CN209196230U - A kind of electrical actuator - Google Patents
A kind of electrical actuator Download PDFInfo
- Publication number
- CN209196230U CN209196230U CN201822220415.6U CN201822220415U CN209196230U CN 209196230 U CN209196230 U CN 209196230U CN 201822220415 U CN201822220415 U CN 201822220415U CN 209196230 U CN209196230 U CN 209196230U
- Authority
- CN
- China
- Prior art keywords
- stroke
- hole
- valve
- electrical actuator
- upper housing
- 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
Landscapes
- Temperature-Responsive Valves (AREA)
Abstract
The utility model provides a kind of electrical actuator, comprising: upper housing；Stroke indicates frame structure, can be installed in upper housing up or down, and can drive and cooperate with the valve rod of valve, to turn off or on valve；Manual actuation structure driving trip instruction frame structure can move up and down under external force.The electrical actuator of the utility model, it is swift and convenient to operate without giving electrical actuator external power supply when suppressing test, it improves work efficiency.
Description
Technical field
The utility model relates to furniture heating technology fields, and in particular to a kind of electrical actuator.
Background technique
Electrical actuator, also known as electric heating constant temperature controller are a kind of (cold for remote control system flow, heat
Amount) device, suitable for house, market, the heating in hotel and central air-conditioning temperature control, measure by door.Electrical actuator
It is mainly used in floor heating heating system, controls the closing and unlatching of pipeline, be applied particularly to water collecting and diversifying device branch road valve, pet-valve
Door, dynamic equilibrium valve electrical actuator electrical drive portion.
General electrical actuator include shell, the first spring, paraffin driver and stroke instruction frame, paraffin driver,
Spring and stroke instruction frame are respectively set inside the shell, and the first spring one end contradicts on paraffin driver, and the other end contradicts
Shell, stroke indicate valve rod of the frame with movable valve, and stroke instruction frame can be moved up and down along shell, interior after paraffin driver is powered
It is expanded after the paraffin in portion is heated, the extensible member of paraffin driver lower part is driven to stretch out, stroke indicates that the upper end of frame is contradicted flexible
On part, stroke instruction frame moves down under the drive of paraffin driver, so that valve be driven to open or close, wherein valve
On be provided with for driving stem reset second spring.Existing floor heating heating system is suppressed after installation is complete
Test, and needed at this time to several electrical actuator external power supplys, with the opening and closing of control valve, operation in this way can be comparatively laborious,
Working efficiency is low.
Utility model content
Therefore, the technical problem to be solved by the present invention is to overcome electrical actuator electric heating in the prior art to execute
Device external power supply just can be carried out and suppress test, lead to ineffective defect, thus provide do not need external power supply can be into
Row suppresses the electrical actuator of test.
For this purpose, the utility model provides a kind of electrical actuator, comprising:
Upper housing；
Stroke indicates frame structure, can be installed on up or down in the upper housing, and can drive with the valve rod of valve
Cooperation, to turn off or on the valve；
Manual actuation structure can drive the stroke instruction frame structure to move up and down under external force.
As a preferred embodiment, the manual actuation structure includes:
Knob, is sheathed on the upper housing, and can the relatively described upper housing move up and down, the middle part molding of the knob
There is the through-hole for allowing the stroke to indicate that frame structure is pierced by, is enclosed on the inner wall of the knob of the through-hole and forms down
Toothing；
Annular lug, takes shape in the end of the stroke instruction frame structure, and is oppositely arranged with the pawl structure, described
Knob is cooperated by the pawl structure and annular lug driving, to drive the stroke to indicate frame structure to far from described
The direction of valve moves.
As a preferred embodiment, the knob is connect with the outer wall thread of the upper housing.
As a preferred embodiment, the stroke instruction frame structure includes the stroke instruction frame being molded over, and molding
Under with the driving arm that connect of stroke instruction frame, the driving arm passes through first and is coupled structure and valve
The valve rod is detachably connected.
