CN207978621U - The electronics negative pressure pulsator of milking - Google Patents
The electronics negative pressure pulsator of milking Download PDFInfo
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- CN207978621U CN207978621U CN201721876376.4U CN201721876376U CN207978621U CN 207978621 U CN207978621 U CN 207978621U CN 201721876376 U CN201721876376 U CN 201721876376U CN 207978621 U CN207978621 U CN 207978621U
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- negative pressure
- hole
- solenoid valve
- diaphragm
- cavity
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Abstract
The utility model is related to a kind of livestock mechanical technological domains, particularly relate to a kind of electronics negative pressure pulsator for the milking for controlling two paths while providing negative pressure and atmospheric pressure；Including lid, solenoid valve two, electromagnetic valve core, electromagnetism valve seals, electric crossover board, solenoid valve pedestal, sealing rubber pad, floating core cavity body, diaphragm, vacuum outlet main body, floating core, sealing rubber ring, sealing diaphragm, negative pressure main channel, dustproof cover and gasket；It is designed by multiplet and provides the negative pressure in a negative tube to negative pressure for a plurality of gas circuit, and the design of the multiplet also has a plurality of gas circuit to be connected to external pressure, and by the energization and power-off of electromagnetic valve for adjusting, realize the switching between external communicating pipe one and the negative pressure and normal pressure of external communicating pipe two.
Description
Technical field
The utility model is related to a kind of livestock mechanical technological domains, particularly relate to a kind of electronics negative pressure pulsation of milking
Device.
Background technology
With the development of livestock-raising technology, dairy cow farm has gradually moved towards semi-automatic, full-automatic at present
Machinery production, and most important for the automation collection breast process of milk cow is exactly to need to carry out rational negative pressure and frequency on the one hand
It carries out the pressing of cow breast and inhales the control of breast, the control that on the other hand pipeline of collection breast is opened and closed, furthermore it also needs to
Pressure control telescopic cylinder control milk lining the operations such as falls off from the breast of milk cow, but for current herding automation, different
Device can not possibly be provided separately pressure and air inflow control, otherwise cost is huge, so for the control hinge of each gas circuit
Design extremely important.
Utility model content
For above-mentioned deficiency in the prior art, the utility model provide a kind of control two paths provide simultaneously negative pressure with
The electronics negative pressure pulsator of the milking of atmospheric pressure.
For the above technical purpose of realization, the technical solution of the utility model is:A kind of electronics negative pressure pulsator of milking,
Including lid, solenoid valve two, electromagnetic valve core, electric crossover board, solenoid valve pedestal, sealing rubber pad, floats at electromagnetism valve seals
Core cavity body, floating core, sealing rubber ring, seals diaphragm, negative pressure main channel and gasket at vacuum outlet main body, is set on the lid
There are external pressure hole, the lid, solenoid valve pedestal, sealing rubber pad, floating core cavity body, vacuum outlet main body and negative pressure main channel
It is sequentially connected；
The solenoid valve is electrically connected with electric crossover board, and solenoid valve conduction hole, the electromagnetism are equipped at the top of the solenoid valve
Spool is located in solenoid valve, and the solenoid valve is mounted on by electromagnetism valve seals on solenoid valve pedestal, the electric crossover board
It is also mounted on solenoid valve pedestal；
Solenoid valve installation site on the solenoid valve pedestal is equipped with cavity one and cavity two, and the cavity one is equipped with
Negative pressure hole one and deflector hole one, the cavity two are equipped with negative pressure hole two and deflector hole two；
Electromagnetic valve core difference face negative pressure hole one in described two solenoid valves and negative pressure hole two；
It is respectively equipped on the sealing rubber pad and is connected to negative pressure hole one, deflector hole one, negative pressure hole two and deflector hole two
Deflector hole three, negative pressure hole three, negative pressure hole four and deflector hole six；
The floating core cavity body is equipped with cavity three, cavity four, through-hole one, through-hole two, seal groove and center square hole one, described
Cavity three is equipped with through-hole one, and the cavity four is equipped with through-hole two, the through-hole one and through-hole two respectively with water conservancy diversion
Hole three is connected to deflector hole six, and the seal groove is located at the outside of center square hole one and is connected to negative pressure hole three and negative pressure hole four；
The vacuum outlet main body includes external communicating pipe one, external communicating pipe two, stomata one and stomata two, the stomata
One is connected to external communicating pipe one, and the stomata two is connected to external communicating pipe two, is equipped with stomata two at the stomata one
