CN209294161U - Oil pressure electromagnetic valve component and hot runner system with it - Google Patents
Oil pressure electromagnetic valve component and hot runner system with it Download PDFInfo
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- CN209294161U CN209294161U CN201822150910.4U CN201822150910U CN209294161U CN 209294161 U CN209294161 U CN 209294161U CN 201822150910 U CN201822150910 U CN 201822150910U CN 209294161 U CN209294161 U CN 209294161U
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- electromagnetic valve
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Abstract
The utility model discloses a kind of oil pressure electromagnetic valve components, including oil valve plate and the reversal valve being arranged on oil valve plate, oil valve plate includes the asphalt channel formed in it and first disengaging portion, second disengaging portion, reversal valve through-hole and the oil circuit interface interconnected with asphalt channel；Oil valve plate includes the upper surface being oppositely arranged, lower surface and the side for connecting upper and lower surfaces, and reversal valve and the second disengaging portion are set at upper surface, and oil circuit interface and the first disengaging portion are set at side or lower surface；First disengaging portion includes the first oil inlet and the first oil return opening, and the second disengaging portion includes the second oil inlet and the second oil return opening.The first disengaging portion and the second disengaging portion are provided on oil valve plate in oil pressure electromagnetic valve component, according to the demand of client, selection facilitates the position of connection to be installed, and can solve the installation question at connection oil pressure pipe switching, to keep device more convenient to use.
Description
Technical field
The utility model relates to Hot runner Technology fields, and in particular to a kind of oil pressure electromagnetic valve component and the heat with it
Flow passage system.
Background technique
Oil pressure solenoid valve also can be referred to as hydraulic buttery valve, refer in hydraulic drive be used to control fluid pressure, flow and
The element in direction.
The oil pressure gauge of oil pressure solenoid valve is installed in the side of oil valve plate in practical applications, actual installation and makes in this way
The distance for stretching out oil valve plate with middle oil pressure gauge is remote, it is easy to be collided, to damage.
P/T always passes in and out the design of oil pressure mouth on oil valve plate one on the other, will lead to oil pressure in actual connection use
It is total to pass in and out the problem that installation is inconvenient at oil pressure pipe switching when pipe is transferred on the frame of water route.
Utility model content
The purpose of this utility model is that gram volt problem above of the existing technology, provides a kind of oil pressure solenoid valve block
Part and hot runner system with it, can solve the installation question at oil pressure pipe switching.
For the first purpose for realizing above-mentioned utility model, the utility model provides a kind of oil pressure electromagnetic valve component, including
Oil valve plate and the reversal valve being arranged on the oil valve plate, the oil valve plate include the asphalt channel formed in it and with the oil
The first interconnected disengaging portion of paths and oil circuit interface；
The oil valve plate includes the upper surface being oppositely arranged, lower surface and the connection upper surface and the lower surface
Side, the reversal valve are set at the upper surface, and the oil circuit interface and first disengaging portion are set to the side
Or at the lower surface；
First disengaging portion includes the first oil inlet and first being staggered at the side or the lower surface
Oil return opening.
As the further improvement of an embodiment of the present invention, reserved portion is provided at the upper surface, it is described reserved
Second disengaging portion can be set in portion.
As the further improvement of an embodiment of the present invention, second disengaging portion includes the second oil inlet and second
Oil return opening.
As the further improvement of an embodiment of the present invention, second disengaging portion and the setting of first disengaging portion
In the same end of the oil valve plate.
As the further improvement of an embodiment of the present invention, the oil pressure electromagnetic valve component includes oil pressure gauge, described
Oil pressure gauge can be inserted into the oil pressure gauge socket on the oil valve plate perpendicular to the oil valve plate surface.
As the further improvement of an embodiment of the present invention, the oil pressure gauge socket is arranged on the oil valve plate remote
One end from first disengaging portion.
