TWM512641U - Linear actuator with adjustable end - Google Patents

Description

End adjustable linear actuator

This creation relates to linear actuator end adjustment mechanisms, and more particularly to a linear actuator that can be easily mounted at the end of an external article.

Existing linear actuators generally have a cylindrical shape with a slider disposed thereon that is capable of sliding along the longitudinal direction of the linear actuator. In use, the two ends of the linear actuator are fixed to a fixed object, and the slider is connected to a to-be-driven object, and when the slider is slid, the object to be pushed can be pushed to move relative to the fixed object.

A disadvantage of the prior art is that the locking structures on both ends of the linear actuator are mostly integrally formed, so in most cases, the two ends of the linear actuator must be locked in the same plane. Therefore, the applicable setting environment of the existing linear actuator is considerably limited.

In view of this, the creator has made great efforts to solve the above problems by focusing on the above-mentioned prior art, and has devoted himself to the application of the theory, that is, the goal of the creator's improvement.

This creation provides an end adjustable adjustable linear actuator that is easy to assemble.

The present invention provides an end adjustable linear actuator comprising a cylindrical body and at least one locking seat. One end of the column body is provided with a pivoting seat. The locking seat is rotatably pivoted at the other end of the column body, and a locking hole is defined in the locking seat.

Preferably, the column body has a shaft hole corresponding to the lock base, the lock base protrudes from a rotating shaft, and the rotating shaft is disposed in the shaft hole. A shaft hole is defined in the column body and the pivoting seat. The pivoting seat protrudes from a rotating shaft, the rotating shaft is disposed in the shaft hole, and the pivoting seat is rotatable in the longitudinal direction of the column body. A first positioning structure is formed on the bottom of the shaft hole, and a second positioning structure is formed on the end surface of the rotating shaft to engage the first positioning structure. The rotating shaft is provided with a bolt disposed along the axial direction of the rotating shaft, and the bolt is locked to the center of the bottom of the shaft hole. The axial direction of the rotating shaft is perpendicular to the axial direction of the locking hole.

Preferably, the end adjustable linear actuator further comprises a slider sleeved on the column body and movable along the column body. Preferably, the end adjustable linear actuator further comprises a transmission assembly and a motor, the motor linkage drive assembly, and the transmission assembly engages the slider. The slider has a sleeve with a threaded thread therein, and the transmission assembly includes a worm that is threaded through the sleeve and engages the thread. The transmission assembly includes a worm gear disposed at one end of the worm and the motor engaging the worm gear.

The end adjustable linear actuator of the present invention is separately locked by its pivotable pivot seat and the lock seat, so that the applicable installation environment is wider than the prior art.

Referring to Figure 1, a preferred embodiment of the present invention provides an end adjustable linear actuator comprising a cylindrical body 100, at least one locking base 200, a slider 300, a transmission assembly 400, and a motor. 500.

Referring to FIG. 1 to FIG. 4 , the columnar body 100 has a hollow column shape. A pivoting seat 110 is protruded from one end of the columnar body 100 , and the other end of the columnar body 100 is provided with a locking base 200 . A shaft hole 101 is defined in the corresponding position of the lock base 200. In the embodiment, a shaft hole 101 is preferably respectively formed on a pair of side surfaces of the column body 100. The first positioning structure 120 is formed in the bottom of each of the shaft holes 101. In the embodiment, the first positioning structure 120 is preferably a plurality of concavely arranged around the center of the shaft hole 101. The groove 121 and the ridge 122.

