CN208268365U - A kind of worm gearing for electrical motor gearshift - Google Patents

Abstract

The utility model relates to the technical fields of power transmission auxiliary equipment can reduce influence of the external shock to worm gear and worm screw more particularly to a kind of worm gearing for electrical motor gearshift, reduce economic loss；And the stability of input shaft and output shaft can be improved, improve use reliability；Influence of the moisture in air to work can be reduced simultaneously, improve working efficiency；Including shell, worm gear and worm screw；It further include bradyseism case, four groups of connecting rods, one group of left fixed spring and one group of right fixed spring, outer casing bottom front left side, left rear side, forward right side and right lateral side are respectively arranged with four groups of buffer springs, four groups of connecting rod left and right ends are respectively arranged with four groups of pulleys, and one group of left fixed spring right end and one group of right fixed spring left end are respectively arranged with one group of left snap-gauge and one group of right snap-gauge；It further include one group of left compressed spring, compressed spring, one group of left limit plate and one group of front limit plate before one group；It further include left moisture-absorption box and right moisture-absorption box.

Description

A kind of worm gearing for electrical motor gearshift

Technical field

The utility model relates to the technical field of power transmission auxiliary equipment, more particularly to a kind of for electrical motor gearshift Worm gearing.

Background technique

It is well known that the worm gearing for electrical motor gearshift is a kind of for for transmitting power and movement In mechanism, the auxiliary equipment of winding number required for the winding number of motor is altered to obtains in the field of power transmission Extensive use；The existing worm gearing for electrical motor gearshift includes shell, worm gear and worm screw, is set in shell It is equipped with working chamber, worm gear and worm screw are separately mounted to lower half region and upper half area in shell, and on worm gear and worm screw respectively It is provided with gear and screw thread, worm gear is contacted with top with worm screw bottom, and gear is mutually twisted with screw thread, before worm screw left end and worm gear Side wall centers region is respectively arranged with input shaft and output shaft, and input shaft and output shaft are each passed through shell left side wall with before Side wall；The existing worm gearing for electrical motor gearshift in use, input shaft is mounted at motor output end, and Output shaft is connect with the mechanism of required power, opens motor, motor band driven input shaft is rotated, worm screw rotation is made to drive snail Wheel rotation, decelerates to required winding number for the winding number of motor, and so that power mechanism is worked by output shaft；Existing use It is found in the worm gearing use of electrical motor gearshift, external shock is easy to make to occur mutually to touch between worm gear and worm screw It hits, causes the damage of worm and gear, cause economic loss；And its input shaft and output shaft stability are poor, thus to power Reception and registration has an impact, and use reliability is poor, and is easy to be influenced by moisture in air in its course of work, so as to cause Its working efficiency is lower.

Utility model content

In order to solve the above technical problems, the utility model, which provides one kind, can reduce external shock to the shadow of worm gear and worm screw It rings, reduces economic loss；And the stability of input shaft and output shaft can be improved, improve use reliability；It can subtract simultaneously Influence of the moisture to work in few air, improves the worm gearing for electrical motor gearshift of working efficiency.

