CN204573192U - A kind of fluid is communicated with COMM communication - Google Patents
A kind of fluid is communicated with COMM communication Download PDFInfo
- Publication number
- CN204573192U CN204573192U CN201520154138.7U CN201520154138U CN204573192U CN 204573192 U CN204573192 U CN 204573192U CN 201520154138 U CN201520154138 U CN 201520154138U CN 204573192 U CN204573192 U CN 204573192U
- Authority
- CN
- China
- Prior art keywords
- valve plug
- movable valve
- communicated
- fluid
- receiving groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model discloses a kind of fluid and be communicated with COMM communication, relate to fluid circuit control technique field, the problem of solution is the problem solving the process of fluid abrasive dust, improves the working life that fluid is communicated with COMM communication.The technological scheme of main employing is: housing, and it has roof and surrounding wall, and the internal surface of described surrounding wall is provided with the first receiving groove; Fixed valve plug, is arranged in described housing; Movable valve plug, is arranged in described housing, and described movable valve plug first end face coordinates with described fixed valve plug first end plane-plane contact; Back-up ring, is arranged in described first receiving groove, and between described movable valve plug and described first receiving groove; Rotary connector, is connected with described movable valve plug; Drive unit, it comprises live axle, and described live axle is connected with described rotary connector; Position selection device, rotates for controlling described drive unit.The utility model is mainly used in fluid analysis technical field.
Description
Technical field
The utility model relates to fluid circuit control technique field, particularly relates to a kind of fluid and is communicated with COMM communication.
Background technique
Existing fluid is communicated with that COMM communication comprises housing, the fixed valve plug be arranged in housing, the drive unit that is arranged on the movable valve plug in housing and is arranged in housing, when fixed valve plug and movable valve plug are adjacent to sealing, when rotating to different amount under the drive of movable valve plug at drive unit, multiple fluid passages on fixed valve plug are communicated with by the guiding gutter correspondence on movable valve plug, realize the switching controls of convection cell.Because fluid is communicated with COMM communication under using for a long time, the cooperation place of fixed valve plug and movable valve plug can produce fluid abrasive dust, if fluid abrasive dust long-term existence is communicated with in COMM communication in fluid, meeting corrupt liquid is communicated with the parts in COMM communication, thus causes the working life of fluid connection COMM communication not long.
Summary of the invention
In view of this, the utility model provides a kind of fluid to be communicated with COMM communication, and main purpose is the problem solving the process of fluid abrasive dust, improves the working life that fluid is communicated with COMM communication.
For achieving the above object, the utility model mainly provides following technological scheme:
On the one hand, embodiment of the present utility model provides a kind of fluid to be communicated with COMM communication, and it comprises:
Housing, it has roof and surrounding wall, and described roof has multiple pore, and the internal surface of described surrounding wall is provided with the first receiving groove;
Fixed valve plug, is arranged in described housing; Described fixed valve plug inside is provided with multiple fluid passage, multiple described fluid passage has the first gateway be communicated with multiple described pore one_to_one corresponding respectively, and multiple described fluid passage has the second gateway be arranged on described fixed valve plug first end face respectively;
Movable valve plug, is arranged in described housing; Described movable valve plug first end face coordinates with described fixed valve plug first end plane-plane contact, and the first end face of described movable valve plug is provided with one or more guiding gutter;
Back-up ring, is arranged in described first receiving groove, and between described movable valve plug and described first receiving groove;
Rotary connector, is connected with described movable valve plug, rotates for driving described movable valve plug;
Drive unit, it comprises live axle, and described live axle is connected with described rotary connector, rotates for driving described rotary connector;
Position selection device, rotates for controlling described drive unit;
Wherein, when described drive unit drives described rotary connector rotate thus drive described movable valve plug to forward different angles to, multiple described second gateway is communicated with by described one or more guiding gutter correspondence each other.
Foregoing, also comprise: pre-tightening mechanism, it comprises elastic device and prefastened locking member;
Described elastic device is arranged on described rotary connector;
Described prefastened locking member is fixed on described drive unit, and is connected with described housing.
Foregoing, the internal surface of described surrounding wall is provided with the second receiving groove, and described second receiving groove corresponds to the cooperation place of described fixed valve plug and described movable valve plug.
Foregoing, the outer surface of described surrounding wall is provided with at least one pod apertures, and at least one pod apertures described is communicated in described second receiving groove in the inside of described surrounding wall.
