A door opener that is easy to operate

Abstract

The utility model discloses a door opener with convenient operation, which comprises a shell and a transmission device and a clutch device arranged on the shell, the transmission device comprises a main shaft and a driving gear arranged on the main shaft, the clutch device comprises a key bar slidably arranged on the main shaft and clamped on the driving gear, a spring arranged in the main shaft and with one end abutting against the key bar, a clutch top-detent rod slidably penetrated in the main shaft and a clutch driving member; the clutch driving member is movably and rotatably pivoted on the shell, the spring pushes the key bar clamped on the driving gear and the key bar pushes the clutch top-detent rod to abut against the inner end of the clutch driving member; when the door opener of the utility model is manually opened, the clutch driving member is rotated inwardly with the help of an external tool, the clutch driving member pushes the clutch top-detent rod to move toward the key bar and compresses the spring, pushes the key bar to disengage from the driving gear, so that the driving gear and the main shaft are disengaged; the clutch device has a simple structure and is convenient to operate.

Description

Technical Field

[0001] The utility model relates to the technical field of automatic doors, in particular to a door opener which is convenient to operate. Background Art

[0002] With the improvement of living standards and the fast pace of life, the existing automatic door opening and closing has become a common phenomenon, and what is important is safety, simplicity and energy saving; the door opener is a set of mechanical and electronic devices that control the automatic opening and closing of the door body, which is mainly composed of a drive motor, a transmission spindle and a clutch; wherein the clutch is provided to ensure that the automatic door can be opened or closed normally when a power outage or other electrical fault occurs, the housing of the clutch is connected to the door body, and the clutch realizes the combination or separation between the driving gear and the transmission spindle by moving the key bar away from the driving gear; when the motor is powered, the key bar is stuck in the driving gear, the driving gear and the transmission spindle are in a combined state, and the door body performs the action of opening and closing the door under the control of the drive motor; when the motor is powered off, the key bar is pushed away from the driving gear by the trigger mechanism, the transmission spindle and the driving gear are in a separated state, and the door body is disengaged from the drive motor to perform the action of opening and closing the door by manpower; since the automatic door relies on the clutch to prevent the door body from moving after the clutch is combined to realize the function of opening or locking the door, when the door body is completely closed, the clutch must be in a combined state to lock the door body. Among them, the trigger mechanism in the existing door opener is relatively complicated, and the matching structure of the trigger machine top push key strip has many matching parts, the structure is complicated, the assembly is inconvenient, and the operation is not convenient.

[0003] In view of this, the designer has made in-depth considerations and actively researched, improved and trial-produced the above-mentioned door opener to address the many deficiencies and inconveniences caused by the imperfect structural design, and developed this design. Utility Model Content

[0004] The purpose of the utility model is to provide a door opener which is easy to operate. The clutch driving member is movably and rotatably pivoted on the shell and one end abuts against the clutch top lever, so that the clutch driving member can be rotated to push the clutch top lever to move horizontally. The clutch top lever pushes the key bar to disengage from the driving gear, so that the driving gear and the main shaft are disengaged, so that the door leaf can be easily pulled manually for opening and closing operations. The structure is simple and the operation is convenient.

[0005] In order to achieve the above purpose, the solution of the utility model is:

[0006] A door opener with easy operation, the door opener includes a shell and a transmission device and a clutch device arranged on the shell, the transmission device has a main shaft and a driving gear arranged on the main shaft, the clutch device has a key bar slidably arranged on the main shaft and clamped on the driving gear, a spring arranged in the main shaft and one end of which abuts on the key bar, a clutch top lever slidably passed through the main shaft and a clutch driving member; the clutch driving member is movably and rotatably pivoted on the shell, the spring pushes the key bar to be clamped on the driving gear and the key bar pushes the clutch top lever to abut the inner end of the clutch driving member; when manually opening the door, the clutch driving member is rotated inward with the help of an external tool, the clutch driving member pushes the clutch top lever to move toward the key bar and compresses the spring, pushing the key bar to disengage from the driving gear, so that the driving gear and the main shaft are disengaged.

[0007] The clutch driving member is provided with an external thread, and the housing is provided with an internal thread hole which is threadably connected with the external thread and is coaxially arranged with the clutch ejector rod.

[0008] The clutch driving member is provided with an abutting top portion for the clutch detent rod to abut against and a driving portion close to the outer side of the shell; the driving portion is a groove for an external tool to be inserted into to drive the clutch driving member to rotate, and the outer end of the driving portion is flush with the outer side surface of the shell or recessed in the outer side surface of the shell.

[0009] The diameter of the clutch ejector rod is greater than the diameter of the clutch driving member.

[0010] The groove is a hexagonal groove.

[0011] The main shaft is provided with an inner shaft hole for the clutch and push rod to slide, and the housing is provided with a clearance hole coaxially arranged with the inner shaft hole. The clutch and push rod is pressed against the clearance hole under the elastic force of the spring.

[0012] The clearance hole and the internal threaded hole are coaxially connected.

[0013] The clearance hole is opened toward the main shaft and is provided with a countersink with a hole diameter larger than the clearance hole. An oil seal sleeved on the clutch top lever is provided in the countersink.

[0014] After adopting the above structure, when the door opener of the utility model is manually opened after power failure, the clutch driving part is rotated inwardly with the help of an external tool, and the clutch driving part pushes the clutch detent rod to move toward the key bar and compresses the spring, pushing the key bar out of the driving gear, so that the driving gear and the main shaft are disengaged, so that the door leaf can be easily pulled manually for opening and closing operations, and the operation is more convenient; when manually locking the door, the door is closed first, and the clutch driving part is rotated outwardly with the help of an external tool, the clutch driving part does not push the clutch detent rod, and under the elastic force of the spring, the key bar pushes The movable clutch push rod moves laterally toward the clutch driving member, and the spring pushes the key bar to get into the key slot of the driving gear, so that the driving gear and the main shaft are engaged, thereby realizing the door locking function; wherein, the movable push-to-pull matching structure of the clutch driving member and the clutch push rod does not need to cooperate with other components to assist in pushing the clutch push rod to move, and the clutch driving member is pivotally connected to the shell, which is convenient for the clutch driving member to move laterally on the shell and push the clutch push rod to move, and can prevent the clutch driving member from falling out of the shell when it moves laterally. The structure is simple, the assembly is convenient, and the operation is convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of the door opener of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the door opener of the utility model from another direction;

[0017] Figure 3 It is a cross-sectional schematic diagram of the door opener of the utility model;

[0018] Figure 4 for Figure 3 A partial cross-sectional enlarged schematic diagram in FIG.

[0019] Figure 5 It is a structural schematic diagram of the clutch device of the door opener of the utility model;

[0020] Figure 6 It is a cross-sectional schematic diagram of the clutch device of the door opener of the utility model;

[0021] Figure 7 It is an exploded schematic diagram of the clutch device of the door opener of the utility model;

[0022] Figure 8 It is an exploded schematic diagram of the clutch device of the door opener of the utility model from another direction.

[0023] Comply with the description

[0024] Housing 10; spindle 1; driving gear 2; key bar 3; spring 4; clutch lever 5; clutch drive member 6; keyway 21; internal threaded hole 101; drive part 61; groove 611; shaft inner hole 11; clearance hole 102; countersunk hole 103; oil seal 7. DETAILED DESCRIPTION

[0025] In order to further explain the technical solution of the present utility model, the present utility model is described in detail below through specific embodiments.

[0026] See also Figures 1 to 8 The utility model discloses a door opener with convenient operation, the door opener comprises a housing 10 and a transmission device and a clutch device arranged on the housing 10, the transmission device comprises a main shaft 1 and a driving gear 2 arranged on the main shaft 1, the clutch device comprises a key bar 3 slidably arranged on the main shaft 1 and clamped on the driving gear 2, a spring 4 arranged in the main shaft 1 and one end of which abuts on the key bar 3, a clutch top-detent rod 5 slidably penetrated in the main shaft 1 and a clutch driving member 6; the clutch driving member 6 is movably rotated and pivoted on the housing 10, the spring 4 pushes the key bar 3 to be clamped on the driving gear 2 and the key bar 3 pushes the clutch top-detent rod 5 to abut against the inner end of the clutch driving member 6; when manually opening the door, the clutch driving member 6 is rotated inwardly with the help of an external tool, the clutch driving member 6 pushes the clutch top-detent rod 5 to move toward the key bar 3 and compress the spring 4, pushing the key bar 3 to disengage from the driving gear 2, so that the driving gear 2 and the main shaft 1 are disengaged.

[0027] When the door opener of the utility model is manually opened after power failure, the clutch driving member 6 is rotated inwardly with the help of an external tool, and the clutch driving member 6 pushes the clutch top-detent rod 5 to move toward the key strip 3 and compress the spring 4, pushing the key strip 3 to disengage from the driving gear 2, so that the driving gear 2 and the main shaft 1 are disengaged, so that the door leaf can be easily pulled manually for opening and closing operations, and the operation is more convenient; when manually locking the door, the door is closed first, and the clutch driving member 6 is rotated outwardly with the help of an external tool, and the clutch driving member 6 does not push the clutch top-detent rod 5, and under the elastic force of the spring 4, the key strip 3 pushes the clutch top-detent rod 5 to The clutch driving member 6 moves laterally, and the spring 4 pushes the key bar 3 to snap into the key slot 21 of the driving gear 2, so that the driving gear 2 and the main shaft 1 are engaged, thereby realizing the door locking function; wherein, the movable abutting matching structure of the clutch driving member 6 and the clutch top detent rod 5 does not need to cooperate with other components to assist in the movement of the clutch top detent rod 5, and the clutch driving member 6 is pivotally connected to the shell 10, which is convenient for the clutch driving member 6 to move laterally on the shell 10 and push the clutch top detent rod 5 to move, and can prevent the clutch driving member 6 from falling out of the shell 1 when it moves laterally. The structure is simple, the assembly is convenient, and the operation is convenient.

[0028] The clutch drive member 6 of the utility model is provided with an external thread, and the shell 10 is provided with an internal threaded hole 101 which is threadedly connected to the external thread and coaxially arranged with the clutch push rod 5; the clutch drive member 6 is threadedly rotatably connected to the shell 10, and the assembly structure of the two is simple, and the clutch drive member 6 is always connected to the shell 10, avoiding displacement of the clutch drive member 6 during movement, making the clutch structure of the clutch device more stable and the operation smoother.

[0029] The clutch driving member 6 of the utility model is provided with an abutting top portion for the clutch top lever 5 to abut against and a driving portion 61 close to the outside of the shell 10; the driving portion 61 is a groove 611 for an external tool to be inserted into to drive the clutch driving member to rotate, and the outer end of the driving portion 61 is flush with the outer side surface of the shell 10 or recessed in the outer side surface of the shell 10; avoiding the driving portion 61 protruding from the outer side surface of the shell 10 makes packaging and transportation more convenient.

[0030] The diameter of the clutch push rod 5 of the present invention is greater than the diameter of the clutch driving member 6, so that the clutch driving member 6 can smoothly push against the clutch push rod 5 to move.

[0031] The groove 611 of the present invention is a hexagonal groove, which makes it convenient to use a hexagonal wrench to rotate the clutch driving member 6, and the operation is more labor-saving.

[0032] The main shaft 1 of the utility model is provided with an inner shaft hole 11 for the clutch top lever 5 to slide, and the housing 10 is provided with a clearance hole 102 coaxially arranged with the inner shaft hole 11. The clutch top lever 5 is pressed against the clearance hole 102 under the elastic force of the spring 4; the clearance hole 102 can limit the position of the clutch top lever 5, and the clutch driving member 6 can always press against one end of the clutch top lever 5, so that the clutch driving member 6 can push the clutch top lever 5 to move, thereby making the main shaft 1 and the driving gear 2 in a disengaged state, so as to facilitate the manual pulling of the door leaf for opening and closing operations.

[0033] The clearance hole 102 and the internal threaded hole 101 of the utility model are coaxially connected and arranged; the clutch driving member 6 and the clutch top detent rod 5 are coaxially arranged. When an external tool rotates the clutch driving member 6 inward, the clutch driving member 6 and the clutch top detent rod 5 move on the same axis, which is more convenient for pushing the clutch top detent rod 5 to move, thereby putting the main shaft 1 and the driving gear 2 in a disengaged state, making it convenient to manually pull the door leaf for opening and closing operations.

[0034] The clearance hole 102 of the utility model is opened toward the side of the main shaft 1 and is provided with a countersunk hole 103 with a hole diameter larger than the clearance hole 102, and an oil seal 7 sleeved on the clutch top lever 5 is provided in the countersunk hole 103; the oil seal 7 can close the gap between the clutch top lever 6 and the housing 10, and can prevent the hydraulic oil in the inner cavity of the housing 10 from leaking.

[0035] The above embodiments and drawings do not limit the product form and style of the utility model. Any appropriate changes or modifications made by ordinary technicians in the relevant technical field should be deemed to be within the patent scope of the utility model.

Claims

1. A door opener that is easy to operate, characterized in that: The door opener includes a shell and a transmission device and a clutch device arranged on the shell, the transmission device has a main shaft and a driving gear arranged on the main shaft, the clutch device has a key bar slidably arranged on the main shaft and clamped on the driving gear, a spring arranged in the main shaft and one end of which abuts on the key bar, a clutch top-detent rod slidably passed through the main shaft, and a clutch driving member; the clutch driving member is movably and rotatably pivoted on the shell, the spring pushes the key bar to be clamped on the driving gear and the key bar pushes the clutch top-detent rod to abut the inner end of the clutch driving member; when manually opening the door, the clutch driving member is rotated inward with the help of an external tool, the clutch driving member pushes the clutch top-detent rod to move toward the key bar and compresses the spring, pushing the key bar to disengage from the driving gear, so that the driving gear and the main shaft are disengaged.

2. A door opener with convenient operation as claimed in claim 1, characterized in that: The clutch driving member is provided with an external thread, and the housing is provided with an internal thread hole which is threadably connected with the external thread and is coaxially arranged with the clutch ejector rod.

3. A convenient door opener as claimed in claim 2, characterized in that: The clutch driving member is provided with an abutting top portion for the clutch detent rod to abut against and a driving portion close to the outer side of the shell; the driving portion is a groove for an external tool to be inserted into to drive the clutch driving member to rotate, and the outer end of the driving portion is flush with the outer side surface of the shell or recessed in the outer side surface of the shell.

4. A door opener with convenient operation as claimed in claim 3, characterized in that: The diameter of the clutch ejector rod is greater than the diameter of the clutch driving member.

5. The door opener with convenient operation as claimed in claim 3, characterized in that: The groove is a hexagonal groove.

6. The convenient door opener according to claim 2, characterized in that: The main shaft is provided with an inner shaft hole for the clutch and push rod to slide, and the housing is provided with a clearance hole coaxially arranged with the inner shaft hole. The clutch and push rod is pressed against the clearance hole under the elastic force of the spring.

7. A convenient door opener as claimed in claim 6, characterized in that: The clearance hole and the internal threaded hole are coaxially connected.

8. The convenient-to-operate door opener according to claim 6, characterized in that: The clearance hole is opened toward the main shaft and is provided with a countersink with a hole diameter larger than the clearance hole. An oil seal sleeved on the clutch top lever is provided in the countersink.

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