Sealing structure for electronic integrated thermostat

Abstract

The utility model discloses a sealing structure for an electronic integrated thermostat, and belongs to the technical field of sealing of thermostats. The technical problem how to improve the reliability of the sealing mode of an existing sealing ring is solved. According to the key points of the technical scheme, the mounting shell comprises a mounting shell, the mounting shell comprises an upper shell body and a lower shell body, the edges of the upper shell body and the lower shell body are attached to form a hollow cavity, the edges of the upper shell body and the lower shell body are provided with flanges conveniently, caulking grooves are formed in the positions where the flanges of the upper shell body and the flanges of the lower shell body are attached to each other, and sealing rings are arranged in the caulking grooves; a plurality of protruding points are arranged on the inner side and / or the outer side of the sealing ring and abut against the side wall of the caulking groove, threaded holes are further formed in the turned-over edges and used for installation of bolts, the bolts are used for fastening the upper shell and the lower shell, the caulking groove is rectangular, the long side of the rectangle is the height of the caulking groove, and the short side of the rectangle is the width of the caulking groove. And the sealing ring is mounted on the caulking groove and is higher than or equal to the caulking groove in height, so that the sealing effect is obvious and reliable and the maintenance is convenient.

Description

TECHNICAL FIELD

[0001] The present application relates to the sealing technical field of thermostat, in particular to a sealing structure for an electronic integrated thermostat. BACKGROUND

[0002] The electronic integrated thermostat is an advanced temperature control device, which integrates the design of thermostat and shell, and is precisely controlled by engine control module (ECM). Part of the structure of the shell has an inner cavity, that is, an internal mounting space, and part of the mounting space can be designed as a sealed inner cavity structure as needed. Therefore, in the design of the electronic integrated thermostat, attention should also be paid to the sealing design of the closed inner cavity structure. The existing sealing structure is to directly increase a sealing ring on the shell, and an ordinary rubber sealing ring is used, which is easy to age and has a short service life. In addition, in the position of the long gap at the edge, the sealing is unreliable. CONTENT OF THE UTILITY MODEL

[0003] In order to solve the above technical problems and shortcomings: how to improve the reliability of the existing sealing ring sealing method, the present application provides a sealing structure for an electronic integrated thermostat, which can improve the sealing reliability and timely feedback the sealing reliability problem.

[0004] To achieve the above object and other related objects, the present application adopts the following technical scheme:

[0005] A sealing structure for an electronic integrated thermostat, comprising a mounting shell, the mounting shell comprising an upper shell and a lower shell, the edges of the upper shell and the lower shell being fitted to form an internally hollow chamber, the edges of the upper shell and the lower shell being convenient to set the flanges, the position where the flanges of the upper shell and the lower shell are fitted to each other is provided with a groove, and a sealing ring is arranged in the groove, the inner side and / or the outer side of the sealing ring is provided with a plurality of convex points, the convex points abut on the side wall of the groove, the flange is further provided with a threaded hole, the threaded hole is provided for bolt installation, and the bolt is used to fasten the upper shell and the lower shell, the groove is rectangular, the long side of the rectangle is the height of the groove, and the short side is the width of the groove, and the sealing ring is installed on the groove and protrudes from or is equal to the height of the groove.

[0006] Preferably, the upper shell or the lower shell is provided with a groove, and the height of the sealing ring is greater than or equal to the height of the groove.

[0007] Preferably, the upper shell and the lower shell are both provided with a groove, and the height of the sealing ring is greater than or equal to twice the height of the groove.

[0008] Preferably, the mounting shell is provided with an air pressure sensor and a one-way air valve, the air pressure sensor communicates with the sealed chamber and detects the air pressure of the chamber, and the one-way air valve is used to inject air into the chamber to increase the internal air pressure.

[0009] Preferably, the air pressure sensor is sequentially connected with a comparison module, a controller and an alarm, the comparison module is internally provided with a preset signal, the air pressure sensor outputs a detection signal to the comparison module, the comparison module compares the detection signal with the preset signal, and outputs a judgment signal when the detection signal is lower than the preset signal, the controller is connected with the comparison module and receives the judgment signal and outputs an alarm signal, and the alarm is connected with the controller to receive the alarm signal to give a prompt.

