TW201309426A - Socket coupling and holding structure for go-through wrench - Google Patents

Abstract

The present invention provides a socket coupling and holding structure of go-through wrench, which comprises a wrench body. The wrench body is configured with a ratchet therein. The ratchet is penetrated with a coupling hole for coupling with a socket. Further, one end of the ratchet is protruded with a first shoulder, and the outer side of the first shoulder is surrounded with an annular groove, and the ratchet is further configured with a notch in radial direction communicating the annular groove with the coupling hole. The annular groove is further buckled with a C-shaped retaining ring, and at least one free end of the C-shaped retaining rain is configured with an elastic stop portion toward the notch for elastically stopping the socket. Thus, the present invention is not required to have each socket configured with the C-shaped retaining ring to be able to couple with sockets of different specifications, so as to achieve the effects of easy manufacturing and reduction of manufacturing cost.

Description

Sleeve-integrated sleeve with penetrating wrench

The invention relates to a sleeve-bonding fixing structure of a penetrating wrench, in particular to a sleeve-bonding fixing structure of a penetrating wrench which is easy to manufacture and has low production cost.

A penetrating wrench is often used to lock or loosen a bolt. Referring to the first and second figures, it is a schematic exploded view of a conventional penetrating wrench and a sleeve. In the cross-sectional view, the conventional pendulum wrench 200 has a wrench body 201, and the wrench body 201 has a head 202. The head 202 is pivotally provided with a ratchet 203. The sleeve portion 204 of the polygon can be sleeved to fix a sleeve 300. The sleeve 300 has a joint portion 301, and a circumferential groove of the joint portion 301 is provided with a ring groove 302. The elastic buckle 303 is fixed, and when the joint portion 301 of the sleeve 300 is engaged with the sleeve hole 204, the elastic buckle 303 will elastically abut against the inner wall of the sleeve hole 204, and A fixed effect can be achieved to ensure that the sleeve 300 does not fall off the transmissive wrench 200 during user operation.

However, since the conventional pendulum wrench 200 usually has a plurality of sleeves 300 corresponding to bolts of different specifications, the above-mentioned combination and fixing manner is not only required to be provided on each sleeve 300, but also the elastic buckle 303 is provided. In addition, a large number of production costs and time are added, and in order to allow the elastic buckle 303 to abut against the inner wall of the socket hole 204, the elastic buckle 303 must be concavely folded into a polygonal shape to protrude slightly from the annular groove 302, and processed. The difficulty is high, the mass production is not easy, and at the same time, because the shape of the elastic buckle 303 is not easily maintained, the elastic force of the elastic buckle 303 is also difficult to control, resulting in the conventional penetrating wrench 200 being in a sleeve with different specifications. When 300 is combined, it is easy to occur that some sleeves 300 are too tight when combined with the socket holes 204, and some sleeves 300 are too loose when combined with the socket holes 204, so how to provide an easy manufacturing and production cost It is necessary to combine the fixed structure of the penetrating wrench with a lower combination with different sleeves.

SUMMARY OF THE INVENTION The object of the present invention is to provide a sleeve-bonding fixing structure of a penetrating wrench which is easy to manufacture and which is low in production cost.

In order to achieve the above object, a sleeve-bonding fixing structure of a penetrating wrench provided by the present invention has a wrench body, and one end of the wrench body is formed with a head, and one side of the head is recessed. There is a pocket, and the other side of the head is provided with a first perforation communicating with the pocket; and a ratchet is disposed in the pocket, and the ratchet is respectively protruded along the axial ends a first shoulder portion and a second shoulder portion are disposed in the first through hole, so that the ratchet sleeve is disposed in the receiving groove, and the ratchet wheel is attached to the first shoulder portion The through hole is axially provided with a set of holes, and the ratchet is provided with a ring groove at the outer ring of the first shoulder, and the ratchet is further provided with at least one radial direction on the first shoulder. a slotted slot, the slot is connected to the socket and the slot; and a C-shaped buckle is disposed in the ring groove of the ratchet and has two free ends, and the C-shaped buckle is at least a free end is provided with an elastic stop portion in the slot, the elastic stop portion slightly protrudes from the sleeve hole; and a back , Which is provided outside the cover-based receiving groove of the wrench main body, and the back cover is provided with a second through perforation lines, so that the back cover by the second set of perforations provided in the second shoulder limits of the ratchet.

