TWI595977B - Wrench fastening device - Google Patents

Description

Wrench fastening device

The invention relates to a wrench fastening device, which refers to a technology applied in the field of hand tools, and is characterized in that a fixed fixing sleeve, a screwdriver head and the like are mounted on a wrench to prevent the sleeve and the screwdriver from being comfortable during the operation. Disengagement and falling are an excellent invention.

Wrench is one of the indispensable items of today. It is due to the fact that many household appliances, furniture, and even large-scale industries rely on the locking of screws to fix the chess assembly. Therefore, the wrench is for general users. As well as the maintenance personnel, it is one of the most important tools. There are many types of wrenches on the market, such as a wrench, a ratchet wrench and a T-wrench. Different types of wrenches must be disassembled and the screws of the group are different. With the evolution of the times, the average user and the repairer in each construction, in order to reduce the load of a certain amount of weight generated by the excessive variety of wrenches, and many screws are set too narrow, not the general wrench can easily The ground enters and rotates, so many manufacturers have improved the wrench and added a sleeve that can meet different types of screw disassembly and assembly, or provide a screwdriver for the installation, so that the user and the repairer not only It can be directly removed through the wrench, and the screws can be added. It can also be added with a sleeve, a screwdriver to disassemble, set different areas, and different Type size screws. However, the above is only an explanation of the relationship between the wrench and the sleeve and the screwdriver head. Actually, The assembly position between the wrench and the sleeve and the screwdriver head is the key point.

Please refer to the Republic of China Patent No. M426472 "Thumbs clamp device". The wrench mainly includes a wrench body having at least one receiving portion, a ratchet ring seat disposed on the wrench body receiving portion, and a ratchet ring. a ratchet device between the seat and the wrench body, and at least one clamping device disposed on the ratchet ring seat; wherein the ratchet ring seat is provided with an outer ring ratchet on the outer ring surface, and the inner ring surface is opened The inner twelve-corner sleeve portion is provided with an elastically stretchable clip assembly on the adjacent wall between two adjacent inner corners of the sleeve portion, and the clip assembly can be simultaneously protruded a sleeve surface of two adjacent inner corners; thereby, when the twelve-corner sleeve portion of the ratchet ring seat is fitted with the outer hexagonal working piece, whether it is nested with an odd inner angle or an even inner angle, The clamp can be used to firmly and effectively hold the work piece, thereby achieving the practical benefit of greatly improving the use efficiency. Although the above-mentioned wrench can further fix the sleeve by the clamping device, the elastic force of the elastic body is pushed against the bead fixing sleeve for a long time, and the elasticity of the elastic body is easily fatigued, which may not be smoothly performed afterwards. The bead is pushed out to fix the sleeve setting.

Please also refer to the Republic of China Patent Publication No. M466758 "Starter Head Wrench Tool", which is provided with a tool holder on the wrench body, and the first end of the tool holder is provided with a clamping groove with a clamping and positioning structure for socket positioning. The first end of the ejector member is connected to the second end of the tool holder of the wrench body, and the first end of the ejector member is configured to be extendable to the tool holder. The pushing portion of the sleeve groove is provided with a pressing portion at the second end for pressing the ejection head, and an elastic member is disposed at the second end of the tool holder for resetting the pushing and pushing member; Therefore, by pressing the ejector to push out the screwdriver head, the screwdriver head can be disengaged from the clamping locating structure of the ferrule, and protruded a long distance so as to facilitate The user can easily extract the screwdriver head, thereby achieving the practical benefit of easy force application and convenient use. Although the above-mentioned wrench is technically characterized in that it is easy to pull off the screwdriver head, the clip member for fixing the screwdriver head is easy to be elasticized due to the reverse pull-out of the screwdriver head and the assembly operation. The fixing force is gradually tired, and finally the screwdriver head cannot be smoothly fixed in the fitting groove.

In the same way, please refer to the Republic of China Patent Publication No. M476030, "Improved Structure of a Penetrating Ratchet Wrench", which has a wrench body, and the front end of the wrench body has a head with a ratchet therein. The ratchet wheel is provided with a polygonal sleeve hole, and the sleeve hole is used for sleeved a sleeve. Further, the upper edge of the ratchet wheel is provided with a first neck portion, and the outer wall of the first neck portion is The ring is provided with a ring groove, and the ratchet has a plurality of perforations in the ring groove, and a C-shaped buckle is further fastened in the ring groove, and the through holes can be protruded by the C-shaped buckle, thereby forming a limit. The position portion is configured to elastically stop the sleeve, whereby the socket of the ratchet restricts the displacement of the sleeve during operation of the user. The wrench of this case is the same as the M466758 "driver head wrench tool". It is also equipped with a C-shaped buckle to fix the sleeve. However, it is also easy to be reliably stable due to the elastic fatigue of the C-shaped buckle. Fix the sleeve.