As the further improvement of an embodiment of the present invention, the asphalt channel include oil inlet portion, oil inlet passage and
Drainback passage；
The reversal valve through-hole being interconnected with the asphalt channel is provided on the oil valve plate；
The oil inlet portion is connected to first oil inlet respectively, and the drainback passage connects with first oil return opening respectively
It is logical, pass through the reversal valve through-hole and oil circuit orifice between the oil inlet passage and the drainback passage.
As the further improvement of an embodiment of the present invention, the oil pressure electromagnetic valve component further include be set to it is described
The oil inlet portion and the drainback passage can be connected in pressure reducing valve on asphalt channel, the pressure reducing valve.
As the further improvement of an embodiment of the present invention, it is logical that the reversal valve can be selectively connected in the reversal valve
Hole flows to oil circuit or second flows to oil circuit to form first；
The oil circuit interface includes first interface and second interface；
The reversal valve through-hole includes the first through hole communicated with first oil inlet, with described first connects what hole communicated
Second through-hole connects the third through-hole and the fourth hole communicated with first oil return opening that hole communicates with second；
When reversal valve conducting described first flows to oil circuit, the first through hole is connected with second through-hole, and
The third through-hole is connected with the fourth hole；
When reversal valve conducting described second flows to oil circuit, the first through hole is connected with the third through-hole, and
Second through-hole is connected with the fourth hole.
As the further improvement of an embodiment of the present invention, the utility model additionally provides a kind of hot runner system,
Oil cylinder and the oil pressure electromagnetic valve component including being provided with piston, the oil pressure electromagnetic valve component can be logical by the oil circuit
The piston motion in oil cylinder described in road switching control.
Compared with prior art, the utility model has the following beneficial effects:
The first disengaging portion and the second disengaging portion are provided on oil valve plate in oil pressure electromagnetic valve component, according to the need of client
It asks, selection facilitates the position of connection to be installed, and can solve the installation question at connection oil pressure pipe switching, so that device be made to use
Get up more convenient.
The above description is merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model
Art means, and can be implemented in accordance with the contents of the specification, below on the preferred embodiment of the present invention and the accompanying drawings in detail
It describes in detail bright as after.Specific embodiment of the present utility model is shown in detail by following embodiment and its attached drawing.
Detailed description of the invention
In order to illustrate more clearly of the technical solution in the utility model embodiment technology, embodiment technology will be retouched below
Attached drawing needed in stating is briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the structure chart at the first visual angle of the preferred embodiment in the utility model figure；
Fig. 2 is the structure chart at second of visual angle of the preferred embodiment in the utility model figure；
Fig. 3 is the structure chart of the preferred embodiment in the utility model figure oil valve plate；
Fig. 4 is the birds-eye perspective of the preferred embodiment in the utility model figure oil valve plate；
Fig. 5 is the structural perspective of the preferred embodiment in the utility model figure oil valve plate.
In Fig. 1-5:
1 reversal valve；
2 oil valve plates；
21 asphalt channels；22 first disengaging portions；23 second disengaging portions；
24 reversal valve through-holes；25 oil circuit interfaces；26 upper surfaces；
27 lower surfaces；28 sides；
211 oil inlet portions；212 oil inlet passages；213 drainback passages；
221 first oil inlets；222 first oil return openings；
231 second oil inlets；232 second oil return openings；
241 first through hole；242 second through-holes；243 third through-holes；
244 fourth holes；
251 first interfaces；252 second interfaces；
3 pressure reducing valves；
4 oil pressure gauges；
5 connectors.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
In each diagram of the application, for the ease of illustration, structure or partial certain sizes can be relative to other knots
Structure or part are exaggerated, and therefore, are only used for the basic structure of the theme of diagram the application.
In addition, the term of the representation space relative position used herein such as "upper", " top ", "lower", " lower section " is
A unit as shown in the drawings or feature are described for the purpose convenient for explanation relative to another unit or feature
Relationship.The term of relative space position can be intended to include equipment in use or work other than orientation as shown in the figure not
Same orientation.For example, being described as being located at other units or feature " below " or " under " if the equipment in figure overturn
Unit will be located at other units or feature " top ".Therefore, exemplary term " lower section " can include above and below both
Orientation.Equipment can otherwise be directed (be rotated by 90 ° or other directions), and be interpreted accordingly it is used herein with it is empty
Between relevant description language.
