CN212278097U

CN212278097U - Connection structure, stator assembly and move linear electric motor for door

Info

Publication number: CN212278097U
Application number: CN202021245191.5U
Authority: CN
Inventors: 林孝发; 林孝山; 李帅宇; 叶鸿钦; 邹文峰
Original assignee: Jomoo Kitchen and Bath Co Ltd
Current assignee: Jomoo Kitchen and Bath Co Ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-01-01
Anticipated expiration: 2030-06-30

Abstract

The utility model discloses a connection structure, stator assembly and move linear electric motor for door. The connecting structure is used for connecting two stator assemblies in the linear motor, and the connecting assembly is suitable for being fixedly connected with any one stator assembly; a clamping mechanism or a locking mechanism is arranged between the at least one stator assembly and the connecting assembly and is suitable for moving relative to the connecting assembly along the connecting direction; when the stator assembly is in a locking state, the two stator assemblies are fixedly connected with the connecting assembly; in the adjustment state, the at least one stator assembly is adapted to move in the connection direction. In the stator assembly, two adjacent stator assemblies are connected through a connecting structure; the main body accommodates each stator assembly in a locked state; the fixed cover of the fixed plug is arranged at the port of the main body. The linear motor for the sliding door comprises a control component, a rotor component and a stator assembly. The connecting structure, the stator assembly and the linear motor for the sliding door are simple in structure, the distance between the two stator assemblies is adjustable, and the problem of poor size adaptability of the linear motor in practical application can be solved.

Description

Connection structure, stator assembly and move linear electric motor for door

Technical Field

The utility model relates to a linear electric motor technical field, concretely relates to connection structure, stator assembly and move linear electric motor for door.

Background

The linear motor is a power device which drives a rotor assembly to generate linear motion by utilizing an electromagnetic induction principle, and compared with power devices which indirectly generate linear motion, such as a rotary motor, a rolling screw rod and the like, the linear motor is widely applied due to the advantages of small moving resistance, silence, small occupied space of the structure, high moving precision and the like.

The electric sliding door in the market at present is also commonly applied to the linear motor, and the opening and closing of the sliding door can be realized by transferring the motion of the rotor assembly to the sliding door, but the moving range of the rotor assembly is determined, so that the rotor assembly cannot be adapted to door openings with different width sizes, the applicability of the linear motor is not high, the customization is strong, and the linear motor is various in product types, high in selection difficulty and high in cost.

To the above problem, patent CN108286385A discloses a linear motor for sliding door, which realizes the function of increasing and adjusting the range in which the rotor assembly can move by setting up a controller and an adjusting member between two stators, however, because the adjustment of the distance between two stator assemblies can be realized by increasing or decreasing the motor driving adapter, therefore, not only is the connection structure complex, but also the operation is complex, and the increase of the motor driving adapter can gradually increase the cost, the failure rate can also be correspondingly increased, which is not beneficial to meeting the market demand.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the above-mentioned defect or the problem that exist among the background art, provide a connection structure, stator assembly and move a linear electric motor for door, its simple structure, two stator module's interval is adjustable, size suitability is poor when can solving linear electric motor practical application problem.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a connecting structure is used for connecting two stator assemblies in a linear motor and is characterized by comprising a connecting assembly; the connecting assembly is configured to be fixedly connected with any stator assembly; a clamping mechanism or a locking mechanism is arranged between at least one of the two stator assemblies and the connecting assembly and is suitable for moving relative to the connecting assembly along the connecting direction;

the two stator components have a locking state and an adjusting state; when the stator assembly is in a locking state, the two stator assemblies are fixedly connected with the connecting assembly, wherein the stator assembly suitable for moving relative to the connecting assembly is fixed on the connecting assembly by a clamping mechanism or a locking mechanism; when the state is adjusted, the clamping mechanism or the locking mechanism is unlocked, and the corresponding stator assembly is suitable for moving along the connecting direction.

Furthermore, the locking mechanism is a screw connector; the connecting assembly and the stator assembly which is suitable for moving relative to the connecting assembly are provided with corresponding screw holes.

Furthermore, at least one stator assembly is provided with at least two clamping positions along the connecting direction; the connecting component is provided with an elastic clamping part; the clamping part and the clamping position are matched to form the clamping mechanism;

when the locking state is carried out, the stator assembly provided with the clamping positions is clamped with any one of the clamping positions through the clamping part to realize fixation; when the adjusting state is carried out, the clamping part exits the clamping position, and the stator assembly provided with the clamping position is suitable for sliding relative to the connecting assembly along the connecting direction.

Furthermore, the stator assembly, which is provided with a clamping position relative to the connecting assembly, is limited along the deformation direction of the clamping part.