[0010] Preferably, a thin film is covered between the turned-up edges of the upper shell and the lower shell, and the thin film is fixed and covers the gaps of the turned-up edges.

[0011] Preferably, the thin film is a plastic film, a rubber film or a silica gel film.

[0012] Preferably, the edges of the thin film are fixed by bolts or glue.

[0013] In summary, the present application has at least one of the following beneficial technical effects:

[0014] 1. Since the installation shell adopts the combined structure of the upper shell and the lower shell for the need of installing internal devices, a gap is generated at the edge of the combination, and reliable sealing is needed, since the edge is relatively long, the basic sealing ring structure is changed to set convex points on the inner and outer sides of the sealing ring to increase the deformation and the tightness of assembly, and then the embedding groove is designed as a rectangle to reduce the gap generated by the short path, so as to increase the path length of the gap and improve the service life of the sealing ring.

[0015] 2. In order to further know the reliability of the sealing, a one-way valve is used to inject air into the interior to maintain the pressure inside, at this time, the air pressure sensor can detect the air pressure change in the interior and feedback the detection result to the outside in the form of an electric signal, at this time, if the sealing effect is very good, the internal pressure can be maintained for a long time, so as to ensure the reliability of the sealing, if the internal pressure is detected to be reduced, it means that there is a gap or air leakage, and then the sealing detection can be performed, so that the user can know the internal sealing condition in time.

[0016] 3. The comparison module, the controller and the alarm are used to further improve the feedback intelligence of the detection result of the air pressure sensor, so that the user can more intuitively understand the air tightness condition, so as to better maintain the product.

[0017] 4. The turned-up edge is covered with a thin film, which can be used to detect air leakage, if air leakage occurs, the position of air leakage will be preferentially bulged, or the position of bulging will be particularly obvious compared with other positions, so that the user can more intuitively understand the sealing condition. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a perspective diagram of the lower housing of the first embodiment of the present invention;

[0019] Figure 2 Schematic diagram of a sealing ring according to a first embodiment of the present invention;

[0020] Figure 3 This is a schematic diagram of a cross-sectional assembly of an embodiment of the present invention;

[0021] Figure 4 is a schematic diagram of a circuit module of Example 2;

[0022] Figure 5 Schematic diagram of the partial structure of Example 3;

[0023] Figure 6 Structural principle diagram of embodiment 4.

[0024] Description of the reference numerals of the main components:

[0025] 1. Upper shell; 2. Lower shell; 3. Chamber; 4. Flanged edge; 41. Groove; 5. Sealing ring; 51. Bump; 6. Threaded hole; 7. Bolt; 81. Air pressure sensor; 82. One-way air valve; 83. Comparison module; 84. Controller; 85. Alarm; 9. Film. DETAILED DESCRIPTION

[0026] The following describes the embodiments of the present invention through specific examples. Those skilled in the art can easily understand the other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through different specific embodiments. The details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the following embodiments and features in the embodiments can be combined with each other unless they conflict.

[0027] It should be noted that the illustrations provided in the following embodiments are merely schematic illustrations of the basic concept of the present invention. The illustrations only show components related to the present invention and are not drawn according to the number, shape, and size of components in actual implementation. In actual implementation, the type, quantity, and proportion of each component can be changed at will, and the component layout may also be more complex.

[0028] The specific implementation manner of the present invention will be further described below with reference to the accompanying drawings. Example 1

[0029] The present invention discloses a sealing structure for an electronic integrated thermostat.Figure 1 、 Figure 2 and Figure 3 As shown in the drawings, the mounting shell (metal material) comprises an upper shell 1 and a lower shell 2, the edges of the upper shell 1 and the lower shell 2 are matched to form an internally hollow chamber 3, the edges of the upper shell 1 and the lower shell 2 are both convenient for setting a turned-up edge 4, the turned-up edge 4 of the upper shell 1 and the turned-up edge 4 of the lower shell 2 are matched at a position to set an embedding groove 41, a sealing ring 5 is set in the embedding groove 41, the inner side and / or the outer side of the sealing ring 5 is provided with a plurality of convex points 51, the convex points 51 abut against the side wall of the embedding groove 41, the turned-up edge 4 is further provided with a threaded hole 6, the threaded hole 6 is used for mounting a bolt 7, and the bolt 7 is used for fastening the upper shell 1 and the lower shell 2. As can be seen, in other words, the upper shell 1 and the lower shell 2 are fixed by using a flange type matching fixing mode, and the gap is large, therefore, on the basis of this structure, after the sealing ring 5 and the embedding groove 41 for assembling the sealing ring 5 are used, the structural sealing performance can be greatly improved.

