CN209603713U - A kind of door lifter - Google Patents

Abstract

The utility model relates to a kind of door lifters, the door lifter improves the prior art, wheel shaft is equipped with quick-release mechanism, it can quick release, and the bottom of the knocker of the electric door-opening machine of the utility model is equipped with bottom plate, bottom plate has an outwardly directed panel, panel is equipped with a plurality of impermeable conduit of transverse direction corresponding with trolley width, solves the injustice that is recessed on the ground of the position of the on or off of door, finally to cause the trolley of electric door-opening machine normally cannot leave or tip in the knocker for the electric door-opening machine being mounted on the ground of the position of on or off of door, or electric door-opening machine cannot normally start or close the problem that this user is often reflected.

Description

A kind of door lifter

Technical field

The utility model relates to a kind of door lifters.

Background technique

Door lifter is commonly used in realizing the electric opening of various door body, close.But door lifter has various, and door lifter is pressed Driving method can be divided into: electromechanical door lifter and fluid pressure type door lifter.It can be divided by structure: electromechanical arm type door lifter, hydraulic Arm type door lifter, electromechanical buried door lifter, hydraulic buried door lifter, crank arm type door lifter and wheeled door lifter.It opens the door Machine can be divided by driving method: electromechanical door lifter and fluid pressure type door lifter.Upper classification is used by door lifter, is broadly divided into: Iron skill door opener, garden door opener, opening machine for extensible door, door opening machine of garage, revolving door, suspension type are opened the door Machine, roller shutter door opener, industrial door opener etc., the problem of with middle discovery is used;It is necessary to improve for door lifter.

Summary of the invention

The task of the utility model provides a kind of improved door lifter.The task of the utility model is by following technical side Case is completed: being equipped with small size motor, turbine, the automatic catch bar that is controlled by the controller, small size motor in the door lifter One end of shaft extends that small size motor out is external, and one end of shaft is equipped with and turns tooth, turns tooth and nibbles with the gear in turbine shaft It closes, the shaft of shaft and the driving gear of turbine on turbine is coaxial, first rotating shaft on driving gear and short axle bracket Transition gear engagement, first rotating shaft are equipped with coaxial apical tooth gear, and apical tooth gear and transition gear are that have concentric one Accessory is mounted on short axle bracket, and apical tooth gear is synchronous simultaneously around axle center turn with transition gear, and transition gear is set with fixation Transmission gear engagement on wheel shaft;One of wheel shaft is hollow cylindrical body, and hollow key channel is set in hollow cylindrical body Body, the hollow cylindrical body of wheel shaft are externally provided with fluting, and fluting is penetrating wheel shaft, and the position of fluting is located at trolley axle center one Side, the both ends of strip pass through the fluting of penetrating wheel shaft in fluting, and the middle part of strip is equipped with strip groove, and one end of mandril abuts against In strip groove, one end of mandril is equipped with interior hexagonal groove, interior hexagonal groove outer ring be and pass through the hollow cylinder of wheel shaft The hollow key channel body of body is connected, and the inner wall of hollow cylindrical body is equipped on internal screw thread, with the inner wall of hollow cylindrical body Corresponding internal screw thread is mandril in vitro equipped with corresponding external screw thread, and the position of strip is located at the loose slot of trolley axle center side In, loose slot is outside side opening, and strip side sets spring, and a crown of spring is in the bottom of hollow cylindrical body, bullet The other end of spring is withstood on side in the middle part of the orthogonal strip of spring, and the transmission gear on wheel shaft leans on the side side of strip It is equipped with the cross recess of the size of the linear type strip of corresponding strip, the depth of cross recess is 2-3 millimeter, wheel shaft both ends It is respectively placed in wheel shaft bearings at both ends, wheel bearing is placed on wheel shaft supporting frame in support circle, bearing supporting frame bolt and electricity The connecting plate of dynamic door lifter is fixedly connected, and the outside side of hollow key channel body is kept off by wheel bearing support circle hollow In cylindrical body;The left side of transmission gear is equipped with snap ring, and snap ring is stuck in the left side of wheel shaft upper transfer gear, the snap ring left side Wheel shaft is equipped with Ka Dong, corresponding with the size of Ka Dong to set a roundlet card column, roundlet card column be stuck in spragging gear axle center on wheel shaft and Ka Dong is upper to be connected and fixed spragging gear, and isolation pad, the left side of isolation pad are set on the wheel shaft on the left of spragging gear Wheel shaft on equipped with closing door strike, the side for closing door strike is equipped with gate stop, and the lower part for closing door strike is equipped with prong, and prong can It is stuck on the roundlet pillar for the automatic catch bar tail portion movable stand side evagination being controlled by the controller;The shifting of automatic catch bar tail portion Moving frame is equipped with a conduit, sets clamp in conduit, clamp in conduit groove, has slot with bolt bolt on the left of clamp Road little spring, conduit little spring one is placed in conduit bottom, below the left side for the clamp that the other end of conduit little spring is withstood on, The tooth of small triangle is formed above the left side of clamp, the size of the tooth of small triangle and the teeth size of spragging gear are corresponding;Driven opening The bottom of the knocker of door machine is equipped with bottom plate, and bottom plate has an outwardly directed panel, and panel is equipped with corresponding with trolley width more Laterally impermeable conduit, the bottom plate being connected with panel are equipped with chimb to item, and chimb is wrapped in the knocker of electric door-opening machine, knocker Side be equipped with bayonet, bayonet is seen as approximate flat square, the bayonet size and electric door-opening machine of bayonet from bayonet Way in On button door gate stop size it is corresponding, door is buckled equipped with a strip fixing groove and two small fixing grooves, corresponding to bottom plate Also same shape fixing groove and two small fixing grooves are set on position.

