CN215255392U - Small-size electronic unblock executor of function is replied from in area - Google Patents
Small-size electronic unblock executor of function is replied from in area Download PDFInfo
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- CN215255392U CN215255392U CN202121622225.2U CN202121622225U CN215255392U CN 215255392 U CN215255392 U CN 215255392U CN 202121622225 U CN202121622225 U CN 202121622225U CN 215255392 U CN215255392 U CN 215255392U
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Abstract
The utility model discloses a small-sized electric unlocking actuator with a self-return function, which comprises a shell, wherein a power source is arranged in the shell; the screw rod is provided with a transmission unit, the transmission unit is connected with a power source, and the power source can drive the screw rod to rotate through the transmission unit; one end of the nut is connected with the unlocking stay cable, the other end of the nut is sleeved on the screw rod in a threaded manner, and the nut can horizontally reciprocate along the axis direction of the screw rod; the automatic return unit is arranged at one end, far away from the nut, of the screw rod, and can drive the screw rod to automatically rotate to drive the nut to move and reset when the power source does not act; and the stroke adjusting unit is arranged at one end, close to the automatic return unit, of the nut and can adjust the movement limit position of the nut on the screw rod. The utility model discloses can adjust the unblock stroke, simultaneously, the utility model discloses still have simple structure compactness, low in manufacturing cost's advantage.
Description
Technical Field
The utility model relates to a cable executor technical field especially relates to a small-size electronic unblock executor of function is replied from in area.
Background
Currently, there is a wide variety of cable actuators on the automotive market, which is a device that allows for the remote release of any latch in a vehicle. After receiving the control signal, the inhaul cable actuator converts electric power into mechanical power, pulls the inhaul cable, further drives the unlocking mechanism, and can be used for achieving the unlocking functions of mechanisms such as a central armrest, an oil tank cover, a vehicle door lock, a charging port and a headrest. The inhaul cable actuator in the prior art has the defects of complex product structure, high manufacturing cost, fixed adjusting stroke and the like.
SUMMERY OF THE UTILITY MODEL
In view of the above, there is a need to provide a compact, low-cost, stroke-adjustable, small-sized electric unlocking actuator with self-return function.
A small-size electronic unblock executor of function from replying in area includes:
the power source is arranged in the shell;
the screw rod is provided with a transmission unit, the transmission unit is connected with the power source, and the power source can drive the screw rod to rotate through the transmission unit;
one end of the nut is connected with the unlocking stay cable, the other end of the nut is sleeved on the screw rod in a threaded manner, and the nut can horizontally reciprocate along the axis direction of the screw rod;
the automatic return unit is arranged at one end, far away from the nut, of the screw rod, and when the power source does not act, the automatic return unit can drive the screw rod to automatically rotate so as to drive the nut to move and reset;
and the stroke adjusting unit is arranged at one end, close to the automatic return unit, of the nut, and can adjust the movement limit position of the nut on the screw rod.
In one embodiment, the stroke adjusting unit comprises a U-shaped rubber pad and a stroke adjusting block;
the U-shaped rubber pad comprises an integrally formed rubber pad body, limiting strips and axial limiting bosses, wherein the limiting strips are symmetrically arranged at the upper end and the lower end of the rubber pad body, and the axial limiting bosses are arranged at the tail ends of the limiting strips;
the stroke adjusting blocks are symmetrically arranged at the upper end and the lower end of the nut, a first groove and a second groove which are communicated with each other are arranged on the stroke adjusting blocks, the first groove is parallel to the axis of the screw rod, and the second groove is perpendicular to the axis of the screw rod; the limiting strip is matched with the first groove, and the axial limiting boss is matched with the second groove.
In one embodiment, a plurality of anti-collision protrusions are arranged on the outer side end face of the rubber pad body and the outer side end face of the axial limiting boss.
In one embodiment, the front side and the rear side of the nut are symmetrically provided with limiting sliding blocks respectively, the inner side wall of the shell is provided with a horizontal sliding groove, and the limiting sliding blocks are arranged in the horizontal sliding groove in a sliding manner.
In one embodiment, the housing includes a case cover and a case body, the case cover is provided with a cantilever fastener, the case body is provided with a connecting boss, and the cantilever fastener is matched with the connecting boss.
In one embodiment, the box body is internally provided with a mounting groove, the power source is a motor, the motor is mounted in the mounting groove, and a rib plate is arranged between the mounting groove and the shell of the motor.
In one embodiment, the motor is connected to the mounting hole of the mounting groove via a fabricated terminal having a saw-tooth shape.
In one embodiment, the transmission unit comprises an input gear and an output gear which are matched with each other, the input gear is connected with the motor, and the output gear is integrally formed with the screw rod.
