CN209067573U - time sequence valve - Google Patents
time sequence valve Download PDFInfo
- Publication number
- CN209067573U CN209067573U CN201821877366.7U CN201821877366U CN209067573U CN 209067573 U CN209067573 U CN 209067573U CN 201821877366 U CN201821877366 U CN 201821877366U CN 209067573 U CN209067573 U CN 209067573U
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- valve
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- piston
- time sequencing
- oil
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- 230000000903 blocking effect Effects 0.000 claims abstract description 29
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 238000012163 sequencing technique Methods 0.000 claims description 39
- 239000010426 asphalt Substances 0.000 claims description 17
- 239000007788 liquid Substances 0.000 description 35
- 230000001419 dependent effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000002828 fuel tank Substances 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009711 regulatory function Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Check Valves (AREA)
Abstract
The utility model relates to a sequence valve technical field especially relates to a time sequence valve. The time sequence valve comprises a cylinder body, a valve body, a piston rod, a blocking body and a throttle valve; a first cavity is arranged in the cylinder body, and a second cavity opposite to and communicated with the first cavity is arranged on the valve body; the piston and the piston rod are both positioned in the first cavity, and the piston is in sealing sliding fit with the first cavity; the valve body is provided with an oil inlet and an oil outlet which are communicated through an oil passage, the blocking body is positioned in the second cavity and can block the oil passage when in a blocking position, and the piston rod is used for pushing the blocking body to leave the blocking position; the throttle valve is installed on the valve body, a groove is formed between the piston and the bottom of the cylinder body, the inlet end of the throttle valve is communicated with the oil inlet, and the outlet end of the throttle valve is communicated with the groove. The time sequence valve can bear larger oil pressure and has good sequence regulation stability.
Description
Technical field
The utility model relates to sequence valve technical field more particularly to a kind of time sequencing valves.
Background technique
Sequence valve is widely used in fluid power system, to be adjustable the opening sequence of executive component in system.
Existing sequence valve is typically all the elastic force by adjustment spring, to adjust the unlatching pressure for the steel ball for blocking oil circuit
Power, and then realize the regulatory function to the opening sequence of executive component.However, spring needs to bear the pressure of oil liquid in sequence valve
Power, and the maximum working load of spring is limited, so the maximum oil that sequence valve can be born is pressed with limit；In addition, pressure fluctuation, spring
It itself can be inevitably present foozle, linear relationship is unstable in spring use process, and spring is longer using the time, all
It will affect the sequencing stability of sequence valve.
To sum up, how to overcome the drawbacks described above of existing sequence valve is that those skilled in the art's technology urgently to be resolved is asked
Topic.
Utility model content
The purpose of this utility model is to provide a kind of time sequencing valves, to alleviate existing for sequence valve in the prior art
The maximum oil of receiving is pressed with the technical problem of limit and sequencing stability difference.
Time sequencing valve provided by the utility model, including cylinder body, valve body, piston, piston rod, blockage body and throttle valve.
Wherein, the valve body is fixedly connected with the cylinder body, and the first cavity is offered in the cylinder body, is opened on the valve body
Equipped with the second cavity that is opposite with first cavity and communicating；The piston and the piston rod are respectively positioned on first cavity
It is interior, and the piston is slidably matched with first cavity sealing；Offer oil inlet and oil outlet on the valve body, it is described into
Hydraulic fluid port is connected to the oil outlet by asphalt channel, and the blockage body is located in second cavity, and the blockage body exists
The asphalt channel can be blocked when blocking position, the piston rod is for pushing the blockage body to leave blocking position.
The throttle valve is mounted on the valve body, and fluted, institute is arranged between the piston and the bottom of the cylinder body
The arrival end for stating throttle valve is connected to the oil inlet, and outlet end is connected to the groove.
Preferably, as an embodiment, it is additionally provided with valve pocket and push rod in the second cavity of the valve body, it is described
The first pilot hole is offered on valve pocket, the push rod, which is located in first pilot hole and seals with first pilot hole, to be slided
Cooperation, and the push rod is abutted with the blockage body；The piston rod is for pushing the push rod mobile.
Preferably, as an embodiment, it is fixedly installed and leads between first cavity and second cavity
It covers, offers the second pilot hole on the guide sleeve, the piston rod is slidably matched with second pilot hole.
Preferably, as an embodiment, it is provided with the first elastic structure in first cavity, described first
One end of elastic structure is connect with the piston, and the other end is connect with the guide sleeve.
Preferably, as an embodiment, it is provided with the second elastic structure in second cavity, described second
One end of elastic structure is connect with the bottom of second cavity, and the other end is abutted with the blockage body.
