CN214662369U - Motor mounting structure of explosion-proof type valve electric actuator - Google Patents
Motor mounting structure of explosion-proof type valve electric actuator Download PDFInfo
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- CN214662369U CN214662369U CN202121014249.XU CN202121014249U CN214662369U CN 214662369 U CN214662369 U CN 214662369U CN 202121014249 U CN202121014249 U CN 202121014249U CN 214662369 U CN214662369 U CN 214662369U
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Abstract
The utility model discloses a motor mounting structure of an explosion-proof valve electric device, which adopts the technical proposal that the motor mounting structure comprises an electric shell and a driving motor matched with the electric shell, the driving motor is provided with a driving rotating shaft matched with the driving motor, a gear box matched with the motor shell is also arranged above the motor shell, a main gear and a plurality of transmission gears which are mutually meshed and connected are arranged in the gear box, one side of the electric shell is provided with a motor mounting cavity matched with the driving motor, the motor mounting cavity is arranged in an integrated structure, the outlet direction of the motor mounting cavity faces downwards and is arranged in a cylindrical structure as a whole, the upper cover of the motor mounting cavity is provided with a motor end cover matched with the lower end of the driving motor, the bottom of the motor mounting cavity is provided with a rotating shaft through hole matched with the driving rotating shaft, and the driving rotating shaft penetrates through the motor mounting cavity and extends into the gear box, and the driving gear is meshed with the main gear through the shaft insections. The utility model has the advantages of simple structure, convenient processing, convenient installation, high concentricity and good reliability.
Description
Technical Field
The utility model relates to an explosion-proof type valve electric actuator, concretely relates to explosion-proof type valve electric actuator's motor mounting structure.
Background
The valve electric device used in the explosive gas mixture environment should have an explosion-proof function. The explosion-proof type of the existing electric device at home and abroad is mostly explosion-proof type, and the basic principle is as follows: the structure can withstand the explosive force of the internal explosive gas mixture when ignited and prevent its propagation out of the housing (the working environment of the electrical device). The electric arc when the electric element works may ignite explosive gas in the shell to generate explosion, the explosion-proof structure of the electric device should design the length L of the explosion-proof joint surface and the fit clearance W thereof according to the standard specification, and the explosion-proof terminal board, the cable lead-in device and other parts are arranged.
At present, chinese patent with publication number CN208090037U discloses an electric actuator, which comprises a motor, a worm wheel and a casing, wherein an electric cabinet is arranged at one end of the casing, a motor box, a gear box, a worm wheel box and a worm box are arranged in the casing, an electric cabinet wiring hole communicated with the electric cabinet is arranged on the outer side wall of the electric cabinet, an electric cabinet cover is arranged outside the electric cabinet, the motor is arranged in the motor box, the center of the motor is connected with a motor shaft penetrating through the motor, a motor cover is arranged at one end of the motor, and axial insection is arranged at one end of the motor shaft. This electric actuator through set up the box that each part corresponds in the casing, installs different parts, very big simplification inner structure, and circuit connection is easier to operate simultaneously, adopts fifth gear to carry out the transmission, increases thrust, and the surface of motor case adopts unsmooth unevenness panel design, increases heat radiating area, realizes better thermal diffusivity, and the multiple design of worm-gear axle makes application scope wider, adapts to multiple demand.
The motor lid is installed to the one end of motor in this patent, the motor shaft runs through the motor lid, and the motor shaft sets up the one end and the one-level drive gear meshing of axle insection, though the motor that can be drives one-level drive gear and rotates and then drive whole electric actuator work, there is installation error when the motor lid is installed on the casing, the processing error also can be produced to the motor lid when processing the through-hole that is used for the motor shaft to pass through simultaneously, make the concentricity between motor shaft and the motor lid through-hole reduce, it is fixed to influence the installation of motor, make the inseparability of being connected between insection and one-level drive gear on the motor shaft reduce, influence the holistic reliability of electric actuator.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model provides an explosion-proof type valve electric actuator's motor mounting structure has simple structure, processing convenience, installation convenient, concentricity height and good reliability's effect.
In order to achieve the above purpose, the utility model provides a following technical scheme: a motor mounting structure of an explosion-proof valve electric device comprises an electric shell and a driving motor matched with the electric shell, wherein the driving motor is provided with a driving rotating shaft matched with the driving motor, a gear box matched with the motor shell is also arranged above the motor shell, a main gear and a plurality of transmission gears which are mutually meshed and connected are arranged in the gear box, a motor installation cavity matched with the driving motor is formed in one side of the electric shell, the motor installation cavity is of an integrally formed structure, the outlet direction of the motor installation cavity faces downwards, the motor installation cavity is integrally arranged in a cylindrical structure, and the motor mounting cavity upper cover is equipped with the motor end cover with driving motor lower extreme looks adaptation, and the pivot through-hole with drive pivot looks adaptation is seted up to the bottom in motor mounting cavity, and the drive pivot runs through the motor mounting cavity and extends to in the gear box, and drive gear is connected with the master gear through seting up the interlock each other.
