TWI576208B - Sleeve - Google Patents

Description

Sleeve

The invention relates to a sleeve, in particular to a sleeve joint of a sleeve which can provide unlocking or locking of three consecutive step size outer diameter nuts for use in sleeves of various sizes of workpieces.

Press, the size of the commonly used nut, can be divided into 9mm, 11mm, 13mm, 15mm, 17mm, 19mm, 21mm, 23mm, etc. continuous step size, and a single size sleeve for general work, car repair Or on the construction site, obviously does not meet the demand, so that there are sleeves for three different sizes of nuts as shown in Figures 16 to 19, the sleeve mainly comprising an outer sleeve set 6, a middle sleeve set 7 and an inner sleeve set 8, wherein: an outer sleeve set 6, one end of the outer sleeve set 6 is a tool joint 61 for applying a force to the tool sleeve, and is different from the tool joint 61 One end is a workpiece joint 62. The workpiece joint 62 is a hollow chamber 63. The hollow chamber 63 is a first inner ratchet 64, and the outer sleeve group 6 is provided with a transverse through joint hollow space. a threaded hole 65 of the chamber 63; a middle sleeve set 7 which is sleeved with its first outer ratchet 71 to a first inner ratchet 64 of the outer sleeve set 6, the middle sleeve The group 7 is a second inner ratchet 72, and a sliding groove 73 is laterally disposed on the side of the middle sleeve group 7, and is subjected to a first elasticity at the end of the middle sleeve group 7. One end of the member 74 is abutted, and the middle sleeve set 7 is screwed from the outer sleeve group 6 to the screw hole 65 by a first limiting member 75, and the end of the first limiting member 75 is Slot 73 that can be sleeved in the middle sleeve set 7 a rear end portion 732; an inner sleeve set 8 which is sleeved with a second outer ratchet 81 thereof and a second inner ratchet 72 located in the middle sleeve set 7, the inner sleeve set 8 The inside is a third internal ratchet 82, and a through hole 83 is defined in the side of the inner sleeve set 8. The through hole 83 is for the end of a second limiting member 84 to be fixed and the second limit The top end of the member 84 is received at the front end 731 of the sliding groove 73 of the middle sleeve set 7, and the end of the inner sleeve set 8 is abutted against one end of a second elastic member 85.

If the user wants to unlock the nut 9 of a smaller size, the third inner ratchet 82 of the inner sleeve set 8 is fitted over the outer diameter of the nut 9. Driven by a manual or electric tool that is sleeved on the tool joint 61, and the second outer ratchet 81 of the inner sleeve set 8 is engaged with the second inner ratchet 72 of the middle sleeve set 7, the first set of the middle set 7 An outer ratchet 71 engages the first inner ratchet 64 of the outer sleeve set 6 such that the inner sleeve set 8 is constrained and rotates with the rotation of the outer sleeve set 6 to unlock the smaller sized screw Cap 9, please refer to the twenty-first figure, when unlocking the medium-sized nut 91, the nut 91 is inserted into the sleeve, and the outer diameter of the nut 91 is greater than the second of the inner sleeve set 8. The inner sleeve member 82 has an inner diameter, and the inner sleeve group 8 is pushed and displaced into the hollow chamber 63. The second limiting member 84 is also displaced along the sliding groove 73, so that the inner sleeve group 8 is restricted. The lateral displacement of the nut 91 is engaged by the second inner ratchet 724 of the middle sleeve set 7 to unlock the nut 91 of the medium size, and when the nut 91 is out of the sleeve, the inner portion The sleeve set 8 is subjected to the elastic member 85 The force returns to the second limiting member 84 against the front end 731 of the sliding groove 73. Referring to the twenty-second figure, when the larger size nut 92 is to be unlocked, the nut 92 is sleeved into the sleeve. In this case, the outer diameter of the nut 92 is greater than the inner diameter of the second inner ratchet 82 of the inner sleeve set 8 and the second inner ratchet 72 of the middle sleeve set 7, and the inner sleeve set 8 and the middle sleeve The sleeve group 7 is pushed into the hollow chamber 63, and the middle sleeve group 7 can be displaced by the first limiting member 75 in the sliding slot 73, and The outer diameter of the nut 92 is engaged by the first inner ratchet 64 of the outer sleeve set 6 to unlock the larger size nut 92, and when the nut 92 is out of the sleeve, the inner sleeve set 8 The elastic member 85 and the middle sleeve group 7 are restored by the elastic force of the first elastic member 74 until the first limiting member 75 abuts against the rear end 732 of the sliding groove 73, so that three different sizes of nuts can be used. The sleeve, but the structure, because the torsion force is completely absorbed by the middle sleeve group 7 and the inner sleeve group 6, in order to achieve the strength required to withstand the torsion and not cause deformation, it is necessary to make The sleeve set 7 and the inner sleeve set 6 have a certain thickness, and the thickness needs to be greater than 1 mm, so that the inner diameters of the first inner ratchet 64 and the second inner ratchet 72 are reduced by more than 2 mm, so that the sleeve can only be used. Providing sleeves of discontinuous size steps such as 13mm, 17mm, 21mm or 15mm, 19mm, 23mm, etc., and failing to provide sleeves of continuous size such as 17mm, 19mm, 21mm or 19mm, 21mm, 23mm, etc., so that the user If you can't judge the size of the nut (such as 17mm or 19mm), you can take a sleeve with a continuous step size of 17-21mm. After confirming that the size of the nut is about 17mm or 19mm, the sleeves with 17mm and 19mm can be found to work (because the sleeve of the discontinuous size step has no continuous size of 17mm and 19mm), thus increasing the work. Troubled on.

