CN2481899Y

CN2481899Y - Electric cylinder linking and shock-absorbing device

Info

Publication number: CN2481899Y
Application number: CN 01203892
Authority: CN
Inventors: 孟春如
Original assignee: Zhuang Mingheng; Zhuang Yaoan
Current assignee: Zhuang Mingheng; Zhuang Yaoan
Priority date: 2001-02-28
Filing date: 2001-02-28
Publication date: 2002-03-13
Anticipated expiration: 2011-02-28

Abstract

The utility model relates to a connection and damping device of an electric cylinder, the connection and damping device is provided with an outer housing pipe. A fixing seat is assembled in the outer housing pipe, a motor is assembled at one end of the fixing seat, the mandril of the motor extending out is threaded and fixed with a coupling, the main body of the coupling is combined with the motor, the center of the auxiliary body of the coupling is used for assembling a guide screw, making the motor drive the guide screw, and the coupling is threaded in the through hole of the fixing seat, a magnetic body is sleeved outside the coupling, a sensor sensing with the magnetic body is embedded on the circumferential wall of the through hole of the fixing seat, and a shock-absorbing cotton body is arranged between the outer housing pipe and the circumferential wall of the motor , thereby achieving the shock-absorbing and noise lowering goal.

Description

The connection of electronic cylinder and damping device

The utility model is about a kind of connection of electronic cylinder and damping device.

The design of existing electronic cylinder, be outside one, to be assembled with a motor 60 as illustrated in fig. 4 in the vestlet 50, a wherein end of motor 60 is fixed with a coupling 61, coupling 61 differs from motor 60 these ends and assembles a driving screw 62, driving screw 62 is outer and with the screw thread flexible rod 63 that is spirally connected, motor 60 can drive driving screw 62 rotations when rotating, and then makes flexible rod 63 projections or retraction.

The detailed construction of motor 20 and coupling 61 is then please consulted Fig. 4 and shown in Figure 5 simultaneously, axle 600 peripheries of motor 60 are provided with a plane 601, use assembling coupling 61, do not connect the assembling of coupling 61 the other ends in motor 60 and cooperate an encoder 70, encoder 70 is to have the sensitive axis 71 that stretches in the motor 60, and encoder 70 differs from motor 60 these ends and is provided with a plug 72, signal is transferred out to power supply control (not shown), controls the angle and the number of turns of these motor 70 rotations.

In addition, described coupling 61 comprises a main body 610 and an accessory body 611, this main body 610 is provided with an axis hole 612 corresponding to motor 60 axles 600, axis hole 612 1 ends are formed with a confined planes 613, use correspondence and be inserted in the axle 600 of motor 60, this main body 610 can be positioned on this axle 600, be provided with a plurality of screws 614 in these main body 610 all side rings in addition, and accessory body 611 is concaved with a plurality of trepannings 615 corresponding to each screw 614, can place sleeve pipe 616 respectively in each trepanning 615 with perforation, other establishes with a plurality of bolts 617, bolt 617 is screws 614 that correspondence is passed main body 610, bolt 617 is piercing in main body 610, and this is held in the threading 616 again, can make the master, accessory body 610,611 integrally combine, and are provided with an inner bolt hole 618 in these accessory body 611 central authorities again, wherein end for a driving screw 80 is screwed into combination relatively with outside thread 81, so that driving screw 80 can be fixed on the accessory body 611, and reach, drive the function of driving screw 80 again with motor 60 transmission couplings 61.

Above-mentioned is the introduction of motor, encoder and the coupling of existing electronic cylinder interior, yet it but exists many disappearances:

1. because the encoder commonly used is two different devices with coupling, and existing encoder is for being installed in the motor end, and has bigger volume, therefore after encoder and coupling are assembled, take up space bigger.

2. because this encoder need separate with coupling and make, formed cost of material and manufacture cost are also higher relatively, and do not meet economic benefit.

3. because motor does not have any shock-absorbing measure, when it rotates, very easily produce and shake altogether and make a noise with outer vestlet.

In order to improve the bad disappearance that causes of above-mentioned existing electronic cylinder design, main purpose of the present utility model is to provide a kind of connection and damping device of electronic cylinder, to reach the effect that reduces volume, reduces cost and reduce noise.