In one embodiment, the automatic recovery unit comprises a torsion spring and a cover, wherein an inner hook of the torsion spring is in spline fit with the screw rod, an outer hook of the torsion spring is fixed on the cover, and the cover is fixed in the shell.
In one embodiment, the lead screw is half-threaded.
Above-mentioned small-size electronic unblock executor of function is replied from in area is through the removal extreme position of stroke regulating unit adjusting nut on the lead screw to effective stroke that can adjusting nut makes the unblock stroke adjustable, simultaneously, the utility model discloses still have advantages such as simple structure is compact, low in manufacturing cost.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is an exploded view of a small-sized electric unlocking actuator with a self-return function according to the present invention;
fig. 2 is a mounting state diagram of the stroke adjusting unit according to the first embodiment of the present invention;
fig. 3 is a schematic structural diagram of the stroke adjusting unit of the present invention;
FIG. 4 is a schematic structural view of a U-shaped rubber pad of the present invention;
FIG. 5 is a schematic structural view of the stroke adjusting block of the present invention;
fig. 6 is a mounting state diagram of a stroke adjusting unit according to a second embodiment of the present invention;
fig. 7 is a schematic structural diagram of the box body of the present invention;
fig. 8 is a schematic structural view of the case cover of the present invention;
fig. 9 is a schematic structural view of the mounting groove of the present invention;
fig. 10 is a schematic view of the position of the mounting hole of the present invention;
fig. 11 is a view showing an installation state of the fabricated terminal and the motor according to the present invention;
fig. 12 is a schematic structural view of the transmission unit of the present invention;
fig. 13 is another schematic structural view of the screw rod of the present invention;
fig. 14 is a schematic structural view of the automatic return unit of the present invention;
fig. 15 is a schematic structural view of the initial state of the present invention;
fig. 16 is a schematic structural view of the power-on state of the present invention;
fig. 17 is a schematic structural diagram of an initial state of another embodiment of the present invention;
fig. 18 is a schematic structural view of an energized state according to another embodiment of the present invention.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, an embodiment of the present invention provides a small-sized electric unlocking actuator with a self-return function, including: the device comprises a shell 1, a power source 2, a screw rod 3, a nut 4, an automatic return unit 5, a transmission unit 6 and a stroke adjusting unit 7.
A power source 2 is arranged in the shell 1; the screw rod 3 is provided with a transmission unit 6, the transmission unit 6 is connected with the power source 2, and the power source 2 can drive the screw rod 3 to rotate through the transmission unit 6; one end of the nut 4 is connected with an unlocking cable, the other end of the nut 4 is sleeved on the screw rod 3 in a threaded manner, and the nut 4 can horizontally reciprocate along the axis direction of the screw rod 3; the automatic return unit 5 is arranged at one end of the screw rod 3, which is far away from the nut 4, and when the power source 2 does not act, the automatic return unit 5 can drive the screw rod 3 to automatically rotate so as to drive the nut 4 to move and reset; the stroke adjusting unit 7 is arranged at one end, close to the automatic return unit 5, of the nut 4, and the stroke adjusting unit 7 can adjust the moving limit position of the nut 4 on the screw rod.
Above-mentioned small-size electronic unblock executor of function is replied from area is through the removal extreme position of 7 adjusting nut 4 on lead screw 3 of stroke regulating unit to effective stroke that can adjusting nut 4 makes the unblock stroke adjustable, simultaneously, the utility model discloses still have advantages such as simple structure is compact, low in manufacturing cost.
Referring to fig. 2-5, in an embodiment of the present invention, the stroke adjusting unit 7 includes a U-shaped rubber pad 71 and a stroke adjusting block 72;
the U-shaped rubber pad 71 comprises a rubber pad body 711, a limiting strip 712 and an axial limiting boss 713, wherein the rubber pad body 711, the limiting strip 712 and the axial limiting boss 713 are integrally formed, the limiting strip 712 is symmetrically arranged at the upper end and the lower end of the rubber pad body 711, and the axial limiting boss 713 is arranged at the tail end of the limiting strip 712;
the stroke adjusting block 72 is symmetrically arranged at the upper end and the lower end of the nut 4, a first groove 721 and a second groove 722 which are mutually communicated are arranged on the stroke adjusting block 72, the first groove 721 is parallel to the axis of the screw rod 3, and the second groove 722 is perpendicular to the axis of the screw rod 3; the stopper 712 is engaged with the first groove 721, and the axial stopper 713 is engaged with the second groove 722.
In this embodiment, the U-shaped rubber pad 71 can be very conveniently mounted on the nut 4 through the limiting strip 712 and the axial limiting boss 713, the mounting is firm and reliable, and the rubber pad body 711 and the axial limiting boss 713 can respectively provide support at left and right blocking points, thereby reducing noise. In addition, the stroke adjusting block 72 arranged on the nut 4 is used for limiting the U-shaped rubber pad 71 in the left-right direction, so that the U-shaped rubber pad is prevented from being separated from the nut 4 when the collision point occurs.
