The mounting structure of drainage pump of washing machine
Technical field
The present invention relates to a kind of washing machine, especially relate to a kind of mounting structure of draining pump of roller washing machine.
Background technology
Existing washing machine, especially roller washing machine, the fixing general of draining pump adopts a plurality of screws directly to be fixed on the back cover of washing machine, perhaps indirectly fixing by rubber washer fixedly the time, the effectiveness in vibration suppression of this mode is poor, the conduct vibrations that can not prevent well draining pump, to casing, produces vibration and noise when draining pump moves; In the washing machine also had, adopt the pump housing is arranged on steel plate, then steel plate passes through at least 3 group rubber damping pads and the fixing mounting structure of bolt again, this mounting structure good damping result, but cost is high, and complexity is installed, and maintenance is inconvenient.
Summary of the invention
The applicant, for above-mentioned problem, is studied improvement, and a kind of mounting structure of drainage pump of washing machine is provided, simple and compact for structure, can effectively reduce vibration and noise, and production cost is low, quick and easy for installation.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of mounting structure of drainage pump of washing machine, comprise casing of washing machine, the bottom of casing is provided with front lower reinforcement and washing machine back cover, and front lower reinforcement is arranged on the casing of front portion of described washing machine back cover, and described draining pump connects described washing machine back cover by main beam; Described draining pump comprises the pump housing and electric machine assembly, and the both sides of the pump housing bottom of described draining pump are provided with feet, and described feet is provided with the opening towards the pump housing outside; Described washing machine back cover is provided with the irregularly-shaped hole of two Pear-Shapeds, and the aperture of described irregularly-shaped hole is near described front lower reinforcement; Described main beam is " king " shaped rotary body, is provided with upper groove and low groove; The open card of described feet is in the upper groove of described main beam, on described washing machine back cover, the aperture of irregularly-shaped hole is stuck in the low groove of described main beam, and one of the front portion of the described pump housing or rear portion are fixedly connected with described front lower reinforcement or described washing machine back cover.
Further:
The rear portion of the described pump housing is provided with the rear support pin, and described rear support pin is provided with the opening towards pump housing rear side; Fixedly beam is " work " shaped rotary body, and described fixedly beam is provided with centre bore; The open card of described rear support pin is in the draw-in groove of described fixedly beam, and hold-down screw is fixedly connected with described washing machine back cover through the centre bore on described fixedly beam.
Opening on described rear support pin is " Ω " shape.
Described front lower reinforcement is provided with blocked hole, and the front portion of the described draining pump pump housing is provided with screw hole; Fixedly beam is " work " shaped rotary body, and described fixedly beam is provided with centre bore; The draw-in groove of described fixedly beam is installed in the blocked hole on described front lower reinforcement, and hold-down screw is fixedly connected with the described draining pump pump housing through the centre bore on described fixedly beam.
Two madial walls of the draw-in groove of described fixedly beam are provided with several salient points.
Centre bore on described fixedly beam is quincunx, in described centre bore, is provided with copper sheathing.
Opening on described feet is " Ω " shape.
Opening on described feet be positioned at described electric machine assembly axis under.
Described main beam is upper and lower symmetrical structure, and the diameter of the pad at its middle part is greater than the diameter of the clamping dish at upper and lower two ends.
Technique effect of the present invention is:
The mounting structure of a kind of drainage pump of washing machine disclosed by the invention, adopt the main beam of " king " shaped rotary body to be arranged between the pump housing and washing machine back cover, and front portion or rear portion that draining pump is set are fixedly connected with, simple and compact for structure, can effectively reduce vibration and noise, and production cost is low, quick and easy for installation.
The accompanying drawing explanation
Fig. 1 is mounting structure schematic diagram of the present invention (embodiment 1).
Fig. 2 is that draining pump and main beam reach the fixedly three-dimensional explosion figure of beam.
The structural representation that Fig. 3 is washing machine back cover, front lower reinforcement and casing.
The mounting structure schematic diagram that Fig. 4 is embodiment 1.
The three-dimensional structure schematic diagram that Fig. 5 is main beam.
Fig. 6 is the fixing three-dimensional structure schematic diagram of beam.