As a preferred embodiment, it described first is coupled structure and includes:
First through hole and the second through-hole, are set on the bottom plate of the driving arm, and are interconnected, second through-hole
Aperture be greater than the first through hole aperture；
Fixture block structure takes shape in the end of the valve rod, has the first fixture block for being inserted into the first through hole, described
First fixture block forms drive block far from the one end in stem body portion, and the diameter of the drive block is less than the hole of second through-hole
Diameter, and it is greater than the aperture of the first through hole, the diameter in the stem body portion is greater than the aperture of the first through hole.
As a preferred embodiment, the stroke instruction frame is connected by the first clamping structure and driving arm cooperation
It connects, first clamping structure includes:
Several card holes take shape on the side plate of the driving arm two sides；
First elastic arm takes shape in the bottom of stroke instruction frame, and extends to the driving arm direction, and described the
One elastic arm can flexible deformation, towards the side of the side plate form with the card hole cooperation clamping the second fixture block.
As a preferred embodiment, the installation being cooperatively connected with stroke instruction frame is fixedly installed in the upper housing
Bracket, the stroke instruction frame and the mounting bracket are enclosed the inner cavity for accommodating paraffin driver；
Wherein, the paraffin driver expands in the energized state, to drive the stroke to indicate frame to far from the valve
The direction movement of door.
As a preferred embodiment, forming in the mounting bracket allows the stroke to indicate that the first elastic arm of frame is worn
The jack entered, and the mounting bracket can be hindered with the multiple first convex blocks cooperation taken shape on the stroke instruction frame outer wall
Gear, to limit the position of the stroke instruction frame；Be provided between first convex block and the inner wall of the upper housing for
Stroke instruction frame is biased power, makes it to the bias piece mobile close to the valve direction.
It as a preferred embodiment, further include the lower case being connect by the second clamping structure with the upper housing, it is described
Lower case, which is formed, cooperates the internal screw thread being spirally connected with the external screw thread of the valve.
As a preferred embodiment, second clamping structure includes:
Card slot takes shape on the inner wall of the lower case；
Second elastic arm takes shape in the bottom of the upper housing, and extends to the lower case direction, second elasticity
Arm can flexible deformation, have with the card slot cooperation clamping third fixture block.
Technical solutions of the utility model have the advantages that
1. electrical actuator provided by the utility model, manual actuation structure driving trip can indicate under external force
Frame structure moves up and down, swift and convenient to operate without giving electrical actuator external power supply when suppressing test, improves work effect
Rate.
2. electrical actuator provided by the utility model, manual actuation structure includes: knob, is sheathed on upper housing, and energy
Enough opposite upper housings move up and down, and the through-hole for allowing stroke to indicate that frame structure is pierced by is formed in the middle part of knob, is enclosed logical
Pawl structure is formed on the inner wall of the knob in hole；Annular lug, take shape in stroke instruction frame structure end, and with pawl knot
Structure is oppositely arranged, and knob is cooperated by pawl structure and annular lug driving, indicates frame structure to far from valve with driving trip
Direction movement, the annular lug of the pawl structure of knob and stroke instruction frame cooperates, and structure is simple, and production cost is low.
3. the outer wall thread of electrical actuator provided by the utility model, knob and upper housing connects, by can be manually rotated
Knob, so that knob moves up and down with respect to upper housing, structure is simple.
4. electrical actuator provided by the utility model, since the driving arm of stroke instruction frame structure bottom end passes through first
The valve rod connection namely valve rod for being coupled structure and valve follow stroke instruction frame structure to move up and down, to turn off or on
Therefore valve eliminates the second spring resetted in the prior art for driving stem, electrical actuator with valve when installing
It is more laborsaving, it improves work efficiency, in addition, when the case where rubber and pipeline bonding connection for valve rod bottom end occur, stroke
Indicate that rubber of the frame structure also on energy band ovable valve stem is separated with pipeline, reliability is higher.