Diaphragm slot one and diaphragm slot two, the sealing diaphragm include sealing diaphragm one, sealing diaphragm two and centre bore two, the diaphragm seal
Piece one is located in diaphragm slot one, and the sealing diaphragm two is located in diaphragm slot two, and negative pressure is additionally provided in the vacuum outlet main body
Square hole, the negative pressure square hole are located at the center of vacuum outlet main body, and the diaphragm slot one is equipped with connectivity slot one, the film
Film trap two is equipped with connectivity slot two, and the connectivity slot one and connectivity slot two are connected to negative pressure square hole；
The floating core includes that floating core one and floating core two, the floating core one and two bottom of floating core are mounted on sealing rubber ring,
The floating core one passes through stomata one to be connect with sealing diaphragm one；The floating core two passes through stomata two to be connect with sealing diaphragm two；
The negative pressure main channel is mounted on by gasket in vacuum outlet main body, and the negative pressure main channel is equipped with negative pressure
Pipe, the negative tube are located at the center of negative pressure main channel；
The negative pressure main channel is equipped with negative pressure trough, and the negative pressure trough is connected to negative tube and in negative pressure main channel
Heart position.
Preferably, further include dustproof cover, the dustproof cover is mounted on lid, the dustproof cover be equipped with dustproof cover into
Tracheae.
Preferably, further including sponge buckle closure and dustproof sponge, the dustproof sponge is mounted on sponge buckle closure, the sea
Continuous buckle closure is located between dustproof cover and lid.
Above description can be seen that the utility model and have following advantages：The electronics negative pressure of the milking of the utility model
Pulsator is designed by multiplet and provides the negative pressure in a negative tube to negative pressure for a plurality of gas circuit, and the multiplet
Design also has a plurality of gas circuit to be connected to external pressure, and by the energization and power-off of electromagnetic valve for adjusting, realizes external communicating pipe
Switching between one and the negative pressure and normal pressure of external communicating pipe two is connected to meet the external connecting pipe one in milk recycling
With the technology requirement for being respectively turned on clawpiece external communicating pipe two.
Description of the drawings
Fig. 1 is the structural schematic diagram of the electronics negative pressure pulsator of the milking of the utility model.
Fig. 2 is the assembling schematic diagram of the electronics negative pressure pulsator of the milking of the utility model.
Fig. 3 is the assembling schematic diagram of the electronics negative pressure pulsator of the milking of the utility model.
Fig. 4 is the partial assembled schematic diagram of the electronics negative pressure pulsator of the milking of the utility model.
Fig. 5 is the structural schematic diagram of the solenoid valve pedestal of the electronics negative pressure pulsator of the milking of the utility model.
Fig. 6 is the partial assembled schematic diagram of the electronics negative pressure pulsator of the milking of the utility model.
Fig. 7 is the structural schematic diagram of the floating core cavity body of the electronics negative pressure pulsator of the milking of the utility model.
Fig. 8 is the structural schematic diagram of the vacuum outlet main body of the electronics negative pressure pulsator of the milking of the utility model.
Fig. 9 is the partial assembled schematic diagram of the electronics negative pressure pulsator of the milking of the utility model.
Figure 10 is the partial assembled schematic diagram of the electronics negative pressure pulsator of the milking of the utility model.
Figure 11 is the partial assembled schematic diagram of the electronics negative pressure pulsator of the milking of the utility model.Description of the drawings：1、
Lid, 00, external pressure hole, 2, solenoid valve, 21, solenoid valve conduction hole, 3, electromagnetic valve core, 4, electromagnetism valve seals, 5, circuit
Terminal plate, 6, solenoid valve pedestal, 61, cavity one, 611, negative pressure hole one, 612, deflector hole one, 62, cavity two, 621, negative pressure hole
Two, 622, deflector hole two, 7, sealing rubber pad, 71, deflector hole three, 72, negative pressure hole three, 73, negative pressure hole four, 74, deflector hole six,
8, float core cavity body, 81, cavity three, 82, cavity four, 83, through-hole one, 84, through-hole two, 85, seal groove, 86, center square hole one,
10, vacuum outlet main body, 101, external communicating pipe one, 102, external communicating pipe two, 103, stomata one, 104, stomata two, 105,
Diaphragm slot one, 1051, connectivity slot one, 1061, connectivity slot two, 106, diaphragm slot two, 107, negative pressure square hole, 11, floating core, 111, floating
Core one, 112, floating core two, 12, sealing rubber ring, 13, sealing diaphragm, 131, sealing diaphragm one, 132, sealing diaphragm two, 14, negative
Press main channel, 141, negative tube, 142, negative pressure trough, 15, dustproof cover, 151, dustproof cover air inlet pipe, 16, gasket, 17, sponge button
Lid, 18, dustproof sponge.
