CN221075990U - Section-by-section lifting structure of electric rod - Google Patents

Section-by-section lifting structure of electric rod Download PDF

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Publication number
CN221075990U
CN221075990U CN202322238746.3U CN202322238746U CN221075990U CN 221075990 U CN221075990 U CN 221075990U CN 202322238746 U CN202322238746 U CN 202322238746U CN 221075990 U CN221075990 U CN 221075990U
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screw
seat
wall
section
nut
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CN202322238746.3U
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Chinese (zh)
Inventor
刘克锋
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Nanjing Dewoke Automation Co ltd
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Nanjing Dewoke Automation Co ltd
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Abstract

The utility model discloses an electric rod section-by-section lifting structure which comprises a base, wherein an outer sleeve is fixedly welded on one side of the base, a fixing seat is fixedly welded on one end of the outer sleeve, a ball bearing is fixedly arranged on the inner wall of one end of the outer sleeve, a motor is fixedly arranged on one side of the base, an output end of the motor is movably connected with a screw rod through a coupler, a screw rod nut II is arranged outside the screw rod, an outer screw seat is fixedly arranged on the outer wall of the screw rod nut II through a bolt, a cylindrical block is fixedly welded on one end of the outer screw seat, a fixing seat is fixedly welded on one end of the outer sleeve, the cylindrical block is in contact with the fixing seat, a screw rod nut I is movably connected on the outer wall of the screw rod through threads, an inner screw seat is fixedly arranged on the outer wall of the screw rod nut I through a bolt, and the outer wall of the inner screw seat is in contact with the inner wall of the outer screw seat.

