CN2271147Y - Spanner socket - Google Patents

Abstract

The utility model relates to a spanner socket, which carries out improvements aimed at the defects of the previous spanner socket that the height is relatively high, the use space is limited, etc. The spanner socket is characterized in that two intermeshed gears which are provided with quadrangular holes and ratchet-shaped trepan borings are sheathed between an upper fixing sheet and a lower fixing sheet; secondly, an idle wheel can be additionally arranged between the two intermeshed gears; or the two gears are meshed mutually in the shape of an arc-shaped tooth form; the upper fixing sheet and the lower fixing sheet are in complementary type shrinking, which are provided with arc-shaped chutes correspondingly and are positioned and buckled via a convex column; the height of the socket can be shortened and the range of application of the space can be enlarged by the design, and the spanner socket has a more labor saving and more convenient use effect.

Description

Wrench socket

Employed instrument when the utility model relates to assembling processing or repaiies dimension refers to a kind of spanner, particularly the wrench socket of spanner especially.

Employed on the market at present wrench socket generally is a whole set of combination, mainly is made up of the vary in size sleeve of specification of a spanner collocation; Allow the user when needing the sleeve of different size, can change use at once, be convenient for carrying and the convenient purpose of using to reach.As shown in Figure 1, be the tube-in-tube structure of generally using at present, this sleeve 10, mainly be provided with a square hole 11 in the upper end, insert admittedly for the spanner cylinder, the lower end is provided with the hexagonal shape opening 12 that Open Side Down again and connects mutually, and makes the opening 12 of each sleeve have different specifications; Make it to reach the purpose that can be used with spanner.But, it is to link for same axle center with opening 12 that this sleeve 10 is inserted solid cubic type hole 11 for spanner 13, has certain altitude, cause in space that desire is used when narrower, this jacket casing 10 at all can't ccontaining (as shown in Figure 2), must be again by being flat-shaped fixed spanner, can ccontainingly use, not only form the restriction that is subject to the space in the use, the scope of application is narrower, and has increased the operating time virtually.

Therefore, how to enlarge the usage space scope of telescopic spanner,, also can insert use, make the consumer can obtain to have more the result of use of convenience, be the problem points that the utility model institute desire solves even in order in than narrow space.

So main purpose of the present utility model is that a kind of wrench socket of shorter formula is being provided, in order in less space, this sleeve also can use by ccontaining cooperation spanner, to enlarge the scope of application, allows the consumer can reach the result of use that has more convenience.

A time purpose of the present utility model provides a kind of wrench socket, makes when in desire operation workpiece both sides barrier being arranged, and can increase the spanner revolution space, and obtain more convenient, labour-saving operating effect.

Another purpose of the present utility model is that a kind of wrench socket is being provided, and it can suitably improve the spanner height, allows the user can obtain more convenient, labour-saving operating effect.

A purpose more of the present utility model is to provide a kind of single sleeve two ends to have the not wrench socket of specification trepanning, as long as make the user turn to noose, can reach the purpose of replacing.

In order to achieve the above object, the technical solution of the utility model is: wrench socket mainly is to adopt two gears, and these central authorities are through with square hole and ratchet-like trepanning two gears are to be the shape that is meshing with each other, and also utilize the two stators lid knot that is provided with open-work between the upper and lower, are located by the rivet rivet clasp again; Perhaps can also between this two mutual meshed gears, add an idle pulley, can make desire operation workpiece and spanner obtain rotation in the same way, not have and turn to the purpose of obscuring to reach the operator; This two tooth-formation of gear can also be designed to be the arcuation profile of tooth shape that is meshing with each other, its up and down two stators can form a complementary shape noose, and be provided with arcuation chute and projection snaps into position relatively, can make appropriateness in order to the spanner height that is solidly plugged in gear and improve; Perhaps can also further mesh central authorities again and provide and the different apertures of opposite side gear ratchet-like trepanning gear, and make single sleeve two ends respectively have the different size trepanning in opposite side with square hole gear; Make when desire changes use,, can reach and change the purpose of using as long as it is turned to noose.

