CN114499014A - Stepping motor - Google Patents
Stepping motor Download PDFInfo
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- CN114499014A CN114499014A CN202210384971.5A CN202210384971A CN114499014A CN 114499014 A CN114499014 A CN 114499014A CN 202210384971 A CN202210384971 A CN 202210384971A CN 114499014 A CN114499014 A CN 114499014A
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- Prior art keywords
- interface
- locking
- casing
- stepping motor
- groove
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/50—Fastening of winding heads, equalising connectors, or connections thereto
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K37/00—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
- H02K5/225—Terminal boxes or connection arrangements
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/22—Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
- H02K9/223—Heat bridges
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention discloses a stepping motor which comprises a machine shell, an end cover, a rotor and a stator, wherein the stator is arranged in the machine shell, the rotor is assembled in the middle of the stator and sealed through the end cover, one end of the end cover is hinged with the machine shell through a hinge, a movable end is arranged between one side of the end cover, which is far away from the hinge, and the machine shell, one side of the movable end of the end cover is detachably provided with a plurality of first locking wires, the first locking wires are wired from a first wiring channel in the machine shell and extend out of an assembly cavity at the other end of the machine shell in a parallel winding mode, and a sealing plate is movably arranged in the assembly cavity. The movable interface structure is arranged, so that the interface is completely sealed when the stepping motor is used, the stepping motor can automatically extend when external wiring needs to be plugged and pulled out, the tensile traction capacity is very good, the interface is effectively prevented from loosening, the whole structure can be fixed by only one screw, the dismounting efficiency is greatly improved, the market prospect is very good, and the service life of the stepping motor can be further prolonged.
Description
Technical Field
The invention relates to the field of motors, in particular to a stepping motor.
Background
The stepping motor is also called a pulse motor, and is an electromagnet capable of freely rotating based on the most basic electromagnet principle, and the action principle of the stepping motor is that electromagnetic torque is generated by means of the change of air gap permeance.
The stepping motor cannot be directly connected to a direct current or alternating current power supply to work, and a special driving power supply (stepping motor driver) must be used. The driver and the stepping motor need to be connected by wiring, so that an exposed external interface is generally arranged on the stepping motor, a male head of the wiring is respectively inserted into the interface on the stepping motor and the driver, and the connection between the stepping motor and the driver is completed. If the interface is hidden, the wiring is inconvenient to replace.
In addition, the assembly between the shell and the end cover of the stepping motor is often completed by at least four long-foot screws, so that the assembly and disassembly are inconvenient, the efficiency is extremely low, and the maintenance is inconvenient.
Disclosure of Invention
The invention aims to solve the technical problem that a stepping motor is provided with a sealing plate and interface linkage structure, so that the locking between the motor and an end cover can be realized, the number of screws used is reduced, the hiding and exposing of the interface can be realized, the use stability of the stepping motor is improved, the service life of the stepping motor is greatly prolonged, and the defects in the prior art are effectively overcome.
The invention is realized by the following technical scheme: a stepping motor comprises a machine shell, end covers, a rotor and a stator, wherein the stator is installed in the machine shell, the rotor is assembled in the middle of the stator and sealed through the end covers, one end of each end cover is hinged to the machine shell through a hinge, one side, away from the hinge, of each end cover is a movable end, one side, away from the hinge, of each end cover is provided with a plurality of first locking wires in a detachable mode, the first locking wires are arranged in a first wiring channel in the machine shell and extend out of an assembly cavity at the other end of the machine shell in a wiring mode, a sealing plate is installed in the assembly cavity in a movable mode, the bottom of the sealing plate is locked and fixed with the first locking wires extending into the assembly cavity, the first locking wires are pulled by pushing the sealing plate upwards to lock the movable ends of the end covers and the machine shell, and the bottom of the sealing plate is locked and limited through the locking parts after the sealing plate is pushed upwards;
the upper end of the stator is fixedly provided with a control panel, the control panel is provided with a movable interface, one side of the end cover opposite to the interface is provided with a corresponding interface groove, the bottom of the interface groove is in butt joint conduction with the assembly cavity, when the sealing plate is inserted into the interface groove from bottom to top, the interface is completely retracted into the shell and the end cover, a wire outlet hole is formed between the upper end surface of the sealing plate and the top surface of the interface groove, and a driver connecting wire passes through the wire outlet hole to be connected with a driver,
the interface is located the inside both sides of casing and connects a second locking silk respectively, and two second locking silks avoid the position of rotor to insert to the inside second of casing and walk the line passageway to walk the line from the second and insert the assembly intracavity after walking the line inside the line passageway, it inserts the second locking silk of assembly intracavity and locks fixedly bottom the shrouding, and tractive second locking silk when the shrouding promotes from bottom to top, and drag the interface into to inside casing and the end cover.
