CN114877566A - Adjustable casing based on heat pump uses - Google Patents
Adjustable casing based on heat pump uses Download PDFInfo
- Publication number
- CN114877566A CN114877566A CN202210791293.4A CN202210791293A CN114877566A CN 114877566 A CN114877566 A CN 114877566A CN 202210791293 A CN202210791293 A CN 202210791293A CN 114877566 A CN114877566 A CN 114877566A
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- Prior art keywords
- shell
- seat
- casing
- heat pump
- screw rod
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/06—Heat pumps characterised by the source of low potential heat
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention is suitable for the technical field of heat pump shells, and provides an adjustable shell based on heat pump use, which comprises a first shell and a second shell, wherein mounting grooves are formed in the first shell and the second shell, a third shell is movably arranged in the mounting grooves, and a connecting seat is fixedly arranged on the side wall of the third shell, and the adjustable shell further comprises: the adjusting mechanism comprises a driving assembly, a connecting piece, a screw rod, a movable seat, a fixed seat and an elastic telescopic piece. According to the adjustable shell used based on the heat pump, the adjusting mechanism can realize the two-stage expansion of the internal space of the shell, and ensures that components with other power can be installed in the shell, so that the practicability of the shell is improved, the adjustable shell is suitable for the installation of most heat pump components, the production economic cost of the heat pump is reduced, and the waste of resources is reduced.
Description
Technical Field
The invention belongs to the technical field of heat pump shells, and particularly relates to an adjustable shell based on a heat pump.
Background
A heat pump is a device that transfers heat energy from a low-level heat source to a high-level heat source. The working principle of the heat pump is that heat is forced to flow from a low-temperature object to a high-temperature object in a reverse circulation mode, and the heat pump can obtain larger heat supply amount only by consuming a small amount of reverse circulation net work, and can effectively utilize low-level heat energy which is difficult to apply, thereby achieving the purpose of energy conservation. The heat pump is divided into the following according to different types of heat sources: air source heat pump, water source heat pump, ground source heat pump, and dual source heat pump (combination of water source heat pump and air source heat pump). The operation principle of the heat pump is the same as that of the refrigeration system, and the heat pump is mostly composed of an evaporator, a condenser, a compressor, an expansion valve and a housing.
The shell of the existing heat pump is mostly a specially-made sheet metal part, the sheet metal part is calculated and drawn by software according to the required space and requirements in the heat pump, the sheet metal part is processed and produced to a finished product by a processing center, and finally a fixing screw or a fixing bolt is matched, so that a sheet metal shell required by the heat pump is obtained; the shell of the existing heat pump is specially made and only suitable for the heat pump with specific power and can not be used for the heat pump with other power, so that the heat pumps with different power need special shells to meet the installation of heat pump components, the manufacturing economic cost of the heat pump is increased, the shells of the heat pumps are eliminated after the heat pumps are eliminated, the heat pumps can not be suitable for the heat pumps with other power, and the resource waste is further caused.
Therefore, in view of the above situation, there is a need to develop an adjustable housing based on heat pump to overcome the shortcomings of the current practical application.
Disclosure of Invention
In view of the defects in the prior art, an object of the embodiments of the present invention is to provide an adjustable casing based on a heat pump, so as to solve the above problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an adjustable casing based on heat pump uses, includes first casing and second casing, the mounting groove has all been seted up in first casing and the second casing, the mounting groove internalization is provided with the third casing, the fixed connecting seat that is provided with on the lateral wall of third casing still includes:
the adjusting mechanism comprises a driving assembly, a connecting piece, a screw rod, a movable seat, a fixed seat and an elastic telescopic piece, wherein the driving assembly is arranged in the first shell, the output end of the driving assembly is connected with the screw rod through the connecting piece, the screw rod is arranged on the inner wall of the first shell, the movable seat is connected with the fixed seat through the elastic telescopic piece, the fixed seat is fixed on the inner wall of the second shell, and the fixed seat is in threaded connection with the screw rod;
the driving assembly drives the connecting piece to rotate, the connecting piece drives the screw rod to rotate, the screw rod drives the fixed seat to move, the fixed seat drives the movable seat to move through the elastic expansion piece while driving the second shell to move, the movable seat drives the connecting seat to move, the connecting seat drives one end of the third shell to move out of a mounting groove formed in the first shell, and the third shell realizes first-stage adjustment of the size in the heat pump shell in a moving mode;
after the third shell moves to the maximum stroke, the fixing seat continues to drive the second shell to move, the second shell drives the other end of the third shell to move out of the mounting groove formed in the second shell, and the second shell adjusts the size of the heat pump shell in a second stage in a moving mode.