Compared with the prior art, the utility model solves the problems, such as of the existing technology, electronic when encountering power failure When door lifter trolley is immovable, the die nut of correspondingly-sized can be inserted into corresponding in a hollow cylindrical body of wheel shaft Mandril hexagonal pull in mouth, mandril can be made along the screw advancement of hollow cylindrical body, to push the driving cog on wheel shaft open Wheel, be allowed to it is coaxial on strip separate, then the transmission gear on wheel shaft is in state free to rotate, then trolley can also It moves freely, then the die nut insertion mandril hexagonal of correspondingly-sized is pulled in mouth again, makes mandril along hollow cylindrical body Inner wall on internal screw thread retreat, can restore cross clip bar groove on transition gear side with it is coaxial on strip tooth engagement.This reality It is inserted into the corresponding cylinder bolt of a hollow cylindrical body of shaft with the die nut of novel correspondingly-sized, hexagonal is pulled in mouth Take two turns, so that it may unlock, than the prior art, other solutions are more preferably used, faster, and improved structure it is simpler, can To save the material of accessory, another advantage of the utility model is, the knocker of the electric door-opening machine of the utility model also with crowd Difference, the bottom of the knocker of the electric door-opening machine of the utility model are equipped with bottom plate, and bottom plate has an outwardly directed similar ellipse Shape panel, the trolley of the corresponding electric door-opening machine on the ground in the position of the on or off of door in position of similar ellipse panel Position when static, similar ellipse panel are equipped with a plurality of impermeable conduit of transverse direction corresponding with trolley width, install in this way It is very durable on the ground of the position of the on or off of door, overcome vibration and the mill of the trolley of each electric door-opening machine It wipes, will cause recess injustice on the ground of the position of the on or off at gate over time, it is final to cause electric door-opening machine Trolley normally cannot leave or tip in the knocker of the electric door-opening machine being mounted on the ground of the position of on or off of door, or electricity Dynamic door lifter cannot normally start or close the problem that this user is often reflected.

Detailed description of the invention

Fig. 1 is a kind of schematic perspective view of the utility model.

Fig. 2 is small size motor and turbine structure schematic diagram.

Fig. 3 is the wheel axle portion structure separate state diagram of the utility model.

Fig. 4 is the structural schematic diagram of the cross recess on the side side of strip of transmission gear 21 on wheel shaft.

Fig. 5 be the utility model transmission gear 21 with it is coaxial on 17 discrete state diagrammatic cross-section of strip.

Fig. 6 is the structural schematic diagram when prong 33 of the utility model is stuck on the roundlet pillar 71 of evagination.

Fig. 7 is the partial cutaway schematic view of structure.

Fig. 8 is a kind of knocker schematic perspective view of electric door-opening machine of the utility model.

Fig. 9 is the bottom plate schematic perspective view of the knocker of Fig. 8.

Specific embodiment

Below in conjunction with the specific embodiment of attached drawing, the present invention will be further described.(but be not to the utility model Limitation).