Foregoing, described rotary connector comprises pallet and running shaft;
Described rotary connector is connected with described movable valve plug and is specially:
Described movable valve plug is connected with described pallet;
Described live axle is connected with described rotary connector and is specially:
Described live axle is connected with described running shaft;
Described elastic device is arranged on described rotary connector and is specially:
Described elastic device is arranged on described running shaft.
Foregoing, the second end face of described movable valve plug is provided with the 3rd receiving groove;
Described tray bottom upper surface middle part is provided with lug boss;
Described movable valve plug is connected with described pallet and is specially:
Described lug boss and described 3rd receiving groove are connected together.
Foregoing, described pre-tightening mechanism also comprises plane bearing;
Shown plane bearing is arranged on described live axle; And between described elastic device and described prefastened locking member; Or,
Described plane bearing is arranged on described running shaft, and between described pallet and described elastic device.
Foregoing, also comprise: multiple extruding type conduit, each described extruding type conduit inserts in corresponding described fluid passage through corresponding described pore.
By technique scheme, a kind of fluid of the utility model is communicated with COMM communication and at least has following advantages:
Fluid of the present utility model is communicated with COMM communication by arranging the first receiving groove at the internal surface of surrounding wall, back-up ring is arranged in the first receiving groove, make back-up ring between movable valve plug and the first receiving groove, fluid is made to be communicated with COMM communication in use, if there is the cooperation place of the driven spool of fluid abrasive dust and fixed valve plug to flow out, and during along the wall flow of movable valve plug, back-up ring can stop fluid abrasive dust to flow, anti-fluid abrasive dust is along the sidewall of movable valve plug to miscellaneous part direction flowing in housing, thus anti-fluid abrasive dust corrosion miscellaneous part, the design of this structure, improve the working life that fluid is communicated with COMM communication.
Above-mentioned explanation is only the general introduction of technical solutions of the utility model, in order to better understand technological means of the present utility model, and can be implemented according to the content of specification, coordinates accompanying drawing to be described in detail as follows below with preferred embodiment of the present utility model.
Accompanying drawing explanation
Fig. 1 is that a kind of fluid that embodiment of the present utility model provides is communicated with COMM communication structural representation;
Fig. 2 is a kind of fixed valve plug worm's eye view that embodiment of the present utility model provides;
Fig. 3 is a kind of movable valve plug plan view that embodiment of the present utility model provides;
Fig. 4 is the another kind of fixed valve plug worm's eye view that embodiment of the present utility model provides;
Fig. 5 is the another kind of movable valve plug plan view that embodiment of the present utility model provides;
Fig. 6 is another fixed valve plug worm's eye view that embodiment of the present utility model provides;
Fig. 7 is another movable valve plug plan view that embodiment of the present utility model provides;
Fig. 8 is that the one other fluid that embodiment of the present utility model is led to is communicated with COMM communication structural representation;
Fig. 9 is a kind of movable valve plug of providing of embodiment of the present utility model and rotary connector linkage structure schematic diagram.
Embodiment
For further setting forth the utility model for the technological means reaching predetermined model utility object and take and effect, below in conjunction with accompanying drawing and preferred embodiment, to according to the embodiment of the utility model application, structure, feature and effect thereof, be described in detail as follows.In the following description, the not necessarily same embodiment that different " embodiment " or " embodiment " refers to.In addition, special characteristic, structure or feature in one or more embodiment can be combined by any suitable form.
As shown in Figure 1, a kind of fluid that an embodiment of the present utility model proposes is communicated with COMM communication, and it comprises: housing 1, fixed valve plug 2, movable valve plug 3, back-up ring 4, rotary connector 5, drive unit 6 and position selection device (not shown).Wherein,
Housing 1, it has roof 11 and surrounding wall 12, and described roof 11 has multiple pore 111, and the internal surface of described surrounding wall 12 is provided with the first receiving groove 121;
Fixed valve plug 2, is arranged in described housing 1; Described fixed valve plug 2 inside is provided with multiple fluid passage 21, multiple described fluid passage 21 has the first gateway 211 be communicated with multiple described pore 111 one_to_one corresponding respectively, and multiple described fluid passage 21 has the second gateway 212 be arranged in described fixed valve plug first end face (not shown) respectively;
Movable valve plug 3, is arranged in described housing 1; Described movable valve plug first end face (not shown) coordinates with described fixed valve plug first end plane-plane contact, and described movable valve plug first end face is provided with one or more guiding gutter 31;
Back-up ring 4, is arranged in described first receiving groove 121, and between described movable valve plug 3 and described first receiving groove 121;
Rotary connector 5, is connected with described movable valve plug 3, rotates for driving described movable valve plug 3;
Drive unit 6, it comprises live axle 61, and described live axle 61 is connected with described rotary connector 5, rotates for driving described rotary connector 5;
Position selection device, rotates for controlling described drive unit 6;
Wherein, when described drive unit 6 drives described rotary connector 5 to rotate thus drives described movable valve plug 3 to forward different angles to, multiple described second gateway 212 is communicated with by described one or more guiding gutter 31 correspondence each other.
