Intelligent control actuator

Abstract

The invention discloses an intelligent control actuator which comprises a lower shell, a motor and an inner pressing plate. A first mounting groove is formed in the lower shell in a sunken mode, a machine shell of the motor is assembled in the first mounting groove, and the inner pressing plate is assembled on the lower shell and pressed on the motor. At least one first clamping strip part which can be extruded to deform so as to abut against the motor shell is arranged on the inner side wall of the first installation groove in a protruding mode, the size error is made up through the pressed deformation of the first clamping strip part, the problem that the motor shakes in the first installation groove is solved, the installation stability of the motor is improved, and the service life of the motor is prolonged. The position of the crankshaft of the motor is limited, abnormal sound caused by shaking of the motor can be avoided, transmission stability can be improved, the service life is prolonged, the first clamping strip part enables a spacing space to be formed between the motor shell and the inner wall of the first mounting groove, and the spacing space is beneficial to heat dissipation of the motor.

Description

Technical Field

[0001] The present invention relates to the technical field related to intelligent control actuators, and in particular, to an intelligent control actuator. Background Art

[0002] Intelligent control actuators receive electrical signals and change the control quantity according to the size of the signal, so that the material quantity or energy of the input or output object is changed to achieve the purpose of automatic adjustment. Nowadays, intelligent control actuators have been applied in various fields. Intelligent control actuators mainly include PCB boards, motors and power transmission mechanisms connected to the motors.

[0003] The parts of the motor in contact with the outside include a motor housing, a motor bracket mounted on the open end of the motor housing, and a motor crankshaft passing through the motor bracket, wherein the motor crankshaft is a part of the rotor.

[0004] In the prior art, a mounting groove matching the motor casing is provided on the lower shell body. After the motor casing is inserted into the mounting groove, an inner pressure plate is used to press the motor bracket to fix the motor. However, there are dimensional errors in the manufacturing process of the mounting groove and the motor casing, and an assembly gap is also designed between the two, so that the motor casing cannot completely fit the inner wall of the mounting groove. During use, the motor will shake, which will not only produce abnormal noise, but also the shaking of the motor will cause the displacement of the motor crankshaft and reduce the transmission stability. Therefore, it is necessary to design an intelligent control actuator. Summary of the invention

[0005] In view of the above technical problems, the purpose of the present invention is to overcome the problem of shaking of the motor during use in the prior art.

[0006] In order to achieve the above object, the present invention provides an intelligent control actuator, which includes: a lower housing having a first mounting groove, a motor whose housing is mounted in the first mounting groove, and an inner pressure plate mounted on the lower housing and pressed on the motor;

[0007] At least one first clamping strip portion which can be squeezed and deformed to abut against the motor housing is protruded from the inner side wall of the first mounting groove.

[0008] Preferably, a first transition portion inclined away from the motor housing is provided at an end of the first clamping strip portion close to the open end of the first mounting groove.

[0009] Preferably, an annular mounting portion is provided on the side of the motor bracket away from the motor casing and on the bottom of the motor casing, the inner pressure plate is provided with a mounting opening which is sleeved on the outside of the annular mounting portion, and the bottom of the first mounting groove is recessed with a second mounting groove for installing the corresponding annular mounting portion.

[0010] Preferably, at least one second clamping strip portion which can be squeezed and deformed to abut against the annular mounting portion is protrudingly provided on the inner wall of the mounting opening and the inner wall of the second mounting groove.

[0011] Preferably, a second transition portion inclined away from the annular mounting portion is provided at the end of the second clamping strip portion close to the motor housing.

[0012] Preferably, the inner pressure plate is protruded with a plurality of mounting positioning portions capable of contacting the outer wall of the motor housing.

[0013] Preferably, a mounting flange is protruding from the inner pressure plate and contacts the open end of the motor housing.

