CN2705269Y

CN2705269Y - Ratchet spanner shift structure

Info

Publication number: CN2705269Y
Application number: CN 200420045874
Authority: CN
Inventors: 陈世坤
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-05-15
Filing date: 2004-05-15
Publication date: 2005-06-22
Anticipated expiration: 2014-05-15

Abstract

The utility model discloses a kind of being easy to makes, and the ratchet spanner DIP structure that steadiness is good, this DIP structure is to form the tool heads tank in the head of handle bar respectively, sour jujube piece tank and shifting block tank, and tool heads is set respectively, sour jujube piece and shifting block, control the rotation direction of sour jujube piece restriction tool heads to utilize shifting block, wherein, shifting block has a column and a plectrum, and head shifting block tank bottom surface is provided with a perforation, and column and plectrum joint have a cylindrical shell of wearing pivot, in addition, the column top has protruded out a location key in addition, this location key can be hubbed on the corresponding banking stop, utilize the utility model, can promote the stability that shifting block rotates, can simplify the manufacturing process of shifting block simultaneously.

Description

Ratchet spanner DIP structure

[technical field]

The utility model relates to a kind of DIP structure of ratchet spanner, refers to especially a kind ofly be easy to make and the DIP structure of the ratchet spanner that steadiness is good.

[background technology]

Ratchet spanner is the hand-operated tools of the rapid packing of a kind of user of allowing or release bolt or nut, its use is very extensive, it mainly has the handle bar of head by one and the tool heads of a periphery tool ratchet is formed, wherein head central authorities have for the tool heads tank that installs tool heads, and tool heads is to utilize a clasp to be limited in the instrument tank, head forms sour jujube piece tank and the shifting block tank that is communicated with the tool heads tank in succession between the handle bar, in order to be installed with sour jujube piece and shifting block respectively, wherein sour jujube piece one side forms the ratchet of corresponding tool heads, side then forms the location arc edge of corresponding shifting block in addition, moreover shifting block is provided with the appearance hole of a corresponding location arc edge, Rong Kongke is subjected to the elastic parts effect for ccontaining elastic parts and one and shores the top tip of sour jujube piece location arc edge, when the user stirs shifting block, can see through the direction that top tip start sour jujube piece changes the clip tool heads.

Though above-mentioned existing ratchet spanner can reach general effect; but it is to be solved that it exists some problems to have on practice; because its shifting block generally only can be penetrated by head one side; and only can do single-ended spacing; therefore when plate moved shifting block, regular meeting was because of rocking jiggly situation that generates, and the time one also can cause the elastic parts and the top tip of replacing the sour jujube piece that tired phenomenon takes place for a long time; so in the process of stirring, can generate action and have some setbacks and locate untrue problem.

And in order to address these problems; industry has multiple different design; such as No. the 89208905th, tw Taiwan Wise property office patent application " the combined type reversing ratchet wrench structural improvement of high torsion "; apply for No. 89212822 " direction is dialed the positioner of turning round " and apply for No. 89219526 " the reversible spanner of modified form ratchet " etc.; even in order further to guarantee not stopper power of elastic parts; reduce its holding capacity; someone develops a kind of novel patent case as TaiWan, China Wise property office patent application No. 9022430 " ratchet spanner structural improvement "; this patent case mainly is that the side at the corresponding sour jujube piece of steering block (shifting block) has protruded out a projection; after stirring steering block, can utilize projection to bear the strength of partly replacing the sour jujube piece; to alleviate the load of elastic parts; though this case is utilized the design that increases projection on the steering block; and utilize this projection to disperse the bearing capacity of elastic parts; but it is identical with case before the aforementioned patent; except the stable deficiency of shifting block; and shifting block all is one-body molded; it is irregular that its shape is again; no matter therefore design; die sinking or manufacturing all are not easy; and defective products is also high, so its manufacturing and maintenance cost are very high.

[utility model content]

In order to overcome the deficiency of existing ratchet spanner stability and the high aspect of manufacturing cost, the utility model provides the ratchet spanner DIP structure that a kind of stability is high and be easy to make.

