Tightly-connected thermostat electric heating push rod
By introducing a heating ring and nickel-titanium alloy memory material into the electric heating push rod of the electronic thermostat, the problems of low thermal conductivity and inconvenient installation are solved, achieving the effects of rapid response and convenient maintenance.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-26
- Publication Date
- 2026-03-27
AI Technical Summary
Existing electronic thermostat heating actuators have limited thermal conductivity, slow response speed, small displacement, and are inconvenient to install and maintain.
The design employs a heating ring and nickel-titanium alloy shape memory material. The heating ring heats the shape memory material, causing it to deform and drive the piston rod to move. Combined with the design of the limiting plate and sealing cover, the installation and disassembly process is simplified.
It improves response efficiency and displacement, simplifies the installation and disassembly process, and facilitates maintenance and replacement.
Smart Images

Figure CN224049294U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of electric heat push rod, specifically to a close connection's thermostat electric heat push rod. BACKGROUND
[0002] The electronic thermostat plays a very key role in the automobile engine cooling system, which maintains the engine running in the appropriate working temperature range by accurately controlling the circulating path and flow of the cooling liquid, and the electric heat push rod for the electronic thermostat is one of the core components to realize this accurate control, which can push the thermostat valve to open or close according to the working condition requirement of the engine, and then adjust the flow direction and flow of the cooling liquid.
[0003] Through retrieval, the application book with patent announcement number CN217825408U discloses a toggle switch, which comprises a push rod, the push rod is a hollow pipe structure with one open end, and the push rod has a flange at the open end, the push rod is provided with a flange at the flange, the push rod is provided with a heating element, the open end of the push rod is formed by pipe stamping, and the other end of the push rod is sealed by a stainless steel sealing element. The push rod is filled with heat transfer powder, which adopts a rod structure, improves the service life, and reduces the cost;
[0004] However, due to the heating by magnesium oxide rod and electric heating wire, the thermal conductivity is limited, the response speed is slow, the displacement is small, the use effect is poor, and at the same time, due to the setting of the push rod, when the internal components are damaged, it is not convenient to replace and maintain them, and the installation and disassembly are not convenient.
[0005] Therefore, we propose a close connection's thermostat electric heat push rod. CONTENT OF THE UTILITY MODEL
[0006] In view of the defects of the prior art, the utility model provides a close connection's thermostat electric heat push rod, which solves the problems of poor use effect and inconvenient installation and disassembly of the prior art.
[0007] In order to achieve the above purpose, the utility model realizes the following technical scheme: a close connection's thermostat electric heat push rod, comprising a thermostat body, the bottom surface of the thermostat body is fixedly installed with a push rod shell with appropriate specifications;
[0008] The inner wall of the push rod shell is fixedly provided with opposite fixed sleeves, the bottom surface of the fixed sleeve is provided with an annular heating groove, the heating groove is assembled with a ring-shaped heating ring with appropriate size, the inner wall of the fixed sleeve is assembled with a memory material with appropriate size, the memory material is made of nickel-titanium alloy material, the push rod shell is slidably connected with a piston rod with appropriate size, the bottom end of the piston rod is in contact with the memory material, the top end of the piston rod is fixedly provided with a push plate, the bottom surface of the push rod shell is assembled with a sealing cover with appropriate size, and the bottom surface and the top surface of the sealing cover are respectively assembled with a wire port A and a wire port B with appropriate size.
[0009] The bottom surface of the fixed sleeve is assembled with a limiting plate with appropriate size, the bottom surface of the limiting plate is provided with four groups of opposite mounting holes A, the bottom surface of the fixed sleeve is provided with a mounting hole B with appropriate size, and the bottom surface of the push rod shell is provided with four groups of opposite screw holes A.
[0010] Preferably, the bottom surface of the limiting plate is provided with a threading hole opposite to the heating groove, so that the high-temperature wire can be connected with the heating ring.
[0011] Preferably, the outer wall of the thermostat body is assembled with a transmission contact with appropriate size, so that the thermostat can be connected with other elements.
[0012] Preferably, the top surface of the thermostat body is fixedly provided with a mounting plate, and the top surface of the mounting plate is provided with four groups of opposite threaded holes, so that the thermostat can be installed on the vehicle.
[0013] Preferably, the heating ring and the wire port B are assembled with a high-temperature wire with appropriate size, so that the high-temperature resistance of the electric wire is improved, and the service life is improved.
[0014] Preferably, the inner wall of the fixed sleeve is made of copper heat-conducting material, so that the efficiency and effect of heating the memory material by the heating ring are improved.
[0015] 1. The tightly connected thermostat electric heating push rod is characterized in that the heating ring, the memory material and the piston rod are arranged, the memory material of nickel-titanium alloy is heated to a preset shape and deformed to push and move the piston rod, the response efficiency is fast, the displacement amount is large, the device can be used in precision electronic equipment, and the use effect is good.
[0016] 2、At the same time through the installation hole A and the screw hole A setting, the installation hole A and the installation hole B can facilitate the installation of the limiting plate on the bottom surface of the fixed sleeve, the limiting plate can limit the heating ring and the memory material, the screw hole A and the screw hole B can facilitate the installation of the sealing cover on the bottom surface of the push rod shell, simple installation and disassembly, convenient for later maintenance and replacement. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is the overall structure schematic view of the utility model;
[0018] Figure 2 It is the structure schematic view of the push rod shell of the utility model;
[0019] Figure 3 It is the structure schematic view of the sealing cover of the utility model;
[0020] Figure 4 It is the structure schematic view of the limiting plate of the utility model;
[0021] Figure 5 It is the structure schematic view of the fixed sleeve of the utility model.