Based on above-mentioned purpose, connection and the damping device of the utility model major technique means for a kind of electronic cylinder is provided, it is provided with an outer vestlet, the inside of outer vestlet is assembled with a fixed base, wherein end in fixed base is assembled with a motor, axle outside motor is stretched on places and is fixed in one group of coupling of being made up of main body and accessory body, the main body of coupling combines with motor, the accessory body center is then for driving screw assembling, on this fixed base and be provided with the perforation that runs through both ends of the surface, coupling promptly is located in this perforation, it is characterized in that:

Described coupling is arranged with magnetic outward, and the perforation perisporium of fixed base then is embedded with the sensor with the magnetic induction,

The motor outer periphery are arranged with shock absorbing cotton, and this shock absorbing cotton and filling are between outer vestlet and motor.

The connection of described electronic cylinder and damping device is characterized in that: described motor both ends of the surface can be provided with the cotton plate of shock-absorbing.

The connection of described electronic cylinder and damping device, it is characterized in that: described motor can be equipped with several fixing rods towards this end of fixed base, fixed base then is provided with several trepannings relatively, in each trepanning and be equipped with the shock-absorbing sleeve pipe that the fixing rod of Gong the motor of hollow places.

The connection of described electronic cylinder and damping device, it is characterized in that: the main body of coupling is provided with several screws that runs through both ends of the surface, in each screw and placed bolt, and accessory body is provided with trepanning with respect to each screwhole position of main body, in each trepanning and place the shock-absorbing sleeve pipe of hollow, the bolt that is piercing in main body then is placed through in the shock-absorbing sleeve pipe.

The connection of described electronic cylinder and damping device is characterized in that: can the drive fit mode assemble a bearing between described accessory body and the fixed base.

By above-mentioned technological means, the utility model can reach following effect:

1. because coupling is directly established with computable magnetic, and it can cooperate sensor to use, and reaches the purpose of calculating the revolution number of turns, to replace existing huge encoder, so can reduce volume.

2. be filled with shock absorbing cotton between motor and the outer vestlet, and the vibratory forces that is produced can absorb motor running the time, can prevent that more motor and outer casing from producing shake altogether and make a noise, so have the effect of reduction noise.

Further specify structure characteristic of the present utility model and purpose below in conjunction with accompanying drawing.

Brief Description Of Drawings:

Fig. 1 is a part three-dimensional exploded view of the present utility model.

Fig. 2 is the decomposing schematic representation of coupling of the present utility model and motor, fixed base.

Fig. 3 is a combination generalized section in plane of the present utility model.

Fig. 4 is the combination generalized section of existing electronic cylinder.

Fig. 5 is the motor in the existing electronic cylinder and the outward appearance decomposing schematic representation of coupling.

See also shown in Fig. 1～3, the connection of electronic cylinder provided by the utility model and damping device, its basic kenel and aforesaid existing product are similar, promptly be provided with an outer vestlet 10, the inside of outer vestlet 10 is assembled with a motor 20, motor 20 is stretched on outer axle 21 and is provided with a plane 210, use to be placed through among the coupling 30 heart and to produce and combine with coupling 30, and coupling 30 comprises the main body 31 that is incorporated into motor 20 axles 21, and the accessory body 32 of using assembling driving screw 35, main, accessory body 31, combination between 32 also is the screw 310 that is incorporated into main body 31 by bolt 33 with screw thread, each bolt 33 also is piercing in the trepanning 320 that main body 31 end faces are placed through accessory body 32 again, and? then place the shock-absorbing sleeve pipe 34 that is assembled with hollow in each trepanning 320 of body 32, bolt 33 promptly is placed through shock-absorbing sleeve pipe 34 centers, accessory body 32 is assembled with main body 31, and the setting of shock-absorbing sleeve pipe 34 then has can absorb the vibratory forces of being transmitted by bolt 33.