A kind of worm gearing for electrical motor gearshift of the utility model, including shell, worm gear and worm screw, outside Working chamber is provided in shell, worm gear and worm screw are separately mounted to lower half region and upper half area in shell, and in worm gear and worm screw On be respectively arranged with gear and screw thread, worm gear is contacted with top with worm screw bottom, and gear is mutually twisted with screw thread, worm screw left end and Worm gear front side wall middle section is respectively arranged with input shaft and output shaft, and input shaft and output shaft are each passed through on the left of shell Wall and front side wall；It further include bradyseism case, four groups of connecting rods, one group of left fixed spring and one group of right fixed spring, the shell bottom Portion's front left side, left rear side, forward right side and right lateral side are respectively arranged with four groups of buffer springs, and four groups of connecting rods are separately mounted to Four groups of buffering elastic bottom ends, and four groups of pulleys are respectively arranged with four groups of connecting rod left and right ends, it is provided in the bradyseism case slow Chamber is shaken, and bradyseism case front side wall is provided with pick-and-place mouth, mouth is picked and placed and is communicated with bradyseism chamber, and be provided with chamber door at mouth picking and placing, Bottom left area and right half area are vertically arranged with left chain wheel slot and right pulley slot, four groups of cunnings respectively in the bradyseism case Wheel is located in left chain wheel slot and right pulley slot, one group of left fixed spring left end and one group of right fixed spring right end difference It connect with left side wall and right side wall in bradyseism case, and is set respectively in one group of left fixed spring right end and one group of right fixed spring left end It is equipped with one group of left snap-gauge and one group of right snap-gauge, one group of left snap-gauge right side wall and one group of right snap-gauge left side wall are left with shell respectively Side wall and right side wall contact, bradyseism case left side wall upper half area and chamber door lower half region are respectively arranged with left fixing port and preceding fixation Mouthful, the left fixing port is communicated with bradyseism chamber, and the input shaft and output shaft are each passed through left fixing port and preceding fixing port；Also wrap Include one group of left compressed spring, compressed spring, one group of left limit plate and one group of front limit plate before one group, one group of left compressed spring Compressed spring one end is separately mounted to left fixing port and preceding fixing port, one group of left limit plate and one group of front limit before with one group Plate is separately mounted to the compressed spring other end before one group of left compressed spring and one group, and one group of left limit plate and one group of front limit Plate is contacted with input shaft and output shaft lateral wall respectively；It further include left moisture-absorption box and right moisture-absorption box, the left moisture-absorption box and right suction It is wet and be respectively placed in bottom left end and right end in bradyseism case, left moisture absorption is respectively arranged in the left moisture-absorption box and right moisture-absorption box Chamber and right moisture absorption chamber, and left moisture absorption port and right moisture absorption port, left moisture absorption port are respectively arranged at the top of left moisture-absorption box and right moisture-absorption box It is communicated respectively with left moisture absorption chamber and right moisture absorption chamber with right moisture absorption port.

A kind of worm gearing for electrical motor gearshift of the utility model, further includes left limit frame, right limit Frame, left door and right door, the left limit frame and right limit frame are separately mounted to bradyseism bottom portion left end and right end, the left side Moisture-absorption box and right moisture-absorption box are respectively placed in left limit frame and right limit frame, and the left door and right door are separately mounted to a left side At moisture absorption port and right moisture absorption port, and one group of left moisture absorption hole and one group of right moisture absorption hole are respectively arranged on left door and right door.

A kind of worm gearing for electrical motor gearshift of the utility model further includes four groups of support columns and four groups Idler wheel, four groups of support columns are separately mounted to bradyseism bottom portion front left side, left rear side, forward right side and right lateral side, and described four groups Idler wheel is separately mounted to four groups of support column bottom ends, and four groups of non-skid rubber rings are respectively arranged on upper group of idler wheel.

A kind of worm gearing for electrical motor gearshift of the utility model further includes one group of left non-slip mat and one Non-slip mat before group, non-slip mat is separately mounted to one group of left limit plate and one group of right limit plate before one group of left non-slip mat and one group On input shaft and output shaft contact surface.

A kind of worm gearing for electrical motor gearshift of the utility model, further includes Air Filter, the bradyseism Case right side wall is provided with thermovent, and thermovent is communicated with bradyseism chamber, and the Air Filter is mounted at thermovent.

Compared with prior art the utility model has the following beneficial effects: by above-mentioned setting, can be existed by four groups of pulleys It is moved forward and backward in left chain wheel slot and right pulley slot, adjusts position of the shell in bradyseism case, and can be solid by one group of left side of compression Determine spring and one group of right fixed spring, contact one group of left snap-gauge and one group of right snap-gauge with shell left side wall and right side wall respectively, One group of left snap-gauge and one group of right snap-gauge is set to squeeze shell by the elastic force of one group of fixed spring and one group of right fixed spring, thus phase To position of the fixing shell in bradyseism case, and external shock can be reduced by four groups of buffer springs to the shadow of worm gear and worm screw It rings, reduces economic loss；And one group of left limit plate can be made by compressed spring before one group of left compressed spring of extruding and one group It is contacted respectively with input shaft and output shaft with one group of front limit plate, and passes through one group of left compressed spring and one group of front limit spring Elastic force makes one group of left limit plate and one group of front limit plate squeeze input shaft and output shaft, thus the position of fixed input shaft and output shaft It sets, the stability of input shaft and output shaft can be improved, improve use reliability；Moisture-absorption box to the left and right suction can be passed through simultaneously Hygroscopic fillers are packed into wet box respectively, by hygroscopic fillers by the moisture absorption in bradyseism case, reduce the moisture pair in air The influence of work improves working efficiency.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is that the connection of bradyseism case, one group of left compressed spring, one group of left limit plate, one group of left non-slip mat and input shaft is shown It is intended to；