Through adopting the above technical scheme, the pivot through-hole with drive pivot looks adaptation is seted up to motor installation cavity bottom, and install driving motor's lower extreme with the motor end cover, the installation error when the motor end cover is installed on motor housing can be avoided, and the motor end cover also can produce machining error when processing pivot through-hole, the motor installation cavity sets up for the integrated into one piece structure, the concentricity between furthest's improvement drive pivot and the pivot through-hole, guarantee driving motor reliability of working, and then improve explosion-proof type valve electric actuator's wholeness ability, and simple structure, it is convenient to install.
The utility model discloses further set up to: the motor end cover through set up a plurality of hexagon socket head cap bolts with electric shell fixed connection each other, still be provided with on the motor end cover with annular arch and the annular seal groove of motor installation cavity looks adaptation, the setting of annular arch's transversal personally submitting trapezium structure is provided with the ring packing circle in the annular seal groove, and the exit of motor installation cavity is provided with annular spacing groove.
Through adopting above-mentioned technical scheme, the motor end cover passes through hexagon socket head cap bolt and the mutual fixed connection of motor housing, guarantees the reliability that both are connected, and annular bulge, ring type seal and spacing groove are mutually supported, guarantee the leakproofness of motor end cover and motor housing junction, improve the reliability of driving motor work.
The utility model discloses further set up to: the bottom of motor installation cavity and the motor end cover through set up the pivot bearing with the mutual swing joint of drive pivot, and the both ends of drive pivot all are provided with the bearing step with pivot bearing looks adaptation, still are provided with the spacing recess with pivot bearing looks adaptation on the bottom of motor installation cavity and the motor end cover.
Through adopting above-mentioned technical scheme, set up the pivot bearing in order to reduce the friction of drive pivot in the rotation process to improve the reliability and the precision of driving motor work, the bearing step can guarantee that the pivot bearing installation targets in place, is convenient for drive pivot and carries out work.
The utility model discloses further set up to: the inner side of the motor end cover is provided with an end cover boss which is connected with the driving motor in a propping and pressing mode, the end cover boss is further provided with a plurality of end cover bulges integrated with the end cover boss, the bottom of the driving motor is provided with a motor clamping groove matched with the end cover bulges, and the end cover bulges are further fixedly bonded with rubber gaskets.
Through adopting above-mentioned technical scheme, motor end cover inboard sets up the end cover boss, sets up the end cover arch on the end cover boss and mutually supports with the motor draw-in groove, prevents that it from taking place to rotate when can effectively fixing driving motor, guarantees that driving motor during operation rotational speed can stable output, improves explosion-proof type valve electric actuator's reliability.
The utility model discloses further set up to: the bottom of the motor installation cavity is movably connected with the driving rotating shaft through a rotating shaft bearing, a bearing step matched with the rotating shaft bearing is arranged on the driving rotating shaft, and a limiting groove matched with the rotating shaft bearing is further formed in the bottom of the motor installation cavity.
Through adopting above-mentioned technical scheme, set up the pivot bearing in order to reduce the friction of drive pivot in the rotation process to improve the reliability and the precision of driving motor work, the bearing step can guarantee that the pivot bearing installation targets in place, is convenient for drive pivot and carries out work.
The utility model discloses further set up to: the inner wall of the motor installation cavity is provided with a limiting step matched with the driving motor, and the surface of the driving motor is provided with an annular limiting bulge.
Through adopting above-mentioned technical scheme, spacing step on the motor installation cavity inner wall and the spacing arch on driving motor surface mutually support for driving motor can install in place at the assembling process, thereby guarantees driving motor reliability and the precision of work.
The utility model discloses further set up to: still be provided with on the inner wall of motor installation cavity a plurality of with the spacing draw-in groove of driving motor looks adaptation, spacing draw-in groove is rectangular form structure setting and is vertical form evenly distributed, driving motor is last be provided with spacing draw-in groove looks adaptation the motor protruding.
Through adopting above-mentioned technical scheme, spacing draw-in groove and motor arch mutually support, prevent that driving motor from taking place to rotate, guarantee that driving motor during operation rotational speed can stable output, improve explosion-proof type valve electric actuator's reliability.
