TWI644042B - Hand-held two-way drive - Google Patents

Abstract

A hand-held two-way driving device has a fixing base, and the fixing base is provided with a driving shaft, and the driving shaft is connected with a rolling ring through a one-way transmission member, and the rolling ring is connected with a pulling rope. The rolling ring can be pulled to rotate, and the rolling ring is further connected with an elastic member for providing reverse winding power to drive the rolling ring to be reset after the rolling ring is rolled, and further comprising an output shaft, The output shaft is connected to a first toothed ring through a first clutch member, and a second toothed ring is connected through a second clutch member. The first ring gear and the second ring gear are connected to the drive shaft, and The utility model comprises a directional control unit for controlling the first clutch member to engage or disengage the second clutch member to select the first toothed ring or the second toothed ring to rotate the output shaft for forward rotation or reverse rotation.

Description

Hand-held two-way drive

The invention relates to a driving device, in particular to a hand-held two-way driving device which uses a hand to perform bidirectional driving.

A manual drive is often used to drive an adjustment mechanism for lifting adjustment, length adjustment or position adjustment of the object, such as a lifting adjustment table, which usually has a table top with a plurality of adjustable heights. The table leg has a fixed tube, the fixed tube is connected to a sliding tube through an adjusting mechanism, and the adjusting mechanism is connected with a manual driver, wherein the adjusting mechanism usually adopts a screw The transmission group has a plurality of fixing bases disposed on the fixed tube and the sliding tube, and a screw is arranged on the fixing base, whereby when the manual driving device is used to drive the screw to rotate, The slide tube is screwed back and forth along the axial direction of the fixed tube to change the position of the slide tube relative to the fixed tube, thereby achieving the purpose of adjusting the height of the table leg.

However, the existing manual drive is usually driven by a rocker arm or a wheel, which is not only bulky, but also requires a large operation space, especially when used in the above-mentioned lifting and adjusting table, for the sake of beauty and avoidance. The user is injured, the manual drive is placed under the table, and it is not convenient to operate. Therefore, the inventor of the present invention observed After describing the shortcomings, it is considered that there is still a need for further improvement in the driving mode of the existing adjustment mechanism, and the present invention is produced.

The object of the present invention is to provide a hand-operated bidirectional driving device, which can drive the output shaft to perform forward and reverse rotation by pulling and pulling the rope, and has the advantages of small volume and easy operation.

In order to achieve the above object, the hand-held bidirectional driving device provided by the present invention comprises: a fixing base, which is provided with an output hole, and respectively forms two ends of the output hole on the circumferential side of the fixing seat; a first opening and a second opening, wherein the fixing seat further has a driving hole laterally communicating with the output hole; and a driving unit having a driving shaft pivoted in the driving hole, and the driving shaft One of the end portions is provided with a driving tooth portion, and the driving shaft sleeve is provided with a rolling ring, and at least one one-way transmission member is disposed between the rolling ring and the driving shaft, and the rolling ring is wound with a pulling a rope, the drawstring can pull the scroll ring to rotate, and synchronously drive the drive shaft to rotate through the one-way transmission member, and the scroll ring is further connected with an elastic member for providing after the scroll ring is rolled The reverse winding power drives the scroll ring to be reset, wherein the scroll ring system is separated from the one-way transmission member and idling; and a bidirectional output unit has an output shaft pivoted to the output hole, and The output shaft corresponds to one end of the first opening a coupling portion is disposed, and the output shaft is provided with a connecting hole corresponding to one end of the second opening, and the peripheral side of the output shaft is further radially disposed to communicate with the first receiving slot and the second receiving slot of the connecting hole. And a first clutch member is disposed on the first pocket, and a second clutch member is disposed on the second pocket, and the output shaft is corresponding to the first clutch member. a first toothed ring is disposed on the side of the first toothed ring, and a first toothed portion is disposed on the side of the first ring, and the second output ring is disposed on the second clutch. The second toothed ring is disposed with a second tooth portion toward the side of the first ring gear, and the driving tooth portion of the driving shaft is disposed between the first tooth ring and the second tooth ring, and the first The tooth portion and the two tooth portions are engaged, so that the driving shaft can simultaneously rotate the first ring gear and the second ring gear in opposite directions; and a direction control unit includes a threaded through the connecting hole a control lever, and one end of the control rod is connected to an operating portion, the operating portion is located adjacent to the second opening, the peripheral side of the control rod is opposite to the first clutch member, and a first abutting top portion The second clutch member is provided with a second abutting top, and the lever is movable relative to the output shaft to form a first position and a second position, wherein when the operating portion is rotated to position the lever in the first position The first abutting top abuts the first clutch member to be engaged with the first ring gear, so that The first ring gear can be driven by the driving tooth portion to rotate the output shaft. When the operating portion is rotated to position the lever in the second position, the second abutting top is engaged with the second clutch member. In the second ring gear, the second ring gear can be driven by the driving tooth portion to interlock the output shaft to rotate in the opposite direction.