Further, the connection assembly is configured to be adapted to be plugged into the stator assembly in a connection direction; one of the stator assembly and the connecting assembly is provided with a sliding groove extending along the connecting direction, and the other one of the stator assembly and the connecting assembly is provided with a pin shaft or a bolt suitable for sliding relative to the sliding groove.

Further, the connecting assembly is provided with an elastic arm extending along the connecting direction; the elastic arm forms the clamping part and is provided with a bulge; the clamping position is a groove suitable for being clamped with the protrusion.

Further, the connecting assembly comprises a connecting piece and an elastic piece; the connecting piece is in a rod shape with a cross section in a shape of 'V', two opposite side walls of the connecting piece are penetrated by a pin shaft or a bolt and are respectively provided with the corresponding sliding grooves; the elastic sheet comprises a base plate and the elastic arm which are integrally formed; the base plate is fixedly connected to the inner bottom surface of the connecting piece.

Further, the elastic arm includes a bent portion and an abutting portion extending in the connecting direction; the bending part is connected with the substrate and the abutting part; the abutting part is used for abutting against the inner wall of the stator assembly and is provided with the bulge.

Further, both of the stator assemblies include a base; the base is connected with the connecting piece, the cross section of the part of the base connected with the connecting piece is in a shape of 'T', the groove is arranged on the inner bottom surface of the part, and the pin shaft or the bolt is arranged between the two opposite side walls of the part in a spanning mode.

The technical scheme also provides a stator assembly which comprises at least two stator components, a main body and two fixing plugs; the two adjacent stator assemblies are connected through the connecting structure; the main body is hollow and is used for accommodating each stator assembly in a locking state; two fixed stopper is fixed respectively and is covered two ports departments of locating the main part.

Further, the fixing plug is provided with a wedge-shaped tightening part; when the fixed stopper in the port department of main part is fixed in place, compel tight portion compel tightly in main part inner wall with be close to the main part port between stator module's the outer wall.

The technical scheme also provides a linear motor for the sliding door, which comprises a control assembly, a rotor assembly and the stator assembly; the control assembly is electrically connected with each stator assembly; the rotor assembly is fixedly connected with the sliding door and forms magnetic field coupling with each stator assembly; the stator assembly is fixed with a door lintel or a wall body.

As can be seen from the above description of the present invention, compared with the prior art, the present invention has the following advantages:

1. in the connection structure provided by the technical scheme, the connection assembly is connected between the two stator assemblies, so that the movable stroke of the rotor assembly in the linear motor is larger, wherein the two stator assemblies have two states after being connected by the connection assembly, and in the adjustment state, the clamping mechanism or the locking mechanism used for limiting the stator assembly and the connection assembly to move along the connection direction is unlocked; in the locking state, the corresponding stator assemblies and the connecting assemblies are locked again by adopting a clamping mechanism or a locking mechanism, the distance between the two stator assemblies in the connecting direction is locked again, and the movable range of the rotor assembly is correspondingly determined again; this technical scheme can realize the interval adjustment of two stator module through a coupling assembling, guarantees that linear electric motor has stronger product adaptability, and this connection structure's form is comparatively simple, and does not have the problem that the cost increases gradually step by step, in addition, owing to need not to carry out the dismouting to coupling assembling during the regulation, therefore the operation degree of difficulty is less.

2. In the connection structure provided by the technical scheme, the stator assembly and the connection assembly are locked by the screw connector, and the structure is simple and easy to operate.

3. In the connecting structure provided by the technical scheme, the stator assembly and the connecting assembly are locked in the connecting direction through a clamping mechanism formed by matching the clamping part with the clamping position, wherein in the adjusting state, the clamping position in the connecting assembly is elastically deformed to be separated from the clamping position, the stator assembly provided with the clamping position can slide relative to the connecting assembly, when the stator assembly is actually applied, the position of the stator assembly relative to the connecting assembly can be adjusted according to the range of the moving required by the rotor assembly, when the stator assembly is adjusted in place, the clamping part on the connecting assembly is matched with other clamping positions, and the distance between the two stator assemblies is re-determined; in the locking state, the clamping part is aligned with the clamping position, so that the deformation of the clamping part is recovered, the clamping relation between the clamping part and the clamping position is reestablished, the distance between the two stator assemblies in the connecting direction is locked again, and the movable range of the rotor assembly is correspondingly determined again; by adopting the clamping mechanism, an operator can operate the adjusting state and the locking state of the stator assembly without carrying out excessive operation, the operation is more convenient, and the function is reliable.

4. In the connection structure that this technical scheme provided, because coupling assembling has along the spacing of clamping portion change direction with being equipped with between the stator module of clamping position, just also promoted the stability of clamping portion and clamping position joint under the locking state, reduce the stator module that is equipped with the clamping position and coupling assembling and take place not hard up or the risk that the relative position changes, avoid linear electric motor function to become invalid.