Specific implementation mode
As shown, a kind of electronics negative pressure pulsator of milking, including lid 1, solenoid valve 2 two, electromagnetic valve core 3,
Electromagnetism valve seals 4, solenoid valve pedestal 6, sealing rubber pad 7, floating core cavity body 8, vacuum outlet main body 10, float at electric crossover board 5
Core 11, sealing rubber ring 12, sealing diaphragm 13, negative pressure main channel 14, dustproof cover 15 and gasket 16, the lid 1 are equipped with
External pressure hole 00, the lid 1, solenoid valve pedestal 6, sealing rubber pad 7, floating core cavity body 8, vacuum outlet main body 10 and negative pressure
Main channel 14 is sequentially connected；
The solenoid valve 2 is electrically connected with electric-control board 4, and 2 top of the solenoid valve is equipped with solenoid valve conduction hole 21, the electricity
Magnet valve core 3 is located in solenoid valve 2, and the solenoid valve 2 is mounted on by electromagnetism valve seals 4 on solenoid valve pedestal 6, the circuit
Terminal plate 5 is also mounted on solenoid valve pedestal 6；
2 installation site of solenoid valve on the solenoid valve pedestal 6 is equipped with cavity 1 and cavity 2 62, the cavity one
61 are equipped with negative pressure hole 1 and deflector hole 1, and the cavity 2 62 is equipped with negative pressure hole 2 621 and deflector hole 2 622；
Electromagnetic valve core 3 in described two solenoid valves 2 distinguishes face negative pressure hole 1 and negative pressure hole 2 621；
It is respectively equipped on the sealing rubber pad 7 and negative pressure hole 1, deflector hole 1, negative pressure hole 2 621 and water conservancy diversion
Deflector hole 3 71, negative pressure hole 3 72, negative pressure hole 4 73 and the deflector hole 6 74 that hole 2 622 is connected to；
The floating core cavity body 8 be equipped with cavity 3 81, cavity 4 82, through-hole 1, through-hole 2 84, seal groove 85 and in
Heart square hole 1, the cavity 3 81 are equipped with through-hole 1, and the cavity 4 82 is equipped with through-hole 2 84, described logical
Hole 1 and through-hole 2 84 are connected to deflector hole 3 71 and deflector hole 6 74 respectively, and the seal groove 85 is located at center square hole 1
Outside and be connected to negative pressure hole 3 72 and negative pressure hole 4 73；
The vacuum outlet main body 10 includes external communicating pipe 1, external communicating pipe 2 102, stomata 1 and stomata
2 104, the stomata 1 is connected to external communicating pipe 1, and the stomata 2 104 is connected to external communicating pipe 2 102,
At the stomata 1 and stomata 2 104 is equipped with diaphragm slot 1 and diaphragm slot 2 106, and the sealing diaphragm 13 includes
Sealing diaphragm 1, sealing diaphragm 2 132 and centre bore 2 133, the sealing diaphragm 1 are located in diaphragm slot 1,
The sealing diaphragm 2 132 is located in diaphragm slot 2 106, and negative pressure square hole 107 is additionally provided in the vacuum outlet main body 10, described
Negative pressure square hole 107 is located at the center of vacuum outlet main body 10, and the diaphragm slot 1 is equipped with connectivity slot 1, institute
State diaphragm slot 2 106 and be equipped with connectivity slot 2 1061, the connectivity slot 1 and connectivity slot 2 1061 with negative pressure square hole
107 connections；
The floating core 11 includes that floating core 1 and floating core 2 112, the floating core 1 and 2 112 bottom of floating core are respectively mounted
There are sealing rubber ring 12, the floating core 1 that stomata 1 is passed through to be connect with sealing diaphragm 1；The floating core 2 112 is worn
Air passing hole 2 104 is connect with sealing diaphragm 2 132；
The negative pressure main channel 14 is mounted on by gasket 16 in vacuum outlet main body 10, on the negative pressure main channel 14
Equipped with negative tube 141, the negative tube 141 is located at the center of negative pressure main channel 14；
The negative pressure main channel 14 is equipped with negative pressure trough 142, and the negative pressure trough 142 is connected to negative tube 141 and positioned at negative
Press the center of main channel 14.