To sum up, the utility model discloses following beneficial effect has:
1. the rotating shaft through hole matched with the driving rotating shaft is formed in the bottom of the motor mounting cavity, the motor end cover is mounted at the lower end of the driving motor, so that the mounting error of the motor end cover mounted on the electric shell can be avoided, and the machining error of the motor end cover can be generated when the rotating shaft through hole is machined;
2. the motor end cover is fixedly connected with the electric shell through the hexagon socket head cap bolts, the connection reliability of the motor end cover and the electric shell is guaranteed, the annular bulge, the annular sealing ring and the limiting groove are matched with each other, the sealing performance of the connection position of the motor end cover and the electric shell is guaranteed, and the working reliability of the driving motor is improved.
Drawings
Fig. 1 is a perspective view of a first embodiment of the present invention.
Fig. 2 is a schematic cross-sectional view of a first embodiment of the present invention.
Fig. 3 is a schematic cross-sectional view of a second embodiment of the present invention.
Fig. 4 is a schematic cross-sectional view of a third embodiment of the present invention.
Reference numerals: 1. a motor housing; 2. a drive motor; 3. driving the rotating shaft; 4. a gear case; 5. a main gear; 6. a transmission gear; 7. a motor mounting cavity; 8. a motor end cover; 9. a through hole of the rotating shaft; 10. a hexagon socket head cap screw; 11. an annular projection; 12. an annular seal ring; 13. a limiting groove; 14. a rotating shaft bearing; 15. a bearing step; 16. a limiting groove; 17. a limiting step; 18. an end cover boss; 19. the end cover is raised; 20. a rubber gasket; 21. a limiting clamping groove; 22. the motor is protruded.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
In the first embodiment, the present invention discloses a motor mounting structure of an explosion-proof valve electric device, as shown in fig. 1 and 2, comprising an electric housing 1 and a driving motor 2 adapted to the electric housing 1, the driving motor 2 is provided with a driving rotating shaft 3 adapted to the driving motor 2, a gear box 4 adapted to the motor housing is further provided above the motor housing, a main gear 5 and a plurality of transmission gears 6 are provided in the gear box 4, the main gear is meshed with the transmission gears, the motor mounting cavity 7 adapted to the driving motor 2 is provided at one side of the electric housing 1, the motor mounting cavity 7 is integrally formed, the outlet direction of the motor mounting cavity 7 is downward and the whole of the motor mounting cavity is arranged in a cylindrical structure, a motor end cover 8 adapted to the lower end of the driving motor 2 is provided on the upper cover of the motor mounting cavity 7, a rotating shaft through hole 9 adapted to the driving rotating shaft 3 is provided at the bottom of the motor mounting cavity 7, the driving rotating shaft 3 penetrates through the motor mounting cavity 7 and extends into the gear box 4, and the driving gear is meshed with the main gear 5 through shaft insections; the pivot through-hole 9 with 3 looks adaptations of drive pivot is seted up to 7 bottoms in motor installation cavity, and install driving motor 2's lower extreme with motor end cover 8, can avoid the installation error of motor end cover 8 when installing on motor housing 1, and motor end cover 8 also can produce machining error when processing pivot through-hole 9, motor installation cavity 7 sets up for integrated into one piece structure, the concentricity between 3 and the pivot through-hole 9 of improvement drive pivot of ability furthest, guarantee the reliability of driving motor 2 work, and then improve explosion-proof type valve electric actuator's wholeness ability, and simple structure, it is convenient to install.
The motor end cover 8 is fixedly connected with the electric shell 1 through a plurality of inner hexagon bolts 10, an annular bulge 11 and an annular sealing groove which are matched with the motor installation cavity 7 are further arranged on the motor end cover 8, the cross section of the annular bulge 11 is in a trapezoidal structure, an annular sealing ring 12 is arranged in the annular sealing groove, and an annular limiting groove 13 is arranged at the outlet of the motor installation cavity 7; the motor end cover 8 is fixedly connected with the electric shell 1 through the hexagon socket head cap bolts 10, the connection reliability of the motor end cover and the electric shell is guaranteed, the annular protrusions 11, the annular sealing rings 12 and the limiting grooves 13 are matched with each other, the sealing performance of the connection position of the motor end cover 8 and the electric shell 1 is guaranteed, and the working reliability of the driving motor 2 is improved.
