TWM508406U - Tool joint - Google Patents

Description

Tool connector

The present invention relates to a tool joint, which mainly refers to a joint that can be inserted into a screwdriver head, and has better dynamic stability and reduced component cost.

The conventional connector mainly has a slot, and the slot can be inserted into different types of screwdriver heads according to requirements to improve the applicable function, and the joint is continuously improved, and has a joint structure capable of quickly breaking the screwdriver head, as shown in the sixth figure. One of the conventional structures is shown, which mainly has a plug connector 1', a holding device 2', a sliding device 3', and a plug 11' at the front end of the plug connector 1' which can be inserted into the screwdriver head 4'. The rear is provided with a post 10' which can be combined with a manual, pneumatic and electric tool, and radial holes 12', 13' are respectively arranged in front of the insertion hole 11' and at the center, and the radial holes 12', 13' are respectively positioned a steel ball 121', 131' is provided, and a first retaining edge 14' is disposed on the inner wall of the jack 11', and a groove 15' is disposed on the outer wall of the plug connector 1', and a retaining ring 16' is disposed in the recess 15'; The top holding device 2 ′ includes a top holding seat 21 ′, a magnet 22 ′, and a spring 23 ′, and the top holding seat 21 ′ is disposed at a position corresponding to the first rim 14 ′ of the insertion hole 11 ′, and The socket 11' is axially displaced, and the groove 211' is disposed at the center, and the outer front end has a recess 212', and the outer rear end is abuttable against the steel. The abutting edge 213' of the 131' and the abutting edge 213' and the recess 212' are at a right angle a, and have a second retaining edge 214' which can abut against the first retaining edge 14', and the magnet 22' is disposed in the concave The spring 23' is disposed behind the insertion hole 11', and the two ends are respectively abutted against the bottom pin 10' of the insertion hole 11' and the magnet 22', and provide the top holding device 2' to be elastic; The sleeve device 3' has a sleeve body 31', a rear retaining ring 32', a spring 33', a front retaining ring 34', and the sleeve body 31' is disposed outside the plug joint 1', has a sleeve hole 311' in the center, and is sleeved. 311' front has a small diameter and can be placed against the steel ball 131' The retaining wall 312' has a larger diameter recess 313', and the rear retaining ring 32' is disposed behind the sleeve hole 311'. The spring 33' is disposed between the rear retaining ring 32' and the retaining ring 16'. The sleeve 31' can be provided to be elastic, and the front retaining ring 34' is disposed at the front end of the sleeve hole 31' and can abut the front end of the joint 1', and as shown in the seventh figure, when the plugmer head 4' is inserted When the hole 11' is inside, the holding device 2' can be moved backward toward the insertion hole 11' and the spring 23' is compressed, and the position of the concave portion 212' of the top holding seat 21' is corresponding to the position of the steel ball 131', so that the steel ball 131' can be moved to the concave portion 212' displacement, and the sliding sleeve 3' can be displaced rearward by the elastic force of the spring 33' so that the retaining wall 312' can abut against the steel ball 131', and the front retaining ring 34' can abut against the front end of the plug joint 1', and the screwdriver The card slot 41' of the head 4' can be engaged with the steel ball 121'.

When the driver's head 4' is to be taken out, the user can move the sleeve 31' forward to the position as shown in the sixth figure, and the steel ball 131' can be displaced to the concave portion 313', so that the top holder 21' can be used by the spring 23' The elastic force advances and holds the screwdriver head 4' toward the outside of the insertion hole 11' to be quickly taken out.

However, the aforementioned structure still has the following drawbacks:

1. The two independent springs 23', 34' and the complex components of the stopper 16', the rear stopper 32', and the front retaining ring 34' must be provided, which is inconvenient to assemble and will increase the component cost and failure rate.

2. If the steel ball 131' is not rapidly displaced toward the concave portion 212' when the insertion head 4' is inserted into the insertion hole 11', the sleeve 31' may be displaced backward to cause the movement to be unsmooth.

3. When the driver's head 4' is to be removed and the sleeve 31' is pushed forward, the top holder 21' is radially displaced from the steel ball 131' by a right angle a between the abutting edge 213' and the recess 212', but The position of the right angle a is easy to cause the locking operation to be unsmooth.

The purpose of this creation is to provide a structure that can achieve better actuation stability and reduce component cost.