The hand-held bidirectional driving device provided by the invention can pull the pulling rope through the reciprocating pull to pull the rolling ring to rotate the driving shaft for one-way rotation, and the driving tooth portion of the driving shaft can be simultaneously driven The first ring gear and the second ring gear rotate in mutually opposite directions. If the control rod is in the first position, the first abutting top abuts the first clutch to engage the first tooth. a ring, such that the first ring gear can be driven by the driving tooth portion to rotate the output shaft, and if the control rod is located at the second position, the second abutting portion abuts the second clutch member The second ring gear allows the second ring gear to be driven by the drive The output of the toothed portion is interlocked to rotate the output shaft in reverse, thereby allowing the user to drive the output shaft to perform forward and reverse rotation by pulling the drawstring, and has the advantages of small size and easy operation.

100‧‧‧Hand-held two-way drive

10‧‧‧ Fixed seat

11‧‧‧

111‧‧‧Output hole

112‧‧‧ first opening

113‧‧‧ second opening

114‧‧‧ drive holes

115‧‧‧Perforation

12‧‧‧ Cover

121‧‧‧Axis

122‧‧‧ positioning slot

13‧‧‧ Bearing

20‧‧‧Drive unit

21‧‧‧Drive shaft

211‧‧‧ shaft hole

212‧‧‧ drive tooth

213‧‧‧Drive slot

22‧‧‧ scrolling ring

221‧‧‧Rolling the ratchet

222‧‧‧

223‧‧‧Positioning holes

23‧‧‧One-way transmission parts

231‧‧‧Transmission spring

232‧‧‧Transmission to the top block

233‧‧‧Drive ratchet

24‧‧‧Drawstring

241‧‧‧ Pull ring

25‧‧‧Flexible parts

251‧‧‧End

30‧‧‧Bidirectional output unit

31‧‧‧ Output shaft

311‧‧‧Combination Department

312‧‧‧connection hole

313‧‧‧First pocket

314‧‧‧Second capacity

315‧‧‧ first through hole

316‧‧‧second through hole

32‧‧‧First clutch

321‧‧‧ first through hole

322‧‧‧First joint ratchet

323‧‧‧First tripping ratchet

33‧‧‧First bolt

34‧‧‧Second clutch

341‧‧‧Second through hole

342‧‧‧Second joint ratchet

343‧‧‧Second jumped ratchet

35‧‧‧Second latch

36‧‧‧First tooth ring

361‧‧‧First tooth

362‧‧‧First driven ratchet

37‧‧‧Second toothed ring

371‧‧‧second tooth

372‧‧‧Second slave ratchet

40‧‧‧ Directional Control Unit

41‧‧‧Control lever

411‧‧‧First Abutment Hole

412‧‧‧Second top hole

42‧‧‧Operation Department

43‧‧‧First arrival at the top

431‧‧‧First abutting spring

432‧‧‧First tie-up

44‧‧‧second arrival at the top

441‧‧‧Second top spring

442‧‧‧Secondary

200‧‧‧ height adjustable table legs

201‧‧‧Fixed tube

202‧‧‧Adjustment agency

203‧‧‧Sliding tube

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a perspective view of a preferred embodiment of the present invention.