[0014] Preferably, the intelligent control actuator further comprises an upper housing, an output gear mounted on the lower housing, and at least one transmission gear mounted on the lower housing for connecting the output gear and the motor crankshaft;

[0015] The output gear comprises a gear body, a transmission shaft coaxially arranged with the gear body and rotatably connected to the lower housing and passing out of the lower housing, a rotating shaft coaxially arranged with the gear body and rotatably connected to the upper housing, and a first annular positioning portion coaxially arranged with the gear body;

[0016] The lower shell body is provided with a second annular positioning portion protruding from the lower shell body and in sliding contact with the inner wall or the outer wall of the first annular positioning portion.

[0017] Preferably, the inner wall of the first annular positioning portion is in sliding contact with the outer wall of the second annular positioning portion, and the outer wall of the first annular positioning portion is provided with extended teeth matching the gear teeth of the gear body.

[0018] Preferably, the number of the transmission gears is at least two, one of which is fixedly sleeved on the motor output shaft, and the inner pressure plate is connected to a center shaft that is arranged parallel to the motor output shaft and matches the corresponding transmission gear through embedded injection molding.

[0019] According to the above technical solution, the present invention provides an intelligent control actuator, which has the following beneficial technical effects compared with the prior art:

[0020] First, the dimensional error is compensated by compressing and deforming the first clamping strip portion, thereby solving the problem of the motor shaking in the first mounting groove and improving the installation stability of the motor, that is, limiting the crankshaft position of the motor, solving the abnormal noise caused by the motor shaking, and improving the transmission stability and service life;

[0021] Secondly, the first clip part is integrally formed during the injection molding process of the lower shell, which is simple in process and low in cost;

[0022] Thirdly, the first clamping strip portion also forms a spacing space between the motor housing and the inner wall of the first mounting groove, and the spacing space is conducive to heat dissipation of the motor.

[0023] Other features and advantages of the present invention will be described in detail in the subsequent specific implementation mode; and the parts not involved in the present invention are the same as the prior art or can be implemented by using the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the present invention but do not constitute a limitation of the present invention. In the accompanying drawings:

[0025] Figure 1 This is a three-dimensional structure diagram of an intelligent control actuator provided by the present invention. Figure 1 ;

[0026] Figure 2 This is a three-dimensional structure diagram of an intelligent control actuator provided by the present invention. Figure 2 ;

[0027] Figure 3 It is a three-dimensional structural schematic diagram of a lower shell of an intelligent control actuator provided by the present invention;

[0028] Figure 4 It is a schematic diagram of the three-dimensional structure of an intelligent control actuator provided by the present invention with the upper shell removed;

[0029] Figure 5 This is a schematic diagram of the local three-dimensional structure of an intelligent control actuator provided by the present invention. Figure 1 ;

[0030] Figure 6 The present invention provides an intelligent control actuator Figure 2 Schematic diagram of the perspective along A;

[0031] Figure 7 The present invention provides an intelligent control actuator Figure 6 Cross-sectional view along the BB perspective;

[0032] Figure 8 The present invention provides an intelligent control actuator Figure 6 Cross-sectional view from the CC perspective;

[0033] Fig. 9 It is a three-dimensional structural schematic diagram of an inner pressure plate on the central axis of an intelligent control actuator provided by the present invention;

[0034] Fig.10 The present invention provides an intelligent control actuator Figure 3The enlarged schematic diagram of point D in the middle;

[0035] Fig.11 It is a three-dimensional structural schematic diagram of an output gear of an intelligent control actuator provided by the present invention;

[0036] Fig.12 This is a schematic diagram of the local three-dimensional structure of an intelligent control actuator provided by the present invention. Figure 2 .

[0037] Description of Reference Numerals

[0038] 1. First mounting groove; 2. Lower shell; 3. Motor; 4. Inner pressure plate; 5. First clamping strip portion; 6. First transition portion; 7. Annular mounting portion; 8. Mounting opening; 9. Second mounting groove; 10. Second clamping strip portion; 11. Second transition portion; 12. Mounting positioning portion; 13. Mounting flange; 14. Upper shell; 15. Output gear; 16. Transmission gear; 17. Gear body; 18. Transmission shaft; 19. Rotating shaft; 20. First annular positioning portion; 21. Second annular positioning portion; 22. Extension teeth; 23. Center axis; 24. PCB board. DETAILED DESCRIPTION

[0039] The specific implementation of the present invention is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described here is only used to illustrate and explain the present invention, and is not used to limit the present invention.