Join Fig. 1-5, an embodiment of the present invention provides a kind of oil pressure electromagnetic valve component, including oil valve plate 2 and setting
Reversal valve 1 on oil valve plate 2, oil valve plate 2 is in cuboid-type here, and reversal valve 1 is provided with 3, the setting number of reversal valve 1
Amount is arranged according to actual needs, and but not limited to this, and oil valve plate 2 can be connect with the oil cylinder (not indicating in figure) in hot flow path,
Mobiloil physical efficiency in oil cylinder is transported in oil valve plate 2, and reversal valve 1 can change the flow direction that oil body is flowed in oil valve plate 2, oil
It is connected on valve plate 2 and is provided with the fixed screw hole of positioning at the position of reversal valve 1, reversal valve 1 can be inserted into screw hole by screw and be consolidated
On fixed band oil valve plate 2；
Oil valve plate 2 include its in formed asphalt channel 21 and with asphalt channel 21 be interconnected the first disengaging portion 22,
Reversal valve through-hole 24 and oil circuit interface 25, mobiloil physical efficiency are flowed into and out from the first disengaging portion 22, and reversal valve 1 is arranged in correspondence
Reversal valve through-hole 24 on, the flowing side that oil body is flowed in corresponding reversal valve through-hole 24 is controlled with the change of 1 internal channel of reversal valve
To oil circuit interface 25 can be connected to the plunger shaft (not indicating in figure) of oil cylinder；
Oil valve plate 2 includes the upper surface 26 being oppositely arranged, lower surface 27 and the side for connecting upper surface 26 and lower surface 27
Face 28, side 28 has 4 here, and but not limited to this, and reversal valve 1 and the second disengaging portion 23 are set at upper surface 26, oil circuit
Interface 25 and the first disengaging portion 22 are set at side 28 or lower surface 27, and user can select using in actual use
The connecting interface that one disengaging portion 22 transfers as oil pressure pipe, the connection that could be used that the second disengaging portion 23 transfers as oil pressure pipe connect
Mouthful, the first disengaging portion 22 and the setting of the second disengaging portion 23 on different surfaces, can connect need according to the pipeline in actual use
It wants, more simply and easily position is attached for selection, can solve the installation question at oil pressure pipe switching, the set-up time is saved,
Connect the pipeline of device simpler reliable；
First disengaging portion 22 includes the first oil inlet 221 and the first oil return opening 222, flows oil body from the first oil inlet 221
Flow into, flowed out after circulation by the first oil return opening 222, the channel flowed into and out be it is independent, the second disengaging portion 23 can be according to visitor
The needs at family are configured, and the second disengaging portion 23 includes the second oil inlet 231 and the second oil return opening 232, the second oil inlet 231
It is identical as the first oil inlet 221 and the first oil return opening 222 with the structure and function of the second oil return opening 232, but two groups of inlet and outlet
Setting position it is different, adapt to different installation sites respectively.
First oil inlet 221 and first oil return opening 222 setting position are that oil pressure solenoid valve divides hydraulic fluid port to be sitting in position, this
Place's connection is more, and hydraulic fluid port intersects the setting being staggered and facilitates installation.
Further, asphalt channel 21 includes oil inlet portion 211, oil inlet passage 212 and drainback passage 213, and oil inlet portion 211 is in
L-type, oil inlet passage 212 and drainback passage 213 are of a straight line type, and but not limited to this；
Oil inlet portion 211 is connected to the first oil inlet 221 and the second oil inlet 231 respectively, and drainback passage 213 is respectively with
One oil return opening 222 is connected to the second oil return opening 232, passes through reversal valve through-hole 24 between oil inlet passage 212 and drainback passage 213
And oil circuit interface 25 is connected to.