Referring to FIG. 2 to FIG. 5, in the present embodiment, it is preferable that the shaft hole 101 is provided with a plurality of lock seats 200 having the same structure. Each of the locking bases 200 protrudes from a rotating shaft 210, and each of the rotating shafts 210 is rotatably disposed through the corresponding shaft hole 101. Each of the locking bases 200 defines a locking hole 201 for locking and fixing, and the axial direction of the rotating shaft 210 of each locking seat 200 is perpendicular to the axial direction of the corresponding locking hole 201. Each of the lock seats 200 is also provided with a through hole 202 disposed along the axial direction of the rotating shaft 210 and passing through the lock base 200. A second positioning structure 220 is formed on the end surface of the rotating shaft 210. In this embodiment, the second positioning structure 220 is preferably a plurality of grooves 221 and ridges 222 interposed around the center of the rotating shaft 210. The second positioning structure is provided. Each of the ridges 222 of the second positioning structure 120 can be engaged with any one of the first positioning structures 120. 221. A through hole 230 is bored in the through hole 202, and one end of the bolt 230 is locked to the center of the bottom of the lock shaft hole 101. The locking base 200 is rotatable relative to the columnar body 100 with the rotating shaft 210 as an axis. When the locking base 200 is rotated to the angle required for mounting, the corresponding grooves 121 are respectively engaged by the respective ridges 222/122. The /221 is further tightened by the bolt 230 to the columnar body 100, that is, the set angle at which the lock base 200 can be fixed.

Referring to FIG. 1, the slider 300 is sleeved on the column body 100 and is movable along the column body 100. The slider 300 has a sleeve 310 in which a screw is disposed. The sleeve 310 is housed in the columnar body 100.

The transmission assembly 400 includes a worm 410 and a worm gear 420 housed within the columnar body 100 and disposed along the longitudinal direction of the columnar body 100. A worm gear 420 is disposed at one end of the worm 410, and the worm 410 is threaded through the sleeve 310 and engages a thread in the sleeve 310.

The motor 500 is housed in the columnar body 100 and engages the worm wheel 420. When the motor 500 is in operation, the worm gear 410 can be driven to rotate axially through the worm wheel 420. When the worm shaft 410 rotates in the axial direction, the slider 300 can be moved along the worm 410.

Referring to FIG. 5 to FIG. 8 , the end adjustable linear actuator of the present invention is respectively locked and fixed by the pivoting seat 110 and the locking base 200 , and the slider 300 is connected with a to-be-driven member to drive the moving member to be moved. . The end adjustable linear actuator of the present invention is capable of selectively locking the two ends of the columnar body 100 to a fixture 10 by a pivoting seat 110 and a rotatable locking seat 200 thereof. The same plane 11 (as shown in FIG. 6); the two ends of the column body 100 can also be respectively locked on two different planes 11/12 on the fixture 10 (as shown in FIG. 7); The two ends of the body 100 are respectively locked to the two-phase different fixture 10/20, so that the applicable installation environment is wider than the prior art.

Referring to FIG. 9 , the pivoting socket 110 can also be designed in the same rotation manner. The pivoting socket 110 is pivoted on the columnar body 100 and the pivoting socket 110 can rotate in the longitudinal direction of the cylindrical body 100 . A shaft hole 102 is defined in the column body 100 corresponding to the pivoting seat 110. The pivoting seat 110 protrudes from a rotating shaft 111. The rotating shaft 111 is rotatably disposed in the corresponding shaft hole 102. A first positioning structure 130 is formed in the bottom of the hole 102. In the embodiment, the first positioning structure 130 is preferably a plurality of grooves 131 and ridges 132 interposed around the center of the shaft hole 102.

A second positioning structure 140 is formed on the end surface of the rotating shaft 111. In this embodiment, the second positioning structure 140 is preferably a plurality of grooves 141 and ridges 142 interposed around the center of the rotating shaft 111. The second positioning structure Each of the ridges 142 of the first positioning structure 130 can be engaged with any one of the first positioning structures 130; and each of the ridges 132 of the first positioning structure 130 can be engaged with any one of the second positioning structures 140. Groove 141.

The pivoting seat 110 is further provided with a through hole 103 disposed along the axial direction of the rotating shaft 111 and extending through the pivoting seat 110. The through hole 103 is bored with a bolt 150, and one end of the bolt 150 is locked to the pivot hole 102. The center of the bottom. The pivoting seat 110 can rotate relative to the columnar body 100 with the rotating shaft 111 as an axis. When the pivoting seat 110 is rotated to the angle required for mounting, the corresponding ridges 141 are respectively engaged by the ridges 132/142. The /131 is further tightened by the bolt 130 to the columnar body 100, that is, the installation angle at which the pivot socket 110 can be fixed.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the scope of the patents of the present invention. Other equivalent variations of the patent spirit using the present invention are all within the scope of the patent.