Figure 2 is a partial exploded view of a preferred embodiment of the present invention.

Figure 3 is a cross-sectional view of a preferred embodiment of the present invention.

Figure 4 is an exploded view of the drive unit of the preferred embodiment of the present invention.

Figure 5 is an exploded view of the bidirectional output unit of the preferred embodiment of the present invention.

Figure 6 is a schematic illustration of the use of a preferred embodiment of the invention.

Figure 7 is a schematic view of the operation of the preferred embodiment of the present invention to show the state of the scroll ring as it rotates.

Figure 8 is a schematic view of the operation of the preferred embodiment of the present invention to show the state of the drive shaft as it rotates.

Figure 9 is a schematic view showing the operation of the preferred embodiment of the present invention to show the state of the first ring when the lever is in the first position.

Figure 10 is a schematic view showing the operation of the preferred embodiment of the present invention to show the state of the second ring when the lever is in the first position.

Figure 11 is a schematic illustration of the operation of the preferred embodiment of the present invention to show the state of the first toothed ring when the lever is in the second position.

Figure 12 is a schematic view of the operation of the preferred embodiment of the present invention to show the state of the second ring when the lever is in the second position.

Please refer to FIG. 1 , FIG. 2 and FIG. 3 , which are perspective views, partial exploded views and cross-sectional views of a preferred embodiment of the present invention, and the present invention is shown in conjunction with FIGS. 4 and 5 . An exploded view of the driving unit of the preferred embodiment, and an exploded view of the bidirectional output unit, which discloses a hand-held bidirectional driving device 100, which includes: a fixing base 10, The body 11 has a body 11 , and the body 11 is provided with an output hole 111 , and a first opening 112 and a second opening 113 are respectively formed at two ends of the output hole 111 on the circumferential side of the body 11 . At the same time, the base 11 is further provided with a driving hole 114 that laterally communicates with the output hole 111, and a through hole 115 that communicates with the driving hole 114. Further, the fixing base 10 further has a cover 12, and the cover 12 is covered by The housing body 11 is provided with one of the driving holes 114, and the cover body 12 is convexly disposed on one side of the driving hole 114. The shaft center portion 121 is provided with a positioning groove 122. The fixing base 10 is further provided with one at the first opening 112 and the second opening 113. Bearing 13.

A driving unit 20 is provided with a driving shaft 21, and the driving shaft 21 is provided with a shaft hole 211 corresponding to the shaft center portion 121, and the shaft core portion 121 is disposed through the shaft hole 211, so that the driving shaft 21 is provided. The driving shaft 21 is pivotally connected to the driving hole 114, and one end of the driving shaft 21 is provided with a driving tooth portion 212, and the peripheral side of the driving shaft 21 is recessed with at least one transmission groove 213, and the driving shaft 21 is sleeved with a sleeve Scrolling ring 22, the inner side ring of the rolling ring 22 is provided with a scrolling ratchet a portion 221, the outer side of the scroll ring 22 is provided with a winding groove 222 corresponding to the through hole 115, and the rolling ring 22 is further provided with a positioning hole 223, and the rolling ring 22 and the driving shaft 21 are further disposed. At least one one-way transmission member 23 is provided, and the one-way transmission member 23 has a transmission spring 231 and a transmission abutting block 232 received in the transmission groove 213, and the transmission abutting block 232 faces the transmission. One side of the slot 213 is provided with a transmission ratchet portion 233, the transmission ratchet portion 233 is engaged with the scroll ratchet portion 221, and the other side of the transmission abutting block 232 is elasticized by the transmission spring 2 To the top, the scroll ring 22 is wound through the take-up groove 222 with a pull cord 24, one end of the pull cord 24 is fixed to the scroll ring 22, and the other end of the pull cord 24 passes through the A pull ring 241 is connected to the through hole 115. The pull cord 24 can pull the scroll ring 22 to roll. In addition, the scroll ring 22 is further connected with an elastic member 25, such as a scroll spring, and two ends of the elastic member 25. The 251 is respectively connected to the positioning slot 122 and the positioning hole 223, and is configured to provide a reverse winding power to drive the scroll ring 22 to be reset after the scroll ring 22 is rolled.

