CN2298908Y - Strong ratchet change-over article structure - Google Patents

Abstract

The utility model relates to a strong ratchet adaptor structure. Mainly, a base body forms an elliptical containing groove for supporting a sheathing block, wherein, the base part of the sheathing block forms a rolling shaft wheel and keeps interstice with the peripheral wall of the containing groove. Two sets of positioning pieces are arranged in the interstice, wherein, each set of positioning pieces sustains the contact relation state of two positioning pieces with the wall of the containing groove by springs, while a sealing cover can be used for sealing the containing groove of the base body. The inner edge of the sealing cover is provided with two teasing posts in extension, and the teasing posts are just positioned between the interfaces of the two sets of positioning pieces to obtain the one-way operation of a ratchet. The sealing cover can be rotated to do reversing operation. The utility model is matched with the back end of the base body to form an engagement part, so the strong ratchet adaptor structure can be specially matched with other tools.

Description

Strong formula ratchet adaptor structure

The utility model relates to the annex that lock unloads instrument, refers to a kind of ratchet switching accessory especially.

Lock for hexagonal (hexagon)nut or bolt unloads operation, general system carries out it with instruments such as open-end wrench, monkey wrench or box spanners, utilize its clamp structure that nut is formed and stablize the multiaspect clamping, cooperate microscler lever as the switching application of force again, the lock of finishing nut (bolt) according to this unloads operation.

But, no matter which kind of pattern these instruments belong to, its lock unloads on the application of force of operation, be to need with the rotation change of nut (bolt) and instrument relational angle constantly clamping and conversion gesture again, cause it to implement to go up quite inconvenience and trouble, be and be " ratchet tool " that has the dealer to develop to utilize ratchet structure control operation direction, according to this when the lock that carries out nut (bolt) unloads operation, mat its can unidirectional rotating characteristic, after making it rotate suitable angle, can dally circles round again replys former application of force angle, needs conversion gesture constantly and clamping again so that its lock unloads operation again, and then obtains comparatively easily lock and unload operation and implement.

Yet, for some instrument, because of being subject to its structure space kenel, and can't in its structure, remake the ratchet control device, cause this type of instrument to be difficult to obtain the convenience of ratchet operation, await in fact solving improving.

In addition, because of the service life of instrument very long, for the instrument of before " ratchet tool " do not come out, having purchased,, carry on as before to belong to and bear articles for use though there is not the convenience that ratchet-type is controlled, change if give it up and purchase ratchet tool, then as if be not inconsistent principle of economic benefit.

Thereby, if can make the ratchet adaptor of a collocation property, then should solve the problem of its operation ease, and can meet principle of economic benefit at this type of instrument that does not have ratchet structure, make its practical value can obtain significantly to promote.

The purpose of this utility model provides a kind of strong formula ratchet adaptor structure, and it is coupled to the instrument of multiple no ratchet structure, can make it to have the advantages that the ratchet-type lock unloads operation.

To achieve these goals, the utility model ratchet adaptor, comprise a matrix, the one side forms a convergence part, its architectural feature is, the side in addition of this matrix forms an oval storage tank, hold in it and be provided with a socket piece, this socket piece base portion forms a rolling arbor wheel, it and storage tank perisporium are possessed a gap, inserted one group of keeper in these two ends, gap respectively than the large space place, wherein each each two spacer of keeping its two ends with a spring of group keeper is the state of contacting with tank cell wall and rolling arbor wheel perisporium, in addition, this matrix storage tank is formed sealing and make outside the cover portion that inserts of this socket piece is stretched on a capping, be provided with two reversed columns in this capping inner edge, it just is between these two groups of keeper interfaces, be mutually a pair of spacer at diagonal angle with two groups of keepers that utilize dialling of capping to change its pushing and pressing of control, thereby compress this spring and make it to break away from this storage tank cell wall, in addition, this capping inner edge also is provided with three locating holes, and its cooperation is embedded in the steel ball spring of matrix one end face to locate the operational configurations that its lock unloads.

Now for promoting understanding, sincerely cooperate graphic further specifying in the back to structure composition of the present utility model and know-why:

Fig. 1 is the STRUCTURE DECOMPOSITION schematic diagram of the utility model ratchet adaptor.

Fig. 2 is the textural association schematic diagram of the utility model ratchet adaptor.

Fig. 3 is the structural relation schematic diagram of the utility model ratchet adaptor under normal operating state.

Fig. 4 is the structural relation schematic diagram of the utility model ratchet adaptor under clockwise mode of operation.

Fig. 5 is the structural relation schematic diagram of the utility model ratchet adaptor under counterclockwise mode of operation.

Fig. 6 is the textural association schematic diagram of the utility model ratchet adaptor.

Fig. 7 commonly uses to press from both sides the formula spanner stereogram of pulling.

