CN220319682U

CN220319682U - Throttle actuator

Info

Publication number: CN220319682U
Application number: CN202322058851.9U
Authority: CN
Inventors: 陈军; 褚华鹤; 周海芬
Original assignee: Wenzhou Hanhao Electronic Technology Co ltd
Current assignee: Wenzhou Hanhao Electronic Technology Co ltd
Priority date: 2023-08-01
Filing date: 2023-08-01
Publication date: 2024-01-09
Anticipated expiration: 2033-08-01

Abstract

The utility model discloses an accelerator actuator, which comprises a base, a swing arm assembly, a mounting cover and a driving motor, wherein the driving motor is mounted on the base; the motor shaft comprises a motor main shaft and a transmission shaft which are coaxially arranged, and the motor main shaft and the transmission shaft are in linkage connection through a plurality of locking pieces; one end of the motor main shaft is provided with a first butt joint shaft, a first butt joint part with a semicircular section is arranged on the first butt joint shaft, one end of the transmission shaft is provided with a second butt joint shaft, a second butt joint part with a semicircular section is arranged on the second butt joint shaft, the first butt joint part and the second butt joint part form a segmented shaft with a full circle section, the first butt joint portion is close to one side of second butt joint portion and is equipped with a plurality of first slots, is equipped with a plurality of second slots corresponding with first slot on the second butt joint portion, and first slot and corresponding second slot form a jack that is used for grafting the locking piece. The utility model adopts the sectional motor shaft, which is convenient for processing and assembling, and can ensure higher concentricity.

Description

Throttle actuator

Technical Field

The utility model relates to the technical field of actuators, in particular to an accelerator actuator.

Background

The throttle actuator is usually an actuator in an automatic measurement and control system of an engine, and is mainly used for being matched with an automatic engine control instrument, a hydraulic power and electric vortex dynamometer and used for controlling the throttle opening of the engine and completing various characteristic tests of the engine.

The common throttle actuator comprises a base, a swing arm assembly, a mounting cover, a bracket, a magnetic insulation frame assembly, a magnetic conductor assembly, a driving motor and the like, for example, the driving motor in the Wolwa 140 actuator is directly connected with the swing arm in a linkage way, the motor shaft is a long shaft, the requirement on concentricity is high, and the processing difficulty is greatly improved.

Disclosure of Invention

The utility model aims to provide an accelerator actuator, which adopts a sectional motor shaft, is convenient to process and assemble, and can ensure higher concentricity.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the throttle actuator comprises a base, a swing arm assembly, a mounting cover and a driving motor, wherein the driving motor is mounted on the base, a motor shaft of the driving motor is in linkage connection with the swing arm assembly, and the mounting cover is mounted on the base and covers the driving motor and the swing arm assembly; the motor shaft comprises a motor main shaft and a transmission shaft which are coaxially arranged, and the motor main shaft and the transmission shaft are in linkage connection through a plurality of locking pieces; the motor spindle is close to the one end of transmission shaft and is equipped with first butt joint axle, is equipped with the first butt joint portion that the cross-section is semicircle shape on the first butt joint axle, the one end that the transmission shaft is close to the motor spindle is equipped with the second butt joint axle, is equipped with the second butt joint portion that the cross-section is semicircle shape on the second butt joint axle, first butt joint portion forms the sectioning axle that the cross-section is a whole circle with the second butt joint portion to one side that first butt joint portion is close to the second butt joint portion is provided with a plurality of quantity and locking piece equivalent first slots along radial, be equipped with a plurality of with the second slot that the first slot corresponds on the second butt joint portion, first slot and corresponding second slot form a jack that is used for pegging graft the locking piece.

Through adopting above-mentioned technical scheme, the motor shaft adopts sectional type structure, and motor spindle and transmission shaft are connected through a plurality of locking piece linkage, and not only be convenient for process, it is convenient to assemble moreover, can guarantee higher concentricity.

The utility model is further characterized in that the cross section of the locking piece is I-shaped, and the cross section of the insertion hole is the same as the cross section of the locking piece.

Through adopting above-mentioned technical scheme, locking piece I shape design can clench the first butt joint portion and the second butt joint portion at both ends, guarantees motor spindle and transmission shaft connection structure's stability.

The utility model is further arranged that the two end surfaces of the locking piece are arc surfaces with the curvature equivalent to that of the excircle of the segmented shaft.