Therefore, the inventor of the present invention has many years of experience in the design and manufacture of various hardware tools, especially the ink of the wrench and the sleeve tool. In view of the inconvenience of the existing sleeve, it is possible to provide three kinds of three kinds at the same time. The sleeve tool used for the similar size but different size nuts is actively researched and improved, and the invention is produced.

The main object of the present invention is to provide an inner diameter formed between each of the first force applying sections and an inner diameter of 2 mm formed between the second force applying sections, and the inner portions formed between the second force applying sections. The diameter is smaller than the inner diameter of 2mm formed between the force applying seats, and can provide 3 continuous step size outer diameters. The nut is unlocked or locked to achieve a multi-purpose use, storage and carrying sleeve.

Another object of the present invention is to provide a urging sleeve that is sleeved on an outer sleeve set by a sleeve groove of a first urging section, and the back surface of the second urging section is sleeved on the outer sleeve set. In the limiting groove, the two sides of the second force applying section can be sleeved in the first notch of the inner sleeve group, and the second notch of the second force applying section is provided on the two sides of the first force applying section Nesting, and the first tapered surface of the first force applying section and the second tapered surface of the second force applying section are abutted against each other, so that the outer sleeve set, the middle sleeve set and the inner sleeve set abut each other Limits are available for sleeves that can withstand torsional strength.

For the above purposes, the sleeve of the present invention mainly uses one end of an outer sleeve set as a tool joint for applying a force to the tool sleeve, and one end of the tool joint is a workpiece joint, and the workpiece joint is a workpiece joint. a hollow chamber, the inner diameter of the hollow chamber is formed with a continuous adjacent force applying seat and a limiting groove, and the outer sleeve group is provided with a through hole extending longitudinally through a hollow chamber; The sleeve set can be sleeved in the hollow chamber of the outer sleeve set, and is mainly formed in a first shaft seat to form a first shaft hole, and the front end of the first shaft seat is provided with an annular arrangement a first force-applying section is formed between the first force-applying sections, and a sleeve groove is formed on the back surface of the first force-applying section, and the sleeve groove is just sleeved on the force-applying seat of the outer sleeve group And a first tapered surface is formed on both sides of the first force applying section, and the first shaft seat is sleeved at one end of a first elastic component; the middle sleeve The tube set is mainly formed in a second shaft seat to form a second shaft hole, and the front end of the second shaft seat is provided with a second force applying section arranged in an annular shape. a second notch is formed between the second force-applying sections, and a second tapered surface is formed on both sides of the second force-applying section, and a sliding groove is formed on each of the second force-applying sections, and the second force is applied The front end of the segment is provided with an inner chamfer, and the sliding slot can be used for a limiting member to pass through the limiting portion. The limiting member is configured to be fixed by the through hole of the outer sleeve group to the hollow chamber, and the second shaft seat is fixed. The end of the first shaft seat abuts, and the end of the second shaft seat is provided with a second bullet One end of the sexual component is abutted.