As a preferred technical scheme, the first routing channel and the second routing channel are both U-shaped and are all arranged around the casing from top to bottom, the wire inlet end of the first routing channel is arranged on the end surface of the top of the casing on the side far away from the sealing plate, the wire inlet end of the second routing channel is arranged on the inner side surface of the casing, and the second locking wire is routed from the inside of the casing and is connected into the second routing channel from the wire inlet end of the second routing channel.
According to the preferable technical scheme, a bottom plate is fixedly installed on the upper end face of the control plate through screws, sliding grooves are formed in two sides of the bottom plate respectively, a sliding assembly cavity is formed in the bottom of the connector, the connector is assembled on the bottom plate in a sliding mode through the sliding assembly cavity, a guide sliding block is arranged on the connector right facing the sliding grooves, a first spring is fixedly arranged in each sliding groove, one end of each first spring is fixedly bonded with one side of each sliding groove, the other end of each first spring is fixedly bonded with the guide sliding block arranged in each sliding groove, and the connector is ejected to the outside through the first springs.
According to the preferable technical scheme, the interface is connected with the control panel through the spring connecting line, one side, away from the interface, of the two sides of the upper end of the bottom plate is respectively provided with a guide roller, one end of the second locking wire is connected with the interface through a first threaded joint, the other end of the second locking wire is connected with the bottom of the sealing plate through a second threaded joint in a threaded mode, and the second locking wire is arranged at the outer side end of the guide roller.
According to the preferable technical scheme, a first drawing section and a second drawing section are arranged in the first wiring channel, the inner diameters of the first drawing section and the second drawing section are larger than the inner diameter of the first wiring channel, the first wiring channel forms a steel wire containing section between the first drawing section and the second drawing section, and a first locking wire located in the steel wire containing section is in a corrugated bending shape.
According to a preferable technical scheme, the first drawing sections are internally provided with a second spring, the first locking wires positioned in the first drawing sections are provided with first piston blocks, the second springs are sleeved outside the first locking wires, one ends of the second springs are in contact with the end faces of the piston ends, the other ends of the second springs are in contact with the end faces of the first drawing sections, and the first piston blocks are arranged on one sides close to the second drawing sections;
a third spring is arranged in each second drawing section, a second piston block is arranged on the first locking wire in each second drawing section, the third springs are sleeved outside the first locking wires, one end of each third spring is in contact with the end face of one side of each second piston block, the other end of each third spring is in contact with the end face of each second drawing section, and each second piston block is arranged on the side close to the corresponding first drawing section;
an O-shaped elastic support ring is arranged in the second drawing section and close to the first drawing section, the end face of the other side of the second piston block is in contact support with the elastic support ring, and the other end of the elastic support ring is in contact support with the end face of the second drawing section.
As preferred technical scheme, the top of casing is provided with first bearing, and the bottom of casing is provided with the second bearing, and first line passageway and second are walked the line passageway and are all avoided the bearing setting.
As preferred technical scheme, the one end of first lock silk all is provided with third screwed joint, it is fixed through third screwed joint connection with the shrouding bottom, the other end integral type of first lock silk sets up a fixture block, just all be provided with a draw-in groove to every first position of walking the line passageway on the end cover, a cavity is all seted up on the end cover of draw-in groove bottom, be provided with the wiring groove between cavity and the draw-in groove, all detain one in the wiring groove and be the rubber sleeve of "U" type, the fixture block of first lock silk is detained from the outside and is gone into from the draw-in groove, first lock silk is detained and is stretched into to the inside first line passageway of walking of casing after going into in the rubber sleeve of wiring groove.
