TWI723907B - Linear brushless motor electric door device - Google Patents

Abstract

A linear brushless motor electric door device includes a rail unit, a sliding unit, a linear brushless motor unit and a door panel. The track unit includes a main body and a side frame plate. The main body has a top plate, a rear wall plate, a partition and a support plate. The side frame plate is detachably installed on the top plate and is arranged opposite to the rear wall plate. , The sliding unit includes a sliding member, a pair of side pulley sets and a supporting wheel set, the supporting wheel set slidably abuts against a bottom surface of the partition, the linear brushless motor unit includes a stator mounted on the top plate , And a mover installed on the sliding member, the supporting wheel set can maintain a predetermined gap between the mover and the stator, the door panel is connected to the sliding unit, and the integral combination can achieve the purpose of easy maintenance and installation .

Description

Linear brushless motor electric door device

The invention relates to an electric door device, in particular to a linear brushless motor electric door device.

There is an electric door (TW Certificate No. I629404 Patent Case), which includes a track, a driving unit installed on the track, a sliding member driven by the driving unit, and a door body connected to the sliding member. Through the circuit board of the drive unit, the magnetic poles of an electromagnet group are controlled to change, so that the magnetic attraction parts of the sliding parts are subject to the magnetic poles of the electromagnet group and the same repulsive float, and the magnetic poles are different to pull displacement, thereby achieving the purpose of sliding the door to open and close .

Although this kind of electric door can produce the intended purpose of use, the driving unit and the sliding part are installed inside the rail from the side end of the rail. In order to facilitate the disassembly, assembly and maintenance of the driving unit and the sliding part, A space must be reserved on the side of the track to allow the driving unit and the sliding member to move, which will be more restrictive for the space configuration.

In addition, the electromagnet group of the drive unit will produce The magnetic attraction effect causes the middle section of the magnetic attraction member of the sliding member to be easily bent upward due to the magnetic attraction effect, which may lead to unsmooth operation.

Therefore, the object of the present invention is to provide a linear brushless motor electric door device that can solve the existing problems.

Therefore, the linear brushless motor electric door device of the present invention includes a rail unit, a sliding unit, a linear brushless motor unit and a door panel. The track unit extends along a horizontal axis and includes a main body and a side frame plate. The main body has a top plate, a rear wall plate connected to the top plate, and a partition plate positioned relative to the rear wall plate. And a support plate intersectingly connected to the rear wall plate and spaced apart from the partition plate, the partition plate is interposed between the top plate and the support plate, the partition plate has a bottom surface facing the support plate, and the side frame plate Removably installed on the top plate and arranged opposite to the rear wall plate, the sliding unit can slide on the rail unit along the transverse axis, the sliding unit includes a sliding piece, a pair of sliding pieces mounted on the sliding piece and straddling The side pulley set placed on the support plate, and a support wheel set installed on the sliding member and arranged between the side pulley sets, the support wheel set slidably abuts against the bottom surface of the partition, the straight line brushless The motor unit includes a stator installed on the top plate of the rail unit and arranged along the transverse axis, and a mover installed on the sliding member and arranged along the transverse axis. When the stator is energized, the magnetic field generated by the stator Generates a magnetic field with the mover, so that the sliding unit can generate linear kinetic energy relative to the track unit, the support wheel set can keep the mover and the stator at a predetermined gap, and the door panel is connected In the sliding unit.

The effect of the present invention is that the side pulley sets are used to slidably straddle the support plate, and the support wheel sets are arranged between the side pulley sets and slidably support the bottom surface of the partition, the mover A predetermined gap can be maintained with the stator to ensure that the linear brushless motor unit can operate normally, and the side frame plate can be detachably installed on the top plate to achieve the purpose of easy maintenance and no need to reserve operating space.

10: Track unit

11: body

111: top plate

112: rear wall panel

113: Partition

114: support plate

115: slot

116: card slot

117: Bottom

118: Rail

12: Side frame board

121: Moulding

13: stop

131: Card board

132: Stop

20: Sliding unit

21: Slider

211: side end

212: middle part

22: Side pulley group

221: side wheel seat

222: Side pulley

223: Bolt

23: Support wheel

231: Support wheel seat

232: Support wheel

30: Linear brushless motor unit

31: positioning seat

32: circuit board

33: stator

34: mover

331: Electromagnetic coil

341: Magnetic Parts

40: door panels

X: horizontal axis

Other features and effects of the present invention will be clearly presented in the embodiments with reference to the drawings, in which: Figure 1 is a three-dimensional assembly view of an embodiment of the linear brushless motor electric door device of the present invention; Figure 2 is the A perspective exploded view of the embodiment; FIG. 3 is a front view of the embodiment; FIG. 4 is a partial enlarged schematic view of FIG. 3; FIG. 5 is a cross-sectional view along the line VV in FIG. 4; and FIG. 6 It is a cross-sectional view along the line VI-VI in Figure 4.

