CN215332233U - Improved structure of electric stay bar - Google Patents
Improved structure of electric stay bar Download PDFInfo
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- CN215332233U CN215332233U CN202120590222.9U CN202120590222U CN215332233U CN 215332233 U CN215332233 U CN 215332233U CN 202120590222 U CN202120590222 U CN 202120590222U CN 215332233 U CN215332233 U CN 215332233U
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Abstract
The utility model belongs to the technical field of electric support rods, and provides an improved structure of an electric support rod, which comprises an outer pipe, a special pipe, a motor reduction box, a bearing seat and a screw rod assembly, wherein the special pipe, the motor reduction box, the bearing seat and the screw rod assembly are arranged in the outer pipe, an interference fit part is arranged in the outer pipe, the special pipe is provided with a special pipe connecting part, the bearing seat is provided with a bearing seat connecting part, and after the special pipe is arranged from an upper port of the outer pipe during assembly, the other end of the special pipe is pulled from a lower port of the outer pipe until a combined body of the special pipe connecting part and the bearing seat connecting part is assembled in place at the interference fit part. The utility model has the advantages that the motor reduction gearbox can be effectively prevented from being pressed, the motor reduction gearbox can be effectively prevented from being pressed by pulling the special-shaped pipe and the bearing seat assembly during assembly, the upper end part of the first end cover, the bearing seat, the special-shaped pipe and the outer pipe are connected through a laser welding process, and the motor reduction gearbox has simple structure, high strength and good sealing and waterproof performance.
Description
Technical Field
The utility model belongs to the technical field of automobile electric stay bars, and relates to an improved structure of an electric stay bar.
Background
Along with the development of automobile electromotion and intellectualization, the application of an electric support rod in an automobile is more and more common, the electric support rod can greatly increase the convenience of the use of the automobile and improve the use comfort of a user, in the prior art, the electric support rod mainly comprises a motor, a motor reduction box, a bearing seat, a screw rod, an outer pipe and a special-shaped pipe, in the prior art, the motor reduction box, the bearing seat and the screw rod are firstly integrated into a whole and are plugged into the outer pipe from one port, then the special-shaped pipe is plugged into the outer pipe from the other port of the outer pipe to be matched with the screw rod, the outer pipe of the electric support rod and the special-shaped pipe are connected through a laser welding process, therefore, the special-shaped pipe and the outer pipe need to be in interference fit, when the special-shaped pipe, the bearing seat, the motor reduction box and the outer pipe are assembled, and the special-shaped pipe need to be in place only by using larger thrust from one port, namely, the motor reduction gearbox is assembled in a pushing manner, so that the motor reduction gearbox has the risk of being pressed after assembly, the motor reduction gearbox is blocked when in operation, and the electric support rod is damaged or has abnormal sound when in assembly.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem and provides an improved structure of an electric support rod and an installation method thereof aiming at the current situation of the prior art, which can effectively prevent a motor reduction box from being stressed, and have the advantages of simple structure, simple and convenient assembly and excellent sealing performance.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides an electronic vaulting pole improves structure, includes the outer tube and adorns anomalous tube, motor reducing gear box, bearing frame and the lead screw subassembly in the outer tube, its characterized in that, the outer tube in have the interference fit position, the anomalous tube have anomalous tube connecting portion, bearing frame connecting portion have on the bearing frame, bearing frame connecting portion and anomalous tube connecting portion are located interference fit position department, anomalous tube connecting portion and bearing frame connecting portion assembled connection become the combination, during the assembly anomalous tube pack into the back from outer tube upper port, the combination that another end of port pulling anomalous tube under the outer tube again reaches anomalous tube connecting portion and bearing frame connecting portion is put in place at interference fit position department.
In the above improved structure of the electric stay bar, the inner side of the connecting part of the special-shaped pipe is provided with an internal thread, the connecting part of the bearing seat is provided with an external thread, and the internal thread and the external thread are assembled and connected to enable the special-shaped pipe and the bearing seat to be assembled and connected into a combined body.