As the preferred technical scheme, two sides of the sealing plate are respectively provided with a guide sliding block, two sides of the assembly cavity right facing the guide sliding blocks are respectively provided with a guide sliding groove, the guide sliding blocks are assembled in the guide sliding grooves in a sliding mode, the width of the sealing plate is equal to that of the interface, the width of the interface groove is equal to that of the assembly cavity, the guide sliding grooves extend to two sides of the inner wall of the interface groove, and the outer portion of the sealing plate is provided with an outward-protruding shifting block.
As a preferred technical scheme, the locking piece adopts a locking screw, when the sealing plate moves upwards to the extreme position, the locking screw is locked into a screw hole arranged in the assembly cavity to limit the bottom of the sealing plate, and a rubber sealing layer is arranged on the inner side surface of the sealing plate; the wire outlet hole is formed by butt joint of a first arc-shaped notch arranged at the top of the interface groove and a second arc-shaped notch arranged at the top of the sealing plate.
The invention has the beneficial effects that: when the stepping motor is normally used, the interface is completely hidden in the shell, only one connecting wire is exposed, the connection tightness between the interface and the joint is higher due to the structure, the interface groove is sealed by the sealing plate, so that the waterproofness of the whole stepping motor can be further improved, meanwhile, the structure can effectively prevent the interface and the joint from loosening, reduce the interference of external factors on the joint of the interface and the joint, improve the stability of the stepping motor during use and prolong the service life of the interface, the joint and the whole stepping motor;
the interface is linked with the sealing plate, so that when the wiring needs to be replaced by plugging, the interface can be exposed by resetting the sealing plate, the interface can be automatically hidden after the sealing plate seals the interface slot, the requirement of later replacement and use is met, and the operation is very convenient;
the end cover and the shell can be locked only by one screw, the end cover is more convenient to disassemble and assemble and the interior of the stepping motor is more convenient to overhaul, the interface is hidden when the stepping motor is normally used due to the linkage structure of the sealing plate and the interface, the interface is exposed when the stepping motor needs to be overhauled, the operation is very convenient, the end cover and the operation interface are assembled and disassembled, and the structural design is more reasonable;
the locking wire can be made of metal materials, and is arranged in the shell and around the shell, and when the stepping motor is normally used, part of the locking wire is exposed in the air, so that the locking wire can absorb heat generated by the stepping motor during working and guide the heat to the outside for heat dissipation, the heat dissipation efficiency of the stepping motor can be further improved, the stability during use is improved, and the service life of the whole stepping motor is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a perspective view of the closure of the present invention as a whole when open;
FIG. 2 is a perspective view of the closure plate of the present invention shown in its closed configuration;
FIG. 3 is a schematic back view of the stepping motor according to the present invention;
FIG. 4 is a schematic cross-sectional view of the closure plate of the present invention when open;
FIG. 5 is an enlarged view of a portion of the invention at A in FIG. 4;
FIG. 6 is an enlarged view of a portion of the invention at B in FIG. 4;
FIG. 7 is an enlarged view of a portion of the invention at D in FIG. 4;
FIG. 8 is an enlarged view of a portion of the invention at E in FIG. 4;
FIG. 9 is a schematic cross-sectional view of the interface of the present invention with the fittings installed;
FIG. 10 is a bottom view of the interface and backplane of the present invention;
fig. 11 is a partial enlarged view of the invention at C in fig. 3.
Detailed Description
All of the features disclosed in this specification, or all of the steps of any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
In the description of the present invention, it is to be understood that the terms "one end", "the other end", "outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.