As shown in Figures 1 to 9, small size motor 1 is equipped in the electric door-opening machine, (being commonly called as fractional motor) turbine 2 is controlled The automatic catch bar 4 that device 3 processed controls, one end of small size motor shaft extend that small size motor out is external, and one end of shaft is set Have and turn tooth, turn tooth and engaged with the gear 5 in 2 shaft of turbine, the shaft of the driving gear 6 of the shaft and turbine on turbine is same Axis, driving gear 6 are engaged with the transition gear 7 of first rotating shaft 8 on short axle bracket 10, and first rotating shaft 8 is equipped with coaxial apical tooth tooth Wheel 9, apical tooth gear 9 and transition gear 7 are that have concentric integrated accessory, i.e. apical tooth gear 9 and transition gear 7 leans against one It rises, it is mountable in this way on short axle bracket 10, material, apical tooth gear 9 and transition can be reduced mounted in long axis frame than existing Gear 7 is synchronous simultaneously around axle center turn, i.e. apical tooth gear 9 rotates, and transition gear 7 is also while synchronizing around axle center turn; Transition gear 7 is engaged with the fixed transmission gear 12 being located on wheel shaft 13, then when transmission gear 12 rotates, wheel shaft 13 is with trolley 14 rotations, so that gate be driven to open or close.One of the wheel shaft 13 is hollow cylindrical body, is set in hollow cylindrical body Hollow key channel body 23, the hollow cylindrical body of wheel shaft 13 are externally provided with fluting 15, and fluting 15 is penetrating wheel shaft 13, is opened The position of slot 15 is located at 14 axle center side of trolley, strip 17 in fluting 15, and the both ends of strip 17 pass through the fluting of penetrating wheel shaft 13 15, the middle part of strip 17 is equipped with strip groove 18, and one end of mandril 19 acts against in strip groove 18, and one end of mandril 19 is set There is interior hexagonal groove, interior hexagonal groove outer ring is connected with the hollow key channel body 23 of the cylindrical body hollow with wheel shaft 13 is passed through Logical, the inner wall of hollow cylindrical body is equipped with internal screw thread, and corresponding with internal screw thread on the inner wall of hollow cylindrical body is mandril 19 Be equipped with corresponding external screw thread in vitro, the position of strip 17 is located in the loose slot 20 of trolley axle center side, loose slot 20 be to Outer openings, 17 side of strip sets spring 16, the crown of spring 16 in the bottom of hollow cylindrical body, spring 16 it is another One crown with the orthogonal 17 middle part side of strip of spring, strip 17 can be by the active force of spring 16 or mandril 19 along axle center Left or right is mobile, and the transmission gear 21 on wheel shaft is equipped with the linear type projecting surface of corresponding strip 17 on the side side of strip Size cross recess 22, the depth of cross recess is 2-3 millimeter, and usually linear type strip is by spring 16, active force, In the linear type projecting surface insertion cross recess of strip 17, when having a power failure, trolley is not active, then in the insertion of hexagonal small wrench The hexagonal that mandril 19 is rotated in empty cylindrical body pulls mouth, and mandril 19 can make mandril along the screw advancement of hollow cylindrical body, To which strip is mobile to trolley interior direction, the transmission gear 21 on wheel shaft with it is coaxial on strip 17 separate, then on wheel shaft Transmission gear is in state free to rotate, then trolley 14 can move freely, and reset is by the die nut of correspondingly-sized The hexagonal of 61 insertion mandrils is pulled in mouth, is made mandril along the internal screw thread retrogressing along the inner wall of hollow cylindrical body, can be restored to pass On 21 side of moving gear cross recess with it is coaxial on strip tooth engagement.Since the depth of cross recess described above is 2-3 Bo Rice, the depth that strip is stuck in cross recess is shorter, so another advantage of utility model is, the die nut of the utility model After the hexagonal for the mandril being inserted into a hollow cylindrical body of wheel shaft is pulled in mouth, as long as die nut takes two turns, so that it may open Linear type strip allows transmission gear 21 to dally and unlock, and than the prior art, other unlock speed are fast, more preferable to use.Such as Fig. 1 institute Show, 13 both ends of wheel shaft are respectively placed in wheel shaft bearings at both ends (bearing 42), and wheel bearing is placed in support circle on wheel shaft supporting frame In, as support frame 24 support circle in, bearing supporting frame bolt is fixedly connected with the connecting plate 29 of electric door-opening machine;, hollow The outside side of key channel body 23 is kept off in hollow cylindrical body by 24 support circle 41 of wheel bearing.The left side of transmission gear 21 Face is equipped with snap ring 25, and snap ring 25 is stuck in the left side of 13 upper transfer gear 21 of wheel shaft, and the wheel shaft 13 on 25 left side of snap ring is equipped with card Hole 26, it is corresponding with the size in card hole 26 to set a roundlet card column 27, roundlet card column 27 be stuck in spragging gear axle center on wheel shaft 13 and To be connected and fixed spragging gear 28 on card hole 26, isolation pad 30, isolation are set on the wheel