A door opener

Abstract

The application discloses a door opener, which comprises a shell, a transmission device and a clutch device arranged on the shell, the transmission device is provided with a main shaft and a driving gear, the clutch device is provided with a key strip slidingly arranged on the main shaft and clamped on the driving gear, a clutch top catch rod and a clutch driving part penetrating the main shaft, the clutch driving part is provided with a top contact groove and a driving part, the notch of the top contact groove is directed to the clutch top catch rod, the top contact groove is provided with a first top contact end and a second top contact end, and the depth difference of the groove between the first top contact end and the second top contact end is the transverse movement stroke of the clutch top catch rod, the clutch driving part of the door opener is provided with the top contact groove directed to the clutch top catch rod, the cooperation structure of the clutch top catch rod and the top contact groove is simple and convenient to assemble, the clutch top catch rod can be pushed to move transversely by rotating the clutch driving part, the key strip is pushed to be separated from the driving gear by the clutch top catch rod, the driving gear and the main shaft are decoupled, the door leaf can be easily pulled to be opened and closed manually, and the operation is convenient.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of automatic door, in particular to a door opener. BACKGROUND

[0002] With the improvement of living standards and the fast pace of life, the existing automatic door has become a common phenomenon, and the safety, simplicity and energy saving are emphasized; the door opener is a mechanical and electronic device for controlling the automatic opening and closing of the door body, which mainly comprises a driving motor, a transmission main shaft and a clutch; the clutch is provided to ensure that the automatic door can be normally opened or closed when power failure or other electrical faults occur, the housing of the clutch is connected with the door body, and the clutch realizes the combination or separation between the driving gear and the transmission main shaft by moving the key bar away from the driving gear; when the motor is powered, the key bar is clamped into the driving gear, the driving gear and the transmission main shaft are in a combined state, and the door body performs the opening and closing action under the control of the driving motor; when the motor is powered off, the key bar is pushed away from the driving gear by the trigger mechanism, the transmission main shaft and the driving gear are in a separated state, and the door body is disconnected from the driving motor and performs the opening and closing action by manual force; since the automatic door realizes the opening or locking function by stopping the movement of the door body after the clutch is combined, the clutch must be in a combined state to lock the door body when the door body is completely closed. Among them, the trigger mechanism in the existing door opener is relatively complex, and the matching components in the cooperation structure of the trigger mechanism pushing the key bar are complex, the structure is complex, the assembly is not convenient, and the operation is not convenient.

[0003] Therefore, the present application is developed and designed by the inventor after deep thinking and active research on the above-mentioned door opener structure design which is not perfect and causes many defects and inconvenience. SUMMARY

[0004] The purpose of the present application is to provide a door opener, which is provided with a top pushing groove towards the clutch top pressing rod, the cooperation structure of the clutch top pressing rod and the top pushing groove is simple and convenient to assemble, the clutch top pressing rod is pushed transversely by rotating the clutch driving part, the key bar is pushed away from the driving gear by the clutch top pressing rod, the driving gear and the main shaft are decoupled, so that the door leaf can be easily pulled manually for opening and closing operation, and the operation is convenient.

[0005] In order to achieve the above purpose, the solution of the present application is:

[0006] A door opener, comprising a housing, a transmission device and a clutch device arranged on the housing, the transmission device having a main shaft and a driving gear arranged on the main shaft, the clutch device having a key strip slidingly arranged on the main shaft and clamped on the driving gear, a clutch plunger rod penetrating in the main shaft and a clutch driving member; the clutch driving member is provided with a top abutting groove for abutting the clutch plunger rod and a driving part exposed outside the housing; the groove opening of the top abutting groove faces the clutch plunger rod, and the top abutting groove has a first top abutting end and a second top abutting end, the groove depth difference between the first top abutting end and the second top abutting end is the lateral movement stroke of the clutch plunger rod.

[0007] When manually opening the door, the clutch driving member is manually rotated through the driving part, the clutch driving member is rotated to push the top abutting groove to push the clutch plunger rod to move laterally, the clutch plunger rod pushes the key strip to disengage from the driving gear, so that the driving gear and the main shaft are tripped.

[0008] The top abutting groove is a spiral groove recessed from the end face of the clutch driving member facing the clutch plunger rod to the driving part, and the first top abutting end and the second top abutting end are located on a circular ring concentrically arranged with the clutch driving member and having the same diameter.

[0009] The clutch driving member has a first cylindrical body, a second cylindrical body assembled with the housing, and a driving part arranged at the outer end of the second cylindrical body, and the top abutting groove is arranged on the first cylindrical body; the top abutting groove has a groove side wall around the center of the first cylindrical body, and the groove side wall is a circular arc side wall concentrically arranged with the first cylindrical body.

[0010] The top abutting groove also has a spiral groove bottom wall, the groove bottom wall has the first top abutting end, the second top abutting end and a smooth section connecting the first top abutting end and the second top abutting end, and the groove depth of the first top abutting end and the second top abutting end is deeper than the groove depth of the smooth section.

[0011] The top abutting groove also has a side notch on the outer wall of the first cylindrical body, and the side notch extends from the groove bottom wall to communicate with the groove opening of the top abutting groove.

[0012] The groove bottom wall is provided with a stop rim protruding from the outer wall of the first cylindrical body.

[0013] The circular arc side wall has a first side edge at the first top abutting end, a second side edge at the second top abutting end, a circular arc edge at the end face of the first cylindrical body, and a spiral edge connecting the groove bottom wall; the length difference between the first side edge and the second side edge is the lateral movement stroke of the clutch plunger rod, and the lateral movement stroke of the clutch plunger rod is greater than or equal to the movement stroke of the key strip moving away from the driving gear.

[0014] The driving part is a triangular protrusion, and the triangular protrusion rotates the clutch driving member in cooperation with the driving handle.

[0015] The middle section of the main shaft is provided with a clearance slot penetrating the side wall of the main shaft, and the main shaft is provided with an inner hole communicating with the clearance slot at one end; the driving gear is provided with a through hole sleeved on the main shaft and a key groove provided on the hole wall; the key strip is provided with a spring guide column for sleeving the spring; one side of the key strip is abutted against the spring and is slidably accommodated in the clearance slot; the clutch push rod is penetrated in the inner hole and is abutted against the other side of the key strip at one end, and the end of the key strip protruding out of the clearance slot is clamped in the key groove.

[0016] The transmission device is further provided with the driving gear sleeved on the main shaft, the screw rod engaged with the driving gear to rotate, and the motor driving the screw rod to rotate, the transmission gear is located outside the housing and rotates to engage with the chain to drive the opening and closing door.

[0017] The housing is provided with a fixed seat accommodated in the housing and a movable seat sleeved on the main shaft, the fixed seat is provided with an inner cavity accommodating the transmission device and the clutch device, the inner cavity is provided with a first cavity opening assembled with the movable seat and a second cavity opening for the clutch driving member to extend out of the housing; the main shaft is provided with a stepped ring for abutting against the driving gear to position, one side of the driving gear is locked on the main shaft through a locking nut, and the driving gear and the locking nut are provided with a buffer pad therebetween.

[0018] After the above structure is adopted, when the opening and closing door is manually opened after power failure, the clutch driving member is manually rotated through the driving part exposed outside the housing, the clutch driving member is rotated to drive the abutting groove to rotate and push the clutch push rod to move transversely, the clutch push rod pushes the key strip to disengage from the driving gear, so that the driving gear and the main shaft are tripped, and the door leaf can be easily pulled to open and close manually; wherein, the groove opening of the abutting groove faces the clutch push rod, and one end of the clutch push rod is directly abutted against the abutting groove of the clutch driving member; during the rotation of the clutch driving member, the rotating abutting groove directly pushes the clutch push rod to move transversely (i.e. the abutting groove is continuously changed in the rotating process, and the abutting position of the clutch push rod and the abutting groove changes from the first abutting end to the second abutting end), the cooperation structure of the clutch push rod and the abutting groove is simple and stable, and other limiting components are not needed to limit the movement of the clutch push rod, so that the assembly is more convenient and the operation is more convenient; moreover, the groove depth difference between the first abutting end and the second abutting end is the transverse movement stroke of the clutch push rod, during the rotation of the clutch driving member, the abutting groove is rotated, the abutting position of the clutch push rod and the abutting groove changes from the deep end to the shallow end of the groove depth of the abutting groove, which facilitates the movement of the clutch push rod to the direction of the key strip to abut against the key strip to disengage from the driving gear, and the cooperation structure of the clutch push rod and the abutting groove is simpler and the operation is smoother. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural schematic view of the opening and closing door of the present application;

[0020] Figure 2Structure diagram of the door opener in another direction of the present application;

[0021] Figure 3 Structure diagram of the door opener in another direction of the present application;

[0022] Figure 4 Structure diagram of the door opener in another direction of the present application;

[0023] Figure 5 Structure diagram of the door opener in another direction of the present application;

[0024] Figure 6 Structure diagram of the door opener in another direction of the present application;

[0025] Figure 7 Structure diagram of the door opener in another direction of the present application;

[0026] Figure 8 Structure diagram of the door opener in another direction of the present application;

[0027] Figure 9 Structure diagram of the door opener in another direction of the present application;

[0028] Figure 10 Structure diagram of the door opener in another direction of the present application;

[0029] Figure 11 Structure diagram of the door opener in another direction of the present application;

[0030] Figure 12 Structure diagram of the door opener in another direction of the present application;

[0031] Figure 13 Structure diagram of the door opener in another direction of the present application.

[0032] Conformity

[0033] Housing 10; transmission device 20; clutch device 30; main shaft 1; driving gear 2; key bar 3; clutch top stop lever 4; clutch driving member 5; stop groove 51; driving part 52; notch 511; first stop end 512; second stop end 513; first column 53; second column 54; groove side wall 514; groove bottom wall 515; smooth section 516; side notch 517; blocking rim 55; first side edge 5141; circular arc edge 5143; spiral edge 5144; allowance groove 11; shaft inner hole 12; through hole 21; key groove 22; spring guide column 31; spring 6; transmission gear 201; screw rod 202; motor 203; fixed seat 101; movable seat 102; inner cavity 103; first cavity opening 104; second cavity opening 105. DETAILED DESCRIPTION

[0034] In order to further explain the technical solutions of the present application, the present application will be described in detail below through specific embodiments.

[0035] Please refer to Figures 1 to 13 The present application discloses an opening door machine, which comprises a housing 10, a transmission device 20 and a clutch device 30 arranged on the housing 10, the transmission device 20 has a main shaft 1 and a driving gear 2 arranged on the main shaft 1, the clutch device 30 has a key strip 3 arranged on the main shaft 1 and clamped on the driving gear 2, a clutch plunger 4 and a clutch driving member 5 arranged in the main shaft 1; the clutch driving member 5 is provided with a top abutting groove 51 for abutting the clutch plunger 4 and a driving part 52 exposed outside the housing 10; the slot opening 511 of the top abutting groove 51 faces the clutch plunger 4, and the top abutting groove 51 has a first top abutting end 512 and a second top abutting end 513, the difference in groove depth between the first top abutting end 512 and the second top abutting end 513 is the lateral movement stroke of the clutch plunger 4;

[0036] When manually opening the door, the clutch driving member 5 is manually rotated through the driving part 52, the rotation of the clutch driving member 5 drives the rotation of the top abutting groove 51 to push the clutch plunger 4 to move laterally, the clutch plunger 4 pushes the key strip 3 to disengage from the driving gear 2, so that the driving gear 2 and the main shaft 1 are tripped.

[0037] The door opener of the application can be manually opened after power failure, the clutch driving part 5 is manually rotated by the driving part 52 exposed outside the shell 10, the rotation of the clutch driving part 5 drives the abutting groove 51 to rotate and push the clutch push rod 4 to move transversely, the clutch push rod 4 pushes the key strip 3 to disengage from the driving gear 2, so that the driving gear 2 and the main shaft 1 are tripped, and the door leaf can be easily pulled for opening and closing operation; wherein the notch 511 of the abutting groove 51 faces the clutch push rod 4, and one end of the clutch push rod 4 directly abuts on the abutting groove 51 of the clutch driving part 5; during the rotation of the clutch driving part 5, the rotating abutting groove 51 directly pushes the clutch push rod 4 to move transversely (i.e. the abutting position of the clutch push rod 4 and the abutting groove 51 is changed from the first abutting end 512 far away from the driving gear 2 to the second abutting end 513 close to the driving gear 2 during the rotation of the abutting groove 51), the cooperation structure of the clutch push rod 4 and the abutting groove 51 is simple and stable, without the need for other limiting components to limit the movement of the clutch push rod 4, and the assembly is more convenient and the operation is more convenient; moreover, the groove depth difference between the first abutting end 512 and the second abutting end 513 is the transverse movement stroke of the clutch push rod 4, during the rotation of the clutch driving part 5, the abutting groove 51 is driven to rotate, the abutting position of the clutch push rod 4 and the abutting groove 51 is changed from the deep end of the groove to the shallow end of the groove, which facilitates the movement of the clutch push rod 4 to the direction of the key strip 3 to abut on the key strip 3 to disengage from the driving gear 2, and the cooperation structure of the clutch push rod 4 and the abutting groove 51 is simpler and the operation is smoother.

[0038] The abutting groove 51 of the application is a spiral groove recessed from the end face of the clutch driving part 5 towards the driving part 52, the first abutting end 512 and the second abutting end 513 are located on the same circle ring concentrically arranged with the clutch driving part 5 and having the same diameter, i.e. the vertical distance from the first abutting end 512 to the center axis of the clutch driving part 5 is the same as the vertical distance from the second abutting end 513 to the center axis of the clutch driving part 5; during the rotation of the clutch driving part 5, the position of the clutch push rod 4 abutting on the abutting groove 51 is always located on the same circle ring, which limits the transverse movement of the clutch push rod 4, the clutch push rod 4 is moved transversely by the transverse force to push the key strip 3 to disengage from the driving gear 2, the driving gear 2 and the main shaft 1 are tripped, and the door leaf can be easily pulled for opening and closing operation.

[0039] The clutch driving piece 5 of the present application has a first cylinder 53, a second cylinder 54 assembled with the housing 10, and a driving part 52 arranged at the outer end of the second cylinder 54, and the abutting groove 51 is arranged on the first cylinder 53; the abutting groove 51 has a groove side wall 514 surrounding the center of the first cylinder 53, and the groove side wall 514 is a circular arc side wall concentrically arranged with the first cylinder 53; during the rotation of the abutting groove 51 to push the lateral movement of the clutch pawl 4, the clutch pawl 4 always abuts against one side of the circular arc side wall, so that the clutch pawl 4 keeps lateral movement, and the key strip 3 is conveniently separated from the driving gear 2, and the operation is more convenient.

[0040] The abutting groove 51 of the present application also has a groove bottom wall 515 arranged in a spiral, the groove bottom wall 515 has the first abutting end 512, the second abutting end 513, and the smooth section 516 connecting the first abutting end 512 and the second abutting end 513, and the groove depth of the first abutting end 512 and the second abutting end 513 is deeper than the groove depth of the smooth section 516; when the clutch pawl 4 is located at the first abutting end 512 or the second abutting end 513, the clutch pawl 4 will not be separated from the first abutting end 512 or the second abutting end 513 under the action of no external force, so that the clutch structure of the clutch device 30 is more stable.

[0041] The abutting groove 51 of the present application also has a side notch 517 located on the outer wall of the first cylinder 53, and the side notch 517 extends from the groove bottom wall 515 to communicate with the groove opening 511 of the abutting groove 51; the clutch pawl 4 is conveniently abutted and matched on the abutting groove 51, and the assembly is more convenient.

[0042] The groove bottom wall 515 of the present application is provided with a stop rim 55 protruding from the groove bottom wall 515 on the outer wall of the first cylinder 53, and the stop rim 55 can prevent the clutch pawl 4 from being separated from the abutting groove 51 during the rotation of the clutch driving piece 5, and the matching structure of the clutch pawl 4 and the abutting groove 51 is more stable.

[0043] The circular arc side wall has a first side edge 5141 located at the first abutting end 512, a second side edge 5142 located at the second abutting end 513, a circular arc edge 5143 located at the end face of the first cylinder 53, and a spiral edge 5144 connected with the groove bottom wall 515; the length difference between the first side edge 5141 and the second side edge 5142 is the lateral movement stroke of the clutch pawl 4, and the lateral movement stroke of the clutch pawl 4 is greater than or equal to the movement stroke of the key strip 3 moving away from the driving gear 2; the clutch pawl 4 can push the key strip 3 away from the driving gear 2, ensure that the main shaft 1 and the driving gear 2 are in the tripped state, and facilitate manual pulling of the door leaf for opening and closing operation.

[0044] The driving part 52 of the application is a triangular protrusion, which cooperates with the driving handle to rotate the clutch driving part 5; the driving part 52 is more convenient to rotate through the driving handle, and the operation is convenient and labor-saving.

[0045] The middle section of the main shaft 1 is provided with a clearance slot 11 penetrating the side wall of the main shaft 1, and the one end of the main shaft 1 is provided with an inner shaft hole 12 communicating with the clearance slot 11; the driving gear 2 is provided with a through hole 21 sleeved on the main shaft 1 and a key groove 22 provided on the hole wall of the through hole 21, and the key bar 3 is provided with a spring guide column 31 for sleeving the spring 6; one side of the key bar 3 abutting against the spring 6 is slidably accommodated in the clearance slot 11, the clutch plunger 4 is penetrated in the inner shaft hole 12 and the other end abutting against the other side of the key bar 3, and the end of the key bar 3 protruding out of the clearance slot 11 is clamped in the key groove 22; when manually opening the door, the clutch driving part 5 is manually rotated through the driving part 52 exposed outside the shell 10, the clutch driving part 5 is rotated to drive the abutting groove 51 to rotate and push the clutch plunger 4 to move transversely, the clutch plunger 4 pushes the key bar 3 to disengage from the key groove of the driving gear 2, the spring 6 is compressed by the key bar 3, so that the driving gear 2 and the main shaft 1 are disengaged, thereby the door leaf can be easily pulled to open and close manually; when manually locking the door, the door is closed first, and then the clutch driving part 5 is manually rotated through the driving part 52 exposed outside the shell 10, the clutch driving part 5 is rotated to drive the abutting groove 51 to rotate, under the elastic force of the spring 6, the key bar pushes the clutch plunger 4 to abut against the abutting groove 51 to move transversely to the clutch driving part 5, the spring 6 pushes the key bar 3 to be clamped in the key groove of the driving gear 2, so that the driving gear 2 and the main shaft 1 are engaged, thereby realizing the function of locking the door.

[0046] The transmission device 20 further comprises a transmission gear 201 provided on the main shaft 1, a screw rod 202 engaged with the driving gear 2 to rotate, and a motor 203 driving the screw rod 202 to rotate, and the transmission gear 201 is located outside the shell 10 and rotates to engage with the chain to drive the door to open and close; when automatically opening the door with power, the clutch driving part 5 is manually rotated through the driving part 52 exposed outside the shell 10, the clutch driving part 5 is rotated to drive the abutting groove 51 to rotate, the abutting groove 51 does not push the clutch plunger 4, the spring 6 pushes the key bar 3 to be clamped in the key groove 22 of the driving gear 2 under the elastic force, so that the driving gear 2 and the main shaft 1 are in the combined state, thereby the motor 203 drives the driving gear 2 to rotate to drive the main shaft 1 to rotate, and further drives the transmission gear 201 to rotate to engage with the chain to automatically pull the door leaf to open and close.

[0047] The shell 10 of the present application has a fixed seat 101 arranged in the shell 10 and a movable seat 102 sleeved on the main shaft 1, the fixed seat 101 has an inner cavity 103 accommodating the transmission device 20 and the clutch device 30, the inner cavity 103 has a first cavity opening 104 assembled with the movable seat 102 and a second cavity opening 105 for the clutch driving piece 5 to extend out of the shell 10; the movable seat 102 and the fixed seat 101 can stably assemble the transmission device 20 and the clutch device 30 in the shell 10, the assembly is more convenient, and the clutch operation of the clutch device 30 is more stable; the main shaft 1 is provided with a step ring 13 for the driving gear 2 to abut and position, one side of the driving gear 2 is locked and arranged on the main shaft 1 through a locking nut 23, and a buffer pad 24 is arranged between the driving gear 2 and the locking nut 23.

[0048] The above embodiments and drawings are not limited to the product shape and style of the present application, and any appropriate changes or modifications made by any ordinary skilled person in the art shall be considered as not departing from the patent scope of the present application.

Claims

1. A door opener characterized by: The door opening machine comprises a housing, a transmission device and a clutch device arranged on the housing, the transmission device has a main shaft and a driving gear arranged on the main shaft, the clutch device has a key strip slidingly arranged on the main shaft and clamped on the driving gear, a clutch plunger rod penetrating in the main shaft and a clutch driving member; the clutch driving member is provided with a top abutting groove for abutting the clutch plunger rod and a driving part exposed outside the housing; the groove opening of the top abutting groove faces the clutch plunger rod, and the top abutting groove has a first top abutting end and a second top abutting end, the groove depth difference between the first top abutting end and the second top abutting end is the lateral movement stroke of the clutch plunger rod; the top abutting groove is a spiral groove arranged in the driving part from the end face of the clutch driving member facing the clutch plunger rod, and the first top abutting end and the second top abutting end are located on a circular ring concentrically arranged with the clutch driving member and having the same diameter; when the door is manually opened, the clutch driving member is manually rotated through the driving part, the clutch driving member is rotated to push the top abutting groove to move the clutch plunger rod laterally, the clutch plunger rod pushes the key strip to disengage from the driving gear, so that the driving gear and the main shaft are decoupled, and the door leaf is manually pulled to open and close; and during the rotation of the clutch driving member, the position of the clutch plunger rod abutting the top abutting groove is always located on the same circular ring, thereby limiting the lateral movement of the clutch plunger rod.

2. The door opener of claim 1 wherein: The clutch driving member has a first cylindrical body, a second cylindrical body assembled with the housing, and a driving part arranged at the outer end of the second cylindrical body, and the top abutting groove is arranged on the first cylindrical body; the top abutting groove has a groove side wall surrounding the center of the first cylindrical body, and the groove side wall is a circular arc side wall concentrically arranged with the first cylindrical body.

3. The door opener of claim 2 wherein: The top abutting groove also has a spiral groove bottom wall, the groove bottom wall has the first top abutting end, the second top abutting end and a smooth section connecting the first top abutting end and the second top abutting end, and the groove depth of the first top abutting end and the second top abutting end is deeper than the groove depth of the smooth section.

4. The door opener of claim 3 wherein: The top abutting groove also has a side notch located on the outer wall of the first cylindrical body, and the side notch extends from the groove bottom wall to communicate with the groove opening of the top abutting groove.

5. The door opener of claim 2 wherein: The circular arc side wall has a first side edge located at the first top abutting end, a second side edge located at the second top abutting end, a circular arc edge located at the end face of the first cylindrical body, and a spiral edge connected with the groove bottom wall; the length difference between the first side edge and the second side edge is the lateral movement stroke of the clutch plunger rod, and the lateral movement stroke of the clutch plunger rod is greater than or equal to the movement stroke of the key strip moving away from the driving gear.

6. The door opener of claim 1 wherein: The driving part is a triangular protrusion, and the triangular protrusion rotates the clutch driving member in cooperation with the driving handle.

7. The door opener of claim 1 wherein: A main shaft has a clearance groove penetrating through the side wall of the main shaft, and an inner shaft hole communicating with the clearance groove is arranged at one end of the main shaft; the driving gear is provided with a penetrating hole sleeved on the main shaft and a key groove arranged on the hole wall of the penetrating hole, and the key strip is provided with a spring guide column for sleeving a spring; one side of the key strip abutting the spring is slidingly accommodated in the clearance groove, the clutch plunger rod penetrates in the inner shaft hole and abuts the other side of the key strip at one end, and the end of the key strip protruding out of the clearance groove is clamped in the key groove.

8. The door opener of claim 1 wherein: The transmission device further has a transmission gear arranged on the main shaft, a screw rod engaged with the driving gear to rotate, and a motor driving the screw rod to rotate, the transmission gear being located outside the housing and rotating to engage with the chain to drive the switch door.

9. The door opener of claim 1 wherein: The housing has a fixed seat arranged in the housing and a movable seat sleeved on the main shaft, the fixed seat having an inner cavity accommodating the transmission device and the clutch device, the inner cavity having a first cavity opening assembled with the movable seat and a second cavity opening through which the clutch driving member extends out of the housing; the main shaft is provided with a stepped ring for positioning the driving gear, one side of the driving gear being locked on the main shaft by a locking nut, and a buffer pad being arranged between the driving gear and the locking nut.

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