The creation comprises a plug connector, a jacking device and a sliding sleeve device, and the plug connector has a jack in front of the plug connector, and the rear has a post, and the first and second radial holes are respectively arranged in front of and behind the jack, and The first and second radial holes are respectively disposed with the first and second positioning beads; and the first retaining ring is disposed outside the front side of the plug connector; and the holding device comprises a top holding seat and a magnet, and the top holding seat is disposed in the plug Behind the hole, it can be made of plastic or other suitable material, the front is grooved, and the rear forming part has an elastic part that can abut against the bottom wall of the jack, and the side of the side of the groove has a concave part, and the back side of the recess has a top Holding the abutting portion of the second positioning bead; the magnet is disposed in the groove of the top holding seat; the sliding sleeve device has a set body, a rear retaining ring, a spring, and the sleeve body can be sleeved on a sleeve hole in front of the connector, and the front inner wall of the sleeve has a second guiding slope facing the first positioning bead; the rear retaining ring is fixed behind the sleeve hole, and the front side has a front retaining wall, and the inner side has The side retaining wall of the second positioning bead and the concave portion of the second positioning bead portion can be accommodated, and Spring ends respectively before the first ring gear and the rear wall abuts against the retaining ring stop, and provides an elastic sleeve element operating.

Further, the first and second positioning beads may be steel balls, and the concave portion of the top holding seat has a notch communicating with the groove; and the magnet is disposed in the groove of the top holding seat, and the side of the corresponding gap is bare. Further, a first guide inclined surface which is inclined from the front direction rearward toward the top holder circumferential direction is provided between the recessed portion of the top holder and the abutting portion.

The abutment portion of the top holder can abut against the second positioning bead when the creation of the screwdriver head is not inserted, and the second positioning bead portion can be embedded in the recess of the rear stopper and compress the spring; In the jack, the top holder can be moved back to compress the elastic portion, and the position of the recess of the top holder corresponds to the second positioning bead, and at the same time, the first positioning bead can be engaged by the second guiding bevel and the card slot of the screwdriver head. The second positioning bead can be directly absorbed by the magnet. Displacement toward the concave portion of the top holder, and with the design of the leading bevel, the sleeve can be displaced backward by the elastic force of the spring, which can better perform the smooth operation and make the side retaining wall of the rear retaining ring and the second positioning The bead is abutted to ensure that the top holder does not move forward; and the sleeve is moved forward when the screwdriver is removed, and the top holder can be moved forward by the elastic force of the elastic portion. When the top holder is moved forward, the first guiding inclined surface can be displaced radially outwardly into the concave portion of the rear retaining ring against the second positioning bead, which can have better operation and smooth stability, and the present invention only has a single spring element, and The rear retaining ring can be positioned to position the second positioning bead and abut against the spring. The overall assembly can be more cost-effective, better assembled, and less effective in reducing the failure rate.

1‧‧‧ plug connector

11‧‧‧ jack

12‧‧‧Post

13‧‧‧First radial hole

131‧‧‧First positioning bead

14‧‧‧Second radial hole

141‧‧‧Second positioning bead

15‧‧‧ 挡缘

16‧‧‧ Groove

17‧‧‧First stop ring

2‧‧‧Top holding device

21‧‧‧ top seating

211‧‧‧ Groove

212‧‧‧Flexible Department

213‧‧‧ recess

214‧‧‧Abutment

215‧‧ ‧ gap

216‧‧‧First guiding slope

22‧‧‧ magnet

3‧‧‧Sleeve device

31‧‧‧ Socket

311‧‧‧ Set of holes

312‧‧‧Second inclined slope

313‧‧‧ 容部

32‧‧‧Back ring

321‧‧‧ front barrier

322‧‧‧ side wall

323‧‧‧ recess

324‧‧‧ Leading bevel

33‧‧‧ Spring

4‧‧‧ screwdriver head

41‧‧‧ card slot

1'‧‧‧ Plug connector

11’‧‧‧ jack

10’‧‧‧Post

12’‧‧‧radial holes

121’‧‧‧ Steel Balls

13’‧‧‧radial holes

131’‧‧· steel balls

14’‧‧‧First rim

15’‧‧‧ Groove

16’‧‧‧Retaining ring

2'‧‧‧Top holding device

21’‧‧‧ top seating

211’‧‧‧ Groove

212'‧‧‧ recess

213’‧‧‧Abutment

214’‧‧‧second rim

22’‧‧‧ Magnet

23’‧‧·spring

3'‧‧‧Sleeve device

31’‧‧‧Set

311’‧‧‧ hole

312’‧‧ ‧Block

313'‧‧‧ recess

32'‧‧‧Back ring

33’‧‧·spring

34'‧‧‧ front retaining ring

4'‧‧‧Starter head

41’‧‧‧ card slot

The first picture is an exploded view of the creation.