Description

Section-by-section lifting structure of electric rod
Technical Field
The utility model relates to the technical field of electric telescopic rods, in particular to a section-by-section lifting structure of an electric rod.
Background
The electric telescopic rod is a rod capable of automatically extending and shortening and is generally used in the fields of shooting, measurement, teaching and the like. The telescopic mechanism consists of a plurality of telescopic joints, and the telescopic mechanism is driven by a motor to realize the telescopic operation between each two joints.
The electric telescopic rod has the advantages of being capable of adjusting the length rapidly, being convenient to use and being capable of being controlled through a remote controller or a mobile phone APP and the like. In addition, some high-end models also have shockproof, waterproof and other functions, and are suitable for use in various complex environments.
However, single-stage motorized telescopic rods also have some drawbacks. Because the single section has a limited length, a large expansion range cannot be achieved. Therefore, it is necessary to design a multi-section type electric rod section-by-section lifting structure.
Disclosure of utility model
In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides an electric pole is elevation structure festival by festival, includes the base, there is outer sleeve one side of base through welded fastening, outer telescopic one end is through welded fastening there is the fixing base, outer telescopic one end inner wall fixed mounting has ball bearing, one side of base is through welded fastening installs the motor, the output of motor has the lead screw through shaft coupling swing joint, the outside of lead screw is provided with screw nut two, screw nut two's outer wall is through the bolt fastening outer screw seat.
According to the technical scheme, the cylindrical block is fixed at one end of the outer nut seat through welding, the fixing seat is fixed at one end of the outer sleeve through welding, and the cylindrical block is in contact with the fixing seat.
According to the technical scheme, the outer wall of the screw rod is movably connected with the screw rod nut I through threads, the inner screw seat is fixed on the outer wall of the screw rod nut I through bolts, and the outer wall of the inner screw seat is contacted with the inner wall of the outer screw seat.
According to the technical scheme, the one end of interior screw seat is through welded fastening having the cover that strengthens, the one end of strengthening the cover is through the bolt fastening having the top flange, the uide bushing is installed to the inner wall of strengthening the cover, the inner wall of uide bushing contacts with the outer wall of lead screw.
According to the technical scheme, the side wall of the inner nut seat is provided with the lock tongue limiting hole, the inner wall of the outer nut seat is fixedly provided with the lock tongue through welding, and the lock tongue is matched with the lock tongue limiting hole in a mutually clamping way.
According to the technical scheme, one side of the fixing seat is correspondingly fixedly provided with the locking mechanism through welding, one side of the cylindrical block is correspondingly provided with the locking hole, and the locking hole is matched with the locking mechanism in a mutually clamping way.
Compared with the prior art, the utility model has the following beneficial effects: according to the utility model, through the cooperation of the two screw nuts and the lock tongue locking mechanism, the electric telescopic rod achieves the telescopic effect of multiple sections, and stretching is not needed to be performed manually, and stretching time is controlled by means of mechanical automatic action, so that the electric telescopic rod is very convenient.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of the overall side cross-sectional structure of the present utility model;
FIG. 3 is a schematic view of the internal screw seat structure of the present utility model;
FIG. 4 is a schematic view of the latch mechanism and the latch hole according to the present utility model;
FIG. 5 is a schematic cross-sectional view of the male screw seat of the present utility model;
In the figure: 1. an outer sleeve; 2. a cylindrical block; 3. a top flange; 31. a reinforcing sleeve; 32. a guide sleeve; 33. an inner nut seat; 34. a screw nut I; 21. an outer nut seat; 22. a screw rod nut II; 35. a lock tongue limit hole; 28. a bolt; 12. a fixing seat; 2. a movable seat; 11. a base; 13. a motor; 14. a ball bearing; 15. a screw rod; 121. a locking mechanism; 25. a lock hole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, the present utility model provides the following technical solutions: the electric rod section-by-section lifting structure comprises a base 11, wherein an outer sleeve 1 is fixedly welded on one side of the base 11, a fixed seat 12 is fixedly welded on one end of the outer sleeve 1, a ball bearing 14 is fixedly installed on the inner wall of one end of the outer sleeve 1, a motor 13 is fixedly welded on one side of the base 11, a screw rod 15 is movably connected to the output end of the motor 13 through a coupler, a screw rod nut II 22 is arranged outside the screw rod 15, an outer screw seat 21 is fixedly arranged on the outer wall of the screw rod nut II 22 through a bolt, and when the electric rod is required to be stretched, the motor 13 is started to drive the screw rod 15 to rotate so as to drive the screw rod nut II 22 to perform translational motion, and the stretching degree is adjusted;
The screw rod 15 is rotationally connected with the ball bearing 14, and the centering of the screw rod 15 is maintained through the ball bearing 14;
one end of the outer nut seat 21 is fixedly provided with a cylindrical block 2 through welding, one end of the outer sleeve 1 is fixedly provided with a fixed seat 12 through welding, the cylindrical block 2 is contacted with the fixed seat 12, and the retraction length of the outer nut seat 21 is determined through the contact between the cylindrical block 2 and the fixed seat 12;
The outer wall of the screw rod 15 is movably connected with a screw nut I34 through threads, the outer wall of the screw nut I34 is fixedly provided with an inner screw seat 33 through a bolt, the outer wall of the inner screw seat 33 is contacted with the inner wall of the outer screw seat 21, the screw nut I34 cannot translate along with the rotation of the screw rod 15 at the beginning, and is initially positioned at a polished rod position, and only when the outer screw seat 21 is driven by the inner screw seat 33, the screw nut I34 can translate until being meshed with the screw rod 15 to perform threaded movement;
The sliding rail and sliding block combination which limits rotation and does not obstruct translation is arranged between the inner screw seat 33 and the outer screw seat 21 and between the outer screw seat 21 and the outer sleeve 1, so that the smooth translation movement of the outer screw seat 21 and the inner screw seat 33 is convenient without triggering rotation;
One end of the inner nut seat 33 is fixedly provided with a reinforcing sleeve 31 through welding, one end of the reinforcing sleeve 31 is fixedly provided with a top flange 3 through a bolt, the inner wall of the reinforcing sleeve 31 is provided with a guide sleeve 32, the inner wall of the guide sleeve 32 is contacted with the outer wall of the screw rod 15, and a guide effect is formed on the other end of the screw rod 15 through the guide sleeve 32;
