Screw window opener with limit switch

Abstract

The utility model relates to the technical field of smart home, and provides a screw window opener with a limit switch, which comprises an outer sleeve rod, an inner sleeve rod is slidably connected in the outer sleeve rod, and push heads are arranged on the outer sleeve rod and the inner sleeve rod and used for connecting a window body and a frame; the driving assembly is arranged between the outer sleeve rod and the inner sleeve rod and used for driving the inner sleeve rod to move so as to control the window body to be opened and closed; by introducing a limiting assembly, when an inner sleeve rod reaches a preset maximum stretching or retracting position, a limiting switch can immediately respond and cut off a power supply, so that a motor and an internal structure are prevented from being damaged due to continuously increased thrust, and safer and more stable operation experience is provided; and the integrity of the window opener is higher by utilizing an integrated structure and adopting a sealing ring and the like, so that the service life of the window opener is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to intelligent house technical field, concretely is screw rod window opener of limit switch. BACKGROUND

[0002] In modern architecture, the automation control of window has become one of the key factors to improve the living comfort and security. With the popularity of smart home system, the electric window opener as an important component to realize the automatic opening and closing of the window has been widely used.

[0003] But the traditional electric window opener usually has the following two defects, one is: the traditional electric window opener control is complex, the maximum current of the blocking rotation is set through the circuit board to control the start and stop, the thrust increases until the blocking current is reached in the process of stopping, which is easy to damage the motor, internal structure and window, the second is: the traditional electric window opener is large in size, the pipe body and the internal structure are connected through screws, which is not beautiful and has the defect of low connection reliability. SUMMARY

[0004] The utility model aims at solving the shortcomings in the background art, provides screw rod window opener of limit switch, can provide the effect of automatic limiting, does not adopt the blocking current to carry out the limiting, provides more safe and stable window opening effect, and provides more excellent sealing performance to prolong the service life.

[0005] To achieve the above object, the utility model provides the following technical scheme, a kind of screw rod window opener of limit switch, comprising: outer sleeve rod, the inner sleeve rod is slidably connected in the outer sleeve rod, and the outer sleeve rod and the inner sleeve rod are equipped with push head on, for connecting window body and frame;Drive assembly, the drive assembly is located between the outer sleeve rod and the inner sleeve rod, for driving the inner sleeve rod moves to control window body to open and close;And limiting component, the limiting component is located in the outer sleeve rod, for limiting the farthest reach distance of the inner sleeve rod and the shortest recovery length, to complete automatic limiting.

[0006] Further, the drive assembly includes: motor base on the inner wall of the outer sleeve rod away from the inner sleeve rod side, the motor base side is equipped with speed reducer motor;The rubber nut is located at the inner sleeve rod and is located at the inner sleeve rod inside one end of the outer sleeve rod, and the rubber nut and the outer sleeve rod are slidably connected;Drive screw rod connected to the speed reducer motor side, the drive screw rod and the rubber nut are threadedly engaged.

[0007] Further, the limiting assembly comprises a limiting switch seat arranged on one side of the speed reducer motor, a recovery limiting switch is arranged on one side of the limiting switch seat close to the speed reducer motor, and a protruding limiting switch is arranged on one side of the limiting switch seat away from the speed reducer motor; a switch guide column is slidably connected to the inner wall of the outer sleeve rod, and a side rod is arranged on one side of each end of the switch guide column; when the rubberized nut slides to the end of the outer sleeve rod, the switch guide column is clamped with the rubberized nut and the protruding limiting switch through the measuring rod respectively.

[0008] Further, one side of the speed reducer motor is connected with a mounting flange through a driving shaft, one end of the driving screw rod is provided with a connecting sleeve, a plurality of positioning pins are arranged on the surface of the connecting sleeve, and the connecting sleeve is clamped and connected with the mounting flange through the plurality of positioning pins.

[0009] Further, the end of the outer sleeve rod is provided with a rebound block seat, a rebound block is slidably connected to one side of the rebound block seat, and a compression spring is arranged between the rebound block and the rebound block seat.

[0010] Further, the push head is in a semicircular structure, and a rotating opening is arranged in the push head.

[0011] Further, the outer sleeve rod and the inner sleeve rod are made of stainless steel material, and a sealing ring is arranged at the opening of the outer sleeve rod.

[0012] The utility model discloses the advantages that through introducing limiting assembly, when the inner sleeve rod reaches the preset maximum extension or recovery position, the limiting switch will immediately respond and cut off the power supply, prevent the motor and internal structure from being damaged due to the continuously increasing thrust, provide more safe and stable operation experience, further, utilize the integrity of the whole structure and adopt the sealing ring to prevent the opening window device to be more integrated, and further prolong the service life. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the whole structure schematic diagram of the utility model.

[0014] Figure 2 It is the whole structure sectional view of the utility model.

[0015] Figure 3 It is the inner sleeve rod structure schematic diagram of the utility model.

[0016] Figure 4 It is the speed reducer motor schematic diagram of the utility model.

[0017] Figure 5 It is the rebound block seat structure schematic diagram of the utility model.

[0018] Figure 6The utility model discloses a limit switch seat structure schematic diagram.

[0019] Figure 7 The utility model discloses a switch guide post structure schematic diagram.

[0020] Figure 8 The utility model discloses a limit switch seat structure schematic diagram. Figure 2 The utility model discloses a limit switch seat structure schematic diagram.

[0021] Figure 9 The utility model discloses a limit switch seat structure schematic diagram. Figure 2 The utility model discloses a limit switch seat structure schematic diagram.

[0022] Figures 1-9 In: 1 - outer sleeve rod;101 - motor base;102 - speed reducer motor;103 - mounting flange;104 - drive screw;105 - connecting sleeve;106 - positioning pin;107 - limit switch seat;108 - probe limit switch;109 - recovery limit switch;110 - sealing ring;111 - switch guide post;2 - rebound block seat;201 - rebound block;202 - compression spring;3 - inner sleeve rod;301 - rubberized nut;4 - push head;401 - rotating port. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0024] The following disclosure provides many different embodiments, or examples, for implementing different structures of the present application. For the purpose of simplifying the present application, the components and settings of specific examples are described in the following. Of course, they are only examples, and the purpose is not to limit the present application. In addition, the present application can repeatedly refer to the numbers and / or letters in different examples, and such repetition is for the purpose of simplification and clarity, which itself does not indicate the relationship between the various embodiments and / or settings discussed. In addition, the present application provides various specific examples of processes and materials, but those skilled in the art can realize the application of other processes and / or the use of other materials.

[0025] The embodiment of the present application provides a screw window opener with a limit switch, which can realize the introduction of a limit component, the limit switch responds immediately and cuts off the power supply when the inner sleeve rod reaches the preset maximum extension or retraction position, prevents the motor and internal structure from being damaged due to the continuously increasing thrust, provides a safer and more stable operation experience, further, the integrated structure and the sealing ring are used to prevent the window opener to be more integrated, and the service life is further prolonged. The screw window opener with a limit switch is described in detail below. It should be noted that the description order of the following embodiments is not limited as the preferred order of the embodiments.

[0026] The present application is described in detail below in combination with the drawings and specific embodiments. Please refer to Figures 1-9 In the embodiment, the screw window opener with a limit switch comprises an outer sleeve rod 1, an inner sleeve rod 3 is slidably connected in the outer sleeve rod 1, and a push head 4 is arranged on the outer sleeve rod 1 and the inner sleeve rod 3, which is used for connecting the window body and the frame; a driving assembly is arranged between the outer sleeve rod 1 and the inner sleeve rod 3, which is used for driving the inner sleeve rod 3 to move to control the opening and closing of the window body; and a limit assembly is arranged in the outer sleeve rod 1, which is used for limiting the farthest extension distance and the shortest retraction length of the inner sleeve rod 3 to complete automatic limiting.

[0027] Further, the driving assembly comprises a motor base 101 arranged on the inner wall of the outer sleeve rod 1 away from the inner sleeve rod 3, a speed reducer motor 102 is mounted on one side of the motor base 101; a rubber-coated nut 301 is arranged at the inner end of the inner sleeve rod 3 in the outer sleeve rod 1, and the rubber-coated nut 301 is slidably connected with the outer sleeve rod 1; a driving screw 104 is connected to one side of the speed reducer motor 102, and the driving screw 104 is threadedly engaged with the rubber-coated nut 301.

[0028] In the use process, when the speed reducer motor 102 receives a window opening signal, it can start and drive the driving screw 104 on one side to rotate, at this time, the driving screw 104 is threadedly engaged with the rubber-coated nut 301, so as to drive the rubber-coated nut 301 and the inner sleeve rod 3 to move linearly along the inner wall of the outer sleeve rod 1, so as to complete the opening and closing action.

[0029] Further, the side of the speed reducer motor 102 is connected with the mounting flange 103 through the driving shaft, and the driving screw 104 is provided with the connecting sleeve 105 at one end, and a plurality of positioning pins 106 are arranged on the surface of the connecting sleeve 105, and the connecting sleeve 105 is connected with the mounting flange 103 through the plurality of positioning pins 106. Before use, the user can make the positioning pins 106 on the connecting sleeve 105 provided at one end of the driving screw 104 snap into the mounting flange, so as to ensure the synchronous rotation of the two, and the power output by the motor can be effectively transmitted to the driving screw 104 through the structure, and the assembly and maintenance are facilitated.

[0030] Further, the limiting assembly comprises a limiting switch seat 107 arranged on one side of the speed reducer motor 102, a recovery limiting switch 109 arranged on one side of the limiting switch seat 107 close to the speed reducer motor 102, and a protruding limiting switch 108 arranged on the other side of the limiting switch seat 107 away from the speed reducer motor 102; and a switch guide column 111 slidingly connected to the inner wall of the outer sleeve rod 1, and side rods arranged on one side of both ends of the switch guide column 111, when the rubber nut 301 slides to the end of the outer sleeve rod 1, the switch guide column 111 is connected with the rubber nut 301 and the protruding limiting switch 108 through the measuring rod.

[0031] In use, when the inner sleeve rod 3 reaches the maximum extension position, the rubber nut 301 drives the switch guide column 111 to contact the other end of the protruding limiting switch 108, so as to stop the operation of the speed reducer motor 102, and vice versa, when the rubber nut 301 is recovered and attached to one side of the speed reducer motor 102, the rubber nut 301 contacts the recovery limiting switch 109 and closes the speed reducer motor 102, so as to control the movement of the rubber nut 301 and the movement of the inner sleeve rod 3, which is more sensitive than the traditional method and can prevent the speed reducer motor 102 from being damaged by overvoltage.

[0032] Further, the outer sleeve rod 1 is provided with a rebound block seat 2 at the end, and the rebound block seat 2 is slidingly connected with a rebound block 201 on one side, and a compression spring 202 is arranged between the rebound block 201 and the rebound block seat 2. During recovery, when the rubber nut 301 moves back, the rebound block 201 will move inward under the push of the compression spring 202 and push the switch guide column 111 to recover inward, so as to prevent the switch guide column 111 from contacting the protruding limiting switch 108, thereby resetting.

[0033] Further, the push head 4 is arranged in a semicircular structure, and a circular rotating port 401 is arranged in the push head 4, so that the push head 4 with the rotating port 401 can rotate within a certain range, adapt to different installation angles, provide more flexible installation options, adapt to different types of windows and installation conditions, and enhance the versatility of the product.

[0034] Further, the outer sleeve rod 1 and the inner sleeve rod 3 are made of stainless steel material, and the opening of the outer sleeve rod 1 is provided with a sealing ring 110, which improves the corrosion resistance and service life by using stainless steel material; the sealing ring 110 prevents dust and moisture from entering, maintains the good state of the internal components, and prolongs the product life.

[0035] In the above embodiments, the description of each embodiment has its own focus, and the parts not described in detail in a certain embodiment can be referred to the relevant description of other embodiments.

[0036] The screw window opener with a limit switch provided by the embodiments of the present application is described in detail above, and the principles and implementation manners of the present application are described by applying specific examples in this paper, and the above embodiment description is only used to help understand the technical solutions and core ideas of the present application; those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced equivalently; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A screw window opener with a limit switch, characterized in that, The utility model provides a window automatic opening and closing device, which comprises an outer sleeve rod (1) and an inner sleeve rod (3) slidably connected inside the outer sleeve rod (1), wherein a push head (4) is arranged on each of the outer sleeve rod (1) and the inner sleeve rod (3) for connecting a window body and a frame; a driving assembly is arranged between the outer sleeve rod (1) and the inner sleeve rod (3) and used for driving the inner sleeve rod (3) to move so as to control the opening and closing of the window body; and a limiting assembly is arranged inside the outer sleeve rod (1) and used for limiting the maximum protruding distance and the minimum retraction length of the inner sleeve rod (3) to achieve automatic limiting. The driving assembly comprises a motor base (101) arranged on an inner wall of the outer sleeve rod (1) away from the inner sleeve rod (3), a reduction motor (102) mounted on one side of the motor base (101), a rubber-coated nut (301) arranged at one end of the inner sleeve rod (3) inside the outer sleeve rod (1), a driving screw (104) connected to one side of the reduction motor (102), and the driving screw (104) is in threaded engagement with the rubber-coated nut (301). The limiting assembly comprises a limiting switch base (107) arranged on one side of the reduction motor (102), a retraction limiting switch (109) arranged on one side of the limiting switch base (107) close to the reduction motor (102), a protruding limiting switch (108) arranged on one side of the limiting switch base (107) away from the reduction motor (102), a switch guide column (111) slidably connected to the inner wall of the outer sleeve rod (1), and the switch guide column (111) is provided with a side rod on one side of both ends of the switch guide column (111), and when the rubber-coated nut (301) slides to the end of the outer sleeve rod (1), the switch guide column (111) is in engagement with the rubber-coated nut (301) and the protruding limiting switch (108) through the measuring rod. The reduction motor (102) is connected with a mounting flange (103) through a driving shaft, one end of the driving screw (104) is provided with a connecting sleeve (105), a plurality of positioning pins (106) are arranged on the surface of the connecting sleeve (105), and the connecting sleeve (105) is in engagement with the mounting flange (103) through the plurality of positioning pins (106).

2. The screw window opener with limit switches according to claim 1, characterized in that, The outer sleeve rod (1) is provided with a rebound block seat (2), one side of the rebound block seat (2) is slidably connected with a rebound block (201), and a compression spring (202) is arranged between the rebound block (201) and the rebound block seat (2). The push head (4) is in a semicircular structure, and a circular rotating opening (401) is arranged in the push head (4). The outer sleeve rod (1) and the inner sleeve rod (3) are made of stainless steel, and a sealing ring (110) is arranged at the opening of the outer sleeve rod (1). ​ 3. The screw widow with limit switch according to claim 2, characterized in that, ​ ​ ​ 4. The screw widow with limit switch according to claim 2, characterized in that, ​ 5. The screw widowor of claim 3, wherein, ​ 6. The screw widow with limit switch according to claim 1, characterized in that, ​ 7. The screw widow with limit switch according to claim 1, characterized in that, ​

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