Looking at the technical aspects of the above-mentioned related wrenches, the common disadvantage is that the components used to fix the screwdriver head and the sleeve may be unstable due to the elastic fatigue, and the sleeve and the screwdriver head may not be reliably mounted on the wrench for operation. And it is easy to fall, detach, or even cause a lost situation. To this end, the relevant industry must carefully consider how to improve the wrench, which is further in line with the public. In view of the above situation In the form, the inventors invested a lot of time to study relevant knowledge, and compared various advantages and disadvantages, carried out research and development of related products, and conducted numerous experiments and tests, and finally introduced a "wrench fastening device" to improve the above-mentioned defects. In order to meet the needs of the public.

The main technical technology of the present invention is to provide the screwdriver head and the sleeve when the sleeve is mounted on the wrench, and the screwdriver head and the sleeve can be mounted on the wrench reliably and stably, and the problem of falling and the like is not caused; Among the related technologies listed in the related art, the common disadvantage is that the components of the fixed screwdriver head and the sleeve may be elastically fatigued due to long-term operation, and the assembly structure of the conventional wrench is too complicated.

In order to achieve the above object and effect, a wrench fastening device for fixing a sleeve and a screwdriver head includes: a wrench body having a handle portion and a driving portion connecting the handle portion And a receiving slot is further disposed in the driving portion, and a through opening is formed in the bottom surface of the receiving slot, and the receiving slot further defines a slot in the side slot wall of the corresponding handle portion. The sluice ring is connected to the accommodating groove; a swaying component has a ratchet ring and a swaying tooth block, and the ratchet ring is installed in the accommodating groove of the driving portion, and the outer ring of the ratchet ring a plurality of teeth are arranged, and the center of the ratchet ring is inserted through a hole, and the rocking block is installed in the slot, and the side of the rocking block corresponding to the tooth block of the ratchet ring is further provided. An intermeshing tooth row, wherein the tilting tooth block is provided with a push control portion at the opposite end of the tooth row; and a dialing member is inserted into the driving portion and corresponding to the missing slot, the dialing member includes a wrench And a steering column, the one end of the wrench protrudes from the opening, and the wrench protrudes One end of the mouth is further provided with an arc notch, and one end of the control column is connected to the trigger piece, and the other end of the control column is inserted into the notch, and between the control column and the tilting tooth block Another set of elastic kit, the bomb One end of the force kit abuts against the other end of the steering column and abuts against the pushing portion of the tilting tooth block; wherein the pivoting of the adjusting member enables the quick opening of the screwdriver head and the sleeve corresponding to the arc notch Hole, on the contrary, when the screwdriver head and the sleeve do not correspond to the arc notch, a stable installation state is formed, thereby stabilizing the screwdriver head and the sleeve stably installed in the sleeve hole, and achieving the purpose of preventing any separation during the construction operation. And efficacy.

A further technical feature of the present invention is that the top ends of the arc notches of the wrench are further respectively formed with a card abutting tip, and each of the card abutting tip is inserted into the screwdriver head and the sleeve at the pivoting of the wrench.

A further technical feature of the present invention is that the elastic sleeve further includes an elastic member and a reversing block, and one end of the elastic member is elastically biased against the other end of the column to bounce the reversing block, and the reversing block is elasticized by the elastic member. The opposite end of the abutment is attached to the opposite end of the toothed tooth block, and the triggering of the trigger is performed by the card engaging the tip end of the card and the sleeve, and simultaneously controlling the ratchet ring. Direction of rotation.

A further technical feature of the present invention is that a groove of the driving portion of the driving portion adjacent to one end of the opening is further recessed with a limiting ring groove, and a C-shaped buckle elastic buckle is inserted into the limiting ring groove, and Further limit the setting of the ratchet ring.

A further technical feature of the present invention is that a cover is sleeved at the grooving slot, and the cover member limits the detachment of the ratchet ring from the swaying assembly.

A further technical feature of the present invention is that the push control portion is further recessed with two adjacent arc grooves.