In foretell electronic vaulting pole improves structure, special pipe connecting portion and outer union coupling department between have first weld part, the second weld part has between bearing frame and the outer union coupling department, first weld part and second weld part are the interference fit assembly, first weld part and second weld part are laser welding connection.
In the above improved structure of the electric stay bar, the outer pipe has a step therein, and the outer side of the connecting part of the special pipe has an abutting part which abuts against the step.
In the improved structure of the electric stay bar, the upper port of the outer pipe is provided with a first end cover with a wire harness, the first end cover and the upper port of the outer pipe are connected through laser welding, and the first end cover is provided with a fixed connecting port.
In the above improved structure of the electric stay bar, the screw rod assembly comprises a screw rod and a movable rod, one end of the screw rod is connected to the motor through the bearing seat and the motor reduction box, and the other end of the screw rod is movably connected with the movable rod through threads.
In the improved structure of the electric stay bar, a sleeve is further arranged between the lower port of the outer tube and the special-shaped tube, one end of the movable bar, which is connected with the lead screw, extends out of the lower port of the sleeve, a movable fixing piece is arranged at the lower port of the sleeve, and the movable fixing piece is connected to the movable bar.
The mounting method of the electric stay bar improved structure is characterized by comprising the electric stay bar improved structure and comprises the following steps:
step one, connecting an internal thread on a connecting part of the special-shaped pipe and an external thread on a bearing seat into a combined body, and assembling the combined body, a motor reduction box, the bearing seat, a screw rod assembly and a first end cover with a wire harness into the combined body from an upper port of an outer pipe;
pulling the other end of the special pipe from the lower port of the outer pipe until a combination of the special pipe connecting part and the bearing seat connecting part is assembled in place at the interference fit position, and reserving an assembly movable gap for the motor reduction gearbox;
thirdly, pushing the motor reduction box inwards from the first end cover of the upper port of the outer pipe to enable the motor reduction box to be installed in place;
and step four, the sleeve and the movable fixing piece are installed from the lower end opening of the outer pipe.
In the installation method of the improved structure of the electric stay bar, the joint of the special-shaped pipe and the outer pipe is connected by laser welding, the joint of the bearing seat and the outer pipe is connected by laser welding, and the first end cover and the upper port of the outer pipe are connected by laser welding.
Compared with the prior art, the utility model has the advantages that the motor reduction box can be effectively prevented from being pressed, the structure is simple and convenient to assemble, the sealing performance of the electric stay bar is excellent, the special-shaped pipe is connected with the bearing seat through the threads, the special-shaped pipe and the bearing seat assembly are pulled during assembly, the motor reduction box can be effectively prevented from being pressed, the upper end part of the first end cover, the bearing seat, the special-shaped pipe and the outer pipe are connected through a laser welding process, the structure is simple, the strength is high, and the sealing and waterproof performance is good.
Drawings
FIG. 1 is a schematic view of the overall structure of the improved structure of the electric stay bar;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a schematic perspective view of the assembled motor, motor reduction gearbox, bearing block, screw assembly, and first end cap with wire harness and outer tube;
fig. 4 is a schematic perspective view of the bearing seat and the special pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments. It is to be understood that the described embodiments are merely a few embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "central," "lateral," "longitudinal," "front," "rear," "left," "right," "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the utility model and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting to the scope of the present invention.
In the figure, an outer tube 100; an outer tube upper port 101; an outer tube lower port 102; a step 103; a special-shaped pipe 200; a special-shaped pipe connecting part 201; an internal thread 202; an abutting portion 203; a motor 300; a motor reduction box 400; a bearing housing 500; a bearing housing connecting portion 501; external threads 502; a lead screw assembly 600; a screw 601; a movable bar 602; an interference fit portion 700; a first weld 800; a second weld 900; a first end cap 1000; a wire harness 1001; a fixed connection port 1002; a sleeve 1003; cannula lower port 1004; a movable fixture 1005.