The utility model embodiment is by arranging the first receiving groove 121 at the internal surface of surrounding wall 12, back-up ring 4 is arranged in the first receiving groove 121, make back-up ring 4 between movable valve plug 3 and the first receiving groove 121, fluid is made to be communicated with COMM communication in use, if there is the cooperation place of the driven spool 3 of fluid abrasive dust and fixed valve plug 2 to flow out, and during along the wall flow of movable valve plug 3, back-up ring 4 can stop fluid abrasive dust to flow, anti-fluid abrasive dust is along the sidewall of movable valve plug 3 to miscellaneous part direction flowing in housing, thus anti-fluid abrasive dust corrosion miscellaneous part, the design of this structure, improve the working life that fluid is communicated with COMM communication.
Further, multiple fluid passage 21 has multiple layout type, and guiding gutter 31 also has multiple layout type, and wherein, the layout type of guiding gutter 31 changes accordingly along with the change of multiple fluid passages 21 layout type.
A kind of layout type of multiple fluid passage 21 and guiding gutter 31 is:
As shown in Figure 2, a fluid passage in multiple fluid passage 21 is arranged on the center of fixed valve plug 2, and other fluid passages are with the center of fixed valve plug 2 for round dot, and being evenly distributed on radius is S
1circumferentially;
As shown in Figure 3, one end of guiding gutter 31 is arranged on the center of movable valve plug first end face, and the length of guiding gutter 31 equals S
1length, wherein the quantity of guiding gutter 31 is one;
When drive unit 6 drives rotary connector 5 to rotate thus drives movable valve plug 3 to forward different angles to, the second gateway 212 being arranged on the fluid passage at the center of fixed valve plug 2 corresponding is alternatively communicated with other fluid passages by guiding gutter 31.
The another kind of layout type of multiple fluid passage 21 and guiding gutter 31 is:
As shown in Figure 4, multiple fluid passage 21 is with the center of fixed valve plug 2 for round dot, and being evenly distributed on radius is S
2circumferentially, multiple second gateway 212 distance is each other equal;
As shown in Figure 5, with the center of movable valve plug first end face for round dot, it is S that guiding gutter 31 is arranged on radius
2circumferentially, the length of guiding gutter 31 equals multiple second gateway 212 distance each other, and wherein, guiding gutter 31 quantity can be that one or more, concrete the utility model embodiments does not limit this, can arrange according to demand.
When described drive unit 6 drives described rotary connector 5 to rotate thus drives described movable valve plug 3 to forward different angles to, multiple second gateway 212 is communicated with by one or more guiding gutter 31 correspondence each other.
Another layout type of multiple fluid passage 21 and guiding gutter 31 is:
As shown in Figure 6, a part of fluid passage in multiple fluid passage 21 is with the center of fixed valve plug 2 for the center of circle, and being evenly distributed on radius is S
3circumferentially, another part fluid passage is with the center of fixed valve plug 2 for the center of circle, and being evenly distributed on radius is S
4circumferentially; Wherein S
3be less than S
4;
As shown in Figure 7, with the center of movable valve plug first end face for round dot, it is S that one end of guiding gutter 31 is arranged on radius
3circumferentially, the other end is arranged on radius is S
4circumferentially, the length of guiding gutter 31 equals S
4and S
3between distance, wherein, guiding gutter 31 is that one or more, concrete the utility model embodiments does not limit this, can arrange according to demand.
When described drive unit 6 drives described rotary connector 5 to rotate thus drives described movable valve plug 3 to forward different angles to, multiple second gateway 212 is communicated with by one or more guiding gutter 31 correspondence each other.
Certain multiple fluid passage 21 and guiding gutter 31 are except above several layout type; also comprise other layout type; and above several layout type can also merge combination arbitrarily; concrete the utility model embodiment does not limit this, as long as it can carry out fluid switch the protection domain all belonging to the utility model embodiment.