It should be noted that, in this embodiment, the U-shaped rubber pad 71 and the stroke adjusting block 72 may be assembled and connected as two parts, and in some embodiments, the U-shaped rubber pad 71 and the stroke adjusting block 72 may be made into one part by selecting a soft material and performing a plastic coating process, so as to achieve the noise reduction and buffering effects.
Referring to fig. 6, in another embodiment of the present invention, the distance between the stroke adjusting block 72 and the end surface of the nut 4 is increased, so that the stroke of the nut 4 can be reduced. It should be noted that, in the utility model, when the stroke needs to be adjusted, the main characteristics of the parts are not changed, and the stroke adjusting block 72 and the U-shaped rubber pad 71 are changed during the manufacturing process, so that the structure is simple and reliable, and the complexity of the product is reduced.
Optionally, in order to further reduce noise, a plurality of bump guards 73 are provided on the outer side end surface of the rubber mat body 711 and the outer side end surface of the axial stopper 713.
Referring to fig. 5 and 7, in an embodiment of the present invention, the left and right sides of the nut 4 are symmetrically provided with a limiting slider 41, the inner side wall of the housing 1 is provided with a horizontal sliding groove 11, and the limiting slider 41 is slidably disposed in the horizontal sliding groove 11. Specifically, the upper and lower surfaces of the limiting slide block 41 can be matched with the upper and lower side walls of the horizontal sliding groove 11 to prevent the nut 4 from moving up and down. It should be noted that the side walls of the front and rear sides of the stroke adjusting block 72 can be matched with the side walls of the housing 1 outside the horizontal sliding chute 11, so as to prevent the nut 4 from rotating and enable the nut to translate along the axial direction.
Referring to fig. 8-9, in an embodiment of the present invention, the housing 1 includes a case cover 12 and a case body 13, the case cover 12 is provided with a cantilever fastener 14, the case body 13 is provided with a connecting boss 15, and the cantilever fastener 14 is engaged with the connecting boss 15. So set up, its simple process, convenient assembling, it is with low costs.
Referring to fig. 10, in an embodiment of the present invention, the box 13 has a mounting groove 131 inside, the power source 2 is a motor, the motor is mounted in the mounting groove 131, and a rib 132 is disposed between the mounting groove 131 and a housing of the motor. In this embodiment, the motor has a small power and a small size, and can be wrapped in the case body 13 and the case cover 12 and positioned by the shape of the mounting groove 131. Optionally, the motor is radially supported and axially limited by the rib plate 132; the ribs 132 may have a slight interference with the plastic housing of the motor to reduce the transmission of vibrations.
Referring to fig. 10 and 11, the motor is connected to the mounting hole 135 of the mounting groove 131 through the mounting terminal 133, and the mounting terminal 133 is provided with saw-teeth 134. The fabricated terminal 133 is a connector, and the shape thereof can be replaced according to different requirements; the serrated 134 feature on the assembled terminal 133 may be press fit into the housing 13 by interference to facilitate assembly.
Referring to fig. 11-12, in an embodiment of the present invention, the transmission unit 6 includes an input gear 61 and an output gear 62 that are engaged with each other, the input gear 61 is connected to the motor, and the output gear 62 is integrally formed with the screw rod 3. When the motor drives the input gear 61 to rotate, the lead screw 3 is rotated by the mutual engagement of the output gear 62 and the input gear 61.
Optionally, the lead screw 3 is of a half-threaded type. Therefore, the process is simple, the transmission efficiency is high, and the part machining and manufacturing efficiency is high. Referring to fig. 13, in other embodiments of the present invention, different half-thread types may be adopted, and the mold may be half-removed, so that the processing is convenient.
Referring to fig. 14, the automatic restoring unit 5 includes a torsion spring 51 and a cover 52, an inner hook of the torsion spring 51 is spline-fitted to the lead screw 3, an outer hook of the torsion spring 51 is fixed to the cover 52, and the cover 52 is fixed to the housing 1. In this embodiment, when the motor is powered on, the torsion spring 51 and the screw rod 3 rotate in the same direction to store torque energy; when the motor is powered off, the torsion spring 51 can reversely drive the screw rod 3, and the self-recovery function of the mechanism assembly is realized.
The working process of the utility model is as follows:
referring to fig. 15, in the initial state, the nut 4 is located at the rightmost side, and the cable is in a relaxed state;
referring to fig. 16, when the motor is powered on, the nut 4 moves horizontally to the left, the cable is in a tensioned state, and the external mechanism is unlocked; when the motor is powered off, the torsion spring 51 reversely drives the nut to horizontally move towards the right side until the nut cannot move; the mechanism returns to the initial state. In some embodiments, if the automatic recovery unit 5 is not arranged, the nut is driven to horizontally move towards the right side after the motor needs to be powered reversely for a certain time until the nut cannot move; the mechanism reverts to the starting state.