As shown in fig. 1, 2 and 3, the improved structure of the electric stay bar comprises an outer tube 100, a special-shaped tube 200 arranged in the outer tube 100, a motor 300, a motor reduction box 400, a bearing seat 500 and a screw rod assembly 600, wherein an interference fit part 700 is arranged in the outer tube 100, the special-shaped tube 200 is provided with a special-shaped tube connecting part 201, the bearing seat 500 is provided with a bearing seat connecting part 501, the bearing seat connecting part 501 and the special-shaped tube connecting part 201 are positioned at the interference fit part 700, the special-shaped tube connecting part 201 and the bearing seat connecting part 501 are assembled and connected into a combined body, here, the interference fit part 700 can ensure that the bearing seat and the special-shaped tube connecting part 201 are positioned and prepared, and ensure the subsequent connection to be reliable, specifically, as shown in fig. 4, as a further optimization, the inner side of the special-shaped tube connecting part 201 is provided with an inner thread 202, the bearing seat connecting part 501 is provided with an outer thread 502, the inner thread 202 is assembled and connected with the outer thread 502 to make the special-shaped tube 200 and the bearing seat assembled and connected into a combined body, the special-shaped pipe 200 is integrally connected with the bearing seat by the aid of threaded connection, subsequent integral installation is facilitated, after the special-shaped pipe 200 is installed from the upper end port 101 of the outer pipe during assembly, the other end of the special-shaped pipe 200 is pulled from the lower end port 102 of the outer pipe until a combined body of the special-shaped pipe connecting part 201 and the bearing seat connecting part 501 is assembled in place at the interference fit position 700, one of the greatest innovations of the patent is that push-press assembly is changed into pull assembly, the special-shaped pipe 200 moves with the bearing seat 500 after the special-shaped pipe 200 is pulled from the lower end port 102 of the outer pipe, and therefore assembly gap space is reserved for the motor reduction gearbox 400, and when the motor reduction gearbox 400 is pushed again, due to the existence of the assembly gap space, the pressure risk of the motor reduction gearbox 400 during push-press can be effectively avoided.
As further optimization, first weld part 800 has between special-shaped pipe connecting portion 201 and the outer tube connection department, second weld part 900 has between bearing frame and the outer tube connection department, first weld part 800 and second weld part 900 are the interference fit assembly, first weld part 800 and second weld part 900 are the laser welding connection, the welding part here is the interference fit assembly, laser welding strength is high, sealing performance is good, step 103 has in the outer tube 100, the outside of special-shaped pipe connecting portion 201 has top portion 203, top portion 203 is in step 103 department, utilize step 103 to restrict the mounted position like this, can guarantee that special-shaped pipe 200 accurately installs in place.
The screw rod assembly 600 comprises a screw rod 601 and a movable rod 602, one end of the screw rod 601 is connected to a motor through a bearing seat and a motor reduction box 400, the other end is movably connected with the movable rod 602 through threads, the screw rod 601 is driven to rotate through the motor, so that the movable rod 602 moves, a first end cover 1000 with a wiring harness 1001 is arranged at an upper port 101 of an outer pipe, the first end cover 1000 is connected with the upper port 101 of the outer pipe through laser welding, a fixed connecting port 1002 is arranged on the first end cover 1000, a sleeve 1003 is also arranged between a lower port 102 of the outer pipe and a special pipe 200, one end of the movable rod 602 connected with the screw rod 601 extends out from a lower port 1004 of the sleeve, a movable fixing piece 1005 is arranged at a lower port 1004 of the sleeve, the movable fixing piece 1005 is connected to the movable rod 602, and the first end cover 1000 with the wiring harness 1001 is fixed through the fixed connecting port 1002, the movable fixing piece 1005 is fixed on the object, so that when the screw rod 601 rotates, the movable rod 602 is driven to move, and the movable fixing piece 1005 is driven to move by the movement of the movable rod 602, thereby realizing the propping action of the object.
