CN207480471U - The structure of ratchet spanner - Google Patents

Abstract

The utility model provides a kind of structure of ratchet spanner,Equipped with a wrench body,One ratchet and a braked wheel are set in the wrench body,One cover board is set on the one side of the wrench body,The cover board is equipped with an open-work,It is equipped on the periphery of the open-work of the cover board to the convex screening edge of outer arc,One Dust guard shield is sheathed on the ratchet,And on the inside of the screening edge of the cover board,It is covered at the open-work position that the gear teeth of the ratchet are located at the cover board by the Dust guard shield,The Dust guard shield is equipped with a perforation worn for the sleeve extension rod of the ratchet,The another side of the wrench body is equipped with an open-work,One covers in the open-work of the wrench body,The open-work of the wrench body is covered in the covering,So,By the screening edge on the cover board,The dust-proof matte and the setting of the covering,It can prevent dust or wisp from falling into the wrench body really,It can ensure that the normal rotation of ratchet.

Description

The structure of ratchet spanner

Technical field

The utility model is related to a kind of structures of ratchet spanner, especially mean a kind of in the screening edge on the cover board of wrench body Inside is equipped with Dust guard shield, and the open-work position that the gear teeth of ratchet are located to cover board covered, can prevent dust or wisp by Open-work is fallen into wrench body, it can be ensured that the normal rotation of ratchet.

Background technology

It presses, existing ratchet spanner please refers to Fig.1, shown in Fig. 2, and ratchet is equipped in the working end 10 of wrench body 1 11, which is equipped with sleeve extension rod 110, which protrudes out except the working end 10, in the working end 10 One side be equipped with a concave surface 100, which is equipped with a cover board 12, which is equipped with one for the ratchet 11 The open-work 120 that sleeve extension rod 110 is worn separately is equipped with an open-work 101 (as shown in Figure 2) in the another side of the working end 10, So, though existing ratchet spanner can facilitate the force application angle adjusted when operating, because of the open-work 120 on its cover board 12 and ratchet 11 Sleeve extension rod 110 between have a larger spacing, the horizontal hunting of wrench body 1 can not be limited, wrench body 1 is in horizontal pendulum After dynamic, the gear teeth of the ratchet 11 in wrench body 1 horizontal can not then be engaged with the gear teeth of braked wheel, the serration rapid wear on the gear teeth Engaged transmission that is bad, and can not stablizing, thus have and jump tooth, the untrue situation of transmission generates, and the open-work 120 on cover board 12 with Open-work 101 on 1 another side of wrench body is open, therefore the wisps such as dust or iron filings are easily fallen by open-work 120,101 Enter in wrench body 1, and be fastened in the gear teeth of ratchet 11, make the rotation of ratchet 11 hindered or clamping, and influence spine The normal rotation of wheel 11, causes ratchet spanner to be easily damaged.

Utility model content

The purpose of this utility model is to provide a kind of ratchet spanner, can effectively solve existing ratchet spanner and use When existing missing.

To achieve the above object, the technical solution adopted in the utility model is：

A kind of structure of ratchet spanner, is mainly provided with：

One wrench body, the one side of the wrench body are equipped with concave surface, room are equipped in the concave surface, the wrench body Another side is equipped with an open-work, and the another side of the wrench body is equipped with a groove, which is equipped with several be connected to The perforation of the concave surface；

One ratchet and a braked wheel, in the room of the wrench body, the gear teeth of the ratchet and the gear teeth of the braked wheel Intermeshing, the ratchet are equipped with sleeve extension rod, which is equipped with a perforation；

One catch, on the groove of the wrench body, corresponding to the perforation on the groove of the wrench body on the catch Position also is provided with perforating, and screw is equipped in the perforation on the catch, and the inside of the catch is equipped with a moving part, the moving part One end is equipped with pillar, which is equipped with a spring and one holds block, the moving part, spring and holds block and sets into the braking In the perforation of wheel, the lateral surface of the catch is equipped with a sliding piece, which connect with the moving part；

One cover board, is covered on the concave surface of the wrench body, which is equipped with an open-work, in the week of the open-work of the cover board Side is equipped with to the convex screening edge of outer arc, is additionally provided with a positional punch worn for the pillar of the moving part on the cover board, on the cover board Screw hole is equipped with corresponding to the punch position on the concave surface of the wrench body, the screw hole is for the screw screw lock；

One covers, and in the open-work of the wrench body another side, which is hidden the open-work of the wrench body It covers；

It is characterized in that：One Dust guard shield is sheathed on the ratchet, and on the inside of the screening edge of the cover board, the Dust guard shield The open-work position that the gear teeth of the ratchet are located to the cover board is covered, which is equipped with a sleeve extension rod for the ratchet The perforation worn.

The advantages of structure of the utility model ratchet spanner is：It can prevent dust or wisp falls into appearance in wrench body Interior can ensure the normal rotation of ratchet really, can increase the service life of ratchet spanner.