In other embodiments, if the external mechanism is a push rod, as shown in fig. 17, in the initial state, the nut 4 is at the leftmost position and the push rod is in a relaxed state; referring to fig. 18, when the motor is powered on, the nut 4 moves horizontally to the right, and the push rod is in a stressed state, so that the pushing mechanism can be completed. When the motor is powered off, the torsion spring 51 reversely drives the nut to horizontally move towards the left side until the nut cannot move; the mechanism returns to the initial state. In some embodiments, if the automatic recovery unit 5 is not arranged, the motor needs to be powered reversely for a certain time, and then the nut is driven to horizontally move towards the left side until the nut cannot move; the mechanism reverts to the starting state.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-described examples merely represent several embodiments of the present application and are not to be construed as limiting the scope of the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The utility model provides a small-size electronic unblock executor of function is replied from in area which characterized in that includes:
the power source is arranged in the shell;
the screw rod is provided with a transmission unit, the transmission unit is connected with the power source, and the power source can drive the screw rod to rotate through the transmission unit;
one end of the nut is connected with the unlocking stay cable, the other end of the nut is sleeved on the screw rod in a threaded manner, and the nut can horizontally reciprocate along the axis direction of the screw rod;
the automatic return unit is arranged at one end, far away from the nut, of the screw rod, and when the power source does not act, the automatic return unit can drive the screw rod to automatically rotate so as to drive the nut to move and reset;
and the stroke adjusting unit is arranged at one end, close to the automatic return unit, of the nut, and can adjust the movement limit position of the nut on the screw rod.
2. The small-sized electric unlocking actuator with self-return function according to claim 1, wherein said stroke adjusting unit includes a U-shaped rubber pad and a stroke adjusting block;
the U-shaped rubber pad comprises an integrally formed rubber pad body, limiting strips and axial limiting bosses, wherein the limiting strips are symmetrically arranged at the upper end and the lower end of the rubber pad body, and the axial limiting bosses are arranged at the tail ends of the limiting strips;
the stroke adjusting blocks are symmetrically arranged at the upper end and the lower end of the nut, a first groove and a second groove which are communicated with each other are arranged on the stroke adjusting blocks, the first groove is parallel to the axis of the screw rod, and the second groove is perpendicular to the axis of the screw rod; the limiting strip is matched with the first groove, and the axial limiting boss is matched with the second groove.
3. The small-sized electric unlocking actuator with the self-return function as claimed in claim 2, wherein a plurality of anti-collision protrusions are provided on the outer side end face of the rubber pad body and the outer side end face of the axial limit boss.
4. The small-sized electric unlocking actuator with the self-return function as claimed in claim 3, wherein the front and rear sides of the nut are symmetrically provided with a limit slider respectively, the inner side wall of the housing is provided with a horizontal sliding groove, and the limit slider is slidably provided into the horizontal sliding groove.
5. The small-sized electric unlocking actuator with the self-return function according to claim 1, wherein the housing includes a cover and a housing, the cover is provided with a cantilever latch, the housing is provided with a connection boss, and the cantilever latch is engaged with the connection boss.
6. The small-sized electric unlocking actuator with the self-return function according to claim 5, wherein the box body has a mounting groove therein, the power source is a motor, the motor is mounted in the mounting groove, and a rib is provided between the mounting groove and a housing of the motor.
7. The small electric release actuator with self-return function according to claim 6, wherein the motor is connected to the mounting hole of the mounting groove through a fabricated terminal having a saw-tooth shape.
8. The small electric release actuator with self-return function according to claim 6 or 7, wherein the transmission unit includes an input gear and an output gear which are engaged with each other, the input gear is connected to the motor, and the output gear is integrally formed with the screw rod.
9. The small electric unlocking actuator with the self-return function according to claim 1, wherein the automatic return unit includes a torsion spring and a cover, an inner hook of the torsion spring is spline-fitted to the lead screw, an outer hook of the torsion spring is fixed to the cover, and the cover is fixed to the housing.
10. The small-sized electric unlocking actuator with self-return function as claimed in claim 1, wherein said screw is of a half-screw type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121622225.2U CN215255392U (en) | 2021-07-16 | 2021-07-16 | Small-size electronic unblock executor of function is replied from in area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121622225.2U CN215255392U (en) | 2021-07-16 | 2021-07-16 | Small-size electronic unblock executor of function is replied from in area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215255392U true CN215255392U (en) | 2021-12-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121622225.2U Active CN215255392U (en) | 2021-07-16 | 2021-07-16 | Small-size electronic unblock executor of function is replied from in area |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215255392U (en) |
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2021
- 2021-07-16 CN CN202121622225.2U patent/CN215255392U/en active Active
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