CN210810446U - Rack type adjustable mounting structure of curtain stretching device - Google Patents

Abstract

The utility model provides a (window) curtain stretching device's rack formula adjustable mounting structure, it has solved (window) curtain stretching device mounting structure flexibility poor, the installation is dismantled inconveniently, the problem that the motor easily drops, it is including the tensile casing that has the inner chamber, it is equipped with the reel body that is linked together with the delivery outlet to rotate in tensile casing one end, and the reel body is connected with and drives reel body circumferential direction's rotation actuating mechanism, tensile casing reverse side both sides have mutual parallel arrangement's installation sand grip respectively, endwise slip is equipped with the mounting panel between the installation sand grip, one side that the installation sand grip is close to the mounting panel has the ratchet respectively, and the mounting panel both sides have respectively with ratchet matched with pawl, and pawl and ratchet intermeshing location. The utility model has the advantages of low cost, adjustable motor and the tensile force and the relative position of the pull bead or the pull rope, convenient assembly and disassembly, difficult shedding of the motor and the like.

Description

Rack type adjustable mounting structure of curtain stretching device

Technical Field

The utility model belongs to the technical field of door and window equipment, concretely relates to (window) curtain stretching device's rack formula adjustable mounting structure.

Background

The curtain is generally made of cloth, hemp, yarn, aluminum sheet, wood chip, metal material and the like, and has the functions of shading, insulating heat, protecting privacy, adjusting indoor light and the like. Along with the improvement of living standard of people, the quality of curtain is also higher and higher, the open-close type curtain about traditional can not satisfy the requirement of many households, because the place that these open-close type curtain occupy the window both sides is great about, influence pleasing to the eye, and pile up and be easily blown open by wind when controlling both sides, also need install two if installation remote control intelligence opening and shutting device, and the cost is higher, so, roll-up curtain formula curtain such as draw bead formula or stay cord formula is gradually popularized, this kind of curtain can the crimple in the upper end of window when not expanding generally, take up an area of for a short time, draw the draw bead or stay cord and even use the remote controller during the use, the curtain will transfer, but this kind of curtain generally needs a better stretching device and curtain control head to make the curtain realize transferring and withdrawing. However, some existing stretching devices for roller blinds are not ideal, and some stretching devices are inconvenient to install a motor or a stretching assembly; or the user is inconvenient to adjust the tensioning force and the relative position of the motor, the pull bead and the pull rope at will, the pull bead or the pull rope is easy to clamp and even break, and the flexibility is poor; in addition, the motor is easy to fall off in some control heads provided with the motor, and the potential safety hazard is large.

In order to solve the defects of the prior art, people have long searched for and put forward various solutions. For example, the chinese patent document discloses an automatic curtain control device [201810439577.0], including a motor, a planetary gear reducer, a suction cup electromagnet, a first end-face toothed disc, a slider device, a second end-face toothed disc, and a bead-pulling curtain head. The motor is connected with the first end face gear disc through a planetary gear reducer, and the sucker electromagnet is arranged on the planetary gear reducer. The slider device comprises a shell, a third end face fluted disc with magnetism, a spring and a fourth end face fluted disc, wherein a shell through hole is formed in the middle of the shell, the third end face fluted disc and the fourth end face fluted disc are rotatably arranged in the shell through hole, the third end face fluted disc is in spline connection with the fourth end face fluted disc, and two ends of the spring are respectively connected with the third end face fluted disc and the fourth end face fluted disc. The teeth of the second end face fluted disc are meshed with the teeth of the fourth end face fluted disc, and the second end face fluted disc is connected with the bead pulling curtain head.

The scheme solves the problem that the stretching assembly in the curtain stretching control structure is easy to clamp or break and the like and has poor flexibility to a certain extent, but the scheme still has a plurality of defects, for example, the number of matched parts is large, the installation or the disassembly is troublesome, and secondly, the motor is arranged at the edge part of the structure, and the motor is easy to fall off under the action of external force, so that the curtain stretching control structure is easy to break down and has certain danger.

Disclosure of Invention

The utility model aims at the above problem, a reasonable in design is provided, the flexibility is high, installs convenient (window) curtain stretching device's rack formula adjustable mounting structure.