Wherein, oil pressure electromagnetic valve component further includes the pressure reducing valve 3 being set on asphalt channel 21, pressure reducing valve 3 can be connected into
Oily portion 211 and drainback passage 213.Oil inlet portion 211 has 3 first through hole 241 of pressure reducing valve far from the one end in the first disengaging portion 22, into
Oily channel 212 has 3 second through-hole 242 of pressure reducing valve close to the one end in oil inlet portion 211, and drainback passage 213 is close to oil inlet portion 211
One end has 3 third through-hole 243 of pressure reducing valve, and 3 selectivity conducting 3 first through hole 241 of pressure reducing valve of pressure reducing valve, pressure reducing valve 3 second are logical
3 third through-hole 243 of hole 242 and pressure reducing valve.
Specifically, oil inlet portion 211 and drainback passage is connected in pressure reducing valve 3 when the oil pressure value in oil inlet portion 211 is greater than threshold value
213 and make oil inlet portion 211 flow into oil inlet passage 212 flowing oil body oil pressure value be equal to threshold value.When the oil pressure in oil inlet portion 211
When value is greater than threshold value, show that oil pressure is excessive at this time, needs to guide extra flowing oil body to drainback passage 213 and subtracted with realizing
Pressure, so that the oil pressure value of the flowing oil body flowed into oil inlet passage 212 is consistently equal to threshold value.Threshold definitions are pressure reducing valve 3
Setting value.3 setting value of pressure reducing valve of pressure reducing valve 3 is also depending on actual needs.If the oil pressure value of oil inlet passage 212 can not
Reach the oil pressure value of actual demand, then it can be by adjusting pressure reducing valve 3 so that 3 setting value of pressure reducing valve is turned up；If the oil of oil inlet passage 212
Pressure value has been more than the oil pressure value of actual demand, then can be by adjusting pressure reducing valve 3 to turn down 3 setting value of pressure reducing valve.
Further, reversal valve through-hole 24 can be connected selectively to form first and flow to oil circuit or the second flow direction in reversal valve 1
Oil circuit；
Oil circuit interface 25 includes first interface 251 and second interface 252, and first interface 251 and second interface 252 are distinguished
Corresponding first, which flows to oil circuit and second, flows to oil circuit, when first flows to oil circuit and 21 mutual conduction of asphalt channel, flows oil body
It is flowed by first interface 251 towards second interface 252, when second flows to oil circuit and 21 mutual conduction of asphalt channel, mobiloil
By second interface 252 towards first interface 251, first flows to oil circuit or second flows to oil circuit and respectively correspond oil cylinder piston (not body
Mark) the opposite direction of motion,
Reversal valve through-hole 24 include at least communicated with the first oil inlet 221 or the second oil inlet 231 first through hole 241,
Connect the second through-hole 242 that hole communicates with first, third through-hole 243 that hole communicates is connect with second and with the first oil return opening 222 or the
The fourth hole 244 that two oil return openings 232 communicate；
When the conducting of reversal valve 1 first flows to oil circuit, first through hole 241 and the second through-hole 242 are connected, and third through-hole
243 are connected with fourth hole 244；
When the conducting of reversal valve 1 second flows to oil circuit, first through hole 241 and third through-hole 243 are connected, and the second through-hole
242 are connected with fourth hole 244.
In the present embodiment, reversal valve 1 is four-way reversing valve 1.
Specifically, first through hole 241 and the second through-hole 242 are connected when the conducting of reversal valve 1 first flows to oil circuit, and the
Three through-holes 243 are connected with fourth hole 244, i.e. the first specific flow direction for flowing to oil circuit at this time are as follows: oil circuit import --- first is logical
--- --- --- the first connector --- oil cylinder (does not indicate) --- second connects first interface 251 the second through-hole 242 in hole 241
Head --- --- --- fourth hole 244 --- oil circuit of third through-hole 243 outlet of second interface 252.
