TW202228938A - Tool extension - Google Patents

Abstract

A tool extension is provided, including a main body, a swing member and a locking structure. The main body has a connecting channel. The swing member is disposed on the main body. A driving member is disposed through the swing member and is movable between a first position and a second position. When the driving member is in the first position, the driving member is not extended into the connecting channel, the swing member is able to swing relative to the main body. When the driving member is in the second position, the driving member is extended into the connecting channel, the swing member is not able to swing relative to the main body.

Description

tool kit

The present invention relates to bodies, and in particular to a tool kit.

Since there are many types of objects to be rotated, such as screws, screws, nuts, screwdriver bits, etc., it is necessary to use the body connector for transfer. The structure of the traditional adapter body is simple, only one end is provided with an assembly hole, and the other end is a plug-in part. With the increase of various use requirements, those in this field have developed a universal body joint to replace the traditional adapter body. . Among them, the universal body can swing relative to the base body through the universal drive head, and can drive the object to be rotated to rotate at various angles, so it can be applied to various use environments.

However, such universal joints still have shortcomings in actual use. For example, but not limited to, various aspects such as use stability, joint firmness, and universal switchability need to be further strengthened to provide users with peace of mind and safety. used. Therefore, it is necessary to provide a novel and progressive tool kit to solve the above problems.

The main purpose of the present invention is to provide a tool kit, which can be swung or kept in position through the swinging member, and the driving rod can be securely locked to prevent it from loosening through the locking structure.

In order to achieve the above object, the present invention provides a tool kit comprising: a main body, a swing piece and a locking structure. The main body includes a connecting channel and a set of connecting spaces that communicate with each other along a first direction; the swinging member includes a head body, a connecting rod and an insertion hole, the connecting rod is connected to the head body, and the head body is in the shape of a head. Polygonal spherical head, the head body can be selectively movably accommodated in the assembly space so that the connecting rod can selectively swing relative to the main body, the insertion hole passes through the head body and the connecting rod, and the insertion hole contains There is an opposite first end and a second end, the second end communicates with the connecting channel, and the first end is inserted into a driving rod that can move in a first position and a second position, which defines that the driving rod is not The first position is when it protrudes out of the second end, and the second position is defined when the drive rod protrudes out of the second end and extends into the connecting channel, and the connecting channel is perpendicular to the first direction for limiting It stops the drive rod. Viewed along the first direction, the hole edge of the insertion hole has a non-circular outline; the locking structure includes at least one positioning hole, at least one positioning bead, and a first elastic A piece and a set, the at least one positioning hole penetrates the connecting rod and communicates with the insertion hole laterally, the at least one positioning ball is movably limited to the at least one positioning hole, the set is sleeved on the connecting rod and can be moved to a locking position and a releasing position, when the set is moved to the locking position, a first protruding rib of the set presses the at least one positioning bead to protrude into the insertion hole for positioning the driving rod, When the set is moved to the release position, a chamber of the set corresponds to a portion of the at least one positioning bead so that the at least one positioning bead does not protrude into the insertion hole for releasing the driving rod, the first The elastic piece is connected between the sleeve and the connecting rod to drive the sleeve to move towards the locking position normally.

The following examples only illustrate possible implementations of the present invention, but are not intended to limit the scope of protection of the present invention, and are described together first.

Please refer to FIG. 1 to FIG. 8 , which show a first embodiment of the present invention. The tool kit of the present invention includes: a main body 1 , a swinging member 2 and a locking structure 3 .

The body 1 includes a connecting channel 12 and a set of connecting spaces 13 that communicate with each other along a first direction 5. In the first embodiment, the body further includes a set of connecting spaces 11, and the connecting channel 12 communicates with the connecting space 11. Between the space 13 and the socket space 11 , perpendicular to the first direction 5 , the maximum radial dimension of the combination space 13 is greater than the maximum radial dimension of the connecting channel 12 , and the maximum diameter of the socket space 11 The radial dimension is larger than the maximum radial dimension of the assembly space 13 ; wherein, the sleeve space 11 can be used in combination with the power tool. Of course, the main body 1 is not limited to the above-mentioned form, and can also be shown in the third embodiment of FIG. 11 . Please compare FIG. 1 and FIG. 11 . The differences between the third embodiment and the first embodiment are: The body 1A of the embodiment further includes a protruding plug component 7 , which replaces the socket space 11 of FIG. 1 and is used in combination with the power tool plug.