Preferably, as an embodiment, second pilot hole is stepped hole, the aperture of second pilot hole
Biggish one end is equipped with limited cap, and the ladder of second pilot hole is used to limit the limited cap；The limited cap
Top abutted with the push rod, the piston rod is for pushing the limited cap to move in second pilot hole.
Preferably, as an embodiment, first elastic structure is Rectangular Spring, and the Rectangular Spring
Telescopic direction it is identical as the moving direction of the piston.
Preferably, as an embodiment, several check valves are installed, and the check valve enters on the valve body
Mouth end is connected to the oil outlet.
Preferably, as an embodiment, interconnected deflector hole is offered on the cylinder body and the valve body,
One end of the deflector hole is connected to the outlet end of the throttle valve, and the other end is connected to the groove.
Preferably, as an embodiment, the groove is provided in the circular end face of the piston, and described recessed
Slot is in a ring.
Compared with the prior art, the advantages of the utility model are:
Time sequencing valve provided by the utility model between oil inlet and outlet on valve body is connected by asphalt channel
Logical, original state blockage body is located at blocking position, and blockage body can block the oil between oil inlet and outlet at this time
Paths；That is, the oil liquid entered in asphalt channel by oil inlet can be blocked, cock body hinders, and then cannot be logical along oil circuit
It is flowed out from oil outlet in road, that is to say, that corresponding executive component fuel feeding cannot be given, executive component is inoperative.
Oil liquid can flow to throttle valve after being entered by the oil inlet on valve body, and flow to piston and cylinder base via throttle valve
Between groove in, because sealing is slidably connected between piston and the first cavity, therefore the oil liquid flowed into groove will push piston and exist
Sliding in first cavity, piston sliding will drive piston rod push blockage body moved in the second cavity until blockage body leave it is stifled
Fill in position；After blockage body leaves blocking position, asphalt channel is opened, will be along asphalt channel by the oil liquid that oil inlet enters
It is flowed out by oil outlet, and supplies corresponding executive component, executive component starts running.
It should be noted that the oil liquid that the first cavity is in the part between piston and cylinder base needs to reach required
Volume could push piston to slide into the position that blockage body can be pushed to leave blocking position.Time provided by the utility model is suitable
Sequence valve can adjust flow of the unit time by throttle valve by adjusting the throttling section of throttle valve, to realize to list
The adjusting of the intracorporal oil liquid volume of the first chamber is flowed into the time of position, and then can be adjusted the intracorporal oil liquid volume of the first chamber and be reached mesh
Length of time needed for scale value realizes sequencing function.
It will be apparent that time sequencing valve provided by the utility model, oil liquid are flowed by throttle valve, by adjusting throttle valve
Throttling cross-sectional sizes realize sequencing, be not directly dependent upon with the pressure of oil liquid, therefore biggish oil liquid pressure can be born；This
Outside, moving speed, that is, blocking valve of piston leaves length of time required for blocking position, the throttling cross-sectional sizes with throttle valve
Related, without considering the problems of that spring itself exists, therefore sequencing has good stability.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic perspective view of time sequencing valve provided by the embodiment of the utility model；
Fig. 2 is the positive structure diagram of time sequencing valve provided by the embodiment of the utility model；
Fig. 3 is the A-A of time sequencing valve provided by the embodiment of the utility model in Fig. 2 to schematic cross-sectional view；
Fig. 4 is the B-B direction schematic cross-sectional view of time sequencing valve provided by the embodiment of the utility model in Fig. 2；
Fig. 5 is the enlarged structure schematic diagram of C portion in Fig. 4；
Fig. 6 is the enlarged structure schematic diagram of the part D in Fig. 4；
Fig. 7 is the schematic cross-sectional view of valve body in time sequencing valve provided by the embodiment of the utility model in Fig. 4；
Fig. 8 is the E-E of time sequencing valve provided by the embodiment of the utility model in Fig. 2 to schematic cross-sectional view.
Icon: 10- cylinder body；20- valve body；30- piston；40- piston rod；50- blockage body；60- throttle valve；70-
Push rod；80- guide sleeve；The first elastic structure of 90-；The second elastic structure of 100-；110- limited cap；120- check valve；
The first cavity of 101-；102- deflector hole；
The second cavity of 201-；202- oil inlet；203- oil outlet；204- asphalt channel；205- valve pocket；
301- groove.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
The utility model is further described in detail below through specific implementation examples and in conjunction with the accompanying drawings.