[0040] In the present invention, unless otherwise stated, directional words such as "upper, lower, inside, outside" contained in a term merely represent the orientation of the term in normal usage, or are common names understood by those skilled in the art, and should not be regarded as limitations on the term.

[0041] like Figure 1-12 As shown, an intelligent control actuator comprises: a lower housing 2 having a first mounting groove 1, a motor 3 whose housing is mounted in the first mounting groove 1, and an inner pressure plate 4 mounted on the lower housing 2 and pressed on the motor 3;

[0042] At least one first clamping strip portion 5 which can be squeezed and deformed to abut against the motor housing is protruded from the inner side wall of the first mounting groove 1 .

[0043] In the above technical solution, the intelligent actuator also includes a PCB board 24 assembled on the lower shell 2, a card slot is recessed on the open end of the motor 3 shell, and a card block that can be inserted into the card slot is protruded on the inner pressure plate 4. The PCB board 24, the card slot and the card block are all existing technologies. The inner pressure plate 4 can not only prevent the motor 3 from escaping from the first mounting groove 1, but also prevent the motor casing from rotating through the cooperation of the card slot and the card block.

[0044] When the motor 3 is assembled in the first mounting groove 1, during the assembly process, the motor 3 is installed in the first mounting groove 1 under extrusion, and the motor casing will squeeze the first clamping strip part 5. Since there are dimensional errors in the injection molding of the lower shell 2 and the manufacturing process of the motor casing, and there is also an assembly gap between the first mounting groove 1 and the motor casing, the dimensional error is compensated by the compressive deformation of the first clamping strip part 5, so as to solve the problem of the motor 3 shaking in the first mounting groove 1 and improve the installation stability of the motor 3, that is, to limit the crankshaft position of the motor 3, which can solve the abnormal noise caused by the shaking of the motor 3, and can also improve the transmission stability and service life; the first clamping strip part 5 is integrally formed during the injection molding process of the lower shell 2, and the process is simple and the cost is low.

[0045] The first clamping strip portion 5 also forms a spacing space between the motor housing and the inner wall of the first mounting groove 1 , and the spacing space is conducive to heat dissipation of the motor 3 .

[0046] In a preferred embodiment of the invention, a first transition portion 6 inclined away from the motor housing is provided at the end of the first clamping strip portion 5 close to the open end of the first mounting groove 1 .

[0047] like Figure 3 As shown, in the above technical solution, the existence of the first clamping strip portion 5 will increase the force required for assembling the motor 3 and increase the difficulty of assembling the motor 3. Therefore, the first transition portion 6 is provided to reduce the difficulty of installing the motor 3 into the first mounting groove 1.

[0048] In a preferred embodiment of the invention, an annular mounting portion 7 is provided on the side of the motor bracket away from the motor casing and on the bottom of the motor casing, the inner pressure plate 4 is penetrated by a mounting opening 8 which is sleeved on the outside of the annular mounting portion 7, and the bottom of the first mounting groove 1 is recessed to provide a second mounting groove 9 for installing the corresponding annular mounting portion 7.

[0049] like Figure 3 , Figure 5 , Fig. 9 , Fig.10 and Fig.12 As shown, in the above technical solution, the motor crankshaft will be assembled on the annular mounting portion 7 through the bearing coaxial line, and a pair of annular mounting portions 7 are limited by the mounting opening 8 and the second mounting groove 9, which can further improve the installation stability of the motor 3.

[0050] In a preferred embodiment of the invention, at least one second clamping strip portion 10 which can be squeezed and deformed to abut against the annular mounting portion 7 is protruded from the inner wall of the mounting opening 8 and the inner wall of the second mounting groove 9 .

[0051] like Figure 5 , Fig. 9 , Fig.10 and Fig.12 As shown, in the above technical solution, the annular mounting portion 7, the mounting hole and the second mounting groove 9 also have the problem of manufacturing error and assembly error. Therefore, through the second clamping strip portion 10, the mounting port 8 can be tightly mounted on the corresponding annular mounting portion 7, and the annular mounting portion 7 located at the bottom of the motor housing can be tightly inserted into the second mounting groove 9. The problem of dimensional error is solved by the deformation of the second clamping strip portion 10, and the installation stability of the motor 3 is further improved.