Further include dustproof cover 15, the dustproof cover 15 is mounted on lid 1, the dustproof cover 15 be equipped with dustproof cover into
Tracheae 151.
Further include sponge buckle closure 16 and dustproof sponge 17, the dustproof sponge 17 is mounted on sponge buckle closure 16, the sea
Continuous buckle closure 16 is located between dustproof cover 15 and lid 1.
In structure, negative pressure main channel 14 is closed with the lid of vacuum outlet main body 10, since negative pressure main channel 14 is equipped with negative pressure
Slot 142, the negative pressure trough 142 are connected to negative tube 141 and positioned at the centers of negative pressure main channel 14, when covering conjunction, negative pressure
It can be sealed by negative pressure trough, only enter from negative pressure square hole 107, to be connected to connectivity slot 1 and connectivity slot 2 1061, and
What the bottom of stomata 1 and the bottom of stomata 2 104 were then connected is external pressure, while the negative pressure of negative pressure main channel 14
The negative pressure that pipe is connected can be connected respectively from the negative pressure square hole 107 in vacuum outlet main body 10 by the center on sealing diaphragm 13
The flow direction of hole 133 floats the center square hole 1 on core cavity body 8, when floating core cavity body is connect by sealing rubber pad with solenoid valve pedestal
When, gas circuit and external pressure that center square hole 1 can be connected to by seal groove 85 with negative pressure hole 3 72 and negative pressure hole 4 73 completely cut off,
And due on sealing rubber pad 7 negative pressure hole 3 72 and negative pressure hole 4 73 connect respectively with negative pressure hole 1 and negative pressure hole 2 621
It is logical, so negative pressure hole 1 and negative pressure hole 2 621 are negative pressure state under normal circumstances.
Air-flow is also connected to from through-hole 1, deflector hole 3 71 with deflector hole 1, the air-flow also from through-hole 2 84, lead
Discharge orifice 6 74 is connected to deflector hole 2 622, since through-hole 1 and through-hole 2 84 do not connect negative pressure, so above-mentioned two gas channel
Belong to normal pressure channel；For the electronics negative pressure pulsator of entirely milking, a shared following several gas circuits：
Gas circuit one：One 1051-- stomatas of negative tube 141-- negative pressure trough 142-- negative pressure square hole 107-- connectivity slots, one 103--
External communicating pipe one 101---- negative pressure states.
Gas circuit two：One 101---- normal pressure states of communicating pipe outside one 103-- of external pressure -- stomata.
Gas circuit three：Two 102---- normal pressure states of communicating pipe outside two 104-- of external pressure -- stomata.
Gas circuit four：Two 1061-- stomatas of negative tube 141-- negative pressure trough 142-- negative pressure square hole 107-- connectivity slots, two 104--
External communicating pipe two 102---- negative pressure states.
Gas circuit five：Two centers 133-- square hole one of negative tube 141-- negative pressure trough 142-- negative pressure square hole 107-- centre bores
One 611---- negative pressure states of 86-- negative pressure holes.
Gas circuit six：Two centers 133-- square hole one of negative tube 141-- negative pressure trough 142-- negative pressure square hole 107-- centre bores
Four 73-- negative pressure holes of 86-- negative pressure holes, two 621---- negative pressure states.
Gas circuit seven：Three 71-- types of solenoid valve conduction hole one 612---- deflector holes of 21---- deflector holes, three 71---- deflector holes
In chamber 3 81 ----normal pressure state.
Gas circuit eight：Two 84-- cavities four of solenoid valve conduction hole two 622-- negative pressure holes of 21---- deflector holes, four 73-- through-holes
82-- normal pressure states.
In the specific implementation, the solenoid valve on now analysis analysis cavity 1 obtains electric gas circuit state and type with when power-off
Solenoid valve on chamber 2 62 obtains gas circuit state when electric and power-off.