Looking at the above technical features described in the present invention, the advantage is that the card sleeve and the screwdriver head are directly inserted through the dialing member, so that the whole body can be eliminated. The structure of the clamping sleeve and the screwdriver head is arranged, and the long-term disassembly and group operation of the sleeve and the screwdriver head can be avoided, so that the elastic component of the internal elastic component of the wrench is fatigued, and the sleeve can be stabilized by the embedding of the dialing member. The screwdriver head is installed in the sleeve hole to avoid the problem that the sleeve and the screwdriver head are detached and dropped during the operation, and the user and the repairer can also change the installed hand tool according to the site condition. . Therefore, the present invention can be said to be a practical and progressive creation, which is quite worthy of promotion by the industry and is publicized to the public.

(10)‧‧‧Sleeve

(20) ‧ ‧ ‧ screwdriver head

(30) ‧‧‧ Ring groove

(1)‧‧‧Wrench body

(11)‧‧‧Handle

(12)‧‧‧ Drive Department

(13) ‧‧‧ accommodating slots

(131)‧‧‧ ‧ mouth

(132)‧‧‧ Limit ring groove

(14) ‧‧‧ Missing slots

(2) ‧ ‧ 掣 moving components

(21)‧‧‧ ratchet ring

(211)‧‧‧ teeth

(212) ‧ ‧ set of holes

(22)‧‧‧掣动齿块

(221)‧‧‧ teeth row

(222) ‧ ‧ ‧ Department of Control

(223)‧‧‧Arc slot

(3) ‧‧‧dials

(31)‧‧‧Reel

(311)‧‧‧ arc notches

(312) ‧‧‧Card against the tip

(32) ‧‧ ‧ control column

(4)‧‧‧Flex kit

(41)‧‧‧Flexible parts

(42) ‧‧‧ commutation block

(5)‧‧‧C type buckle

(6) ‧ ‧ cover

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

The second drawing is an exploded perspective view of the present invention.

The third figure is a top view of the present invention.

The fourth figure is a schematic cross-sectional view of the line IV-IV of the third figure.

The fifth figure is a top view of the dialing member of the present invention pivoted and not embedded in the screwdriver head.

The sixth figure is a schematic view of another perspective view of the VI-VI line segment of the fifth figure.

The seventh figure is a three-dimensional combination diagram of the mounting sleeve of the present invention.

The eighth figure is a schematic cross-sectional view of the seventh set of sleeves.

In order to clearly illustrate the above objects and effects of the present invention, the features and effects of the present invention will be described in detail with reference to the accompanying drawings. Referring to the first to sixth figures, the wrench fastening device of the present invention is used for fixing the sleeve (10) and the driver head (20) (the first to sixth figures are the screwdriver heads). (20) For the main explanation, the seventh and eighth drawings are the sleeve (10) as the main description), the general sleeve (10), the screwdriver The head (20) is provided with a recessed groove on the outer peripheral surface of one end, so that it is not described here. Therefore, the present invention includes: a wrench body (1) having a handle portion (11) and a The driving portion (12) is connected to one end of the handle portion (11), and further comprises a receiving groove (13) in the driving portion (12), and a through opening is formed in the bottom surface of the receiving groove (13). 131), the receiving groove (13) further recesses a slot (14) in a side wall of one of the corresponding grip portions (11), and the notch (14) is connected to the receiving groove (13) a slamming assembly (2) having a ratchet ring (21) and a swaying tooth block (22), the ratchet ring (21) being mounted in the receiving groove (13) of the driving portion (12) The outer ring of the ratchet ring (21) is provided with a plurality of teeth (211), and the center of the ratchet ring (21) is inserted through a hole (212), and the rocking block (22) is mounted on the outer ring (22). In the slot (14), the side of the tooth block (211) corresponding to the ratchet ring (21) of the ratchet block (22) is further provided with an intermeshing tooth row (221), and the tilting tooth block ( 22) an opposite end of the tooth row (221) is provided with a push control portion (222); and a dial member (3) is inserted into the driving portion (12) Corresponding to the notch (14), the dial (3) includes a wrench (31) and a steering column (32), and one end of the trigger (31) is exposed at the opening (131), and the wrench One end of the protruding opening (131) of the piece (31) is further provided with an arc notch (311), and the one end of the guiding column (32) is connected to the wrench (31), and the other of the steering column (32) One end is inserted into the missing slot (14), and an elastic sleeve (4) is further disposed between the steering column (32) and the tilting tooth block (22), and one end of the elastic sleeve (4) is controlled The other end of the column (32) is opposite to the pushing portion (222) of the tilting tooth block (22); wherein the pivoting of the dialing member (3) causes the driver head (20) and the sleeve (10) to be mounted When it is corresponding to the arc notch (311), it can be quickly separated from the sleeve hole (212), and when the screwdriver head (20) and the sleeve (10) do not correspond to the arc notch (311), a stable installation state is formed. Thereby, the stable screwdriver head (20) and the sleeve (10) are stably installed in the sleeve hole (212), and the purpose and the function of preventing any separation during the construction operation are achieved.