In order to achieve the above purpose, the utility model adopts the following technical proposal: this (window) curtain stretching device's rack formula adjustable mounting structure, including the tensile casing that has the inner chamber, rotate at tensile casing one end and be equipped with the reel body that is linked together with the delivery outlet, just reel body be connected with and drive reel body circumferential direction's rotation actuating mechanism, tensile casing reverse side both sides have the installation sand grip of mutual parallel arrangement respectively, the installation sand grip between the axial sliding be equipped with the mounting panel, the installation sand grip one side that is close to the mounting panel ratchet bar has respectively, just the mounting panel both sides have respectively with ratchet bar matched with pawl, just pawl and ratchet bar intermeshing location. The curtain upward-pulling bead or the pulling rope is wound on the winding wheel body, the reverse side of the stretching shell is fixed on the wall body, the pawls on the two sides of the mounting plate are meshed with the ratchets on the inner side of the mounting raised lines on the reverse side of the stretching shell, the mounting plate can stop after the reverse side of the stretching shell slides, and the pawls can be compressed inwards, so that the mounting plate can reciprocate on the reverse side of the stretching shell.

In the rack-type adjustable mounting structure of the curtain stretching device, an axial guide structure is arranged between the reverse side of the stretching shell and the mounting plate.

In the rack-type adjustable mounting structure of the curtain stretching device, the axial guide structure comprises a guide groove axially arranged on one side of the mounting plate close to the stretching shell, a T-shaped guide rail corresponding to the guide groove is axially arranged on the reverse side of the stretching shell, and the guide groove is connected with the T-shaped guide rail in a sliding manner. The mounting plate slides on the reverse side of the stretching shell by virtue of the axial guide structure.

In the rack-type adjustable mounting structure of the curtain stretching device, the rotation driving mechanism comprises a rotation driving assembly which is arranged in the inner cavity of the stretching shell and is connected with the winding wheel body, the rotation driving assembly is respectively connected with a power supply assembly arranged in the inner cavity of the stretching shell and a circuit board with a control circuit, and the stretching shell is positively provided with the control assembly connected with the circuit board. The power supply assembly can be a dry battery or a storage battery.

In the rack-type adjustable mounting structure of the curtain stretching device, the rotation driving assembly comprises a gear box body arranged at one end of the stretching shell, the winding wheel body is rotatably arranged outside the gear box body, a transmission gear assembly connected with the winding wheel body is arranged in the gear box body, and a driving motor connected with the transmission gear assembly is arranged in an inner cavity of the stretching shell. The driving motor provides power to enable the transmission gear assembly to rotate, so that the winding wheel body is driven to rotate, the pull beads or the pull ropes rotate, and the curtain is placed and retracted.

In foretell (window) curtain stretching device's rack formula adjustable mounting structure, the drive gear subassembly including setting up the output gear on driving motor's output shaft, output gear and one-level helical gear link to each other, one-level helical gear and one-level straight-teeth gear coaxial fixed, just one-level straight-teeth gear and second grade straight-teeth gear link to each other, just second grade straight-teeth gear upper end coaxial fixed have the little straight-teeth gear of second grade, just second grade little straight-teeth gear and the tertiary straight-teeth gear intermeshing of setting in the axis of rotation, just the winding wheel body set up the one end in the axis of rotation. The transmission gear assembly is provided with a plurality of gears, so that multi-stage transmission is met, the structure is compact, the efficiency is high, the gears are not easy to wear, and the service life is long.

In foretell (window) curtain stretching device's rack formula adjustable mounting structure, tensile casing include the open last casing in one side, power supply unit, driving motor and circuit board set up respectively in last casing, just uncovered department joint of last casing be provided with can be with uncovered confined back lid, just installation sand grip form in back lid both sides.

In the rack-type adjustable mounting structure of the curtain stretching device, the control assembly comprises a plurality of control keys arranged on the outer side of the upper shell, and the circuit board is arranged on the inner side of the upper shell corresponding to the control keys. The control button can control the up-and-down motion of mounting panel, and the mounting panel is located the inboard of tensile casing and links to each other with driving motor really, also can take driving motor motion when the mounting panel moves to adjust the motor and draw pearl or stay cord relative position, adjust the tensile force.

In the rack-type adjustable mounting structure of the curtain stretching device, the gear box body is arranged at one end of the rear cover body, an output wheel cover plate covering the winding wheel body is arranged on one side of the gear box body, and an output port which is positioned at one end of the stretching shell and is connected with the winding wheel body is arranged between the output wheel cover plate and the gear box body. The pull bead or pull cord rotates back and forth in the output port.

In the rack-type adjustable mounting structure of the curtain stretching device, the mounting plate is provided with a plurality of mounting holes or mounting grooves. The convex ribs on the outer frame of the driving motor can be connected through the mounting holes or the mounting grooves, so that the mounting plate can drive the driving motor to move when sliding.

Compared with the prior art, the utility model has the advantages of: the installation structure components of the curtain stretching device are easy to install and disassemble, are convenient to overhaul and have low manufacturing cost; the back of the mounting structure of the curtain stretching device is provided with the slidable mounting plate, the mounting plate can drive the driving motor to move, a user can conveniently and randomly adjust the relative position and the tensile force between the driving motor and the pull bead or the pull rope, and the pull bead or the pull rope has high flexibility and is not easy to clamp or break; the driving motor in the mounting structure of the curtain stretching device is mounted inside the stretching shell, the motor is not easy to fall off, the safety is high, and the fault phenomenon caused by non-operation of the motor is not easy to occur.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present invention;

fig. 2 is an exploded view of the present invention;

in the drawing, a stretching housing 1, an output port 11, an upper housing 12, a rear cover 13, a reel body 2, a rotation driving mechanism 3, a rotation driving assembly 31, a power supply assembly 32, a circuit board 33, a control assembly 34, a gear box 35, a control button 36, an output wheel cover plate 37, a mounting convex strip 4, a ratchet rack 41, a mounting plate 5, a pawl 51, an axial guide structure 6, a guide groove 61, a T-shaped guide rail 62, a driving motor 7, a transmission gear assembly 8, an output gear 81, a first-stage helical gear 82, a first-stage spur gear 83, a second-stage spur gear 84, a second-stage small spur gear 85, a third-stage spur gear 86 and a rotation shaft 87 are.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-2, the rack-type adjustable mounting structure of the curtain stretching device includes a stretching housing 1 having an inner cavity, a reel body 2 connected to an output port 11 is rotatably disposed at one end of the stretching housing 1, the reel body 2 is connected to a rotation driving mechanism 3 capable of driving the reel body 2 to rotate circumferentially, two sides of the back surface of the stretching housing 1 are respectively provided with mounting convex strips 4 arranged in parallel, a mounting plate 5 is disposed between the mounting convex strips 4 in an axial sliding manner, one side of the mounting convex strip 4 close to the mounting plate 5 is respectively provided with a ratchet bar 41, two sides of the mounting plate 5 are respectively provided with pawls 51 matched with the ratchet bar 41, and the pawls 51 and the ratchet bar 41 are positioned in an engaged manner. The curtain upward-pulling bead or the pulling rope is wound on the winding wheel body 2, the reverse side of the stretching shell 1 is fixed on a wall body, the pawls 51 on the two sides of the mounting plate 5 are meshed with the ratchets on the inner sides of the mounting convex strips 4 on the reverse side of the stretching shell 1, the mounting plate 5 can stop after sliding on the reverse side of the stretching shell 1, the pawls 51 can be compressed inwards, and the mounting plate 5 can reciprocate on the reverse side of the stretching shell 1.

In particular, an axial guide structure 6 is provided between the reverse side of the tension housing 1 and the mounting plate 5.

Further, the axial guiding structure 6 comprises a guiding groove 61 axially arranged on one side of the mounting plate 5 close to the stretching shell 1, a T-shaped guiding rail 62 axially arranged on the opposite side of the stretching shell 1 corresponding to the guiding groove 61, and the guiding groove 61 and the T-shaped guiding rail 62 are slidably connected. The mounting plate 5 is slid against the opposite side of the tension housing 1 by means of axial guides 6.

Secondly, the rotation driving mechanism 3 includes a rotation driving component 31 disposed in the inner cavity of the stretching shell 1 and connected to the reel body 2, and the rotation driving component 31 is connected to a power supply component 32 disposed in the inner cavity of the stretching shell 1 and a circuit board 33 having a control circuit, respectively, and the front of the stretching shell 1 is provided with a control component 34 connected to the circuit board 33. The power supply unit 32 may be a dry battery or a storage battery.