As a further technical scheme, the driving assembly comprises a driving piece, a transmission module, a rotating shaft, a worm wheel and a worm, the driving piece is arranged in the first shell, the output end of the driving piece is connected with the transmission module, one end of the transmission module is fixedly connected with the rotating shaft, two ends of the rotating shaft are fixedly connected with the worm wheel, the worm wheel is meshed with the worm, and one end of the worm is connected with the screw rod through a connecting piece.
As a further technical scheme, the connecting piece is composed of two groups of cylinders with different sizes, connecting grooves are formed in two ends of the connecting piece, and the connecting grooves are respectively clamped with the worm and the screw.
As a further technical scheme, through grooves are formed in the connecting seat corresponding to the positions of the elastic expansion piece and the screw rod, and the inner diameter size of each through groove is larger than the outer diameter size of each elastic expansion piece and the outer diameter size of each screw rod.
As a further technical solution of the present invention, the third housing is distributed with a slot, the slot is matched with a clamping mechanism, the clamping mechanism is disposed on the movable seat, and the clamping mechanism is used for clamping and fixing the movable seat and the third housing.
As a further technical scheme of the present invention, the clamping mechanism includes a power member, a rotating seat, a moving seat, a clamping member and a mounting seat, the power member is fixed on the moving seat, an output end of the power member is fixedly connected with the rotating seat, the rotating seat is movably connected with the moving seat, the moving seat is fixedly connected with one end of the clamping member, the other end of the clamping member penetrates through the mounting seat and is movably connected with the clamping groove, and the mounting seat is also fixed on the moving seat.
As a further technical scheme of the invention, a stirring piece is eccentrically arranged on the rotating seat, one end of the stirring piece extends into a stirring groove formed in the moving seat, and the stirring piece is movably connected with the inner wall of the stirring groove.
Compared with the prior art, the invention has the beneficial effects that:
the driving piece drives the transmission module to rotate, the transmission module drives the rotating shaft to rotate, the rotating shaft drives the worm wheel to rotate, the worm wheel drives the worm to rotate, the worm drives the screw rod to rotate through the connecting piece, the screw rod drives the fixed seat to move, the fixed seat drives the movable seat to move through the elastic expansion piece while driving the second shell to move, the movable seat moves to the bottom of the connecting seat, so that the movable seat drives the connecting seat to move, the connecting seat drives one end of the third shell to move out of a mounting groove formed in the first shell, at the moment, the other end of the third shell is still located in the second shell, the third shell realizes first-stage adjustment of the size in the heat pump shell in a moving mode, at the moment, the size in the heat pump shell is adjusted through the movement of the third shell, components with other powers can be installed in the shell, and the practicability of the shell is improved;
after the one end of third casing removed to the biggest stroke, the fixing base continues to drive the second casing and removes, outside the other end that the second casing drove the third casing shifted out the mounting groove that sets up in the second casing, elastic expansion spare was in tensile state this moment, the second casing realizes adjusting the second stage of heat pump casing internal size through the mode that removes, first casing and third casing all are in quiescent condition this moment, the second casing is in the mobile state, further enlarge the inner space of casing, and then realize the multiple use nature of casing, be applicable to the installation of most heat pump parts, reduce the production economic cost of heat pump, reduce the waste of resource.