According to the foregoing description, the present invention further forms a card abutting tip (312) at the top ends of the arc notches (311) of the yoke (31), each of which abuts the tip end (312) on the yoke (31). The pivoting pendulum is inserted into the screwdriver head (20) and the sleeve (10), so when the user and the repairer select the required screwdriver head (20) and the sleeve (10), the ratchet ring is further inserted. In the sleeve hole (212) of (21), through the design of the trigger piece (31) of the dial member (3), the direction of the dial (31) is determined to determine the operating direction of the ratchet ring (21), and the flap ( 31) One end of the card abutting tip (312) formed at both ends is fitted with a clamping sleeve (10) and a slot of the screwdriver head (20), so that the sleeve (10) and the screwdriver head (20) can be obtained. It is firmly installed in the present invention. However, in order to achieve an optimal assembly arrangement, the present invention has a ring groove (30) recessed on the outer peripheral side of one end of the sleeve (10) and the bit (20), and near the end edge, through the ring groove (30). The card is provided with the card abutting tip (312) of the trigger piece (3), so as not to affect the installation of the sleeve (10) and the screwdriver head (20). The sleeve (10) and the screwdriver head (20) are shortened, and the invention is illustrated by the sleeve (10) and the screwdriver head (20) having a ring groove (30) as a main preferred embodiment. Description (herein stated in the foregoing), the insertion of the card against the tip (312) through the trigger (31) is not only stable but also prevents the sleeve (10) and the driver (20) from being fatigued due to the elasticity of the components during operation. Easy to fall off, further reducing the wrench body (1) is provided with an overly complex structure, greatly reducing its cost and achieving the function of easy assembly, please refer to the fourth, sixth and eighth figures.

In addition, the main function of the dial member (3) of the present invention is that the fixing sleeve (10) and the screwdriver head (20) are stably mounted on the sleeve hole (212) of the ratchet ring (21), and most importantly, Switching and controlling the steering of the ratchet ring (21), so the elastic sleeve (4) between the tilting tooth block (22) and the steering column (32) is particularly important, so the elastic kit (4) further includes An elastic member (41) and a reversing block (42), one end of the elastic member (41) is urged against the steering column (32), and the other end of the elastic member (41) is biased against the reversing direction One end of the block (42), and the opposite end of the reversing block (42) which is rebounded by the elastic member (41), abuts against the swaying tooth block (22), and the swaying tooth block (22) is replaced. The pushing portion (222) at one end of the block (42) is further recessed with two adjacent arc grooves (223). Therefore, the pivoting of the wrench (31) can control the pivoting of the steering column (32) while controlling the pivoting of the steering column (32) in addition to the locking sleeve (10) and the ring groove (30) of the screwdriver head (20). The rotation of the column (32) further drives the displacement of the elastic member (41) and the reversing block (42), and the reversing block (42) is restrained from being tilted according to the pivoting direction of the flap (31). In any of the two arc slots (223) of the tooth block (22), the tilting of the tooth block (22) changes the meshing direction with the ratchet ring (21) according to the snapping of the commutating block (42). In order to provide the user and the repairer to remove and assemble the screw lock screw, please refer to the fourth, sixth and eighth figures, and the second figure is used as an auxiliary explanation.

In addition, in order to prevent the user and the maintenance person from being detached from the swaying tooth block (22) during the operation, the accommodating groove (13) of the driving portion (12) is close to the wearer. The slot wall surface of one end of the port (131) is further recessed with a limit ring groove (132), and another C-type buckle (5) is elastically buckled in the limit ring groove (132), and the C-shaped buckle (5) is partially clamped in the limit ring groove (132), and the portion not stuck in the limit ring groove (132) will abut the ratchet ring (21), thereby limiting the ratchet ring ( 21) detached from the opening (131), please refer to the second and fourth figures; in addition, in addition to the setting of the above-mentioned C-shaped buckle (5) to limit the installation of the ratchet ring (21), in the accommodating groove (13) Further, a cover (6) is provided at the notch, and the cover (6) closes the notch of the receiving groove (13) to prevent the ratchet ring (21) and the tilting tooth block (22) and the elastic sleeve ( 4) Loose, please refer to the second figure.

