TWM626062U - Electric support rod - Google Patents

Abstract

This creation relates to an electric support rod, which includes a drive assembly and an actuation assembly. The drive assembly includes a first outer cylinder and a driver placed in the first outer cylinder. The first outer cylinder has an opening and an inner wall is provided with an elastic hook , the driver has a transmission groove, the actuating assembly includes a second outer cylinder and a transmission screw through the second outer cylinder, the second outer cylinder has a plug-in portion with a butt opening, the transmission screw has a driven end that engages with the transmission groove, and the plug-in The portion extends with pins surrounding the driven end, and the pins are buckled with the elastic hooks to lock the driving component and the actuating component longitudinally; thereby, the structure of the electric support rod is simplified, the assembly is easy, and the production cost is reduced.

Description

Electric support rod

The invention relates to an electric support rod, especially an electric support rod with simple structure, convenient assembly and no rotation of the actuating assembly.

With the rapid development of the automobile industry, electric doors are gradually being widely used due to their convenience. The general electric car door is supported by the electric support rods arranged on the left and right sides, and the telescopic screw in the electric support rod is used to adjust the length of the telescopic screw through the internal electric motor, so that the electric door can be opened or closed. Effect.

The electric support rod is usually designed in two parts to facilitate the installation of the electric motor and the telescopic screw into the corresponding two shells, and then the two shells are assembled to make the electric motor and the telescopic screw to achieve power connection. . However, in order to prevent the casing of the telescopic screw from being driven to rotate during operation, an additional fixing member is used for positioning, which makes the structure of the electric support rod complicated, difficult to assemble, and high in production cost.

In view of this, the creator of the present invention has devoted himself to the research and application of the theory, aiming at the above-mentioned deficiencies of the prior art, to try his best to solve the above-mentioned problems, which has become the goal of the creator's improvement.

The main purpose of this creation is to simplify the structure of the electric support rod, facilitate assembly, and reduce the production cost.

In order to achieve the above purpose, the present invention provides an electric support rod, which includes a driving component and an actuating component. The driving component includes a first outer cylinder and a driver accommodated in the first outer cylinder. One end of the first outer cylinder There is an opening, the end of the driver facing the opening has a transmission groove, the inner wall of the first outer cylinder is protruded with a plurality of elastic hooks between the opening and the transmission groove, and the actuating assembly includes a second outer cylinder and a second A drive screw of the outer cylinder, one end of the second outer cylinder has a plug portion, the drive screw has a driven end penetrating the plug portion, the plug portion extends with a plurality of pins surrounding the driven end, and the plug portion is butted The opening is opened, the driven end engages with the transmission groove, and each pin is buckled with each elastic hook to lock the driving component and the actuating component longitudinally.

This creation also has the following functions: the drive assembly can be fixed on the car body or the door body through the joint. The actuating assembly can be fixed on the door body or the vehicle body through the fixing hole of the rotary joint. Through the inner barb on the inner edge of the pin and the plug-in portion, the bearing is clamped and fixed together, so that the drive screw can keep the center position. The positioning effect can be achieved by inserting the positioning column into the corresponding positioning hole, and the second outer cylinder can be prevented from being driven to rotate when the driver drives the transmission screw to rotate.

10: Drive components

11: The first outer cylinder

111: Opening

112: Connection part

112A: Connector

113: Elastic hook

113A: Roots

113B: Spring Arm

113C: Hook

12: Drive

121: Transmission groove

121A: Internal teeth

122: Positioning hole

20: Actuator assembly

21: The second outer cylinder

211: plug-in part

212: pin

212A: inner barb

212B: Outer barb

213: Positioning post

22: drive screw

221: Slave end

221A: External teeth

23: Bearings

24: Active inner cylinder

241: Fixed end

241A: Rotary joint

241B: Fixing hole

Figure 1 is a three-dimensional external view of this creation.

Figure 2 is an exploded perspective view of this creation.

Figure 3 is a partial enlarged view of the plug-in terminal of this creation.

Figure 4 is a partial enlarged view of the opening of this creation.

Figures 5 to 9 are cross-sectional views of (1) to (5) of this creation in use.

10 to 12 are cross-sectional views of another embodiment of the present invention in use states (1) to (3).

The detailed description and technical content of this creation will be described with the drawings as follows, but the attached drawings are only for illustrative purposes and are not intended to limit this creation.

This creation system provides an electric support rod, which is used to open or close the electric door of a car and serve as a support. Please refer to FIG. 1 to FIG. 4 , the electric support rod mainly includes a driving component 10 and an actuating component 20 .

The driving assembly 10 mainly includes a first outer cylinder 11 and a driver 12 . The first outer cylinder 11 is a hollow cylinder, an opening 111 is provided at one end of the first outer cylinder 11 , and a connecting portion 112 is provided at an end away from the opening 111 . The connecting portion 112 has a joint 112A to fix the drive assembly 10 on the vehicle body or the door body. In this embodiment, the driver 12 is an electric motor, but the present invention is not limited to this. The driver 12 is accommodated in the first outer cylinder 11 , and has a transmission groove 121 at one end of the driver 12 facing the opening 111 , and the inner edge of the transmission groove 121 is provided with a plurality of internal teeth 121A. A plurality of elastic hooks 113 are protruded from the inner wall of the first outer cylinder 11 between the opening 111 and the transmission groove 121 of the driver 12 .