5. In the connection structure provided by the technical scheme, the connection assembly is configured to be suitable for being inserted into the stator assembly along the connection direction, namely the connection assembly and the stator assembly form a telescopic sleeving fit relationship, the stability between the connection assembly and the stator assembly is good, and the connection relationship which only has the freedom degree along the connection direction is easy to form, so that the purposes of improving the reliability of the limiting of the clamping part and the clamping position and reducing the risk that the clamping part moves along the deformation direction to be separated from the clamping position in the locking state are achieved; wherein, form sliding fit relation through round pin axle or bolt and spout between coupling assembling and the stator module, its simple structure and easily assembly.

6. In the connection structure that this technical scheme provided, the card portion of pulling on the coupling assembling comprises being equipped with bellied elastic arm, and the card position of pulling comprises the recess that is formed in stator module, and elastic arm along with the direction deformation of direction of connection vertically or reset, can drive arch and recess on it and break away from or the joint, and it is little that the operation degree of difficulty that deformation takes place for the elastic arm during actual operation, and the switching of lock-up state and regulation state just also is convenient for realize.

7. In the connection structure provided by the technical scheme, the connection assembly is of a split structure comprising the connection piece and the elastic sheet, so that the forming difficulty of parts is favorably reduced, wherein the cross section of the connection piece is in a shape of a rod, two opposite side walls of the connection piece are used for forming a stable sliding fit relation with the stator assembly, and a larger installation space is reserved for the elastic sheet on the inner bottom surface of the connection piece, so that the elastic sheet has better stability.

8. In the connection structure provided by the technical scheme, the elastic arm comprises a bending part and a butting part; base plate and butt portion are connected to the kink, and butt portion then is used for forming the joint relation with stator module, and during practical application, operating personnel accessible butt kink makes whole elastic arm along deformation direction deformation and drive butt portion break away from the active cell subassembly, reduces the operation degree of difficulty.

9. In the connecting structure provided by the technical scheme, the cross section of the part of the base connected with the connecting piece is in a shape of the Chinese character 'ji', the shape of the cross section is matched with that of the connecting piece, effective rotation stopping can be formed between the base and the connecting piece, clamping failure is avoided, the connecting piece can be placed in the connecting structure from one side of the opening of the base, and the operation is convenient.

10. According to the stator assembly provided by the technical scheme, the two adjacent stator assemblies are connected by adopting the connecting structure, so that the stator assembly inherits all advantages of the connecting structure, namely, the linear motor applying the stator assembly is ensured to have stronger product adaptability, the structure is simple, the cost is low, the structure is not required to be disassembled and assembled during adjustment, and the operation difficulty is small; the setting of main part and fixed stopper is favorable to ensureing on the one hand that the stability between each stator module and the coupling assembling is difficult to be destroyed, and on the other hand makes the wholeness of product better, and the structure is comparatively succinct, be convenient for transportation and assembly.

11. The stator assembly that this technical scheme provided through set up on the fixed plug and compel tight portion for in two stator module that are close to in the main part both ends port can be fixed in the main part, be favorable to further promoting the stability of each stator module and destroyed in order to avoid the locking state of each stator module.

12. According to the linear motor for the sliding door, due to the fact that the stator assembly is adopted, when the linear motor is used, the distance between the stator assemblies can be adjusted according to the width size of the door opening, and therefore the mover assembly can drive the sliding door to be reliably opened and closed within the range of the door opening with the corresponding width.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic view of a three-dimensional exploded structure of a connection structure and a stator assembly according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of a connecting structure and a stator assembly according to an embodiment of the present invention;

fig. 3 is a schematic perspective exploded view of a stator assembly according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a fixing plug in a stator assembly according to an embodiment of the present invention;

fig. 5 is a schematic cross-sectional view of a fixing plug in a stator assembly according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a stator assembly according to an embodiment of the present invention.

Description of the main reference numerals:

a stator assembly 10; a base 11; a first side wall 111; a second sidewall 112; a first bottom wall 113; a bolt 114; a recess 110; a stator module 12; a connecting assembly 2; a connecting member 21; the third side wall 211; a fourth side wall 212; a second bottom wall 213; a chute 210; a spring plate 22; a substrate 221; a resilient arm 222; a bent portion 2221; an abutment portion 2222; protrusions 2220; a main body 20; a fixed plug 30; the packing portion 31; a threaded hole 32; a stator assembly 100.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are preferred embodiments of the invention and should not be considered as excluding other embodiments. Based on the embodiment of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention.

In the claims, the specification and the drawings, unless otherwise expressly limited, the terms "first," "second," or "third," etc. are used for distinguishing between different elements and not for describing a particular sequence.