The technical scheme that the utility model adopted is: the shifting block tank bottom center of this ratchet spanner head is provided with a perforation, and head is provided with a recessed edge of class that is communicated with each tank at apical margin, can be embedded a banking stop; Shifting block then is made up of a column and a plectrum, and the column end face has protruded out a columned location key, and the lateral margin of the corresponding sour jujube piece of column is provided with one and holds the hole, hold in the hole and be provided with an elastic parts, this elastic parts is shored has a confession to replace the push piece of sour jujube piece, and plectrum is the bottom surface that is hubbed at column by the head opposite side, and plectrum and column fixing position can be hubbed at the perforation of head; Aforementioned banking stop then is provided with a tab portion that can cover shifting block, and the position of the corresponding shifting block foot of tab portion position key is provided with a locating hole, and the two ends of shifting block can be hubbed at respectively on head and the banking stop.

The beneficial effects of the utility model are that in the DIP structure of this ratchet spanner, what the two ends of shifting block can be stable is pivoted, so shifting block rocks arbitrarily stirring Shi Buhui, and can promote the stability that shifting block rotates, in addition, can simplify the manufacturing process of shifting block, effectively promote its economic benefit.

[description of drawings]

Fig. 1 is a three-dimensional exploded view of the present utility model;

Fig. 2 is the local schematic appearance of forming of the utility model ratchet spanner;

Fig. 3 is the schematic appearance after the utility model is formed;

Fig. 4 is a generalized section of the present utility model, and it shows inside aspect and relativeness thereof after the utility model is formed.

[specific embodiment]

The utility model provides a kind of stability high, and the ratchet spanner DIP structure that is easy to make, as Fig. 1, shown in Figure 2, this ratchet spanner mainly is to be provided with a bigger head 11 in handle bar 10 ends, wherein head 11 is provided with a tool heads tank 12, and head 11 is provided with the sour jujube piece tank 13 of a connectivitv tool tank 12 in adjacent hub bar 10 1 sides, in addition, head 11 is provided with a shifting block tank 14 that is communicated with sour jujube piece tank 13, and the tool heads tank 12 of head 11, can be installed with tool heads 20 respectively in sour jujube piece tank 13 and the shifting block tank 14, the shifting block 30 of sour jujube piece 25 and DIP structure is with idle running and the spacing direction of utilizing shifting block 30 operation sour jujube pieces 25 to come control tool head 20.

And about the feature of structure of the present utility model, please with further reference to Fig. 3, shown in Figure 4, shifting block tank 14 bottom center of head 11 are provided with a perforation 15, and head 11 is provided with the recessed edge 16 of class of a connection shifting block tank 14 at apical margin, cover sheet 45 for what be embedded a banking stop 40 and a dustproof usefulness, in addition, tool heads 20 can be telescopic or polygonal rod-type, and tool heads 20 outer rims also are provided with serial ratchet 21, and but tool heads 20 central authorities form the polygonal groove 22 of inlay card bolt head or nut, other is located at the ratchet 26 that the sour jujube piece 25 in the sour jujube piece tank 13 has corresponding tool heads 20, and the lateral margin of these sour jujube piece 25 corresponding shifting blocks 30 then forms the location arc edge 27 of the corresponding curve of tool.

Formed by a column 31 and a plectrum 37 as for 30 of the shifting blocks of DIP structure, its central post 31 bottoms have protruded out a polygonal projection 32, and column 31 end faces have protruded out a columned location key 33, in addition, the lateral margin of column 31 corresponding sour jujube pieces 25 is provided with one and holds hole 34, hold in the hole 34 being provided with an abutting structure, this abutting structure includes an elastic parts 35 and a push piece 36;

Wherein, this elastic parts 35 is can shore to push away the push piece 36 that an end and sour jujube piece 25 location arc edge 27 lean, and then promote and restriction sour jujube piece 25, plectrum 37 then is provided with the cylindrical barrel 38 of a corresponding column 31, and plectrum 37 forms the antelabium 370 that can be resisted against head 11 bottom surfaces in cylindrical shell 38 peripheries, the stability of rotating with the smooth lifting shifting block 30 that sees through plectrum 37, moreover cylindrical shell 38 can be hubbed in the perforation 15 of head 11, and cylindrical shell 38 has a polygonal projection 32 for column 31 and inserts solid polygonal jack 380, allows plectrum 37 and column 31 form complete shifting block 30.