The actuating assembly 20 mainly includes a second outer cylinder 21 and a drive screw 22 . The second outer cylinder 21 is a hollow cylinder, and one end of the second outer cylinder 21 has a plug portion 211 corresponding to the opening 111 of the first outer cylinder 11 . The driving screw 22 passes through the second outer cylinder 21 and has a driven end 221 extending out of the insertion portion 211 , and the outer edge of the driven end 221 is provided with a plurality of outer teeth 221A that engage with the inner teeth 121A. A plurality of pins 212 corresponding to the elastic hooks 113 extend longitudinally from the plug-in portion 211 , and the pins 212 are arranged around the periphery of the driven end 221 . Preferably, the actuating assembly 20 further includes a bearing 23 . The bearing 23 is sleeved with the drive screw 22 , and a plurality of inner barbs 212A are recessed on the inner edge of each pin 212 . Each of the inner barbs 212A and the plug-in portion 211 clamp and fix the bearing 23 together, thereby maintaining the central position of the drive screw 22 .

To further illustrate, the actuating assembly 20 further includes a movable inner barrel 24 . The movable inner cylinder 24 is movably accommodated in the second outer cylinder 21 , and the movable inner cylinder 24 is engaged with the transmission screw 22 , so that the transmission screw 22 can drive the movable inner cylinder 24 to expand and contract relative to the second outer cylinder 21 . move. The movable inner cylinder 24 has a fixed end 241 exposed to the second outer cylinder 21 . The fixed end 241 is provided with a rotary joint 241A, and the rotary joint 241A is provided with a fixed hole 241B to fix the actuating assembly 20 on the door body or the vehicle body.

Please refer to FIG. 1 and FIG. 2 , the actuating assembly 20 is assembled with the driving assembly 10 . Specifically, the insertion portion 211 of the second outer cylinder 21 is connected to the opening 111 of the first outer cylinder 11, so that the driven end 221 of the drive screw 22 can be engaged in the transmission groove 121 of the driver 12, and each connection The feet 212 are fastened to the corresponding elastic hooks 113 to lock the driving assembly 10 and the actuating assembly 20 longitudinally. In this way, the drive assembly 10 and the actuation assembly 20 can be connected and fixed, and the drive groove 121 of the drive 12 and the driven end 221 of the drive screw 22 can be dynamically connected, so that the drive 12 drives the drive screw 22 to rotate to Telescopic movable inner cylinder 24 .

To further illustrate, each elastic hook 113 includes a portion 113A and an elastic arm 113B. Each root portion 113A is disposed on the inner wall of the first outer cylinder 11, and is respectively connected to each corresponding elastic arm 113B. Each elastic arm 113B is recessed with a hook portion 113C. An outer barb 212B is provided on the outer edge of each pin 212 . Each hook portion 113C is clamped corresponding to each outer barb 212B to vertically stop each pin 212 . In this embodiment, the elastic hooks 113 are set in two groups corresponding to a pin 212 for clamping (that is, the number of elastic hooks 113 is twice the number of pins 212 ), and the number of elastic hooks 113 in each group is The two elastic hooks 113 are disposed opposite to each other, so that the hook portions 113C of the two elastic arms 113B are jointly clamped in the corresponding outer barbs 212B of the pins 212 . However, the present invention is not limited to this. For example, the number of the elastic hooks 113 can be the same as the number of the pins 212, as long as it can effectively play the role of a stopper.

In addition, the insertion portion 211 of the second outer cylinder 21 also extends with a plurality of positioning posts 213 , and the driver 12 is recessed with a plurality of positioning holes 122 surrounding the transmission groove 121 . In this embodiment, each positioning column 213 and each pin 212 are arranged at intervals, but the present invention is not limited to this. Each positioning column 213 is respectively inserted into the corresponding The positioning hole 122 can achieve the effect of positioning, so as to prevent the transmission groove 121 of the driver 12 from driving the second outer cylinder 21 of the actuating assembly 20 to rotate when driving the driving screw 22 to rotate. In this embodiment, the number of the positioning columns 213 is four, but the present invention is not limited to this. The effect can be rotated.