And in order to make coupling 30 firmly be obtained the location, so assemble a fixed base 36 in outer vestlet 10 internal fixation, coupling 30 then places and is assembled in the fixed base 36, the assembling mode of described fixed base 36 and outer vestlet 10 is that outer vestlet 10 internal layouts in hollow are provided with and are axially extended fin 101, and the outer periphery of fixed base 36 are concaved with groove 360 with respect to fin 101 positions of outer vestlet 10, be placed through the outer vestlet 10 inner location that promptly form later on relatively for fixed base 36, in addition, the eccentric position of fixed base 36 is provided with a perforation 361 that runs through both ends of the surface, be sheathed in the perforation 361 for coupling 30, and bore a hole 361 and the accessory body 32 of coupling 30 between with the sheathed bearing 363 of drive fit mode, make accessory body 32 only can be unlikely axial displacement by main body 31 driven rotary, be provided with two trepannings 362 in fixed base 36 towards motor 20 these end faces in addition, in the trepanning 362 and shock-absorbing sleeve pipe 37 that can a ccontaining hollow, motor 20 end faces then are equipped with relatively and are used the fixing rod 22 that inserts in the shock-absorbing sleeve pipe 37, motor 20 is fixed on the fixed base 36, and described shock-absorbing sleeve pipe 37 also have the vibratory forces that absorption is transmitted via fixing rod 22 by motor 20.

In addition, for improve aforementioned existing product because encoder be provided with the institute cause volume too big, the disappearance that cost is too high, the utility model is especially in the master of coupling 30, accessory body 31,32 outer periphery are established a magnetic 39, perforation 361 inner circle walls of fixed base 36 then are embedded a sensor 390, calculate the number of turns of its rotation and the angle of deflection by sensor 390 and magnetic 39 inductions, that is has a function of aforementioned encoder, and being main bodys 31 with coupling 30, the set-up mode of described magnetic 39 is made as less recessed edge 310 towards accessory body 32 these end external diameters, make main body 31 contiguous motor 20 these ends form the bigger shoulder 311 of external diameter, and magnetic 39 promptly is sheathed on the recessed edge 310 of main body 31, and clipping is between shoulder 311 and accessory body 32.

Again in order to improve the noise that is produced when turning round, so the utility model is coated with shock absorbing cotton 23 especially outside motor 20, the both ends of the surface of motor 20 also are respectively equipped with the cotton plate 230 of shock-absorbing, make between motor 20 and outer vestlet 10, the coupling 30 filling having the shock suction body of vibration-absorbing function, the vibratory forces when preventing motor 20 runnings is transmitted outward and is produced common shake.Add the shock-absorbing sleeve pipe 34 between fixing rod 22 and shock-absorbing sleeve pipe 37 between the fixed base 36 that is placed into motor 20 and the bolt 33 that is piercing in coupling 30 main bodys 31 and accessory body 32 trepannings 320, all can make the utility model reach the effect that reduces noise.

Claims

1. the connection of an electronic cylinder and damping device, it is provided with an outer vestlet, the inside of outer vestlet is assembled with a fixed base, wherein end in fixed base is assembled with a motor, and the axle outside motor is stretched on places and is fixed in one group of coupling of being made up of main body and accessory body, and the main body of coupling combines with motor, the accessory body center is then for driving screw assembling, on this fixed base and be provided with the perforation that runs through both ends of the surface, coupling promptly is located in this perforation, it is characterized in that:

2. the connection of electronic cylinder according to claim 1 and damping device is characterized in that: described motor both ends of the surface are provided with the cotton plate of shock-absorbing.

3. the connection of electronic cylinder according to claim 1 and 2 and damping device, it is characterized in that: described motor is provided with several fixing rods towards this distal process of fixed base, fixed base then is provided with several trepannings relatively, in each trepanning and be equipped with the shock-absorbing sleeve pipe that the fixing rod of Gong the motor of hollow places.

4. the connection of electronic cylinder according to claim 1 and 2 and damping device, it is characterized in that: the main body of coupling is provided with several screws that runs through both ends of the surface, in each screw and placed bolt, and accessory body is provided with trepanning with respect to each screwhole position of main body, in each trepanning and place the shock-absorbing sleeve pipe of hollow, the bolt that is piercing in main body then is placed through in the shock-absorbing sleeve pipe.

5. the connection of electronic cylinder according to claim 1 and damping device is characterized in that: assemble a bearing in the drive fit mode between described accessory body and the fixed base.