In the claims, the specification and the drawings, unless otherwise expressly limited, to the extent that directional terms such as "center", "lateral", "longitudinal", "horizontal", "vertical", "top", "bottom", "inner", "outer", "upper", "lower", "front", "rear", "left", "right", "clockwise", "counterclockwise" and the like are used, the positional or orientational relationships illustrated in the drawings are based on the positional and orientational relationships illustrated in the drawings and are merely for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element so referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be construed as limiting the scope of the present invention in any way.

In the claims, the description and the drawings of the present application, unless otherwise expressly limited, the term "fixedly connected" or "fixedly connected" is used, which is to be understood broadly, that is, any connection mode without displacement relation or relative rotation relation between the two, that is, including non-detachably fixed connection, integrated connection and fixed connection through other devices or elements.

In the claims, the specification and the drawings, the terms "including", "comprising" and variations thereof, if used, are intended to be inclusive and not limiting.

Example of connection Structure

Referring to fig. 1 to 2, fig. 1 to 2 show schematic structural diagrams of a connection structure provided by an embodiment of the present invention, as shown in fig. 1 to 2, the connection structure is used to connect two stator assemblies 10 in a linear motor, and a function of the connection structure in this embodiment, which is more specific, is to adjust a distance between two stator assemblies 10 in the linear motor; in order to improve the stroke range of the mover assembly in the linear motor, the linear motor adopting at least two and more than two stator assemblies 10 is widely applied to products, however, in the common linear motor in the prior art, the distance adjustment cannot be realized between the stator assemblies 10, which results in the problem that the mover assembly cannot meet the requirements of products adapting to different sizes, the embodiment is directed to the above situation, by adopting the connection structure, the sliding fit is combined with the clamping or the fixed connection, a scheme capable of conveniently adjusting the distance between the two stator assemblies 10 is provided, thereby ensuring that the mover assembly in the linear motor can be adapted to the products of different sizes according to the change of the relative position between the stator assemblies 10 under the condition that the mover assembly and the stator assemblies 10 can form an effective magnetic field coupling effect, and greatly improving the market demand rate.

Specifically, the connection structure includes a connection assembly 2; the connecting assembly 2 is positioned between two stator assemblies 10 and is configured to be fixedly connected with any one of the stator assemblies 10; a clamping mechanism or a locking mechanism is arranged between at least one of the two stator assemblies 10 and the connecting assembly 2 and is suitable for moving relative to the connecting assembly 2 along the connecting direction; the two stator assemblies 10 have a locked state and an adjusted state; in a locking state, the two stator assemblies 10 are fixedly connected with the connecting assembly 2, wherein the stator assemblies 10 which are suitable for moving relative to the connecting assembly 2 are fixed on the connecting assembly 2 by a clamping mechanism or a locking mechanism; in the adjustment state, the locking mechanism or the latch mechanism is unlocked and the corresponding stator assembly 10 is adapted to move in the connection direction.

The above-mentioned locking mechanism should be detachable, so as to ensure that the locking mechanism can be unlocked or locked as required, wherein the simplest manner is screwing (for example, screws or jackscrews, etc.), specifically, in the present embodiment, the locking mechanism is a screwing member, which is specifically a screw, the connecting assembly 2 and the stator assembly 10 adapted to move relative to the connecting assembly 2 are provided with corresponding screwing holes therebetween, and it should be understood that, in order to achieve the position adjusting function, the screwing hole on the stator assembly 10 adapted to move relative to the connecting assembly 2 should be a long strip-shaped hole extending along the connecting direction or a screwing hole group consisting of a plurality of screwing holes arranged along the connecting direction.

The above-mentioned clamping mechanism, the purpose that its setting lies in carrying out along the spacing on the direction of connection to stator module 10 and coupling assembling 2 during sliding fit, and it specifically can adopt different joint forms such as telescopic elasticity dop and draw-in groove cooperation, the protruding and draw-in groove cooperation of card that soft materials made or elastic arm 222 and draw-in groove cooperation to realize.

In this embodiment, the stator assembly 10 and the connecting assembly 2 in the locked state are fixed by a clamping mechanism, and the clamping mechanism adopts a manner that the elastic arm 222 is matched with the groove 110, wherein the deformation direction of the elastic arm 222 is perpendicular to the connecting direction.

In order to clearly show the above and other objects and advantages of the present invention, the following description of the preferred embodiments of the present invention will be made in conjunction with the accompanying drawings.