5. electrical actuator provided by the utility model, one to be coupled structure include: first through hole and the second through-hole, if
It is placed on the bottom plate of driving arm, and is interconnected, the aperture of the second through-hole is greater than the aperture of first through hole；Fixture block structure, at
Type has the first fixture block for being inserted into first through hole in the end of valve rod, the one end of the first fixture block far from stem body portion at
Type has a drive block, and the diameter of drive block and is greater than the aperture of first through hole less than the aperture of the second through-hole, stem body portion it is straight
Diameter is greater than the aperture of first through hole.When driving arm and valve rod are installed, valve rod is first inserted into the second through-hole, then mobile driving branch
Frame, after so that the first fixture block is entered first through hole, the bottom plate of driving arm can match with stem body portion and drive block driving respectively
It closes, is moved up and down with band ovable valve stem, the structure setting of above-mentioned valve rod and driving arm is simple, dismounts efficient and convenient.
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 that the electrical actuator of the utility model is mounted on the perspective view in diversity water lines；
Fig. 2 is the sectional view of Fig. 1；
Fig. 3 is the enlarged structure schematic diagram of part A in Fig. 2；
Fig. 4 is that stroke indicates frame structure, mounting bracket, the assembling structure schematic diagram of valve rod；
Fig. 5 is the configuration schematic diagram of Fig. 4；
Fig. 6 is the assembling structure schematic diagram of driving arm and valve rod；
Fig. 7 is the perspective view of driving arm；
Fig. 8 is the sectional view of valve.
Description of symbols: 1, upper housing；11, the second elastic arm；12, third fixture block；2, knob；21, pawl structure；
3, stroke indicates frame；30, annular lug；31, the first elastic arm；32, the second fixture block；33, the first convex block；34, bias piece；4, it drives
Dynamic bracket；40, bottom plate；41, first through hole；42, the second through-hole；43, side plate；44, card hole；5, mounting bracket；50, paraffin drives
Device；51, jack；6, valve；7, valve rod；71, the first fixture block；72, stem body portion；73, drive block；8, lower case；81, block
Slot.
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.
In addition, as long as technical characteristic involved in the utility model different embodiments disclosed below is each other
Not constituting conflict can be combined with each other.
Embodiment
The present embodiment provides a kind of electrical actuators, as shown in Figs. 1-3, comprising: upper housing 1；Stroke indicates frame structure, can
It is installed in the upper housing 1 up or down, and can drive and cooperate with the valve rod 7 of valve 6, to turn off or on the valve
Door 6；Manual actuation structure can drive the stroke instruction frame structure to move up and down under external force.When suppressing test,
It is swift and convenient to operate due to being not necessarily to give electrical actuator external power supply, it improves work efficiency.
The manual actuation structure includes: knob 2, is sheathed on the upper housing 1, and can be on the relatively described upper housing 1
Lower movement, the middle part of the knob 2 form the through-hole for allowing the stroke to indicate that frame structure is pierced by, are enclosed the through-hole
The knob 2 inner wall on form pawl structure 21；Annular lug 30 takes shape in the end of the stroke instruction frame structure
Portion, and be oppositely arranged with the pawl structure 21, the knob 2 is driven by the pawl structure 21 with the annular lug 30
Dynamic cooperation, to drive the stroke to indicate that frame structure is moved to the direction far from the valve 6.The pawl structure 21 of knob 2 with
Stroke indicates that the annular lug 30 of frame 3 cooperates, and structure is simple, and production cost is low.
The knob 2 is connect with the outer wall thread of the upper housing 1, by can be manually rotated knob 2, so that knob 2 is opposite
Upper housing 1 moves up and down, and structure is simple.
As shown in Figures 4 and 5, the stroke instruction frame structure includes the stroke instruction frame 3 being molded over, and is molded over down
With the driving arm 4 that connect of stroke instruction frame 3, stroke indicates that the top of frame 3 forms annular lug 30, the driving
Bracket 4 is coupled structure by first and the valve rod 7 of valve is detachably connected.Since stroke indicates frame structure bottom end
Driving arm 4 by first be coupled structure connect with the valve rod 7 of valve 6 namely valve rod 7 follow stroke instruction frame structure
It moves up and down, to turn off or on valve, therefore, eliminates the second spring resetted in the prior art for driving stem, electricity
Thermal actuator is more laborsaving when installing with valve, improves work efficiency, in addition, when there is the rubber and pipe of 7 bottom end of valve rod
When the case where road bonding connection, rubber of the stroke instruction frame structure also on energy band ovable valve stem 7 is separated with pipeline, and reliability is higher.
As shown in figs 6-8, described first to be coupled structure include: first through hole 41 and the second through-hole 42, is set to institute
It states on the bottom plate 40 of driving arm 4, and is interconnected, the aperture of second through-hole 42 is greater than the hole of the first through hole 41
Diameter；Fixture block structure takes shape in the end of the valve rod 7, has the first fixture block 71 for being inserted into the first through hole 41, described
First fixture block 71 forms drive block 73 far from the one end in stem body portion 72, and the diameter of the drive block 73 is less than described second
The aperture of through-hole 42, and it is greater than the aperture of the first through hole 41, it is logical that the diameter in the stem body portion 72 is greater than described first
The aperture in hole 41.When driving arm 4 and valve rod 7 are installed, valve rod 7 is first inserted into the second through-hole 42, then move driving arm 4, made
After first fixture block 71 enters first through hole 41, the bottom plate 40 of driving arm 4 can respectively with stem body portion 72 and drive block 73
Driving cooperation is moved up and down with band ovable valve stem 7, and the structure setting of above-mentioned valve rod 7 and driving arm 4 is simple, dismounts quick side
Just.
The stroke instruction frame 3 is cooperatively connected by the first clamping structure and the driving arm 4, the first clamping knot
Structure includes: several card holes 44, is taken shape on the side plate 43 of 4 two sides of driving arm；First elastic arm 31, takes shape in the row
Journey indicate frame 3 bottom, and to 4 direction of driving arm extend, first elastic arm 31 can flexible deformation, direction
The side of the side plate 43 forms the second fixture block 32 with the card hole 44 cooperation clamping.
The mounting bracket 5 being cooperatively connected with stroke instruction frame 3, the stroke are fixedly installed in the upper housing 1
Instruction frame 3 and the mounting bracket 5 are enclosed the inner cavity for accommodating paraffin driver 50；Wherein, the paraffin driver
50 expand in the energized state, to drive the stroke to indicate that frame 3 is moved to the direction far from the valve 6.
The jack 51 for allowing the stroke to indicate that the first elastic arm 31 of frame 3 penetrates is formed in the mounting bracket 5, and
The mounting bracket 5 can stop with multiple first convex blocks 33 cooperation taken shape on stroke instruction 3 outer wall of frame, to limit
The position of the stroke instruction frame 3；It is provided between first convex block 33 and the inner wall of the upper housing 1 for referring to stroke
Show that frame 3 is biased power, makes it to the bias piece 34 mobile close to 6 direction of valve.
Further include the lower case 8 being connect by the second clamping structure with the upper housing 1, the lower case 8 form with
The external screw thread of the valve 6 cooperates the internal screw thread being spirally connected.
As shown in figure 3, second clamping structure includes: card slot 81, take shape on the inner wall of the lower case 8；Second
Elastic arm 11 takes shape in the bottom of the upper housing 1, and extends to 8 direction of lower case, and second elastic arm 11 can
Flexible deformation has the third fixture block 12 with the card slot 81 cooperation clamping.
The course of work of electrical actuator is as follows:
When energization:
Paraffin in paraffin driver 50 expands after being heated in the energized state, and driving trip instruction frame 3 moves up, from
The through-hole at 1 top of upper housing stretches out, and stroke indicates 33 compressed spring of the first convex block of frame 3, meanwhile, stroke instruction frame 3 passes through drive
The drive block 73 of dynamic bracket 4 and valve rod 7 cooperates, and band ovable valve stem 7 moves up, and valve 6 is opened.
