port and draining connectivity port, the inside at connecting pipe body center is filled with stop-leak compound, the bottom of connecting pipe body is being provided with valve plate groove immediately below stop-leak compound, the lateral for being internally provided with connection valve plate groove both ends of the surface of connecting pipe body, a top valve deck is bolted at the top of connecting pipe body, center inside top valve deck and connecting pipe body is respectively inserted with threaded rod and rotation axis.The present invention utilizes the effect between helicitic texture, realize the lifting of valve plate, and the device can realize the effect of uniform pressure between valve plate both ends of the surface, so as to offset the pressure from current, in addition, there is the device anti-screw thread to be damaged mechanism, enable to helicitic texture not to be subject to larger pressure, so as to prevent the generation of its metaboly.
Description
Technical field
The present invention relates to hydrotechnics field, is specially a kind of large-scale water flow valve of water conservancy.
Background technology
At present, in water conservancy place, particularly large-scale pipeline, its end needs to install water flow valve, and in general water flow valve
The valve block in portion is lifted using helicitic texture, in real work, after closing, due to the crunch of current, can be caused
Valve block one end is squeezed in valve inner, powerful impact force is formed, under the action of dynamics so that the rotation body of rod is in one and hangs down
Surging being flung, so under prolonged work, it may occur that deformation, under operation, pressure is excessive caused by frictional force, so
Helicitic texture is at work, it may occur that deformation, causes its service life low.
The content of the invention
It is an object of the invention to provide a kind of water conservancy with large-scale water flow valve, to solve proposed in the above background technology ask
Topic.
To achieve the above object, the present invention provides following technical solution：A kind of water conservancy large-scale water flow valve, including connecting tube
Road body, is provided centrally with flowing hollow-core construction inside the connecting pipe body, the both ends of the connecting pipe body are set respectively
Have into water connectivity port and draining connectivity port, the inside at the connecting pipe body center and be filled with stop-leak compound, the connecting tube
The bottom of road body is internally provided with communicating valve being provided with valve plate groove, the connecting pipe body immediately below stop-leak compound
The lateral of plate groove both ends of the surface, is bolted a top valve deck, the crown valve at the top of the connecting pipe body
Center inside lid and connecting pipe body is fixed inserted with threaded rod and rotation axis and the threaded rod and rotary shaft end respectively
Connection, the body of rod of the threaded rod are connected to the inside of the top valve deck, the bottom peace of the rotation axis by helicitic texture
Fill a valve plate mechanism, the body of rod at the top of the threaded rod is socketed in an anti-screw thread and is damaged mechanism, and the anti-screw thread is damaged mechanism
Outer surface is socketed in the inside of an axle sleeve housing, and a handwheel is fixed in the side of the axle sleeve housing.
Preferably, the valve plate mechanism includes valve plate mechanism with valve plate, valve plate mechanism with through hole, valve plate mechanism bearing
Groove and valve plate mechanism bearing.
Preferably, valve plate mechanism valve plate is internally provided with the valve plate mechanism through hole for connecting its both ends of the surface,
Valve plate mechanism is provided centrally with bearing groove and valve plate mechanism bearing groove at the top of valve plate mechanism valve plate
Inside install a valve plate mechanism bearing.
Preferably, the valve plate mechanism is socketed in the inner ring in bearing on the axis body of rotation axis bottom.
Preferably, the anti-screw thread be damaged mechanism including anti-screw thread be damaged mechanism outer annular shell, anti-screw thread by
Damage mechanism and with inner ring, anti-screw thread be damaged mechanism and be damaged mechanism with centre bore, anti-screw thread and be damaged with semi-circular recesses structure, anti-screw thread
Mechanism with hollow structure, anti-screw thread is damaged mechanism and is damaged mechanism with movable plate, anti-screw thread is damaged machine with helical spring and anti-screw thread
Structure push rod.
Preferably, the anti-screw thread is damaged mechanism is damaged mechanism use with the center one anti-screw thread of socket of outer annular shell
Inner ring, the anti-screw thread that is provided centrally with that the anti-screw thread is damaged mechanism inner ring are damaged mechanism centre bore, the anti-screw thread by
The anti-screw thread that multiple circular arrays are set that is internally provided with of damage mechanism outer annular shell is damaged mechanism hollow structure,
The anti-screw thread is damaged mechanism and is damaged mechanism semicircle with the anti-screw thread that multiple circular arrays settings are provided with the outside of inner ring
Connected in star structure, each anti-screw thread, which is damaged mechanism and is respectively mounted an anti-screw thread with the inside of hollow structure, is damaged mechanism movement
Plate, the anti-screw thread are damaged mechanism and are damaged mechanism push rod in the end face one anti-screw thread of installation towards inner side with movable plate, and
The anti-screw thread is damaged mechanism and is damaged mechanism through the anti-screw thread with push rod is inserted into anti-spiral shell with outer annular shell and end
Line is damaged the inside of mechanism semi-circular recesses structure, and the anti-screw thread is damaged mechanism, and with the other end of movable plate to fix one anti-
Screw thread is damaged mechanism helical spring.
Preferably, the anti-screw thread is damaged the body of rod surface that mechanism is socketed in threaded rod with centre bore.
Preferably, the anti-screw thread is damaged mechanism is damaged mechanism with the initial length of helical spring more than the anti-screw thread
With the length of hollow structure.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention utilizes the effect between helicitic texture, realizes valve
The lifting of plate, and the device can realize the effect of uniform pressure between valve plate both ends of the surface, so as to offset the pressure from current
Power, in addition, there is the device anti-screw thread to be damaged mechanism, enables to helicitic texture not to be subject to larger pressure, so as to prevent
The generation of its metaboly.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of the large-scale water flow valve of water conservancy of the present invention；
Fig. 2 is a kind of structure diagram of water conservancy valve plate mechanism in large-scale water flow valve of the present invention；
Fig. 3 is the structure diagram that a kind of water conservancy of the present invention is damaged mechanism with anti-screw thread in large-scale water flow valve；
In figure：1, connecting pipe body, 2, flowing hollow-core construction, 3, water inlet connectivity port, 4, draining connectivity port, 5, sealing
Fat, 6, valve plate groove, 7, lateral, 8, valve plate mechanism, 81, valve plate mechanism valve plate, 82, valve plate mechanism through hole, 83, valve
Trigger structure bearing groove, 84, valve plate mechanism bearing, 9, rotation axis, 10, threaded rod, 11, top valve deck, 12, anti-screw thread by
Damage mechanism, 121, anti-screw thread is damaged mechanism outer annular shell, 122, and anti-screw thread is damaged mechanism inner ring, 123, anti-screw thread by
Mechanism centre bore, 124 are damaged, anti-screw thread is damaged mechanism semi-circular recesses structure, 125, and anti-screw thread is damaged mechanism with hollow knot
Structure, 126, anti-screw thread are damaged mechanism movable plate, 127, and anti-screw thread is damaged mechanism helical spring, 128, and anti-screw thread is damaged mechanism
With push rod, 13, axle sleeve housing, 14, handwheel.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment, belongs to the scope of protection of the invention.
A kind of referring to Fig. 1, embodiment provided by the invention：Including connecting pipe body 1, inside the connecting pipe body 1
Be provided centrally with flowing hollow-core construction 2, the both ends of the connecting pipe body 1 are respectively arranged with into water connectivity port 3 and draining
Connectivity port 4, the inside at 1 center of connecting pipe body are filled with stop-leak compound 5, the bottom of the connecting pipe body 1 positioned at
The underface of stop-leak compound 5 is provided with valve plate groove 6, and the connecting pipe body 1 is internally provided with 6 both ends of the surface of connection valve plate groove
Lateral 7, the top of the connecting pipe body 1 is bolted a top valve deck 11, the top valve deck 11 and even
Center inside adapter road body 1 is consolidated inserted with threaded rod 10 and rotation axis 9 and the threaded rod 10 and 9 end of rotation axis respectively
Fixed connection, the body of rod of the threaded rod 10 are connected to the inside of the top valve deck 11 by helicitic texture, the rotation axis 9
A valve plate mechanism 8 is installed in bottom, and the body of rod at the top of threaded rod 10 is socketed in an anti-screw thread and is damaged mechanism 12, the anti-screw thread
The outer surface of impaired mechanism 12 is socketed in the inside of an axle sleeve housing 13, and a handwheel 14 is fixed in the side of the axle sleeve housing 13.
Referring to Fig. 2, the valve plate mechanism 8 includes valve plate mechanism valve plate 81, valve plate mechanism through hole 82, valve plate mechanism
With bearing groove 83 and valve plate mechanism bearing 84；Being internally provided with for valve plate mechanism valve plate 81 connects its both ends of the surface
Valve plate mechanism through hole 82, the top of valve plate mechanism valve plate 81 be provided centrally with valve plate mechanism bearing groove 83 and
A valve plate mechanism bearing 84 is installed with the inside of bearing groove 83 by the valve plate mechanism；The valve plate mechanism is with bearing 84
Inner ring is socketed on the axis body of 9 bottom of rotation axis, its main function is：Play the role of spacing and block current, due to valve plate
The fixation of mechanism bearing 84, the situation for enabling to it not rotate, but can move, when moving to and flow
When dynamic hollow-core construction 3 and valve plate mechanism are overlapped with through hole 82 so that water communication, realizes discharge function.
It is damaged mechanism outer annular shell 121 referring to Fig. 3, the anti-screw thread is damaged mechanism 12 including anti-screw thread, prevents
Screw thread is damaged mechanism and is damaged mechanism with inner ring 122, anti-screw thread is damaged mechanism semi-circular recesses knot with centre bore 123, anti-screw thread
Structure 124, anti-screw thread be damaged mechanism with hollow structure 125, anti-screw thread be damaged mechanism with movable plate 126, anti-screw thread be damaged mechanism use
Helical spring 127 and anti-screw thread are damaged mechanism push rod 128；The anti-screw thread is damaged in mechanism outer annular shell 121
The heart is socketed an anti-screw thread and is damaged mechanism inner ring 122, and what the anti-screw thread was damaged mechanism inner ring 122 is provided centrally with anti-screw thread
Impaired mechanism centre bore 123, the anti-screw thread be damaged mechanism outer annular shell 121 be internally provided with it is multiple in a ring
The anti-screw thread that array is set is damaged mechanism hollow structure 125, and the anti-screw thread is damaged mechanism and is provided with the outside of inner ring 122
The anti-screw thread that multiple circular arrays are set is damaged mechanism semi-circular recesses structure 124, and each anti-screw thread is damaged mechanism
An anti-screw thread is respectively mounted with the inside of hollow structure 125 and is damaged mechanism movable plate 126, and the anti-screw thread is damaged mechanism movement
Plate 126 installs an anti-screw thread in the end face towards inner side and is damaged mechanism push rod 128, and the anti-screw thread is damaged mechanism with pushing away
Bar 128, which through the anti-screw thread is damaged mechanism and is inserted into anti-screw thread with outer annular shell 121 and end, is damaged mechanism semicircle
The inside of connected in star structure 124, the anti-screw thread, which is damaged mechanism, to be fixed an anti-screw thread with the other end of movable plate 126 and is damaged machine
Structure helical spring 127；The anti-screw thread is damaged the body of rod surface that mechanism centre bore 123 is socketed in threaded rod 10；It is described anti-
Screw thread is damaged the length that mechanism is damaged mechanism hollow structure 125 with the initial length of helical spring 127 more than the anti-screw thread,
Its main function is：The elastic force of mechanism helical spring 127 is damaged using anti-screw thread so that the device plays the role of linkage, and one
Surely pay attention to anti-screw thread be damaged mechanism helical spring 127 elastic force it is identical with the impaired dynamics of helicitic texture, caused by rotation
Dynamics when being more than the elastic force, anti-screw thread, which is damaged mechanism and can release anti-screw thread in time with push rod 128, is damaged mechanism semicircle
Groove structure 124, so as to fulfill effect is rotated against.
Specifically used mode：The present invention work in, will water inlet connectivity port 3 and draining connectivity port 4 respectively with two pipelines
End docked, at work, by rotation hand wheel 14, enable to valve plate mechanism 8 to change relative movement, when in pass
When closing current, the current from water inlet port can form valve plate mechanism 8 punching press effect, so current can enter lateral
Inside 7, so as to form recoil pressure effect to the back side of valve plate mechanism 8, so as to offset the impact force of current, helicitic texture is reduced
Stress dynamics.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference numeral in claim should not be considered as to the involved claim of limitation.