The second picture is a combination of the creations.

The third diagram is a combined cross-sectional view of the creation.

The fourth picture is a schematic diagram of the combination of the creation of the creation.

The fifth picture is a schematic diagram of the start of the creation of the sleeve.

The sixth figure is a schematic diagram of a conventional joint.

The seventh figure is a schematic diagram of a conventional combination screwdriver.

Please refer to the first to fourth figures. The creation includes a plug connector 1, a holding device 2, a sliding sleeve device 3, and the plug connector 1 has a polygonal insertion hole 11 in front, a post 12 and a plug. First and second radial holes 13, 14 are respectively disposed in front of and behind the hole 11, and first and second positioning beads 131, 141 are respectively disposed at positions of the first and second radial holes 13, 14 respectively, and the first, second, The two positioning beads 131, 141 may be steel balls, and the insertion hole 11 has a larger diameter in front of the second radial hole 14 and a smaller diameter in the rear position, and forms a retaining edge 15 which can abut against the bottom of the screwdriver head 4; A groove 16 is provided on the outer side of the front side of the plug connector 1, and the groove 16 engages the first stop ring 17.

The top holding device 2 includes a top holding seat 21 and a magnet 22, and the top holding seat 21 is disposed behind the insertion hole 11 and is made of a plastic material. The front side has a groove 211, and the rear forming piece can be connected with the bottom of the insertion hole 11. The elastic portion 212 abuts against the elastic portion 212, and the elastic portion 212 is a spiral body. The front end of the concave portion 211 has a concave portion 213, and the abutting portion 214 of the second positioning bead 141 is supported by the recess portion 213. The recess 213 has a notch 215 communicating with the groove 211, and a first guiding slope 216 inclined from the front direction rearward toward the circumferential direction of the top holder 21 is disposed between the recess 213 and the abutting portion 214; and the magnet 22 is disposed at the top The recess 211 of the seat 21 is seated, and the side corresponding to the notch 215 is bare.

The sliding sleeve device 3 has a set body 31, a rear retaining ring 32, a spring 33, and the sleeve body 31 has a sleeve hole 311 which can be sleeved in front of the plug connector 1, and the front wall of the sleeve hole 311 has a front wall The second guiding bead 312 of the first positioning bead 131 is abutted, and the receiving portion 313 having a larger diameter than the front is disposed behind the second guiding bevel 312. The rear retaining ring 32 is fixed behind the sleeve hole 311 and has a front side The front retaining wall 321 has a side retaining wall 322 that can abut against the second positioning bead 141 and a recess 323 that can accommodate a partial volume of the second positioning bead 141, and the front side of the recess 323 has a leading bevel 324; 33 is disposed at the position of the sleeve 311 accommodating portion 313, and the two ends abut against the first retaining ring 321 of the first retaining ring 17 and the rear retaining ring 32, respectively, and provide the sleeve body 31 to be elastic.

Referring to the third figure, the abutting portion 214 of the top holder 21 can abut against the second positioning bead 141 when the creation is not inserted, and the second positioning bead 141 can be partially embedded in the recess 323 of the rear stopper. Inside, and compress the spring 33.

Referring to the fourth figure, when the screwdriver head 4 is inserted into the insertion hole 11, the top holder 21 can be moved backward to compress the elastic portion 212, and the bottom end of the screwdriver head 4 can be attracted to the magnet 22, and the concave portion 213 of the top holder 21 can be positioned. Corresponding to the second positioning bead 141, and at the same time, the first positioning bead 131 can be positioned by the second guiding bevel 322 against the slot 41 of the screwdriver head 4, and the bottom of the screwdriver head 4 can be restrained by the retaining edge 15 in the insertion hole 11 The maximum insertion depth, and the second positioning bead 141 can be directly displaced by the suction force of the magnet 22 toward the concave portion 213 of the top holder 21, and the front bevel 324 is designed so that the sleeve 31 can be easily elasticized by the spring 33. The rearward displacement provides better smoothing and the side retaining wall 322 of the rear retaining ring 32 can abut against the second positioning bead 141 to ensure that the top retaining seat 21 does not advance.