When the electric stay bar is installed, firstly, an internal thread 202 on the special-shaped pipe connecting part 201 and an external thread 502 on the bearing seat are connected into a combined body, and the combined body, a motor reduction gearbox 400, the bearing seat, a screw rod assembly 600 and a first end cap 1000 with a wire harness 1001 are installed from an upper port 101 of an outer pipe, then the other end of the special-shaped pipe 200 is pulled from a lower port 102 of the outer pipe until the combined body of the special-shaped pipe connecting part 201 and the bearing seat connecting part 501 is assembled in place at an interference fit position 700, an assembly movable gap is reserved for the motor reduction gearbox 400, and then the first end cap 1000 of the upper port 101 of the outer pipe is pushed inwards to enable the motor reduction gearbox 400 to be installed in place; then carry out laser welding at special-shaped pipe connecting portion 201 and outer tube junction and be connected, the bearing frame carries out laser welding with outer tube junction and is connected, and first end cover 1000 carries out laser welding with outer tube upper port 101 and is connected, and the sleeve 1003 and the movable fixing part 1005 of packing into again from outer tube lower port 102 can accomplish whole electronic vaulting pole assembly finally.
The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications, additions and substitutions for the described embodiments may be made by those skilled in the art without departing from the scope and spirit of the utility model as defined by the accompanying claims.
Claims (7)
1. The utility model provides an electronic vaulting pole improves structure, includes the outer tube and adorns anomalous tube, motor reducing gear box, bearing frame and the lead screw subassembly in the outer tube, its characterized in that, the outer tube in have the interference fit position, the anomalous tube have anomalous tube connecting portion, bearing frame connecting portion have on the bearing frame, bearing frame connecting portion and anomalous tube connecting portion are located interference fit position department, anomalous tube connecting portion and bearing frame connecting portion assembled connection become the combination, during the assembly anomalous tube pack into the back from outer tube upper port, the combination that another end of port pulling anomalous tube under the outer tube again reaches anomalous tube connecting portion and bearing frame connecting portion is put in place at interference fit position department.
2. The improved structure of an electric stay bar of claim 1, wherein the inner side of the connecting part of the special pipe is provided with an internal thread, the connecting part of the bearing seat is provided with an external thread, and the internal thread and the external thread are assembled and connected to enable the special pipe and the bearing seat to be assembled and connected to form a combined body.
3. The improved structure of an electric stay bar according to claim 2, wherein a first welding part is arranged between the connecting part of the special pipe and the outer pipe, a second welding part is arranged between the connecting part of the bearing seat and the outer pipe, the first welding part and the second welding part are assembled in an interference fit manner, and the first welding part and the second welding part are connected by laser welding.
4. The improved structure of an electric stay bar according to claim 2 or 3, wherein the outer tube has a step therein, and the outer side of the connecting part of the special tube has an abutting part which abuts against the step.
5. The improved structure of an electric stay bar as claimed in claim 4, wherein a first end cap with a wiring harness is provided at the upper end port of the outer tube, the first end cap and the upper end port of the outer tube are connected by laser welding, and a fixed connecting port is provided on the first end cap.
6. The improved structure of an electric stay bar according to claim 5, wherein the screw rod assembly comprises a screw rod and a movable rod, one end of the screw rod is connected to the motor through a bearing seat and a motor reduction box, and the other end of the screw rod is in threaded movable connection with the movable rod.
7. The improved structure of an electric stay bar according to claim 6, wherein a sleeve is further provided between the lower end of the outer tube and the special tube, one end of the movable bar connected with the screw rod extends out of the lower end of the sleeve, a movable fixing piece is provided at the lower end of the sleeve, and the movable fixing piece is connected to the movable bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120590222.9U CN215332233U (en) | 2021-03-23 | 2021-03-23 | Improved structure of electric stay bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120590222.9U CN215332233U (en) | 2021-03-23 | 2021-03-23 | Improved structure of electric stay bar |
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| Publication Number | Publication Date |
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| CN215332233U true CN215332233U (en) | 2021-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120590222.9U Active CN215332233U (en) | 2021-03-23 | 2021-03-23 | Improved structure of electric stay bar |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113153058A (en) * | 2021-03-23 | 2021-07-23 | 宁波信泰机械有限公司 | Improved structure of electric stay bar and mounting method thereof |
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2021
- 2021-03-23 CN CN202120590222.9U patent/CN215332233U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113153058A (en) * | 2021-03-23 | 2021-07-23 | 宁波信泰机械有限公司 | Improved structure of electric stay bar and mounting method thereof |
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