CN207082961U

CN207082961U - A kind of tube shaped electric machine

Info

Publication number: CN207082961U
Application number: CN201720918311.5U
Authority: CN
Inventors: 魏春辉; 喻丹
Original assignee: Ningbo Yorrte Mechanic And Electronic Technology Co Ltd
Current assignee: Ningbo Yorrte Mechanic And Electronic Technology Co Ltd
Priority date: 2017-07-26
Filing date: 2017-07-26
Publication date: 2018-03-09
Anticipated expiration: 2027-07-26

Abstract

The utility model discloses a kind of tube shaped electric machine, solves in the prior art the problem of stroke lead screw axle need to overcome the pressure of back-moving spring to act on travel switch contact, cause to increase motor electric energy loss.Its drip irrigation device is a kind of tube shaped electric machine, including the stroke apparatus with range controlling mechanism, the range controlling mechanism includes driving gear shaft, two stroke lead screw axles and positioned at two travel switch contact of each stroke lead screw axle one end, the driven gear engaged with driving gear shaft is threaded with each stroke lead screw axle, the driving gear shaft drives two driven gears reverse shuffle on respective stroke lead screw axle；Each driven gear is provided with the hollow push rod for promoting the movement of travel switch contact towards the side of travel switch contact, reach the electric energy needed for reduction driven gear impact stroke switch contact procedure, save the purpose that tube shaped electric machine integrally consumes electric energy at range controlling mechanism.

Description

A kind of tube shaped electric machine

Technical field

Machine field is the utility model is related to, in particular, is related to a kind of tube shaped electric machine.

Background technology

Tube shaped electric machine is widely used in the fields such as various motors lifting door and windows, shading system, projection screen, including outside Motor pipe, motor assembly, brake assembly, deceleration assembly and formation control assembly, press direction switch control under signal intelligence Motor assembly, which rotates, passes through the deceleration output drive motor pipe rotation of deceleration assembly, and motor pipe rotates again electronic outer tube rotation and realizes door The lifting of window or projection screen.The tube shaped electric machine of in the market, successively including deceleration device, motor, brake gear, arrangement of clutch with Stroke apparatus, stroke apparatus include the man-operated mechanism of side connection.

Utility model of the stroke apparatus specifically if number of patent application is CN200820177788.3 discloses a kind of tube shaped electric machine, Including motor, planet gear reducing mechanism, output shaft, fixed shaft assembly, range controlling mechanism is installed in sleeve inner, and motor passes through Planet gear reducing mechanism connects output shaft, and motor connects to form controlling organization by fixed shaft assembly, such as the patent accompanying drawing 2 and attached Shown in Fig. 6, range controlling mechanism input gear is driven a rack, and one and gear are respectively provided with the two screw rods parallel with rack The collision block of bar engagement, collision block internal control are coordinated by screw thread and screw rod, and rack, which drives collision block to rotate, makes collision block make forward along screw rod Or translation backward, when a collision block moves to screw rod close to predeterminated position before the back-moving spring of end, lead-screw is axially moved The travel switch contact of range controlling mechanism is touched, stops motor.

Then when acting on travel switch contact, screw rod needs to overcome the pressure of back-moving spring in the axial direction, that is, increases motor The loss of electric energy, after long-term use of, consumption electric energy is excessive, causes the waste of the energy.

Utility model content

The purpose of this utility model is to provide a kind of tube shaped electric machine, reduces in driven gear impact stroke switch contact procedure Required electric energy, save the electric energy that tube shaped electric machine is integrally consumed at range controlling mechanism.

Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of tube shaped electric machine, bag Include the stroke apparatus with range controlling mechanism, the range controlling mechanism include driving gear shaft, two stroke lead screw axles with And positioned at two travel switch contacts of each stroke lead screw axle one end, be threaded with each stroke lead screw axle with The driven gear of driving gear shaft engagement, the driving gear shaft drive two driven gears anti-on respective stroke lead screw axle To sliding；Each driven gear is provided with hollow the pushing away for promoting the movement of travel switch contact towards the side of travel switch contact Bar.

By using above-mentioned technical proposal, stroke apparatus includes range controlling mechanism, and range controlling mechanism includes mutual The driving gear shaft and driven gear of engagement, and driven gear is threaded on stroke lead screw axle, one end of driven gear is set There is the hollow push rod for acting on travel switch contact, its operation principle is that the driving gear shaft in range controlling mechanism drives two Individual driven gear reversely slides in stroke lead screw shaft, when a wherein driven gear contradicts travel switch contact, you can close Motor, so as to carry out Stroke Control to motor, compared with prior art, reduce the reset bullet on stroke lead screw axle Spring, so as to lose the active force that need to overcome spring pressure pressing stroke switch contact, so as to reduce the electric energy that motor is consumed, Long-term use, substantial amounts of electric energy can be saved, environmental protection.