Further, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
The use of terms such as "upper," "above," "lower," "below," and the like in describing relative spatial positions herein is for the purpose of facilitating description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly
In the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "sleeved," "connected," "penetrating," "plugged," and the like are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1, 2 and 4, the stepping motor of the present invention comprises a casing 1, an end cover 2, a rotor 3 and a stator 16, wherein the stator 16 is installed in the casing 1, the rotor 3 is assembled in the middle of the stator 16 and sealed by the end cover 2, one end of the end cover 2 is hinged to the casing 1 by a hinge 12, a movable end is arranged between one side of the end cover 2 away from the hinge 12 and the casing 1, one side of the movable end of the end cover 2 is detachably installed with a plurality of first locking wires 9, the plurality of first locking wires 9 are routed from a first routing channel 24 inside the casing 1 and extend out from an assembly cavity 8 at the other end of the casing 1, a seal plate 7 is movably installed in the assembly cavity 8, the bottom of the seal plate 7 is locked and fixed with the plurality of first locking wires 9 extending into the assembly cavity 8, the first locking wires 9 are pulled by pushing the seal plate 7 upwards to lock the movable end of the end cover 2 and the casing 1, the bottom of the sealing plate 7 is locked and limited by a locking piece 31 after being pushed upwards;
the upper end of the stator 16 is fixedly provided with a control panel 21, the control panel 21 is provided with a movable interface 5, one side of an end cover opposite to the interface 5 is provided with a corresponding interface slot 4, the bottom of the interface slot 4 is in butt joint with the assembly cavity 8 for conduction, when the sealing plate 7 is inserted into the interface slot 4 from bottom to top, the interface 5 is completely retracted into the shell 1 and the end cover 2, at the moment, a wire outlet is formed between the upper end surface of the sealing plate 7 and the top surface of the interface slot 4, the driver connecting wire 101 penetrates through the wire outlet to be connected with the driver, so that only the driver connecting wire is exposed when the whole stepping motor is in normal use, the interface is not exposed, the waterproofness can be effectively increased, the sealing performance of the interface is increased, the interface can be better protected, meanwhile, the disconnection between the interface and the connector 100 can be prevented, as shown in fig. 9, and the connection is more reliable and stable.
The interface 5 is located at two sides of the interior of the casing 1 and is respectively connected with a second locking wire 20, the two second locking wires 20 avoid the position of the rotor 3 and are connected to a second wiring channel 23 of the interior of the casing 1, and are connected to the assembly cavity 8 after being wired from the interior of the second wiring channel 23, a second locking wire 20 which is connected into the assembly cavity 8 is locked and fixed with the bottom of the sealing plate 7, when the sealing plate 7 is pushed from bottom to top, the second locking wire 20 is pulled, the interface 5 is pulled into the shell 1 and the end cover 2, when the sealing plate is pulled down and opened, the interface 5 is positioned outside and exposed out of the shell through the second locking wire 20, at the moment, the driver connecting wire can be conveniently plugged and pulled out, when the sealing plate is pushed upwards, the second locking wire is pulled out, and then drag the interface into the inside of casing, realize hiding the interface, unusual convenience satisfies the interface when using with not using various demands.
The first routing channel 24 and the second routing channel 23 are both U-shaped, and are all arranged around the casing 1 from top to bottom, the wire inlet end of the first routing channel 24 is located on the top end face of the casing 1 far away from one face of the sealing plate, the wire inlet end of the second routing channel 23 is located on the inner side face of the casing 1, as shown in fig. 8, the second locking wire 20 is routed from the inside of the casing 1 and is connected into the second routing channel 23 from the wire inlet end of the second routing channel 23.
As shown in fig. 6 and 10, a bottom plate 19 is fixedly mounted on the upper end surface of the control plate 21 through screws, two sliding grooves 191 are respectively formed on two sides of the bottom plate 19, a sliding assembly cavity 55 is formed at the bottom of the interface 5, the interface 5 is slidably assembled on the bottom plate 19 through the sliding assembly cavity 55, a guide slider 51 is respectively arranged on the interface 5 facing the sliding grooves 191, a first spring 35 is fixedly arranged in each sliding groove 191, one end of the first spring 35 is fixedly bonded with one side of the sliding groove 191, the other end of the first spring 35 is fixedly bonded with the guide slider 51 arranged in the sliding groove 191, the interface 5 is ejected to the outside through the first spring 35, the sealing plate is pulled down to be opened through the action of the first spring 35, the interface 5 is ejected to the outside of the casing 1, when the sealing plate 7 is pushed up to be closed, the interface 5 is pulled into the casing 1 through the second locking wire 20, and the guide slider 51 moves relative to the first spring 35, the first spring 35 is further compressed, so that the mouthpiece 5 can be ejected to the outside by the first spring 35 after the closure plate is opened.