The connecting component 2 is provided with an elastic clamping part; at least one of the two stator assemblies 10 is provided with at least two clamping positions along a connecting direction, and it should be understood that the connecting direction is the direction in which the stator assembly 10 is connected with the connecting assembly 2, and the direction is in the extending direction of the linear motor; the two stator assemblies 10, in connection with the connection assembly 2, have a locked state and an adjusted state; in a locking state, the two stator assemblies 10 are fixedly connected with the connecting assembly 2, wherein the stator assembly 10 provided with the clamping position is clamped and connected with any clamping position through the clamping part to realize fixation; in the adjusting state, the clamping part exits the clamping position, and the stator assembly 10 provided with the clamping position is suitable for sliding relative to the connecting assembly 2 along the connecting direction. Specifically, the connection structure provided in this embodiment realizes the adjustment of the distance between the two stator assemblies 10 in the following manner: in the adjusting state, the stator assembly 10 provided with the clamping position is adjusted to a proper position relative to the connecting assembly 2 until the clamping position and the clamping part set between the stator assembly and the connecting assembly 2 are aligned and clamped again, the stator assembly 10 is clamped, limited and fixed with the connecting assembly 2 again, and the two stator assemblies 10 enter the locking state again; the above mode can realize the functions of connecting and adjusting the stator assembly 10 by using one connecting assembly 2, and the structure is simple and the adjustment is very convenient.

It should be understood that the two stator assemblies 10 of the above embodiment are connected to the connecting assembly 2 and the adjustment is achieved by the following methods:

firstly, one of the two stator assemblies 10 is provided with at least two clamping positions arranged along the connecting direction and has a relatively sliding fit relation with the connecting assembly 2, and the other stator assembly is fixedly connected with the connecting assembly 2 in a fixedly connecting mode such as screw connection or adhesion; in the adjusting state, the clamping part is separated from the clamping position, the stator assembly 10 provided with the clamping position slides relative to the connecting assembly 2, the relative position of the stator assembly 10 provided with the clamping position and the connecting assembly 2 is adjusted until the distance between the two stator assemblies 10 is determined again, and the other stator assembly 10 is fixedly connected with the connecting assembly 2; in a locked state, the stator assembly 10 provided with the clamping position is clamped and fixed with the connecting assembly 2, and the other stator assembly 10 is fixedly connected with the connecting assembly 2.

Secondly, the two stator assemblies 10 are respectively provided with at least two clamping positions arranged along the connecting direction, and are respectively matched with the connecting assembly 2 in a relatively sliding manner; in an adjusting state, a clamping position on one of the stator assemblies 10 is separated from a corresponding clamping part, the stator assembly 10 with the clamping position slides relative to the connecting assembly 2, the relative position of the stator assembly 10 with the clamping position and the connecting assembly 2 is adjusted until the distance between the two stator assemblies 10 is determined again, and the other stator assembly 10 is clamped with the connecting assembly 2; in the locked state, the stator assembly 10, in which the clamping position is separated from the clamping part, is clamped and fixed with the connecting assembly 2 again, and the other stator assembly 10 is kept clamped and connected with the connecting assembly 2.

Thirdly, the two stator assemblies 10 are respectively provided with at least two clamping positions arranged along the connecting direction and are respectively matched with the connecting assembly 2 in a relatively sliding manner; in the adjusting state, the clamping positions on the two stator assemblies 10 are separated from the corresponding clamping parts, the two stator assemblies 10 slide relative to the connecting assembly 2, and the relative positions of the two stator assemblies 10 and the connecting assembly 2 are adjusted until the distance between the two stator assemblies 10 is determined again; in the locked state, both stator assemblies 10 are clamped and fixed with the connecting assembly 2 again.

The adjustment of the distance between the two stator assemblies 10 can be realized under the three conditions, wherein the first condition is unilateral adjustment, and the applied linear motor is suitable for products with smaller size range difference; the second and third types can realize double-side adjustment, and the adjustable distance range is larger, so that the linear motor applied by the motor is more suitable for products with abundant size change types.

In a preferred embodiment, the connecting assembly 2 is limited along the deformation direction of the locking part relative to the stator assembly 10 provided with the locking position, and the limitation can be realized by the following specific means: the connection assembly 2 is configured to be adapted to be plugged into the stator assembly 10 in a connection direction; one of the stator assembly 10 and the connecting assembly 2 is provided with a sliding groove 210 extending along the connecting direction, and the other is provided with a pin shaft or a bolt 114 adapted to slide relative to the sliding groove 210, wherein the matching between the detent portion and the detent position at least can prevent the stator assembly 10 from moving along the connecting direction relative to the connecting assembly 2, and therefore, it can be known that the deformation direction of the detent portion is perpendicular to or inclined from the connecting direction, in this embodiment, the sliding groove 210 and the pin shaft or the bolt 114 form a sliding fit to effectively prevent the connecting assembly 2 from moving along the deformation direction of the detent portion relative to the stator assembly 10 provided with the detent position, and further to prevent the detent portion from being separated from the detent position in the locking state.