Fig. 3 is the partial enlarged view in the portion A in Fig. 1；

It is attached marked in the figure: 1, shell；2, worm gear；3, worm screw；4, gear；5, screw thread；6, input shaft；7, bradyseism case；8, even Extension bar；9, left fixed spring；10, buffer spring；11, pulley；12, left snap-gauge；13, left compressed spring；14, left limit plate；15, Right moisture-absorption box；16, right limit frame；17, right door；18, support column；19, idler wheel；20, non-skid rubber ring；21, left non-slip mat；22, Air Filter.

Specific embodiment

With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.

As shown in Figure 1 to Figure 3, a kind of worm gearing for electrical motor gearshift of the utility model, including it is outer Shell 1, worm gear 2 and worm screw 3 are provided with working chamber in shell, and worm gear and worm screw are separately mounted to lower half region and upper half in shell Region, and gear 4 and screw thread 5 are respectively arranged on worm gear and worm screw, worm gear is contacted with top with worm screw bottom, gear and spiral shell Line is mutually twisted, and worm screw left end and worm gear front side wall middle section are respectively arranged with input shaft 6 and output shaft, and input shaft and Output shaft is each passed through shell left side wall and front side wall；It further include left 9 and of fixed spring of 7, four groups of bradyseism case, 8, one groups of connecting rod One group of right fixed spring, outer casing bottom front left side, left rear side, forward right side and right lateral side are respectively arranged with four groups of buffer springs 10, Four groups of connecting rods are separately mounted to four groups of buffering elastic bottom ends, and are respectively arranged with four groups of pulleys four groups of connecting rod left and right ends 11, it is provided with bradyseism chamber in bradyseism case, and bradyseism case front side wall is provided with pick-and-place mouth, picks and places mouth and communicated with bradyseism chamber, and It picks and places and is provided with chamber door at mouth, bottom left area and right half area are vertically arranged with left chain wheel slot and right cunning respectively in bradyseism case Race, four groups of pulleys are located in left chain wheel slot and right pulley slot, one group of left fixed spring left end and one group of right fixed spring Right end is connect with left side wall in bradyseism case and right side wall respectively, and left in one group of left fixed spring right end and one group of right fixed spring End is respectively arranged with one group of left snap-gauge 12 and one group of right snap-gauge, one group of left snap-gauge right side wall and one group of right snap-gauge left side wall respectively with Shell left side wall and right side wall contact, bradyseism case left side wall upper half area and chamber door lower half region be respectively arranged with left fixing port and Preceding fixing port, left fixing port are communicated with bradyseism chamber, and input shaft and output shaft are each passed through left fixing port and preceding fixing port；Further include Compressed spring, one group of left limit plate 14 and one group of front limit plate before one group of 13, one groups of left compressed spring, one group of left compressed spring and Compressed spring one end is separately mounted to left fixing port and preceding fixing port, one group of left limit plate and one group of front limit plate difference before one group It is mounted on the compressed spring other end before one group of left compressed spring and one group, and one group of left limit plate and one group of front limit plate difference It is contacted with input shaft and output shaft lateral wall；It further include left moisture-absorption box and right moisture-absorption box 15, left moisture-absorption box and right moisture absorption and difference It is placed in bottom left end and right end in bradyseism case, left moisture absorption chamber and right moisture absorption are respectively arranged in left moisture-absorption box and right moisture-absorption box Chamber, and left moisture absorption port and right moisture absorption port, left moisture absorption port and right moisture absorption port are respectively arranged at the top of left moisture-absorption box and right moisture-absorption box It is communicated respectively with left moisture absorption chamber and right moisture absorption chamber；It, can be by four groups of pulleys in left chain wheel slot and right pulley by above-mentioned setting It is moved forward and backward in slot, adjusts position of the shell in bradyseism case, and can be solid by one group of left fixed spring of compression and one group of right side Determine spring, contacts one group of left snap-gauge and one group of right snap-gauge with shell left side wall and right side wall respectively, pass through one group of fixed spring One group of left snap-gauge and one group of right snap-gauge is set to squeeze shell with the elastic force of one group of right fixed spring, so that relatively fixed shell is in bradyseism Position in case, and influence of the external shock to worm gear and worm screw can be reduced by four groups of buffer springs, reduce economic loss； And one group of left limit plate and one group of front limit plate point can be made by compressed spring before one group of left compressed spring of extruding and one group It is not contacted with input shaft and output shaft, and one group of left limit is made by the elastic force of one group of left compressed spring and one group of front limit spring Plate and one group of front limit plate squeeze input shaft and output shaft, so that the position of fixed input shaft and output shaft, can be improved input The stability of axis and output shaft improves use reliability；It simultaneously can be by being filled respectively in moisture-absorption box to the left and right moisture-absorption box Enter hygroscopic fillers, by hygroscopic fillers by the moisture absorption in bradyseism case, reduces influence of the moisture in air to work, improve Working efficiency.