The sleeve of the penetrating wrench of the present invention is combined with the fixing structure. When the user wears a sleeve through the sleeve hole, the elastic stop portion will elastically stop the sleeve, but Fixing the sleeve to the wrench body to ensure that the sleeve is not detached from the penetrating wrench during operation of the user, thereby making the penetrating wrench of the present invention not used for each set The C-shaped buckles are arranged on the cylinders, which can be combined with sleeves of different specifications, so that the effects of easy manufacturing and production cost reduction can be achieved, and the conventional penetrating wrench can be effectively improved in different specifications. When the sleeve is combined, it is easy to produce the disadvantage of being too tight or too loose.

Please refer to the third, fourth and fifth figures, which are exploded views, partially exploded views and partially enlarged cross-sectional views of a preferred embodiment of the present invention, which are disclosed as a sleeve of a penetrating wrench 100. In combination with the fixing structure, the pendulum wrench 100 mainly comprises: a wrench body 10 having a handle 11 and one end of the handle 11 is formed with a head 12 while one side of the head 12 A recess 13 is formed in the recess, and the other side of the head 12 is provided with a first through hole 14 communicating with the recess 13.

A first wheel portion 21 and a second shoulder portion 22 are respectively protruded from the two ends of the ratchet wheel 20, and the first shoulder portion 21 is worn. The first through hole 14 is disposed in the first through hole 14 , and the ratchet 20 is disposed in the cavity 13 . The ratchet 20 is disposed with a set of holes 23 along the axial direction of the first through hole 14 . The ring wheel 20 is provided with a ring groove 24 at the outer ring surface of the first shoulder portion 21, and the ratchet wheel 20 is further provided with at least one slot 25 on the first shoulder portion 21, and the slotted groove 20 The 25 series connects the sleeve hole 23 and the slot 24, and in the embodiment, the first shoulder portion 21 is provided with a slot 25.

A C-shaped buckle 30 is disposed in the annular groove 24 of the ratchet 20 and has two free ends 31, and at least one free end 31 of the C-shaped buckle 30 is provided with an elasticity in the slot 25 a stop portion 32, the elastic stop portion 32 is slightly protruded from the sleeve hole 23, and in the embodiment, one of the free ends 31 of the C-type buckle 30 is disposed in the slot 25 The elastic stop portion 32, and the free end 31 of the C-shaped buckle 30 first passes through the slot 25 and then extends outwardly in a reverse direction to form the elastic stop portion 32.

A back cover 40 is disposed on the outer side of the receptacle 13 of the wrench body 10, and a second through hole 41 is formed in the back cover 40, so that the back cover 40 is sleeved by the second through hole 41. Limited to the second shoulder 22 of the ratchet 20 .

In order to further understand the structural features of the present invention, the application of the technical means, and the intended effect, the manner of use of the present invention will be described. It is believed that the invention can be more deeply and specifically understood as follows: Referring to the sixth embodiment, which is a schematic view of the preferred embodiment of the present invention, when the user wants to join a sleeve 300 to the wrench body 10, the C is attached to the ratchet wheel 20 at this time. The buckle 30 is formed, and the elastic stop 32 of the C-shaped buckle 30 protrudes slightly from the sleeve hole 23, so the user only needs to directly insert the joint portion 301 of the sleeve 300 to the ratchet 20 The sleeve hole 23, the elastic stop portion 32 of the C-shaped buckle 30 will stop at the joint portion 301 of the sleeve 300, and the sleeve 300 can be stably fixed to the wrench body 10 to ensure During the operation of the pendulum wrench 100 by the user, the sleeve 300 is not detached from the penetrating wrench 100, thereby making the penetrating wrench 100 of the present invention not used on each sleeve 300. The C-shaped buckle 30 is provided, and can be combined with the sleeve 300 of different specifications, Not only can the effect of easy processing and manufacturing and the production cost be reduced, but also the shortcomings of the conventional penetrating wrench which is easy to be over-tight or too loose when combined with different specifications of the sleeve can be effectively improved.

It is worth mentioning that since the elastic stopper 32 is formed by winding the free end 31 of the C-shaped buckle 30, it is not only difficult to manufacture but also easy to manufacture and manufacture. Moreover, the user can control the strength of the elastic stop portion 32 against the sleeve 300 by controlling the length of the winding of the free end 31, and can maintain the quality stability of the elastic stop portion 32 to improve the conventional knowledge. The elastic buckle of the penetrating wrench is not easy to maintain.