10/20‧‧‧Fixed objects

11/12‧‧ plane

100‧‧‧ columnar body

101/102‧‧‧ shaft hole

110‧‧‧ pivoting seat

103‧‧‧through hole

111‧‧‧Rotary axis

120/130‧‧‧First positioning structure

121/131‧‧‧ Groove

122/132‧‧‧ ridge

140‧‧‧Second positioning structure

141‧‧‧ Groove

142‧‧‧ ridge

150‧‧‧ bolt

200‧‧‧Locking seat

201‧‧‧Lock hole

202‧‧‧through hole

210‧‧‧Rotary axis

220‧‧‧Second positioning structure

221‧‧‧ Groove

222‧‧‧ ridge

230‧‧‧ bolt

300‧‧‧ Slider

310‧‧‧Sleeve

400‧‧‧Transmission components

410‧‧‧ worm

420‧‧‧ worm gear

500‧‧‧ motor

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a perspective view of one of the end adjustable linear actuators of the preferred embodiment of the present invention.

2 is another perspective view of the end adjustable linear actuator of the preferred embodiment of the present invention.

3 is a perspective exploded view of the end adjustable linear actuator of the preferred embodiment of the present invention.

4 is a longitudinal cross-sectional view of an end adjustable linear actuator of the preferred embodiment of the present invention.

Figure 5 is a transverse cross-sectional view of the slider of the end adjustable linear actuator of the preferred embodiment of the present invention.

Figure 6 is a schematic illustration of one of the motors of the end adjustable linear actuator of the preferred embodiment of the present invention.

Figure 7 is another schematic view of the mounting of the motor among the end adjustable linear actuators of the preferred embodiment of the present invention.

Figure 8 is a side elevational view of the end adjustable linear actuator of the preferred embodiment of the present invention.

Figure 9 is a schematic illustration of another embodiment of a pivot socket in an end adjustable linear actuator of the preferred embodiment of the present invention.

100‧‧‧ columnar body

110‧‧‧ pivoting seat

200‧‧‧Locking seat

201‧‧‧Lock hole

202‧‧‧through hole

300‧‧‧ Slider

310‧‧‧Sleeve

400‧‧‧Transmission components

410‧‧‧ worm

420‧‧‧ worm gear

500‧‧‧ motor

Claims (10)

An end adjustable linear actuator comprising: a columnar body, one end of the columnar body is provided with a pivoting seat; and at least one locking seat rotatably pivoted at the other end of the columnar body And a locking hole is formed in the locking seat. The end-adjustable linear actuator of claim 1, wherein the column-shaped body defines a shaft hole corresponding to the locking seat, the locking seat protrudes from a rotating shaft, and the rotating shaft is disposed In the shaft hole. The end-adjustable linear actuator of claim 1 or 2, wherein the column-shaped body and the pivoting seat have a shaft hole corresponding to the pivoting seat, the pivoting seat protruding from a rotating shaft, the rotating shaft The shaft hole is bored and the pivot seat is rotatable in the longitudinal direction of the column body. The end adjustable linear actuator of claim 3, wherein a bottom portion of the shaft hole is formed with a first positioning structure, and an end surface of the rotating shaft is formed with a second portion that is engaged with the first positioning structure. Positioning structure. The end adjustable linear actuator of claim 3, wherein the rotating shaft is threaded with a bolt disposed along an axial direction of the rotating shaft, and the bolt is locked to a center of a bottom of the shaft hole. The end adjustable linear actuator of claim 2, wherein the axial direction of the rotating shaft and the axial direction of the locking hole are perpendicular to each other. The end adjustable linear actuator of claim 1, further comprising a slider sleeved on the column body and movable along the column body. The end adjustable linear actuator of claim 7 further comprising a transmission assembly and a motor coupled to the transmission assembly, and the transmission assembly engages the slider. The end adjustable linear actuator of claim 8, wherein the slider has a sleeve having a threaded therein, the transmission assembly including a worm, the worm being threaded through the sleeve And engage the thread. The end adjustable linear actuator of claim 9, wherein the transmission assembly includes a worm gear disposed at one end of the worm and the motor engages the worm gear.