It is of the present utility model to be further disposed in each provided with suit between the travel switch contact and driven gear Pushing block in stroke lead screw shaft, each pushing block is provided with towards the side of travel switch contact promotes travel switch to touch The mobile push rod of point.

By using above-mentioned technical proposal, pushing block is set, and pushing block is provided with push rod so that a pair of the push rod of pushing block One act on travel switch contact, avoids making hollow push rod rub with travel switch contact because driven gear rotates Wipe.

It is of the present utility model to be further disposed in the side of each pushing block towards driven gear is offered for empty The annular groove of heart push rod insertion, each interior circumferential clasp for being provided with perpendicular rings fluted shaft line of the annular groove, each hollow push rod Side wall is provided with to be coordinated to drive annular snap rib of the pushing block away from travel switch contact with circumferential clasp.

By using above-mentioned technical proposal, pushing block is provided with the annular groove for hollow push rod insertion, and annular is provided with annular groove Snap ring, hollow push rod are provided with the annular snap rib coordinated with circumferential clasp so that driven gear can drive pushing block in stroke silk Slid on thick stick axle, when avoiding driven gear away from travel switch contact, pushing block still pressing stroke switch contact.

It is of the present utility model to be further disposed in the driving gear shaft and stroke lead screw axle are axially mounted to support In, and the support offers two and the through hole switched to contradict circuitry cuts to get an electric shock is worn for push rod；The pushing block side wall Provided with sliding block, the support, which offers, to be slid for sliding block to limit the chute that pushing block rotates in a circumferential direction in stroke lead screw shaft.

By using above-mentioned technical proposal, driving gear shaft and stroke lead screw axle are installed in support, and support opens up logical Hole passes pressing stroke switch contact for push rod, and sliding block is set on pushing block, and chute is opened up on support, because pushing block is accompanied Moving gear slides in stroke lead screw shaft so that each sliding block slides in chute, is rotated in a circumferential direction so as to limit pushing block, with true The push rod and through hole for protecting pushing block are always positioned on same straight line.

It is of the present utility model to be further disposed in the stroke apparatus includes what is rotated in a circumferential direction for driving driving gear shaft Internal tooth block set, the lateral wall of the internal tooth block set are provided with multiple power supply machines and are fixedly connected to realize card that internal tooth block set rotates in a circumferential direction Connect block.

By using above-mentioned technical proposal, driving gear shaft drives through internal tooth block set to be rotated, and internal tooth block set is provided with clamping Block is fixedly connected with motor, consequently facilitating the block set rotation of driving internal tooth.

It is of the present utility model to be further disposed in one end that the driving gear shaft wears support has been wholely set coaxially The input gear that line rotates in a circumferential direction, internal tooth block set madial wall and the input gear outside are provided with intermeshing inclined teeth.

By using above-mentioned technical proposal, the input tooth with the rotation of driving gear shaft coaxial line is provided with internal tooth block set Wheel, and input gear is directly engaged with internal tooth block set by inclined teeth, sets inclined teeth, using inclined teeth, engagement property Good, stable drive, noise are small；And inclined teeth registration is big, the carrying energy of gear can be improved by reducing the load of each pair gear Power.

It is of the present utility model to be further disposed in the end face that each pushing block has annular groove is provided with and annular groove phase Logical guiding surface.

By using above-mentioned technical proposal, guiding surface is set, consequently facilitating hollow push rod is inserted in chute, prevents sky Heart push rod causes to wear to the surface of pushing block.

In summary, the utility model has the advantages that：Range controlling mechanism includes passing through internal tooth casing by motor The driving gear shaft that seat and input gear drive and the stroke lead screw axle for being arranged on driving gear shaft both sides, in stroke lead screw shaft Be threaded with driven gear and the pushing block being fixedly connected with driven gear, driven gear and driving gear shaft engagement so as to Slid in stroke lead screw shaft, pushing block is provided with sliding block, is slided in the chute of support, and pushing block is provided with and acted on The push rod of travel switch contact, so as to drive pushing block to slide onto at travel switch contact by driven gear, eliminate existing Back-moving spring in technology at pushing block, from without overcoming spring pressure to act on travel switch contact, reduce motor The electric energy of damage.