In this embodiment, the stator assembly 10 includes a base 11 and a stator module 12, the base 11 is a long bar structure for fixedly connecting the stator module 12, and the stator module 12 includes a stator winding and an iron core. Specifically, the two stator assemblies 10 are arranged symmetrically and at intervals along the extending direction of the linear motor, wherein the opposite parts of the two bases 11 are used for being connected with the connecting assembly 2, the cross sections of the opposite parts are in a shape of "u", and specifically include a first side wall 111, a second side wall 112 and a first bottom wall 113 vertically connected between the first side wall 111 and the second side wall 112, corresponding through holes are respectively formed in the first side wall 111 and the second side wall 112, the two through holes are used for the bolt 114 to pass through, and two ends of the bolt 114 are respectively limited on the outer surfaces of the first side wall 111 and the second side wall 112 by a bolt head and a nut; the inner surface of the first bottom wall 113 is provided with at least two grooves 110 along the connecting direction; the recess 110 forms a detent adapted to engage with the detent.

The connecting assembly 2 is provided with a resilient arm 222 extending in the connecting direction; the elastic arm 222 forms a latch portion, and a protrusion 2220 is formed thereon, and the protrusion 2220 is adapted to be engaged with the groove 110.

In this embodiment, the both ends of coupling assembling 2 are pegged graft with the base 11 cooperation of two stator module 10 respectively, and under the regulation state, the equal relatively coupling assembling 2 adjusting position of two stator module 10.

Specifically, the connecting assembly 2 includes a connecting member 21 and an elastic sheet 22; the connecting member 21 is a rod-shaped member with a cross section in a shape of "" and is formed by a section bar, and the width of the connecting member is matched with the width of the first side wall 111 and the second side wall 112 on the base 11, so that the connecting member 21 can form a stable inserting fit relation with the base 11, and the connecting member 21 and the base 11 can form a rotation stop to prevent the protrusion 2220 from being separated from the groove 110 in a locking state.

In this embodiment, the connecting member 21 includes a third sidewall 211, a fourth sidewall 212 and a second bottom wall 213 vertically connected between the third sidewall 211 and the fourth sidewall 212, the third sidewall 211 and the fourth sidewall 212 are opposite to each other and are penetrated by a pin or a bolt 114, which is respectively provided with a sliding slot 210. Specifically, both end portions of the third and

fourth sidewalls

211 and 212 are provided with kidney-shaped holes extending in the length direction of the connection member 21; the waist-shaped hole is used for the bolt 114 provided on the stator assembly 10 in the embodiment to vertically insert, and forms the sliding slot 210.

The elastic sheet 22 comprises a base plate 221 and the elastic arm 222 which are integrally formed; the substrate 221 is fixedly connected to the inner bottom surface of the connecting piece 21; specifically, the elastic sheet 22 is an integrally formed strip structure, and elastic arms 222 are symmetrically formed at two ends of the substrate 221; the base plate 221 is parallelly attached to the inner surface of the second bottom wall 213 of the connecting member 21 and is riveted and fixed by a rivet; the elastic arm 222 includes a bent portion 2221 and an abutting portion 2222 extending in the connecting direction; the abutting portion 2222 is parallel to the substrate 221, and the bending portion 2221 is obliquely connected between the substrate 221 and the abutting portion 2222, so that in practical application, an operator can deform the entire elastic arm 222 along the deformation direction by abutting against the bending portion 2221 and drive the abutting portion 2222 to disengage from the mover assembly, and the operation difficulty is low; the abutting portion 2222 is used for abutting against the inner wall of the stator assembly 10, and is provided with a protrusion 2220, it should be understood that when the connecting member 21 is inserted into the base 11, the opening side of the connecting member 21 faces the inner surface of the first bottom wall 113, and when the connecting member 21 is inserted into the base 11, the protrusion 2220 on the abutting portion 2222 extends towards the opening side of the connecting member 21 and can abut against the inner surface of the first bottom wall 113 in parallel, so that the protrusion 2220 can be in clamping fit with the groove 110 on the first bottom wall 113.

When the connection structure provided by the embodiment is actually applied, the assembling method is as follows: the base plate 221 on the elastic sheet 22 is attached to the inner surface of the second bottom wall 213, the base plate 221 and the second bottom wall 213 are riveted and fixed by rivets, the two ends of the connecting piece 21 are respectively inserted into the bases 11 of the two stator assemblies 10 in a state that the opening side of the connecting piece 21 can face the inner surface of the first bottom wall 113, the bolt 114 penetrates through the through hole in the base 11 and the kidney-shaped hole in the connecting piece 21, and the end, extending out of the outer wall of the base 11, of the bolt is limited by the nut, so that the installation is completed.