Description of the drawings

Fig. 1 is the stereoscopic schematic diagram of existing ratchet spanner.

Fig. 2 is the stereoscopic schematic diagram of another angle of existing ratchet spanner.

Fig. 3 is the three-dimensional exploded view of the utility model embodiment.

Fig. 4 is the three-dimensional exploded view of another angle of the utility model embodiment.

Fig. 5 is the assembled sectional view of the utility model embodiment.

Fig. 6 is the schematic diagram that the utility model embodiment ratchet deviates an angle.

Fig. 7 is the three-dimensional combination figure of the utility model embodiment.

Fig. 8 is the three-dimensional combination figure of another angle of the utility model embodiment.

Reference sign：1 wrench body；10 working ends；100 concave surfaces；101 open-works；11 ratchets；110 sleeve extension rods； 12 cover boards；120 open-works；2 wrench bodies；20 working ends；21 concave surfaces；22 rooms；23 open-works；230 embedding edge；24 grooves；25 first Perforation；26 serrations；3 ratchets；30 gear teeth；31 sleeve extension rods；4 braked wheels；40 gear teeth；41 serrations；42 second perforation；5 catch；50 Third is perforated；51 screws；52 moving parts；53 pillars；530 annular grooves；54 retaining rings；55 springs；56 hold block；57 sliding pieces；6 lids Plate；60 open-works；61 hide edge；62 positional punches；63 screw holes；7 cover；70 caulking grooves；71 steel rings；8 Dust guard shields；80 the 4th perforation.

Specific embodiment

Related the utility model is up to above-mentioned use purpose and effect, and used technological means is hereby enumerated and preferably may be used Capable embodiment, and coordinate shown in schema, details are as follows：.

The embodiment of the utility model is please referred to shown in Fig. 3, Fig. 4, Fig. 5, is mainly provided with a wrench body 2, the spanner The one side of the working end 20 of ontology 2 is equipped with concave surface 21, and room 22, the opposite side of the wrench body 2 are equipped in the concave surface 21 Face is equipped with an open-work 23, and the periphery of the open-work 23 is convexly equipped with embedding edge 230, one is additionally provided on the another side of the wrench body 2 Groove 24, the groove 24 are equipped with the several first perforation 25 and are connected to the concave surface 21, and 22 internal face of room of the wrench body 2 is set There are several serrations 26；One ratchet 3 and a braked wheel 4, in the room 22 of the wrench body 2, the gear teeth 30 and the system of the ratchet 3 The gear teeth 40 of driving wheel 4 are intermeshed, which is equipped with sleeve extension rod 31, and the gear teeth 40 of the braked wheel 4 are equipped with number serration 41, which is equipped with one second perforation 42；One catch 5, it is right on the catch 5 on the groove 24 of the wrench body 2 Third perforation 50 should also be provided in first on the groove 24 of the wrench body 2,25 positions of perforating, the third on the catch 5 is worn Screw 51 is equipped in hole 50, the inside of the catch 5 is equipped with a moving part 52, and one end of the moving part 52 is equipped with pillar 53, should Pillar 53 is equipped with an annular groove 530, and button is equipped with a retaining ring 54 on the annular groove 530, which is equipped with a spring 55 and one Hold block 56, the moving part 52, spring 55 and hold block 56 and set in the second perforation 42 of the braked wheel 4, the catch 5 it is outer Side is equipped with a sliding piece 57, which connect with the moving part 52；One cover board 6 is set on the concave surface of the wrench body 2 In 21, which is equipped with an open-work 60, is equipped on the periphery of the open-work 60 to the convex screening edge 61 of outer arc, is separately set on the cover board 6 There is a positional punch 62 worn for the pillar 53 of the moving part 52, correspond on the concave surface 21 of the wrench body 2 on the cover board 6 First perforation 25 positions be equipped with screw hole 63, the screw hole 63 is for 51 screw lock of screw；One covers 7, set on the wrench body 2 In open-work 23, the periphery of the covering 7 is equipped with a caulking groove 70 being embedded for the embedding edge 230 of the wrench body 2, and the covering 7 is by rubber It is filled made by material, in the covering 7 and is surrounded by a steel ring 71；One Dust guard shield 8 is sheathed on the ratchet 3, and positioned at the cover board 6 The inside of screening edge 61,60 position of open-work that the gear teeth 30 of the ratchet 3 are located to the cover board 6 covered, which is equipped with One the 4th perforation 80 worn for the sleeve extension rod 31 of the ratchet 3, in this way, the as structure of a ratchet spanner.