As shown in fig. 6, the interface 5 is connected to the control board 21 through the spring connection line 18, and the spring connection line 18 is used to meet the motion requirement of the interface; one side of the two sides of the upper end of the bottom plate 19, which is far away from the interface, is respectively provided with a guide roller 34, one end of the second locking wire 20 is connected with the interface 5 through a first threaded joint, the other end of the second locking wire 20 is connected with the bottom of the sealing plate 7 through a second threaded joint in a threaded manner, the second locking wire 20 is arranged at the outer side end of the guide roller 34, the guide roller 34 is used for guiding the second locking wire 20 during traction, and the two second locking wires 20 can be outwards stretched, so that the use of a rotor is not influenced.
Wherein, all be provided with a section of first pull section 36 and second pull section 37 in the first wire routing channel 24, first pull section 36 is greater than the internal diameter of first wire routing channel 24 with second pull section 37 internal diameter, first wire routing channel 24 forms one section steel wire between first pull section 36 and second pull section 37 and accomodates section 91, the first locking wire that is located steel wire and accomodates section 91 is the corrugate, during the first locking wire 9 of tractive, can make the first locking wire straightening of corrugate, and then make shrouding 7 rise.
As shown in fig. 5, the first drawing sections 36 are each provided with a second spring 15, the first locking wires 9 located in the first drawing sections 36 are provided with a first piston block 39, the second springs 15 are sleeved outside the first locking wires 9, one end of each second spring is in end surface contact with the piston end, the other end of each second spring is in end surface contact with the first drawing section 36, and the first piston block 39 is arranged at a side close to the second drawing section 37, so that when the sealing plate is drawn, the first piston block 39 rises, at this time, the second springs 15 are pressed, the first locking wires 9 in the corrugated bending shape are straightened, and the sealing plate 7 is drawn continuously after being straightened;
as shown in fig. 7, a third spring 14 is arranged in each second drawing section 37, a second piston block 40 is arranged on the first locking wire 9 in each second drawing section, the third spring 14 is sleeved outside the first locking wire 9, one end of the third spring 14 is in end surface contact with one side of the second piston block 40, the other end of the third spring is in end surface contact with the second drawing section 37, and the second piston block 40 is arranged on the side close to the first drawing section 36;
an O-shaped elastic support ring 38 is arranged in the second drawing section 37 and close to the first drawing section 36, the other end face of a second piston block 40 is in contact support with the elastic support ring 38, the other end of the elastic support ring 38 is in contact support with the end face of the second drawing section 37, when a first locking wire in the steel wire accommodating section is straightened, the second piston block 40 fixed on the first locking wire 9 can move towards the direction of a first piston block 39 along with the continuous rising of the sealing plate 7, due to the arrangement of the elastic support ring 38, the elastic support ring can be deformed and flattened, when the elastic support ring is flattened, a locking member can be locked at the closed bottom, the bottom of the sealing plate is limited by the locking member to prevent the sealing plate from resetting, meanwhile, the whole first locking wire is in a completely tensioned state at this time, the movable end of the end cover and the movable end of the machine shell are also tensioned at this time, and the locking and sealing between the end cover and the machine shell can be completed, so the elastic support circle here is the key point, and is general, and the steel wire in the section is accomodate to the steel wire is at the back of flare-outing, as long as the shrouding is upwards promoted to exerting oneself again, can lock retaining member behind the extrusion elastic support circle this moment, accomplishes the locking of end cover and casing expansion end, and the elastic support circle can adopt arbitrary one kind to have the elasticity resilience ability elastic rubber material to make in this embodiment.
The top of the casing is provided with a first bearing 22, the bottom of the casing is provided with a second bearing 25, and the first routing channel 24 and the second routing channel 23 are arranged to avoid the bearings.