The swinging member 2 includes a head body 21 , a connecting rod 22 and an insertion hole 23 , the connecting rod 22 is connected to the head body 21 , the head body 21 is a polygonal spherical head, and the head body 21 can be selectively movable Accommodated in the assembly space 13 so that the connecting rod 22 can selectively swing relative to the main body 1 , the insertion hole 23 penetrates the head body 21 and the connecting rod 22 .

The insertion hole 23 includes a first end 231 and a second end 232 opposite to each other. The second end 232 communicates with the connecting channel 12 . The first end 231 allows a driving rod 6 to move in a first position and A second position is inserted; wherein, viewed along the first direction 5, the hole edge of the insertion hole 23 is non-circular contour, so the driving rod 6 and the swinging member 2 are in a co-moving relationship. Further, the first position is defined when the driving rod 6 is not protruding out of the second end 232 , and the swinging member 2 can move relative to the body 1 at this time, and the driving rod 6 is defined as protruding out of the second end 232 and extending into the connecting channel 12 is the second position. At this time, the connecting channel 12 is perpendicular to the first direction 5 for the limit to stop the driving rod 6. In other words, the driving rod 6 is connected to the swinging member in series 2 and the main body 1, so that the swinging member 2 cannot move relative to the main body 1 to achieve the purpose of positioning.

Furthermore, in the first direction 5, the sum of the length of the insertion hole 23, the length of the assembly space 13 and the length of the connecting channel 12 is less than the length of the driving rod 6 to ensure The drive rod 6 has sufficient length to reach the second position. And, in the first direction 5 , the length of the insertion hole 23 is greater than the sum of the length of the assembly space 13 and the length of the connecting channel 12 , so as to ensure the connection between the swinging member 2 and the driving rod 6 There is more contact area for stable simultaneous motion. In addition, in the first direction 5, the ratio of the length of the connecting space 13 to the length of the connecting channel 12 is between 1.3 and 1.6, and the connecting space 13 and the connecting channel 12 have appropriate lengths It is expected that the assembly space 13 has a suitable volume for accommodating the head body 21 and takes into account the length of the connecting channel 12 for limiting the position of the driving rod 6 .

The locking structure 3 includes at least one positioning hole 31 , at least one positioning ball 32 , a first elastic member 33 and a set 34 with the same number. The at least one positioning hole 31 penetrates the connecting rod 22 and communicates with the connecting rod 22 laterally. The insertion hole 23, the at least one positioning ball 32 is movably limited to the at least one positioning hole 31, the sleeve 34 is sleeved on the connecting rod 22 and can move in a locking position and a releasing position, when the sleeve 34 moves In the locking position, a first protruding rib 341 of the sleeve 34 presses the at least one positioning ball 32 to protrude into the insertion hole 23 for positioning the driving rod 6 . When the sleeve 34 moves to the release position , a chamber 343 of the sleeve 34 corresponds to a portion of the at least one positioning bead 32 so that the at least one positioning bead 32 does not protrude into the insertion hole 23 for releasing the driving rod 6 , the first elastic member 33 It is connected between the sleeve 34 and the connecting rod 22 to drive the sleeve 34 to move towards the locking position normally, to ensure that the driving rod 6 will not be disengaged arbitrarily during use, so as to greatly improve the safety and reliability during use Spend.

In the first embodiment, the number of the at least one positioning hole 31 and the number of the at least one positioning ball 32 are respectively two, and the two positioning holes 31 are symmetrically arranged to provide the driving rod 6 with a uniform positioning force. In addition, the driving rod 6 includes an outer wall 62 and a locking portion 61. The locking portion 61 is recessed in the outer wall 62. When the sleeve 34 is in the locking position, the two positioning balls 32 are partially embedded in the locking portion 61 to prevent Stop and interfere with the driving rod 6, and when the sleeve 34 is in the release position, the positioning balls 32 are clamped between the outer wall 62 and the sleeve 34 in the vertical direction 5, so that the driving rod 6 During the moving process, the two positioning balls 32 will still be clamped, so as to effectively avoid the situation of rapid sliding and disengagement, and because of this, when the driving rod 6 is in the second position, the sleeve 34 remains in the release position. The time system can be used safely.