Wherein, the rotation driving component 31 comprises a gear box body 35 arranged at one end of the stretching shell 1, the reel body 2 is rotatably arranged at the outer side of the gear box body 35, a transmission gear component 8 connected with the reel body 2 is arranged in the gear box body 35, and a driving motor 7 connected with the transmission gear component 8 is arranged in the inner cavity of the stretching shell 1. The driving motor 7 provides power to enable the transmission gear assembly 8 to rotate, so that the winding wheel body 2 is driven to rotate, the pull beads or the pull ropes rotate, and the curtain is placed downwards and retracted.

Preferably, the transmission gear assembly 8 includes an output gear 81 provided on an output shaft of the driving motor 7, the output gear 81 is connected to a first-stage helical gear 82, the first-stage helical gear 82 is coaxially fixed to a first-stage spur gear 83, the first-stage spur gear 83 is connected to a second-stage spur gear 84, a second-stage spur gear 85 is coaxially fixed to an upper end of the second-stage spur gear 84, the second-stage spur gear 85 is engaged with a third-stage spur gear 86 provided on a rotation shaft 87, and the winding wheel body 2 is provided at one end of the rotation shaft 87. The transmission gear assembly 8 is provided with a plurality of gears, so that multi-stage transmission is met, the structure is compact, the efficiency is high, the gears are not easy to wear, and the service life is long.

Further, the stretching shell 1 comprises an upper shell 12 with an opening on one side, the power supply assembly 32, the driving motor 7 and the circuit board 33 are respectively arranged in the upper shell 12, the opening of the upper shell 12 is clamped with a rear cover 13 capable of closing the opening, and the installation convex strips 4 are formed on two sides of the rear cover 13.

Obviously, the control assembly 34 comprises a plurality of control keys 36 disposed on the outside of the upper casing 12, and the circuit board 33 is disposed on the inside of the upper casing 12 corresponding to the control keys 36. The control button 36 can control the up-and-down movement of the mounting plate 5, the mounting plate 5 is positioned on the inner side of the stretching shell 1 and is actually connected with the driving motor 7, and the driving motor 7 can be driven to move when the mounting plate 5 moves, so that the relative position of the motor and a pull bead or a pull rope is adjusted, and the tensioning force is adjusted.

As can be seen, the gear housing 35 is disposed at one end of the rear cover 13, and an output wheel cover 37 covering the reel body 2 is disposed at one side of the gear housing 35, and an output port 11 located at one end of the tensile housing 1 and connected to the reel body 2 is disposed between the output wheel cover 37 and the gear housing 35. The pull bead or cord is rotated back and forth in the outlet 11.

Preferably, the mounting plate 5 is provided with a plurality of mounting holes and/or mounting grooves. The convex ribs on the outer frame of the driving motor 7 can be connected through the mounting holes or the mounting grooves, so that the mounting plate 5 can drive the driving motor 7 to move when sliding.

The principle of the embodiment is as follows: the curtain upward-pulling bead or the stay cord is wound on the reel body 2, the reverse side of the stretching shell 1 is fixed on the wall body, the pawl 51 on the two sides of the mounting plate 5 is meshed with the ratchet on the reverse side of the stretching shell 1, the control button 36 can control the sliding of the mounting plate 5, the mounting plate 5 is positioned on the inner side of the stretching shell 1 and is connected with the driving motor 7, the driving motor 7 can be also driven to reciprocate when the mounting plate 5 moves, meanwhile, the driving motor 7 provides power, the transmission gear assembly 8 rotates, thereby the reel body 2 is driven to rotate, the pull bead or the stay cord is rotated, and the curtain is placed or retracted.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms of the stretching housing 1, the output port 11, the upper housing 12, the rear cover 13, the reel body 2, the rotation driving mechanism 3, the rotation driving assembly 31, the power supply assembly 32, the circuit board 33, the control assembly 34, the gear housing 35, the control keys 36, the output wheel cover 37, the mounting protrusion 4, the ratchet rack 41, the mounting plate 5, the pawls 51, the axial guide structure 6, the guide grooves 61, the T-shaped guide rail 62, the driving motor 7, the transmission gear assembly 8, the output gear 81, the first-stage helical gear 82, the first-stage spur gear 83, the second-stage spur gear 84, the second-stage spur gear 85, the third-stage spur gear 86, and the rotation shaft 87 are used more often, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims (10)