To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is a structural sectional view of an adjustable casing for a heat pump according to an embodiment of the present invention.
Fig. 2 is a side view in cross-section of the structure of fig. 1.
Fig. 3 is an enlarged schematic view of a cross-sectional structure at a in fig. 1.
Fig. 4 is an enlarged schematic view of a structural section at B in fig. 1.
Fig. 5 is a perspective view of the movable base of fig. 4.
Reference numerals: 1-a first shell, 2-a second shell, 3-a mounting groove, 4-a third shell, 5-a clamping groove, 6-a connecting seat, 7-an adjusting mechanism, 71-a driving component, 711-a driving component, 712-a transmission module, 713-a rotating shaft, 714-a worm wheel, 715-a worm, 72-a connecting component, 73-a screw rod, 74-a movable seat, 75-a fixed seat, 76-an elastic telescopic component, 8-a clamping mechanism, 81-a power component, 82-a rotating seat, 821-a toggle component, 83-a movable seat, 831-a toggle groove, 84-a clamping component and 85-a mounting seat.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 1 to 3, an adjustable casing used based on a heat pump according to an embodiment of the present invention includes a first casing 1 and a second casing 2, each of the first casing 1 and the second casing 2 has a mounting groove 3 therein, a third casing 4 is movably disposed in the mounting groove 3, and a connecting seat 6 is fixedly disposed on a side wall of the third casing 4, and further includes:
the adjusting mechanism 7 comprises a driving assembly 71, a connecting piece 72, a screw 73, a movable seat 74, a fixed seat 75 and an elastic telescopic piece 76, wherein the driving assembly 71 is arranged in the first shell 1, the output end of the driving assembly 71 is connected with the screw 73 through the connecting piece 72, the screw 73 is arranged on the inner wall of the first shell 1, the movable seat 74 is connected with the fixed seat 75 through the elastic telescopic piece 76, the fixed seat 75 is fixed on the inner wall of the second shell 2, and the fixed seat 75 is in threaded connection with the screw 73;
the driving assembly 71 drives the connecting piece 72 to rotate, the connecting piece 72 drives the screw rod 73 to rotate, the screw rod 73 drives the fixed seat 75 to move, the fixed seat 75 drives the movable seat 74 to move through the elastic telescopic piece 76 while the fixed seat 75 drives the second shell 2 to move, the movable seat 74 drives the connecting seat 6 to move, the connecting seat 6 drives one end of the third shell 4 to move out of the mounting groove 3 arranged in the first shell 1, and the third shell 4 realizes first-stage adjustment of the size in the heat pump shell in a moving mode;
after the third casing 4 moves to the maximum stroke, the fixing seat 75 continues to drive the second casing 2 to move, the second casing 2 drives the other end of the third casing 4 to move out of the mounting groove 3 arranged in the second casing 2, and the second casing 2 realizes the second-stage adjustment of the size in the heat pump casing in a moving mode.
In this embodiment, adjustment mechanism 7 can realize carrying out the extension of dual stage to casing inner space, guarantees that the part of other powers can install to in the casing, improves the practicality of casing, is applicable to the installation of most of heat pump parts, reduces the production economic cost of heat pump, reduces the waste of resource.
As shown in fig. 1 and 2, as a preferred embodiment of the present invention, the driving assembly 71 includes a driving member 711, a transmission module 712, a rotating shaft 713, a worm wheel 714 and a worm 715, the driving member 711 is disposed in the first housing 1, an output end of the driving member 711 is connected to the transmission module 712, one end of the transmission module 712 is fixedly connected to the rotating shaft 713, both ends of the rotating shaft 713 are fixedly connected to the worm wheel 714, the worm wheel 714 is engaged with the worm 715, and one end of the worm 715 is connected to the screw 73 through a connecting member 72.