Brief description of the drawings

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

Fig. 2 is exploded view a of the present utility model；

Fig. 3 is exploded view b of the present utility model；

Fig. 4 is the sectional view of stroke lead screw axle, driven gear and pushing block.

In figure, 1, stroke apparatus；11st, fixed shaft assembly；12nd, support；121st, chamber；122nd, through hole；123rd, chute；13、 Internal tooth block set；131st, clamping block；132nd, input gear；2nd, range controlling mechanism；21st, driving gear shaft；22nd, stroke lead screw axle； 23rd, driven gear；24th, pushing block；241st, push rod；242nd, sliding block；25th, travel control switch；251st, travel switch contact；3rd, it is empty Heart push rod；31st, annular snap rib；4th, annular groove；41st, circumferential clasp；42nd, guiding surface；5th, inclined teeth.

Embodiment

The utility model is described in further detail below in conjunction with accompanying drawing.

As shown in figure 1, a kind of tube shaped electric machine, including the deceleration device being sequentially connected（Do not illustrated in figure）, motor（In figure Do not illustrate）, brake gear（Do not illustrated in figure）, arrangement of clutch（Do not illustrated in figure）With stroke apparatus 1, stroke apparatus 1 Fixation shaft assembly 11 including side, for tube shaped electric machine to be fixedly mounted on into metope（Do not illustrated in figure）On.

Range controlling mechanism 2 is provided with stroke apparatus 1, and range controlling mechanism 2 is mostly installed in a support 12, and Support 12 is cylindrical, and a chamber 121 is axially offered in the side of support 12, so that range controlling mechanism 2 is installed.In support An internal tooth block set 13 with the coaxial line of support 12 is provided between 12 and fixed shaft assembly 11, and the lateral wall of internal tooth block set 13 is provided with Two relative clamping blocks 131, clamping block 131 are fixed for power supply machine, so that the 13 circumferential rotation of motor driving internal tooth block set Turn.

With reference to shown in Fig. 2 and Fig. 3, range controlling mechanism 2 includes the driving gear being axially mounted in the chamber 121 of support 12 Axle 21, and driving gear shaft 21 wears one end of support 12 and has been wholely set an input gear 132.Input gear 132 and master The coaxial line of movable gear shaft 21 rotates in a circumferential direction, and the madial wall of the outside of input gear 132 and internal tooth block set 13 is equipped with inclination saw Tooth 5, input gear 132 engage with the madial wall of internal tooth block set 13, under the driving of motor input gear 132 are driven actively Go out wheel shaft to rotate in a circumferential direction.

Two stroke lead screw axles 22 being axially mounted in the chamber 121 of support 12 are provided with positioned at the both sides for actively going out wheel shaft, And a driven gear 23 is threaded with each stroke lead screw axle 22, two driven gears 23 are and driving gear shaft 21 It is meshed, then the rotation of driving gear shaft 21 drives driven gear 23 to rotate, and driven gear 23 is by screw thread and row due to endoporus What journey lead screw shaft 22 coordinated so that two driven gears 23 make forwardly and rearwardly reverse translation along two stroke lead screw axles 22.

Shown in reference to Fig. 4 and referring to figs. 1 to Fig. 3, two driven gears 23 are installed with backwards to the side of internal tooth block set 13 Hollow push rod 3, the end both sides of hollow push rod 3 are equipped with the annular snap rib 31 set along the side wall of hollow push rod 3.Each stroke silk A pushing block 24 is arranged with thick stick axle 22, and pushing block 24 is respectively positioned on side of the driven gear 23 with hollow push rod 3.Pushing block 24 offer annular groove 4 towards the side of driven gear 23, and annular groove 4 inserts for hollow push rod 3, and two madial walls of annular groove 4 are relative Circumferential clasp 41 is provided with, the axis of the vertical annular groove 4 of circumferential clasp 41 is set.The axial direction of circumferential clasp 41 and annular snap rib 31 is cut The equal semicircular in shape in face, annular groove 4 is assigned into so as to which limitation of the hollow push rod 3 through annular snap rib 31 and circumferential clasp 41 is fixed It is interior so that pushing block 24 slides with driven gear 23 in stroke lead screw shaft 22.The end face that pushing block 24 has annular groove 4 is provided with The guiding surface 42 communicated with annular groove 4, consequently facilitating hollow push rod 3 is inserted in chute 123.