a bidirectional output unit 30 having an output shaft 31 pivotally disposed on the bearing 13 and pivoted to the output hole 111, and the output shaft 31 is provided with a joint portion 311 corresponding to one end of the first opening 112. The output shaft 31 is provided with a connecting hole 312 corresponding to one end of the second opening 113, and the peripheral side of the output shaft 31 is further radially provided with a first receiving slot 313 and a second connecting the connecting hole 312. a second through hole 316 penetrating through the first receiving groove 313 and a second through hole 316 penetrating through the second receiving groove 314, and the bidirectional output unit 30 is disposed in the first through hole 315 A first receiving member 32 is disposed in a receiving portion 313. A first through hole 321 is defined in the first through hole 315 corresponding to the center of the first engaging member 32, and is disposed through a first pin 33. The first through hole 315 and the first through hole 321 are configured to pivot the first clutch member 32 to the first receiving groove 313, and the two ends of the first clutch member 32 are respectively provided with a The first engaging ratchet portion 322 and a first tripping ratchet portion 323, and the bidirectional output unit 30 receives a second clutch member 34 in the second receiving slot 314, the center of the second clutch member 34 The second through hole 316 is disposed in the second through hole 316, and the second through hole 316 is inserted through the second through hole 316 and the second through hole 341 to pivot the second clutch member 34. In the second receiving slot 314, the second engaging member 34 is respectively provided with a second engaging ratchet portion 342 and a second jumping ratchet portion 343, and the output shaft 31 corresponds to the first A first toothed ring 36 is disposed on the clutch member 32. One of the first ring gears 36 is provided with a first tooth portion 361, and the inner ring surface of the first toothed ring 36 is provided with a first ring. The driven ratchet portion 362 is engageable with the first engaging ratchet portion 322 to disengage from the first tripping ratchet portion 323, and the output shaft 31 is A second toothed ring 37 is disposed on the second clutch member 34, and the second toothed ring 37 is provided with a second tooth portion 371 toward the side of the first toothed ring 36, and the second toothed ring is provided. Within 38, the torus is The second driven ratchet portion 372 is engageable with the second engaging ratchet portion 342 and is disengaged from the second tripping ratchet portion 343. The driving tooth portion 212 of the driving shaft 21 is disposed between the first ring gear 36 and the second ring gear 37, and meshes with the first tooth portion 361 and the two tooth portions 371 to drive the driving The shaft 21 can simultaneously rotate the first ring gear 36 and the second ring gear 37 in opposite directions.

The directional control unit 40 includes a control rod 41 disposed at the connecting hole 312, and an end portion of the control rod 41 is connected to the operating portion 42. The operating portion 42 is located adjacent to the second opening 113. In this embodiment, the operating portion 42 is protruded from the second opening 113, and the control rod 41 is provided with a first abutting hole 411 corresponding to the first receiving groove 313, and corresponding to the second receiving groove 314. There is a second abutment hole 412, and the peripheral side of the control rod 41 is A first abutting top portion 43 is disposed on the first clutching member 32. The first abutting top portion 43 has a first abutting spring 431 and a first abutting portion sequentially received in the first abutting hole 411. The second side of the control member 41 is provided with a second abutting portion 44 corresponding to the second clutch member 34. The second abutting portion 44 is sequentially received in the second abutting hole 412. a second abutting spring 441 and a second abutting pin 442, wherein the control rod 41 is rotatable in the connecting hole 312 to form the first position and the second position, and when the operating portion 42 is rotated, the When the control rod 41 is in the first position, the first abutting top portion 43 abuts the first engaging ratchet portion 322 to engage the first driven ratchet portion 362, and the second abutting top portion 44 abuts the first portion The second tripping ratchet portion 343 is coupled to the second driven ratchet portion 372, and when the operating portion 42 is rotated to position the lever 41 in the second position, the first abutting portion 43 is abutted against the first portion A tripping ratchet portion 323 is coupled to the first driven ratchet portion 362, and the second abutting portion 44 abuts the second engaging ratchet portion 342 to engage the second driven ratchet portion 37 2.