shaft 13 in 28 left side of spragging gear Equipped with door strike 31 is closed on the wheel shaft 13 in the left side of gasket, the side for closing door strike 31 is equipped with gate stop 32, closes door strike 31 Lower part is equipped with prong 33, and prong 33 is stuck in 34 tail portion movable stand of automatic catch bar, the 35 side evagination that is controlled by the controller It is the fragmentary cross-sectional view of the structure of the utility model as shown in Figure 7 on roundlet pillar 71, it is as seen from the figure, automatic to push The movable stand 35 of 34 tail portion of bar is equipped with a conduit 36, clamp 35 is set in conduit 36, clamp 35 is with 44 bolt of bolt in conduit 36 In, the left side of clamp 35 has conduit little spring 38, and conduit little spring 38 1 are placed in conduit bottom, conduit little spring 38 The left side of clamp 35 that withstands on of other end below, the tooth 39 of small triangle, the tooth of small triangle are formed above the left side of clamp 35 39 size is corresponding with the teeth size of spragging gear 28, when trolley runs to the enabling starting point set on the ground, closes door After in the bayonet 86 of the knocker fixing piece 88 of the gate stop card of fastener 31 on the ground, tooth 39 and the spragging gear 28 of small triangle Teeth intermeshing, the then automatic catch bar 4 being controlled by the controller stop small size motor 1, are pushed by automatic catch bar 34, Closing the gate stop that sets on door strike 3 and corresponding knocker may be at hooking or unhook state: when gate is shut, gate stop slide-in is located at Gate closes in the bayonet 86 of the knocker 88 at point place, and when enabling, gate stop on electric door-opening machine by being controlled by the controller Automatic catch bar pushes abjection knocker.It is driven in this way by small size motor 1, drives shaft rotation and trolley is driven to rotate and make gate On or off;Small size motor 1 is set on electric door-opening machine connecting plate 29;This structure use more preferable than the prior art.Electric door-opening machine Knocker be mounted in gate on or off position ground on, when big on or off, which is left or tips in, is mounted on opening for door Or the knocker of the electric door-opening machine on the ground for the position closed, and the vibration and friction of the trolley of electric door-opening machine every time, long And recess is uneven for long will cause on the ground of the position of the on or off at gate, the final trolley to cause electric door-opening machine It normally cannot leave or tip in the knocker or electric open-door of the electric door-opening machine being mounted on the ground of the position of on or off of door Machine normally cannot start or close, and the solution typically now taken in order to solve this problem is in the electric door-opening machine The position of knocker is mended place mat cement and is smoothed out to recess, but mends place mat cement and carry out smoothing out this method soon to recess Will occur recess again, the utility model people is as those skilled in the art by the way that electric door-opening machine is used for a long time thus Observation, has carried out technological improvement, devises a kind of knocker of novel electric door-opening machine, and as shown in Fig. 8 Fig. 9, this is practical new The bottom of the knocker of the electric door-opening machine of type is equipped with bottom plate 81, and bottom plate 81 has an outwardly directed panel, such as similar ellipse Panel 82, the corresponding position when the trolley of the electric door-opening machine on the ground in the position of the on or off of door is static in the position of panel 82 It sets, panel 82 is equipped with a plurality of impermeable conduit 87 of transverse direction corresponding with trolley width, on the bottom plate 81 being connected with panel 82 Equipped with chimb 83, chimb 83 is wrapped in the knocker 88 of electric door-opening machine, and the side of knocker 88 is equipped with bayonet 86, and bayonet 86 is from bayonet Way in is seen as approximate flat square, the gate stop size pair of the bayonet size of bayonet 86 and the button door on electric door-opening machine It answers, to facilitate gate stop to be caught in bayonet 86, knocker 88 is equipped with an elongated fixing groove, such as oval fixing groove 85 and two Fixing groove, such as small circular fixing groove 84, to also setting same shape fixing groove 89 and two small fixations on 81 corresponding position of bottom plate Slot 90 then can be used ground bolt to pass through elongated fixing groove and small fixing groove and install the knocker of the electric door-opening machine of the utility model On the ground of the position of the on or off of door.The knocker and its bottom plate of electric door-opening machine be stainless steel production, bottom plate this Sample improve be mounted on door on or off position ground on it is very durable, overcome the trolley of each electric door-opening machine Vibration and friction will cause recess injustice on the ground of the position of the on or off at gate over time, final to cause electricity The trolley of dynamic door lifter normally cannot leave or tip in the electric door-opening machine being mounted on the ground of the position of on or off of door Knocker or electric door-opening machine cannot normally start or close the problem that this user is often reflected.