A kind of worm gearing for electrical motor gearshift of the utility model, further includes left limit frame, right limit Frame 16, left door and right door 17, left limit frame and right limit frame are separately mounted to bradyseism bottom portion left end and right end, left moisture absorption Box and right moisture-absorption box are respectively placed in left limit frame and right limit frame, left door and right door be separately mounted to left moisture absorption port and At right moisture absorption port, and one group of left moisture absorption hole and one group of right moisture absorption hole are respectively arranged on left door and right door；By above-mentioned Setting, can by the way that left moisture-absorption box and right moisture-absorption box are respectively placed in left limit frame and right limit frame, make left moisture-absorption box and The position of right moisture-absorption box is relatively fixed, reduces left moisture-absorption box and right moisture-absorption box in bradyseism case intrinsic displacement, and can be by will be left Door and right door are separately mounted at left moisture absorption port and right moisture absorption port, are reduced hygroscopic fillers and are spilt, and can pass through one group Left moisture absorption hole and one group of right moisture absorption hole facilitate the absorption of moisture.

A kind of worm gearing for electrical motor gearshift of the utility model further includes four groups of support columns 18 and four Group idler wheel 19, four groups of support columns are separately mounted to bradyseism bottom portion front left side, left rear side, forward right side and right lateral side, four groups of idler wheels Four groups of support column bottom ends are separately mounted to, and are respectively arranged with four groups of non-skid rubber rings 20 on upper group of idler wheel；By above-mentioned setting, Four groups of idler wheels can be separately mounted to bradyseism bottom portion by four groups of support columns, and bradyseism case can be facilitated by four groups of idler wheels Movement, while four groups of non-skid rubber rings can be passed through enhance four groups of frictional force between idler wheel and placed side.

A kind of worm gearing for electrical motor gearshift of the utility model further includes one group of left 21 He of non-slip mat Non-slip mat before one group, before one group of left non-slip mat and one group non-slip mat be separately mounted to one group of left limit plate and one group of right limit plate with On input shaft and output shaft contact surface；By above-mentioned setting, non-slip mat enhancing one before one group of left non-slip mat and one group can be passed through Frictional force between group left limit plate and one group of front limit plate and input shaft and output shaft improves the stabilization of input shaft and output shaft Property.