Further, in order to make movable valve plug contact with fixed valve plug holding surface, thus realize good sealing, described fluid is communicated with COMM communication and also comprises: pre-tightening mechanism 7, as shown in Figure 8, pre-tightening mechanism 7, it comprises elastic device 71 and prefastened locking member 72; Described elastic device 71 is arranged on described rotary connector 5; Described prefastened locking member 72 is fixed on described drive unit 6, and is connected with described housing 1.
Concrete, prefastened locking member 72 and housing 1 are for being threaded, when using the utility model fluid to be communicated with COMM communication, first prefastened locking member 72 being screwed into housing 1, prefastened locking member 72 is being screwed in the process of housing 1, prefastened locking member 72 presses to elastic device 71, press to rotary connector 5 after elastic device 71 is compressed, rotary connector 5 presses to movable valve plug 3, and movable valve plug 3 presses to fixed valve plug 2, fixed valve plug 2 presses to roof 11, thus makes movable valve plug 3 and fixed valve plug 2 realize good sealing.Certain prefastened locking member 72 can also be other Placements with housing 1; such as be connected together mode, movable valve plug can be made to contact with fixed valve plug holding surface the protection domain all belonging to the utility model embodiment as long as concrete the utility model embodiment does not carry out limiting it to this.
Further, described elastic device 71 can be disc spring can be also spring, and concrete the utility model embodiment does not limit this, as long as it has the protection domain that elasticity all belongs to the utility model embodiment.
Further, in order to anti-fluid abrasive dust corrupt liquid is communicated with the parts in COMM communication, affect the working life that fluid is communicated with COMM communication, the internal surface of described surrounding wall 12 is provided with the second receiving groove 122, as shown in Figure 8, described second receiving groove 122 corresponds to the cooperation place of described fixed valve plug 2 and described movable valve plug 3, the design of this structure, the fluid abrasive dust flowed out from the cooperation place of fixed valve plug 2 and movable valve plug 3 can be made to accumulate in the second receiving groove 122, anti-fluid abrasive dust flow to other parts along the sidewall of movable valve plug 3, thus anti-fluid abrasive dust corrupt liquid is communicated with the parts in COMM communication.
Further, conveniently derive fluid abrasive dust, the outer surface of described surrounding wall 12 is provided with pod apertures 123, as shown in Figure 8, described pod apertures 123 is communicated in described second receiving groove 122 in the inside of described surrounding wall 12, and wherein pod apertures 123 can be one, also can be multiple, concrete the utility model embodiment does not limit this, can arrange according to demand.
Further, described rotary connector 5 comprises pallet 51 and running shaft 52; As shown in Figure 8,
Described movable valve plug 3 is connected with described pallet 51; Described live axle 61 is connected with described running shaft 52; Described elastic device 71 is arranged on described running shaft 52, and can slide up and down on running shaft 52.
Wherein, pallet 51 and running shaft 52 can be structure as a whole, and also can be detachable structure, concrete the utility model embodiment limit this, as long as it can drive movable valve plug 3 to rotate the protection domain all belonging to the utility model embodiment.
Further, as shown in Figure 9, movable valve plug 3 is inverted convex shape, and pallet 51 is concave structure, and the convex portion of movable valve plug 3 inserts in the concave structure of pallet 51, forms anti-rotating and connects.Certain movable valve plug 3 also can be concave structure; pallet 51 is convex shape; the convex portion of pallet 51 inserts in the concave structure of movable valve plug 3; concrete the utility model embodiment does not limit this, as long as make movable valve plug and rotary connector be that anti-rotating is connected the protection domain all belonging to the utility model embodiment.
Further, to be connected more fit submissive with movable valve plug 3 in order to make rotary connector 5, described movable valve plug second end face (not shown) is provided with the 3rd receiving groove 32; As shown in Figure 9, lug boss 511 is provided with in the middle part of described pallet 51 upper base surface; Described lug boss 511 is connected together with described 3rd receiving groove 32.
Further, described lug boss 511 can be sphere structure, and also can be polyhedral structure, concrete the utility model embodiment limit this, can arrange according to demand.