The bottom of the motor installation cavity 7 and the motor end cover 8 are movably connected with the driving rotating shaft 3 through a rotating shaft bearing 14, bearing steps 15 matched with the rotating shaft bearing 14 are arranged at two ends of the driving rotating shaft 3, and limiting grooves 16 matched with the rotating shaft bearing 14 are also arranged on the bottom of the motor installation cavity 7 and the motor end cover 8; set up pivot bearing 14 in order to reduce the friction of drive pivot 3 at the rotation in-process to improve the reliability and the precision of driving motor 2 work, bearing step 15 can guarantee that pivot bearing 14 installs and targets in place, is convenient for drive pivot 3 and carries out work.
A limiting step 17 matched with the driving motor 2 is arranged on the inner wall of the motor mounting cavity 7, and an annular limiting bulge is arranged on the surface of the driving motor 2; spacing step 17 on the inner wall of motor installation cavity 7 and the spacing arch on driving motor 2 surface mutually support for driving motor 2 can install in place at the assembling process, thereby guarantees the reliability and the precision of driving motor 2 work.
The assembly process is as follows:
the rotary shaft bearings 14 are sleeved at two ends of the driving rotary shaft 3 of the driving motor 2, the driving motor 2 is installed in the motor installation groove, the driving rotary shaft 3 penetrates through the motor installation cavity 7 through the rotary shaft through hole 9 and is connected with the main gear 5 in an occluded mode, the annular sealing ring 12 is installed on the motor end cover 8 and covers the motor installation cavity 7, and finally the motor end cover is fixed through the hexagon socket head cap bolts 10.
The second embodiment is different from the first embodiment in that, as shown in fig. 3, an end cover boss 18 abutting against and connected with the driving motor 2 is arranged on the inner side of the motor end cover 8, a plurality of end cover protrusions 19 integrated with the end cover boss 18 are further arranged on the end cover boss 18, a motor clamping groove matched with the end cover protrusions 19 is arranged at the bottom of the driving motor 2, and a rubber gasket 20 is further fixedly bonded on the end cover protrusions 19; the inner side of the motor end cover 8 is provided with an end cover boss 18, the end cover boss 18 is provided with an end cover bulge 19 and is matched with the motor clamping groove, the driving motor 2 can be effectively fixed and prevented from rotating, the rotating speed of the driving motor 2 during working can be stably output, and the reliability of the explosion-proof valve electric device is improved.
The bottom of the motor installation cavity 7 is movably connected with the driving rotating shaft 3 through a rotating shaft bearing 14, a bearing step 15 matched with the rotating shaft bearing 14 is arranged on the driving rotating shaft 3, and a limiting groove 16 matched with the rotating shaft bearing 14 is also arranged at the bottom of the motor installation cavity 7; set up pivot bearing 14 in order to reduce the friction of drive pivot 3 at the rotation in-process to improve the reliability and the precision of driving motor 2 work, bearing step 15 can guarantee that pivot bearing 14 installs and targets in place, is convenient for drive pivot 3 and carries out work.
The third embodiment is different from the first embodiment in that, as shown in fig. 4, a plurality of limiting slots 21 adapted to the driving motor 2 are further arranged on the inner wall of the motor installation cavity 7, the limiting slots 21 are arranged in a long strip structure and are vertically and uniformly distributed, and a motor protrusion 22 adapted to the limiting slots 21 is arranged on the driving motor 2; spacing draw-in groove 21 and motor bulge 22 mutually support, prevent that driving motor 2 from taking place to rotate, guarantee that driving motor 2 during operation rotational speed can stable output, improve explosion-proof type valve electric actuator's reliability.
To sum up, the utility model discloses following beneficial effect has:
1. the bottom of the motor mounting cavity 7 is provided with the rotating shaft through hole 9 matched with the driving rotating shaft 3, the motor end cover 8 is mounted at the lower end of the driving motor 2, so that the mounting error of the motor end cover 8 mounted on the electric shell 1 can be avoided, and the machining error of the motor end cover 8 generated when the rotating shaft through hole 9 is machined can be avoided, the motor mounting cavity 7 is of an integrally formed structure, the concentricity between the driving rotating shaft 3 and the rotating shaft through hole 9 can be improved to the maximum extent, the working reliability of the driving motor 2 is ensured, the overall performance of the explosion-proof valve electric device is improved, and the explosion-proof valve electric device is simple in structure and convenient to mount;
2. the motor end cover 8 is fixedly connected with the electric shell 1 through the hexagon socket head cap bolts 10, the connection reliability of the motor end cover and the electric shell is guaranteed, the annular protrusions 11, the annular sealing rings 12 and the limiting grooves 13 are matched with each other, the sealing performance of the connection position of the motor end cover 8 and the electric shell 1 is guaranteed, and the working reliability of the driving motor 2 is improved.
