Square electric window opener mechanism

Abstract

The utility model relates to the technical field of window openers, in particular to a square electric window opener mechanism. The device comprises an outer pipe and an inner pipe, a driving motor is installed in one end of the outer pipe, the output end of the driving motor is in transmission connection with a lead screw, the lead screw is in threaded transmission connection with a sliding block, the sliding block is fixedly connected with the inner pipe, and a rear end fixing base and a front end fixing base are detachably installed at the two ends of the outer pipe respectively. An output shaft of the driving motor is fixedly connected with one end of the lead screw in the circumferential direction, the connecting end of the lead screw is sleeved with a bearing and a bearing seat, the bearing seat comprises a first bearing seat and a second bearing seat, and the driving motor is sleeved with a motor sleeve in transition fit with the driving motor. One end of the motor sleeve is in transition fit with the rear-end fixing seat, and the other end is in transition fit with the first bearing seat; after the prior art is improved, the driving motor is more stable and silent when working, and the service life is prolonged; the driving motor and the outer pipe do not need to be matched with each other in size, and the flexibility of matching of the driving motor and appearance size design is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of window openers, in particular to a square electric window opener mechanism. Background Art

[0002] In the past, window openers were mostly manual or simple mechanical transmission, which had problems such as inconvenient operation, low efficiency, and poor control accuracy. Manual window openers require manual operation, which is not only time-consuming and laborious, but also particularly inconvenient in high-rise buildings or large public buildings. Although traditional mechanical transmission window openers have achieved partial automation, they often have disadvantages such as low transmission efficiency, high noise, and easy wear, which makes it difficult to meet the needs of modern buildings for high efficiency, quietness, and durability.

[0003] In order to overcome the limitations of traditional window openers, electric push rod technology has gradually been introduced into the field of window openers. The electric push rod is driven by a motor to convert electrical energy into mechanical energy to achieve automatic opening and closing of doors and windows. The introduction of this technology has greatly improved the automation and control accuracy of the window opener, while also reducing the difficulty of operation and noise level.

[0004] For example, a Chinese patent document with authorization number CN216625494U discloses a novel electric push rod for a window opener, a conduit, a drive motor is arranged inside the conduit, a core transmission assembly is arranged at the end of the drive motor, a rear end fixing seat is arranged at one end of the conduit, the rear end fixing seat is fixed to one end of the conduit by a first fixing screw, and a front end sealing cover is arranged at the other end of the conduit, the front end sealing cover is fixed to the other end of the conduit by a second fixing screw, the core transmission assembly includes a screw rod, one end of the screw rod is sleeved with a bearing, the bearing is limited at one end of the screw rod by a locking nut, and one end of the screw rod is connected to the power output end of the drive motor through a coupling transmission, and limit assemblies are arranged on both sides of the bearing; the above-mentioned electric push rod has high requirements on the adaptability of the drive motor to the size of the square conduit, otherwise there is a gap that is likely to cause circumferential instability when the motor is working, which affects the service life of the motor and is prone to noise.

[0005] Therefore, it is necessary to improve the above shortcomings of the prior art. Summary of the invention

[0006] The technical problem to be solved by the utility model is to provide a square electric window opener mechanism in view of the deficiencies of the above-mentioned prior art, so as to solve the problem that the prior art has high requirements on the adaptability of the driving motor and the size of the square tube, otherwise there is a gap that easily leads to circumferential instability of the motor when working, thus affecting the service life of the motor and easily generating noise.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a square electric window opener mechanism, comprising an outer tube and an inner tube movably connected to the outer tube, a driving motor is installed inside one end of the outer tube, the output end of the driving motor is transmission-connected to a screw rod, the screw rod is threadedly transmission-connected to a slider, the slider is fixedly connected to the inner tube away from one end of the driving motor, and the two ends of the outer tube are respectively detachably mounted with a rear end fixing seat connected to the driving motor and a front end fixing seat slidingly connected to the inner tube, the output shaft of the driving motor is circumferentially fixedly connected to one end of the screw rod, and a bearing and a bearing seat are outer sleeved on the connecting end of the screw rod, the bearing seat comprises a first bearing seat and a second bearing seat detachably connected to the first bearing seat, the outer sleeve of the driving motor is provided with a motor sleeve transitionally fitted with the driving motor, one end of the motor sleeve is transitionally fitted with the rear end fixing seat, and the other end is transitionally fitted with the first bearing seat.