Further, in order to prevent rotary connector 5 and live axle 61 in rotary course, produce friction between prefastened locking member 72 and elastic device 71, affect the working life that fluid is communicated with COMM communication, described pre-tightening mechanism 7 also comprises plane bearing 73; As shown in Figure 8,
Shown plane bearing 73 is arranged on described live axle 61; And between described elastic device 71 and described prefastened locking member 72, or described plane bearing 73 can also be arranged on described running shaft 52, and between described pallet 51 and described elastic device 71.Concrete the utility model embodiment does not limit this, as long as it can prevent, producing between prefastened locking member and elastic device rubs all belongs to the protection domain of the utility model embodiment.
Further, described fluid is communicated with COMM communication and also comprises: multiple extruding type conduit 8, and each described extruding type conduit 8 inserts in corresponding described fluid passage 21 through corresponding described pore 111 successively.
Further; described position selection device comprises location recognition body 9 and control circuit (not shown); as shown in Figure 8; described location recognition body 9 is arranged on movable valve plug 3; or described location recognition body 9 is arranged on rotary connector 5; concrete the utility model embodiment does not limit this, as long as it can select to position the protection domain all belonging to the utility model embodiment, described control circuit is arranged on the outer surface of surrounding wall 12.
Further, described location recognition body 9 is photoelectric code disk.
The utility model embodiment is by arranging the first receiving groove at the internal surface of surrounding wall, back-up ring is arranged in the first receiving groove, make back-up ring between movable valve plug and the first receiving groove, fluid is made to be communicated with COMM communication in use, if there is the cooperation place of the driven spool of fluid abrasive dust and fixed valve plug to flow out, and during along the wall flow of movable valve plug, back-up ring can stop fluid abrasive dust to flow, anti-fluid abrasive dust is along the sidewall of movable valve plug to miscellaneous part direction flowing in housing, thus anti-fluid abrasive dust corrosion miscellaneous part, the design of this structure, improve the working life that fluid is communicated with COMM communication.
The above, it is only preferred embodiment of the present utility model, not any pro forma restriction is done to the utility model, the any simple modification done above embodiment according to technical spirit of the present utility model, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (8)
1. fluid is communicated with a COMM communication, and it is characterized in that, it comprises:
Housing, it has roof and surrounding wall, and described roof has multiple pore, and the internal surface of described surrounding wall is provided with the first receiving groove;
Fixed valve plug, is arranged in described housing; Described fixed valve plug inside is provided with multiple fluid passage, multiple described fluid passage has the first gateway be communicated with multiple described pore one_to_one corresponding respectively, and multiple described fluid passage has the second gateway be arranged on described fixed valve plug first end face respectively;
Movable valve plug, is arranged in described housing, and described movable valve plug first end face coordinates with described fixed valve plug first end plane-plane contact, and the first end face of described movable valve plug is provided with one or more guiding gutter;
Back-up ring, is arranged in described first receiving groove, and between described movable valve plug and described first receiving groove;
Rotary connector, is connected with described movable valve plug, rotates for driving described movable valve plug;
Drive unit, it comprises live axle, and described live axle is connected with described rotary connector, rotates for driving described rotary connector;
Position selection device, rotates for controlling described drive unit;
Wherein, when described drive unit drives described rotary connector rotate thus drive described movable valve plug to forward different angles to, multiple described second gateway is communicated with by described one or more guiding gutter correspondence each other.
2. fluid according to claim 1 is communicated with COMM communication, it is characterized in that, also comprises:
Pre-tightening mechanism, it comprises elastic device and prefastened locking member;
Described elastic device is arranged on described rotary connector;
Described prefastened locking member is fixed on described drive unit, and is connected with described housing.
3. fluid according to claim 1 and 2 is communicated with COMM communication, it is characterized in that,
The internal surface of described surrounding wall is provided with the second receiving groove, and described second receiving groove corresponds to the cooperation place of described fixed valve plug and described movable valve plug.
4. fluid according to claim 3 is communicated with COMM communication, it is characterized in that,
The outer surface of described surrounding wall is provided with at least one pod apertures, and at least one pod apertures described is communicated in described second receiving groove in the inside of described surrounding wall.
5. fluid according to claim 2 is communicated with COMM communication, it is characterized in that,
Described rotary connector comprises pallet and running shaft;
Described rotary connector is connected with described movable valve plug and is specially:
Described movable valve plug is connected with described pallet;
Described live axle is connected with described rotary connector and is specially:
Described live axle is connected with described running shaft;
Described elastic device is arranged on described rotary connector and is specially:
Described elastic device is arranged on described running shaft.