As shown in fig. 1 and 2, as a preferred embodiment of the present invention, the connecting member 72 is composed of two sets of cylinders with different sizes, and two ends of the connecting member 72 are respectively provided with a connecting groove, and the connecting grooves are respectively clamped with the worm 715 and the screw 73.
As shown in fig. 1, as a preferred embodiment of the present invention, through grooves are formed on the connecting seat 6 at positions corresponding to the elastic expansion member 76 and the screw rod 73, and the inner diameter of each through groove is larger than the outer diameter of each elastic expansion member 76 and the outer diameter of each screw rod 73.
In this embodiment, the driving component 711 drives the transmission module 712 to rotate, the transmission module 712 drives the rotation shaft 713 to rotate, the rotation shaft 713 drives the worm wheel 714 to rotate, the worm wheel 714 drives the worm 715 to rotate, the worm 715 drives the screw 73 to rotate through the connecting component 72, the screw 73 drives the fixed seat 75 to move, while the fixed seat 75 drives the second housing 2 to move, the fixed seat 75 drives the movable seat 74 to move through the elastic expansion component 76, the movable seat 74 moves to the bottom of the connecting seat 6, so that the movable seat 74 drives the connecting seat 6 to move, the connecting seat 6 drives one end of the third housing 4 to move out of the mounting groove 3 provided in the first housing 1, at this time, the other end of the third housing 4 is still in the second housing 2, the third housing 4 realizes the first stage adjustment of the size in the heat pump housing by moving, at this time, the size in the heat pump housing is adjusted by moving the third housing 4, the components with other power can be arranged in the shell, so that the practicability of the shell is improved;
after one end of the third casing 4 moves to the maximum stroke, the fixing seat 75 continues to drive the second casing 2 to move, the other end of the second casing 2 driving the third casing 4 moves out of the mounting groove 3 arranged in the second casing 2, at the moment, the elastic expansion piece 76 is in a stretching state, the second casing 2 realizes second-stage adjustment of the size in the heat pump casing through a moving mode, at the moment, the first casing 1 and the third casing 4 are both in a static state, the second casing 2 is in a moving state, the inner space of the casing is further enlarged, the versatility of the casing is further realized, the heat pump casing is suitable for installation of most heat pump parts, the production economic cost of a heat pump is reduced, and the waste of resources is reduced.
In a preferred embodiment, the driving member 711 is preferably a servo motor, and the driving member 711 may also be a non-electric driving member such as a rotating handwheel, so as to reduce the manufacturing cost of the housing;
the transmission module 712 preferably adopts a belt transmission structure;
the connecting piece 72 preferably adopts a columnar structure consisting of two groups of columns;
the elastic expansion member 76 is preferably an elastic expansion structure consisting of an expansion link and a spring.
As shown in fig. 1 and 4, as a preferred embodiment of the present invention, a clamping groove 5 is distributed on the third housing 4, the clamping groove 5 is matched with a clamping mechanism 8, the clamping mechanism 8 is disposed on the movable seat 74, and the clamping mechanism 8 is used for clamping and fixing the movable seat 74 and the third housing 4.
As shown in fig. 4 and 5, as a preferred embodiment of the present invention, the engaging mechanism 8 includes a power member 81, a rotating seat 82, a moving seat 83, an engaging member 84, and a mounting seat 85, the power member 81 is fixed on the moving seat 74, an output end of the power member 81 is fixedly connected to the rotating seat 82, the rotating seat 82 is movably connected to the moving seat 83, the moving seat 83 is fixedly connected to one end of the engaging member 84, the other end of the engaging member 84 penetrates through the mounting seat 85 and is movably connected to the card slot 5, and the mounting seat 85 is also fixed on the moving seat 74.
As shown in fig. 4 and 5, as a preferred embodiment of the present invention, a toggle member 821 is eccentrically disposed on the rotating base 82, one end of the toggle member 821 extends into a toggle groove 831 formed on the moving base 83, and the toggle member 821 is movably connected to an inner wall of the toggle groove 831.