In this embodiment, one end of each first locking wire 9 is provided with a third threaded joint, which is connected and fixed with the bottom of the sealing plate through the third threaded joint, the other end of each first locking wire 9 is integrally provided with a fixture block 92, a position of each end cover 2 facing each first wiring channel is provided with a fixture groove 28, the end cover 2 at the bottom of each fixture groove 28 is provided with a cavity 27, a wiring groove 29 is provided between the cavity 27 and the fixture groove 28, a U-shaped rubber sleeve (not shown) is fastened in the wiring groove 29, the fixture block 92 of each first locking wire 9 is fastened from the outside into the fixture groove 28, the first locking wire 9 is fastened into the rubber sleeve of the wiring groove 29 and then extends into the first wiring channel 24 inside the casing 1, as shown in fig. 3 and 11, when the end cover 2 needs to be opened, we only need to detach the locking member 31, and then the sealing plate 7 descends and resets under the action of the second spring, locking silk in the section is accomodate to the steel wire this moment forms the crooked form of ripple, we only need open the expansion end one end of end cover and casing this moment, along with opening of end cover, the second piston piece removes towards the direction of keeping away from first piston piece, the third spring pressurized, the locking silk that is the crooked form of ripple is flare-outs, we only need at this moment with the fixture block 92 of first locking silk 9 outwards pull out in draw-in groove 28 can, make the rubber sleeve separation in first locking silk 9 and the wiring groove 29, can open the end cover this moment, during the end closure, as long as the artifical fixture block of pinching, then pull out first locking silk, the fixture block of first locking silk is blocked to the draw-in groove again and can be accomplished and lay, the locking of end cover and casing open end can be accomplished to upwards lifting this moment and drawing the shrouding.
The two sides of the sealing plate 7 are respectively provided with a guide sliding block 26, two sides of the assembly cavity 8 opposite to the guide sliding blocks 26 are respectively provided with a guide sliding groove 17, the guide sliding blocks 26 are assembled in the guide sliding grooves 17 in a sliding mode, the width of the sealing plate 7 is equal to that of the interface, the width of the interface groove 4 is equal to that of the assembly cavity 8, the guide sliding grooves extend to two sides of the inner wall of the interface groove, the outer portion of the sealing plate is provided with a convex shifting block 13, the sealing plate 7 is rapidly operated through the shifting block 13, the sealing plate can be buckled into the interface groove through pushing and pulling, due to the fact that the second locking threads are arranged, when the sealing plate is pushed upwards, the interface can be dragged into the machine shell, and when the sealing plate is completely pushed into the interface groove, the whole interface is completely retracted into the machine shell to be hidden.
In this embodiment, the locking member 31 is a locking screw, and when the sealing plate moves upward to the extreme position, the locking screw is locked into a screw hole (not shown) arranged in the assembly cavity to limit the bottom of the sealing plate 7, that is, only the screw hole is exposed, which means that the whole end cover and the casing are pressed tightly; the inner side surface of the sealing plate is provided with a layer of rubber sealing layer, so that the sealing performance after sealing is improved; the wire outlet is formed by butt joint of a first arc-shaped notch arranged at the top of the interface groove and a second arc-shaped notch arranged at the top of the sealing plate, and the sealing plate, the end cover and the interface can be operated as long as the locking piece is detached.
The invention has the beneficial effects that: when the stepping motor is normally used, the interface is completely hidden in the shell, only one connecting wire is exposed, the connection tightness between the interface and the joint is higher due to the structure, the interface groove is sealed by the sealing plate, so that the waterproofness of the whole stepping motor can be further improved, meanwhile, the structure can effectively prevent the interface and the joint from loosening, reduce the interference of external factors on the joint of the interface and the joint, improve the stability of the stepping motor during use and prolong the service life of the interface, the joint and the whole stepping motor;
the interface is linked with the sealing plate, so that when the wiring needs to be replaced by plugging, the interface can be exposed by resetting the sealing plate, the interface can be automatically hidden after the sealing plate seals the interface slot, the requirement of later replacement and use is met, and the operation is very convenient;
the end cover and the shell can be locked only by one screw, the end cover is more convenient to disassemble and assemble and the interior of the stepping motor is more convenient to overhaul, the interface is hidden when the stepping motor is normally used due to the linkage structure of the sealing plate and the interface, the interface is exposed when the stepping motor needs to be overhauled, the operation is very convenient, the end cover and the operation interface are assembled and disassembled, and the structural design is more reasonable;
the locking wire can be made of metal materials, and is arranged in the shell and around the shell, and when the stepping motor is normally used, part of the locking wire is exposed in the air, so that the locking wire can absorb heat generated by the stepping motor during working and guide the heat to the outside for heat dissipation, the heat dissipation efficiency of the stepping motor can be further improved, the stability during use is improved, and the service life of the whole stepping motor is prolonged.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.