[0052] In a preferred embodiment of the invention, a second transition portion 11 inclined away from the annular mounting portion 7 is provided at the end of the second clamping strip portion 10 close to the motor housing.

[0053] like Figure 5 , Fig. 9 , Fig.10 and Fig.12 As shown, in the above technical solution, the second transition portion 11 is conducive to the installation opening 8 being mounted on the annular installation portion 7 of the motor bracket, and is also conducive to the annular installation portion 7 located at the bottom of the motor housing being inserted into the second installation groove 9.

[0054] In a preferred embodiment of the invention, the inner pressure plate 4 is provided with a plurality of mounting positioning portions 12 protruding from the inner pressure plate 4 and capable of contacting the outer wall of the motor housing.

[0055] like Fig. 9 and Fig.12 As shown, in the above technical solution, a plurality of mounting positioning portions 12 are in contact with the outer wall of the motor housing, which can further improve the installation stability of the motor 3.

[0056] In a preferred embodiment of the invention, a mounting flange 13 is protruding from the inner pressure plate 4 and abuts against the open end of the motor 3 housing.

[0057] like Figure 7 and Fig. 9 As shown, in the above technical solution, the inner pressure plate 4 transmits pressure to the motor casing through the mounting flange 13, so that the motor 3 cannot move in the first mounting groove 1. The mounting flange 13 can reduce the pressure area on the motor 3, thereby increasing the pressure per unit area, which can further improve the installation stability of the motor 3.

[0058] In a preferred embodiment of the invention, the intelligent control actuator further comprises an upper housing 14, an output gear 15 mounted on the lower housing 2, and at least one transmission gear 16 mounted on the lower housing 2 for connecting the output gear 15 and the motor crankshaft;

[0059] The output gear 15 includes a gear body 17, a transmission shaft 18 coaxially arranged with the gear body 17 and rotatably connected to the lower housing 2 and passing out of the lower housing 2, a rotating shaft 19 coaxially arranged with the gear body 17 and rotatably connected to the upper housing 14, and a first annular positioning portion 20 coaxially arranged with the gear body 17;

[0060] The lower shell 2 is provided with a second annular positioning portion 21 protruding from the lower shell 2 and in sliding contact with the inner wall or the outer wall of the first annular positioning portion 20 .

[0061] like Figure 3 , Figure 8 and Fig.11 As shown, in the above technical scheme, the output gear 15 includes positioning between the transmission shaft 18 and the lower shell 2, positioning between the rotating shaft 19 and the upper shell 14, and positioning between the first annular positioning portion 20 and the second annular positioning portion 21. The triple positioning setting can reduce the shaking amplitude and shaking frequency of the output gear 15 during rotation, improve the transmission stability, reduce the wear of the output gear 15, and increase the service life of the output gear 15, thereby increasing the service life of the entire intelligent control actuator. The end of the transmission shaft 18 away from the gear body 17 is recessed and provided with a special-shaped slot for connecting other transmission parts.

[0062] In a preferred embodiment of the invention, the inner wall of the first annular positioning portion 20 is in sliding contact with the outer wall of the second annular positioning portion 21 , and the outer wall of the first annular positioning portion 20 is provided with extended teeth 22 matching the gear teeth of the gear body 17 .

[0063] like Fig.11 As shown, in the above technical solution, extending the tooth 22 can increase the tooth width and improve the transmission stability. The larger tooth width can increase the load strength it can withstand and increase the service life of the output gear 15.

[0064] In a preferred embodiment of the invention, the number of the transmission gears 16 is at least two, one of which is fixedly sleeved on the output shaft of the motor 3, and the inner pressure plate 4 is connected to a center shaft 23 that is arranged parallel to the output shaft of the motor 3 and matches the corresponding transmission gear 16 through embedded injection molding.

