CN213017256U - Linear motion mechanism connecting device - Google Patents
Linear motion mechanism connecting device Download PDFInfo
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- CN213017256U CN213017256U CN202021153534.5U CN202021153534U CN213017256U CN 213017256 U CN213017256 U CN 213017256U CN 202021153534 U CN202021153534 U CN 202021153534U CN 213017256 U CN213017256 U CN 213017256U
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- ball head
- fitting piece
- bulb
- driving device
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Abstract
The utility model discloses a linear motion mechanism connecting device, including the bulb subassembly that is used for being connected sharp final controlling element and linear drive device, the bulb subassembly includes bulb fitting piece one, bulb fitting piece two, the bulb, bulb fixed fastener, connect linear drive device telescopic link tip and bulb fitting piece connecting fastener, the recess that holds the bulb is seted up to the lateral wall of bulb fitting piece one, the bulb sets up in the recess that the lateral wall of bulb fitting piece one was seted up, one side that bulb fitting piece one was kept away from to the bulb is connected with bulb fitting piece two, bulb fitting piece one and bulb fitting piece two are connected through bulb fitting piece connecting fastener, it runs through the bulb to connect linear drive device telescopic link tip, it is connected with linear drive device to connect linear drive device telescopic link tip. The utility model adopts the combination of ball joint articulation and small gap constraint to realize the coupling of the linear driving device and the linear actuating device; the utility model has simple structure and practical value.
Description
Technical Field
The utility model relates to a connecting device specifically is a linear motion mechanism connecting device.
Background
Under the ideal condition, the shape and position center lines of the linear driving device and the linear executing device are overlapped, so that no additional lateral force exists between the linear driving device and the motion constraint point of the linear driving device, and no additional lateral force exists between the linear executing device and the motion constraint point of the linear executing device. However, in practical situations, as shown in fig. 1 and fig. 2, the linear driving device and the linear actuator have certain processing errors and assembly errors during the processing and assembly processes, so that the form and position center lines of the two devices may have a coaxial fitting deviation phenomenon, which is represented as: 1) the shape and position central lines are not coaxial and are relatively parallel; 2) the shape and position central lines are not coaxial and have a certain angle. The existence of coaxial fit deviation can cause additional wear of the relatively moving parts, which in turn affects the service life of the linear drive device or the linear actuator.
In order to solve the problems appearing above, the utility model provides a linear motion mechanism connecting device.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a linear motion mechanism connecting device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a connecting device of a linear motion mechanism comprises a ball head component used for connecting a linear actuating device and a linear driving device, wherein the ball head component comprises a ball head fitting piece I, a ball head fitting piece II and a ball head, the connecting linear driving device telescopic rod end part is connected with the linear driving device, and the connecting linear driving device telescopic rod end part is connected with the ball head matching piece through the ball head fixing fastener; the end, close to the linear driving device, of the linear actuating device is connected with a linear actuating device connecting piece in a buckling mode, the linear actuating device and the linear actuating device connecting piece are connected through a linear actuating device connecting piece fastening piece, and the linear actuating device connecting piece form a cylindrical groove of the ball head assembly; the ball head assembly is arranged in the cylindrical groove of the ball head assembly.
As a further aspect of the present invention: the ball head fitting piece connecting fastener and the linear execution device connecting piece fastener are both bolts.
As a further aspect of the present invention: the outer contour of the ball head fitting piece is cuboid.
As a further aspect of the present invention: the side wall of the linear actuator is provided with a linear actuator motion constraint point; and one end of the linear driving device, which is close to the linear executing device, is provided with a motion constraint point of the linear driving device.
As a further aspect of the present invention: the number of the motion constraint points of the linear actuating device and the number of the motion constraint points of the linear driving device are two.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a coupling of linear drive device and sharp final controlling element is realized to the compound mode of bulb articulated and little clearance restraint for linear motion mechanism can reduce extra wearing and tearing under the influence that has the coaxial cooperation deviation condition, can normal operation and realize predetermined function. The utility model discloses simple structure and operation are reliable, have practical value.
Drawings
Fig. 1 is a schematic diagram of a prior linear motion mechanism with non-coaxial and relatively parallel shape and position center lines.
Fig. 2 is a schematic diagram of a conventional linear motion mechanism in which form and position center lines are not coaxial and have a certain angle.
Fig. 3 is a schematic structural diagram of the linear motion mechanism connecting device.
Fig. 4 is a schematic structural view of a ball head assembly in the linear motion mechanism connecting device.
Fig. 5 is a schematic structural view of a linear actuator connecting assembly in the linear motion mechanism connecting device.
Fig. 6 is a schematic view showing the connection of the ball head assembly in the linear motion mechanism connecting device.
In the figure: 001-linear actuator, 002-linear actuator, 003-connecting device, 004-linear actuator motion constraint point, 005-linear actuator motion constraint point, 006-linear actuator form and position center line, 007-linear actuator form and position center line, 1-ball joint piece I, 2-ball joint piece II, 3-ball joint, 4-ball joint fixing fastener, 5-connecting linear actuator telescopic rod end part, 6-ball joint piece connecting fastener, 7-linear actuator connecting piece, 8-linear actuator connecting piece fastener, 9-ball joint component cylindrical groove and 100-ball joint component.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.
Example 1
Referring to fig. 3-6, a linear motion mechanism connecting device comprises a ball head assembly 100 for connecting a linear actuator 001 and a linear driver 002, the ball head assembly comprises a first ball head fitting piece 1, a second ball head fitting piece 2, a ball head 3, a ball head fixing fastener 4, a telescopic rod end part 5 of the connecting linear driver and a ball head fitting piece connecting fastener 6, a groove for accommodating the ball head 3 is formed in the side wall of the first ball head fitting piece 1, the ball head 3 is arranged in the groove formed in the side wall of the first ball head fitting piece 1, one side of the ball head 3 away from the first ball head fitting piece 1 is connected with the second ball head fitting piece 2, the first ball head fitting piece 1 and the second ball head fitting piece 2 are connected through the ball head fitting piece connecting fastener 6, the telescopic rod end part 5 of the connecting linear driver penetrates through the ball head 3, the telescopic rod end part 5, the end part 5 of the telescopic rod of the connecting linear driving device is connected with the ball head 3 through the end part 5 of the telescopic rod of the connecting linear driving device; one end of the linear actuator 001, which is close to the linear driving device 002, is connected with a linear actuator connecting piece 7 in a buckling mode, the linear actuator 001 and the linear actuator connecting piece 7 are connected through a linear actuator connecting piece fastener 8, and the linear actuator 001 and the linear actuator connecting piece 7 form a cylindrical groove 9 of the ball head assembly; the ball head assembly 100 is arranged in the ball head assembly cylindrical groove 9;
the specific structure of the ball-end fitting connecting fastener 6 and the linear actuator connecting piece fastener 8 is not limited, and in the embodiment, preferably, the ball-end fitting connecting fastener 6 and the linear actuator connecting piece fastener 8 are both bolts;
the specific shape of the ball-end fitting 1 is not limited, and in this embodiment, the outer contour of the ball-end fitting 1 is preferably a rectangular parallelepiped.
Example 2
Referring to fig. 1-2, in the present embodiment, a further improvement is made on the basis of embodiment 1, a motion constraint point 004 of the linear actuator is disposed on a sidewall of the linear actuator 001; one end of the linear driving device 002 close to the linear actuator 001 is provided with a linear driving device motion constraint point 005;
the specific number of the linear actuator motion restraint points 004 and the linear driving device motion restraint points 005 is not limited, and in the embodiment, the number of the linear actuator motion restraint points 004 and the linear driving device motion restraint points 005 is two.
The utility model discloses a theory of operation is: bulb 3 is fixed at linear drive device telescopic link tip 5 with bulb fixed fastening 4, and bulb fitting piece 1 and bulb fitting piece 2 cooperate with 3 spheres of bulb after fastening in an organic whole with bulb fitting piece connecting fastening 6, realize having multi freedom's sphere pair and connect, can effectively tolerate the condition that linear drive device 002 and linear drive device 001's straight line final controlling element position central line 006 and linear drive device position central line 007 are not coaxial and have certain angle. The ball head assembly 100 is constrained in the cylindrical space formed by the linear actuator 001 and the linear driver 002 connecting piece, and the linear actuator 001 and the linear driver 002 connecting piece are connected into a whole through a linear actuator connecting piece fastener. The cylindrical outer diameter of the ball head assembly 100 is slightly smaller than the inner diameter of a cylindrical space formed by the linear actuator and the linear actuator connecting piece (delta L is 1-5 mm), so that small gap constraint is realized, and the condition that the shape and position center lines of the linear driving device 002 and the linear actuator 001 are not coaxial and are relatively parallel can be effectively tolerated.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. A connecting device of a linear motion mechanism is characterized by comprising a ball head component (100) used for connecting a linear actuating device (001) and a linear driving device (002), wherein the ball head component comprises a ball head fitting piece I (1), a ball head fitting piece II (2), a ball head (3), a ball head fixing fastener (4), a connecting linear driving device telescopic rod end part (5) and a ball head fitting piece connecting fastener (6), a groove for accommodating the ball head (3) is formed in the side wall of the ball head fitting piece I (1), the ball head (3) is arranged in the groove formed in the side wall of the ball head fitting piece I (1), one side of the ball head (3) far away from the ball head fitting piece I (1) is connected with the ball head fitting piece II (2), the ball head fitting piece I (1) and the ball head fitting piece II (2) are connected through the ball head fitting piece connecting fastener (6), and the connecting linear driving device telescopic rod end part (, the end part (5) of the telescopic rod of the connecting linear driving device is connected with the linear driving device (002), and the end part (5) of the telescopic rod of the connecting linear driving device is connected with the ball head (3) through the end part (5) of the telescopic rod of the connecting linear driving device; one end, close to the linear driving device (002), of the linear execution device (001) is connected with a linear execution device connecting piece (7) in a buckling mode, the linear execution device (001) is connected with the linear execution device connecting piece (7) through a linear execution device connecting piece fastening piece (8), and the linear execution device (001) and the linear execution device connecting piece (7) form a cylindrical groove (9) of the ball head assembly; the ball head assembly (100) is arranged inside the ball head assembly cylindrical groove (9).
2. The linear motion mechanism connection device of claim 1, wherein the ball-end fitting connection fastener (6) and the linear actuator connection member fastener (8) are both bolts.
3. The linear motion mechanism connecting device according to claim 1 or 2, wherein the outer contour of the first ball-fitting piece (1) is a rectangular parallelepiped.
4. The linear motion mechanism connection device according to claim 1, wherein the linear actuator (001) side wall is provided with a linear actuator motion restraint point (004); one end of the linear driving device (002) close to the linear actuating device (001) is provided with a motion constraint point (005) of the linear driving device.
5. The linear motion mechanism connection device according to claim 4, wherein the number of the linear actuator motion restraint points (004) and the linear drive motion restraint points (005) is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021153534.5U CN213017256U (en) | 2020-06-20 | 2020-06-20 | Linear motion mechanism connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021153534.5U CN213017256U (en) | 2020-06-20 | 2020-06-20 | Linear motion mechanism connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213017256U true CN213017256U (en) | 2021-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021153534.5U Active CN213017256U (en) | 2020-06-20 | 2020-06-20 | Linear motion mechanism connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213017256U (en) |
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2020
- 2020-06-20 CN CN202021153534.5U patent/CN213017256U/en active Active
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