Claims (10)
1. The utility model provides a stepping motor, includes casing, end cover, rotor and stator, and the stator is installed in the casing, and the rotor assembly is in the middle of the stator and through end cover seal, its characterized in that: one end of the end cover is hinged with the casing through a hinge, a movable end is arranged between one side of the end cover, which is far away from the hinge, and the casing, a plurality of first locking wires are detachably arranged on one side of the movable end of the end cover, the plurality of first locking wires are wired from a first wiring channel in the casing and extend out of an assembly cavity at the other end of the casing in a parallel winding manner, a sealing plate is movably arranged in the assembly cavity, the bottom of the sealing plate is fixedly locked with the plurality of first locking wires extending into the assembly cavity, the sealing plate is pushed upwards to draw the first locking wires so as to lock the movable end of the end cover and the casing, and the bottom of the sealing plate is locked and limited through a locking piece after being pushed upwards;
the upper end of the stator is fixedly provided with a control panel, the control panel is provided with a movable interface, one side of the end cover opposite to the interface is provided with a corresponding interface groove, the bottom of the interface groove is in butt joint conduction with the assembly cavity, when the sealing plate is inserted into the interface groove from bottom to top, the interface is completely retracted into the shell and the end cover, a wire outlet hole is formed between the upper end surface of the sealing plate and the top surface of the interface groove, and a driver connecting wire passes through the wire outlet hole to be connected with a driver,
the interface is located the inside both sides of casing and connects a second locking silk respectively, and two second locking silks avoid the position of rotor to insert to the inside second of casing and walk the line passageway to walk the line from the second and insert the assembly intracavity after walking the line inside the line passageway, it inserts the second locking silk of assembly intracavity and locks fixedly bottom the shrouding, and tractive second locking silk when the shrouding promotes from bottom to top, and drag the interface into to inside casing and the end cover.
2. The stepping motor according to claim 1, wherein: the first wiring channel and the second wiring channel are both U-shaped and are arranged around the casing from top to bottom, the wire inlet end of the first wiring channel is arranged on the end face of the top of the casing, which is far away from one face of the sealing plate, the wire inlet end of the second wiring channel is arranged on the inner side face of the casing, and the second locking wire is arranged inside the casing and is connected into the second wiring channel from the wire inlet end of the second wiring channel.
3. The stepping motor according to claim 1, wherein: the upper end face of the control panel is fixedly provided with a bottom plate through screws, two sides of the bottom plate are respectively provided with a sliding groove, the bottom of the interface is provided with a sliding assembly cavity, the interface is assembled on the bottom plate through the sliding assembly cavity in a sliding manner, the interface right facing the sliding groove is provided with a guide sliding block, a first spring is fixedly arranged in the sliding groove, one end of the first spring is fixedly bonded with one side of the sliding groove, the other end of the first spring is fixedly bonded with the guide sliding block arranged in the sliding groove, and the interface is ejected to the outside through the first spring.
4. The stepping motor according to claim 3, wherein: the interface passes through spring coupling line connection control panel, and bottom plate upper end both sides are kept away from the interface and are respectively provided with a guide roller, and the one end and the interface of second locking silk are through first screwed joint connection, and the other end of second locking silk passes through second screwed joint and shrouding bottom threaded connection, and second locking silk cloth is established at guide roller's outside end.