The advantages of this sleeve are:

(1) The inner diameter formed between each of the first force applying sections is smaller than the inner diameter 2mm formed between the second force applying sections, and the inner diameter formed between each of the second force applying sections is smaller than that between the respective force applying seats The inner diameter of 2mm is formed, which can provide the unlocking or locking of the nut of 3 consecutive steps and the outer diameter of the outer diameter, which can be used for the multifunctional use, storage and carrying.

(2) The sleeve of the first force applying section is sleeved on the urging seat of the outer sleeve set, and the back surface of the second urging section is sleeved in the limiting groove of the outer sleeve set, and the The two sides of the second force applying section may be sleeved in the first notch of the inner sleeve group, and the second notch of the second force applying section is sleeved on the two sides of the first force applying section, and the first The first tapered surface of the urging section and the second tapered surface of the second urging section abut against the limit, so that the outer sleeve set, the middle sleeve set and the inner sleeve set abut against each other, and a sleeve is provided The strength of the person.

1‧‧‧Outer sleeve set

11‧‧‧Tool connector

12‧‧‧Workpiece joint

13‧‧‧ hollow room

14‧‧‧ 施力座

15‧‧‧ Limit groove

16‧‧‧through hole

17‧‧‧through holes

2‧‧‧Inner sleeve set

21‧‧‧First shaft seat

22‧‧‧First shaft hole

23‧‧‧First force section

24‧‧‧First missing slot

25‧‧‧ socket

26‧‧‧First cone

27‧‧‧First elastic element

3‧‧‧Medium sleeve set

31‧‧‧Second axle seat

32‧‧‧Second shaft hole

33‧‧‧First force section

34‧‧‧The second missing slot

35‧‧‧Second cone

36‧‧‧Chute

37‧‧‧Chamfering

38‧‧‧Limited parts

39‧‧‧Second elastic element

4‧‧‧ shaft

41‧‧‧ rod seat

42‧‧‧ rod body

43‧‧‧Perforation

44‧‧‧ mandrel

5, 51, 52‧‧‧ nuts

6‧‧‧Outer sleeve set

61‧‧‧Tool connector

62‧‧‧Workpiece joint

63‧‧‧ hollow room

64‧‧‧First internal ratchet

65‧‧‧ screw holes

7‧‧‧Medium socket set

71‧‧‧First external ratchet

72‧‧‧Second internal ratchet

73‧‧‧Chute

731‧‧‧ front end

732‧‧‧ Backend

74‧‧‧First elastic element

75‧‧‧First limiter

8‧‧‧Inner sleeve set

81‧‧‧Second external ratchet

82‧‧‧ Third internal ratchet

83‧‧‧through hole

84‧‧‧second limiter

85‧‧‧Second elastic element

9, 91, 92‧‧ ‧ nuts

The first figure is a schematic perspective view of the present invention.

The second figure is a schematic view of the stereoscopic appearance of another perspective of the present invention.

The third figure is a perspective exploded view of the present invention.

The fourth figure is a partial exploded perspective view of the present invention.

The fifth figure is a schematic plan view of the combination of the present invention.

The sixth drawing is a schematic cross-sectional view of the present invention.

The seventh figure is a schematic perspective view of the inner sleeve of the present invention from another perspective.

The eighth figure is a schematic perspective view of the perspective view of the sleeve set of the present invention.

The ninth drawing is a three-dimensional group diagram of another perspective view of the inner sleeve set and the middle sleeve set of the present invention.

The tenth figure is a front view of the outer sleeve set of the present invention.

Figure 11 is a schematic cross-sectional view showing a preferred embodiment of the present invention.

Figure 12 is a schematic cross-sectional view showing a preferred embodiment of the present invention.

Figure 13 is a schematic cross-sectional view showing a preferred embodiment of the present invention.

Figure 14 is a perspective exploded view of a preferred embodiment 4 of the present invention.

Figure 15 is a schematic cross-sectional view showing a preferred embodiment of the present invention.

Figure 16 is a schematic perspective view of a conventional sleeve.

Figure 17 is a perspective exploded view of a conventional sleeve.

Figure 18 is a schematic plan view of a conventional sleeve.

The nineteenth figure is a schematic sectional view of a conventional sleeve.

Figure 20 is a schematic diagram of the plane action of the conventional sleeve.

The twenty-first figure is a schematic diagram of the plane action of the conventional sleeve.

The twenty-second figure is a schematic diagram of the plane action of the conventional sleeve.

In the following, for the purpose of the present invention, the structure of the present invention and its features, and the detailed description of the present invention will be further understood.

Please refer to the first to tenth drawings, wherein the sleeve of the present invention mainly comprises an outer sleeve set 1, an inner sleeve set 2 and a middle sleeve set 3, wherein: an outer sleeve set 1 One end of the outer sleeve set 1 is a tool joint 11 for applying a force to the tool sleeve, and one end of the tool joint 11 is a workpiece joint 12, and the inside of the workpiece joint 12 is a hollow chamber 13 The inner diameter of the chamber 13 is formed with a ring-shaped arrangement of adjacent adjacent force-applying seats 14 and the limiting groove 15 (the present invention has three urging seats 14 and three limiting grooves 15 as a preferred embodiment, the continuous adjacent urging seat 14 and the limiting groove 15 can be hollow The inner sleeve of the chamber is provided with three through holes 16 extending longitudinally through a hollow chamber 13; an inner sleeve group 2, which can be sleeved on In the hollow chamber 13 of the outer sleeve set 1, a first shaft hole 22 is formed in a first shaft seat 21, and the front end of the first shaft seat 21 is provided with three first rings arranged in a ring shape. The first force-applying section 23 defines a first notch 24, and the first force-applying section 23 is provided with a sleeve groove 25 on the back surface thereof, and the sleeve groove 25 can be sleeved on the outer sleeve group The urging seat 14 of the first urging portion 14 is formed to have a lateral displacement in the hollow through hole 13 , and a first tapered surface 26 is formed on both sides of the first urging portion 23 . The first shaft seat 21 is sleeved at one end of a first elastic member 27, and the first elastic member 27 is received in the hollow chamber 13; a middle sleeve group 3, the middle sleeve group 3 is mainly Forming a second shaft hole 32 in a second shaft seat 31, and the first The front end of the shaft seat 31 is provided with three second force-applying sections 33 arranged in a ring shape, and a second notch 34 is formed between each of the second force-applying sections 33, and is formed on both sides of the second force-applying section 33. There is a second tapered surface 35, and each of the second urging sections 33 is formed with a sliding slot 36. The front end of the second urging section 33 is provided with an inner chamfer 37, and a limiting member 38 is disposed in the sliding slot 36. The limiting member 38 is fixed by the through hole 16 of the outer sleeve set 1 to the hollow chamber 13 , and the end of the second shaft seat 31 is abutted by the front end of the first shaft seat 21 . One end of the second elastic member 39 can be received in the first shaft hole 22 of the inner sleeve set 2 and abuts against the end of the second shaft seat 31.

If so, one end of the first elastic element 27 is sleeved on the first shaft seat 21 of the outer sleeve set 1 , and the second elastic element 36 can be inserted into the first shaft hole 22 and the first elastic element 27 . When the sleeve groove 25 of the first force applying section 23 is sleeved on the force applying seat 14 of the outer sleeve set 1, the The second urging portion 33 is sleeved in the limiting groove 15 of the outer sleeve group 1 , and the two sides of the second urging portion 33 can be sleeved in the first vacant groove 24 of the inner sleeve set 2 , The second notch 34 of the second force applying section 33 is sleeved on both sides of the first force applying section 23, and then passes through the through hole 16 of the outer sleeve set 1 by the limiting member 38 and is fixed, and the limit is fixed. One end of the member 38 can be inserted into the sliding groove 36 of the middle sleeve set 3, so that the middle sleeve set 3 can be laterally displaced within the hollow chamber 13 by the limit position of the limiting member 38, and the first force is applied. The first tapered surface 26 of the segment 23 abuts against the second tapered surface 35 of the second urging portion 33, and the inner diameter formed between each of the first urging portions 23 is smaller than between the second urging portions 33. The inner diameter is 2 mm, the inner diameter formed between each second force applying section 33 is smaller than the inner diameter 2mm formed between the force applying blocks 14, and the middle sleeve group 3 is sleeved on the outer sleeve group 1. Positioned in the hollow chamber 13, the position of the foremost end of the inner sleeve group 2 is deeper into the hollow chamber 13 than the foremost end of the middle sleeve group 3, so that the front end of the middle sleeve group 3 and the inner sleeve group 2 A one-dimensional difference is formed in the hollow chamber 13.