Fig. 8 commonly uses the pivotable wrench stereogram.

Fig. 9 commonly uses telescopic spanner stereogram.

At first, see also Fig. 1, structure shown in 2, ratchet adaptor of the present utility model is on structural design, mainly be to form an oval storage tank 11 in a matrix 10 1 sides, the other end then extends to form the convergence part 12 of suitable shape, can supply a socket piece 20 hold with this ellipse storage tank 11 establishes, these socket piece 20 base portions are formation one rolling arbor wheel 21 and make it to possess appropriate gap with storage tank 11 perisporiums, can insert one group of keeper 30 in these two ends, gap respectively than the large space place, 40, its each group keeper 30,40 respectively with spring 31,41 keep its two ends two spacers 32,33,42,43 with the contact relation state of storage tank 11 cell walls and rolling arbor wheel 21 perisporiums, but and these springs 31 of mat, 41 provide spacer 32,33,42,43 the activity that compresses nargin, and spacer 32,33,42, edge is can roll over pattern path to increase and the friction locating effect of 21 of arbor wheels within 43, in addition being embedded in matrix 10 storage tanks 11 1 sides with a capping 50 covers can form sealing and only insert outside portion 22 is stretched on for the cover of socket piece 20 storage tank 11, and extended two reversed columns 51 in addition in these capping 50 inner edges, 52 also just are in this two groups of keepers 30, between 40 interface, use and to utilize dialling of this capping 50 to change its reversed column 51 of control, two groups of keepers 30 of 52 pushing and pressing, 40 are mutually one of diagonal angle spacer 32,42 or spacer 33,43, with its spring 31 of compression, 41 and break away from this storage tank 11 cell walls, can obtain the unidirectional characteristic of controlling of similar ratchet according to this, and switch operation is carried out in rotatable capping 50, and utilize capping 50 inner edges three locating holes 53,54,55 steel ball springs 14 that cooperate matrix 10 appropriate locations to bury underground can be located its operational configurations (this structure is can do equivalence to exchange), the basic framework of forming the utility model ratchet adaptor by this, and cooperating the kenel design of different instruments with its convergence part, matrix 10 rear end 12, the spy can provide the ratchet-type operation ease of general no ratchet-type instrument collocation cover group.

Secondly please further cooperate and consult shown in Fig. 3～5, go on to say operating principle of the present utility model, when this capping 50 is located with steel ball spring 14 formation of matrix 10 with locating hole in the middle of it 54, two reversed columns 51 of capping 50,52 is to be in two groups of keepers 30,40 interface middle position, be subjected to spring 31 this moment, 41 hold and make its two ends spacer 32,33,42,43 each conflict respectively matrix 10 storage tanks, 11 cell walls and rolling arbor wheel 21 peripheries, make socket piece 20 and matrix 10 be the fixed relationship state, can implement general two-way lock according to this and unload operation (as shown in Figure 3); And when this capping 50 is located with steel ball spring 14 formation of matrix 10 with its left positioner hole 53, being about to capping 50 changes toward counterclockwise dialling, capping this moment 50 2 reversed columns 51,52 relatively dial and move and to two groups of keepers 30,40 lean on forward two diagonal orientation sheets 32 of side, 42 form pushing and pressing, make two spacers 32,42 toward displacement disengaging of storage tank 11 broad places and compression spring 31,41, cause two groups of keepers 30,40 only depend on two diagonal orientation sheets 33 of reverse side, 43 still keep forming the conflict state with storage tank 11 cell walls and rolling arbor wheel 21 peripheries simultaneously, and with respect to the instrument that is sheathed on matrix 10 rear ends under user's operation, when its operated tool when the clockwise direction switching, be mat two reverse spacers 33,43 keep the interlock state of matrix 10 and socket piece 20, thereby can carry out clockwise lock and establish operation (as shown in Figure 4), and when operated tool is rotated counterclockwise, then this matrix 10 will force this two reverse spacer 33,43 push back the compression spring, form beat type idle running according to this and unlikely interlock socket piece 20; In addition when this capping 50 is located with steel ball spring 14 formation of matrix 10 with its right positioner hole 45, be about to capping 50 and dial commentaries on classics toward clockwise direction, capping this moment 50 2 reversed columns 51,52 relatively dial and move and to two groups of keepers 30,40 two diagonal orientation sheets 33 by reverse side, 43 form pushing and pressing, make two spacers 33,43 toward displacement disengaging of storage tank 11 broad places and compression spring 31,41, cause two groups of keepers 30,40 only depend on forward two diagonal orientation sheets 32 of side, 42 still keep forming the conflict state with storage tank 11 cell walls and rolling arbor wheel 21 peripheries simultaneously, and with respect to the instrument that is sheathed on matrix 10 rear ends under user's operation, when the switching of the past counter clockwise direction of its operated tool, be mat two cis-orientation sheets 32,42 keep the interlock state of matrix 10 and socket piece 20, thereby can carry out counterclockwise pine and unload operation (as shown in Figure 5), and when operated tool turns clockwise, then this matrix 10 will force this two cis-orientations sheet 32,42 push back the compression spring, form beat type idle running according to this and unlikely interlock socket piece 20; In view of the above, through above-mentioned action specification, can know that the utility model utilizes the oval kenel design of these matrix 10 storage tanks 11 to cooperate 50 groups of cappings to change the pushing and pressing that drive its reversed column 51,52, the spy can reach ratchet-type and control kenel and tool commutation function, add the adaptor design of its independent individual, and then the collocation group that can be suitable for multiple instrument is stood.

And arrange in pairs or groups in the enforcement of different instruments with the utility model adaptor, please consult shown in Fig. 6-9 again, mainly be to utilize the 12 engagement tool clamping kenels design of convergence part, matrix 10 rear end to reach, at the formula spanner 60 of pulling at general folder, monkey wrench 70, the enforcement of open-end wrench or blossom type spanner, the utility model is the convergence part 12 of matrix 10 to be done the design of hexagonal bar section or blossom type, use and directly to be integral the interlock state with these instrument cartridge clip convergence part 12 outer rims, the ratchet-type manipulation function is provided, and using at general box spanner collocation, then can be arranged with a socket joint hole 13 in 12 rear ends, matrix 10 convergence parts, the bell and spigot joint 81 of these socket joint hole 13 suitable for socket wrench 80 of mat is inserted in inserts the interlock that strikes up partnership, to give the convenience that ratchet is controlled; Therefore, convergence part 12 designs by this matrix 10, the various no ratchet structure instruments that make it to arrange in pairs or groups are made cover and are inserted combination, use under the existing structure of the instrument that do not change, the spy can directly sheathedly provide strong ratchet operation, or take off answer instrument normal function fast, reach practicality very easily, and can obtain to make full use of the economy of existing instrument.

In sum, the utility model is formed via structure Design, special can be at the operation of the instrument of no ratchet structure, the convenience that utilizes substitute mode to provide ratchet-type to control, make it carry out the conversion hand formula of or else to break when every lock unloads operation, reach the excellent operating characteristics of ratchet merit tool according to this, and can make full use of existing instrument, save the cost expenditure of purchasing ratchet tool separately, thereby can meet principle of economic benefit, generally speaking, design of the present utility model truly has its industrial utilization and practicality.

Claims (6)

1, a kind of strong formula ratchet adaptor structure, comprise a matrix (10), the one side forms a convergence part (12), it is characterized in that, the side in addition of this matrix (10) forms an oval storage tank (11), hold in it and be provided with a socket piece (20), this socket piece (20) base portion forms a rolling arbor wheel (21), it and storage tank (11) perisporium are possessed a gap, inserted one group of keeper (30 in these two ends, gap respectively than the large space place, 40), wherein each organizes keeper (30,40) each is with a spring (31,41) keep two spacers (32 at its two ends, 33,42,43) be the state of contacting with tank (11) cell wall and rolling arbor wheel (21) perisporium, in addition, this matrix storage tank (11) is formed sealing and the cover of this socket piece (20) is inserted outside portion (22) is stretched on a capping (50), be provided with two reversed columns (51 in this capping (50) inner edge, 52), it just is in this two groups of keepers (30,40) between the interface, to utilize the two groups of keepers (30 that change its pushing and pressing of control of dialling of capping (50), 40) be mutually a pair of spacer (32 at diagonal angle, 42,33,43), thereby compress this spring (31,41) make it to break away from this storage tank (11) cell wall, in addition, this capping (50) inner edge also is provided with three locating holes (53,54,55), its cooperation is embedded in the steel ball spring (14) of matrix (10) one end faces to locate the operational configurations that its lock unloads.

2, strong formula ratchet adaptor structure as claimed in claim 1 is characterized in that the convergence part of this matrix (12) are hexagonal bar section shape, presss from both sides pull formula or pivotable wrench to connect one.

3, strong formula ratchet adaptor structure as claimed in claim 1 is characterized in that this convergence part (12) are blossom type bar section shape, to connect double offset ring spanner cover group.

4, strong formula ratchet adaptor structure as claimed in claim 1 is characterized in that rear end, this convergence part (12) is provided with a socket joint hole (13), and is sheathed for box spanner.

5, strong formula ratchet adaptor structure as claimed in claim 1 is characterized in that, the spacer of these two groups of keepers (32,33,42,43) inner edge is formed with the rolling pattern path.

6, strong formula ratchet adaptor structure as claimed in claim 1 is characterized in that, the locating hole of this capping (50) (53,54,55) can be done equivalence with the steel ball spring (14) of matrix (10) and exchange.