When the solenoid valve on cavity 1 obtains electric, electromagnetic valve core 3 moves up, and solenoid valve conduction hole is blocked, and gas circuit seven is closed
It closes, the negative pressure of gas circuit five can sequentially enter in one 612 deflector hole of deflector hole, 3 71 deflector hole, 3 71 cavity 3 81, in cavity 3 81
Full of negative pressure so that the sealing diaphragm 1 in diaphragm slot one rises, on the floating core 1 being connect with sealing diaphragm 1
It rises, gas circuit two can be interrupted by sealing rubber ring, and gas circuit one is opened, and external communicating pipe 1 is negative pressure.
When the solenoid valve dead electricity on cavity 1, electromagnetic valve core 3 declines, and gas circuit seven is connected, and can restore in cavity 3 81
Normal pressure, due to floating core its own gravity, sealing rubber ring falls, and gas circuit one is closed, and external communicating pipe 1 is normal pressure.
When the solenoid valve on cavity 2 62 obtains electric, electromagnetic valve core 3 moves up, and solenoid valve conduction hole is blocked, and gas circuit eight is closed
It closes, the negative pressure of gas circuit six can sequentially enter in deflector hole 2 622, negative pressure hole 4 73, through-hole 2 84 and cavity 4 82 so that cavity
It is negative pressure in 4 82 so that the sealing diaphragm 2 132 in diaphragm slot two rises, the floating core 2 112 being connect with sealing diaphragm 2 132
Rise, gas circuit three can be interrupted by sealing rubber ring, and gas circuit four is opened, and external communicating pipe 2 102 is negative pressure.
When the solenoid valve dead electricity on cavity 2 62, electromagnetic valve core 3 moves down, and gas circuit eight is connected so that is in cavity 4 82
Normal pressure so that the sealing diaphragm 2 132 in diaphragm slot two declines, and the floating core 2 112 being connect with sealing diaphragm 2 132 declines, gas
Road three is opened, and gas circuit four is closed, and external communicating pipe 2 102 is normal pressure.
It can be seen that when the solenoid valve that the solenoid valve on cavity one obtains on electric and cavity two obtains electric, external communicating pipe one and outer
The atmospheric pressure state of portion's communicating pipe two is exactly like.
Air inlet in order to ensure the external pressure hole 00 of lid is dry and dustless, has additional sponge buckle closure 17 and dustproof sponge
18, the dustproof sponge 18 is mounted on sponge buckle closure 17, and the sponge buckle closure 17 is located between dustproof cover 15 and lid 1, can
To filter from the dust and aqueous vapor in the air that dustproof cover air inlet pipe enters.
The utility model and embodiments thereof are described above, description is not limiting, shown in attached drawing
Also it is one of the embodiment of the utility model, actual structure is not limited to this.All in all if this field it is general
Logical technical staff is enlightened by it, without deviating from the purpose of the present invention, is not inventively designed and is somebody's turn to do
The similar frame mode of technical solution and embodiment, all should belong to the protection range of the utility model.
Claims (3)
1. a kind of electronics negative pressure pulsator of milking, it is characterised in that：Including lid (1), solenoid valve (2) two, solenoid valve
Core (3), electromagnetism valve seals (4), electric crossover board (5), solenoid valve pedestal (6), sealing rubber pad (7), floating core cavity body (8),
Vacuum outlet main body (10), floating core (11), sealing rubber ring (12), sealing diaphragm (13), negative pressure main channel (14) and gasket
(16), the lid (1) be equipped with external pressure hole (00), the lid (1), solenoid valve pedestal (6), sealing rubber pad (7),
Floating core cavity body (8), vacuum outlet main body (10) and negative pressure main channel (14) are sequentially connected；
The solenoid valve (2) is electrically connected with electric crossover board (5), and solenoid valve conduction hole (21) are equipped at the top of the solenoid valve (2),
The electromagnetic valve core (3) is located in solenoid valve (2), and the solenoid valve (2) is mounted on electromagnetism valve base by electromagnetism valve seals (4)
On seat (6), the electric crossover board (5) is also mounted on solenoid valve pedestal (6)；
Solenoid valve (2) installation site on the solenoid valve pedestal (6) is equipped with cavity one (61) and cavity two (62), the type
Chamber one (61) is equipped with negative pressure hole one (611) and deflector hole one (612), and the cavity two (62) is equipped with negative pressure hole two (621)
With deflector hole two (622)；
Electromagnetic valve core (3) difference face negative pressure hole one (611) in described two solenoid valves (2) and negative pressure hole two (621)；