Referring to Fig. 1-Fig. 8, a kind of time sequencing valve, including cylinder body 10, valve body 20, piston 30, work are present embodiments provided
Stopper rod 40, blockage body 50 and throttle valve 60.
Wherein, the valve body 20 is fixedly connected with the cylinder body 10, and the first cavity 101, institute are offered in the cylinder body 10
It states and offers the second cavity 201 that is opposite with first cavity 101 and communicating on valve body 20；The piston 30 and the piston
Bar 40 is respectively positioned in first cavity 101, and the piston 30 is slidably matched with first cavity 101 sealing；The valve
Oil inlet 202 and oil outlet 203 are offered on body 20, the oil inlet 202 passes through asphalt channel 204 with the oil outlet 203
Connection, the blockage body 50 is located in second cavity 201, and described in the blockage body 50 can block in blocking position
Asphalt channel 204, the piston rod 40 is for pushing the blockage body 50 to leave blocking position.
The throttle valve 60 is mounted on the valve body 20, is provided between the piston 30 and the bottom of the cylinder body 10
Groove 301, the arrival end of the throttle valve 60 are connected to the oil inlet 202, and outlet end is connected to the groove 301.
Time sequencing valve provided in this embodiment is to pass through oil circuit between oil inlet 202 and oil outlet 203 on valve body 20
What channel 204 was connected to, original state blockage body 50 is located at blocking position, and blockage body 50 can be blocked in oil inlet 202 at this time
Asphalt channel 204 between oil outlet 203；It can quilt that is, entering the oil liquid in asphalt channel 204 by oil inlet 202
Blockage body 50 hinders, and then cannot flow out along asphalt channel 204 from oil outlet 203, that is to say, that cannot execute to corresponding
Element fuel feeding, executive component are inoperative.
Oil liquid can flow to throttle valve 60 after being entered by the oil inlet 202 on valve body 20, and flow to piston via throttle valve 60
It in groove 301 between 30 and 10 bottom of cylinder body, is slidably connected, therefore flows into recessed because being sealed between piston 30 and the first cavity 101
Oil liquid in slot 301 will push piston 30 and slide in the first cavity 101, and the sliding of piston 30 will drive piston rod 40 and push blocking
Body 50 is moved in the second cavity 201 until blockage body 50 leaves blocking position；After blockage body 50 leaves blocking position, oil circuit is logical
Road 204 is opened, and the oil liquid entered by oil inlet 202 will be flowed out along asphalt channel 204 by oil outlet 203, and supply phase
The executive component answered, executive component start running.
It should be noted that the oil liquid needs in the part that the first cavity 101 is between 10 bottom of piston 30 and cylinder body reach
To required volume, piston 30 could be pushed to slide into the position that blockage body 50 can be pushed to leave blocking position.The utility model
The time sequencing valve of offer can adjust the stream that the unit time passes through throttle valve 60 by adjusting the throttling section of throttle valve 60
Amount to realize the adjusting to the oil liquid volume flowed into the first cavity 101 in the unit time, and then can adjust the first cavity
Length of time needed for oil liquid volume in 101 reaches target value realizes sequencing function.
It will be apparent that time sequencing valve provided in this embodiment, oil liquid is flowed by throttle valve 60, by adjusting throttle valve
60 throttling cross-sectional sizes realize sequencing, are not directly dependent upon with the pressure of oil liquid, therefore can bear biggish oil liquid pressure；
In addition, moving speed, that is, blocking valve of piston 30 leaves length of time required for blocking position, the throttling with throttle valve 60 is cut
Face size is related, and without considering the problems of that spring itself exists, therefore sequencing has good stability.
The specific structure and technical effect of technical solution in relation to the present embodiment are as follows:
Referring to Fig. 5, valve pocket 205 and push rod 70 are set in the second cavity 201 of valve body 20, the is opened up on valve pocket 205
Push rod 70 is arranged in the first pilot hole and it is slidably matched with the sealing of the first pilot hole by one pilot hole, meanwhile, by push rod
70 abut with blockage body 50, and push rod 70 is pushed by piston rod 40, that is to say, that piston 30 is pushed by oil liquid
When, the piston rod 40 connecting with piston 30 will push the movement of push rod 70, and push rod 70 is enabled to push the blockage body abutted with it
50 is mobile, thus, enable blockage body 50 to leave blocking position.
It should be noted that using 70 transfer piston rod 40 of push rod to the thrust of blockage body 50, without pre- in valve body 20
The receiving hole of piston rod 40 is stayed, convenient for guaranteeing the leakproofness of valve body 20 itself, prevents oil liquid excessive.