[0065] like Figure 4 , Figure 5 , Fig. 9 and Fig.12 As shown, in the above technical solution, since the diameter of the center shaft 23 is small, there will be a bending problem in the subsequent assembly, and it is also easy to replace during use. The center shaft 23 and the inner pressure plate 4 are connected by embedded injection molding, which can not only improve the connection stability between the two, but also avoid the bending of the center shaft 23.

[0066] The preferred embodiments of the present invention are described in detail above in conjunction with the accompanying drawings. However, the present invention is not limited to the specific details in the above embodiments. Within the technical concept of the present invention, a variety of simple modifications can be made to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.

[0067] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present invention will not further describe various possible combinations.

[0068] In addition, various embodiments of the present invention may be arbitrarily combined, and as long as they do not violate the concept of the present invention, they should also be regarded as the contents disclosed by the present invention.

Claims

1. An intelligent control actuator, characterized in that: The intelligent control actuator comprises: a lower housing (2) having a first mounting groove (1) recessed therein, a motor (3) whose housing is mounted in the first mounting groove (1), and an inner pressure plate (4) mounted on the lower housing (2) and pressed against the motor (3); At least one first clamping strip portion (5) which can be squeezed and deformed to abut against the motor housing is protruded from the inner side wall of the first mounting groove (1).

2. The intelligent control actuator according to claim 1, characterized in that: The end of the first clamping strip portion (5) close to the open end of the first mounting groove (1) is provided with a first transition portion (6) inclined away from the motor housing.

3. The intelligent control actuator according to claim 1, characterized in that: An annular mounting portion (7) is provided on the side of the motor bracket away from the motor housing and on the bottom of the motor housing. A mounting opening (8) is provided through the inner pressure plate (4) and is sleeved on the outside of the annular mounting portion (7). A second mounting groove (9) is provided in a recessed manner at the bottom of the first mounting groove (1) for mounting the corresponding annular mounting portion (7).

4. The intelligent control actuator according to claim 3, characterized in that: At least one second clamping strip portion (10) which can be squeezed and deformed to abut against the annular mounting portion (7) is protrudingly provided on the inner wall of the mounting opening (8) and the inner wall of the second mounting groove (9).

5. The intelligent control actuator according to claim 4, characterized in that: The end of the second clamping strip portion (10) close to the motor housing is provided with a second transition portion (11) inclined away from the annular mounting portion (7).

6. The intelligent control actuator according to claim 1, characterized in that: The inner pressure plate (4) is provided with a plurality of mounting positioning portions (12) protruding from the inner pressure plate (4) and capable of contacting the outer wall of the motor housing.

7. The intelligent control actuator according to claim 1, characterized in that: The inner pressure plate (4) is provided with a mounting flange (13) protruding from the inner pressure plate (4) and abutting against the open end of the motor (3) housing.

8. The intelligent control actuator according to claim 1, characterized in that: The intelligent control actuator further comprises an upper housing (14), an output gear (15) mounted on the lower housing (2), and at least one transmission gear (16) mounted on the lower housing (2) and used for connecting the output gear (15) and a motor crankshaft; The output gear (15) comprises a gear body (17), a transmission shaft (18) coaxially arranged with the gear body (17) and rotatably connected to the lower housing (2) and extending outward from the lower housing (2), a rotating shaft (19) coaxially arranged with the gear body (17) and rotatably connected to the upper housing (14), and a first annular positioning portion (20) coaxially arranged with the gear body (17); A second annular positioning portion (21) is protrudingly provided on the lower shell (2) and is in sliding contact with the inner wall or the outer wall of the first annular positioning portion (20).

9. The intelligent control actuator according to claim 8, characterized in that: The inner wall of the first annular positioning portion (20) is in sliding contact with the outer wall of the second annular positioning portion (21), and the outer wall of the first annular positioning portion (20) is provided with extended teeth (22) that match the gear teeth of the gear body (17).

10. The intelligent control actuator according to claim 8, characterized in that: The number of the transmission gears (16) is at least two, one of the transmission gears (16) is fixedly sleeved on the output shaft of the motor (3), and the inner pressure plate (4) is connected to a central shaft (23) arranged parallel to the output shaft of the motor (3) and matching the corresponding transmission gear (16) through embedded injection molding.

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