The wrench socket that the utility model mat two mutual meshed gears are formed, can reduce the height of sleeve really effectively, make it contour with general back-up wrench, in desire operation workpiece space when comparatively narrow and small, this sleeve still can be inserted operation, thereby improved the scope of application greatly, and can obtain more labour-saving operating effect; And in another technical scheme of the present utility model two tooth-formation of gear are designed to the arcuation profile of tooth, it can be the arcuation engagement by two gears, insert solid gear at spanner, can slide according to chute by projection, and make spanner upwards slightly mention upward displacement, and the height of raising spanner can obtain to have more the labour-saving operating effect to reach in operation; Design of gears of establishing tool different size trepanning on sleeve of the present utility model can make single sleeve have the different size trepanning simultaneously, as long as it is turned to noose, can reach the purpose that is convenient for changing the use of different size trepanning in order to the user.

Below in conjunction with drawings and the specific embodiments, purpose and effect to the utility model can be reached are described in further detail.

Fig. 1: the stereogram that is existing sleeve.

Fig. 2: be existing sleeve can't be inserted use in less space schematic diagram.

Fig. 3: be three-dimensional exploded view of the present utility model.

Fig. 4: be three-dimensional combination figure of the present utility model.

Fig. 5: be the utility model also can be inserted use in less space schematic diagram.

Fig. 6: be the schematic diagram that the utility model can increase the spanner revolution space.

Fig. 7: be the utility model adds an idle pulley between two gears schematic diagram.

Fig. 8: the three-dimensional exploded view that is another embodiment of the utility model.

Fig. 9: the three-dimensional combination figure that is another embodiment of the utility model.

Figure 10: be that another embodiment of the utility model can the appropriate schematic diagram that improves the spanner height.

Figure 11: be the embodiment stereogram that the utlity model has two kinds of size trepannings.

As shown in Figure 3, Figure 4, the stereochemical structure exploded view and the constitutional diagram of the utility model " wrench socket "; This sleeve 20, mainly be to be provided with tooth-profile of gear 21,22 relatively by two stage casings to be the shape that is meshing with each other (its gear height is general and back-up wrench is contour), and be penetrated with a square hole 23 in arbitrary gear central authorities, another gear then is penetrated with and is ratchet-like trepanning 24 (the ratchet trepanning of each sleeve is a different size), two stators 25, generally be a chain sheet, and be provided with two open-works 26 relatively in two mutual meshed gears, 21,22 axle center, central approximately appropriate location is provided with two locating holes 27 again, can be for rivet 28 rivetings knot location.

Learn by above-mentioned member, when reality is used, be to utilize gear 22 nooses that are provided with ratchet-like trepanning 24 to desire on workpiece (hex bolts) A of implementation and operation, the gear 21 that is provided with square hole 23 is in addition then inserted solid for spanner 60, can be when spanner 60 be pulled in operation, driven gear 21 rotates thereupon, and is the shape that is meshing with each other because of gear 21,22, gear 22 also can be rotated simultaneously, to reach the purpose that can drive workpiece A rotation synchronously.

Again, be that shape in parallel links because of this provides spanner 60 ccontaining square holes 23 with ratchet trepanning 24 both axle center, make entire sleeve 20 can be one than flat, effectively reduce the height of its sleeve; Even operation workpiece A is in than small space the time, sleeve 20 of the present utility model also can be inserted and be cooperated spanner 60 to pull (as shown in Figure 5), and improves the scope of application, has real practicality and is convenient to use effect to reach.And can be higher with having the sleeve height now, the scope of application is narrower, must change by back-up wrench again, causes the comparatively shortcoming of inconvenience eliminating in the use.

As shown in Figure 6, when there is obstacle desire operation workpiece A both sides, cause the wrench operated space narrower, as generally being During the shape space, because of sleeve 20 of the present utility model generally is a catemer, make be provided with ratchet-like trepanning 24 gear 22 again noose behind workpiece A, its gear 21 of inserting solid square hole 23 for spanner 60 is to go in the outside, and rotating fulcrum outwards is shifted, thereby increase the revolution space of spanner 60 relatively, and reach than the more convenient labour-saving of existing person operating effect.