When power-off:
Paraffin in paraffin driver 50 is shunk in the power-off state, and spring releases energy, and is driven by the first convex block 33
Stroke instruction frame 3 moves down, and driving arm 4 and stem body portion 72 cooperate, and band ovable valve stem 7 moves up, and valve 6 is closed.
When manual operation:
Knob 2 is rotated, moves upwards it with respect to upper housing 1, the ring of pawl structure 21 and stroke the instruction frame 3 of knob 2
The driving cooperation of shape convex block 30, and then moved up by driving arm 4 with ovable valve stem 7, valve 6 is opened, at this point, spring puts aside energy
Amount；When rotation knob 2 is moved downward with respect to upper housing 1, spring releases energy, and passes through 33 driving trip of the first convex block and indicates frame
3 move down, and driving arm 4 and stem body portion 72 cooperate, and band ovable valve stem 7 moves up, and valve 6 is closed.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes among the protection scope created still in the utility model.
Claims (10)
1. a kind of electrical actuator, it is characterised in that: include:
Upper housing (1)；
Stroke indicates frame structure, can be installed on up or down in the upper housing (1), and can be with the valve rod (7) of valve (6)
Driving cooperation, to turn off or on the valve (6)；
Manual actuation structure can drive the stroke instruction frame structure to move up and down under external force.
2. electrical actuator according to claim 1, it is characterised in that: the manual actuation structure includes:
Knob (2) is sheathed on the upper housing (1), and the upper housing (1) can be moved up and down relatively, the knob (2)
Middle part forms the through-hole for allowing the stroke to indicate that frame structure is pierced by, and is enclosed the interior of the knob (2) of the through-hole
Pawl structure (21) are formed on wall；
Annular lug (30), takes shape in the end of the stroke instruction frame structure, and is oppositely arranged with the pawl structure (21),
The knob (2) is cooperated by the pawl structure (21) and the annular lug (30) driving, to drive the stroke to indicate
Frame structure is moved to the direction far from the valve (6).
3. electrical actuator according to claim 2, it is characterised in that: the knob (2) is outer with the upper housing (1)
Wall is threadedly coupled.
4. electrical actuator according to any one of claim 1-3, it is characterised in that: the stroke indicates frame structure packet
Stroke instruction frame (3) being molded over is included, and is molded over the lower driving arm (4) for indicating that frame (3) are connect with the stroke,
The driving arm (4) is coupled structure by first and the valve rod (7) of valve (6) is detachably connected.
5. electrical actuator according to claim 4, it is characterised in that: described first, which is coupled structure, includes:
First through hole (41) and the second through-hole (42), are set on the bottom plate (40) of the driving arm (4), and are interconnected,
The aperture of second through-hole (42) is greater than the aperture of the first through hole (41)；
Fixture block structure takes shape in the end of the valve rod (7), has the first fixture block for being inserted into the first through hole (41)
(71), first fixture block (71) forms drive block (73) far from the one end of stem body portion (72), the drive block (73)
Diameter be less than second through-hole (42) aperture, and be greater than the first through hole (41) aperture, the stem body portion
(72) diameter is greater than the aperture of the first through hole (41).
6. electrical actuator according to claim 5, it is characterised in that: stroke instruction frame (3) passes through the first clamping
Structure and the driving arm (4) are cooperatively connected, and first clamping structure includes:
Several card holes (44) take shape on the side plate (43) of the driving arm (4) two sides；
First elastic arm (31) takes shape in the bottom of stroke instruction frame (3), and extends to the driving arm (4) direction,
First elastic arm (31) can flexible deformation, form towards the side of the side plate (43) and match with the card hole (44)
Close the second fixture block (32) of clamping.
7. electrical actuator according to claim 5 or 6, it is characterised in that: be fixedly installed in the upper housing (1) with
The mounting bracket (5) that stroke instruction frame (3) is cooperatively connected, stroke instruction frame (3) and the mounting bracket (5) enclose
Form the inner cavity for accommodating paraffin driver (50)；
Wherein, the paraffin driver (50) expands in the energized state, to drive stroke instruction frame (3) to far from described
The direction of valve (6) moves.