Aforementioned banking stop 40 then is provided with a tab portion 41 that can cover shifting block 30, and the position of tab portion 41 corresponding shifting block 30 location keys 33 is provided with a locating hole 42, the two ends of shifting block 30 can be hubbed on respectively on head 11 and the banking stop 40, banking stop 40 is provided with perforation 43 at tab portion 41 peripheral sides simultaneously, cover sheet 45 and then be provided in a side of recessed edge 16 of class or banking stop 40 tops, and cover the tab portion 46 that sheet 45 1 sides have a correspondence, be used to prevent dust, cover the perforation 47 that also is provided with correspondence on the sheet 45 simultaneously, be locked on the head 11 with banking stop 40 to utilize locking bolt 48 will cover sheet 45; Like this, constitute a ratchet spanner DIP structure of stirring smooth and easy and long service life.

See through above-mentioned structural design, during practice of the present utility model, then as shown in Figure 4, when the user is selected stir direction after, the user stirs the plectrum 37 of shifting block 30, utilize push piece 36 to go to control the direction of sour jujube piece 25 to utilize plectrum 37 to drive column 31, and since wherein plectrum 37 can utilize antelabium 370 to be flattened on head 11 bottom surfaces, shifting block 30 utilizes cylindrical shell 38 and location key 33 to be hubbed on head 11 and the banking stop 40 simultaneously, therefore the action of shifting block 30 is very steady, the load that so can guarantee elastic parts 35 and push piece 36 effectively disperses, and the difficult problem that generates tired distortion, so its control action is very smooth and easy, accuracy is good, so can effectively prolong its service life; In addition, because shifting block 30 is fabricated structure, it can separate making with column 31 and plectrum 37; generally speaking, no matter design, die sinking or manufacturing etc. are all easy than prior art, and can significantly promote the yield of making; therefore further can reduce cost, promote whole economic benefit.

Claims

1. ratchet spanner DIP structure, this ratchet spanner mainly is to be provided with a bigger head in the handle boom end, wherein head is provided with a tool heads tank, and head is provided with sour jujube piece tank and shifting block tank in adjacent hub bar one side, be connected between this tool heads tank, sour jujube piece tank and shifting block tank, and supply the shifting block of a tool heads, a sour jujube piece and a DIP structure ccontaining respectively, it is characterized in that: the shifting block tank bottom center of head is provided with a perforation, apical margin then is provided with a recessed edge of class that is communicated with each tank, is embedded a banking stop; The plectrum activity that described shifting block is installed with the column of abutting structure by one and can drives column constitutes, and the column end face protruded out a location key, is installed with abutting structure and the non-ratchet face end of sour jujube piece in the corresponding sour jujube piece of column lateral margin and is and replaces commutation and concern; Described plectrum is hubbed on the bottom surface of pillar by the head opposite side, and plectrum and column fixing position can be hubbed in the perforation of head; Described banking stop is provided with a tab portion that can cover shifting block, and tab portion is provided with a locating hole corresponding to the position of shifting block location key, and the two ends of shifting block are hubbed at respectively on head and the banking stop.

2. ratchet spanner DIP structure as claimed in claim 1 is characterized in that: the column bottom of shifting block has protruded out a polygonal projection, and plectrum is provided with corresponding cylindrical barrel, cylindrical shell have one with the slotting mutually solid polygonal jack of polygonal projection.

3. ratchet spanner DIP structure as claimed in claim 1 or 2 is characterized in that: the plectrum of shifting block forms the antelabium that can be resisted against the head bottom surface at the cylindrical shell periphery.

4. ratchet spanner DIP structure as claimed in claim 1 is characterized in that: banking stop is provided with two perforation at the tab portion peripheral side, and the locking bolt is locked in banking stop on the described head by described.

5. as claim 1 or 4 described ratchet spanner DIP structures, it is characterized in that: the recessed edge of the class of head is provided with above banking stop and covers sheet, and cover the tab portion that sheet one side has a correspondence, and cover the perforation that also is provided with correspondence on the sheet, the locking bolt will cover sheet by this perforation and banking stop is locked on the head.

6. ratchet spanner DIP structure as claimed in claim 1 is characterized in that: abutting structure includes an elastic parts and one one end that is installed with in the principal post lateral margin holds the hole and is installed with the supporting member of replacing mutually at the appearance hole other end and sour jujube piece.

7. ratchet spanner DIP structure as claimed in claim 1 is characterized in that: sour jujube piece one end be provided with can with the ratchet of tool heads engagement, the other end is provided with the location arc edge that allows abutting structure replace commutation.