In this embodiment, the power component 81 drives the rotating seat 82 to rotate, the rotating seat 82 drives the stirring component 821 to rotate, the stirring component 821 drives the moving seat 83 to move through the stirring groove 831, the moving seat 83 drives the clamping component 84 to move on the installation seat 85, the clamping component 84 is moved through a moving mode, so that the separation and the connection with the clamping groove 5 are realized, when the clamping component 84 is connected with the clamping groove 5, the moving seat 74 is matched with the fixing seat 75, the third shell 4 can be limited and fixed, the overall stability of the heat pump shell is improved, when the clamping component 84 is separated from the clamping groove 5, the third shell 4 can be normally moved at the moment, so that the inner space of the shell is adjusted, and the stability and the practicability of the shell are improved.
In a preferred embodiment, the power element 81 is preferably a servo motor, and the power element 81 can also be a non-electric driving part such as a rotating hand wheel, so that the manufacturing cost of the shell is reduced;
the toggle member 821 is preferably a rod-like structure;
the engaging member 84 is preferably a columnar structure.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The utility model provides an adjustable casing based on heat pump uses, includes first casing and second casing, the mounting groove has all been seted up in first casing and the second casing, the mounting groove internalization is provided with the third casing, the fixed connecting seat that is provided with on the lateral wall of third casing, its characterized in that still includes:
the adjusting mechanism comprises a driving assembly, a connecting piece, a screw rod, a movable seat, a fixed seat and an elastic telescopic piece, wherein the driving assembly is arranged in the first shell, the output end of the driving assembly is connected with the screw rod through the connecting piece, the screw rod is arranged on the inner wall of the first shell, the movable seat is connected with the fixed seat through the elastic telescopic piece, the fixed seat is fixed on the inner wall of the second shell, and the fixed seat is in threaded connection with the screw rod;
the driving assembly drives the connecting piece to rotate, the connecting piece drives the screw rod to rotate, the screw rod drives the fixed seat to move, the fixed seat drives the movable seat to move through the elastic expansion piece while driving the second shell to move, the movable seat drives the connecting seat to move, the connecting seat drives one end of the third shell to move out of a mounting groove formed in the first shell, and the third shell realizes first-stage adjustment of the size in the heat pump shell in a moving mode;
after the third shell moves to the maximum stroke, the fixing seat continues to drive the second shell to move, the second shell drives the other end of the third shell to move out of the mounting groove formed in the second shell, and the second shell achieves second-stage adjustment of the size in the heat pump shell in a moving mode.
2. The adjustable casing based on heat pump use of claim 1, characterized in that the driving assembly comprises a driving member, a transmission module, a rotating shaft, a worm wheel and a worm, the driving member is disposed in the first casing, an output end of the driving member is connected with the transmission module, one end of the transmission module is fixedly connected with the rotating shaft, two ends of the rotating shaft are fixedly connected with the worm wheel, the worm wheel is meshed with the worm, and one end of the worm is connected with the screw rod through a connecting member.
3. The adjustable casing that is based on heat pump use of claim 2, characterized in that, the connecting piece comprises two sets of cylinders with different sizes, and the connecting groove has been seted up at both ends of connecting piece, the connecting groove respectively with worm and screw rod joint.
4. The adjustable casing based on heat pump use of claim 1, wherein through grooves are formed in the connecting seat corresponding to the positions of the elastic expansion piece and the screw rod, and the inner diameter of each through groove is larger than the outer diameter of each elastic expansion piece and the outer diameter of each screw rod.
5. The adjustable casing based on heat pump use of claim 1, wherein a clamping groove is distributed on the third casing, the clamping groove is matched with a clamping mechanism, the clamping mechanism is arranged on the movable seat, and the clamping mechanism is used for clamping and fixing the movable seat and the third casing.