By adopting the technical scheme, the surface of the segmented shaft is smoother and more attractive.

The utility model further provides two stop sleeves, the number of the locking pieces is two, the two stop sleeves are sleeved on the periphery of the segmented shaft, and the two stop sleeves are sleeved on the peripheries of the corresponding locking pieces respectively.

Through adopting above-mentioned technical scheme, the locking piece is blocked to the stop sleeve cover setting in segmentation axle periphery, can avoid the locking piece pine to take off, makes the linkage structure of motor main shaft and transmission shaft more reliable and stable.

The utility model further provides two springs, wherein the two springs are respectively sleeved on the peripheries of the first butt joint shaft and the second butt joint shaft, the first butt joint shaft is provided with a first step, the second butt joint shaft is provided with a second step, one end of one spring is abutted against the first step, the other end is abutted against the end part of the corresponding stop sleeve, one end of the other spring is abutted against the second step, and the other end of the other spring is abutted against the corresponding stop sleeve.

Through adopting above-mentioned technical scheme, in the use, two springs are in the same place two locking cover pressures, and the package is two locking pieces, and during the dismantlement, push away two locking cover, expose two locking pieces, take out two locking pieces, can separate motor main shaft and transmission shaft, the operation is very convenient, does benefit to the maintenance operation of earlier stage equipment and later stage.

The utility model is further characterized in that the stop sleeve is provided with a positioning groove for embedding the end part of the spring.

Through adopting above-mentioned technical scheme, can fix a position the spring, promote its stability of flexible process.

The utility model further provides that a rubber ring is clamped between the two stop sleeves, the rubber ring is sleeved on the periphery of the segmented shaft, and the rubber ring is in interference fit with the segmented shaft.

Through adopting above-mentioned technical scheme, the rubber ring sets up in segmentation axle middle part, not only can carry out spacingly to two stop sleeves, can cushion when propping the two moreover, guarantees the accurate cover of stop sleeve in the locking piece periphery that corresponds, also plays the effect of protection stop sleeve itself.

The utility model is further characterized in that a first supporting part and a second supporting part are arranged on the base, a first mounting hole and a second mounting hole for a motor main shaft and a transmission shaft to pass through are respectively formed in the first supporting part and the second supporting part, a first bearing used for being sleeved on the periphery of the motor main shaft is arranged in the first mounting hole, and a second bearing used for being sleeved on the periphery of the transmission shaft is arranged in the second mounting hole.

Through adopting above-mentioned technical scheme, not only can support the location to motor main shaft and transmission shaft, guarantee the axiality of both during operation, can reduce the rotation friction of motor shaft moreover, reduce the energy consumption.

Drawings

FIG. 1 is a cross-sectional view of the entirety of the present utility model;

fig. 2 is an enlarged schematic view of the portion a in fig. 1.

In the figure: 1. a base; 2. a swing arm assembly; 3. a mounting cover; 4. a driving motor; 5. a motor shaft; 6. a motor spindle; 7. a transmission shaft; 8. a locking member; 9. a first docking shaft; 10. a first butt joint part; 11. a second docking shaft; 12. a second butt joint part; 13. a segmented shaft; 14. a first slot; 15. a second slot; 16. a jack; 17. a stop sleeve; 18. a spring; 19. a first step; 20. a second step; 21. a positioning groove; 22. a rubber ring; 23. a first support portion; 24. a second supporting part; 25. a first mounting hole; 26. a second mounting hole; 27. a first bearing; 28. and a second bearing.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: the throttle actuator as shown in fig. 1 and 2 comprises a base 1, a swing arm assembly 2, a mounting cover 3 and a driving motor 4, wherein the driving motor 4 is mounted on the base 1, a motor shaft 5 of the driving motor 4 is in linkage connection with the swing arm assembly 2, and the mounting cover 3 is mounted on the base 1 and covers the driving motor 4 and the swing arm assembly 2; the motor shaft 5 comprises a motor main shaft 6 and a transmission shaft 7 which are coaxially arranged, and the motor main shaft 6 and the transmission shaft 7 are in linkage connection through a plurality of locking pieces 8; the motor spindle 6 is close to one end of the transmission shaft 7 and is provided with a first butt joint shaft 9, a first butt joint part 10 with a semicircular section is arranged on the first butt joint shaft 9, one end of the transmission shaft 7 close to the motor spindle 6 is provided with a second butt joint shaft 11, the second butt joint shaft 11 is provided with a second butt joint part 12 with a semicircular section, the radiuses of the first butt joint shaft 9, the first butt joint part 10, the second butt joint shaft 11 and the second butt joint part 12 are identical, the first butt joint part 10 and the second butt joint part 12 form a segmented shaft 13 with a whole circle in section, a plurality of first slots 14 with the same number as the locking pieces 8 are arranged on one side of the first butt joint part 10 close to the second butt joint part 12 in the radial direction, a plurality of second slots 15 corresponding to the first slots 14 are arranged on the second butt joint part 12, and the first slots 14 and the corresponding second slots 15 form jacks 16 for plugging the locking pieces 8. The motor shaft 5 adopts sectional type structure, and motor main shaft 6 and transmission shaft 7 are connected through a plurality of locking pieces 8 linkage, and not only be convenient for processing, it is convenient to assemble moreover, can guarantee higher concentricity.