Referring to FIGS. 1 to 3, an embodiment of the linear brushless motor electric door device of the present invention includes a rail unit 10, a sliding unit 20, a linear brushless motor unit 30 and a door panel 40.

The rail unit 10 extends along a horizontal axis X and includes a main body 11, a side frame 12, and two stoppers 13 fixed to the main body 11. The main body 11 can be integrally formed by aluminum extrusion, and has a top plate 111, a rear wall plate 112 vertically connected to the top plate 111, a partition plate 113 intersectingly connected to the rear wall plate 112, and an intersectingly connected to the rear wall plate 113 The wall plate 112 and the support plate 114 arranged spaced apart from the partition plate 113. The top plate 111 and the rear wall plate 112 intersect in an inverted L shape, the top plate 111 has a slot 115 provided at the front edge, the partition plate 113 is interposed between the top plate 111 and the support plate 114, and the partition plate 113 A slot 116 is defined together with the support plate 114 and the rear wall plate 112. The partition plate 113 has a bottom surface 117 facing the support plate 114, and the support plate 114 has a bottom surface 117 opposite to the partition plate 113. The rail 118 has a semicircular cross section perpendicular to the transverse axis X. The side frame board 12 is detachably installed on the top board 111 and is disposed opposite to the rear wall board 112. The side frame board 12 has a molding 121 inserted into the slot 115. The stoppers 13 can be screwed to the main body 11 respectively, and each has a card board 131 inserted in the card slot 116 and a stopper 132 installed on the card board 131.

With reference to Figures 5 and 6, the sliding unit 20 can slide on the rail unit 10 along the transverse axis X. The sliding unit 20 includes a sliding member 21, a pair of sliding members 21 mounted on the sliding member 21 and straddling The side pulley set 22 of the support plate 14 and a support wheel set 23 installed on the sliding member 21 and arranged between the side pulley sets 22. The sliding member 21 has two side end portions 211 arranged opposite to each other along the transverse axis X, and an intermediate portion 212 between the side end portions 211. The pulley block 22 on each side has an installation pair The side wheel seat 221 of the corresponding side end 211, and the side pulley 222 of the side wheel seat 221 with two axles. Each side wheel seat 221 is equipped with a bolt 223, and the side pulleys 222 are slidably straddled The rail 118 is on. The supporting wheel set 23 has a supporting wheel base 231 fixed to the middle portion 212 of the sliding member 21, and a supporting wheel 232 arranged on the supporting wheel base 231 with two axes, and the supporting wheels 232 slidably support the The bottom surface 117 of the partition 113.

The linear brushless motor unit 30 includes a positioning base 31 mounted on the top plate 111 of the rail unit 10, a circuit board 32 mounted on the positioning base 31, and a circuit board 32 mounted on the positioning base 31 and electrically connected to the circuit board 32 And a stator 33 arranged along the transverse axis X, and a mover 34 installed on the slider 21 and arranged along the transverse axis X. The stator 33 of this embodiment has a plurality of electromagnetic coils 331, and the mover 34 has Most of them are magnetic attractors 341 of permanent magnets.

The door panel 40 is connected to the bolts 223 at the bottom of the side wheel seats 221 of the sliding unit 20.

In order to further understand the effects of the cooperation of the various elements of the present invention, the technical means used, and the expected effects, the following will be explained again, and it is believed that a deeper and specific understanding of the present invention can be obtained from this.

