CN2882911Y

CN2882911Y - Ratchet sleeve spanner

Info

Publication number: CN2882911Y
Application number: CN 200420107582
Authority: CN
Inventors: 王秉武
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-10-29
Filing date: 2004-10-29
Publication date: 2007-03-28
Anticipated expiration: 2014-10-29

Abstract

A ratchet sleeve wrench is provided, which comprises a principal part (1), two embedded blocks (8), an rotating wrench jaw (2) and an adjusting cover (7). The utility model is characterized in that the adjusting cover (7) is connected with a transmission deflector rod (3). A radial pore is opened at the center of the transmission deflector rod (3). A spring (5) is arranged in the pore (33). In addition, both ends of the spring (5) contact one end of two locating pins (6). The other end of these locating pins (6) is respectively connected with back sides of the corresponding embedded block ratchet (81). The rotating wrench jaw at the end opposite to the adjusting cover is provided with a rotating device connected with the wrench. The utility model has the advantages that two embedded blocks as above effectively protects thin ratchets from being easily damaged, greatly prolongs wrench service life and ensures smooth operating in limited space. The design adjusts the direction of ratchet meshing through the locating pin and ultimately eliminates operating inflexibility. The adjusting cover and the transmission deflector rod are integrated into a whole, thus simplifying structure, production and processing techniques.

Description

Box socket set

Technical field

The utility model relates to a kind of monkey wrench, especially refers to a kind of box socket set.

Background technology

Traditional ratchet spanner, kind is more, as application number is that its structure of Chinese utility model patent of 02120914.6 mainly comprises ratchet power hand body, this ratchet wrench body is by a shank, end at shank is provided with an appearance body, this appearance body is for a ccontaining engaging body, top at engaging body is provided with one-turn cap, the top of hub cap is provided with a loam cake again, the below of this hub cap and be equipped with a driving lever wherein, the other end of driving lever also extends the clamping block that is sticked in the Rong Tiyi end, the suit place is provided with a card pearl below engaging body in addition, it is characterized in that: the top of screw rod is provided with a tank, be provided with one at the appropriate location of tank and wear groove, be provided with an elastic component in the tank, in addition also be provided with one and wear groove in the centre of hub cap, and fit set the wearing groove and wear the interior elastic component of groove of engage sleeves again, and utilize a napex to be provided with a splenium and the lower end has the bar of groove, penetrate elastic component in regular turn by the top, screw rod, loam cake, hub cap, what elastic component and this engaging body were set wears in the groove, but and make this bar knee-action, wherein the set groove of this bar also can just be placed in the groove this card pearl in course of action.The shortcoming of this structure is that the clamping block of its design has only one; so must be thicker at the ratchet on the clamping block and on body, but usually when using spanner through regular meeting run into spanner up and down or about pull apart from limited, when running into this situation; because ratchet is thicker, spanner is not easy to use very much.If ratchet is made thinner, then, damage fully, thereby cause descend the service life of spanner until ratchet repeatedly using the back ratchet will occur damaging and sliding tooth.Also has the engagement between this clamping block itself and the ratchet, be to regulate its engagement direction by a driving lever, and driving lever is sticked in the clamping block with extension, its shortcoming is to use long driving lever of time one yielding, thereby can cause using dumb, can occur and to use when serious.Therefore its structure awaits further to improve.

Summary of the invention

Technical problem to be solved in the utility model is the box socket set that a kind of reasonable in design, long service life is provided at above-mentioned prior art present situation and can also can uses flexibly in limited space.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: this box socket set, comprise wrench body, embedding clamp dog, turn and pull button and adjustable cap, having on the described wrench body ccontainingly to turn pulls the containing hole of button, and being covered with on the containing hole inwall has ratchet; Described embedding clamp dog which is provided with the ratchet that is meshed with ratchet on the containing hole, and place movably to turn and pull the vestibule of buckling, described adjustable cap is arranged to turn pulls an end of button, it is characterized in that described embedding clamp dog is two, and on this embedding clamp dog movably string be provided with pivot pin, this pivot pin is pulled to buckle and be positioned to turn and is pulled the eccentric position of buckleing to be axially set in turning of vestibule both sides; Its in-plane of described adjustable cap connects a rotating lever, this rotating lever is pulled in the vestibule of button axially to be placed through to turn, and have radially a perforation at rotating lever middle part, spring is set in the perforation, this both ends of the spring contacts mutually with an end of two alignment pins respectively, and the alignment pin other end separately contacts mutually with the ratchet back side of corresponding embedding clamp dog separately respectively, pulls to buckle back to turning of an end at adjustable cap to be provided with and the rotatable device that links to each other of wrench body.

As improvement, above-mentioned turn pull the button its button portion center also can be provided with a through hole, and also have with extraneous to the logical card hole of bead with the through hole vertical direction, in the card hole of bead, be equipped with the card pearl, the intracavity diameter in the described card hole of bead is greater than card pearl diameter, and the diameter of its external seals is less than card pearl diameter, the end of described rotating lever extends in the through hole, and rotating lever and card pearl respective end are taper seat, on rotating lever, go back tandem arrangement one spring, one end of this spring is supported on the platform level face of rotating lever, and the other end is supported on the portable station level wall of through hole.

Its profile of above-mentioned alignment pin can be preferably bullet shaped, and described spring promptly is set in the vestibule of two alignment pin afterbodys.

Above-mentioned adjustable cap and rotating lever can be integrally manufactured, make making more convenient, easier.

As further improvement, its structure of said apparatus can be preferably: pull to buckle back to turning of an end at adjustable cap and be provided with annular groove, be equipped with ring buckle detached type in groove.

Compared with prior art, advantage of the present utility model is because of having adopted two embedding clamp dogs, and these two embedding clamp dogs were meshed with ratchet in the containing cavity with while separately, and ratchet be can be fine to coarse, and the mutual engagement force of ratchet is more even, and engagement torsion is stronger; Adopting thin ratchet is an outstanding advantage of the present utility model because adopt thin ratchet, can make spanner very freely in limited space up and down or left and right sides switching freely, use more convenient.But when adopting thin ratchet and being monolithic embedding clamp dog, the torsion that tends to occur between ratchet produces the ratchet damage and sliding tooth inadequately and easily, because the utility model has adopted two embedding clamp dogs to be meshed with ratchet in the containing cavity with while separately, make engagement torsion compare original to have increased by one times, strengthen the engagement force in the spanner widely, exempted to mend the shortcoming that single head firmly makes thin ratchet engagement torsion deficiency, thereby solved a difficult problem of damaging easily when ratchet is thin effectively, prolonged the service life of spanner effectively; Also have the utility model to regulate the both forward and reverse directions of ratchet engagement by alignment pin, thereby fundamentally eliminated inflexible problem of using, deviate from from the embedding clamp dog ratchet back side in order to prevent alignment pin, the spy is designed to bullet shaped with its profile of alignment pin, described spring is to be set in the vestibule of two alignment pin afterbodys, thereby has guaranteed that spanner normally, use flexibly with making; Also having the utility model adjustable cap and rotating lever is whole manufacturing structure, and what make spanner simplifies the structure, makes more convenient, has also reduced manufacture craft and has also reduced production cost, provides favourable basis for enterprise wins the market to compete.

Description of drawings

Fig. 1 is the broken section knot figure of the utility model embodiment;

Fig. 2 is an I portion enlarged drawing among Fig. 1;

Fig. 3 is the cutaway view of A-A when the ratchet in embedding clamp dog and containing cavity does not mesh among Fig. 2;

Fig. 4 is the cutaway view of A-A when the ratchet engagement in embedding clamp dog and containing cavity among Fig. 2;

Fig. 5 is the outside drawing of the utility model embodiment.

The specific embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

As Fig. 1, Fig. 2, Fig. 3, Fig. 4 and shown in Figure 5, present embodiment comprises wrench body 1, embedding clamp dog 8, turns and pull button 2 and adjustable cap 7.Having on one end of described wrench body 1 ccontainingly to turn pulls button 2 containing hole 11, and being covered with on containing hole 11 inwalls has ratchet 12; Described embedding clamp dog 8 is two, placing movably respectively turns pulls the vestibule of detaining on 2 23, on every embedding clamp dog 2, be equipped with the ratchet 81 that is meshed with ratchet 12 in the containing hole 11, on the embedding clamp dog 8 at the ratchet back side 82, have circular-arc breach (i.e. 82 positions, the ratchet back side among the figure, its face can be designed to the arcuation breach), and on embedding clamp dog 8 movably string be provided with pivot pin 6, this pivot pin 6 is pulled to buckle on 2 and be positioned to turn to pull and is buckled on 2 the eccentric position to be axially set in turning of vestibule 23 both sides.Described adjustable cap 7 is arranged to turn pulls an end of button 2, and these adjustable cap 7 its in-plane connect a rotating lever 3, and this adjustable cap 7 is integrally manufactured with rotating lever 3, and rotating lever 3 is pulled in the vestibule 23 of button 2 axially to be placed through to turn.Have perforation 33 radially at rotating lever 3 middle parts, in the perforation 33 spring 5 is set, these spring 5 two ends respectively with two alignment pins 6 separately tail end contact mutually, and alignment pin 6 other end separately contacts mutually with the circular-arc breach of corresponding embedding clamp dog 8 separately (i.e. 82 positions, the ratchet back side among the figure, its face can be designed to the arcuation breach) respectively.For alignment pin 6 can stably be retained in the perforation 33, its profile is designed to bullet shaped, and spring 5 is for to be set in the vestibule 61 of two alignment pins, 6 afterbodys.Adjustable cap 7 is pulled button 2 back to turning of an end and is provided with and the wrench body 1 rotatable device that links to each other, this installs its structural design: adjustable cap 7 is pulled button 2 back to turning of an end and is provided with annular groove 22, is equipped with ring buckle 24 in groove 22 detached type.Described turn pull the button 2 its button portion 21 centers be provided with a through hole 25, and also have with extraneous to the logical card hole of bead 26 with through hole 25 vertical direction, in the card hole of bead 26, be equipped with card pearl 27, the intracavity diameter in the described card hole of bead 26 is greater than card pearl 27 diameters, and the diameter of its external seals is less than card pearl 27 diameters, thereby will block pearl 27 is placed in the card hole of bead 26 movably, the end of described rotating lever 3 extends in the through hole 25, and rotating lever 3 is taper seat 32 (also can be designed to have nick shaped) with card pearl 26 respective end, on rotating lever 3, go back tandem arrangement one spring 31, one end of this spring 31 is supported on the platform level face 34 of rotating lever 3, and the other end is supported on the portable station level wall 28 of through hole 25.

Claims

1, a kind of box socket set, comprise wrench body (1), embedding clamp dog (8), turn and pull button (2) and adjustable cap (7), the containing hole (11) that having on the described wrench body (1) ccontainingly to turn pulls button (2), being covered with on containing hole (11) inwall has ratchet (12); Described embedding clamp dog (8) which is provided with containing hole (11) and goes up the ratchet (81) that ratchet (12) is meshed, and place movably to turn and pull vestibule (23) on the button (2), described adjustable cap (7) is arranged to turn pulls an end of button (2), it is characterized in that described embedding clamp dog (8) is two, and on this embedding clamp dog (8) movably string be provided with pivot pin (4), this pivot pin (4) is pulled buckle on (2) and be positioned to turn and is pulled the eccentric position of buckleing (2) to be axially set in turning of vestibule (23) both sides; Its in-plane of described adjustable cap (7) connects a rotating lever (3), this rotating lever (3) is axially to be placed through in the vestibule (23) of pulling button (2) of turning, and have radially a perforation (33) at rotating lever (3) middle part, in the perforation (33) spring (5) is set, this spring (5) two ends contact mutually with an end of two alignment pins (6) respectively, and alignment pin (6) other end separately contacts mutually with the ratchet back side (82) of corresponding embedding clamp dog (2) separately respectively, and adjustable cap (7) pulls back to turning of an end that button (2) is provided with and the rotatable device that links to each other of wrench body (1).

2, box socket set according to claim 1, it is characterized in that described turning pull its button portion (21) center of button (2) and be provided with a through hole (25), and also have with extraneous to the logical card hole of bead (26) with through hole (25) vertical direction, in the card hole of bead (26), be equipped with card pearl (27), the intracavity diameter in the described card hole of bead (26) is greater than card pearl (27) diameter, and the diameter of its external seals is less than card pearl (27) diameter, the end of described rotating lever (3) extends in the through hole (25), and rotating lever (3) is taper seat (32) with card pearl (27) respective end, on rotating lever (3), go back tandem arrangement one spring (31), one end of this spring (31) is supported on the platform level face (28) of rotating lever (3), and the other end is supported on the portable station level wall (34) of through hole (25).

3, box socket set according to claim 1 and 2 is characterized in that its profile of described alignment pin (6) is a bullet shaped, and described spring (5) promptly is set in the vestibule (61) of two alignment pins (6) afterbody.

4, box socket set according to claim 3 is characterized in that described adjustable cap (7) and rotating lever (3) are integrally manufactured.

5, box socket set according to claim 1 and 2, it is characterized in that its structure of described device is: adjustable cap (7) is pulled button (2) back to turning of an end and is provided with annular groove (22), is equipped with ring buckle (24) in groove (22) detached type.

6, box socket set according to claim 3, it is characterized in that its structure of described device is: adjustable cap (7) is pulled button (2) back to turning of an end and is provided with annular groove (22), is equipped with ring buckle (24) in groove (22) detached type.