As shown in fig. 2, the cross section of the locking member 8 is in an i-shape, and the cross section of the insertion hole 16 is the same as that of the locking member 8, i.e., the first insertion groove 14 and the second insertion groove 15 are in a T-shape. The I-shaped design of the locking piece 8 can be used for clamping the first butt joint part 10 and the second butt joint part 12 at two ends, so that the stability of the connecting structure of the motor main shaft 6 and the transmission shaft 7 is ensured.

Wherein, both end surfaces of the locking piece 8 are arc surfaces with the curvature equivalent to the outer circle of the segmented shaft 13. This design makes the surface of the segmented shaft 13 smoother and more attractive.

As shown in fig. 2, the actuator further includes two stop sleeves 17, the number of the locking members 8 is two, the two stop sleeves 17 are sleeved on the periphery of the segmented shaft 13, the two stop sleeves 17 are respectively sleeved on the peripheries of the corresponding locking members 8, and the stop sleeves 17 can axially slide along the periphery of the segmented shaft 13. The locking sleeve 17 is sleeved on the periphery of the segmented shaft 13 to block the locking piece 8, so that the locking piece 8 can be prevented from loosening, and the linkage structure of the motor main shaft 6 and the transmission shaft 7 is more stable and reliable.

As shown in fig. 2, the actuator further includes two springs 18, the two springs 18 are respectively sleeved on the peripheries of the first butt joint shaft 9 and the second butt joint shaft 11, the first butt joint shaft 9 is provided with a first step 19, the second butt joint shaft 11 is provided with a second step 20, one end of one spring 18 abuts against the first step 19, the other end abuts against the end of the corresponding stop sleeve 17, one end of the other spring 18 abuts against the second step 20, and the other end abuts against the corresponding stop sleeve 17. In the use process, the two springs 18 press the two stop sleeves 17 together to wrap the two locking pieces 8, when the two stop sleeves 17 are pushed open to expose the two locking pieces 8 during disassembly, the two locking pieces 8 are pulled out, and the motor main shaft 6 and the transmission shaft 7 can be separated, so that the operation is very convenient, and the front-stage assembly and the later-stage maintenance operation are facilitated.

As shown in fig. 2, the stop sleeve 17 is provided with a positioning groove 21 for embedding the end of the spring 18, and the positioning groove 21 is annular. This design enables positioning of the spring 18, improving the stability of its telescoping process.

As shown in fig. 2, a rubber ring 22 is sandwiched between the two stop sleeves 17, the rubber ring 22 is sleeved on the periphery of the segmented shaft 13, and the rubber ring 22 is in interference fit with the segmented shaft 13. The rubber ring 22 is arranged in the middle of the segmented shaft 13, so that the two stop sleeves 17 can be limited, buffer can be carried out when the two stop sleeves are propped against each other, and the stop sleeves 17 are ensured to be accurately sleeved on the periphery of the corresponding locking piece 8 and simultaneously the effect of protecting the stop sleeves 17 is also achieved.