Each pushing block 24 is provided with a push rod 241 backwards to the side of driven gear 23, and offers two confessions in support 12 The through hole 122 that push rod 241 is worn.The side for being located at support 12 in the other end of two through holes 122 is provided with range controlling mechanism 2 Travel control switch 25, and forming controlling switch, there are two to correspond the travel switch contact 251 set with through hole 122, Then push rod 241 may pass through through hole 122 and promote travel switch contact 251, so as to which shutoff stroke controlling switch 25 is electric to close tubulose Machine.The side wall of each pushing block 24 is installed with sliding block 242, and is provided with two chutes 123 in the side wall of chamber 121 of support 12, sliding Groove 123 is axially arranged, because pushing block 24 slides in stroke lead screw shaft 22 with driven gear 23 so that each sliding block 242 is in cunning Slide in groove 123, rotated in a circumferential direction so as to limit pushing block 24, to ensure that the push rod 241 of pushing block 24 and through hole 122 are always positioned at On same straight line.

The operation principle of stroke apparatus 1 is in whole tube shaped electric machine：Motor driving internal tooth block set 13 rotates, so that defeated Enter gear 132 to rotate with driving gear shaft 21, through actively going out engaging for wheel shaft and driven gear 23 so that two driven gears 23 The reverse shuffle in stroke lead screw shaft 22, because of driven gear 23 and fixation of the pushing block 24 through hollow push rod 3 and annular groove 4, and push away The sliding block 242 of motion block 24 slides in the chute 123 of support 12 so that pushing block 24 is with driven gear 23 in stroke lead screw shaft 22 Upper reverse shuffle, wherein a pushing block 24 is moved to the through hole 122 for making push rod 241 pass through support 12, and push rod 241 presses therewith Corresponding travel switch contact 251, so as to close motor so that whole tube shaped electric machine stops, and the counter motion of two pushing block 24 is handed over Stroke Control is carried out to motor for the action for touching travel control switch 25.

This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but As long as all protected in right of the present utility model by Patent Law.

Claims

1. a kind of tube shaped electric machine, including the stroke apparatus (1) with range controlling mechanism (2), it is characterised in that：The stroke control Mechanism (2) processed includes driving gear shaft (21), two stroke lead screw axles (22) and positioned at each stroke lead screw axle (22) one end Two travel switch contacts (251), be threaded with and driving gear shaft (21) on each stroke lead screw axle (22) The driven gear (23) of engagement, the driving gear shaft (21) drive two driven gears (23) in respective stroke lead screw axle (22) reverse shuffle on；Each driven gear (23) is provided with towards the side of travel switch contact (251) promotes stroke to open Close contact (251) mobile hollow push rod (3).

A kind of 2. tube shaped electric machine according to claim 1, it is characterised in that：Each travel switch contact (251) with The pushing block (24) being sleeved on stroke lead screw axle (22), each pushing block (24) direction are provided between driven gear (23) The side of travel switch contact (251) is provided with the push rod (241) for promoting travel switch contact (251) mobile.

A kind of 3. tube shaped electric machine according to claim 2, it is characterised in that：Each pushing block (24) is towards driven tooth The side of wheel (23) offers the annular groove (4) for hollow push rod (3) insertion, and vertical annular groove (4) is provided with each annular groove (4) The circumferential clasp (41) of axis, the side wall of each hollow push rod (3) are provided with to coordinate with circumferential clasp (41) and pushed away with driving Annular snap rib (31) of the motion block (24) away from travel switch contact (251).

A kind of 4. tube shaped electric machine according to claim 3, it is characterised in that：The driving gear shaft (21) and stroke lead screw Axle (22) is axially mounted in support (12), and the support (12) offers two and worn for push rod (241) to contradict electricity The through hole (122) of road cut-out electric shock switch；Pushing block (24) side wall is provided with sliding block (242), and the support (12) offers Slid for sliding block (242) to limit the chute (123) that pushing block (24) rotates in a circumferential direction in stroke lead screw shaft (22).

A kind of 5. tube shaped electric machine according to claim 1, it is characterised in that：The stroke apparatus (1) is included for driving master The internal tooth block set (13) that movable gear shaft (21) rotates in a circumferential direction, the lateral wall of the internal tooth block set (13) are fixed provided with multiple power supply machines Connection is to realize clamping block (131) that internal tooth block set (13) rotates in a circumferential direction.

A kind of 6. tube shaped electric machine according to claim 5, it is characterised in that：The driving gear shaft (21) wears support (12) one end is wholely set the input gear (132) that coaxial line rotates in a circumferential direction, internal tooth block set (13) madial wall and defeated Enter and be provided with intermeshing inclined teeth (5) on the outside of gear (132).

A kind of 7. tube shaped electric machine according to claim 3, it is characterised in that：Each pushing block (24) has annular groove (4) end face is provided with the guiding surface (42) communicated with annular groove (4).