When the conducting of reversal valve 1 second flows to oil circuit, first through hole 241 and third through-hole 243 are connected, and the second through-hole
242 are connected with fourth hole 244, i.e. the second specific flow direction for flowing to oil circuit at this time are as follows: oil circuit import --- first through hole
241 --- --- --- --- oil cylinder (does not indicate) the second connector second interface 252 third through-hole 243 --- the first connector ---
--- the second through-hole 242 --- fourth hole 244 --- oil circuit outlet of first interface 251.
In the present invention, reversal valve 1 is not limited only to be two-position four way change valve 1, only need to guarantee to be able to achieve mobiloil
Flow direction include at least first interface 251 and flow to second interface 252 and second interface 252 flows to 251 two kinds of first interface flow directions
?.
Further, oil pressure electromagnetic valve component further includes the oil pressure gauge 4 being set on asphalt channel 21, and oil pressure gauge 4 is at least
In the extension of a part insertion oil valve plate 2.The plate body of oil valve plate 2 lengthens, and the adjustment of oil pressure gauge 4 is located at oil pressure solenoid valve weight, oil
Pressure table 4 is inserted directly into oil valve plate 2, and including the pipeline of oil pressure gauge 4 is protected by oil valve plate 2, when installation will not be encountered, and can be obtained
The protection of oil valve plate 2.
Wherein, oil pressure gauge 4 is connected to the oil inlet passage 212 of asphalt channel 21.Oil inlet passage 212 is far from the second disengaging portion 23
One end extended to form 4 connected slot of oil pressure gauge, oil pressure gauge 4, which is connected directly between on oil inlet passage 212, can show asphalt channel
21 instant oil pressure values.
Further, the first oil inlet 221 and the first oil return opening 222 are staggered at side 28 or lower surface 27.The
One oil inlet 221 and first oil return opening 222 setting position are that oil pressure solenoid valve divides hydraulic fluid port to be sitting in position, herein connection
More, hydraulic fluid port intersects the setting being staggered and facilitates installation.
Further, oil pressure electromagnetic valve component further includes plug, and plug can adaptedly block the first disengaging portion 22 or the second
One of disengaging portion 23.Plug can be filled in the disengaging oilhole in the first disengaging portion 22 or the second disengaging portion 23, avoid the two any
Oil leak in use.
Further, oil pressure electromagnetic valve component further includes that the first disengaging portion 22 that is set to, the second disengaging portion 23 and oil circuit connect
Connector 5 at mouth 25.Connector 5 can play the role of being connected to oil circuit connection mouth and other mechanisms.
A kind of hot runner system, it is characterised in that oil cylinder and above-mentioned oil pressure electromagnetic valve component including being provided with piston,
Oil pressure electromagnetic valve component can pass through the piston motion in 21 switching control oil cylinder of asphalt channel.Oil pressure electromagnetic valve component itself can be real
Existing a variety of oil circuit switchings, different flowing oil body conveying directions corresponds to the different direction of motion of piston in oil cylinder, with dress in this way
The hot runner system set controls the mechanism change in hot flow path by the movement of piston, such as the movement of needle.
Compared with prior art, the utility model has the following beneficial effects:
(1) user can select the connecting interface for using the first disengaging portion to transfer as oil pressure pipe in actual use,
It could be used that the connecting interface that the second disengaging portion transfers as oil pressure pipe, the first disengaging portion and the second disengaging portion are arranged in different
On face, needs can be connected according to the pipeline in actual use, more simply and easily position is attached for selection, can solve oil pressure
Installation question at pipe switching saves the set-up time, connects the pipeline of device simpler reliable；
(2) plate body of oil valve plate lengthens, and oil pressure gauge adjustment is located at oil pressure solenoid valve weight, and oil pressure gauge is inserted directly into oil valve plate
In, by including the protection of oil valve plate, when installation, will not be encountered for the pipeline of oil pressure gauge, can obtain the protection of oil valve plate.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (10)
1. a kind of oil pressure electromagnetic valve component, including oil valve plate and the reversal valve being arranged on the oil valve plate, it is characterised in that: institute
Stating oil valve plate includes the asphalt channel formed in it and the first disengaging portion being interconnected with the asphalt channel and oil circuit interface；
The oil valve plate includes the side of the upper surface being oppositely arranged, lower surface and the connection upper surface and the lower surface
Face, the reversal valve are set at the upper surface, the oil circuit interface and first disengaging portion be set to the side or
At the lower surface；
First disengaging portion includes the first oil inlet and the first oil return being staggered at the side or the lower surface
Mouthful.