Finally, it is worth mentioning that the sleeve hole (212) of the ratchet ring (21) can be designed according to the shape of the sleeve (10) and the driver head (20) to be inserted, so the sleeve hole (212) The hole type is a polygonal shape, and the sleeve (10) and the screwdriver head (20) are inserted into the sleeve hole (212) through this arrangement, and the ratchet ring (21) can surely drive the sleeve when rotated. 10) The screwdriver head (20) is rotated to achieve the purpose of removing and assembling the screw and locking, as shown in Figures 1 to 8. Compared with the technology listed in the prior art, it is more progressive and more in line with the requirements of the general public. The above is only a preferred embodiment for explaining the present invention, and is not intended to limit the invention in any way, so that any modifications relating to the present invention are made in the spirit of the same invention. And the changer, other types that can be implemented and have the same effect, should still be included in the scope of the intention of the present invention.

In summary, the "wrench fastening device" of the present invention is practically and cost-effectively and fully meets the needs of industrial development, and the disclosed structural invention has an unprecedented innovative structure, so it has " "Newty" should be undoubtedly considered, and the invention can be more effective than the conventional structure, and therefore has "progressiveness", which fully complies with the requirements of the application requirements of the invention patents in the Patent Law of China, and is a patent application according to law. And please ask the bureau to review it early and give it affirmation.

(20) ‧ ‧ ‧ screwdriver head

(1)‧‧‧Wrench body

(11)‧‧‧Handle

(12)‧‧‧ Drive Department

(3) ‧‧‧dials

Claims (5)

A wrench fastening device for fixing a sleeve and a screwdriver head, comprising: a wrench body having a grip portion and a driving portion connecting one end of the grip portion, and further passing through the driving portion An accommodating slot is provided, and a through opening is formed in a bottom surface of the accommodating slot. The accommodating slot further defines a slot in the side slot wall of the corresponding handle portion. The slot is connected to the accommodating slot. a slamming ring having a ratchet ring and a swaying ring, the ratchet ring being mounted in a receiving groove of the driving portion, and the ratchet ring outer ring is provided with a plurality of teeth, and the ratchet ring The central position is through a hole, and the movable tooth block is installed in the notch, and the side of the tooth block corresponding to the ratchet ring is further provided with a tooth row that meshes with each other, and the tilting The opposite end of the tooth block is provided with a pushing control portion; and a dialing member is inserted into the driving portion and corresponding to the missing slot, the adjusting member comprises a wrench and a steering column, and the trigger member has one end Shining out of the mouth, and one end of the flap protruding from the opening is further provided with an arc notch, and One end of the steering column is connected to the wrench, and the other end of the steering column is inserted into the slot, and an elastic sleeve is further disposed between the steering column and the tilting block, and the elastic sleeve is provided at one end. The other end of the control column is opposite to the pushing portion of the swaying tooth block; the top ends of the arc notches of the yoke are respectively formed with a card abutting tip, and each card abuts against the tip of the yoke and is embedded in the yoke a screwdriver head and a sleeve; wherein the pivoting of the dialing member enables the driver head and the sleeve to be quickly disengaged from the sleeve hole when the sleeve is disposed corresponding to the arc notch, and vice versa when the screwdriver head and the sleeve do not correspond to the arc notch The stable installation state is formed, thereby stabilizing the screwdriver head and the sleeve stably installed in the sleeve hole, and achieving the purpose and effect of preventing any separation during the construction operation. The spanner fastening device of claim 1, wherein the elastic sleeve further comprises an elastic member and a reversing block, one end of the elastic member is springed against the other end of the control column The opposite end of the reversing block being biased by the elastic member is attached to the opposite end of the toothed row of the swaying tooth block, and the plucking of the ripper is inserted into the card with the card at the tip end. The screwdriver head and the sleeve are installed, and at the same time, the rotation direction of the ratchet ring is controlled. The wrench fastening device according to the first or the second aspect of the invention, wherein the groove of the driving portion of the driving portion near the end of the opening is further recessed with a limiting ring groove, and a type C is further provided. The buckle elastic buckle is stuck in the limit ring groove and further restricts the setting of the ratchet ring. The wrench fastening device of claim 3, wherein a cover is sleeved at the accommodating groove, and the cover member limits the detachment of the ratchet ring from the swaying assembly. The wrench fastening device according to claim 1, wherein the pushing portion is further recessed with two adjacent arc grooves.