8. electrical actuator according to claim 7, it is characterised in that: forming on the mounting bracket (5) allows institute
State the jack (51) that penetrates of the first elastic arm (31) of stroke instruction frame (3), and the mounting bracket (5) can with take shape in institute
Multiple first convex blocks (33) cooperation stated on stroke instruction frame (3) outer wall stops, to limit the position of stroke instruction frame (3)
It sets；It is provided between first convex block (33) and the inner wall of the upper housing (1) for being biased to stroke instruction frame (3)
Power makes it to the bias piece (34) mobile close to the valve (6) direction.
9. electrical actuator according to claim 8, it is characterised in that: further include by the second clamping structure and it is described on
The lower case (8) of shell (1) connection, the lower case (8), which forms, cooperates the interior spiral shell being spirally connected with the external screw thread of the valve (6)
Line.
10. electrical actuator according to claim 9, it is characterised in that: second clamping structure includes:
Card slot (81), takes shape on the inner wall of the lower case (8)；
Second elastic arm (11), takes shape in the bottom of the upper housing (1), and extends to the lower case (8) direction, and described the
Two elastic arms (11) can flexible deformation, have with the card slot (81) cooperation clamping third fixture block (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822220415.6U CN209196230U (en) | 2018-12-27 | 2018-12-27 | A kind of electrical actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822220415.6U CN209196230U (en) | 2018-12-27 | 2018-12-27 | A kind of electrical actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209196230U true CN209196230U (en) | 2019-08-02 |
Family
ID=67430526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822220415.6U Active CN209196230U (en) | 2018-12-27 | 2018-12-27 | A kind of electrical actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209196230U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118209767A (en) * | 2024-05-21 | 2024-06-18 | 山东晟昆电力设备有限公司 | Outdoor high-safety electric energy metering box |
-
2018
- 2018-12-27 CN CN201822220415.6U patent/CN209196230U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118209767A (en) * | 2024-05-21 | 2024-06-18 | 山东晟昆电力设备有限公司 | Outdoor high-safety electric energy metering box |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209196230U (en) | A kind of electrical actuator | |
| CN105751887A (en) | Blind window opened and closed through temperature control and engine compartment structure | |
| CN102436960A (en) | Heating device of sulfur hexafluoride used in low-temperature areas | |
| CN209263149U (en) | A kind of electrical actuator | |
| CN109882635A (en) | A kind of intelligent temperature control innervalve assembly | |
| CN101881483A (en) | Water divider temperature control system with antifreezing function | |
| CN203718992U (en) | Thermal shroud for air conditioner outdoor unit | |
| CN106482402A (en) | The control method of refrigerant controller, heat-exchange system and this refrigerant controller | |
| CN215597414U (en) | Electric heating actuator | |
| CN208237158U (en) | A kind of automatic drain valve, fan coil units and air conditioner | |
| CN109027343A (en) | A kind of three-way magnetic valve | |
| CN101655304A (en) | Method for using magnetic-sensing temperature switch in refrigerator | |
| CN112467244A (en) | High heat dissipation battery box for new energy automobile | |
| CN217056535U (en) | Air conditioner electromagnetic valve assembly with tri-state pressure switch | |
| CN203051929U (en) | Common electric heat actuator | |
| CN204267748U (en) | Motorcycle secondary suction valve | |
| CN102226583B (en) | Balcony wall-mounted solar water heater | |
| CN205573612U (en) | Shutter that control by temperature change was opened and shut and start unit room structure | |
| CN208204147U (en) | A kind of gas thermostatic control valve | |
| CN201126028Y (en) | Heating temperature control electromagnetic valve | |
| CN211649227U (en) | Mounting bracket of motor valve of intelligent gas meter | |
| CN2767229Y (en) | Warm water valve of automobile air-conditioner | |
| CN215763588U (en) | Wireless control electric heating actuator | |
| CN202790806U (en) | Self-check intelligent electric ball valve system | |
| CN114577294B (en) | Intelligent water meter with winter anti-freezing structure and method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |