CN220747981U - Manual door opening and closing structure of door opener - Google Patents
Manual door opening and closing structure of door opener Download PDFInfo
- Publication number
- CN220747981U CN220747981U CN202322276963.1U CN202322276963U CN220747981U CN 220747981 U CN220747981 U CN 220747981U CN 202322276963 U CN202322276963 U CN 202322276963U CN 220747981 U CN220747981 U CN 220747981U
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- spline sleeve
- control shaft
- motor
- spring
- box body
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- 230000009471 action Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
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Abstract
The utility model relates to a manual door opening and closing structure of a door opener, which comprises a box body, wherein a motor is arranged on the box body, one end of a rotating shaft of the motor is slidably sleeved with an external spline sleeve, an internal spline sleeve is sleeved on the external spline sleeve, the outer side of the internal spline sleeve is rotationally connected to the box body through a bearing, a sprocket is coaxially and fixedly arranged on the outer side of the internal spline sleeve, a chain is arranged on the sprocket, a limiting groove is formed in the end part of the external spline sleeve, which is close to the motor, a limiting bulge is arranged on the rotating shaft between the motor and the external spline sleeve, a spring is arranged at the end, which is far away from the motor, of the external spline sleeve, a flange is circumferentially arranged at the edge of the end, which is far away from the motor, of the flange, a control shaft is arranged on one side, which is close to the sprocket, a pressing bulge is eccentrically arranged at the end part, which is close to the external spline sleeve, of the control shaft is abutted to one side, a first pull rope and a second pull rope are coaxially arranged on the control shaft, a swing arm is arranged on the control shaft, and a limiting structure for limiting swing of the swing arm is arranged on the box body.
Description
Technical Field
The utility model relates to the technical field of door openers, in particular to a manual door opening and closing structure of a door opener.
Background
A mechanical mechanism on industrial door machine with sliding door is disclosed. However, under emergency conditions such as power failure, the industrial door machine is self-locking, and when power is off, the door cannot be opened and closed, and the channel cannot be kept smooth all the time.
The manual door opening and closing device of the industrial door machine disclosed by the application number CN201220488392.7 comprises a chain, a chain wheel, a central shaft, a connecting sleeve, a screw, a transmission gear, a swing rod, a gear fixed on a motor shaft and a box body; the chain is arranged on the chain wheel, and a chain wheel cover is arranged outside the chain wheel; the chain is pulled to enable the chain wheel to rotate, the chain wheel and the connecting sleeve are connected into a whole through the screw and can rotate around the central shaft, the chain wheel drives the connecting sleeve to rotate, the end face of the connecting sleeve is provided with tooth shapes and meshed with the end face of the transmission gear in a tooth shape, and therefore the transmission gear rotates around the central shaft; the central shaft is arranged on the motor end cover, and the swing rod and the transmission gear are both arranged on the central shaft and can rotate along the central shaft; the swing rod is provided with a transition gear, and the transmission gear is meshed with the transition gear, namely, the transmission gear can drive the transition gear to rotate; one end of the torsion spring is fixed on the torsion spring bracket, and the other end of the torsion spring is connected with the swing rod; the torsional spring bracket is fixed on the motor end cover; the transmission gear, the transition gear and the gear fixed on the motor shaft are parallel in central line, and the transmission gear, the transition gear and the gear fixed on the motor shaft can be meshed, namely, the transmission gear drives the transition gear to rotate, and the transition gear rotates along with the swing rod around the shaft and is meshed with the gear fixed on the motor shaft from the lower part of the box body to the upper part; the contact end surface of the transition gear and the swing rod is provided with a friction plate with adjustable force; the friction force is regulated to realize that the swinging rod and the transmission gear can rotate along the central shaft at the same time, and the transmission gear can continuously rotate along the central shaft after the swinging rod reaches the limiting position, so that the transition gear and the gear on the motor shaft are driven to rotate, and the rotation of the motor shaft is realized.
However, when the chain on the chain wheel is pulled, the structure overcomes the torque of the motor shaft, simultaneously overcomes the friction force generated by the friction plate arranged on the contact end surface of the transition gear and the swing rod and the elasticity of the torsion spring, so that the pulling of the chain is more laborious, and the torsion spring can rebound when being loosened, and the hand feeling is poor.
Disclosure of Invention
The utility model aims to solve the technical defects and provides a manual door opening and closing structure of a door opener, which can save more labor when a chain is manually pulled to open and close a door.
The utility model discloses a manual door opening and closing structure of a door opening machine, which comprises a box body, wherein a motor is arranged on the box body, one end of a motor rotating shaft is slidably sleeved with an outer spline sleeve, the rotating shaft can rotate with the outer spline sleeve, an inner spline sleeve is sleeved on the outer spline sleeve, the length of the outer spline sleeve is larger than that of the inner spline sleeve, the outer side of the inner spline sleeve is rotatably connected on the box body through a bearing, a chain wheel is coaxially and fixedly arranged on the outer side of the inner spline sleeve, a chain is arranged on the chain wheel, a limiting groove is arranged at the end part of the outer spline sleeve, which is close to the motor, a limiting protrusion matched with the limiting groove is arranged on the rotating shaft between the motor and the outer spline sleeve, a spring is arranged at the end of the outer spline sleeve, which is far away from the motor, one end of the spring is abutted against the outer spline sleeve, the other end of the spring is abutted against the box body, the edge of the outer spline sleeve is circumferentially provided with a baffle edge, one side of the control shaft is provided with a control shaft, the control shaft is rotatably arranged on the box body, the center line of the control shaft is intersected with the center line of the outer spline sleeve, the end part of the control shaft is eccentrically arranged on the chain wheel, the end part of the outer spline sleeve is abutted against the control shaft, the end part is arranged on the control shaft, and is abutted against the end part of the control shaft, and is far away from the control shaft, and is continuously arranged on the swing arm, and is in a direction opposite direction, and the end of the control shaft.
According to the utility model, the control shaft rotates by pulling the first pull rope or the second pull rope, the outer spline sleeve moves along the axial direction through the pressing protrusion eccentrically arranged and the retaining edge matched with the spring in the rotating process, when the outer spline sleeve moves in the direction away from the limiting protrusion, the spring is compressed, the limiting protrusion is separated from the limiting groove, the pressing protrusion cannot swing continuously after swinging furthest from the chain wheel due to the existence of the limiting structure, the pressing protrusion can prop against the outer spline sleeve to prevent the outer spline sleeve from rebounding under the action of the spring, at the moment, the chain wheel is pulled to idle, the force cannot be transmitted to the motor rotating shaft, when the control shaft rotates reversely, the outer spline sleeve moves towards the direction close to the limiting protrusion by virtue of the elasticity of the spring, the force is transmitted to the motor rotating shaft by virtue of the chain wheel, the motor rotating shaft can realize door opening or door closing, and the limiting protrusion cannot be blocked into the limiting groove even if the limiting protrusion fails to align with the limiting groove due to the fact that the limiting protrusion is blocked into the limiting groove due to the elasticity of the spring, and the limiting protrusion can be blocked into the limiting groove in the limiting groove too early time when the outer spline sleeve rotates due to the elasticity of the spring.
Further, the end of the external spline housing, which is close to the spring, is provided with an annular clamping groove, and the spring is clamped in the annular clamping groove, so that the spring is more stable in operation.
Further, be provided with the gripping member on No. one stay cord and No. two stay cords, the label has been pasted on the gripping member, and the gripping member is convenient for grasp, and convenient application of force, the effect of No. one stay cord and No. two stay cords of label identification of being convenient for.
According to the manual door opening and closing structure of the door opening machine, the first pull rope or the second pull rope is pulled to enable the control shaft to rotate forwards or reversely, so that the outer spline sleeve moves in a reciprocating mode along the axial direction through the pressing protrusion and the flange which are eccentrically arranged in a matching mode, the limiting protrusion is clamped with or separated from the limiting groove, when the limiting protrusion is clamped into the limiting groove, the motor rotating shaft is enabled to rotate through pulling the chain, and the manual door opening and closing structure is labor-saving, does not rebound after a user releases hands, and is good in hand feeling.
Drawings
FIG. 1 is a cross-sectional view of embodiment 1 of the present utility model;
FIG. 2 is a schematic illustration of the use of embodiment 1 of the present utility model;
FIG. 3 is a schematic representation of the use of example 1 of the present utility model.
Detailed Description
In order to further describe the technical means and effects adopted by the present utility model for achieving the intended purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects according to the present utility model with reference to the accompanying drawings and preferred embodiments.
Example 1:
as shown in fig. 1, 2 and 3, the utility model discloses a manual door opening and closing structure of a door opener, which comprises a box 17, wherein a motor is arranged on the box 17, one end of a motor rotating shaft 1 is slidably sleeved with an external spline sleeve 4, the rotating shaft 1 and the external spline sleeve 4 can rotate, an internal spline sleeve 5 is sleeved on the external spline sleeve 4, the length of the external spline sleeve 4 is longer than that of the internal spline sleeve 5, the outer side of the internal spline sleeve 5 is rotationally connected on the box 17 through a bearing 18, a sprocket 6 is coaxially and fixedly arranged on the outer side of the internal spline sleeve 5, a chain 7 is arranged on the sprocket 6, a limit groove 3 is arranged at the end part of the external spline sleeve 4, which is close to the motor, a limit protrusion 2 matched with the limit groove 3 is arranged on the rotating shaft 1 between the motor and the external spline sleeve 4, a spring 9 is arranged at the end of the external spline sleeve 4, which is close to the spring 9, an annular clamping groove is arranged at the end of the external spline sleeve 4, which is close to the spring 9, the spring 9 is clamped in the annular clamping groove, one end of the spring 9 is propped against the external spline housing 4, the other end of the spring 9 is propped against the box 17, a flange 8 is circumferentially arranged at the edge of the end of the external spline housing 4 far away from the motor, a control shaft 10 is arranged on one side of the flange 8 close to the chain wheel 6, the control shaft 10 is rotatably arranged on the box 17, the central extension line of the control shaft 10 is intersected with the central line of the external spline housing 4, the end of the control shaft 10 close to the external spline housing 4 is eccentrically provided with a propping bulge 12, the propping bulge 12 is propped against one side of the flange 8 close to the chain wheel 6, one end of the first pull rope 14 is clockwise wound on the control shaft 10 and the end of the first pull rope 13 is fixed with the control shaft 10, one end of the second pull rope 13 is anticlockwise wound on the control shaft 10 and the end of the second pull rope is fixed with the control shaft 10, the control shaft 10 is provided with a swing arm 11, the box 17 is provided with a limit structure for limiting the swing of the swing arm 11.
The first pull rope 14 and the second pull rope 13 are provided with a holding piece 15, and a label 16 is attached to the holding piece 15.
In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," etc. indicate or are based on the orientation or positional relationship shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; may be a mechanical connection; can be directly connected or indirectly connected through an intermediate medium, and can be in interaction relationship with two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.
In this application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by way of additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The present utility model is not limited to the preferred embodiments, but is capable of modification and variation in detail, and other modifications and variations can be made by those skilled in the art without departing from the scope of the present utility model.
Claims (3)
1. The manual door opening and closing structure of the door opener comprises a box body (17), a motor is arranged on the box body (17), and is characterized in that an outer spline sleeve (4) is arranged at one end of a motor rotating shaft (1) in a sliding mode, a limiting protrusion (2) matched with the limiting groove (3) is arranged on the rotating shaft (1) and the outer spline sleeve (4), an inner spline sleeve (5) is arranged on the outer spline sleeve (4) in a sleeved mode, the length of the outer spline sleeve (4) is larger than that of the inner spline sleeve (5), the outer side of the inner spline sleeve (5) is rotationally connected to the box body (17) through a bearing (18), a sprocket (6) is fixedly arranged on the outer side of the inner spline sleeve (5), a chain (7) is arranged on the sprocket (6), a limiting groove (3) is arranged at the end portion, close to the motor, of the rotating shaft (1) between the motor and the outer spline sleeve (4), a spring (9) is arranged at the end, far away from the motor, of the outer spline sleeve (4), one end of the spring (9) is propped against the outer spline sleeve (8), the other end of the motor (8) is propped against the outer spline sleeve (8) and is arranged on one side of the outer spline sleeve (8), the control shaft (10) rotates and sets up on box (17), the central extension line of control shaft (10) and the central line of external spline housing (4) intersect, the end tip eccentric that control shaft (10) is close to external spline housing (4) is provided with to press protruding (12), press protruding (12) to lean on one side that flange (8) leaned on sprocket (6), be provided with stay cord (14) and No. two stay cords (13) on control shaft (10), no. one stay cord (14) one end clockwise around establishing on control shaft (10) and tip and control shaft (10) are fixed, no. two stay cord (13) one end anticlockwise around establishing on control shaft (10) and tip and control shaft (10) are fixed, be provided with swing arm (11) on control shaft (10), be provided with the limit structure of restriction swing arm (11) on box (17).
2. The manual door opening and closing structure of the door opening machine according to claim 1, wherein the end, close to the spring (9), of the external spline housing (4) is provided with an annular clamping groove, and the spring (9) is clamped in the annular clamping groove.
3. The manual door opening and closing structure of a door opener according to claim 1 or 2, wherein a holding member (15) is provided on the first pull rope (14) and the second pull rope (13), and a label (16) is attached to the holding member (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322276963.1U CN220747981U (en) | 2023-08-24 | 2023-08-24 | Manual door opening and closing structure of door opener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322276963.1U CN220747981U (en) | 2023-08-24 | 2023-08-24 | Manual door opening and closing structure of door opener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220747981U true CN220747981U (en) | 2024-04-09 |
Family
ID=90563662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322276963.1U Active CN220747981U (en) | 2023-08-24 | 2023-08-24 | Manual door opening and closing structure of door opener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220747981U (en) |
-
2023
- 2023-08-24 CN CN202322276963.1U patent/CN220747981U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |