TW202122695A - Linear transmission device - Google Patents

Abstract

A linear transmission device suitable for installing at least one electronic component, comprising a long shaft, a moving body arranged on the long shaft and has an end face, and a housing unit arranged on the end face and has a base member, at least one receiving member and an outer housing, the base member is arranged on the long shaft and has an connecting surface and a plurality of connecting portions, the receiving member is arranged on the base member and has a first locking surface, a second locking surface and a receiving groove for receiving the electronic component, the first locking surface has a plurality of connecting portions connecting to the connecting portions, the second locking surface is protrusively defined with a plurality of locking grooves, the outer housing is mounted on the receiving member and has a plurality of locking convex portions locked in the locking grooves.

Description

Linear actuator

The present invention is related to a linear transmission device, in particular a linear transmission device with a modular housing unit.

Please refer to Figure 1, which shows the Republic of China patent (I648488) related to a ball screw structure with detection function, including a screw shaft 10 with an external thread groove 101; a nut 11 along the axial direction of the screw shaft 10 It is displaceably sleeved on the screw shaft 10, and the nut 11 has an internal thread groove (not shown in the figure), and the internal thread groove is arranged corresponding to the groove of the outer thread 101 of the screw shaft 10, so that the internal thread groove of the nut 11 and A load channel is formed between the outer thread grooves 101 of the screw shaft 10; the ball assembly 12 is rollably arranged in the load channel; and a return cover 13 is directly arranged on the nut 11, and the return cover 13 is attached A microcontroller 14 and a sensor 15 are provided and can sense the rotation state of the screw shaft 10 in the nut 11.

However, the above-mentioned microcontroller 14 is easy to cause damage during the disassembly and assembly process, and the disassembly and assembly process is very complicated. As a result, it will cause troubles in maintenance and inspection or replacement of parts.

In addition, the above-mentioned reflow cover plate 13 of the ball screw structure with detection function is produced by an integrated molding process, resulting in too many restrictions on the final product, and it is impossible to modularly adjust the detection items according to the needs of the ball screw ( Such as: speed, vibration, temperature detection functions), it is also impossible to replace or increase the number of microcontrollers 14 according to actual needs. Because different customers have different requirements and installation environments, it is difficult to design a single specification. In response to different customers. Therefore, how to solve the above-mentioned conventional problems and deficiencies is the direction that the present invention intends to study and improve.

The main purpose of the present invention is to provide a linear transmission device. The housing unit of the housing unit has a modular design, which can be disassembled and assembled through simple operations, so that electronic components can be adjusted in various ways according to the needs of customers. More different application requirements.

The reason is that, in order to achieve the foregoing objective, a linear transmission device according to the present invention is suitable for installing at least one electronic component, including:

A long shaft, extending along an axial direction;

A moving body is provided on the long shaft member so as to be able to move back and forth along the axial direction, and has an end surface at one end; and

A housing unit having a base member and at least one accommodating member, the base member is disposed on the end surface of the moving body and sleeves the long shaft member, and has a set of joints and a plurality of joints on the set of joints The assembling part of, the at least one accommodating part is arranged on the base part, and the accommodating part has a first clamping surface facing the assembling surface and a second clamping surface opposite to the first clamping surface And a accommodating slot located between the first clamping surface and the second clamping surface and for installing the electronic component, the first clamping surface is provided with a plurality of connecting portions which are mutually assembled with the plurality of groups的连接部。 The connection part.

Preferably, the second clamping surface of the accommodating member is protruded with a plurality of clamping grooves, the housing unit further has a housing member set on the at least one accommodating member, and the housing member has a covering The base member and the covering surface of the at least one accommodating member, and a plurality of engaging protrusions protruding from the covering surface and fixedly positioned with the plurality of card slots.

Preferably, the linear transmission device is a ball screw, one of the accommodating members has a center of curvature, and the center of curvature is connected to the two ends of the accommodating member to form an included angle, and the included angle is greater than 180 degrees.

Preferably, the linear transmission device is a ball screw, the end surface of the moving body penetrates a first opening, and the accommodating member penetrates a second opening corresponding to the first opening. The area of the second opening is The area is larger than the first opening and the first opening is connected to the second opening.

Preferably, the linear transmission device is a ball screw, there are more than two accommodating members, and each accommodating member has a first joint end and a second joint end opposite to the first joint end Part, the first joint end and the second joint end of each accommodating part can be respectively concave and convexly engaged or magnetically connected to the first joint end and the second joint end of the adjacent accommodating part.

More preferably, a plurality of first electrode points are provided on the first joint end of each accommodating part, and a plurality of second electrode points are provided on the second joint end, and the first joint of the accommodating part The plurality of first electrode points at the end are electrically connected to the plurality of second electrode points at the second joint end of the adjacent accommodating member.

Preferably, the linear transmission device is a ball screw, the base member is a wiper, the long shaft member has an external thread groove, and the base member has an internal thread groove corresponding to the external thread groove.

Preferably, the linear transmission device is a linear slide rail, the housing unit has two accommodating parts, one accommodating part has a third joint end, and the other accommodating part has a connection with the first The three joint ends are concave-convex engagement or magnetically connected fourth joint ends.

More preferably, a plurality of third electrode points are provided on the third joint end portion, and a plurality of fourth electrode points are provided on the fourth joint end portion which can be respectively electrically connected to the plurality of third electrode points .

Preferably, the other housing unit can be arranged on the other end surface of the moving body.

Thereby, the present invention provides a linear transmission device, the main feature of which is that the housing unit of the housing unit adopts a modular design, which can be changed according to different needs of customers, arranged and combined into different styles, so that it can be installed in The electronic components in the housing unit can be adjusted in various ways according to the needs of customers, which facilitates the replacement or addition of the electronic components, so that customers can use the linear transmission device of the present invention more flexibly.

The foregoing and other technical content, features, and effects of the present invention will be clearly presented in the following detailed description of the preferred embodiment with reference to the drawings.

The preferred embodiment of the linear transmission device of the present invention is shown in FIGS. 2 to 7. The linear transmission device is a ball screw as an example, but not limited to this, or the linear slide rail of FIG. 10, wherein the linear transmission device The transmission device is suitable for installing multiple electronic components 20, including:

The long shaft member 30 extends along an axial direction 31; in this embodiment, the long shaft member 30 is a screw, and has a screw ring surface 32, and a screw ring surface 32 recessed in the screw ring surface 32 and in a helical shape External thread groove 33.

The moving body 40 can be sleeved outside the long shaft member 30 to be able to move back and forth along the axial direction 31 and can move linearly relative to the long shaft member 20; in this embodiment, the moving body 40 is a nut, and It has a pipe body 41, an outer convex ring 42 (commonly known as a flange in the industry) connected to the pipe body 41, and a threaded groove 33 arranged on the inner diameter surface of the pipe body 31 and corresponding to the long shaft member 30 Is provided with an inner rolling groove (not shown in the figure), the external thread groove 33 and the inner rolling groove form a load path for a rolling unit (not shown in the figure) to roll, and the tube body 41 has an end surface 411, A first opening 412 penetrates through the end surface 411.

Since the assembly method of the long shaft 30 and the movable body 40 is conventionally known, and its action method is the same as that of the conventional one, and it is not the focus of the creation of this case. Therefore, for these components (referring to the long shaft 30 and the moving body) The detailed structure, assembly method and actuation method of body 40) will not be described in detail.

The housing unit 50 is disposed on the end surface 411, and has a base member 51, a plurality of accommodating members 52, and a housing member 53. The base member 51 is disposed on the end surface 411 of the moving body 40 and sleeved on the end surface 411. The long shaft 30 has a positioning ring portion 511 that abuts against the end surface 411 of the moving body 40, and a mounting pipe portion 512 connected to the positioning ring portion 511 and provided for the plurality of accommodating members 52. The mounting The radially outer side of the tube portion 512 has a ring-shaped assembling surface 513, and a plurality of assembling portions 514 recessed on the assembling surface 513. The plurality of assembling portions 514 are grooves in this embodiment. The plurality of accommodating members 52 are arranged on the assembly surface 513 of the mounting pipe portion 512; in this embodiment, each of the accommodating members 52 is an arc-shaped member to facilitate matching installation on the mounting pipe portion The ring-shaped assembly surface 513 of 512, each of the accommodating members 52 has a first clamping surface 521 facing the assembly surface 513, a second clamping surface 522 opposite to the first clamping surface 521, and a second clamping surface 522 opposite to the first clamping surface 521. The supporting wall 523 connecting the first clamping surface 521 and the second clamping surface 522, and a supporting wall 523 located between the first clamping surface 521, the second clamping surface 522 and the supporting wall 523 and providing the electronic The accommodating groove 524 where the component 20 is installed, the first clamping surface 521 is provided with a plurality of connecting portions 525 that are assembled with the plurality of connecting portions 514, the plurality of connecting portions 525 are convex portions, and the A plurality of clamping grooves 526 are protrudingly formed on the two clamping surfaces 522. The housing member 53 is sleeved on the plurality of accommodating members 52 along the axial direction 31. The housing member 53 has a ring wall 531 and a ring The outer edge of the wall 531 extends from the connecting wall 532 extending axially from the ring wall 531. The end surface 411 of the ring wall 531 facing the moving body 40 and the radially inner side surface 5321 of the connecting wall 532 jointly form a covering surface 533, which covers The base member 51 and the plurality of accommodating members 52, the radially inner side surface 5321 is protruded with a plurality of engaging protrusions 534 that can be respectively engaged with the plurality of locking grooves 526; in this embodiment, the base The member 51 is a wiper and has an internal thread groove 515 corresponding to the external thread groove 33. The base member 51 can not only serve as a bridge between the plurality of accommodating members 52 and the moving body 40, but also At the same time, the foreign matter on the long shaft member 30 can be scraped off to achieve the effect of dust prevention, but it is not limited to this. In other embodiments, the base member 51 may only have a general ring structure and bridge the plurality of Between the accommodating member 52 and the moving body 40; the base member 51 is fixed to the end surface 411 of the tube body 41 by a locking member (not shown) in this preferred embodiment, which is not used in other embodiments For limitation, any fixing means for fixing the base member 51 to the end surface 411 of the tube body 41 should be included in the present invention. In addition, in this embodiment, the housing unit 50 is disposed on the end surface 411 of the pipe body 41, but it is not limited to this. In other embodiments, another housing unit 50 may be disposed on the moving body. 40 outside the end surface of the convex ring 42.

Referring to FIG. 4, the plurality of accommodating members 52 are three as an example, but it is not limited to this. It may also be two accommodating members 52 (as shown in FIG. 5), or four accommodating members 52. The accommodating member 52 (as shown in FIG. 6); therefore, compared with the conventional technology adopting an integrated design, the plurality of accommodating members 52 in this case have a modular design, and the plurality of accommodating members 52 can be installed in the plural according to the demand. Each accommodating member 52 is provided with different electronic components 20. In this embodiment, the electronic components 20 are sensors, such as accelerometers, strain gauges, metal sensors, and force sensors to measure Various data of the moving body 40 are measured, but not limited to this. In other embodiments, the electronic component 20 may also be other types of active/passive components, such as a processing unit (Processing). Unit), the arithmetic unit can be connected to the sensor arranged in the moving body 40 and calculate the data measured by the sensor, and transmit the calculated electronic signal to the outside. In summary, it can pass through Simple operation for disassembly and assembly enables the plurality of accommodating parts 52 to be adjusted in various ways according to customer needs to meet more different application requirements.

Referring again to FIGS. 4 to 6, in this embodiment, each accommodating member 52 has a first joint end 528 and a second joint end 529 opposite to the first joint end 528, The first joint end 528 and the second joint end 529 of each accommodating member 52 can be respectively concave and convexly engaged with the first joint end 528 and the second joint end 529 of the adjacent accommodating member 52; Therefore, the effect of combining stability and positioning is achieved, but it is not limited to this. Please refer to FIG. 9. In other embodiments, the first joint end 528 and the second joint end of each accommodating member 52 The portion 529 can be magnetically connected to the first joint end 528 and the second joint end 529 of the adjacent accommodating member 52, so as to form an easy-to-disassemble function. Among them, the first joint of each accommodating member 52 The joint end 528 has a first magnetic end surface 5281 and a first fixing groove 5282 that connects the first magnetic end surface 5281 and the groove bottom surface 5241 of the accommodating groove 524 and is provided with a first magnetic element 80. The second joint end 529 of the accommodating member 52 has a second magnetic end surface 5291 and a groove bottom surface 5241 connecting the second magnetically attractive end surface 5291 and the accommodating groove 524 and for setting a second magnetic member 90 In the second fixing groove 5292, the first magnetic member 80 and the second magnetic member 90 are magnets.

Referring again to FIG. 4, the number of the accommodating member 52 is three, and one of the accommodating members 52 has a center of curvature P, and the center of curvature P is connected to the two ends of the accommodating member 52 to form an included angle. θ, the included angle θ is greater than 180 degrees, so as to improve the robustness of the overall structure; in this embodiment, the accommodating member 52 and the remaining accommodating members 52 together form a 360-degree closed ring structure, but not in this embodiment The example is a limitation. In other embodiments, the plurality of accommodating members 52 does not have to form a 360-degree closed ring structure, and may also have openings (as shown in FIG. 6).

Referring again to FIG. 4, this case also includes a transmission unit 60 installed in a accommodating slot 524 of the accommodating member 52 and electrically connected to the electronic component 20; thereby, the purpose of signal transmission is achieved. The signal transmission is carried out in a wireless transmission mode, but it is not limited, or is transmitted in a wired transmission mode. In this embodiment, LoRa is used to achieve signal transmission. Therefore, it has long-distance transmission and low power consumption. , The advantages of low cost, but not limited by this, you can also use Wi-Fi, Li-Fi, Bluetooth, ZigBee, 4G, 5G and other wireless communication technologies for communication.

Each of the connecting portions 514 has a first neck region 5141 to which each of the connecting portions 525 abuts, and a first body region 5142 connected and perpendicular to the first neck region 5141. When the base member 51 and the plurality of accommodating members 52 are assembled, the connecting portion 525 of each accommodating member 52 is first passed through the first body area 5142 of the assembling portion 514, and then the accommodating member 52 is rotated The member 52 (rotation clockwise in this embodiment), so that the connecting portion 525 on the accommodating member 52 can be positioned at the periphery of the first neck region 5141; each of the locking grooves 526 has a card for each of the cards The second neck region 5261 against which the engagement protrusion 534 abuts and a second body region 5262 connected and perpendicular to the second neck region 5261. When the plurality of accommodating members 52 and the housing member 53 are assembled, the engaging protrusion 534 on the housing member 53 is first allowed to pass through the second body area 5262 of the locking groove 526, and then the housing member is rotated 53 (the same direction as the accommodating member 52), so that the engaging protrusion 534 on the housing member 53 can be positioned at the periphery of the second neck area 5261; thereby, the effect of stable assembly is achieved.

Please refer to FIG. 7, a accommodating member 52 penetrates through a second opening 527 corresponding to the first opening 412. The area of the second opening 527 is larger than the area of the first opening 412 and the first opening 412 The opening 412 is connected to the second opening 527; thereby, a circuit can pass through the first opening 412 and the second opening 527 from the inside of the movable body 40, thereby achieving the purpose of connecting the electronic component 20.

Please refer to FIGS. 8-9. The first joint end 528 is provided with a plurality of first electrode points 5283, and the second joint end 529 is provided with a plurality of second electrode points 5293. There are four first electrode points 5283, which are GND, VCC, SDA, and SCL, and the plurality of second electrode points 5293 are also four, which are GND, VCC, SDA, and SCL; The first joint end 528 and the second joint end 529 of 52 can respectively be electrically connected to the first joint end 528 and the second joint end 529 of the adjacent accommodating member 52, which can reduce wiring. Moreover, when one of the accommodating members 52 is disassembled, the advantage of not affecting the normal operation of the other electronic components 20 can also be achieved.

In addition, the above embodiment uses a ball screw as an illustration, and please refer to FIG. 10, the linear transmission device of this embodiment can also be applied to a linear slide, so that the long shaft 30 is a slide, and the moving body 40 is a slider. The base member 51 is set on the end cover 70 of the linear slide rail. In this embodiment, the housing unit 50 has two accommodating members 54 and 55, one of which is the accommodating member 54 It has a third joint end 541, the other accommodating member 55 has a fourth joint end 551 that can be engaged with the third joint end 541 by concave and convex, and the third joint end 541 is provided with a plurality of The third electrode point 5411. The fourth joint end 551 is provided with a plurality of fourth electrode points 5511 that can be respectively electrically connected to the plurality of third electrode points 5411, but this is not a limitation, please refer to FIG. 11 As shown, in other embodiments, a third magnetic member 100 is fixed in the accommodating groove 5412 of the third joint end 541, and a fourth magnetic member 100 is fixed in the accommodating groove 5512 of the fourth joint end 551. The member 110 magnetically connects the third joint end 541 and the fourth joint end 551 through the arrangement of the third magnetic member 100 and the fourth magnetic member 110, and its function and application are the same as the above-mentioned ball screw.

The above is the configuration description of the main components of the embodiment of the present invention. The effect of the present invention is explained as follows.

Therefore, the present invention provides a linear transmission device, the main feature of which is that the accommodating member 52 of the housing unit 50 adopts a modular design, which can be changed according to the different needs of customers, arranged and combined into different styles, so that the installation The electronic component 20 provided in the housing unit 50 can be adjusted in various ways according to the customer's needs, which facilitates the replacement or addition of the electronic component 20, so that the customer can use the linear transmission device of the present invention more flexibly.

﹝Xizhi﹞ 10: Screw shaft 101: External thread groove 11: Nut parts 12: Ball assembly 13: Reflow cover 14: Microcontroller 15: Sensor ﹝this invention﹞ P: center of curvature θ: included angle 20: Electronic components 30: Long shaft 31: Axial 32: Screw torus 33: External thread groove 40: moving body 41: Tube body 411: end face 412: first opening 42: Outer convex ring 50: housing unit 51: base piece 511: positioning ring 512: installation pipe 513: group junction 514: Assembly Department 5141: the first neck area 5142: first body area 515: Internal thread groove 52: Holder 521: The first card system surface 522: Second card system surface 523: Bearing Wall 524: Containment Slot 5241: groove bottom 525: Connection 526: Card Slot 5261: second neck area 5262: second body area 527: second opening 528: first joint end 5281: The first magnetic end face 5282: The first fixing slot 5283: first electrode point 529: second joint end 5291: The second magnetic end face 5292: Second fixing slot 5293: second electrode point 53: shell parts 531: Ring Wall 532: connecting wall 5321: radial inner side 533: coverage 534: engagement convex 54, 55: containing parts 541: third joint end 5411: third electrode point 5412, 5512: containing slot 551: fourth joint 5511: Fourth electrode point 60: Transmission unit 70: end cap 80: The first magnetic piece 90: The second magnetic part 100: The third magnetic part 110: The fourth magnetic part

Figure 1 is one of the drawings of the Republic of China patent (I648488) related to linear slides. Fig. 2 is a three-dimensional assembly diagram of the first embodiment of the present invention, showing that the linear transmission device is a ball screw. Fig. 3 is an exploded perspective view of the first embodiment of the present invention. Fig. 4 is an assembly diagram (1) of the housing unit of the first embodiment of the present invention. Figure 5 is an assembly diagram (2) of the housing unit of the first embodiment of the present invention. Fig. 6 is an assembly diagram (3) of the housing unit of the first embodiment of the present invention. Fig. 7 is a perspective view of the first embodiment of the present invention from another perspective. Fig. 8 is a three-dimensional schematic diagram of a receiving member according to a second embodiment of the present invention. Fig. 9 is a perspective view of a third embodiment of the present invention, showing the magnetic connection of adjacent accommodating members. FIG. 10 is a perspective exploded view of the fourth embodiment of the present invention, showing that the linear transmission device is a linear slide rail and the first accommodating member and the second accommodating member are engaged with each other in concave and convex. FIG. 11 is a perspective exploded view of the fifth embodiment of the present invention, showing that the linear transmission device is a linear slide rail and the first accommodating member and the second accommodating member are magnetically connected.