The side wall of the inner screw seat 33 is provided with a lock tongue limit hole 35, the inner wall of the outer screw seat 21 is fixedly provided with a lock tongue 28 through welding, the lock tongue 28 and the lock tongue limit hole 35 are mutually clamped and matched, when the first screw nut 34 does not move to the top end, no rigid acting force exists between the inner screw seat 33 and the outer screw seat 21, the outer screw seat 21 cannot be driven to move, when the first screw nut 34 is moved to the limit position, because the lock tongue 28 and the lock tongue limit hole 35 are clamped and matched, the inner screw seat 33 and the outer screw seat 21 form an integrated structure, so that the second screw nut 22 is conveniently driven to move continuously until the second screw nut 22 reaches the position of a screw thread and is matched with the screw 15 to be in threaded engagement movement;
The spring is arranged between the lock tongue 28 and the installation position of the outer nut seat 21, and the lock tongue is similar to a locking mechanism of an umbrella, so that the purpose of pressing and restoring to the original position and releasing to achieve the clamping connection is achieved.
One side of the fixing seat 12 is correspondingly provided with a locking mechanism 121 through welding, one side of the cylindrical block 2 is correspondingly provided with a locking hole 25, the locking hole 25 is matched with the locking mechanism 121 in a clamping manner, through the matching of the locking hole 25 and the locking mechanism 121, when the first screw nut 34 does not move to the top end, the limiting effect is achieved, the cylindrical block 2 is prevented from moving outwards due to the friction force of the inner screw seat 33, and only after the inner screw seat 33 and the outer screw seat 21 are clamped into an integral structure due to the locking bolt 28, the locking mechanism 121 and the locking hole 25 are separated from each other.
The specific structure of the latch mechanism 121 is disclosed in another patent by the applicant and is not described in detail herein.
The trapezoidal thread transmission of the screw rod and the nut belongs to sliding friction, and has self-locking at any position within the range of travel.
The uppermost end of the electric rod and the part with the smallest diameter of the pipe joint are generally provided with flanges at the top ends and are connected with the lifted product in an installation way; the reinforcing inner sleeve is additionally arranged in the rod body to increase the bearing capacity of the top pipe joint, and the guide sleeve is arranged at the lower part of the inner sleeve to avoid overlarge deviation when the screw rod rotates. The bottom is provided with a screw seat and a screw nut is arranged in the screw seat. When the pipe joint ascends or descends, the screw is fixed, and the screw rod rotates.
The upper part of the middle section of the electric rod is provided with 2 lock seat mechanisms, the lock seat mechanisms are symmetrically arranged, when the 3 rd section is unfolded and stretches out to be in place, a lock tongue in the lock seat stretches out and is inserted into a limiting waist-shaped hole on the 3 rd section pipe body, meanwhile, the 3 rd section rod screw seat is contacted with the 2 nd section pipe bushing, if the electric rod continues stretching out, the 3 rd section can be lifted up with the 2 nd section synchronously (at the moment, the 3 rd section screw is still screwed with the screw rod, the 2 nd section rod screw is not screwed with the screw rod) until the 2 nd section screw is screwed with the screw rod (at the moment, the 3 rd section rod screw is disconnected with the screw rod when the 2 nd section screw rod continues to be screwed with the screw rod at the same time for a small section distance, at the moment, the 3 rd section rod is combined with the 3 rd section pipe bushing into a whole by means of the lock tongue on the 2 nd section, and the screw rod continue to be screwed up by means of the 2 nd section screw rod.
If the electric rod is multi-section, the rest middle sections repeat the steps, and the upper section of the electric rod is sequentially extended from the lower section. For example, if the number of the knots is 8, the knots 8 and 7 are unfolded, the knots 7 and 6 are unfolded … …, until the knots 3 and 2 are unfolded, and the first knot (the thickest knot in diameter) is a fixed knot.
The electric pole is the pipe section of the lower most, and pipe section diameter is biggest, and pipe section upper portion has the flange, installs latch mechanism, and when the 2 nd section retracted position, latch mechanism and lock seat cooperation, the spring bolt in the lock seat is retracted by the slot hole of pipe section 3, unblock 3 rd section, separates 2 nd section and 3 rd section. The lower part of the pipe joint is provided with a bearing seat, and a bearing is arranged in the bearing seat to play a role in rotating and supporting the screw rod. The 1 st section bar is a fixed bar without screw nut.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. The utility model provides an electric pole is elevation structure festival by festival, includes base (11), its characterized in that: one side of base (11) is through welded fastening has outer sleeve (1), welded fastening has fixing base (12) through the one end of outer sleeve (1), one end inner wall fixed mounting of outer sleeve (1) has ball bearing (14), one side of base (11) is through welded fastening installs motor (13), the output of motor (13) is through shaft coupling swing joint has lead screw (15), the outside of lead screw (15) is provided with screw nut two (22), the outer wall of screw nut two (22) is through bolt fastening has outer screw seat (21).
2. The electric pole section-by-section lifting structure of claim 1, wherein: one end of the outer nut seat (21) is fixedly provided with a cylindrical block (2) through welding, and the cylindrical block (2) is contacted with the fixed seat (12).
3. The electric pole section-by-section lifting structure according to claim 2, wherein: the outer wall of the screw rod (15) is movably connected with a screw nut I (34) through threads, an inner screw seat (33) is fixed on the outer wall of the screw nut I (34) through bolts, and the outer wall of the inner screw seat (33) is contacted with the inner wall of the outer screw seat (21).
4. A motorized pole-section lifting structure as set forth in claim 3, wherein: one end of the inner nut seat (33) is fixedly provided with a reinforcing sleeve (31) through welding, one end of the reinforcing sleeve (31) is fixedly provided with a top flange (3) through bolts, the inner wall of the reinforcing sleeve (31) is provided with a guide sleeve (32), and the inner wall of the guide sleeve (32) is in contact with the outer wall of the screw rod (15).
5. The electric pole section-by-section lifting structure of claim 4, wherein: the side wall of the inner nut seat (33) is provided with a lock tongue limiting hole (35), the inner wall of the outer nut seat (21) is fixedly provided with a lock tongue (28) through welding, and the lock tongue (28) is matched with the lock tongue limiting hole (35) in a mutually clamping way.
6. The electric pole section-by-section lifting structure of claim 5, wherein: one side of the fixing seat (12) is correspondingly fixedly provided with a locking mechanism (121) through welding, one side of the cylindrical block (2) is correspondingly provided with a lock hole (25), and the lock hole (25) is mutually clamped and matched with the locking mechanism (121).
CN202322238746.3U 2023-08-21 2023-08-21 Section-by-section lifting structure of electric rod Active CN221075990U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322238746.3U CN221075990U (en) 2023-08-21 2023-08-21 Section-by-section lifting structure of electric rod

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322238746.3U CN221075990U (en) 2023-08-21 2023-08-21 Section-by-section lifting structure of electric rod

Publications (1)

Publication Number Publication Date
CN221075990U true CN221075990U (en) 2024-06-04

Family

ID=91252017

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322238746.3U Active CN221075990U (en) 2023-08-21 2023-08-21 Section-by-section lifting structure of electric rod

Country Status (1)

Country Link
CN (1) CN221075990U (en)

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