TWI835544B - Tool set for replacing drive head - Google Patents

Abstract

A tool set for replacing drive head includes a main body and an outer sleeve. The main body includes an accommodating groove and an assembling end. The accommodating groove has a plurality of convex blocks and concave parts. The accommodating groove is used for inserting a polygonal ball joint. The containing groove is radially pierced with at least one containing hole. Each the containing hole is provided with a inserting piece. The outer sleeve is axially sleeved on the main body. The outer sleeve is movable relative to the main body to be in a first position or a second position.

Description

Replaceable drive head tool set

The invention relates to a tool set with a replaceable driving head.

According to the press, the universal joint is a hand tool that can be used for multi-angle rotation. It includes a ball head seat and a driving rod. One end of the driving rod is provided with a ball head. The ball head is slidably mounted on the ball head and cannot rotate relative to it. The driving rod can slide relative to the ball socket. When the driving rod is pulled outward relative to the ball socket to a swing position, the driving rod can swing relative to the ball socket to rotate the tool and the driving head. The angle of locking operation makes it convenient to operate in a small working environment. However, when the drive head needs to be replaced when working on parts to be driven with various specifications, the entire set of tools must be replaced instead of just the drive head. Not only does it require the purchase of a large number of sets of tools, but the operation is also time-consuming and labor-intensive. There is an urgent need for this. The disadvantages of improvement.

Therefore, it is necessary to provide a novel and progressive tool set with replaceable drive heads to solve the above problems.

The main purpose of the present invention is to provide a tool set with a replaceable drive head, which can securely assemble the drive head and quickly remove the drive head for replacement.

In order to achieve the above object, the present invention provides a tool set with a replaceable driving head, which includes a body and a jacket. The body includes a connected accommodating groove and a set of terminals. The accommodating groove is provided with a plurality of latching recesses and a plurality of latching protrusions arranged in a circumferential and staggered manner. The accommodating groove is for a polygonal ball joint to be plugged into. The groove is also provided with at least one aperture radially through it. Each of the apertures accommodates a clamping piece. The circumferential extension length of each clamping protrusion is greater than the circumferential extension length of each clamping recess. The jacket is axially sleeved on the body. The inner wall of the jacket is provided with a recess and a convex part protruding relative to the recess. The jacket can slide relative to the body to a first position and a second position. Wherein, when the casing is in the first position, the protrusion presses against the clamping member and extends into the accommodating groove to clamp the polygonal ball joint in the accommodating groove; when the casing is in the third position, In the two positions, the recess corresponds to the clamping part, and the clamping part can move to the recess so as not to extend into the receiving groove, so that the polygonal ball joint is not blocked by the clamping part and can be detached from the clamping part. Holding tank.

1: Ontology

11: Accommodation tank

111: stuck

112: stuck convex

12,12B,12C: group connection terminal

13:Volume

131:Card

14: Ring groove

15: Incline

16: The first concave step

171: Large diameter section

172: small trail section

173:stop

18B:Extension rod

2:Conical spring

21: Large diameter end

22: Trail end

3: Jacket

31: concave part

32:convex part

33:Inner flange

331: The second concave step

34: Flat section

4:Return spring

5:Polygonal ball joint

51,51A:Work Department

52:Polygonal ball head

53:Round end

54:lobe

6:Polygonal sleeve

Figure 1 is a perspective view of the first preferred embodiment of the present invention.

Figure 2 is an exploded view of the first preferred embodiment of the present invention.

Figure 3 is a perspective view of a polygonal ball joint according to the first preferred embodiment of the present invention.

Figures 4 and 5 are operational cross-sectional views of the first preferred embodiment of the present invention.

Figure 6 is a perspective view of the second preferred embodiment of the present invention.

Figure 7 is a perspective view of the third preferred embodiment of the present invention.

Figure 8 is a perspective view of the fourth preferred embodiment of the present invention.

The following examples are only used to illustrate the possible implementation modes of the present invention, but are not intended to limit the scope of protection of the present invention.

Please refer to Figures 1 to 5, which show a first preferred embodiment of the present invention. The tool set with a replaceable driving head of the present invention includes a body 1 and a jacket 3.

The body 1 includes a connected accommodating groove 11 and a set of terminals 12. The accommodating groove 11 is provided with a plurality of latching recesses 111 and a plurality of latching protrusions 112 arranged in a circumferential and staggered manner. The accommodating groove 11 provides a polygonal The ball joint 5 is plugged in. The accommodating groove 11 is also provided with at least one hole 13 radially. Each of the holes 13 accommodates a clamping piece 131. The circumferential extension length of each clamping protrusion 112 is greater than that of each clamping recess. The circumferential extension length of 111. The assembly terminal 12 is for assembly with a rotating tool.

In this embodiment, a conical spring 2 is further included. The receiving groove 11 is radially provided with an annular groove 14 near the bottom of the groove. The conical spring 2 includes a large diameter end 21 and a small diameter end 22 opposite to each other. The large diameter end 21 is clamped on the annular groove 14, and the small diameter end 22 normally rebounds against the polygonal ball joint 5, so that the polygonal ball joint 5 has a tendency to rebound outward.

The cover 3 is axially sleeved on the body 1. The inner wall of the cover 3 is provided with a recess 31 and a protrusion 32 protruding relative to the recess 31. The cover 3 can slide relative to the body 1 on a first One position and a second position.

When the outer cover 3 is in the first position, the protruding portion 32 presses against the clamping member 131 and extends into the accommodating groove 11 to clamp the polygonal ball joint 5 into the accommodating groove 11. And because the large diameter end 21 of the conical spring 2 is stuck against the ring groove 14, the conical spring 2 will not escape from the accommodating groove 11, so the polygonal ball joint 5 is normally bounced outward by the conical spring 2. The polygonal ball joint 5 can effectively swing relative to the body 1 for locking operation, and the elastic force of the conical spring 2 of the present invention will not become weak when being compressed, so that it has sufficient elastic force; if it is to be replaced When the polygonal ball joint is 5, the user only needs to put the cover 3 moves toward the second position. When the jacket 3 is in the second position, the recess 31 corresponds to the clamp 131 , and the clamp 131 can move to the recess 31 so as not to extend into the accommodating groove 11 , the polygonal ball joint 5 is not blocked by the clamping member 131 and can be separated from the accommodating groove 11 , because the small diameter end 22 normally springs against the polygonal ball joint 5 , so that the polygonal ball joint 5 The ball joint 5 has a tendency to spring outward, so that the polygonal ball joint 5 will automatically jump out and pop out of the body 1, which is more convenient to use.

Specifically, an end of each latching protrusion 112 away from the bottom of the accommodating groove 11 is provided with an inclined surface 15. The inclined surfaces 15 can prevent the polygonal ball joint 5 from interfering with the latching protrusions 112 when swinging, thereby improving the smoothness of the swing. .

Among them, the inner wall of the accommodating groove 11 is provided with a first concave step 16 adjacent to the groove opening. The first concave step 16 is adjacent to the inclined surface 15. This can prevent the polygonal ball joint 5 from interfering with the polygonal ball joint 5 when it swings. The inner walls of the accommodating groove 11 collide near the notch, which can improve the service life and reduce noise.

Furthermore, the outer peripheral wall of the body 1 is provided with a large diameter section 171, a small diameter section 172 and a stopper 173. The inner peripheral wall of the jacket 3 is provided with an inner flange 33 radially annularly. The inner flange 33 It is slidably limited between the large-diameter section 171 and the stopper 173 . A return spring 4 is sleeved on the small-diameter section 172 and springs between the end surface of the large-diameter section 171 and the inner flange 33 . , so that the jacket 3 can normally rebound toward the first position and prevent the jacket 3 from being separated from the body 1 .

Preferably, a second concave step 331 is provided on the side of the inner flange 33 away from the return spring 4. When the jacket 3 is in the first position, the stopper 173 is accommodated in the second concave step 331. This is to prevent the stopper 173 from being impacted by the outside world. In this embodiment, the stopper 173 is a C-shaped fastener, which can be easily disassembled, assembled and replaced.

Among them, the inner peripheral wall of the jacket 3 is provided with a flat section 34 at one end away from the inner flange 33. When the jacket 3 is in the first position, the large diameter section 171 of the body 1 protrudes from the flat section 34. When the jacket 3 is in the first position, 3 When in the second position, the large diameter section 171 of the body 1 does not protrude from the flat section 34 . In this embodiment, the holes 13 pass through the large diameter section 171 . In this embodiment, the flat section 34 and the convex portion 32 have the same thickness.

The polygonal ball joint 5 includes a connected working part 51 and a polygonal ball head 52. An end of the polygonal ball head 52 away from the working part 51 is provided with a round head end 53, and the small diameter end 22 abuts the When the round head end 53 and the small diameter end 22 have a small radial size and can be rebounded against the round head end 53, the polygonal ball joint 5 can smoothly swing relative to the body 1. A plurality of arc-shaped lobes 54 are connected to the periphery. The arc-shaped lobes 54 are arranged in a radial manner. The small-diameter end 22 is not in contact with the arc-shaped lobes 54 . The arc-shaped lobes 54 are respectively stuck against The latching recesses 111 prevent the polygonal ball joint 5 from rotating with the body 1 .

It should be noted that in this embodiment, the assembly terminal 12 is a sleeve, and the working part 51 is a D-head connector. Please refer to Figure 6. In the second preferred embodiment of the present invention, the working part 51A can also be a sleeve. Please refer to Figure 7. In the third preferred embodiment of the present invention, an extension rod 18B is further included. The extension rod 18B is connected between the accommodation groove 11 and the set of terminals 12B to extend the working range. Please refer to Figure 8. In the fourth preferred embodiment of the present invention, the assembly end 12C is a polygonal ball head. The assembly end 12C is swingably assembled to a polygonal sleeve 6, so that it can have two sections. Universal joint function.