The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, any modification, equivalent replacement, or improvement made within the design concept of the present invention should be included within the protection scope of the present invention.
Claims (7)
1. The utility model provides an explosion-proof type valve electric actuator's motor mounting structure, including electric casing (1) and with driving motor (2) of electric casing (1) looks adaptation, be provided with on driving motor (2) with drive pivot (3) of its looks adaptation, the motor casing top still is provided with gear box (4) rather than the looks adaptation, is provided with master gear (5) and a plurality of drive gear (6) that mutual interlock is connected in gear box (4), its characterized in that: motor installation cavity (7) with driving motor (2) looks adaptation is seted up to motor housing (1) one side, motor installation cavity (7) set up for the integrated into one piece structure, the export direction of motor installation cavity (7) just is cylindric structure setting down its whole, and motor installation cavity (7) upper cover is equipped with motor end cover (8) with driving motor (2) lower extreme looks adaptation, pivot through-hole (9) with drive pivot (3) looks adaptation are seted up to the bottom of motor installation cavity (7), drive pivot (3) run through motor installation cavity (7) and extend to in gear box (4), and drive gear is connected through seting up axle insection and master gear (5) interlock each other.
2. A motor mounting structure of an explosion-proof type valve electric actuator as claimed in claim 1, wherein: motor end cover (8) through set up a plurality of hexagon socket head cap bolts (10) with electric shell (1) mutual fixed connection, still be provided with on motor end cover (8) with annular arch (11) and the annular seal groove of motor installation cavity (7) looks adaptation, the transversal trapezium structure setting of personally submitting of annular arch (11), be provided with ring packing circle (12) in the annular seal groove, the exit of motor installation cavity (7) is provided with annular spacing groove (13).
3. A motor mounting structure of an explosion-proof type valve electric actuator as claimed in claim 2, wherein: the bottom of motor installation cavity (7) and motor end cover (8) through setting up pivot bearing (14) with drive pivot (3) swing joint each other, and the both ends of drive pivot (3) all are provided with bearing step (15) with pivot bearing (14) looks adaptation, still are provided with spacing recess (16) with pivot bearing (14) looks adaptation on the bottom of motor installation cavity (7) and motor end cover (8).
4. A motor mounting structure of an explosion-proof type valve electric actuator as claimed in claim 2, wherein: the motor end cover is characterized in that an end cover boss (18) connected with the driving motor (2) in a pressing mode is arranged on the inner side of the motor end cover (8), a plurality of end cover protrusions (19) integrated with the end cover boss (18) are further arranged on the end cover boss (18), a motor clamping groove matched with the end cover protrusions (19) is formed in the bottom of the driving motor (2), and a rubber gasket (20) is fixedly bonded on the end cover protrusions (19).
5. The motor mounting structure of an explosion-proof type valve electric actuator as set forth in claim 4, wherein: the bottom of motor installation cavity (7) through set up pivot bearing (14) with drive pivot (3) swing joint each other, and be provided with bearing step (15) with pivot bearing (14) looks adaptation on drive pivot (3), the bottom of motor installation cavity (7) still is provided with spacing recess (16) with pivot bearing (14) looks adaptation.
6. The motor mounting structure of an explosion-proof type valve electric actuator as claimed in any one of claims 1 to 5, wherein: the inner wall of the motor installation cavity (7) is provided with a limiting step (17) matched with the driving motor (2), and the surface of the driving motor (2) is provided with an annular limiting bulge.
7. The motor mounting structure of an explosion-proof type valve electric actuator as claimed in any one of claims 1 to 5, wherein: still be provided with on the inner wall of motor installation cavity (7) a plurality of with spacing draw-in groove (21) of driving motor (2) looks adaptation, spacing draw-in groove (21) are rectangular form structure setting and are vertical form evenly distributed, be provided with on driving motor (2) with motor arch (22) of spacing draw-in groove (21) looks adaptation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121014249.XU CN214662369U (en) | 2021-04-24 | 2021-04-24 | Motor mounting structure of explosion-proof type valve electric actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121014249.XU CN214662369U (en) | 2021-04-24 | 2021-04-24 | Motor mounting structure of explosion-proof type valve electric actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214662369U true CN214662369U (en) | 2021-11-09 |
Family
ID=78495005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121014249.XU Active CN214662369U (en) | 2021-04-24 | 2021-04-24 | Motor mounting structure of explosion-proof type valve electric actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214662369U (en) |
-
2021
- 2021-04-24 CN CN202121014249.XU patent/CN214662369U/en active Active
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