2. oil pressure electromagnetic valve component according to claim 1, it is characterised in that: reserved portion is provided at the upper surface,
Second disengaging portion can be set in the reserved portion.
3. oil pressure electromagnetic valve component according to claim 2, it is characterised in that: second disengaging portion includes the second oil inlet
Mouth and the second oil return opening.
4. oil pressure electromagnetic valve component according to claim 2, it is characterised in that: second disengaging portion and described first into
The same end of the oil valve plate is arranged in portion out.
5. oil pressure electromagnetic valve component according to claim 1, it is characterised in that: the oil pressure electromagnetic valve component includes oil pressure
Table, the oil pressure gauge can be inserted into the oil pressure gauge socket on the oil valve plate perpendicular to the oil valve plate surface.
6. oil pressure electromagnetic valve component according to claim 5, it is characterised in that: the oil pressure gauge socket is arranged in the oil
Far from the one end in first disengaging portion on valve plate.
7. oil pressure electromagnetic valve component according to claim 1, it is characterised in that: the asphalt channel include oil inlet portion, into
Oily channel and drainback passage；
The reversal valve through-hole being interconnected with the asphalt channel is provided on the oil valve plate；
The oil inlet portion is connected to first oil inlet respectively, and the drainback passage is connected to first oil return opening respectively,
Pass through the reversal valve through-hole and oil circuit orifice between the oil inlet passage and the drainback passage.
8. oil pressure electromagnetic valve component according to claim 7, it is characterised in that: the oil pressure electromagnetic valve component further includes setting
The oil inlet portion and the drainback passage can be connected in the pressure reducing valve being placed on the asphalt channel, the pressure reducing valve.
9. oil pressure electromagnetic valve component according to claim 7, it is characterised in that: the reversal valve can selectively be connected described
Reversal valve through-hole flows to oil circuit or second flows to oil circuit to form first；
The oil circuit interface includes first interface and second interface；
The reversal valve through-hole include the first through hole communicated with first oil inlet, with described first connect that hole communicates second
Through-hole connects the third through-hole and the fourth hole communicated with first oil return opening that hole communicates with second；
When reversal valve conducting described first flows to oil circuit, the first through hole is connected with second through-hole, and described
Third through-hole is connected with the fourth hole；
When reversal valve conducting described second flows to oil circuit, the first through hole is connected with the third through-hole, and described
Second through-hole is connected with the fourth hole.
10. a kind of hot runner system, it is characterised in that including being provided with the oil cylinder of piston and such as any one of claim 1-9
The oil pressure electromagnetic valve component, the oil pressure electromagnetic valve component can be by oil cylinders described in the asphalt channel switching control
The piston motion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822150910.4U CN209294161U (en) | 2018-12-20 | 2018-12-20 | Oil pressure electromagnetic valve component and hot runner system with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822150910.4U CN209294161U (en) | 2018-12-20 | 2018-12-20 | Oil pressure electromagnetic valve component and hot runner system with it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209294161U true CN209294161U (en) | 2019-08-23 |
Family
ID=67655910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822150910.4U Active CN209294161U (en) | 2018-12-20 | 2018-12-20 | Oil pressure electromagnetic valve component and hot runner system with it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209294161U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU214252U1 (en) * | 2022-03-18 | 2022-10-18 | Илья Александрович Новгородов | HYDRAULIC PLATE |
-
2018
- 2018-12-20 CN CN201822150910.4U patent/CN209294161U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU214252U1 (en) * | 2022-03-18 | 2022-10-18 | Илья Александрович Новгородов | HYDRAULIC PLATE |
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