[0008] By adopting the above technical solution, the motor sleeve can be limited in the circumferential direction by the transition fitting sleeve of the motor sleeve on the outside of the drive motor. At the same time, the rear end fixing seat and the first bearing seat respectively limit the axial and circumferential positions of both ends of the motor sleeve and the axial position of the drive motor, thereby making the drive motor more stable and quiet during operation and extending its service life. In addition, the drive motor and the outer tube size do not need to be matched to each other, and the selection of the drive motor and the design of the outer tube size are more flexible.

[0009] The above technical solution is further configured as follows: the rear end fixing seat is provided with a first sleeve connection portion near one end of the motor sleeve, and the first bearing seat is provided with a second sleeve connection portion near one end of the motor sleeve, the first sleeve connection portion and the second sleeve connection portion can be transitionally fitted and inserted into the motor sleeve, and the first sleeve connection portion and the second sleeve connection portion can respectively abut against the corresponding end of the drive motor.

[0010] By adopting the above technical solution, the motor sleeve can be limited by sleeve-connecting the motor sleeve to the first sleeve connection part of the rear end fixed seat and the second sleeve connection part of the first bearing seat. At the same time, the first sleeve connection part and the second sleeve connection part can respectively abut against the corresponding end of the drive motor to limit the axial position of the drive motor. The motor sleeve can limit the circumferential position of the drive motor, thereby ensuring that the drive motor can run stably during operation; the size of the motor sleeve can be adapted according to the selected drive motor size, which is more flexible.

[0011] The above technical solution is further configured as follows: a travel switch strip is provided inside the outer tube, a mounting hole is provided on the side of the travel switch strip, a travel switch is installed at the mounting hole, a trigger body for triggering the travel switch is provided on the slider, an axial sliding groove that can be slidably connected to the travel switch strip is provided on the inner wall of the outer tube, one end of the travel switch strip can abut against the inner side surface of the rear end fixing seat, and the other end can abut against the inner side surface of the front end fixing seat.

[0012] By adopting the above technical solution, when it is necessary to install the travel switch strip, the rear end fixing seat or the front end fixing seat can be installed first, and the travel switch strip with the travel switch installed can be inserted into the axial slide groove from the other end of the outer tube and slid in, and then the uninstalled front end fixing seat or the rear end fixing seat can be installed. Similarly, when it is necessary to remove the travel switch strip, the reverse operation can be performed; the axial slide groove can be used to limit the travel switch strip circumferentially so that it can only move axially. In addition, the front end fixing seat and the rear end fixing seat can be used to limit the travel switch strip axially, thereby realizing the detachable fixed installation of the travel switch strip.

[0013] The above technical solution is further configured as follows: the travel switch strip is configured as two sections, including a mounting strip for mounting the travel switch and an auxiliary strip for auxiliary filling.

[0014] By adopting the above technical solution, the travel switch bar is split into two parts, namely, the installation bar and the auxiliary bar, which can be inserted into the axial slide groove in two steps, and the installation is relatively easy.

[0015] The above technical solution is further configured as follows: a limit plate extending inward is provided on the inner wall of the outer tube, a first limit groove is provided on the limit plate, a second limit groove is provided on the inner wall of the outer tube, the axial slide groove is formed by the first limit groove and the second limit groove being arranged relative to each other, and the narrow sides of the travel switch strip can be respectively inserted into the first limit groove and the second limit groove.

[0016] By adopting the above technical solution, the narrow sides of the travel switch strip can be respectively inserted into the first limiting groove and the second limiting groove, so that the travel switch strip can only slide along the axial direction of the outer tube.

[0017] The above technical solution is further configured as follows: two travel switches are provided, one is a first travel switch for detecting a minimum travel, and the other is a second travel switch for detecting a maximum travel.

[0018] By adopting the above technical solution, by setting the first travel switch and the second travel switch to cooperate with the trigger body on the slider, it is possible to detect the minimum and maximum travel of the slider respectively, thereby achieving more accurate travel control.

[0019] The above technical solution is further configured as follows: the inner annular surface of the slider is provided with an internal thread that matches the external thread of the screw rod, and one end of the slider close to the inner tube is connected to the inner tube thread.

[0020] By adopting the above technical solution, when the driving motor drives the screw to rotate, spiral transmission occurs, causing the slider to drive the inner tube to move axially to realize the telescopic movement of the electric push rod; the slider and the inner tube are threadedly connected to achieve detachability, which is convenient for disassembly and maintenance.

[0021] The above technical solution is further configured as follows: a connecting portion is provided at one end of the screw rod close to the driving motor, the diameter of the connecting portion is smaller than the main part of the screw rod, the bearing and the bearing seat are installed on the periphery of the connecting portion, a limiting sleeve is provided on one side of the bearing close to the screw rod, and a locking nut is provided on the other side, the limiting sleeve is clearance-matched with the second bearing seat and one end thereof abuts against the side surface of the bearing and the other end abuts against the side surface of the screw rod, an end portion of the connecting portion is provided with an external thread, and the locking nut can be threadedly connected to the end portion of the connecting portion.

[0022] By adopting the above technical solution, the output shaft of the driving motor and the connecting part of the screw rod are more stable during transmission through the bearing seat and the bearing; the screw rod, the bearing and the bearing seat are tightly connected together without separation through the threaded connection between the locking nut and the end of the connecting part.

[0023] The above technical solution is further configured as follows: a plurality of limiting convex strips are circumferentially provided on the inner wall of the outer tube, and limiting grooves matching the limiting convex strips are provided on the circumferential side surfaces of the sliding block, the first bearing seat and the second bearing seat.

[0024] By adopting the above technical solution, the limiting convex strip on the inner wall of the outer tube cooperates with the limiting grooves of the slider, the first bearing seat and the second bearing seat, so that the slider, the first bearing seat and the second bearing seat can be circumferentially limited so that they will not rotate with the screw.

[0025] The above technical solution is further configured as follows: the rear end fixing seat is externally connected to a power line electrically connected to the drive motor, a front end screw plug is installed at one end of the inner tube close to the front end fixing seat, the outer tube sleeve is provided with a clamp, and a fastening mounting hole is provided on the clamp.

[0026] By adopting the above technical solution, the electric push rod is connected to an external power supply through a power cord to provide power for electronic devices such as a drive motor and a travel switch; when installing the electric push rod, it can be installed and fixed through the mounting hole of the front end screw plug and the rear end fixing seat, or the clamp can be inserted into the conduit, the clamp can be moved to a suitable position, and the clamp fixing screw can be tightened to achieve the installation and fixation of the front end screw plug and the mounting hole of the clamp, so that it can adapt to more usage scenarios.

[0027] The beneficial effects achieved by the utility model are: the drive motor is more stable and silent when working, and the service life is prolonged; the drive motor and the outer tube size do not need to be adapted to each other, and the selection of the drive motor and the design of the appearance size are more flexible. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a structural schematic diagram of an embodiment of the utility model;

[0029] Figure 2 It is a schematic diagram of the explosion structure of an embodiment of the utility model;

[0030] Figure 3 It is a cross-sectional schematic diagram of an embodiment of the utility model;

[0031] Figure 4 It is a structural schematic diagram of the outer tube in the embodiment of the utility model;

[0032] Figure 5 It is a structural schematic diagram of a slider in an embodiment of the utility model;

[0033] Figure 6 It is a structural schematic diagram of a travel switch bar and a travel switch in an embodiment of the utility model. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] like Figure 1-3 As shown in the figure, a square electric window opener mechanism comprises an outer tube 1, an inner tube 2 movably connected to the outer tube 1, a driving motor 3 is installed inside one end of the outer tube 1, the output end of the driving motor 3 is transmission-connected to a screw rod 4, the screw rod 4 is threadedly transmission-connected to a slider 5, the slider 5 is fixedly connected to the inner tube 2 at one end away from the driving motor 3, and the two ends of the outer tube 1 are detachably mounted with a rear end fixing seat 11 connected to the driving motor 3 and a front end fixing seat 12 slidably connected to the inner tube 2, the output shaft of the driving motor 3 is circumferentially fixedly connected to one end of the screw rod 4, and a bearing 42 and a bearing seat 43 are provided on the outer sleeve of the connecting end of the screw rod 4, and the bearing seat 43 comprises a first bearing seat 431 and a first shaft The support seat 431 is detachably connected to the second bearing seat 432, and the outer sleeve of the drive motor 3 is provided with a motor sleeve 31 that is transitionally matched with the drive motor 3. One end of the motor sleeve 31 is transitionally matched with the rear end fixing seat 11, and the other end is transitionally matched with the first bearing seat 431; the rear end fixing seat 11 is provided with a first sleeve connection portion 111 at one end close to the motor sleeve 31, and the first bearing seat 431 is provided with a second sleeve connection portion 4311 at one end close to the motor sleeve 31. The first sleeve connection portion 111 and the second sleeve connection portion 4311 can be transitionally matched and inserted into the motor sleeve 31, and the first sleeve connection portion 111 and the second sleeve connection portion 4311 can respectively abut against the corresponding end of the drive motor 3.

[0036] like Figure 2 , 3As shown in the figure, a travel switch strip 6 is provided in the outer tube, a mounting hole 60 is opened on the side of the travel switch strip 6, a travel switch 7 is installed at the mounting hole 60 by welding, and a trigger body 51 for triggering the travel switch 7 is provided on the slider 5; an axial sliding groove that can be slidably connected to the travel switch strip 6 is provided on the inner wall of the outer tube 1, one end of the travel switch strip 6 can abut against the inner side surface of the rear end fixing seat 11, and the other end can abut against the inner side surface of the front end fixing seat 12. A limit plate 13 extending inward is provided on the inner wall of the outer tube 1, a first limit groove 14 is provided on the limit plate 13, a second limit groove 15 is provided on the inner wall of the outer tube 1, the axial slide groove is formed by the first limit groove 14 and the second limit groove 15 being arranged oppositely, and the narrow sides of the travel switch strip 6 can be respectively inserted into the first limit groove 14 and the second limit groove 15; the travel switch 7 is provided with two, one is a first travel switch 71 for detecting the minimum travel, and the other is a second travel switch 72 for detecting the maximum travel, the inner ring surface of the slider 5 is provided with an internal thread matching the external thread of the screw rod 4, and the slider 5 One end close to the inner tube 2 is threadedly connected to the inner tube 2, and the end of the screw rod 4 close to the driving motor 3 is provided with a connecting part 41, the diameter of the connecting part 41 is smaller than the main part of the screw rod 4, the bearing 42 and the bearing seat 43 are installed on the periphery of the connecting part 41, and a limiting sleeve 44 is provided on the side of the bearing 42 close to the screw rod 4 and a locking nut 45 is provided on the other side. The limiting sleeve 44 is clearance-fitted with the second bearing seat 432 and one end thereof abuts against the side of the bearing 42 and the other end abuts against the side of the screw rod 4. The end of the connecting part 41 is provided with an external thread, and the locking nut 45 can be threadedly connected to the end of the connecting part 41.

[0037] like Figure 6 As shown, the travel switch strip 6 is configured to be in two sections, including a mounting strip 61 for mounting the travel switch 7 and an auxiliary strip 62 for auxiliary filling, which can be inserted into the axial slide groove in two steps, and the installation is relatively easy.

[0038] like Figure 2 , 4 As shown in , 5 , a plurality of limiting ridges 16 are circumferentially provided on the inner wall of the outer tube 1 , and limiting grooves 17 matching the limiting ridges 16 are provided on the circumferential side surfaces of the slider 5 , the first bearing seat 431 and the second bearing seat 432 .

[0039] like Figure 1 As shown in the figure, the rear end fixing seat 11 is externally connected to a power line 111 electrically connected to the drive motor 3, and the inner tube 2 is installed with a front end screw plug 8 at one end close to the front end fixing seat 12. The outer tube 1 is sleeved with a clamp 9, and the clamp 9 is provided with a fastening installation hole 90.

[0040] like Figure 2 , 3 As shown in , the driving motor 3 can adopt a reduction motor with better stability and performance, including a reduction gear 32 and a motor 33.

[0041] In the above embodiment, the motor sleeve 31 can be limited circumferentially by the transition fitting sleeve of the motor sleeve 31 on the outside of the drive motor 3. At the same time, the first sleeve connection portion 111 of the rear end fixing seat 11 and the second sleeve connection portion 4311 of the first bearing seat 431 respectively limit the two ends of the motor sleeve 31 axially and circumferentially at the same time and abut against the drive motor 3 to limit its axial position, thereby making the drive motor 3 more stable and quiet during operation and extending its service life. In addition, the sizes of the drive motor 3 and the outer tube 1 do not need to be adapted to each other, and the selection of the drive motor 3 and the size design of the outer tube 1 are more flexible.

Claims

1. A square electric window opener mechanism, comprising an outer tube and an inner tube movably connected to the outer tube, a driving motor is installed inside one end of the outer tube, the output end of the driving motor is transmission-connected to a screw rod, the screw rod is threadedly transmission-connected to a slider, the slider is fixedly connected to the inner tube away from one end of the driving motor, the two ends of the outer tube are detachably mounted with a rear end fixing seat connected to the driving motor and a front end fixing seat slidably connected to the inner tube, the output shaft of the driving motor is circumferentially fixedly connected to one end of the screw rod, and a bearing and a bearing seat are provided on the outer sleeve of the connecting end of the screw rod, the bearing seat comprises a first bearing seat and a second bearing seat detachably connected to the first bearing seat, characterized in that: The outer casing of the driving motor is provided with a motor sleeve which is transitionally matched with the driving motor. One end of the motor sleeve is transitionally matched with the rear end fixing seat, and the other end is transitionally matched with the first bearing seat.

2. A square electric window opener mechanism according to claim 1, characterized in that: The rear end fixing seat is provided with a first sleeve connection portion near one end of the motor sleeve, and the first bearing seat is provided with a second sleeve connection portion near one end of the motor sleeve. The first sleeve connection portion and the second sleeve connection portion can be transitionally fitted and inserted into the motor sleeve, and the first sleeve connection portion and the second sleeve connection portion can respectively abut against the corresponding end of the drive motor.

3. A square electric window opener mechanism according to claim 2, characterized in that: A travel switch strip is provided in the outer tube, a mounting hole is opened on the side of the travel switch strip, a travel switch is installed at the mounting hole, a trigger body for triggering the travel switch is provided on the slider, an axial sliding groove that can be slidably connected to the travel switch strip is provided on the inner wall of the outer tube, one end of the travel switch strip can abut against the inner side surface of the rear end fixing seat, and the other end can abut against the inner side surface of the front end fixing seat.

4. A square electric window opener mechanism according to claim 3, characterized in that: The travel switch strip is configured to be in two sections, including a mounting strip for mounting the travel switch and an auxiliary strip for auxiliary filling.

5. A square electric window opener mechanism according to claim 4, characterized in that: A limit plate extending inward is provided on the inner wall of the outer tube, a first limit groove is provided on the limit plate, a second limit groove is provided on the inner wall of the outer tube, the axial slide groove is formed by the first limit groove and the second limit groove being arranged relative to each other, and the narrow sides of the travel switch strip on both sides can be respectively inserted into the first limit groove and the second limit groove.

6. A square electric window opener mechanism according to claim 5, characterized in that: The travel switches are provided in two numbers, one is a first travel switch for detecting a minimum travel, and the other is a second travel switch for detecting a maximum travel.

7. A square electric window opener mechanism according to claim 6, characterized in that: The inner annular surface of the slider is provided with an internal thread matched with the external thread of the screw rod, and one end of the slider close to the inner tube is connected with the inner tube thread.

8. A square electric window opener mechanism according to claim 7, characterized in that: The screw rod is provided with a connecting part at one end close to the driving motor, and the diameter of the connecting part is smaller than the main part of the screw rod. The bearing and the bearing seat are installed on the periphery of the connecting part. The bearing is provided with a limiting sleeve on one side close to the screw rod and a locking nut on the other side. The limiting sleeve is clearance-matched with the second bearing seat and one end thereof abuts against the side surface of the bearing and the other end abuts against the side surface of the screw rod. The end of the connecting part is provided with an external thread, and the locking nut can be threadedly connected to the end of the connecting part.

9. A square electric window opener mechanism according to claim 8, characterized in that: The inner wall of the outer tube is circumferentially provided with a plurality of limiting convex strips, and the circumferential side surfaces of the sliding block, the first bearing seat and the second bearing seat are provided with limiting grooves matching the limiting convex strips.

10. A square electric window opener mechanism according to any one of claims 1 to 9, characterized in that: The rear end fixing seat is externally connected with a power line electrically connected to the driving motor, the inner tube is installed with a front end screw plug at one end close to the front end fixing seat, the outer tube sleeve is provided with a clamp, and the clamp is provided with a fastening installation hole.

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