Please refer to FIGS. 5 to 9 , which are schematic diagrams of the assembly of the actuating assembly 20 and the driving assembly 10 . Please refer to FIGS. 5 and 6 , before the actuating assembly 20 and the driving assembly 10 are assembled, the driven end 221 of the drive screw 22 must be aligned with the drive groove 121 of the driver 12 , and the positioning posts 213 must be aligned with each other. The corresponding positioning holes 122 (as shown in FIG. 5 ) make the pins 212 also align with the corresponding elastic hooks 113 (as shown in FIG. 6 ). Then, when the insertion portion 211 is inserted into the opening 111, each pin 212 will push the corresponding two elastic arms 113B toward the upper and lower sides (not shown), so that each pin 212 can be inserted into the corresponding two elastic arms 113B. between the elastic hooks 113 . 7 to 9 , after the actuating assembly 20 is inserted into position, the inserting portion 211 of the second outer cylinder 21 is engaged in the opening 111 of the first outer cylinder 11 . The driven end 221 is engaged in the transmission groove 121 of the driver 12 , and each positioning column 213 is inserted into each corresponding positioning hole 122 to prevent the second outer cylinder 21 from rotating (as shown in FIG. 7 ). The outer barbs 212B are stopped by the hooks 113C of the corresponding two elastic arms 113B (as shown in FIG. 8 and FIG. 9 ), thereby longitudinally locking the actuating assembly 20 and the driving assembly 10 and completing the assembly.

Please refer to FIG. 10 to FIG. 12, which is the second embodiment of the present invention. The main difference is that each positioning column 213 extends to the end of each pin 212, so that each pin 212 and the corresponding positioning column 213 and the positioning hole 122 are both located on the same straight line. Please refer to FIG. 10 , before the actuating assembly 20 and the driving assembly 10 are assembled, align the driven end 221 of the drive screw 22 with the drive slot 121 of the driver 12 , and align each positioning post 213 with the corresponding Since the pins 212 and the corresponding positioning posts 213 and the positioning holes 122 are all located on the same straight line, the pins 212 are also aligned with the corresponding elastic hooks 113 at the same time. 11 and FIG. 12 , after the actuating assembly 20 and the driving assembly 10 are assembled together, the outer barbs 212B of the pins 212 are locked by the hooks 113C of the corresponding two elastic arms 113B. block, same Each positioning column 213 at the front end is also inserted into each corresponding positioning hole 122 . Therefore, the design of the second embodiment can effectively simplify the overall structure, reduce assembly errors, and reduce production costs, while maintaining the same technical effects as the first embodiment.

To sum up, this creation has industrial applicability, novelty and progress, and fully meets the requirements for patent application. Of course, this creation can also have other various embodiments, without departing from the spirit and essence of this creation, those skilled in the art can evolve various corresponding changes and deformations according to this creation, but these corresponding changes and deformation shall belong to the protection scope of the patent applied for in this creation.

10: Drive components

11: The first outer cylinder

111: Opening

112: Connection part

112A: Connector

113: Elastic hook

12: Drive

121: Transmission groove

122: Positioning hole

20: Actuator assembly

21: The second outer cylinder

211: plug-in part

212: pin

22: drive screw

221: Slave end

241: Fixed end

241A: Rotary joint

241B: Fixing hole

Claims (10)

An electric support rod, comprising: a drive assembly, including a first outer cylinder and a driver accommodated in the first outer cylinder, one end of the first outer cylinder has an opening, and the end of the driver facing the opening has a transmission groove, the inner wall of the first outer cylinder is protruded with a plurality of elastic hooks between the opening and the transmission groove; and an actuating component includes a second outer cylinder and a second outer cylinder passing through the second outer cylinder A drive screw, one end of the second outer cylinder has a plug portion, the drive screw has a driven end passing through the plug portion, and the plug portion extends with a plurality of pins surrounding the driven end; wherein the plug The connecting portion is connected to the opening, the driven end is engaged with the transmission slot, and each of the pins is buckled with each of the elastic hooks to longitudinally lock the driving component and the actuating component. The electric support rod as claimed in claim 1, wherein each of the elastic hooks includes a portion and an elastic arm, and each of the root portions is disposed on the first outer cylinder and connected to the corresponding elastic arms. The electric support rod as claimed in claim 2, wherein each of the elastic arms is concavely provided with a hook portion, the outer edge of each of the pins is provided with an outer barb, and each hook portion is engaged with each of the outer barbs to extend longitudinally. stop each pin. The electric support rod as claimed in claim 1, wherein the insertion portion further extends a plurality of positioning columns, the driver is provided with a plurality of positioning holes surrounding the transmission groove, and each positioning column is respectively inserted into the corresponding positioning hole . The electric support rod according to claim 4, wherein each of the positioning posts and each of the pins are arranged at intervals. The electric support rod as claimed in claim 4, wherein each of the positioning posts extends to an end of each of the pins. The electric support rod according to claim 1, further comprising a bearing, the bearing is sleeved with the drive screw, the inner edge of each of the pins is provided with a plurality of inner barbs, each of the inner barbs and the inserting portion Clamp the bearing together. The electric support rod as claimed in claim 1, wherein the inner edge of the transmission slot is provided with a plurality of inner teeth, and the outer edge of the driven end is provided with a plurality of outer teeth corresponding to each of the inner teeth. The electric support rod according to claim 1, wherein the actuating assembly further comprises a movable inner cylinder, the movable inner cylinder is movably accommodated in the second outer cylinder and engages the drive screw, the movable inner cylinder It has a fixed end exposed to the second outer cylinder, and the fixed end is provided with a rotary joint. The electric support rod as claimed in claim 1, wherein one end of the first outer cylinder away from the opening is provided with a connecting portion, and the connecting portion has a joint.

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