Claims (8)
1. a kind of large-scale water flow valve of water conservancy, including connecting pipe body (1), it is characterised in that：The connecting pipe body (1) is internal
Be provided centrally with flowing hollow-core construction (2), the both ends of the connecting pipe body (1) are respectively arranged with into water connectivity port (3)
With draining connectivity port (4), the inside at connecting pipe body (1) center is filled with stop-leak compound (5), the connecting pipe body
(1) bottom is being provided with valve plate groove (6), the inside setting of the connecting pipe body (1) immediately below stop-leak compound (5)
There is the lateral (7) of connection valve plate groove (6) both ends of the surface, a top is bolted at the top of the connecting pipe body (1)
The internal center of portion's valve deck (11), the top valve deck (11) and connecting pipe body (1) is respectively inserted with threaded rod (10) and rotation
Shaft (9) and the threaded rod (10) is fixedly connected with rotation axis (9) end, the body of rod of the threaded rod (10) passes through screw thread
Structure is connected to the inside of the top valve deck (11), and a valve plate mechanism (8), the spiral shell are installed in the bottom of the rotation axis (9)
The body of rod at the top of rasp bar (10) is socketed in an anti-screw thread and is damaged mechanism (12), and the anti-screw thread is damaged the appearance surface cover of mechanism (12)
The inside of an axle sleeve housing (13) is connected on, a handwheel (14) is fixed in the side of the axle sleeve housing (13).
A kind of 2. large-scale water flow valve of water conservancy according to claim 1, it is characterised in that：The valve plate mechanism (8) includes
Valve plate mechanism is with valve plate (81), valve plate mechanism with through hole (82), valve plate mechanism with bearing groove (83) and valve plate mechanism bearing
(84)。
A kind of 3. large-scale water flow valve of water conservancy according to claim 2, it is characterised in that：Valve plate mechanism valve plate
(81) the valve plate mechanism through hole (82) for being internally provided with its both ends of the surface of connection, the valve plate mechanism is with the top of valve plate (81)
The inside for being provided centrally with valve plate mechanism bearing groove (83) and valve plate mechanism bearing groove (83) is installed by one valve plate
Mechanism is with bearing (84).
A kind of 4. large-scale water flow valve of water conservancy according to claim 3, it is characterised in that：Valve plate mechanism bearing
(84) inner ring in is socketed on the axis body of rotation axis (9) bottom.
A kind of 5. large-scale water flow valve of water conservancy according to claim 1, it is characterised in that：The anti-screw thread is damaged mechanism
(12) including anti-screw thread be damaged mechanism with outer annular shell (121), anti-screw thread be damaged mechanism inner ring (122), anti-screw thread by
Damage mechanism is damaged mechanism with centre bore (123), anti-screw thread and is damaged mechanism with hollow with semi-circular recesses structure (124), anti-screw thread
Structure (125), anti-screw thread be damaged mechanism with movable plate (126), anti-screw thread be damaged mechanism helical spring (127) and anti-screw thread by
Mechanism is damaged with push rod (128).
A kind of 6. large-scale water flow valve of water conservancy according to claim 5, it is characterised in that：The anti-screw thread is damaged mechanism use
The center of outer annular shell (121) is socketed an anti-screw thread and is damaged mechanism inner ring (122), and the anti-screw thread is damaged in mechanism use
The anti-screw thread that is provided centrally with of ring (122) is damaged mechanism centre bore (123), and the anti-screw thread is damaged mechanism outer annular shell
The anti-screw thread that multiple circular arrays are set that is internally provided with of body (121) is damaged mechanism hollow structure (125), the anti-spiral shell
Line is damaged mechanism, and with the anti-screw thread that multiple circular arrays set is provided with the outside of inner ring (122), to be damaged mechanism semicircle recessed
Slot structure (124), each anti-screw thread, which is damaged mechanism and is respectively mounted an anti-screw thread with the inside of hollow structure (125), is damaged mechanism
With movable plate (126), the anti-screw thread be damaged mechanism movable plate (126) the end face towards inner side install an anti-screw thread by
Mechanism is damaged with push rod (128), and the anti-screw thread is damaged mechanism with push rod (128) to be damaged mechanism through the anti-screw thread exterior
Toroidal shell (121) and end are inserted into the inside that anti-screw thread is damaged mechanism semi-circular recesses structure (124), the anti-spiral shell
Line, which is damaged mechanism, to be fixed an anti-screw thread with the other end of movable plate (126) and is damaged mechanism helical spring (127).
A kind of 7. large-scale water flow valve of water conservancy according to claim 6, it is characterised in that：The anti-screw thread is damaged mechanism use
Centre bore (123) is socketed in the body of rod surface of threaded rod (10).