It is all according to similar change made by above-mentioned design the above is only specific embodiment of the utility model, this ought to be belonged to The range of utility model.

Claims (1)

1. a kind of door lifter, it is characterised in that, in the door lifter be equipped with small size motor, turbine, be controlled by the controller from Dynamic catch bar, one end of small size motor shaft extend that small size motor out is external, and one end of shaft is equipped with and turns tooth, turn tooth with Gear engagement in turbine shaft, the shaft of shaft and the driving gear of turbine on turbine be it is coaxial, drive gear with it is short The transition gear engagement of first rotating shaft, first rotating shaft are equipped with coaxial apical tooth gear, apical tooth gear and transition gear on bracing strut It is that there is concentric integrated accessory, is mounted on short axle bracket, apical tooth gear is synchronous simultaneously around axle center turn with transition gear , transition gear is engaged with the fixed transmission gear being located on wheel shaft;One of wheel shaft is hollow cylindrical body, hollow circle Hollow key channel body is set in cylinder, the hollow cylindrical body of wheel shaft is externally provided with fluting, and fluting is penetrating wheel shaft, fluting Position is located at trolley axle center side, and the both ends of strip pass through the fluting of penetrating wheel shaft in fluting, and it is recessed that the middle part of strip is equipped with strip Slot, one end of mandril act against in strip groove, and one end of mandril is equipped with interior hexagonal groove, interior hexagonal groove outer ring with for The hollow key channel body of the cylindrical body hollow across wheel shaft is connected, and the inner wall of hollow cylindrical body is equipped with internal screw thread, in It is mandril in vitro equipped with corresponding external screw thread that internal screw thread is corresponding on the inner wall of empty cylindrical body, and the position of strip is located at trolley In the loose slot of axle center side, loose slot is outside side opening, and strip side sets spring, and a crown of spring is hollow The bottom of cylindrical body, the other end of spring are withstood on side in the middle part of the orthogonal strip of spring, transmission gear on wheel shaft The cross recess of corresponding strip size is equipped with by the side side of strip, the depth of cross recess is 2-3 millimeter, wheel shaft two End is respectively placed in wheel shaft bearings at both ends, and wheel bearing is placed on wheel shaft supporting frame in support circle, bearing supporting frame bolt with The connecting plate of electric door-opening machine is fixedly connected, and the outside side of hollow key channel body is kept off by wheel bearing support circle hollow Cylindrical body in;The left side of transmission gear is equipped with snap ring, and snap ring is stuck in the left side of wheel shaft upper transfer gear, the snap ring left side Wheel shaft be equipped with Ka Dong, corresponding with the size of Ka Dong to set a roundlet card column, roundlet card column is stuck in the spragging gear axle center on wheel shaft And isolation pad, a left side for isolation pad are set on the wheel shaft on the left of spragging gear to be connected and fixed spragging gear on Ka Dong Equipped with door strike is closed on the wheel shaft of side, the side for closing door strike is equipped with gate stop, and the lower part for closing door strike is equipped with prong, prong It may be stuck on the roundlet pillar for the automatic catch bar tail portion movable stand side evagination being controlled by the controller;Automatic catch bar tail portion Movable stand is equipped with a conduit, sets clamp in conduit, clamp in conduit groove, is had with bolt bolt on the left of clamp Conduit little spring, conduit little spring one is placed in conduit bottom, below the left side for the clamp that the other end of conduit little spring is withstood on, The tooth of small triangle is formed above the left side of clamp, the size of the tooth of small triangle and the teeth size of spragging gear are corresponding;Driven opening The bottom of the knocker of door machine is equipped with bottom plate, and bottom plate has an outwardly directed panel, and panel is equipped with corresponding with trolley width more Laterally impermeable conduit, the bottom plate being connected with panel are equipped with chimb to item, and chimb is wrapped in the knocker of electric door-opening machine, knocker Side be equipped with bayonet, bayonet is seen as approximate flat square, the bayonet size and electric door-opening machine of bayonet from bayonet Way in On button door gate stop size it is corresponding, door is buckled equipped with a strip fixing groove and two small fixing grooves, corresponding to bottom plate Also same shape fixing groove and two small fixing grooves are set on position.