During the interval adjustment, a tool is used to abut against the bending portion 2221 and/or the abutting portion 2222 on the two sides of the substrate 221, so that the abutting portion 2222 is deformed and the protrusion 2220 is disengaged from the groove 110, at this time, the position of the base 11 relative to the connection assembly 2 is adjusted, until the interval between the two stator assemblies 10 meets the installation or product requirements, the abutting action on the bending portion 2221 and/or the abutting portion 2222 is released, and the position of the stator assembly 10 is adjusted to ensure that the protrusion 2220 is clamped into the corresponding groove 110 again, that is, the adjustment is completed.

In order to enhance the spacing strength between the stator assembly 10 and the connecting assembly 2 in the locking state in the connecting direction, it is also possible to lock the stator assembly 10 and the connecting assembly 2 by adding fasteners (such as screws or jackscrews).

In the connection structure provided by this embodiment, the connection assembly 2 is connected between the two stator assemblies 10, so that the stroke of the mover assembly in the linear motor is larger, wherein the two stator assemblies 10 have two states after being connected by the connection assembly 2, in the adjustment state, the detent position in the connection assembly 2 is elastically deformed to be disengaged from the detent position, at this time, the stator assembly 10 provided with the detent position can slide relative to the connection assembly 2, in practical application, the position of the stator assembly 10 relative to the connection assembly 2 can be adjusted according to the range of movement required by the mover assembly, when the stator assembly 10 is adjusted in place, the detent part on the connection assembly 2 is matched with other detent positions, and the distance between the two stator assemblies 10 is re-determined; in the locking state, the clamping part is aligned with the clamping position, so that the deformation of the clamping part is recovered, the clamping relation between the clamping part and the clamping position is reestablished, the distance between the two stator assemblies 10 in the connecting direction is locked again, and the movable range of the rotor assembly is correspondingly determined again; this technical scheme can realize the regulation of many gear intervals through a coupling assembling 2, has promoted linear electric motor's adaptability, and its structure is comparatively simple, and does not have the problem that the cost increases progressively step by step, in addition, owing to need not to carry out the dismouting to coupling assembling 2 during the regulation, therefore the operation degree of difficulty is less.

Stator Assembly 100 embodiment

The utility model discloses disclose simultaneously a stator assembly 100, including two at least stator module 10, main part 20 and two fixed plugs 30.

Each stator assembly 10 is arranged at intervals along the extending direction of the linear motor, each stator assembly 10 adopts the stator assembly 10 mentioned in the connection structure embodiment, and at least two adjacent stator assemblies 10 in the two stator assemblies 10 are connected by the connection structure as described above, and the specific connection form is not described again here.

Specifically, as shown in fig. 3 to 6, the present embodiment will be described with reference to a specific structure of the stator assembly 100 by taking two stator assemblies 10 as an example.

The main body 20 is hollow inside and is used for accommodating the two stator assemblies 10 in the locked state, specifically, in the present embodiment, the main body 20 is a square tube structure matched with the outer shape of the base 11, so that the two stator assemblies 10 can also form a rotation stop with the main body 20 when being assembled in place in the main body 20, thereby improving the stability of the two stator assemblies 10 in the main body 20, and also improving the stability of the two stator assemblies 10 in the locked state.

The two fixing plugs 30 are respectively fixed and covered at two ports of the main body 20, and can be fixed with the main body 20 in an interference fit or screw fixation manner, in this embodiment, the fixing plugs 30 are provided with threaded holes 32, and are specifically fixedly connected with the main body 20 through screws.

Preferably, in the present embodiment, the fixing plug 30 is provided with a wedge-shaped tightening portion 31 extending toward the inside of the main body 20; when the fixing plug 30 is fixed in place at the port of the main body 20, the tightening part 31 is tightened between the inner wall of the main body 20 and the outer wall of the base 11 on the stator assembly 10 close to the port of the main body 20, so that the fixing of the position of the stator assembly 10 in the main body 20 is realized, the stator assembly 10 and the connecting assembly 2 in the main body 20 are ensured not to shake relative to the main body 20, and the locking state of each stator assembly 10 is prevented from being damaged.

In the stator assembly 100 provided in this embodiment, because the two adjacent stator assemblies 10 in the stator assembly are connected by using the above connection structure, the stator assembly 100 inherits all advantages of the connection structure embodiment, that is, it is ensured that a linear motor using the stator assembly 100 has strong product adaptability, the structure is simple, the cost is low, the structure does not need to be disassembled and assembled during adjustment, and the operation difficulty is small; the main part 20 and the setting of fixed stopper 30 are favorable to guaranteeing on the one hand that the stability between each stator module 10 and the coupling assembling 2 is difficult for being destroyed, and on the other hand makes the wholeness of product better, and the structure is comparatively succinct, be convenient for transportation and assembly.