Hereafter, the features of the present invention and its achievable efficacy are stated as follows:

1. The sleeve of the penetrating wrench of the present invention is combined with a fixing structure. When a user wears a sleeve through the sleeve hole, the elastic stop portion will elastically stop at the sleeve, and The sleeve is fixed to the wrench body to ensure that the sleeve is not detached from the penetrating wrench during operation of the user, thereby making the penetrating wrench of the present invention not used for each sleeve The C-shaped buckles are provided on the top, which can be combined with sleeves of different specifications, so that not only the effect of easy processing and manufacturing and the reduction of production cost can be achieved, but also the conventional penetrating wrench can be effectively improved in different specifications. When the sleeve is combined, it is easy to produce the disadvantage of being too tight or too loose.

2. The sleeve of the penetrating wrench of the present invention is combined with a fixing structure, and since the elastic stopping portion is formed by winding one of the free ends of the C-shaped buckle, it is not only difficult to manufacture in manufacturing. The effect of easy processing and manufacturing can be achieved, and the user can control the strength of the elastic stop portion against the sleeve by controlling the length of the free end winding, and can maintain the quality of the elastic stop portion. It is a disadvantage to improve the elastic force of the elastic buckle of the conventional penetrating wrench.

In summary, the present invention has excellent advancement and practicability in similar products, and at the same time, the technical materials of such structures are frequently investigated at home and abroad, and the same structure is not found in the literature. The invention already has the invention patent requirements, and the application is filed according to law.

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

100. . . Penetrating wrench

10. . . Wrench body

11. . . Grip

12. . . head

13. . . Crate

14. . . First perforation

20. . . ratchet

twenty one. . . First shoulder

twenty two. . . Second shoulder

twenty three. . . Socket hole

twenty four. . . Ring groove

25. . . Groove

30. . . C-shaped buckle

31. . . Free end

32. . . Elastic stop

40. . . Back cover

41. . . Second perforation

200. . . Penetrating wrench

201. . . Wrench body

202. . . head

203. . . ratchet

204. . . Socket hole

300. . . Sleeve

301. . . Joint part

302. . . Ring groove

303. . . Elastic buckle

The first figure is a schematic exploded view of a conventional penetrating wrench and sleeve.

The second figure is a schematic cross-sectional view of a conventional penetrating wrench and a sleeve.

The third drawing is a perspective view of a preferred embodiment of the present invention.

The fourth drawing is a partially exploded view of a preferred embodiment of the present invention.

The fifth drawing is a partially enlarged cross-sectional view of a preferred embodiment of the present invention.

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

100. . . Penetrating wrench

10. . . Wrench body

11. . . Grip

12. . . head

13. . . Crate

14. . . First perforation

20. . . ratchet

twenty one. . . First shoulder

twenty two. . . Second shoulder

twenty three. . . Socket hole

twenty four. . . Ring groove

25. . . Groove

30. . . C-shaped buckle

31. . . Free end

32. . . Elastic stop

40. . . Back cover

41. . . Second perforation

Claims (2)

A sleeve-bonding fixing structure of a penetrating wrench has a wrench body, and one end of the wrench body is formed with a head portion, one side of the head is recessed with a receiving groove, and the other side of the head is a first through hole is formed in the receiving groove, and a ratchet is disposed in the receiving groove, and the first shoulder and the second shoulder are respectively protruded from the two ends of the ratchet The first shoulder portion is disposed in the first through hole, and the ratchet sleeve is disposed in the cavity, and the ratchet is further provided with a set of holes in the axial direction of the first through hole. The back cover of the main body of the wrench body is provided with a back cover, and the back cover is provided with a second through hole, so that the back cover is sleeved to the second shoulder by the second through hole, The main feature is that the ratchet is provided with a ring groove at the toroidal surface of the first shoulder portion, and at least one of the first shoulder portion is disposed at a radial direction, and the slotted groove is connected. The sleeve hole and the ring groove; a C-type buckle ring disposed in the ring groove of the ratchet wheel and having two free ends, and the C At least one free end of the buckle is provided with an elastic stop portion in the slot, the elastic stop portion slightly protruding from the sleeve hole; thereby, when the user wears a sleeve through the sleeve When the hole is received, the elastic stop portion will elastically stop against the sleeve, and the sleeve can be fixed to the wrench body to ensure that the sleeve does not penetrate by the user during the operation of the user. The wrench is detached. The sleeve-bonding fixing structure of the penetrating wrench according to the first aspect of the invention, wherein the free end of the C-shaped buckle first passes through the slot and then extends outwardly and outwardly to The elastic stop is formed.