The mounting structure schematic diagram that Fig. 7 is embodiment 2.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
Embodiment 1,
As shown in Fig. 1 ~ 6, the present invention includes casing of washing machine 12, the bottom of casing 12 is provided with front lower reinforcement 13 and washing machine back cover 16, and front lower reinforcement 13 is arranged on the casing 12 of washing machine back cover 16 front portions, and draining pump 1 connects washing machine back cover 16 by main beam 8.Draining pump 1 comprises the pump housing 4 and electric machine assembly 6, the both sides of the pump housing 4 bottoms of draining pump 1 are provided with feet 9, feet 9 is provided with the opening 901 towards the pump housing outside, opening 901 on feet 9 be positioned at electric machine assembly 6 axis under, opening 901 on feet 9 is " Ω " shape, and the opening 901 of " Ω " shape can guarantee to snap in the rear positioning stablity of main beam 8.Washing machine back cover 16 is provided with the irregularly-shaped hole 18(of two Pear-Shapeds as Fig. 3), the intercommunicating pore that irregularly-shaped hole 18 is 2 unequal holes of diameter, the aperture of irregularly-shaped hole 18 is near front lower reinforcement 13.Main beam 8 is " king " shaped rotary body, by elastic caoutchouc, made, be provided with upper groove 801 and low groove 802(as Fig. 5), main beam 8 is upper and lower symmetrical structure, the diameter of the pad 803 at its middle part is greater than the diameter of the clamping dish 804 at upper and lower two ends, and this laterally zygomorphic structure is convenient to assembling.The opening 901 of feet 9 is stuck in the upper groove 801 of main beam 8, and on washing machine back cover 16, the aperture of irregularly-shaped hole 18 is stuck in the low groove 802 of main beam 8.The rear portion of the pump housing 4 is provided with rear support pin 10, rear support pin 10 is provided with the opening 1001 towards pump housing rear side, fixedly beam 11 is " work " shaped rotary body, by elastic caoutchouc, made, fixedly beam 11 is provided with centre bore 1103, the opening 1001 of rear support pin 10 is stuck in the draw-in groove of fixing beam 11, and hold-down screw 2 is fixedly connected with washing machine back cover 16 through the centre bore 1103 on fixing beam 11.In the present embodiment, the opening 1001 on rear support pin 10 is " Ω " shape, and fixedly two madial walls of the draw-in groove 1102 of beam 11 are provided with a plurality of salient point 1101(Fig. 6), salient point 1101 can, after rear support pin 10 snaps in, strengthen damping effect; Fixedly the centre bore on beam 11 1103 is quincunx, is provided with copper sheathing 3 in centre bore 1103.The opening 1001 of " Ω " shape can guarantee to snap in the positioning stablity after fixing beam 11, simultaneously, quincuncial centre bore 1103 fixedly is set on beam 11 and copper sheathing 3 is set therein, further strengthens damping effect.
Offer 1 macropore 15 on front lower reinforcement 13, the diameter of macropore 15 is greater than the front end maximum gauge of the draining pump pump housing 4; 2 irregularly-shaped holes 18 and 1 screw hole 17 are arranged on back cover 16, irregularly-shaped hole 18 comprises the intercommunicating pore that 2 diameters do not wait, the diameter of macropore is slightly less than the diameter of the pad 803 of main beam 8, be greater than the diameter of clamping dish 804 at the two ends up and down of main beam 8, the hole diameter of irregularly-shaped hole 18 is close to upper groove 801 and the low groove 802 inner periphery diameters of main beam 8.During the draining pump assembling, the upper groove 801 of main beam 8 snaps in the opening 901 of feet 9, fixedly beam 11 snaps in the opening 1001 of rear support pin 10, macropore in the irregularly-shaped hole 18 that main beam 8 on draining pump 1 is aimed on back cover 16, from top to bottom draining pump 1 is placed on back cover 16, then by draining pump 1 level, the direction to the macropore 15 on front lower reinforcement 13 advances, until main beam 8 coordinates and puts in place with the aperture of irregularly-shaped hole 18 on back cover 16, then insert copper sheathing 3 in the centre bore 1103 on fixing beam 11, the screw hole 17 connected on back cover 16 through copper sheathing 3 with hold-down screw 2, draining pump 1 is fixed.Be positioned at the fixing and damping effect of 8 the arterial drainage pumps of two king's font master beams that assemble under electrical axis, passing through the hold-down screw 2 of the fixedly beam 11 of pump housing rear end fixes as auxiliary again, effectively reduce vibration, and cost is low, easy to assembly quick.