More specifically, the tool kit further includes a limit ring 41 , the limit ring 41 is positioned in a ring groove 14 of the main body 1 , the ring groove 14 is located in the assembly space 13 , the limit ring 41 It is used to stop the head from leaving the assembly space 13 in the first direction 5 . More specifically, the plurality of first convex walls 15 are circumferentially distributed in the assembly space 13 at equal angular intervals, and the plurality of second convex walls 16 respectively extend along the first direction 5 and are respectively connected with the plurality of first convex walls 15 . In a straight line configuration, the plurality of first protruding walls 15 and the plurality of second protruding walls 16 are respectively arranged at intervals in the first direction 5 to jointly define the annular groove 14, and the plurality of second protruding walls 16 are used for The head body 21 is perpendicular to the first direction 5 ; wherein, each of the second protrusions 16 includes an inclined guide surface 161 for guiding the head body 21 to slide into the assembly space 13 .

In the first embodiment, the number of the plurality of first convex walls 15 and the number of the plurality of second convex walls 16 are respectively six. Viewed along the first direction, the outer contour of the head body 21 is a regular hexagon. , when the connecting rod 22 is coaxial with the main body 1, the six second protrusions 16 are respectively pressed against the center of the six side edges 211 of the head body 21, and the hexagonal portions 212 of the head body 21 do not touch the The inner wall of the assembly space 13 .

Preferably, the tool kit further includes a second elastic member 42, the second elastic member 42 springs between the bottom wall of the assembly space 13 and the head body 21 to normally force the head body 21 to abut against the head body 21. Relying on the limiting ring 41 , during the rotation of the head body 21 , the limiting ring 41 can provide additional supporting force to the head body 21 , so that the head body 21 can move stably.

It is worth mentioning that the locking structure 3 further includes a first blocking ring 35 and a second blocking ring 36 . The radial dimension of the second blocking ring 36 is larger than the radial dimension of the first blocking ring 35 . A blocking ring 35 is embedded in the connecting rod 22 , the second blocking ring 36 is sleeved on the connecting rod 22 , and the second blocking ring 36 partially overlaps with the first blocking ring 35 in the first direction 5 to be mutually Interference, through the cooperation of the first baffle ring 35 and the second baffle ring 36, can effectively simplify the processing and assembly procedures, and can reduce weight and reduce component assembly errors. Wherein, the first blocking ring 35 , the second blocking ring 36 and the first elastic member 33 are located inside the sleeve 34 , the second blocking ring 36 laterally slides against the inner wall of the sleeve 34 , the first One end of the elastic piece 33 springs against the second blocking ring 36 , and the other end of the first elastic piece 33 springs against the sleeve 34 .

The rocking member 2 further includes a flange 24 . The flange 24 is radially protruded from the connecting rod 22 . In the moving direction of the sleeve 34 , the flange 24 interferes and stops the sleeve 34 to limit the sleeve 34 The limit position of the movement is to avoid the structural damage caused by the excessive movement of the set 34 due to unintended actuation. In the first embodiment, the flange 24 is located in the direction in which the sleeve 34 moves from the release position toward the locking position, that is, the sleeve 34 faces away from the flange 24 when it moves to the release position. Move (eg, push forward); and, when the sleeve 34 is in the locking position, the sleeve 34 is tied against the flange 24 in the first direction 5 so that the flange 24 can effectively support the sleeve 34 .

Of course, it is not limited to the above aspect, please refer to the second embodiment of FIG. 9 and FIG. 10 , the locking structure 3A further includes a third blocking ring 37, the third blocking ring 37 is embedded and set at the connecting rod 22A, the set 34A further includes a second protruding rib 342, the second protruding rib 342 and the first protruding rib 341 are spaced apart in the first direction 5 to define a chamber 343A; wherein, the first elastic member 33A springs against Between the first protruding rib 341 and the connecting rod 22A, the first elastic member 33A is used to drive the second protruding rib 342 to move toward the third retaining ring 37 normally, and in the first direction 5, The third blocking ring 37 is in an interference blocking relationship with the second protruding rib 342 , and the third blocking ring 37 is used to prevent the sleeve 34A from disengaging from the connecting rod 22A. In addition, the flange 24A is located in the direction in which the sleeve 34A moves from the locking position to the release position, that is, the sleeve 34A moves toward the direction close to the flange 24A when it moves to the release position (such as pulling back). .