It during assembling, please refers to shown in Fig. 3-Fig. 8, ratchet 3 and braked wheel 4 is first placed in the room 22 of wrench body 2 It is interior, then be set on the catch 5 equipped with moving part 52 is organized in the groove 24 of wrench body 2, and make moving part 52, spring 55 and hold Block 56 1 is placed into the second perforation 42 of the braked wheel 4 in wrench body 2, and Dust guard shield 8 separately is sheathed on ratchet 3 On, the sleeve extension rod 31 of ratchet 3 is made to be stretched through out, then cover board 6 is covered on wrench body 2 by the 4th perforation 80 of Dust guard shield 8 Working end 20 concave surface 21 on, the sleeve extension rod 31 of ratchet 3 is made to be stretched through out by the open-work 60 of cover board 6, which can It is rotated in 60 bias internal of open-work of the cover board 6, and the pillar 53 of the moving part 52 in the perforation 41 of the braked wheel 4 is then arranged in this In the positional punch 62 of cover board 6, then retaining ring 54 is buckled in the annular groove 530 on the pillar 53, then will be arranged in catch 5 and pull The screw 51 that the third of hand ontology 2 is perforated in the 50, first perforation 25 is screw-locked in the screw hole 63 of cover board 6, and cover board 6 is fixedly arranged on this On working end 20, and Dust guard shield 8 is made to be located on the inside of the screening edge 61 of cover board 6, the gear teeth 30 of ratchet 3 are simultaneously located at by Dust guard shield 8 60 position of open-work of the cover board 6 is covered, and will separately be covered 7 and is set in the open-work 23 of spanner this ontology 2, makes 23 edge of open-work Embedding edge 230 is embedded in the caulking groove 70 for covering 7, will be covered 7 and is fixed in the open-work 23 of wrench body 2, makes covering 7 by spanner sheet The open-work 23 of body 2 is covered, in this way, assembling can be completed.

In use, please referring to shown in Fig. 3-Fig. 8, the ratchet spanner of the utility model relies in 60 edge of open-work of cover board 6 Screening edge 61 equipped with outside convex arc-shape, can limit wrench body 2 can only vertical oscillation, and can not horizontal hunting, make the wheel of ratchet 3 The serration 41 being hardly damaged during the gear teeth 40 that 30 level of tooth is engaged on braked wheel 4 on the gear teeth 40, and by 61 inside of screening edge The gear teeth 30 of ratchet 3 in the room 22 of wrench body 2 can be located at the open-work 60 of cover board 6 by set Dust guard shield 8 Position is covered, another that the open-work 23 in wrench body 2 is relied on to be equipped with covering 7, can be hidden the open-work 23 of wrench body 2 It covers, the wisps such as dust or iron filings is made not fall out in the room 22 of wrench body 2, can ensuring that the normal of ratchet 3 turn really It is dynamic；Also, the utility model relies on the positional punch 62 for cover board 6 that the pillar 53 of moving part 52 stretches through out, and by a retaining ring 54 It is held in the annular groove 530 on pillar 53, retaining ring 54 is simultaneously held in the outside wall surface of cover board 6, in this way, even if screw 51 generates pine When dynamic, what catch 5 and cover board 6 can still consolidate is positioned in wrench body 2, and can prevent moving part 52 and sliding piece 57 from generating It loosens, the switching for making sliding piece 57 is more certain, and then the steering of switching ratchet 3 is made to have more stability, can increase ratchet spanner Service life.

It is described above to be merely exemplary for the utility model, and not restrictive, those of ordinary skill in the art Understand, in the case where not departing from the spirit and scope that claim is limited, can many modifications may be made, variation or it is equivalent, but It falls within the scope of protection of the utility model.

Claims (1)

1. a kind of structure of ratchet spanner, is mainly provided with：

One wrench body, the one side of the wrench body are equipped with concave surface, equipped with room in the concave surface, the wrench body it is another Side is equipped with an open-work, and the another side of the wrench body is equipped with a groove, which is equipped with that several to be connected to this recessed The perforation in face；

One ratchet and a braked wheel, in the room of the wrench body, the gear teeth of the ratchet and the gear teeth of the braked wheel are mutual Engagement, the ratchet are equipped with sleeve extension rod, which is equipped with a perforation；

One catch, on the groove of the wrench body, corresponding to the punch position on the groove of the wrench body on the catch It also is provided with perforating, screw is equipped in the perforation on the catch, the inside of the catch is equipped with a moving part, one end of the moving part Equipped with pillar, which is equipped with a spring and one holds block, the moving part, spring and holds block and sets into the braked wheel In perforation, the lateral surface of the catch is equipped with a sliding piece, which connect with the moving part；

One cover board, is covered on the concave surface of the wrench body, which is equipped with an open-work, is set on the periphery of the open-work of the cover board The convex screening edge of oriented outer arc, is additionally provided with a positional punch worn for the pillar of the moving part on the cover board, corresponding on the cover board Screw hole is equipped in the punch position on the concave surface of the wrench body, the screw hole is for the screw screw lock；

One covers, and in the open-work of the wrench body another side, which is covered the open-work of the wrench body；

It is characterized in that：One Dust guard shield is sheathed on the ratchet, and on the inside of the screening edge of the cover board, which should The open-work position that the gear teeth of ratchet are located at the cover board is covered, which is equipped with one and the sleeve extension rod of the ratchet is supplied to wear Perforation.