A kind of worm gearing for electrical motor gearshift of the utility model further includes Air Filter 22, bradyseism case Right side wall is provided with thermovent, and thermovent is communicated with bradyseism chamber, and Air Filter is mounted at thermovent；Pass through above-mentioned setting, worm gear The heat that generation is mutually moved with worm screw can be spilt into outside air by thermovent, reduce the excessively high phenomenon of skin temperature, and And the impurity in air can be reduced by Air Filter and be mixed into bradyseism case by thermovent.

A kind of worm gearing for electrical motor gearshift of the utility model can pass through four at work Group pulley is moved forward and backward in left chain wheel slot and right pulley slot, adjusts position of the shell in bradyseism case, and can pass through compression One group of left fixed spring and one group of right fixed spring, make one group of left snap-gauge and one group of right snap-gauge respectively with shell left side wall and right side Wall contact squeezes one group of left snap-gauge and one group of right snap-gauge by the elastic force of one group of fixed spring and one group of right fixed spring outer Shell, thus relatively fixed position of the shell in bradyseism case, and external shock can be reduced by four groups of buffer springs to worm gear With the influence of worm screw, economic loss is reduced, and one can be made by compressed spring before one group of left compressed spring of extruding and one group Group left limit plate and one group of front limit plate are contacted with input shaft and output shaft respectively, and by before one group of left compressed spring and one group The elastic force of limit spring makes one group of left limit plate and one group of front limit plate squeeze input shaft and output shaft, can be anti-by one group of left side Non-slip mat enhances the frictional force between one group of left limit plate and one group of front limit plate and input shaft and output shaft before skidding and one group, To the position of fixed input shaft and output shaft, the stability of input shaft and output shaft can be improved, while can be by the left It is packed into hygroscopic fillers respectively in moisture-absorption box and right moisture-absorption box, by hygroscopic fillers by the moisture absorption in bradyseism case, reduces empty Influence of the moisture to work in gas improves working efficiency, can be by the way that left moisture-absorption box and right moisture-absorption box are respectively placed in a left side In position-limited rack and right limit frame, keeps the position of left moisture-absorption box and right moisture-absorption box relatively fixed, reduce left moisture-absorption box and right moisture-absorption box In bradyseism case intrinsic displacement, and can be subtracted by the way that left door and right door to be separately mounted at left moisture absorption port and right moisture absorption port Few hygroscopic fillers spill, and can facilitate the absorption of moisture by one group of left moisture absorption hole and one group of right moisture absorption hole, can pass through Four groups of idler wheels are separately mounted to bradyseism bottom portion by four groups of support columns, and can be enhanced by four groups of non-skid rubber rings four groups of idler wheels with Frictional force between placed side, input shaft is mounted at motor output end, and the mechanism of output shaft and required power is connected It connects, opens motor, rotate motor band driven input shaft, so that worm screw rotation is driven worm gear rotation, the winding number of motor is decelerated to The heat that required winding number, and make power mechanism work by output shaft, worm gear and worm screw mutually move generation can lead to It crosses thermovent to spill into outside air, reduces the excessively high phenomenon of skin temperature, and can reduce by Air Filter miscellaneous in air Matter is mixed into bradyseism case by thermovent, and before completing above-mentioned movement, the personnel of being operated first can push bradyseism case by four Group idler wheel is moved to the position of user's needs.

The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art For art personnel, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these change It also should be regarded as the protection scope of the utility model into modification.

Claims (5)