Preferably, guide sleeve 80 can be fixedly installed between the first cavity 101 and the second cavity 201, opened up on guide sleeve 80
Second pilot hole, and piston rod 40 and the second pilot hole are slidably matched, to utilize the shifting of the second pilot hole limitation piston rod 40
Dynamic rail mark prevents piston rod 40 from deviateing desired guiding trajectory, guarantees that piston rod 40 can push push rod 70 mobile.
Referring to fig. 4 and Fig. 5, in specific structure, the first elastic structure 90 can be set in the first cavity 101, by first
One end of elastic structure 90 is connect with piston 30, and the other end is connect with guide sleeve 80, and guide sleeve 80 is fixed setting, therefore, when
When piston 30 moves under the promotion of oil liquid, the first elastic structure 90 can give 30 1 deboosts of piston, on the one hand, the
It, can be reversed to 30 1, piston during oil liquid volume of one elastic structure 90 in the first cavity 101 continues to increase
Power, without being sealed to the first cavity 101, so that the face that piston 30 is contacted with oil liquid can be contacted with oil liquid completely, i.e.,
Guarantee that oil liquid volume in the first cavity 101 and the moving distance of piston 30 are in a linear relationship, to guarantee the stability of sequencing；
On the other hand, after thrust of the oil liquid to piston 30 disappears, the first elastic structure 90 can push piston 30 to reset.
Referring to Fig. 5, the second elastic structure 100 is set in the second cavity 201, and by the second elastic structure 100
One end is connect with the bottom of the second cavity 201, and the other end is connect with blockage body 50, and when original state, blockage body 50 can be second
Stabilization rests on blocking position under the action of elastic structure 100, prevents oil liquid from flowing to oil outlet 203 by asphalt channel 204,
Guarantee the ponding of blockage body 50；In addition, the second elastic structure 100 can also be after the thrust that blockage body 50 loses push rod 70
Blockage body 50 is pushed to reset.
Preferably, stepped hole can be set by the second pilot hole on guide sleeve 80, so that being mounted on the second pilot hole hole
The limited cap 110 of the biggish one end of diameter can be limited by the ladder of the second pilot hole, by the top of limited cap 110 and push rod 70
It abuts, and makes piston rod 40 that limited cap 110 be pushed to move in the second pilot hole, so that piston rod 40 passes through limited cap
110 push push rod 70 mobile indirectly；Limited cap 110 can limit the extreme position mobile towards 30 direction of piston of push rod 70, that is, exist
When piston rod 40 is not contacted with limited cap 110, guarantee that blockage body 50 can be limited in blocking position, and anti-throw-out lever by push rod 70
70 are detached from the first pilot hole on valve pocket 205, thus, guarantee blockage body 50 to the blocking effect of asphalt channel 204 and guarantees valve
The leakproofness of body 20.
Particularly, the first elastic structure 90 can be set to Rectangular Spring, and the telescopic direction of Rectangular Spring is arranged
It is identical as the moving direction of piston 30；Wherein, Rectangular Spring can carry very high load when volume is fixed, so as to
It is enough to meet using needs, reduce damage probability.
Preferably, referring to Fig. 1, several check valves 120 can be installed on valve body 20, and by the arrival end of check valve 120 with
Oil outlet 203 is connected to, and when 20 oil return of valve body, the oil liquid flowed back to by the oil outlet 203 of valve body 20 can be flowed by check valve 120
Out, it is easy to implement the purpose of quick oil return.On this basis, the outlet end of check valve 120 can be connected to fuel tank, so that oily
Liquid can flow back into fuel tank.
Specifically, referring to Fig. 8, interconnected deflector hole 102 can be opened up on cylinder body 10 and valve body 20, and by deflector hole
102 one end is connected to the outlet end of throttle valve 60, and the other end is connected to groove 301, so that the oil flowed out by throttle valve 60
Liquid can flow to groove 301 through deflector hole 102.
Preferably, groove 301 can be provided in the circular end face of piston 30, and sets annular groove for groove 301
301, thus, regardless of itself rotation of how many angle, 301 total energy of groove and water conservancy diversion can occur in the first cavity 101 for piston 30
Hole 102 is connected to.
Particularly, blockage body 50 may be configured as steel ball.