Embodiment 2,
As shown in Fig. 1,2,3,5,6,7, the present invention includes casing of washing machine 12, the bottom of casing 12 is provided with front lower reinforcement 13 and washing machine back cover 16, and front lower reinforcement 13 is arranged on the casing 12 of washing machine back cover 16 front portions, and draining pump 1 connects washing machine back cover 16 by main beam 8.Draining pump 1 comprises the pump housing 4 and electric machine assembly 6, the both sides of the pump housing 4 bottoms of draining pump 1 are provided with feet 9, feet 9 is provided with the opening 901 towards the pump housing outside, opening 901 on feet 9 be positioned at electric machine assembly 6 axis under, opening 901 on feet 9 is " Ω " shape, and the opening 901 of " Ω " shape can guarantee to snap in the rear positioning stablity of main beam 8.Washing machine back cover 16 is provided with the irregularly-shaped hole 18(of two Pear-Shapeds as Fig. 3), the intercommunicating pore that irregularly-shaped hole 18 is 2 unequal holes of diameter, the aperture of irregularly-shaped hole 18 is near front lower reinforcement 13.Main beam 8 is " king " shaped rotary body, by elastic caoutchouc, made, be provided with upper groove 801 and low groove 802(as Fig. 5), main beam 8 is upper and lower symmetrical structure, the diameter of the pad 803 at its middle part is greater than the diameter of the clamping dish 804 at upper and lower two ends, and this laterally zygomorphic structure is convenient to assembling.The opening 901 of feet 9 is stuck in the upper groove 801 of main beam 8, and on washing machine back cover 16, the aperture of irregularly-shaped hole 18 is stuck in the low groove 802 of main beam 8.Offer 1 macropore 15 and blocked hole 14 on front lower reinforcement 13, the diameter of macropore 15 is greater than the front end maximum gauge of the draining pump pump housing 4, and the front portion of the draining pump pump housing 4 is provided with screw hole 5; Fixedly beam 11 is " work " shaped rotary body, by elastic caoutchouc, made, fixedly beam 11 is provided with centre bore 1103, fixedly the draw-in groove of beam 11 is installed in the blocked hole 14 on front lower reinforcement, and hold-down screw 2 is fixedly connected with the screw hole 5 of the draining pump pump housing 4 front portions through the centre bore 1103 on fixing beam 11.In the present embodiment, fixedly two madial walls of the draw-in groove 1102 of beam 11 are provided with a plurality of salient point 1101(Fig. 6), salient point 1101 can, after the blocked hole 14 that snaps in front lower reinforcement 13, strengthen damping effect; Fixedly the centre bore on beam 11 1103 is quincunx, and in quincuncial centre bore 1103, copper sheathing 3 is set, and can further strengthen damping effect.
2 irregularly-shaped holes 18 are arranged on back cover 16, irregularly-shaped hole 18 comprises the intercommunicating pore that 2 diameters do not wait, the diameter of macropore is slightly less than the diameter of the pad 803 of main beam 8, be greater than the diameter of clamping dish 804 at the two ends up and down of main beam 8, the hole diameter of irregularly-shaped hole 18 is close to upper groove 801 and the low groove 802 inner periphery diameters of main beam 8.During the draining pump assembling, the upper groove 801 of main beam 8 snaps in the opening 901 of feet 9, fixedly beam 11 snaps in the blocked hole 14 of front lower reinforcement 13, macropore in the irregularly-shaped hole 18 that main beam 8 on draining pump 1 is aimed on back cover 16, from top to bottom draining pump 1 is placed on back cover 16, then by draining pump 1 level, the direction to the macropore 15 on front lower reinforcement 13 advances, until main beam 8 coordinates and puts in place with the aperture of irregularly-shaped hole 18 on back cover 16, then the centre bore on fixing beam 11 inserts copper sheathing 3, connect the screw hole 5 of the front portion of the draining pump pump housing 4 through copper sheathing 3 with hold-down screw 2, thereby draining pump 1 is fixed.Being positioned at 8 the main draining pumps of two king's font master beams that assemble under electrical axis fixes and damping effect, the hold-down screw 2 of the fixedly beam 11 by pump housing front portion is as auxiliary fixing (only fixing in the front portion of draining pump again, do not need the rear portion in embodiment 1 to fix), effectively reduce vibration, and cost is low, easy to assembly quick.