1. a kind of worm gearing for electrical motor gearshift, including shell (1), worm gear (2) and worm screw (3), shell (1) It is inside provided with working chamber, worm gear (2) and worm screw (3) are separately mounted to the interior lower half region of shell (1) and upper half area, and in worm gear (2) and on worm screw (3) it is respectively arranged with gear (4) and screw thread (5), worm gear (2) is contacted with top with worm screw (3) bottom, gear (4) be mutually twisted with screw thread (5), worm screw (3) left end and worm gear (2) front side wall middle section be respectively arranged with input shaft (6) and Output shaft, and input shaft (6) and output shaft are each passed through shell (1) left side wall and front side wall；It is characterized in that, further including delaying It is left front to shake case (7), four groups of connecting rods (8), one group of left fixed spring (9) and one group of right fixed spring, shell (1) bottom Side, left rear side, forward right side and right lateral side are respectively arranged with four groups of buffer springs (10), and four groups of connecting rods (8) are installed respectively Four groups of pulleys (11), the bradyseism case are respectively arranged with four groups of buffering elastic bottom ends, and four groups of connecting rod (8) left and right ends (7) it is provided with bradyseism chamber in, and bradyseism case (7) front side wall is provided with pick-and-place mouth, picks and places mouth and is communicated with bradyseism chamber, and picking and placing Be provided with chamber door at mouthful, the interior bottom left area of the bradyseism case (7) and right half area be vertically arranged with respectively left chain wheel slot and Right pulley slot, four groups of pulleys (11) are located in left chain wheel slot and right pulley slot, and one group of left fixed spring (9) is left End and one group of right fixed spring right end are connect with the interior left side wall of bradyseism case (7) and right side wall respectively, and in one group of left fixed spring (9) right end and one group of right fixed spring left end are respectively arranged with one group of left snap-gauge (12) and one group of right snap-gauge, one group of left card Plate (12) right side wall and one group of right snap-gauge left side wall are contacted with shell (1) left side wall and right side wall respectively, bradyseism case (7) left side wall Upper half area and chamber door lower half region are respectively arranged with left fixing port and preceding fixing port, and the left fixing port is communicated with bradyseism chamber, The input shaft (6) and output shaft are each passed through left fixing port and preceding fixing port；It further include one group of left compressed spring (13), one group Preceding compressed spring, one group of left limit plate (14) and one group of front limit plate compress before one group of left compressed spring (13) and one group Spring one end is separately mounted to left fixing port and preceding fixing port, and one group of left limit plate (14) and one group of front limit plate are pacified respectively The compressed spring other end before one group of left compressed spring (13) and one group, and one group of left limit plate (14) and one group of front limit Plate is contacted with input shaft (6) and output shaft lateral wall respectively；It further include left moisture-absorption box and right moisture-absorption box (15), the left moisture-absorption box With right moisture absorption and be respectively placed in the interior bottom left end of bradyseism case (7) and right end, in the left moisture-absorption box and right moisture-absorption box (15) point Be not provided with left moisture absorption chamber and right moisture absorption chamber, and be respectively arranged at the top of left moisture-absorption box and right moisture-absorption box (15) left moisture absorption port and Right moisture absorption port, left moisture absorption port and right moisture absorption port are communicated with left moisture absorption chamber and right moisture absorption chamber respectively.

2. a kind of worm gearing for electrical motor gearshift as described in claim 1, which is characterized in that further include a left side Position-limited rack, right limit frame (16), left door and right door (17), the left limit frame and right limit frame (16) are separately mounted to delay Shake case (7) bottom left end and right end, the left moisture-absorption box and right moisture-absorption box (15) are respectively placed in left limit frame and right limit frame (16) in, the left door and right door (17) are separately mounted at left moisture absorption port and right moisture absorption port, and in left door and right gear One group of left moisture absorption hole and one group of right moisture absorption hole are respectively arranged on lid (17).

3. a kind of worm gearing for electrical motor gearshift as claimed in claim 2, which is characterized in that further include four Group support column (18) and four groups of idler wheels (19), four groups of support columns (18) are separately mounted to bradyseism case (7) bottom front left side, a left side Rear side, forward right side and right lateral side, four groups of idler wheels (19) are separately mounted to four groups of support column (18) bottom ends, and in upper group of idler wheel (19) four groups of non-skid rubber rings (20) are respectively arranged on.

4. a kind of worm gearing for electrical motor gearshift as claimed in claim 3, which is characterized in that further include one Non-slip mat before the left non-slip mat (21) of group and one group, non-slip mat is separately mounted to one group before one group of left non-slip mat (21) and one group On left limit plate (14) and one group of right limit plate and input shaft (6) and output shaft contact surface.

5. a kind of worm gearing for electrical motor gearshift as claimed in claim 4, which is characterized in that further include preventing Dirt net (22), bradyseism case (7) right side wall are provided with thermovent, and thermovent is communicated with bradyseism chamber, Air Filter (22) peace At thermovent.