When the user wants to use the sleeve, the present invention is described in terms of the nut sizes of 17 mm, 19 mm and 21 mm which are generally continuous pitches, wherein, as shown in FIG. 11 , it is a preferred embodiment of the present creation. For example, when the user wants to unlock or lock the nut 5 having an outer diameter of 17 mm, the sleeve is sleeved with the nut 5, and the position formed by the front end of the middle sleeve set 3 and the inner sleeve set 2 Poorly, the nut 5 can be quickly and surely introduced into the inner sleeve set 2, and the first force applying section 23 of the inner sleeve set 2 can clamp three sides of the outer diameter of the nut 5, and then by electric or manual The transmission on the tool drives the rotation of the outer sleeve set 1, and the inner sleeve set 2 is sleeved on the urging seat 14 of the outer sleeve set 1 by its sleeve groove 25, and can be attached to the outer sleeve set 1 Rotating and rotating, and the second force applying section 33 of the middle sleeve set 3 is sleeved in the limiting groove 15 of the outer sleeve set 1, so that the middle sleeve set 3 also rotates with the outer sleeve set 1. Rotating, as such, the inner sleeve set 2 drives the rotation of the nut 5 with its first force applying section 23, and the first biasing section 23 during rotation can be subjected to the force applying seat 14 of the outer sleeve set 1 and Sleeve group 3 The second tapered surface 35 on both sides of the second force applying section 33 is supported, and has an inner sleeve set 2 which is capable of withstanding the torsion force, and can unlock or lock the nut 5 having an outer diameter of 17 mm.

Referring to FIG. 12, which is a preferred embodiment of the present invention, when the user wants to unlock or lock the nut 51 having an outer diameter of 19 mm, the sleeve is sleeved with the nut 51. The cap 51 is quickly positioned at the front end of the middle sleeve set 3 by the inner chamfer 37 of the front end of the middle sleeve set 3, because the outer diameter of the 19 mm nut 51 is greater than the first force of the inner sleeve set 2 The maximum inner diameter formed between the segments 23 causes the first cap force portion 23 of the inner sleeve set 2 to be pushed into the hollow chamber 13 when the nut 51 is nested, and compresses the first elastic member 27, which The outer diameter of the nut 51 is clamped by the second force applying section 33 of the middle sleeve set 3, and the rotation of the outer sleeve set 1 is driven by the transmission on the electric tool or the hand tool, and the middle sleeve set 3 is The back surface of the second force applying section 33 is sleeved in the limiting groove 15 of the outer sleeve group 1, and the limitation and support of the restricted position groove 15 are rotated by the rotation of the outer sleeve group 1 Unlock or lock the nut 6 with an outer diameter of 19 mm.

Referring to the thirteenth embodiment, in the third embodiment of the present invention, when the user wants to unlock or lock the nut 52 having an outer diameter of 21 mm, the sleeve is sleeved with the nut 52. The outer diameter of the nut 52 is greater than the maximum inner diameter of the first force applying section 23 of the inner sleeve set 2 and the second force applying section 33 of the middle sleeve set 3, and the inner sleeve is when the nut 52 is inserted. The first force applying section 23 of the cartridge set 2 and the second force applying section 33 of the middle sleeve set 3 are pushed into the hollow chamber 13, and the middle sleeve set 3 is limited by the restricting member 38 of the sliding slot 36 thereof. Positioned in the hollow chamber 13 to laterally displace and compress the first elastic member 27 and the second elastic member 36 such that the outer diameter of the nut 52 is clamped by the biasing seat 14 of the outer sleeve set 1. Then, the rotation of the outer sleeve set 1 is driven by the power tool or the transmission on the hand tool, and the force applying seat 14 rotates with the rotation of the outer sleeve set 1, so as to unlock or lock the nut with an outer diameter of 21 mm. 52.

Thus, the inner diameter formed between the first urging sections is smaller than the inner diameter 2mm formed between the second urging sections, and the inner diameter formed between the second urging sections is smaller than that formed between the urging seats. The inner diameter of the inner diameter is 2 mm, and the nut of the three outer diameter outer diameters can be unlocked or locked, and the sleeve of the first force applying section is sleeved on the force applying seat of the outer sleeve group. The second force applying section is sleeved in the limiting groove of the outer sleeve group, and the two sides of the second force applying section are sleeved in the first notch of the inner sleeve group, and the second force is applied The second notch of the segment is sleeved on two sides of the first force applying section, and the first tapered surface of the first force applying section and the second tapered surface of the second force applying section are abutted against the limit, so that the outer sleeve The group, the middle sleeve group and the inner sleeve group are mutually abutted to each other, and a sleeve capable of withstanding the torsional strength can be provided.

Please refer to the fourteenth to fifteenth drawings, which is a preferred embodiment of the creation. The main part comprises an outer sleeve set 1, an inner sleeve set 2, a middle sleeve set 3 and a shaft 4 Wherein: an outer sleeve set 1, one end of the outer sleeve set 1 is a tool joint 11 for applying a force to the tool sleeve, and one end of the tool joint 11 is a workpiece joint 12, and the workpiece joint 12 is inside In the hollow chamber 13, the inner sleeve group 2 and the middle sleeve group 3 are disposed therein, and the inner chamber of the hollow chamber 13 is formed with continuous adjacent force applying blocks 14 And the limiting groove 15 is provided on the outer sleeve set 1 with a through hole 17 extending longitudinally through the hollow chamber 13; an inner sleeve set 2, the inner sleeve set 2 being attached to a first shaft seat 21 A first shaft hole 22 is formed, and the first shaft portion 21 is provided with three first force-applying sections 23 arranged in a ring shape, and a first notch 24 is formed between each of the first force-applying sections 23, a sleeve groove 25 is formed on the back surface of the first force applying portion 23, and a first tapered surface 26 is formed on both sides of the first force applying portion 23, and the first shaft seat 21 is provided with a first elastic member 27. One end set; one set Group 3, mainly the sleeve 3 is formed a second set of shaft 31 to a second shaft holder a hole 32, and a second urging portion 33 arranged in a ring shape is disposed at a front end of the second shaft seat 31, and a second vacant groove 34 is formed between each of the second urging portions 33, and the third slab is formed A second tapered surface 35 is formed on both sides of the force portion 33, and an end of the second shaft seat 31 is sleeved at one end of a second elastic member 36; a shaft 4 is sleeved on the outer sleeve In the hollow chamber 13 of the cartridge set 1, a hollow rod body 42 is formed on a rod seat 41. The rod body 42 is provided with a longitudinal perforation 43 which can be inserted through the middle sleeve group 3. The second shaft hole 31 and the first shaft hole 22 of the inner sleeve group 2, and the middle sleeve group is made because the maximum outer diameter of the rod seat 41 is larger than the inner diameter of the second shaft hole 31 of the middle sleeve group 3 3 and the inner sleeve set 2 can be restrained by the shaft 4, and then passed through a through hole 17 of the outer sleeve set 1 by a mandrel 44 and consolidated, so that the shaft 4 is fixed in the hollow chamber 13 .

Thus, the first shaft hole 22 of the inner sleeve set 2 and the second shaft hole 32 of the middle sleeve set 3 can be restricted by the shaft 4 by the positioning of the shaft 4 in the hollow chamber 13. The inner sleeve set 2 and the middle sleeve set 3 are allowed to be laterally displaced within the hollow chamber 13.

The present invention has been described by way of example only, and various modifications may be made by those skilled in the art, and variations and modifications are intended to be included within the spirit and scope of the invention.

In summary, the present invention is provided by the inner sleeve set and the middle sleeve set in the outer sleeve set, and can provide the unlocking or locking of the three consecutive step size outer diameter nuts, regardless of the structure. The change, or the improvement of the efficacy, is undoubted, and the invention was not found in the publication before the application, nor was it publicly used. It has already met the requirements of the patent application and filed a patent application according to law.

