CN214590731U - Electric push rod with two-limit anti-clamping stagnation device - Google Patents
Electric push rod with two-limit anti-clamping stagnation device Download PDFInfo
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- CN214590731U CN214590731U CN202023303968.1U CN202023303968U CN214590731U CN 214590731 U CN214590731 U CN 214590731U CN 202023303968 U CN202023303968 U CN 202023303968U CN 214590731 U CN214590731 U CN 214590731U
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Abstract
The utility model discloses an electric push rod with a two-limit anti-clamping device, a driving motor is connected with a lead screw through a transmission belt assembly, a nut is assembled on the lead screw, the push rod is connected with the nut, and the linear expansion is realized along with the advance and retreat of the nut; the two ends of the screw rod are provided with locking rings at limit positions for limiting the advance and retreat limit positions of the nut, the locking rings protrude locking blocks on the outer circumference facing the direction of the nut, blocking and rotating blocks are arranged on the two ends of the nut and opposite to the protrusions, when the locking blocks are correspondingly clamped with the blocking and rotating blocks, and after the nut stops rotating, the driving motor starts overcurrent protection. In this way, the utility model discloses both ends extreme position at the nut stroke is equipped with the locking circle, and the back is gone up with the locking circle butt joint to the nut, and nut stall through the starter motor overcurrent protection, and motor stall has ensured the safe operation of motor, has guaranteed electric putter's whole quality and life.
Description
Technical Field
The utility model relates to an electric putter field especially relates to an electric putter with two limits prevent jamming device.
Background
The electric push rod is an electric driving device which converts the rotary motion of a motor into the linear reciprocating motion of the push rod. The device can be used as an execution machine in various simple or complex process flows to realize remote control, centralized control or automatic control.
The limit jamming can occur to the existing electric push rod, the phenomenon that the push rod cannot advance or retreat is caused, the jamming can not only influence the use of the electric push rod, but also cause the damage of the motor after overload, and the overall quality of the electric push rod is seriously influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides an electric putter with two limits anti-sticking stagnates device, can set for anti-sticking stagnates structure at two extreme position, avoids the phenomenon of push rod jamming and motor overload damage.
In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides an electric putter with two limits prevent clamping stagnation device includes: the driving motor is connected with the screw rod through the transmission belt assembly, the nut is assembled on the screw rod, and the push rod is connected with the nut and realizes linear expansion along with the advance and retreat of the nut;
the two ends of the screw rod are provided with locking rings at limit positions for limiting the advance and retreat limit positions of the nut, the locking rings protrude locking blocks on the outer circumference facing the direction of the nut, blocking and rotating blocks are arranged on the two ends of the nut and opposite to the protrusions, when the locking blocks are correspondingly clamped with the blocking and rotating blocks, and after the nut stops rotating, the driving motor starts overcurrent protection.
In a preferred embodiment of the present invention, the locking ring close to the driving motor is a nut locking ring, the locking ring away from the driving motor is a screw locking ring, and the distance between the nut locking ring and the screw locking ring is set according to the stroke of the push rod.
In a preferred embodiment of the present invention, the driving belt assembly includes a small belt wheel, a synchronous belt and a large belt wheel, the small belt wheel is connected to the driving motor, the synchronous belt connects the small belt wheel to the large belt wheel, and the large belt wheel is connected to one end of the screw rod through a connecting key.
In a preferred embodiment of the present invention, the nut has an inner groove, the push rod is assembled in the inner groove, and the depth of the inner groove is less than or equal to the thickness of the push rod.
In a preferred embodiment of the present invention, the end of the push rod is connected to the joint.
In a preferred embodiment of the present invention, the driving motor is a rare earth permanent magnet motor.
The utility model has the advantages that: the utility model discloses both ends extreme position at the nut stroke is equipped with the locking circle, and the back is gone up with the butt joint of locking circle to the nut, and nut stall through the starter motor overcurrent protection, and the safe operation of motor has been ensured to motor stall, has guaranteed electric putter's whole quality and life.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
fig. 1 is a schematic structural view of a preferred embodiment of the electric putter with two-pole anti-jamming device of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "front" and "rear" and the like are based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are conventionally placed when used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element to be referred must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless otherwise expressly stated or limited, the first feature may comprise both the first and second features directly contacting each other, and also may comprise the first and second features not being directly contacting each other but being in contact with each other by means of further features between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.
Referring to fig. 1, an embodiment of the present invention includes:
an electric putter with two limits anti-sticking device includes: the driving motor 1 is connected with the lead screw 2 through the transmission belt assembly, the nut 3 is assembled on the lead screw 2 and moves relative to the lead screw 2, the push rod 4 is connected with the nut 3, the end part of the push rod is connected with a joint, and linear expansion is realized along with advancing and retreating of the nut.
Wherein, the driving motor 1 is preferably a rare earth permanent magnet motor. Because the rare earth permanent magnet material has excellent magnetic performance, a strong permanent magnetic field can be established without external energy after the rare earth permanent magnet material is magnetized, and the rare earth permanent magnet motor manufactured by replacing the electric excitation field of the traditional motor has high efficiency, simple structure, reliable operation, small volume and light weight.
And the limit positions of two ends of the screw rod 2 are respectively provided with a locking ring for limiting the advance and retreat limit positions of the nut, the locking ring close to the driving motor 1 is a nut locking ring 21, the locking ring far away from the driving motor 1 is a screw rod locking ring 22, and the distance between the nut locking ring 21 and the screw rod locking ring 22 is set according to the stroke of the push rod.
The locking ring is all protruding a locking piece 23 on the outer circumference towards nut 3 direction, also be equipped with stifled commentaries on classics piece 31 for the arch on the nut 3 both ends, and when locking piece 23 and stifled commentaries on classics piece 31 correspond and block up, nut 3 stall back, driving motor starts overcurrent protection.
The locking block 23 and the locked rotor block 31 are regular, irregular or other blocks with locking and locked rotor functions.
The transmission belt assembly comprises a small belt wheel 51, a synchronous belt 52 and a large belt wheel 53, the small belt wheel 51 is connected with the driving motor 1, the synchronous belt 52 is connected with the small belt wheel 51 and the large belt wheel 53, the large belt wheel 53 is connected with one end of the screw rod 2 through a connecting key, and the large belt wheel transmits a rotating force to the screw rod.
An inner groove is formed in the nut 3, the push rod 4 is assembled in the inner groove, and the depth of the inner groove is smaller than or equal to the thickness of the push rod. The structure can save the inner space of the electric push rod, and the structure is more compact.
The utility model discloses both ends extreme position at the nut stroke is equipped with the locking circle, and the back is gone up with the butt joint of locking circle to the nut, and nut stall through the starter motor overcurrent protection, and the safe operation of motor has been ensured to motor stall, has guaranteed electric putter's whole quality and life.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, all included in the same way in the patent protection scope of the present invention.
Claims (6)
1. The utility model provides an electric putter with two limits prevent jamming device which characterized in that includes: the driving motor is connected with the screw rod through the transmission belt assembly, the nut is assembled on the screw rod, and the push rod is connected with the nut and realizes linear expansion along with the advance and retreat of the nut;
the two end limit positions of the screw rod are provided with locking rings for limiting the advance and retreat limit positions of the nut, the locking rings protrude locking blocks on the outer circumference facing the direction of the nut, the two ends of the nut are provided with locked-rotor blocks corresponding to the locking blocks, when the locking blocks are correspondingly clamped with the locked-rotor blocks, and after the nut stops rotating, the driving motor starts overcurrent protection.
2. The electric putter with two-pole anti-jamming device according to claim 1, wherein the locking ring close to the driving motor is a nut locking ring, the locking ring far from the driving motor is a lead screw locking ring, and the distance between the nut locking ring and the lead screw locking ring is set according to the stroke of the putter.
3. The electric putter with two-pole anti-jamming device as claimed in claim 1, wherein the transmission belt assembly comprises a small pulley, a synchronous belt and a large pulley, the small pulley is connected with the driving motor, the synchronous belt connects the small pulley and the large pulley, and the large pulley is connected with one end of the lead screw through a connecting key.
4. The electric push rod with two-limit anti-clamping stagnation device according to claim 1, characterized in that an inner groove is formed on the nut, the push rod is assembled in the inner groove, and the depth of the inner groove is less than or equal to the thickness of the push rod.
5. The power putter with two-pole anti-binding device of claim 1 wherein the end of the putter is connected to a connector.
6. The electric putter with two-pole anti-binding hysteresis device of claim 1 wherein the driving motor is a rare earth permanent magnet motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023303968.1U CN214590731U (en) | 2020-12-31 | 2020-12-31 | Electric push rod with two-limit anti-clamping stagnation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023303968.1U CN214590731U (en) | 2020-12-31 | 2020-12-31 | Electric push rod with two-limit anti-clamping stagnation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214590731U true CN214590731U (en) | 2021-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023303968.1U Active CN214590731U (en) | 2020-12-31 | 2020-12-31 | Electric push rod with two-limit anti-clamping stagnation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214590731U (en) |
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2020
- 2020-12-31 CN CN202023303968.1U patent/CN214590731U/en active Active
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