Moreover, for make the user without spin direction obscure, can be in 31,32 ccontaining again idle pulleys 33 of former two mutual meshed gears, be operation in the same way, meet ergonomics operating principle (as shown in Figure 7) and make workpiece rotation direction and spanner pull direction to reach.

Shown in Fig. 8,9, the profile of tooth in these two gears, 41,42 stage casings can be the arcuation profile of tooth shape that is meshing with each other, and two gears are between the upper and lower more respectively by 51,52,53, the 54 lid knots of stator about in the of two, utilize rivet 55 fixed again, and stator 51,53 on two, and twice 52,54 of stators are the complementary shape of  shape and link, its on two stator 51,53 respectively be extended with flange 56,57 in complementary shape noose section both sides, and be provided with arc chute 58 relatively and projection 59 embeds the location; Therefore, can be the arcuation engagement by two gears, insert solid gear at spanner, can slide according to chute because of projection, slightly mention and make spanner make progress, and the height of raising spanner can obtain more labour-saving operating effect (as shown in figure 10) to reach in operation.

As shown in figure 11, the utility model sleeve 70 can increase engagement one gear 73 again in the opposite side of the gear with square hole 72 71 that is engaged with gear 74, and gear 73 is different apertures with the ratchet-like trepanning 75,76 that gear 74 central authorities provide, between the upper and lower again with two stators 80 that are provided with three open-works 81 relatively fixed after, be integral by the rivet rivet clasp again; The gear that can also have square hole is that the center is cross-shaped engagement, and to make the trepanning of each gear be different apertures; Make single sleeve have the trepanning of different size simultaneously, as long as it is turned to noose, can reach the purpose that is convenient for changing the use of different size trepanning in order to the user.

In sum, wrench socket structure of the present utility model, really can effectively reduce its height, and it is contour with general back-up wrench approximately, when making desire operation workpiece space comparatively narrow and small, the utility model also can be inserted operation, has improved its scope of application, and can obtain more labour-saving operating effect, these all be existing wrench socket can't realize; The utility model is the new design of a tool progressive and practicality in fact, so propose utility application in accordance with the law.

Claims (4)

1, a kind of wrench socket, it is characterized in that: this sleeve is provided with the gear that tooth-profile of gear is the shape that is meshing with each other relatively by two stage casings and forms, and be penetrated with one in arbitrary gear central authorities and can insert solid square hole for spanner, another gear then is penetrated with the trepanning that is ratchet-like, two stators, be to be a chain sheet, and be provided with two open-works that its centre is provided with two again can be for the locating hole of rivet riveting knot location with respect to the axle center of two mutual meshed gears.

2, wrench socket according to claim 1 is characterized in that: add one again between two mutual meshed gears desire operation workpiece and spanner are rotated in the same way, do not have the idle pulley that turns to the purpose of obscuring to reach the operator.

3, wrench socket according to claim 1, it is characterized in that: the profile of tooth in these intermeshing two gear stage casings is the arcuation profile of tooth shape that is meshing with each other, and two gears are the separately lid of the stator up and down knot of shape by two pairs respectively between the upper and lower again, utilize rivet fixed again; It is to be the complementary shape noose of  shape between stator and twice stators on two, and stator respectively is extended with flange in complementary shape noose section both sides on two, and relatively is respectively equipped with arc chute and projection embeds the location.

4, wrench socket according to claim 1; It is characterized in that: in two mutual meshed gears, its opposite side with gear of square hole increases engagement one gear again, and the trepanning of this increase meshed gears is different apertures with the ratchet-like trepanning that opposite side gear central authorities provide, between the upper and lower again with two stators that are provided with three open-works relatively fixed after, be integral by the rivet rivet clasp again; The gear that can also have square hole is that the center is cross-shaped engagement, and to make the trepanning of each gear be different apertures.

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