1‧‧‧Outer sleeve set

11‧‧‧Tool connector

12‧‧‧Workpiece joint

13‧‧‧ hollow room

14‧‧‧ 施力座

15‧‧‧ Limit groove

16‧‧‧through hole

2‧‧‧Inner sleeve set

21‧‧‧First shaft seat

22‧‧‧First shaft hole

23‧‧‧First force section

24‧‧‧First missing slot

25‧‧‧ socket

26‧‧‧First cone

27‧‧‧First elastic element

3‧‧‧Medium sleeve set

31‧‧‧Second axle seat

32‧‧‧Second shaft hole

33‧‧‧First force section

34‧‧‧The second missing slot

35‧‧‧Second cone

36‧‧‧Chute

37‧‧‧Chamfering

38‧‧‧Limited parts

39‧‧‧Second elastic element

Claims (10)

A sleeve includes an outer sleeve set, an inner sleeve set and a middle sleeve set, wherein: an outer sleeve set, one end of the outer sleeve set is a tool joint for applying a force to the tool sleeve, and One end of the tool joint is a workpiece joint, and the workpiece joint is a hollow chamber. The inner diameter of the hollow chamber is formed with a ring-shaped arrangement of adjacent adjacent force-applying seats and limiting grooves; The sleeve set is sleeved in the hollow chamber of the outer sleeve set, and is mainly formed in a first shaft seat to form a first shaft hole, and the front end of the first shaft seat is provided with three a first force-applying section arranged in a ring shape, a first notch is formed between each of the first force-applying sections, and a sleeve groove is arranged on the back of the first force-applying section, and the sleeve groove can be sleeved on the outer sleeve The first shaft seat is sleeved at one end of a first elastic member, and the first elastic member is received in the hollow chamber; a middle sleeve group, the middle sleeve group Mainly disposed at the front end of a second axle seat is provided with three second force-applying sections arranged in a ring shape, and each of the second force-applying sections forms a second slot, and The end of the second shaft seat can be abutted by the front end of the first shaft seat of the inner sleeve set, the end of the second shaft seat can be abutted by one end of a second elastic element, and the second elastic element is received by Hollow room. The sleeve of claim 1, wherein the force applying seat and the limiting groove are respectively three, and the three consecutive adjacent force applying seats and the limiting groove can form a hollow chamber. the inside diameter of. The sleeve of claim 1, wherein the outer sleeve set is provided with three through holes extending longitudinally through a hollow chamber, and the through hole is provided for a limit member from the outer sleeve set. The through hole is fixed to the hollow chamber, and one end of the limiting member is sleeved in the sliding groove formed on the second force applying portion. The sleeve of claim 1, wherein a first tapered surface is formed on both sides of the first force applying section, and a second tapered surface is formed on both sides of the second force applying section, the first The third paragraph of the force A tapered surface abuts against the second tapered surface of the second force applying section. The sleeve of claim 1, wherein the front end of the second force applying section is provided with an inner chamfer. The sleeve of claim 1, wherein the two sides of the second force applying section are sleeved in the first notch of the inner sleeve group, and the second slot of the second force applying section The two sides of the first force applying section are sleeved. The sleeve of claim 1, wherein the inner diameter formed between the first force applying sections is smaller than the inner diameter formed by each second force applying section by 2 mm, and each of the second force applying sections The inner diameter formed is less than 2 mm of the inner diameter formed between the force applying seats. The sleeve of claim 1, wherein the front end of the inner sleeve set is deeper than the front end of the middle sleeve set in the hollow chamber, so that the middle sleeve group and the inner sleeve group The front end of the space forms a difference in the hollow chamber. The sleeve according to claim 1, wherein the hollow chamber of the outer sleeve set is sleeved by a shaft, and the outer sleeve group is provided with a through hole extending longitudinally through the hollow chamber. The hole can be fixed by a mandrel, and the mandrel can be pierced through the hole on the shaft, so that the shaft is fixed in the hollow chamber of the outer sleeve group. The sleeve of claim 9, wherein the shaft is formed with a hollow rod body by a rod seat, and the rod body can pass through the second shaft hole of the middle sleeve group and the inner sleeve group a first shaft hole, and the maximum outer diameter of the rod seat is larger than the inner diameter of the second shaft hole of the middle sleeve group, so that the middle sleeve group and the inner sleeve group are received by the limit of the shaft Hollow room.