5. The stepping motor according to claim 1, wherein: all be provided with a section first pull section and second pull section in the first line passageway of walking, first pull section and second pull section internal diameter are greater than the internal diameter of first line passageway of walking, first line passageway forms one section steel wire between first pull section and second pull section and accomodates the section, and the first lock silk that is located the steel wire and accomodates the section is the ripple curved form.
6. The stepping motor according to claim 5, wherein: the first drawing section is internally provided with a second spring, a first piston block is arranged on the first locking wire positioned in the first drawing section, the second spring is sleeved outside the first locking wire, one end of the second spring is contacted with the end face of the piston end, the other end of the second spring is contacted with the end face of the first drawing section, and the first piston block is arranged on one side close to the second drawing section;
a third spring is arranged in each second drawing section, a second piston block is arranged on the first locking wire in each second drawing section, the third springs are sleeved outside the first locking wires, one end of each third spring is in contact with the end face of one side of each second piston block, the other end of each third spring is in contact with the end face of each second drawing section, and each second piston block is arranged on the side close to the corresponding first drawing section;
an O-shaped elastic support ring is arranged in the second drawing section and close to the first drawing section, the end face of the other side of the second piston block is in contact support with the elastic support ring, and the other end of the elastic support ring is in contact support with the end face of the second drawing section.
7. The stepping motor according to claim 1, wherein: the top of casing is provided with first bearing, and the bottom of casing is provided with the second bearing, and the bearing setting is all avoided to first line passageway and second line passageway.
8. The stepping motor according to claim 1, wherein: the one end of first lock silk all is provided with the third screwed joint, it is fixed through third screwed joint with the shrouding bottom, the other end integral type of first lock silk sets up a fixture block, just all be provided with a draw-in groove to every first position of walking the line passageway on the end cover, a cavity all is seted up on the end cover of draw-in groove bottom, be provided with the wiring groove between cavity and the draw-in groove, all withhold one in the wiring groove and be the rubber sleeve of "U" type, the fixture block of first lock silk is withheld from the outside in going into from the draw-in groove, first lock silk is withheld and is stretched into to the inside first line passageway of walking of casing after going into in the rubber sleeve of wiring groove.
9. The stepping motor according to claim 1, wherein: the both sides of shrouding are provided with a direction slider respectively, are provided with the direction spout respectively just to the assembly chamber both sides of direction slider, and the direction slider sliding assembly is in the direction spout, and the width of shrouding equals the width of interface, and the width of interface groove equals the width in assembly chamber, and the direction spout extends to interface groove inner wall both sides, and the outside of shrouding is provided with the shifting block of evagination.
10. The stepping motor according to claim 1, wherein: the locking piece adopts a locking screw, when the sealing plate moves upwards to the limit position, the locking screw is locked into a screw hole arranged in the assembly cavity to limit the bottom of the sealing plate, and a rubber sealing layer is arranged on the inner side surface of the sealing plate; the wire outlet hole is formed by butt joint of a first arc-shaped notch arranged at the top of the interface groove and a second arc-shaped notch arranged at the top of the sealing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210384971.5A CN114499014B (en) | 2022-04-13 | 2022-04-13 | Stepping motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210384971.5A CN114499014B (en) | 2022-04-13 | 2022-04-13 | Stepping motor |
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| CN114499014A true CN114499014A (en) | 2022-05-13 |
| CN114499014B CN114499014B (en) | 2022-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210384971.5A Active CN114499014B (en) | 2022-04-13 | 2022-04-13 | Stepping motor |
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| CN215817734U (en) * | 2021-08-16 | 2022-02-11 | 常州市德利来电器有限公司 | External cooling type totally-enclosed direct current motor |
| CN114233646A (en) * | 2022-01-13 | 2022-03-25 | 温岭市博龙机电有限公司 | Water pump with external battery |
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| KR20100002520U (en) * | 2008-08-28 | 2010-03-10 | 현대제철 주식회사 | Motor Casing Structure |
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| CN114233646A (en) * | 2022-01-13 | 2022-03-25 | 温岭市博龙机电有限公司 | Water pump with external battery |
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| CN114499014B (en) | 2022-07-08 |
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