For a further understanding of the structural features of the present invention, the application of the technical means, and the intended effect, the present invention will be described. It is believed that the invention can be more deeply and specifically understood as follows: FIG. 6 is a schematic view showing the use of a preferred embodiment of the present invention. The hand-held bidirectional driving device 100 is disposed on an adjustable height table leg 200 having a fixed height. The tube 201 is connected to a sliding tube 203 through an adjusting mechanism 202. The adjusting mechanism 202 is a screw transmission group. The screw transmission group is a conventional structure, and the hand is not described herein. The pull-type bidirectional driving device 100 is disposed on the fixed pipe 201, and the connecting portion 311 is connected to the adjusting mechanism 202, so that the output shaft 31 can drive the adjusting mechanism 202 to drive the sliding pipe 203 along the fixed pipe 201. Axial The front and rear reciprocating slides are used to change the position of the slide tube 203 relative to the fixed tube 201. The manner of operation of the hand-held bidirectional driving device 100 is as follows.

Referring to FIG. 7 and FIG. 8 simultaneously, when the user pulls the pull cord 24, the pull cord 24 pulls the scroll ring 22 to roll, and at this time, the scroll ratchet portion 221 is engaged. The drive ratchet portion 233, so that the scroll ring 22 drives the drive shaft 21 to rotate through the one-way transmission member 23, and when the user releases the pull cord 24, at this time, due to the elastic member 25 The end portion 251 is respectively connected to the positioning groove 122 and the positioning hole 223, so that the elastic member 25 will provide reverse winding power to drive the scroll ring 22 to be reset after the scroll ring 22 is rolled, and the rolling blade The tooth portion 221 is tripped off the transmission ratchet portion 233, and the scroll ring 22 is idling to retract the pull cord 24, thereby allowing the user to reciprocally pull the pull cord 24 to drive the drive shaft 21 Continuously rotating in one direction, and when the drive shaft 21 starts to rotate, at this time, because the driving tooth portion 212 of the drive shaft 21 is disposed between the first ring gear 36 and the second ring gear 37, and the same The one tooth portion 361 and the two tooth portions 371 are engaged, so that the driving shaft 21 can simultaneously drive the first ring gear 36 and the second ring gear 37 to rotate in opposite directions. move.

Please refer to FIG. 9 and FIG. 10 at the same time. After the driving tooth portion 212 starts to rotate the first ring gear 36 and the second ring gear 37, the control rod 41 is located at the first time. Positioned, the first abutting top portion 43 abuts the first engaging ratchet portion 322 to engage the first driven ratchet portion 362, and the second abutting portion 44 abuts the second tripping ratchet portion 343 is coupled to the second driven ratchet portion 372, whereby the first ring gear 36 can be driven by the driving tooth portion 212 to rotate the output shaft 31, and the second ring gear 37 is idling. .

Referring to FIG. 11 and FIG. 12 again, if the user wants to change the rotation direction of the output shaft 31, the control lever 41 is rotated to position the control lever 41 in the second position. The first abutting top portion 43 is adapted to be coupled to the first tripping ratchet portion 323 to be coupled to the first driven ratchet portion 362, and the second abutting top portion 44 is adapted to the top of the second engaging ratchet portion. The portion 342 is coupled to the second driven ratchet portion 372, whereby the second ring gear 37 can be driven by the driving tooth portion 212 to interlock the output shaft 31 to rotate in the reverse direction, and the first ring gear 36 Then there is idling.

Thus, the hand-held bidirectional driving device 100 of the present invention can drive the output shaft 31 to rotate forward and backward by pulling the cable 24 to further drive the adjusting mechanism 202 to drive the sliding tube 203 along the fixed tube. The axial direction of 201 rotates back and forth to change the sliding tube 203 with respect to the fixed tube 201, and has the advantages of small volume and easy operation.