Be respectively equipped on the sealing rubber pad (7) with negative pressure hole one (611), deflector hole one (612), negative pressure hole two (621) and
Deflector hole three (71), negative pressure hole three (72), negative pressure hole four (73) and the deflector hole six (74) of deflector hole two (622) connection；
The floating core cavity body (8) is equipped with cavity three (81), cavity four (82), through-hole one (83), through-hole two (84), seal groove
(85) and center square hole one (86), the cavity three (81) are equipped with through-hole one (83), are set on the cavity four (82)
There are through-hole two (84), the through-hole one (83) and through-hole two (84) to be connected to respectively with deflector hole three (71) and deflector hole six (74),
The seal groove (85) is located at the outside of center square hole one (86) and is connected to negative pressure hole three (72) and negative pressure hole four (73)；
The vacuum outlet main body (10) include external communicating pipe one (101), external communicating pipe two (102), stomata one (103) and
Stomata two (104), the stomata one (103) are connected to external communicating pipe one (101), and the stomata two (104) is connected to outside
Pipe two (102) is connected to, and at the stomata one (103) and stomata two (104) is equipped with diaphragm slot one (105) and diaphragm slot two
(106), the sealing diaphragm (13) includes sealing diaphragm one (131), seals diaphragm two (132) and centre bore two (133), described
Sealing diaphragm one (131) is located in diaphragm slot one (105), and the sealing diaphragm two (132) is located in diaphragm slot two (106), institute
It states and is additionally provided with negative pressure square hole (107) in vacuum outlet main body (10), the negative pressure square hole (107) is located at vacuum outlet main body (10)
Center, the diaphragm slot one (105) be equipped with connectivity slot one (1051), the diaphragm slot two (106) be equipped with connection
Slot two (1061), the connectivity slot one (1051) and connectivity slot two (1061) are connected to negative pressure square hole (107)；
The floating core (11) includes floating core one (111) and floating core two (112), the floating core one (111) and floating core two (112) bottom
It is mounted on sealing rubber ring (12), the floating core one (111) passes through stomata one (103) to be connect with sealing diaphragm one (131)；Institute
Floating core two (112) is stated to connect with sealing diaphragm two (132) across stomata two (104)；
The negative pressure main channel (14) is mounted on by gasket (16) in vacuum outlet main body (10), the negative pressure main channel
(14) it is equipped with negative tube (141), the negative tube (141) is located at the center of negative pressure main channel (14)；
The negative pressure main channel (14) is equipped with negative pressure trough (142), and the negative pressure trough (142) is connected to negative tube (141) and position
In negative pressure main channel (14) center.
2. the electronics negative pressure pulsator of milking according to claim 1, it is characterised in that：Further include dustproof cover (15),
The dustproof cover (15) is mounted on lid (1), and the dustproof cover (15) is equipped with dustproof cover air inlet pipe (151).
3. the electronics negative pressure pulsator of milking according to claim 1, it is characterised in that：Further include sponge buckle closure (17)
With dustproof sponge (18), the dustproof sponge (18) is mounted on sponge buckle closure (17), and the sponge buckle closure (17) is located at dust-proof
It covers between (15) and lid (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721876376.4U CN207978621U (en) | 2017-12-28 | 2017-12-28 | The electronics negative pressure pulsator of milking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721876376.4U CN207978621U (en) | 2017-12-28 | 2017-12-28 | The electronics negative pressure pulsator of milking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207978621U true CN207978621U (en) | 2018-10-19 |
Family
ID=63818167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721876376.4U Expired - Fee Related CN207978621U (en) | 2017-12-28 | 2017-12-28 | The electronics negative pressure pulsator of milking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207978621U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107980642A (en) * | 2017-12-28 | 2018-05-04 | 余姚市宇海畜牧机械科技有限公司 | The electronics negative pressure pulsator of milking |
-
2017
- 2017-12-28 CN CN201721876376.4U patent/CN207978621U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107980642A (en) * | 2017-12-28 | 2018-05-04 | 余姚市宇海畜牧机械科技有限公司 | The electronics negative pressure pulsator of milking |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181019 Termination date: 20191228 |