1. A rack type adjustable installation structure of a curtain stretching device, which comprises a stretching shell (1) with an inner cavity, one end of the stretching shell (1) is rotatably provided with a reel body (2) communicated with the output port (11), and the reel body (2) is connected with a rotary driving mechanism (3) which can drive the reel body (2) to rotate circumferentially, it is characterized in that the two sides of the reverse side of the stretching shell (1) are respectively provided with mounting convex strips (4) which are arranged in parallel, mounting plates (5) are arranged between the mounting convex strips (4) in an axial sliding manner, one side of the installation convex strip (4) close to the installation plate (5) is respectively provided with a ratchet bar (41), and the two sides of the mounting plate (5) are respectively provided with a pawl (51) matched with the ratchet bar (41), and the pawl (51) and the ratchet bar (41) are meshed and positioned with each other.

2. The rack-type adjustable mounting structure of a curtain drawing device as claimed in claim 1, wherein an axial guide structure (6) is provided between the reverse side of the drawing housing (1) and the mounting plate (5).

3. The rack-type adjustable mounting structure of a curtain drawing device as claimed in claim 2, wherein the axial guide structure (6) comprises a guide groove (61) axially formed on one side of the mounting plate (5) close to the drawing housing (1), a T-shaped guide rail (62) axially formed on the opposite side of the drawing housing (1) and corresponding to the guide groove (61), and the guide groove (61) and the T-shaped guide rail (62) are slidably connected.

4. The rack-type adjustable mounting structure of the curtain stretching device according to claim 1, 2 or 3, wherein the rotary driving mechanism (3) comprises a rotary driving component (31) which is arranged in the inner cavity of the stretching shell (1) and connected with the winding wheel body (2), the rotary driving component (31) is respectively connected with a power supply component (32) which is arranged in the inner cavity of the stretching shell (1) and a circuit board (33) with a control circuit, the front surface of the stretching shell (1) is provided with a control component (34) which is connected with the circuit board (33), and the power supply component (32) is a dry battery or a storage battery.

5. The rack-type adjustable mounting structure of a curtain drawing device as claimed in claim 4, wherein the rotary driving assembly (31) comprises a gear housing (35) disposed at one end of the drawing housing (1), the reel body (2) is rotatably disposed outside the gear housing (35), a transmission gear assembly (8) connected to the reel body (2) is disposed in the gear housing (35), and a driving motor (7) connected to the transmission gear assembly (8) is disposed in an inner cavity of the drawing housing (1).

6. The rack-type adjustable mounting structure of a curtain stretching device as claimed in claim 5, wherein the transmission gear assembly (8) includes an output gear (81) disposed on the output shaft of the driving motor (7), the output gear (81) is connected to a first-stage helical gear (82), the first-stage helical gear (82) is coaxially fixed to a first-stage spur gear (83), the first-stage spur gear (83) is connected to a second-stage spur gear (84), a second-stage spur gear (85) is coaxially fixed to the upper end of the second-stage spur gear (84), the second-stage spur gear (85) is engaged to a third-stage spur gear (86) disposed on the rotating shaft (87), and the winding wheel body (2) is disposed at one end of the rotating shaft (87).

7. The rack-type adjustable mounting structure of a curtain stretching device as claimed in claim 5, wherein the stretching housing (1) comprises an upper housing (12) with an opening on one side, the power supply assembly (32), the driving motor (7) and the circuit board (33) are respectively arranged in the upper housing (12), the opening of the upper housing (12) is clamped with a rear cover body (13) capable of closing the opening, and the mounting convex strips (4) are formed on two sides of the rear cover body (13).

8. The rack-type adjustable mounting structure of a curtain stretching device as claimed in claim 7, wherein the control assembly (34) comprises a plurality of control buttons (36) disposed on the outer side of the upper housing (12), and the circuit board (33) is disposed on the inner side of the upper housing (12) corresponding to the control buttons (36).

9. The rack type adjustable mounting structure of the curtain drawing device according to claim 7, wherein the gear housing (35) is disposed at one end of the rear cover (13), an output wheel cover plate (37) covering the reel body (2) is disposed at one side of the gear housing (35), and the output port (11) located at one end of the drawing housing (1) and connected to the reel body (2) is disposed between the output wheel cover plate (37) and the gear housing (35).

10. The rack-type adjustable mounting structure of a curtain stretching device as claimed in claim 1, wherein the mounting plate (5) is provided with a plurality of mounting holes and/or mounting grooves.

Images