A kind of 8. large-scale water flow valve of water conservancy according to claim 6, it is characterised in that：The anti-screw thread is damaged mechanism use
The initial length of helical spring (127) is more than the length that the anti-screw thread is damaged mechanism hollow structure (125).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711125318.2A CN107906215A (en) | 2017-11-14 | 2017-11-14 | A kind of large-scale water flow valve of water conservancy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711125318.2A CN107906215A (en) | 2017-11-14 | 2017-11-14 | A kind of large-scale water flow valve of water conservancy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107906215A true CN107906215A (en) | 2018-04-13 |
Family
ID=61844183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711125318.2A Pending CN107906215A (en) | 2017-11-14 | 2017-11-14 | A kind of large-scale water flow valve of water conservancy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107906215A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2589768Y (en) * | 2002-11-05 | 2003-12-03 | 杨晖 | Low-power consumption motor valve |
| CN201753796U (en) * | 2010-07-21 | 2011-03-02 | 中国航空工业集团公司洛阳电光设备研究所 | Safety knob |
| CN202284655U (en) * | 2011-11-09 | 2012-06-27 | 冈野集团有限公司 | Flat gate valve |
| CN102637976A (en) * | 2012-04-01 | 2012-08-15 | 中航光电科技股份有限公司 | Looseness-proof threaded electric connector and electric connector component |
| CN202790189U (en) * | 2012-10-08 | 2013-03-13 | 西华大学 | Overload protection gear structure |
| CN106321871A (en) * | 2016-08-29 | 2017-01-11 | 山东胜伟园林科技有限公司 | Connecting flange valve for water collecting pipe and concealed draining pipe |
-
2017
- 2017-11-14 CN CN201711125318.2A patent/CN107906215A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2589768Y (en) * | 2002-11-05 | 2003-12-03 | 杨晖 | Low-power consumption motor valve |
| CN201753796U (en) * | 2010-07-21 | 2011-03-02 | 中国航空工业集团公司洛阳电光设备研究所 | Safety knob |
| CN202284655U (en) * | 2011-11-09 | 2012-06-27 | 冈野集团有限公司 | Flat gate valve |
| CN102637976A (en) * | 2012-04-01 | 2012-08-15 | 中航光电科技股份有限公司 | Looseness-proof threaded electric connector and electric connector component |
| CN202790189U (en) * | 2012-10-08 | 2013-03-13 | 西华大学 | Overload protection gear structure |
| CN106321871A (en) * | 2016-08-29 | 2017-01-11 | 山东胜伟园林科技有限公司 | Connecting flange valve for water collecting pipe and concealed draining pipe |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110371883A (en) | A kind of building tower crane rotary shaft brake apparatus | |
| CN109441692A (en) | A kind of rotating mechanism end double-control apparatus | |
| CN108661875A (en) | A kind of water pumper stage casing flow supercharging device | |
| CN202356214U (en) | Self-floating rotary water spraying device | |
| CN107269482A (en) | The device of fetching water of one kind of multiple type of drive | |
| CN104847945A (en) | Rotatable faucet | |
| CN107802365B (en) | Multi-purpose oral cavity washing unit with constant voltage controllability | |
| CN110917694A (en) | Solid-liquid separation is with a tractor serves several purposes formula separator | |
| CN107906215A (en) | A kind of large-scale water flow valve of water conservancy | |
| CN110206985A (en) | A kind of hybrid power type ballast support device | |
| CN202971624U (en) | Cardan joint | |
| CN205157394U (en) | Concrete penetrometer | |
| CN108945999A (en) | A kind of environmental protection Treatment of Sludge sludge conveyer | |
| CN107890317A (en) | A kind of metope cleans dust arrester | |
| CN208686533U (en) | A kind of water pumper middle section water flow supercharging device | |
| CN202554791U (en) | Fire monitor slewing mechanism with worm and worm gear transmission | |
| CN208020099U (en) | A kind of installation and provision for disengagement for valve quick-release end | |
| CN207364323U (en) | A kind of Valve for keeping constant water level easy to fixation | |
| CN201090480Y (en) | Vertical type dredge pump anti-contrarotation apparatus for preventing adjusting nut loosening | |
| CN201818830U (en) | Valve component | |
| CN206366966U (en) | A kind of positioning baffle of lined buckle machine | |
| CN108506188A (en) | A kind of medical large-scale depression generator | |
| CN101158276B (en) | Anti-jack slips anchoring propulsion mechanism | |
| CN107218228A (en) | A kind of water tower device of fetching water | |
| CN208440542U (en) | A kind of spiral medicine outlet being easily installed |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180413 |