As shown in Figures 3 to 6, when the overall assembly is completed and the linear brushless motor unit 30 is started, the stator 33 is energized, and the magnetic field generated by the stator 33 interacts with the mover 34 to make the sliding The unit 20 generates linear kinetic energy relative to the track unit 10, that is, the circuit board 32 controls the electromagnetic coils 331 of the stator 33 When the magnetic poles change, when the magnetic poles of the electromagnetic coils 331 are the same as the magnetic attraction member 341 of the mover 34, a repulsive effect will be produced, and then the magnetic poles of the electromagnetic coil 331 in the sliding direction are aligned with the magnetic attraction member 341 of the mover 34. The different setting generates an attractive force. When the sliding unit 20 is repelled and floated by the electromagnetic coil 331 of the same magnetic pole, that is, it is attracted by the electromagnetic coil 341 of different magnetic pole to slide and move, so that the sliding unit 20 can be moved relative to the The track unit 10 generates linear kinetic energy.

Just when the sliding unit 20 generates linear kinetic energy relative to the rail unit 10, the self-weight of the sliding unit 20 can be used to stably and slidably straddle the side pulleys 222 on the rail 118, and then use the support The supporting wheels 232 of the wheel set 23 slidably bear against the bottom surface 117 of the partition 113, so that the mover 34 and the stator 33 can maintain a predetermined gap, which can ensure that the sliding unit 20 is generated relative to the rail unit 10. Smooth linear kinetic energy.

Furthermore, by using the side frame plate 12 to be detachably installed on the front edge of the top plate 111, assembly and maintenance can be carried out from the front side of the main body 11, achieving easy maintenance and no need to pre-install on the side of the rail unit 10. Leave space, it will not limit the space configuration.

It is worth mentioning that the use of the linear brushless motor unit 30 can reduce operating noise.

In summary, the linear brushless motor electric door device of the present invention is simple in overall structure, easy to manufacture and assemble, and can indeed achieve the purpose of the invention.

However, the above are only examples of the present invention. When the scope of implementation of the present invention cannot be limited by this, all simple equivalent changes and modifications made in accordance with the scope of the patent application of the present invention and the content of the patent specification still belong to Within the scope covered by the patent of the present invention.

10: Track unit

11: body

111: top plate

112: rear wall panel

113: Partition

114: support plate

12: Side frame board

13: stop

20: Sliding unit

21: Slider

22: Side pulley group

221: side wheel seat

223: Bolt

23: Support wheel

231: Support wheel seat

30: Linear brushless motor unit

31: positioning seat

X: horizontal axis

Claims (4)

A linear brushless motor electric door device, including: A rail unit extending along a horizontal axis and including a body and a side frame plate. The body has a top plate, a rear wall plate connected to the top plate, and a partition plate positioned relative to the rear wall plate , And a support plate intersectingly connected to the rear wall plate and spaced apart from the partition plate, the partition plate is interposed between the top plate and the support plate, the partition plate has a bottom surface facing the support plate, and the side frame The board is detachably installed on the top board and arranged opposite to the rear wall board; A sliding unit capable of sliding on the rail unit along the horizontal axis. The sliding unit includes a sliding member, a pair of side pulley sets mounted on the sliding member and straddling the support plate, and a sliding unit mounted on the sliding member. The supporting wheel set is arranged between the side pulley sets, and the supporting wheel set can slidably bear against the bottom surface of the partition; The linear brushless motor unit includes a stator installed on the top plate of the rail unit and arranged along the transverse axis, and a mover installed on the sliding member and arranged along the transverse axis. When the stator is energized, the stator The magnetic field generated by the stator interacts with the magnetic field generated by the mover, which can cause the sliding unit to generate linear kinetic energy relative to the track unit, and the supporting wheel set can maintain a predetermined gap between the mover and the stator; and A door panel is connected to the sliding unit. The linear brushless motor electric door device according to claim 1, wherein the supporting plate of the rail unit has a rail opposite to the bottom surface of the partition, and the sliding member of the sliding unit has two parts extending along the horizontal axis. The opposite side ends, and an intermediate part between the side ends, each side pulley block has a side wheel seat mounted on the corresponding side end, and two shafts are arranged on the side of the side wheel seat Pulleys, the side pulleys are slidably straddled on the rail. The linear brushless motor electric door device according to claim 2, wherein the supporting wheel set of the sliding unit has a supporting wheel seat fixed to the middle portion of the sliding member, and two shafts are arranged on the The supporting wheels of the supporting wheel seat are slidably supported on the bottom surface of the partition. The linear brushless motor electric door device according to claim 1, wherein the track unit further includes two stoppers fixed to the body, each of the stoppers has a card plate installed on the body, and a The stopper installed on the card board.

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