[0022] In the drawing: 1, thermostat body; 2, push rod shell; 3, fixed sleeve; 4, heating groove; 5, memory material; 6, sealing cover; 7, wiring port A; 8, wiring port B; 9, limiting plate; 10, installation hole A; 11, installation hole B; 12, screw hole A; 13, screw hole B; 14, piston rod; 15, push plate; 16, threading hole; 17, transmission contact; 18, mounting plate; 19, threaded hole. DETAILED DESCRIPTION
[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.
[0024] Embodiment 1: as Figures 1-5The inner wall of the push rod shell 2 is fixedly provided with opposite fixed sleeves 3, the bottom surface of the fixed sleeve 3 is provided with an annular heating groove 4, the heating groove 4 is assembled with a ring-shaped heating ring with a matching size, the inner wall of the fixed sleeve 3 is assembled with a memory material 5 with a matching size, the memory material 5 is made of a nickel-titanium alloy material, the push rod shell 2 is slidably connected with a piston rod 14 with a matching size, the bottom end of the piston rod 14 is in contact with the memory material 5, the top end of the piston rod 14 is fixedly provided with a push plate 15, the bottom surface of the push rod shell 2 is assembled with a sealing cover 6 with a matching size, the bottom surface and the top surface of the sealing cover 6 are respectively assembled with a wire port A 7 and a wire port B 8 with a matching size, the heating ring, the memory material 5 and the piston rod 14 are arranged, the memory material 5 is heated by the heating ring, the memory material 5 of the nickel-titanium alloy changes into a preset shape after being heated, and the piston rod 14 is pushed to move, the response efficiency is fast, the displacement is large, the device can be used on precise electronic equipment, and the use effect is good.
[0025] Embodiment 2: as Figures 2-5 The bottom surface of the fixed sleeve 3 is assembled with a limiting plate 9 with a matching size, the bottom surface of the limiting plate 9 is provided with four groups of opposite mounting holes A 10, the bottom surface of the fixed sleeve 3 is provided with a mounting hole B 11 with a matching size, the bottom surface of the push rod shell 2 is provided with four groups of opposite screw holes A 12, and the bottom surface of the sealing cover 6 is provided with screw holes B 13 with a matching size.
[0026] Embodiment 3: as Figures 2-3 The bottom surface of the limiting plate 9 is provided with a threading hole 16 opposite to the heating groove 4, so that the high-temperature wire can be connected with the heating ring.
[0027] When the device needs to work, the memory material 5 is heated by the heating ring, the memory material 5 of the nickel-titanium alloy changes into a preset shape after being heated, and the piston rod 14 is pushed to move, the response efficiency is fast, the displacement is large, the device can be used on precise electronic equipment, and the use effect is good.
[0028] The basic principle and main features of the present application and the advantages of the present application are shown and described above, for those skilled in the art, obviously the present application is not limited to the details of the above exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.
[0029] In addition, it should be understood that, although the present application is described in the form of embodiments, not every embodiment contains only one independent technical solution, the description of the specification is only for the sake of clarity, those skilled in the art should consider the specification as a whole, the technical solutions in each embodiment can also be combined appropriately to form other embodiments that those skilled in the art can understand.
Claims
1. A close-coupled thermostat electric heat push rod, comprising a thermostat body (1), the bottom surface of the thermostat body (1) is fixedly installed with a push rod shell (2) of a suitable size; characterized in that The inner wall of the push rod shell (2) is fixedly installed with opposite fixed sleeves (3), the bottom surface of the fixed sleeve (3) is provided with an annular heating groove (4), the heating groove (4) is assembled with a heating ring of a suitable size and annular shape, the inner wall of the fixed sleeve (3) is assembled with a memory material (5) of a suitable size, the memory material (5) is made of nickel-titanium alloy material, the push rod shell (2) is slidably connected with a piston rod (14) of a suitable size, the bottom end of the piston rod (14) is in contact with the memory material (5), the top end of the piston rod (14) is fixedly installed with a push plate (15), the bottom surface of the push rod shell (2) is assembled with a sealing cover (6) of a suitable size, the bottom surface and the top surface of the sealing cover (6) are respectively assembled with a wire port A (7) and a wire port B (8) of a suitable size; The bottom surface of the fixed sleeve (3) is assembled with a limiting plate (9) of a suitable size, the bottom surface of the limiting plate (9) is provided with four groups of opposite mounting holes A (10), the bottom surface of the fixed sleeve (3) is provided with a mounting hole B (11) of a suitable size, the bottom surface of the push rod shell (2) is provided with four groups of opposite screw holes A (12), the bottom surface of the sealing cover (6) is provided with a screw hole B (13) of a suitable size.
2. A close-coupled thermostat electric heat rod according to claim 1, characterized in that: The bottom surface of the limiting plate (9) is provided with a threading hole (16) opposite to the heating groove (4).
3. A close-coupled thermostat electric heat rod according to claim 1, characterized in that: The outer wall of the thermostat body (1) is assembled with a transmission contact (17) of a suitable size.
4. The close-coupled thermostat electric heat rod of claim 1, wherein: The top surface of the thermostat body (1) is fixedly installed with a mounting plate (18), the top surface of the mounting plate (18) is provided with four groups of opposite threaded holes (19).
5. The close-coupled thermostat electric heat rod of claim 1, wherein: The heating ring and the wire port B (8) are assembled with a high-temperature wire of a suitable size.
6. A close-coupled thermostat electric heat rod according to claim 1, wherein: The inner wall of the fixed sleeve (3) is made of copper heat-conducting material.
Citation Information
Patent Citations
Electric heating push rod of electronic thermostat
CN217825408U