Linear motor embodiment for sliding door

The utility model discloses a linear electric motor (not shown in the figure) for sliding door simultaneously, which comprises a control component, a rotor component and the stator assembly 100 as described above; the control assembly is disposed outside the stator assembly 100 and electrically connected to each stator assembly 10, and in order to ensure that wires for electrical connection can pass through the inside and outside of the main body 20, a through hole is defined between the fixing plug 30 and the inner wall of the main body 20 in this embodiment. Of course, it should be understood that the through-hole could also open directly into the sidewall of the body 20 or the stationary plug 30.

The mover assembly is fixedly connected with the moving door and forms magnetic field coupling with each stator assembly 10. The stator assembly 100 is secured to a door lintel or wall.

In actual use, the control component controls each stator component 10 to supply power, that is, the mover component and the sliding door can be driven to slide along the guide rail where the mover component and the sliding door are located.

The description of the above specification and examples is intended to illustrate the scope of the invention, but should not be construed as limiting the scope of the invention. Modifications, equivalents and other improvements which may be made to the embodiments of the invention or to some of the technical features thereof by a person of ordinary skill in the art through logical analysis, reasoning or limited experimentation in light of the above teachings of the invention or the above embodiments are intended to be included within the scope of the invention.

Claims

1. A connecting structure is used for connecting two stator assemblies in a linear motor and is characterized by comprising a connecting assembly; the connecting assembly is configured to be fixedly connected with any stator assembly; a clamping mechanism or a locking mechanism is arranged between at least one of the two stator assemblies and the connecting assembly and is suitable for moving relative to the connecting assembly along the connecting direction;

2. A coupling structure as claimed in claim 1, wherein said locking means is a screw member; the connecting assembly and the stator assembly which is suitable for moving relative to the connecting assembly are provided with corresponding screw holes.

3. A coupling structure according to claim 1, wherein at least one of said stator members is provided with at least two catching positions in a coupling direction; the connecting component is provided with an elastic clamping part; the clamping part and the clamping position are matched to form the clamping mechanism;

4. A coupling structure according to claim 3, wherein the coupling member is restrained with respect to the stator assembly provided with the catching portions in a deformation direction of the catching portions.

5. A coupling arrangement according to claim 4, wherein the coupling assembly is configured to be adapted to be inserted into the stator assembly in a coupling direction; one of the stator assembly and the connecting assembly is provided with a sliding groove extending along the connecting direction, and the other one of the stator assembly and the connecting assembly is provided with a pin shaft or a bolt suitable for sliding relative to the sliding groove.

6. A coupling arrangement according to claim 5, wherein the coupling member is provided with resilient arms extending in the coupling direction; the elastic arm forms the clamping part and is provided with a bulge; the clamping position is a groove suitable for being clamped with the protrusion.

7. A coupling structure as claimed in claim 6, wherein said coupling member comprises a coupling member and a resilient piece; the connecting piece is in a rod shape with a cross section in a shape of 'V', two opposite side walls of the connecting piece are penetrated by a pin shaft or a bolt and are respectively provided with the corresponding sliding grooves; the elastic sheet comprises a base plate and the elastic arm which are integrally formed; the base plate is fixedly connected to the inner bottom surface of the connecting piece.

8. The connecting structure as claimed in claim 7, wherein said elastic arm includes a bent portion and an abutting portion extending in the connecting direction; the bending part is connected with the substrate and the abutting part; the abutting part is used for abutting against the inner wall of the stator assembly and is provided with the bulge.

9. A coupling structure as claimed in claim 7, wherein both of said stator assemblies include a base; the base is connected with the connecting piece, the cross section of the part of the base connected with the connecting piece is in a shape of 'T', the groove is arranged on the inner bottom surface of the part, and the pin shaft or the bolt is arranged between the two opposite side walls of the part in a spanning mode.

10. A stator assembly is characterized by comprising at least two stator assemblies, a main body and two fixing plugs; the adjacent two stator assemblies are connected through the connecting structure according to any one of claims 1 to 9; the main body is hollow and is used for accommodating each stator assembly in a locking state; two fixed stopper is fixed respectively and is covered two ports departments of locating the main part.

11. The stator assembly of claim 10 wherein said anchor plugs are provided with wedge-shaped tightening portions; when the fixed stopper in the port department of main part is fixed in place, compel tight portion compel tightly in main part inner wall with be close to the main part port between stator module's the outer wall.

12. A linear motor for a sliding door, comprising a control assembly, a mover assembly and a stator assembly as claimed in claim 10 or 11; the control assembly is electrically connected with each stator assembly; the rotor assembly is fixedly connected with the sliding door and forms magnetic field coupling with each stator assembly; the stator assembly is fixed with a door lintel or a wall body.