[0030] As can be seen in Figure 3 , the embedding groove 41 is rectangular, the long side of the rectangle is the height of the embedding groove 41, and the short side is the width of the embedding groove 41, and the sealing ring 5 is installed on the embedding groove 41 and is higher than or equal to the height of the embedding groove 41. Since the sealing ring 5 is elastic and can be extruded, it is slightly higher than the embedding groove 41, which improves the sealing performance.

[0031] Since the mounting shell adopts a combined structure of the upper shell 1 and the lower shell 2 due to the need to install internal devices, a gap is generated at the edge of the combination, and reliable sealing is required. Since the edge is relatively long, the installation and sealing reliability of the sealing ring 5 is considered, the basic structure of the sealing ring 5 is changed, the convex points 51 are arranged on the inner and outer sides of the sealing ring 5 to increase the deformation and the tightness of assembly, and then the embedding groove 41 is designed to be rectangular to reduce the gap generated by the short path, increase the path length of the gap generated, and improve the service life of the sealing ring 5; Example two

[0032] Based on the above-mentioned example one, the scheme can be further optimized, and the following Figure 3 and Figure 4 As can be seen, further preferably, the mounting shell is provided with an air pressure sensor 81 and a one-way air valve 82, the air pressure sensor 81 communicates with the sealed chamber 3 and detects the air pressure of the chamber 3, and the one-way air valve 82 is used to inject air into the chamber 3 to increase the internal air pressure. Since the air pressure sensor 81 and the one-way air valve 82 (one-way valve) are existing components, the structure is not specifically shown, and the installation position and function are simply shown, and the principle of the scheme of the present application can be understood.

[0033] The air pressure sensor 81 is connected with a comparison module 83, a controller 84 and an alarm 85 in sequence. The comparison module 83 is built-in with a preset signal. The air pressure sensor 81 outputs a detection signal to the comparison module 83. The comparison module 83 compares the detection signal with the preset signal and outputs a judgment signal when the detection signal is lower than the preset signal. The controller 84 is connected with the comparison module 83 and receives the judgment signal and outputs a warning signal. The alarm 85 is connected with the controller 84 to receive the warning signal and give a prompt.

[0034] The comparison module 83 is a comparator LM1. The detection signal outputted by the air pressure sensor 81 is used to indicate the air pressure in the inner cavity. The preset signal is a reference signal set in advance and used for comparison with the detection signal. When the detection signal of the air pressure sensor 81 is greater than the preset signal, the comparator LM1 outputs a high level, otherwise, a low level. The preset signal can be provided by the controller 84. The controller 84 can be a single-chip microcomputer module, such as a minimum system circuit board of a 51 single-chip microcomputer, or a small system circuit board module of a DSP2812 chip. The alarm 85 can be a buzzer or a warning light (LED light) to prompt the user by emitting an alarm sound or light.

[0035] According to the above scheme, the working principle is as follows: after assembly, the air pressure sensor 81, the controller 84, the comparison module 83 and the alarm 85 are all connected with the power supply and work normally. The one-way air valve 82 is used to inject air into the installation shell to increase the air pressure. The tool for injecting the air can be an air pump. At this time, the air pressure in the cavity 3 is higher than the atmospheric pressure, but not very high, and is higher than the preset signal. At this time, the sealing effect is reliable and the alarm will not be triggered. If air leakage occurs, the sealing effect is poor, at this time, the air pressure in the inner cavity decreases, thereby triggering the alarm, and the user can directly and very quickly obtain feedback and make timely maintenance arrangements. Embodiment three

[0036] For the above scheme, there are other improved schemes, for example, as shown in Figure 5 It is understood that the upper shell 1 or the lower shell 2 is provided with a recess 41, and the height of the sealing ring 5 is greater than or equal to the height of the recess 41. The upper shell 1 and the lower shell 2 are both provided with the recess 41, and the height of the sealing ring 5 is greater than or equal to twice the height of the recess 41.