1, 1A: Body 11: Socket space 12: even channel 13: Assembly space 14: Ring groove 15: The first convex wall 16: The second convex wall 161: inclined guide surface 2: Swing piece 21: head body 211: Side 212: Corner 22, 22A: connecting rod 23: Insertion hole 231: First End 232: Second End 24, 24A: Flange 3, 3A: Locking structure 31: Positioning hole 32: Positioning Beads 33, 33A: The first elastic member 34, 34A: Kit 341: The first rib 342: Second rib 343, 343A: Compartment 35: First stop ring 36: Second retaining ring 37: Third retaining ring 41: Limit ring 42: Second elastic piece 5: The first direction 6: Drive lever 61: Locking part 62: outer wall 7: Plug components

FIG. 1 is a perspective view of a first embodiment of the present invention. FIG. 2 is an exploded view of FIG. 1 . FIG. 3 is a schematic view of the first embodiment of the present invention, which is a schematic view of the rocking member being accommodated in the main body viewed from the first direction. FIG. 4 is a perspective view of the limiting ring disposed in the ring groove according to the first embodiment of the present invention. FIG. 5 is a perspective view of removing the limiting ring of FIG. 4 . FIG. 6 is a cross-sectional view of the first embodiment of the present invention when the drive rod is at the first position and the sleeve is at the locked position. FIG. 7 is a cross-sectional view of the first embodiment of the kit of the present invention in the release position. FIG. 8 is a cross-sectional view of the driving rod in the second position according to the first embodiment of the present invention. FIG. 9 is a cross-sectional view of a second embodiment of the present invention. FIG. 10 is a cross-sectional view of the kit in the release position according to the second embodiment of the present invention. FIG. 11 is a side view of a third embodiment of the present invention.

1: Ontology

21: head body

22: connecting rod

23: Insertion hole

24: Flange

31: Positioning hole

32: Positioning Beads

33: The first elastic piece

34: Kit

35: First stop ring

36: Second retaining ring

41: Limit ring

42: Second elastic piece

6: Drive lever

Claims (10)