1: Ontology

12: Group connection terminal

3: Jacket

5:Polygonal ball joint

51:Work department

52:Polygonal ball head

Claims (10)

A tool set with a replaceable drive head, including: a body, a connected receiving groove and a set of terminals; the receiving groove is provided with a plurality of latching recesses and a plurality of latching protrusions arranged in a circumferential and staggered manner; The slot is for a polygonal ball joint to be plugged into. The slot is also provided with at least one hole in the radial direction. Each hole accommodates a clamping piece. The circumferential extension length of each clamping protrusion is greater than that of each clamping recess. The circumferential extension length; a jacket, axially sleeved on the body, the inner wall of the jacket is provided with a recess and a convex part protruding relative to the recess, the jacket can slide relative to the body on a first position and a second position; wherein, when the cover is in the first position, the protrusion presses against the clamping member and extends into the accommodating groove to clamp the polygonal ball joint in the accommodating groove. ; When the cover is in the second position, the recess corresponds to the clamping member, and the clamping member can move to the recess so as not to extend into the accommodating groove, and the polygonal ball joint is not affected by the clamping member. The card can be detached from the accommodating groove. A tool set with a replaceable drive head as claimed in claim 1, wherein each latch is provided with an inclined surface at one end away from the bottom of the accommodating groove, and the accommodating groove is provided with a radial ring adjacent to the bottom of the groove. , and also includes a conical spring. The conical spring includes an opposite large-diameter end and a small-diameter end. The large-diameter end is stuck against the ring groove, and the small-diameter end is normally elastically pressed against the polygonal ball joint. So that the polygonal ball joint has a tendency to spring outward. The tool set with a replaceable driving head as claimed in claim 2, wherein the inner wall of the accommodating groove is provided with a first concave step adjacent to the notch opening, and the first concave step is adjacent to the inclined surface. The tool set with a replaceable driving head as claimed in claim 1, wherein the outer peripheral wall of the body is provided with a large diameter section, a small diameter section and a stopper, and the inner peripheral wall of the jacket is provided with an inner protrusion in the radial ring. The inner flange is slidably limited between the large diameter section and the stopper, and a return spring is sleeved on the small diameter section. section and springs between the end surface of the large-diameter section and the inner flange, so that the jacket can normally spring toward the first position. The tool set of replaceable driving head as claimed in claim 4, wherein the inner flange is further provided with a second concave step on a side away from the return spring. When the cover is in the first position, the stopper contains Place it on the second concave step. The tool set with a replaceable driving head as claimed in claim 4, wherein an end of the inner peripheral wall of the jacket away from the inner flange is provided with a flat section, and when the jacket is in the first position, the large diameter section of the body protrudes out of the flat section, and the large diameter section of the body does not protrude from the flat section when the jacket is in the second position. The tool set with a replaceable driving head as claimed in claim 4, wherein the holes are disposed through the large diameter section. The tool set with replaceable driving head as claimed in claim 2, wherein the polygonal ball joint includes a connected working part and a polygonal ball head, and an end of the polygonal ball head away from the working part is provided with a round The head end, the small diameter end abuts the round head end, and the circumference of the round head end is connected with a plurality of arc-shaped lobes. The arc-shaped lobes are arranged in a radial manner. The small diameter end is not connected with the arc-shaped lobes. The convex corners are in contact. The tool set with a replaceable driving head as claimed in claim 1, wherein the body further includes an extension rod connected between the accommodating groove and the assembly terminal. The tool set with replaceable driving head as described in claim 3, wherein the outer peripheral wall of the body is provided with a large diameter section, a small diameter section and a stopper, and the inner peripheral wall of the jacket is provided with an inner protrusion in the radial ring. The inner flange is slidably limited between the large diameter section and the stopper, and a return spring is sleeved on the small diameter section and springs between the end surface of the large diameter section and the inner flange. , so that the jacket can normally spring toward the first position; the inner flange is further provided with a second concave step on the side away from the return spring. When the jacket is at When the jacket is in the first position, the stopper is accommodated in the second concave step; the inner peripheral wall of the jacket is provided with a flat section at one end away from the inner flange, and when the jacket is in the first position, the large diameter section of the body is convex. out of the flat section, and when the jacket is in the second position, the large-diameter section of the body does not protrude from the flat section; the holes penetrate the large-diameter section; the polygonal ball joint includes a connected working and a polygonal ball head. The end of the polygonal ball head away from the working part is provided with a round head end. The small diameter end abuts the round head end. The periphery of the round head end is connected with a plurality of arc-shaped lobes. , the arc-shaped lobes are arranged in a radial pattern, and the small diameter end is not in contact with the arc-shaped lobes; the flat section is of the same thickness as the convex portion; the connecting end is for assembly with a rotating tool; The stopper is a C-shaped fastener.

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