6. The adjustable shell used according to claim 5, wherein the locking mechanism comprises a power member, a rotating seat, a moving seat, a locking member and a mounting seat, the power member is fixed on the movable seat, the output end of the power member is fixedly connected with the rotating seat, the rotating seat is movably connected with the moving seat, the moving seat is fixedly connected with one end of the locking member, the other end of the locking member penetrates through the mounting seat and is movably connected with the clamping groove, and the mounting seat is also fixed on the movable seat.
7. The adjustable shell used for the heat pump according to claim 6, wherein a stirring member is eccentrically arranged on the rotating seat, one end of the stirring member extends into a stirring groove formed in the moving seat, and the stirring member is movably connected with the inner wall of the stirring groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210791293.4A CN114877566B (en) | 2022-07-07 | 2022-07-07 | Adjustable casing based on heat pump uses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210791293.4A CN114877566B (en) | 2022-07-07 | 2022-07-07 | Adjustable casing based on heat pump uses |
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| Publication Number | Publication Date |
|---|---|
| CN114877566A true CN114877566A (en) | 2022-08-09 |
| CN114877566B CN114877566B (en) | 2022-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210791293.4A Active CN114877566B (en) | 2022-07-07 | 2022-07-07 | Adjustable casing based on heat pump uses |
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| CN103151219A (en) * | 2011-12-07 | 2013-06-12 | 大连理工大学 | Three-stable-state bi-directional crash sensor with threshold values adjustable |
| CN206743759U (en) * | 2017-05-20 | 2017-12-12 | 上海鼓得电子科技有限公司 | A kind of adjustable robot radiating supporting construction |
| CN207515247U (en) * | 2017-11-17 | 2018-06-19 | 广州光海热泵科技有限公司 | A kind of heat pump hot-water system care device |
| CN111648058A (en) * | 2020-06-24 | 2020-09-11 | 新沂市北沟镇福利厂 | Sewing machine frame with adjustable height |
| CN112505921A (en) * | 2019-09-16 | 2021-03-16 | 苹果公司 | Head-mounted device with adjusting mechanism |
| CN213810838U (en) * | 2020-11-06 | 2021-07-27 | 天津好为节能环保科技发展有限公司 | Heat pump heating system for underground water |
| CN215260740U (en) * | 2021-05-19 | 2021-12-21 | 天津市津能滨海热电有限公司 | Support frame for heat pump heat supply |
| CN215864055U (en) * | 2021-06-18 | 2022-02-18 | 辽宁东戴河新区秦汉新能源科技有限公司 | Heat pump integrated hydraulic module |
-
2022
- 2022-07-07 CN CN202210791293.4A patent/CN114877566B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103151219A (en) * | 2011-12-07 | 2013-06-12 | 大连理工大学 | Three-stable-state bi-directional crash sensor with threshold values adjustable |
| CN206743759U (en) * | 2017-05-20 | 2017-12-12 | 上海鼓得电子科技有限公司 | A kind of adjustable robot radiating supporting construction |
| CN207515247U (en) * | 2017-11-17 | 2018-06-19 | 广州光海热泵科技有限公司 | A kind of heat pump hot-water system care device |
| CN112505921A (en) * | 2019-09-16 | 2021-03-16 | 苹果公司 | Head-mounted device with adjusting mechanism |
| CN111648058A (en) * | 2020-06-24 | 2020-09-11 | 新沂市北沟镇福利厂 | Sewing machine frame with adjustable height |
| CN213810838U (en) * | 2020-11-06 | 2021-07-27 | 天津好为节能环保科技发展有限公司 | Heat pump heating system for underground water |
| CN215260740U (en) * | 2021-05-19 | 2021-12-21 | 天津市津能滨海热电有限公司 | Support frame for heat pump heat supply |
| CN215864055U (en) * | 2021-06-18 | 2022-02-18 | 辽宁东戴河新区秦汉新能源科技有限公司 | Heat pump integrated hydraulic module |
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| CN114877566B (en) | 2022-10-14 |
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