A tool kit including: a body, comprising a connecting channel and a set of connecting spaces that communicate with each other along a first direction; A swinging piece includes a head body, a connecting rod and an insertion hole, the connecting rod is connected to the head body, the head body is a polygonal spherical head, and the head body can be selectively and movably accommodated in the assembly space So that the connecting rod can selectively swing relative to the main body, the insertion hole penetrates the head body and the connecting rod, the insertion hole includes a first end and a second end opposite, and the second end communicates with the connecting rod. Connected to the channel, the first end is inserted into a driving rod that can move in a first position and a second position, the first position is defined when the driving rod is not protruding out of the second end, and the driving rod is defined as protruding The second position is when the connecting channel extends out of the second end and extends into the connecting channel. The connecting channel is perpendicular to the first direction for the limit to stop the driving rod. Viewed along the first direction, the insertion hole the rim of the hole has a non-circular outline; and A locking structure includes at least one positioning hole, at least one positioning bead, a first elastic member and a set of the same number, the at least one positioning hole penetrates through the connecting rod and communicates with the insertion hole laterally, the at least one positioning hole A positioning bead is movably limited to the at least one positioning hole, the set is sleeved on the connecting rod and can be moved to a locking position and a release position, when the set is moved to the locking position, one of the set first The protruding rib resists the at least one positioning bead and protrudes into the insertion hole for positioning the driving rod. When the set is moved to the release position, a chamber of the set corresponds to a part of the at least one positioning bead to allow The at least one positioning ball does not protrude into the insertion hole for releasing the driving rod, and the first elastic member is connected between the sleeve and the connecting rod to drive the sleeve to move toward the locking position normally. The tool kit according to claim 1, further comprising a limit ring, the limit ring is positioned in a ring groove of the main body, the ring groove is located in the assembly space, and the limit ring is used for the first One direction prevents the head from leaving the assembly space. The tool kit as claimed in claim 2, further comprising a second elastic member, the second elastic member springs against between the bottom wall of the assembly space and the head to normally force the head against the head Limit ring. The tool kit according to claim 2, wherein the plurality of first protrusions are circumferentially distributed in the assembly space at equal angular intervals, and the plurality of second protrusions respectively extend along the first direction and are respectively connected with the plurality of first protrusions. The convex walls are arranged in a straight line, the plurality of first convex walls and the plurality of second convex walls are respectively arranged at intervals in the first direction to jointly define the ring groove, and the plurality of second convex walls are used to be perpendicular to the first Abutting against the head body in one direction; wherein, each of the second protrusions includes an inclined guide surface, and the inclined guide surface is used to guide the head body to slide into the assembly space. The tool kit as claimed in claim 1, wherein the locking structure further comprises a first blocking ring and a second blocking ring, the radial dimension of the second blocking ring is larger than the radial dimension of the first blocking ring, the first blocking ring A blocking ring is embedded in the connecting rod, the second blocking ring is sleeved on the connecting rod, and the second blocking ring partially overlaps with the first blocking ring in the first direction to interfere with each other; wherein, the first blocking ring The blocking ring, the second blocking ring and the first elastic member are located inside the set, the second blocking ring slides against the inner wall of the set laterally, and one end of the first elastic member bounces against the second blocking a ring, and the other end of the first elastic piece springs against the sleeve. The tool kit as claimed in claim 1, wherein the locking structure further comprises a third blocking ring, the third blocking ring is embedded in the connecting rod, the kit further comprises a second protruding rib, and the second protruding rib is located on the connecting rod. The first direction and the first protruding rib are spaced apart to define the chamber together; wherein, the first elastic member springs against between the first protruding rib and the connecting rod, and the first elastic member is used for In order to drive the second protruding rib to move toward the third blocking ring normally, in the first direction, the third blocking ring and the second protruding rib are in an interference blocking relationship, and the third blocking ring is used to prevent The kit is disengaged from the connecting rod. The tool kit according to any one of claims 1 to 6, wherein the rocking member further comprises a flange, the flange radially protrudes from the connecting rod, and in the moving direction of the kit, the flange Interference stops the kit. The tool kit of claim 7, wherein the flange is located in a direction in which the kit moves from the release position toward the locked position. The tool kit of claim 8, wherein the flange is located in a direction in which the kit moves from the locked position toward the release position. The tool kit according to claim 4, further comprising a second elastic member, the second elastic member springs against between the bottom wall of the assembly space and the head to normally force the head against the head Limit ring; the locking structure further includes a first stop ring and a second stop ring, the radial dimension of the second stop ring is larger than the radial dimension of the first stop ring, the first stop ring is embedded and set at the a connecting rod, the second blocking ring is sleeved on the connecting rod, the second blocking ring partially overlaps with the first blocking ring in the first direction and interferes with each other; wherein, the first blocking ring, the second blocking ring The ring and the first elastic member are located inside the set, the second blocking ring slides against the inner wall of the set laterally, one end of the first elastic member bounces against the second blocking ring, the first elastic member The other end bounces against the set; the swinging member further includes a flange, the flange radially protrudes from the connecting rod, and in the moving direction of the set, the flange interferes and stops the set; the convex The edge is located in the direction in which the set is moved from the release position to the locking position; when the set is in the locked position, the set is abutted against the flange in the first direction; the number of the at least one positioning hole is the same as the number of the at least one positioning hole. The number of at least one positioning bead is respectively two, and the two positioning holes are arranged symmetrically; the number of the plurality of first convex walls and the number of the plurality of second convex walls are respectively six, viewed along the first direction, the head body The outer contour is a regular hexagon. When the connecting rod is coaxial with the main body, the six second protrusions are respectively pressed against the center of the six side edges of the head body, and the hexagonal portion of the head body does not touch the head body. The inner wall of the assembly space; the main body further includes a socket space, the connecting channel is communicated between the assembly space and the socket space, and perpendicular to the first direction, the largest radial dimension of the assembly space is greater than the maximum radial dimension of the connecting channel, and the maximum radial dimension of the socket space is greater than the maximum radial dimension of the assembly space; in the first direction, the length of the assembly space and the connecting channel are The ratio of the length is between 1.3 and 1.6; in the first direction, the length of the insertion hole is greater than the sum of the length of the assembly space and the length of the connecting channel; in the first direction, The sum of the length of the insertion hole, the length of the assembly space and the length of the connecting channel is less than the length of the drive rod; when the drive rod is located at the second position, the set remains at the release position; The drive rod includes an outer wall and a locking portion, the locking portion is recessed in the outer wall, when the sleeve is at the locking position, two parts of the positioning beads are embedded in the locking portion, when the sleeve is at the release position, two The positioning bead is clamped between the outer wall and the sleeve perpendicular to the first direction.

Images