As shown in fig. 1, the base 1 is provided with a first supporting portion 23 and a second supporting portion 24, the first supporting portion 23 and the second supporting portion 24 are respectively provided with a first mounting hole 25 and a second mounting hole 26 through which the main shaft 6 and the transmission shaft 7 of the power supply pass, a first bearing 27 for sleeving the outer periphery of the main shaft 6 of the motor is installed in the first mounting hole 25, the outer ring of the first bearing 27 is in interference fit with the inner wall of the first mounting hole 25, a second bearing 28 for sleeving the outer periphery of the transmission shaft 7 is installed in the second mounting hole 26, and a hole elastic retainer ring is respectively arranged at the position, corresponding to the two ends of the second bearing 28, of the inner wall of the second mounting hole 26. The design not only can support and position the motor main shaft 6 and the transmission shaft 7 and ensure the coaxiality of the motor main shaft 6 and the transmission shaft 7 during working, but also can reduce the rotation friction of the motor shaft 5 and reduce the energy consumption.

Claims

1. The accelerator actuator comprises a base (1), a swing arm assembly (2), a mounting cover (3) and a driving motor (4), wherein the driving motor (4) is mounted on the base (1), a motor shaft (5) of the driving motor (4) is connected with the swing arm assembly (2) in a linkage manner, and the mounting cover (3) is mounted on the base (1) and covers the driving motor (4) and the swing arm assembly (2); the method is characterized in that: the motor shaft (5) comprises a motor main shaft (6) and a transmission shaft (7) which are coaxially arranged, and the motor main shaft (6) and the transmission shaft (7) are connected in a linkage way through a plurality of locking pieces (8); the motor spindle (6) is close to one end of transmission shaft (7) and is equipped with first butt joint axle (9), is equipped with first butt joint portion (10) that the cross-section is semicircle shape on first butt joint axle (9), the one end that transmission shaft (7) is close to motor spindle (6) is equipped with second butt joint axle (11), is equipped with second butt joint portion (12) that the cross-section is semicircle shape on second butt joint axle (11), first butt joint portion (10) and second butt joint portion (12) form the sectioning axle (13) that the cross-section is a full circle to one side that first butt joint portion (10) is close to second butt joint portion (12) is provided with a plurality of quantity along radial first slot (14) that are equivalent with locking piece (8), be equipped with a plurality of second slot (15) corresponding with first slot (14) on second butt joint portion (12), first slot (14) and second slot (15) that correspond form jack (16) that are used for pegging graft locking piece (8).

2. A throttle actuator as defined in claim 1, wherein: the cross section of the locking piece (8) is I-shaped, and the cross section of the insertion hole (16) is the same as that of the locking piece (8).

3. A throttle actuator as defined in claim 1, wherein: the two end surfaces of the locking piece (8) are arc surfaces with the curvature equivalent to the outer circle of the segmented shaft (13).

4. A throttle actuator as defined in claim 1, wherein: the locking device further comprises two stop sleeves (17), the number of the locking pieces (8) is two, the two stop sleeves (17) are sleeved on the periphery of the segmented shaft (13), and the two stop sleeves (17) are sleeved on the peripheries of the corresponding locking pieces (8) respectively.

5. The throttle actuator of claim 4, wherein: the novel anti-collision device comprises a first butt joint shaft (9) and a second butt joint shaft (11), and is characterized by further comprising two springs (18), wherein the two springs (18) are respectively sleeved on the peripheries of the first butt joint shaft (9) and the second butt joint shaft (11), a first step (19) is arranged on the first butt joint shaft (9), a second step (20) is arranged on the second butt joint shaft (11), one end of one spring (18) abuts against the first step (19), the other end abuts against the end of a corresponding stop sleeve (17), one end of the other spring (18) abuts against the second step (20), and the other end abuts against the corresponding stop sleeve (17).

6. The throttle actuator of claim 5, wherein: the stop sleeve (17) is provided with a positioning groove (21) for embedding the end part of the spring (18).

7. The throttle actuator of claim 5, wherein: a rubber ring (22) is clamped between the two stop sleeves (17), the rubber ring (22) is sleeved on the periphery of the segmented shaft (13), and the rubber ring (22) is in interference fit with the segmented shaft (13).

8. A throttle actuator as defined in claim 1, wherein: be equipped with first supporting part (23) and second supporting part (24) on base (1), first mounting hole (25) and second mounting hole (26) that are used for supplying motor main shaft (6) and transmission shaft (7) to pass are seted up respectively on first supporting part (23) and second supporting part (24), install in first mounting hole (25) and be used for the cover to establish first bearing (27) at motor main shaft (6) periphery, install in second mounting hole (26) and be used for the cover to establish second bearing (28) at transmission shaft (7) periphery.