In conclusion the utility model embodiment discloses a kind of time sequencing valve, which overcome traditional sequence valves
Many technological deficiencies.Time sequencing valve provided by the embodiment of the utility model, oil liquid are flowed by throttle valve 60, and adjusting is passed through
The throttling cross-sectional sizes of throttle valve 60 realize sequencing, are not directly dependent upon with the pressure of oil liquid, therefore can bear biggish oil
Hydraulic coupling；In addition, moving speed, that is, blocking valve of piston 30 leaves length of time required for blocking position, with throttle valve 60
The cross-sectional sizes that throttle are related, and without considering the problems of that spring itself exists, therefore sequencing has good stability.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of time sequencing valve, which is characterized in that including cylinder body, valve body, piston, piston rod, blockage body and throttle valve；
Wherein, the valve body is fixedly connected with the cylinder body, and the first cavity is offered in the cylinder body, is offered on the valve body
The second cavity that is opposite with first cavity and communicating；The piston and the piston rod are respectively positioned in first cavity,
And the piston is slidably matched with first cavity sealing；Oil inlet and oil outlet, the oil inlet are offered on the valve body
Mouth is connected to the oil outlet by asphalt channel, and the blockage body is located in second cavity, and the blockage body is stifled
The asphalt channel can be blocked when filling in position, the piston rod is for pushing the blockage body to leave blocking position；
The throttle valve is mounted on the valve body, and fluted, the section is arranged between the piston and the bottom of the cylinder body
The arrival end of stream valve is connected to the oil inlet, and outlet end is connected to the groove.
2. time sequencing valve according to claim 1, which is characterized in that be additionally provided with valve in the second cavity of the valve body
Set and push rod, offer the first pilot hole on the valve pocket, and it is interior and with described first that the push rod is located at first pilot hole
Pilot hole sealing is slidably matched, and the push rod is abutted with the blockage body；The piston rod is for pushing the push rod mobile.
3. time sequencing valve according to claim 2, which is characterized in that between first cavity and second cavity
It is fixedly installed guide sleeve, the second pilot hole is offered on the guide sleeve, the piston rod is slidably matched with second pilot hole.
4. time sequencing valve according to claim 3, which is characterized in that be provided with the first elasticity knot in first cavity
One end of component, first elastic structure is connect with the piston, and the other end is connect with the guide sleeve.
5. time sequencing valve according to claim 4, which is characterized in that be provided with the second elasticity knot in second cavity
Component, one end of second elastic structure are connect with the bottom of second cavity, and the other end is abutted with the blockage body.
6. time sequencing valve according to claim 5, which is characterized in that second pilot hole is stepped hole, described the
The biggish one end in the aperture of two pilot holes is equipped with limited cap, and the ladder of second pilot hole is used to limit the limited cap
Position；The top of the limited cap is abutted with the push rod, and the piston rod is for pushing the limited cap in second guiding
It is moved in hole.
7. time sequencing valve according to claim 4, which is characterized in that first elastic structure is Rectangular Spring,
And the telescopic direction of the Rectangular Spring is identical as the moving direction of the piston.
8. time sequencing valve according to claim 1-7, which is characterized in that be equipped on the valve body several
Check valve, and the arrival end of the check valve is connected to the oil outlet.
9. time sequencing valve according to claim 1-7, which is characterized in that on the cylinder body and the valve body
Offer interconnected deflector hole, one end of the deflector hole is connected to the outlet end of the throttle valve, the other end with it is described
Groove connection.
10. time sequencing valve according to claim 9, which is characterized in that the groove is provided with the circle of the piston
On end face, and the groove is in a ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821877366.7U CN209067573U (en) | 2018-11-14 | 2018-11-14 | time sequence valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821877366.7U CN209067573U (en) | 2018-11-14 | 2018-11-14 | time sequence valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209067573U true CN209067573U (en) | 2019-07-05 |
Family
ID=67099011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821877366.7U Withdrawn - After Issue CN209067573U (en) | 2018-11-14 | 2018-11-14 | time sequence valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209067573U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109236781A (en) * | 2018-11-14 | 2019-01-18 | 宁波丰州机械有限公司 | time sequence valve |
-
2018
- 2018-11-14 CN CN201821877366.7U patent/CN209067573U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109236781A (en) * | 2018-11-14 | 2019-01-18 | 宁波丰州机械有限公司 | time sequence valve |
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| GR01 | Patent grant | ||
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| CP03 | Change of name, title or address |
Address after: 315800 No. 3, building 1, building 2, building 1, No. 8, Jinshajiang Road, Xinqi, Beilun District, Ningbo City, Zhejiang Province Patentee after: Zhejiang Fengzhou Precision Manufacturing Co.,Ltd. Address before: 315000 Zhejiang city of Ningbo province Beilun xinqie 8 Jinsha River Road No. 1 Building 1, No. 2, building 2, No. 3 Patentee before: NINGBO FENGZHOU MACHINERY Co.,Ltd. |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190705 Effective date of abandoning: 20230721 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190705 Effective date of abandoning: 20230721 |