Further, the features of the present invention and the achievable expected effects thereof are as follows: In the hand-held bidirectional driving device 100 of the present invention, the user can pull the pull cord 24 reciprocally to pull the scroll ring 22 to link the same The driving shaft 21 is unidirectionally rotated, and the driving tooth portion 212 of the driving shaft 21 can simultaneously rotate the first ring gear 36 and the second ring gear 37 in opposite directions. In the first position, the first abutting top portion 43 is coupled to the first clutch member 32 to engage the first ring gear 36, so that the first ring gear 36 can be driven by the driving tooth portion 212 to link the output. The shaft 31 rotates, and if the control rod 41 is in the second position, the second abutting portion 44 is coupled to the second clutch member 34 to be engaged with the second ring gear 37, so that the second ring gear 37 can be The output shaft 31 is driven to rotate in the opposite direction by the driving tooth portion 212, thereby allowing the user to drive the output shaft 31 to perform forward and reverse rotation by pulling the cable 24, and has a small size and easy operation. Etc.

In summary, the present invention has excellent advancement and practicality in the same kind of products, and at the same time, the technical materials of such structures are widely investigated at home and abroad, and the same is not found in the literature. The structure exists first, so that the present invention already has the invention patent requirements, and the application is filed according to law.

However, the above-mentioned ones are merely preferred embodiments of the present invention, and the equivalent structural changes of the present invention and the scope of the claims are intended to be included in the scope of the present invention.

Claims (10)