Referring to the fifth figure, the present invention is intended to take the screwdriver head 4 forward, and the second guiding bevel 322 does not abut the first positioning bead 131, and the top holding seat 21 can be supported by the elastic portion 212. The elastic force is held forward to move the screwdriver head 4 forward and the first guiding inclined surface 216 can be displaced radially outwardly into the concave portion 323 of the rear retaining ring 32 against the second positioning bead 141 when the top holding seat 21 is moved forward. It can be used for better smoothness and stability.

The design of the present invention has only a single spring 33 element, and the rear retaining ring 32 can function as both the positioning second positioning bead 141 and the abutting spring 33. The overall assembly can be simplified compared to the conventional structure to save cost and better assembly convenience and reduce Failure rate efficiency.

The first positioning bead 131 of the present invention can be adsorbed by the magnet 22 and cooperates with the first guiding bevel 216 and the back bezel 32 to design the beveled edge 324 to greatly improve the smoothness and stability of the operation, and The sleeve 31 can be prevented from being locked during operation, and the foregoing embodiments are illustrative of the present invention and are not intended to be limited by the present invention. Any equivalent changes in accordance with the spirit of the present invention should also fall within the scope of the present invention.

1‧‧‧ plug connector

11‧‧‧ jack

12‧‧‧Post

13‧‧‧First radial hole

131‧‧‧First positioning bead

14‧‧‧Second radial hole

141‧‧‧Second positioning bead

16‧‧‧ Groove

17‧‧‧First stop ring

2‧‧‧Top holding device

21‧‧‧ top seating

211‧‧‧ Groove

212‧‧‧Flexible Department

213‧‧‧ recess

214‧‧‧Abutment

215‧‧ ‧ gap

216‧‧‧First guiding slope

22‧‧‧ magnet

3‧‧‧Sleeve device

31‧‧‧ Socket

311‧‧‧ Set of holes

312‧‧‧Second inclined slope

32‧‧‧Back ring

321‧‧‧ front barrier

322‧‧‧ side wall

323‧‧‧ recess

33‧‧‧ Spring

Claims (8)

A tool joint comprises: a plug connector, a socket at the front, a post at the rear, and first and second radial holes respectively disposed at the front and the rear of the jack, and respectively set at the first and second radial holes One or two positioning beads; a first retaining ring is disposed outside the plug connector; a holding device includes a top holding seat and a magnet, and the top holding seat is disposed behind the jack, the front has a groove, and the rear is formed The elastic portion can be abutted against the bottom wall of the jack, and the front end of the recess has a concave portion, and the abutting portion of the second positioning bead is supported at the rear of the concave portion; and the magnet is disposed on the concave portion of the top holding seat a sliding sleeve device having a set body, a rear retaining ring and a spring, and the sleeve body has a sleeve hole which can be sleeved in front of the plug connector, and the front inner wall of the sleeve hole can be abutted against the first a second guiding bevel of the positioning bead; the rear retaining ring is fixed behind the sleeve hole, and has a front retaining wall on the front side, and has a side retaining wall on the inner side of the second positioning bead and can accommodate the second positioning bead a partial volume of the recess, the two ends of the spring respectively abut against the first retaining ring and the front retaining ring of the rear retaining ring, and provide a sleeve Dynamic elastic. The tool joint according to claim 1, wherein the top holder is made of a plastic material and the elastic portion is a spiral body. The tool joint according to claim 1 or 2, wherein the first and second positioning beads are steel balls, and the concave portion of the top holder has a notch communicating with the groove; and the magnet is disposed on the top holder When the groove is inside, the side of the corresponding gap is bare. The tool joint according to claim 3, wherein the first guide inclined surface which is inclined from the front direction rearward toward the top holder circumferential direction is disposed between the concave portion of the top holding seat and the abutting portion. The tool joint of claim 4, wherein the front side of the recess of the rear retaining ring has a leading bevel. The tool joint according to claim 1, wherein the socket of the plug connector has a larger diameter in front of the second radial hole and a smaller diameter in the rear position and forms a retaining edge. The tool joint of claim 1, wherein a groove is provided on the front outer side of the plug joint, and the first retaining ring is engaged in the groove. The tool joint according to claim 1, wherein the sleeve hole of the sleeve body is disposed at a position behind the second guide inclined surface with a diameter larger than the front side, and the spring is disposed at the position of the sleeve hole receiving portion, and the two ends are Abut against the front retaining wall of the first retaining ring and the rear retaining ring, respectively.