[0037] This structure can reduce the path of the gap and improve the sealing effect. Embodiment four

[0038] Referring to Figure 6 It is understood that the upper shell 1 and the lower shell 2 are covered with a layer of film 9 between the flanges 4, and the film 9 fixes and covers the gap of the flanges 4. The film 9 is a plastic film, a rubber film or a silica gel film. The edge of the film 9 is fixed by the bolt 7 or the glue.

[0039] The film 9 can be used to check the leakage. If leakage occurs, the position of the leakage will be the first to bulge, or the position of the bulge will be more obvious than other positions, so that the user can more intuitively understand the sealing condition.

[0040] The above embodiments only exemplarily illustrate the principles and effects of the present application, and are not used to limit the present application. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present application. Therefore, equivalent changes made according to the structure, shape, principle of the present application shall be covered within the protection scope of the present application.

Claims

1. A sealing structure for an electronic integrated thermostat, comprising a mounting shell, the mounting shell comprising an upper shell (1) and a lower shell (2), the edges of the upper shell (1) and the lower shell (2) being fitted to form an internally hollow chamber (3), the edges of the upper shell (1) and the lower shell (2) being each provided with a turned edge (4), the turned edge (4) of the upper shell (1) and the turned edge (4) of the lower shell (2) being fitted to each other at a position provided with a slot (41), a sealing ring (5) being arranged in the slot (41), characterized in that, The inner side and / or the outer side of the sealing ring (5) is provided with several convex points (51) which abut against the side wall of the embedding groove (41), the flange (4) is further provided with a threaded hole (6) for mounting a bolt (7) which is used to fasten the upper shell (1) and the lower shell (2), the embedding groove (41) is rectangular, the long side of the rectangle is the height of the embedding groove (41), and the short side is the width of the embedding groove (41), the sealing ring (5) is installed in the embedding groove (41) and is higher than or equal to the height of the embedding groove (41).

2. The seal structure for an electronically integrated thermostat according to claim 1, wherein The upper shell (1) or the lower shell (2) is provided with an embedding groove (41), and the height of the sealing ring (5) is greater than or equal to the height of the embedding groove (41).

3. A seal for an electronically integrated thermostat according to claim 2, wherein The upper shell (1) and the lower shell (2) are both provided with an embedding groove (41), and the height of the sealing ring (5) is greater than or equal to twice the height of the embedding groove (41).

4. The seal for an electronically integrated thermostat of claim 1, wherein, The installation shell is provided with an air pressure sensor (81) and a one-way air valve (82), the air pressure sensor (81) is connected to the sealed chamber (3) and detects the air pressure of the chamber (3), and the one-way air valve (82) is used to inject air into the chamber (3) to increase the internal air pressure.

5. The seal for an electronically integrated thermostat of claim 4, wherein, The air pressure sensor (81) is sequentially connected with a comparison module (83), a controller (84) and an alarm (85), the comparison module (83) is internally provided with a preset signal, the air pressure sensor (81) outputs a detection signal to the comparison module (83), the comparison module (83) compares the detection signal with the preset signal, and outputs a judgment signal when the detection signal is lower than the preset signal, the controller (84) is connected to the comparison module (83) and receives the judgment signal and outputs an alarm signal, and the alarm (85) is connected to the controller (84) to receive the alarm signal to prompt.

6. The sealed structure for an electronically integrated thermostat of claim 1, wherein, A layer of film (9) is covered between the flanges (4) of the upper shell (1) and the lower shell (2), and the film (9) fixes and shields the gap of the flange (4).

7. A seal for an electronically integrated thermostat according to claim 6, wherein The film (9) is a plastic film, a rubber film or a silica gel film.

8. The seal for an electronically integrated thermostat of claim 6, wherein, The edge of the film (9) is fixed by a bolt (7) or glue.

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