A hand-held bidirectional driving device includes: a fixing base having an output hole, and a first opening and a second opening respectively formed at two ends of the output hole corresponding to the circumferential side of the fixing seat The driving base is further provided with a driving hole that laterally communicates with the output hole; a driving unit having a driving shaft pivoted in the driving hole, and one driving end of the driving shaft is provided with a driving tooth portion, and The drive shaft sleeve is provided with a scroll ring, and at least one one-way transmission member is disposed between the scroll ring and the drive shaft, and the scroll ring is wound with a pull cord, and the pull rope can pull the scroll The ring is rolled and synchronously drives the drive shaft to rotate through the one-way transmission member, and the scroll ring is further connected with an elastic member for providing reverse winding power to drive the scroll ring after the scroll ring is rolled At this time, the scroll ring system is separated from the one-way transmission member and idling; a bidirectional output unit having an output shaft pivoted to the output hole, and the output shaft corresponds to one end of the first opening There is a joint, and the output shaft corresponds to One end of the two openings is provided with a connecting hole, and the peripheral side of the output shaft is further provided with a first receiving groove and a second receiving groove communicating with the connecting hole, and the first receiving groove is disposed in the first receiving groove. a first clutch member, and a second clutch member disposed on the second pocket, wherein the output shaft is sleeved with a first ring gear corresponding to the first clutch member, and one side of the first ring gear is The ring is provided with a first toothed portion, and the output shaft is sleeved with a second toothed ring corresponding to the second clutching member, and the second toothed ring is provided with a second tooth toward the side of the first toothed ring. And the driving tooth portion of the driving shaft is disposed between the first tooth ring and the second tooth ring, and meshes with the first tooth portion and the two tooth portions, so that the driving shaft can simultaneously drive the driving shaft The first ring gear and the second ring gear rotate in opposite directions; a directional control unit includes a control rod disposed through the connecting hole, and one end of the control rod is connected to an operating portion, and the operating portion is adjacent to the operating portion At the second opening, the peripheral side of the control rod is provided with a first abutting top corresponding to the first clutch member, and The second clutch member is provided with a second abutting top, and the control rod is movable relative to the output shaft to form a first position and a second position, wherein when the operating portion is rotated, the control rod is located at the first In the position, the first abutting top abuts the first clutch member to be engaged with the first ring gear, so that the first toothed ring can be driven by the driving tooth portion to rotate the output shaft, when the operating portion is rotated When the control rod is in the second position, the second abutting top abuts the second clutch member to engage the second ring gear, so that the second ring gear can be driven by the driving tooth portion. The output shaft rotates in the opposite direction. The hand-held two-way driving device according to claim 1, wherein the fixing base has a body, the seat system is provided with the output hole and the driving hole, and the fixing seat has a cover body. The cover system is disposed on one side of the base body, and the cover body has a shaft center portion protruding toward one side of the drive hole, and the drive shaft is provided with a shaft hole corresponding to the shaft center portion. And inserting the shaft center portion into the shaft hole to pivotally connect the driving shaft to the driving hole. The hand-held two-way driving device according to claim 1, wherein the fixing seat is provided with a through hole communicating with the driving hole, and the rolling ring is provided with a winding groove corresponding to the perforating ring. The drawstring is retracted in the take-up groove, and one end of the drawstring can be fixed to the scroll ring, and the other end of the drawstring is connected through the through hole to have a pull ring. The hand-held two-way driving device according to claim 1, wherein the peripheral side of the drive shaft is recessed with at least one transmission groove, and the one-way transmission member is received in the transmission groove. a transmission spring and a transmission abutting block, the transmission abutting block is provided with a transmission ratchet portion toward one side of the transmission slot, and the inner side ring of the scroll ring is provided with a scroll ratchet portion, The transmission ratchet portion is engaged with the scroll ratchet portion, and the other side of the transmission abutting block is elastically abutted by the transmission spring. The hand-held bidirectional driving device according to claim 1, wherein the output shaft is provided with a first through hole penetrating the first receiving groove, and the center position of the first clutch member corresponds to The first through hole is provided with a first through hole, and the first through hole is inserted through the first through hole and the first through hole, so that the first clutch member is pivoted to the first receiving groove, and the output is further The shaft is threaded through the second through hole of the second receiving slot, and the central position of the second clutch member is opposite to the second through hole, and a second through hole is disposed through the second through hole. The second through hole and the second through hole are configured to pivot the second clutch member to the second receiving groove. The hand-held two-way driving device according to claim 5, wherein the two ends of the first clutch member are respectively provided with a first engaging ratchet portion and a first tripping ratchet portion, and the first The inner ring surface of the toothed ring is provided with a first driven ratchet portion, and the first driven ratchet portion is engageable with the first engaging ratchet portion, and the first tripping ratchet portion The two ends of the second clutch are respectively provided with a second engaging ratchet portion and a second jumping ratchet portion, and the inner ring surface of the second ring gear is provided with a second slave ring. a second ratchet portion that is engageable with the second engaging ratchet portion and that is disengaged from the second tripping ratchet portion, and the control rod of the direction control unit is Rotating in the connecting hole to form the first position and the second position. In the first position, the first abutting top abuts the first engaging ratchet to engage the first driven ratchet The second abutting top portion abuts the second tripping ratchet portion to engage the second driven ratchet portion, and in the second position, the first abutting top portion is abutted The first tripping ratchet portion is coupled to the first driven ratchet portion, and the second abutting top portion abuts the second engaging ratchet portion to engage the second driven ratchet portion. The hand-held two-way driving device according to claim 1, wherein the control rod is provided with a first abutting hole corresponding to the first receiving groove, and a second abutting corresponding to the second receiving groove a first abutting top portion having a first abutting spring and a first abutting pin sequentially received in the first abutting hole, and the second abutting top is sequentially placed a second abutting spring and a second abutting pin in the second abutment hole. The hand-held bidirectional driving device according to claim 1, wherein the operating portion is protruded from the second opening. The hand-held two-way driving device according to any one of claims 1 to 8, wherein the hand-held two-way driving device is disposed on an adjustable height table leg, the adjustable height table The foot system has a fixed tube connected to a sliding tube through an adjusting mechanism, and the hand-held bidirectional driving device is disposed on the fixed tube, and the joint portion is connected to the adjusting mechanism to make the output shaft The adjusting mechanism can be driven to drive the sliding tube to slide back and forth along the axial direction of the fixed tube to change the position of the sliding tube relative to the fixed tube. A height-adjustable table leg having a hand-held two-way driving device according to claim 9 of the patent application, wherein the adjusting mechanism is a screw transmission group.