30: Long shaft

32: Screw torus

33: External thread groove

40: moving body

41: Tube body

411: end face

50: housing unit

51: base piece

511: positioning ring

512: installation pipe

513: group junction

514: Assembly Department

5141: the first neck area

5142: first body area

515: Internal thread groove

52: Holder

521: The first card system surface

522: Second card system surface

523: Bearing Wall

525: Connection

526: Card Slot

5261: second neck area

5262: second body area

527: second opening

528: first joint end

529: second joint end

53: shell parts

531: Ring Wall

532: connecting wall

5321: radial inner side

533: coverage

534: engagement convex

Claims (10)

A linear transmission device suitable for installing at least one electronic component, including: A long shaft, extending along an axial direction; A moving body is provided on the long shaft member so as to be able to move back and forth along the axial direction, and has an end surface at one end; and A housing unit having a base member and at least one accommodating member, the base member is disposed on the end surface of the moving body and sleeves the long shaft member, and has a set of joints and a plurality of joints on the set of joints The assembling part of, the at least one accommodating part is arranged on the base part, and the accommodating part has a first clamping surface facing the assembling surface and a second clamping surface opposite to the first clamping surface And a accommodating slot located between the first clamping surface and the second clamping surface and for installing the electronic component, the first clamping surface is provided with a plurality of connecting portions which are mutually assembled with the plurality of groups的连接部。 The connection part. The linear transmission device according to claim 1, wherein the second clamping surface of the accommodating member is protruded with a plurality of clamping grooves, and the housing unit further has a set of housing members provided on the at least one accommodating member, The housing member has a covering surface covering the base member and the at least one accommodating member, and a plurality of engaging protrusions protruding from the covering surface and fixed in position with the plurality of card slots. The linear transmission device of claim 1, wherein the linear transmission device is a ball screw, one of the accommodating members has a center of curvature, and the center of curvature is connected to the two ends of the accommodating member to form an included angle, and the included angle More than 180 degrees. The linear transmission device according to claim 1, wherein the linear transmission device is a ball screw, an end surface of the moving body penetrates a first opening, and the accommodating member penetrates a second opening corresponding to the first opening, The area of the second opening is larger than the area of the first opening and the first opening is connected to the second opening. The linear transmission device according to claim 1, wherein the linear transmission device is a ball screw, there are more than two accommodating members, and each accommodating member has a first joint end and an opposite to the first joint The second joint end of the end portion, the first joint end and the second joint end of each accommodating part can be respectively concave and convexly engaged or magnetically connected to the first joint end and the first joint end of the adjacent accommodating part Two joint ends. The linear actuator according to claim 5, wherein a plurality of first electrode points are provided on the first joint end of each accommodating member, and a plurality of second electrode points are provided on the second joint end, the The plurality of first electrode points of the first joint end of the accommodating part are electrically connected to the plurality of second electrode points of the second joint end of the adjacent accommodating part. The linear transmission device according to claim 1, wherein the linear transmission device is a ball screw, the base member is a wiper, the long shaft member has an outer thread groove, and the base member has an inner thread groove corresponding to the outer thread groove. Thread groove. The linear transmission device according to claim 1, wherein the linear transmission device is a linear slide rail, the housing unit has two accommodating parts, one accommodating part has a third joint end, and the other accommodating part The member has a fourth joint end that can be buckled or magnetically connected to the third joint end. The linear actuator according to claim 8, wherein a plurality of third electrode points are provided on the third joint end, and a plurality of third electrode points are provided on the fourth joint end to be electrically connected to the plurality of third electrode points. Sexually conductive fourth electrode point. The linear transmission device according to claim 1, wherein the other housing unit can be disposed on the other end surface of the moving body.

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