6. fluid according to claim 5 is communicated with COMM communication, it is characterized in that,
Second end face of described movable valve plug is provided with the 3rd receiving groove;
Described tray bottom upper surface middle part is provided with lug boss;
Described movable valve plug is connected with described pallet and is specially:
Described lug boss and described 3rd receiving groove are connected together.
7. fluid according to claim 6 is communicated with COMM communication, it is characterized in that,
Described pre-tightening mechanism also comprises plane bearing;
Shown plane bearing is arranged on described live axle, and between described elastic device and described prefastened locking member; Or,
Described plane bearing is arranged on described running shaft, and between described pallet and described elastic device.
8. fluid according to claim 1 is communicated with COMM communication, it is characterized in that, also comprises:
Multiple extruding type conduit, each described extruding type conduit inserts in corresponding described fluid passage through corresponding described pore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520154138.7U CN204573192U (en) | 2015-03-18 | 2015-03-18 | A kind of fluid is communicated with COMM communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520154138.7U CN204573192U (en) | 2015-03-18 | 2015-03-18 | A kind of fluid is communicated with COMM communication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204573192U true CN204573192U (en) | 2015-08-19 |
Family
ID=53865833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520154138.7U Active CN204573192U (en) | 2015-03-18 | 2015-03-18 | A kind of fluid is communicated with COMM communication |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204573192U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104728472A (en) * | 2015-03-18 | 2015-06-24 | 丁文玲 | Fluid communication switching device |
| CN111921726A (en) * | 2017-09-29 | 2020-11-13 | 深圳市大疆创新科技有限公司 | Valve body structure and pressure nozzle device |
-
2015
- 2015-03-18 CN CN201520154138.7U patent/CN204573192U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104728472A (en) * | 2015-03-18 | 2015-06-24 | 丁文玲 | Fluid communication switching device |
| CN104728472B (en) * | 2015-03-18 | 2018-04-06 | 丁文玲 | Switching device is in fluid communication in one kind |
| CN111921726A (en) * | 2017-09-29 | 2020-11-13 | 深圳市大疆创新科技有限公司 | Valve body structure and pressure nozzle device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204573192U (en) | A kind of fluid is communicated with COMM communication | |
| CN104728472A (en) | Fluid communication switching device | |
| CN104712790A (en) | Fluid communication switching device | |
| CN207393969U (en) | Air bleeding valve with strainer | |
| CN205278513U (en) | Electronic selection valve of two -position three way | |
| CN203500558U (en) | Flow switching device | |
| CN204704426U (en) | A kind of fluid is communicated with COMM communication | |
| CN202780399U (en) | Gasket blanking system provided with gasket adjusting device | |
| CN208764332U (en) | A kind of Anti-leakage hydraulic valve | |
| CN103438255B (en) | Leakage-proof pressure valve | |
| CN203686288U (en) | Flow-limiting valve | |
| CN202493757U (en) | Novel piston-type float ball valve | |
| CN202381750U (en) | Three-way valve structure | |
| CN204573193U (en) | A kind of fluid is communicated with the inner abrasive dust flow guide structure of COMM communication | |
| CN204035587U (en) | A kind of contactless replacement swivel joint is used for the device of Horizontal electric main shaft hollow water outlet | |
| CN207470331U (en) | A kind of integrated fuel switch | |
| CN204647410U (en) | A kind of can the MULTIPLE COMPOSITE seal valve seat structure of greasing | |
| CN208519213U (en) | A kind of full packet three-flat ball valve of automation | |
| CN209100618U (en) | A kind of chain automatic lubricating system | |
| CN203975308U (en) | A kind of revolving vacuum distribution system | |
| CN205331513U (en) | Plunger type is check valve for high -pressure pump | |
| CN204083265U (en) | A kind of electric heating constant temperature valve | |
| CN204553986U (en) | A kind of thread type two-way plug-in valve | |
| CN202883352U (en) | Horizontal one-way valve for pulp | |
| CN219389288U (en) | Cloud platform management device for electric power |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220921 Address after: 5th Floor, Building E1, Hutang Headquarters Economic Park, No. 122, Qilidian Road, Qixing District, Guilin City, Guangxi Zhuang Autonomous Region 541500 Patentee after: Guilin Dacheng Intelligent Technology Co.,Ltd. Address before: Room 2802, Floor 327, District 3, Wangjing West Park, Chaoyang District, Beijing 100102 Patentee before: Ding Wenling |