CN2902586Y

CN2902586Y - Ratchet spanner

Info

Publication number: CN2902586Y
Application number: CN 200620101611
Authority: CN
Inventors: 张恩华
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-03-10
Filing date: 2006-03-10
Publication date: 2007-05-23
Anticipated expiration: 2016-03-10

Abstract

A ratchet wrench comprises a wrench head, a handle and a ratchet ring, the three parts make up an integral wrench body, and a push button provided with a spring and a spherical shell body, the push button is inserted in a rack which is connected with a pack stop and is provided with steel balls, the push button and the rack are integrally connected by a collar, wherein the external surface of the ratchet ring is coated with a lining board and is extended to form an integral body constructed by composite material through injection molding of the wrench head and the handle. The ratchet wrench gets rid of the conventional structure that the metallic material is made into an integral body and then is sleeved with a plastic handle outside and the mechanical processing manufacturing method, the ratchet wrench employs ratchet cover which is covered by lining board metallic material outside to be injected into mold by an injection machine and is made of composite material, which reduces the manufacturing procedures and the manufacturing cost, the utility model has light weight and convenient in carrying and using, and the injection molding of the handle is not easily to be dropped and is insulated perfectly, so the use is safe. Further, a poly-tropic ratchet wrench with a plurality of shapes and colors can be made by injection machine, which increases the assortment of ratchet wrench to meet the demands of the tool market.

Description

Ratchet spanner

Technical field

The utility model relates to a kind of hand-operated tools ratchet spanner.

Background technology

The patent No. 02205142.2 " improved ratchet spanner ", provide a kind of and interior ratchet has been arranged at the spanner bore area, spanner and handle are to be made into by same material, and mostly being metalwork also needs to process with traditional method for metal working, be with sleeve at the handle place then, procedure is many, the manufacturing cost height, moulding dullness, overall weight weight, not portable, sleeve easily comes off, uses inconvenient.

The structure that the patent No. 03261605.8 " ratchet spanner structural improvement " provides a kind of ratchet cover to process separately, embed again in the spanner endoporus after the ratchet cover processed, and ratchet is cooperated with the ratchet that ratchet overlaps on the outer surface, though simplified the processing of part, being convenient to assembling again reduces production costs, but the ratchet cover easily became flexible, skidded, and has influenced service life with after long the time.

Summary of the invention

Technical problem to be solved in the utility model is: a kind of ratchet spanner is provided, adopt composite to make and reduced manufacturing procedure, reduced production cost, and in light weight being easy to carry, good insulating, safe in utilization is for market provides a kind of appearance and modeling variation cheap and good-quality new varieties.

The technical scheme in the invention for solving the above technical problem is: ratchet spanner, by spanner, handle, the integrant wrench body of ratchet ring, be plugged in the fixed mount that is connected with ratchet, is placed with steel ball to be connected and fixed with collar with the button of band spring, global shell and be integral composition, described ratchet ring outer surface is coated with liner plate and extension and spanner, handle and is injection molded into the integral body that is made of composite.

Compared with prior art, advantage of the present utility model is: this ratchet spanner is broken the normal procedure and is made into the whole structure of overcoat plastic handgrip again and the manufacture method of machining with metal material, employing at the outer coating of ratchet cover liner plate metal material with injection machine injection mo(u)lding and the integral body made by composite, reduce procedure, reduced production cost, in light weight portably using again conveniently, handle injection mo(u)lding difficult drop-off good insulating, safe in utilization.Can be made into the ratchet spanner of multiple shape and color, lively and changeable in addition again with injection machine, the designs and varieties that increased ratchet spanner satisfy the demand in instrument market.

Description of drawings

Fig. 1, structural representation of the present utility model.

The A-A cutaway view of Fig. 2, Fig. 1.

The B-B profile of Fig. 3, Fig. 2.

The C-C profile of Fig. 4, Fig. 2.

The specific embodiment

Below in conjunction with accompanying drawing embodiment of the present utility model is further described.

The ratchet that varying number is arranged on the inside and outside circular surfaces of ratchet cover 5, liner plate 6 is the steel plate that is complementary with the spanner shape, has on the through-hole wall in the middle of the liner plate spanner end and ratchet cover 5 ratchets that cooperate, liner plate 6 also has reinforcement 15 on centre position, handle place.

Ratchet cover 5 is pressed and is embedded in the middle ratchet hole of liner plate 6 spanners, making liner plate 6 be coated on ratchet overlaps on the position of middle 1/5～1/2 height in 5 neighborings, and extension cooperates with spanner 7, handle 14, with injection machine be injection molded into by composite make by handle 14, spanner 7 integrant wrench bodies.

Connect two ratchets 4 with pin 2 in the two symmetrical cavitys of fixed mount 9 upper ends, on one sidewall of lower end through hole is arranged.

The two ends of button 1 intermediate lateral through hole are placed with the two halves cylinder hollow global shell 3 of band spring 10, and there is the inclined-plane 12 of a band groove lower end.With down with longitudinal spring 11, on insert in the through hole in the middle of the fixed mount 9 that ratchet 4 has been installed with the button 1 of horizontal global shell 3, spring 10, and the steel ball 13 placed on the fixed mount is cooperated with inclined-plane 12 on button 1 lower end, will be fixed on the fixed mount 9 of button 1 on the whole wrench body with collar 8 again.

During use, earlier press button 1 downwards with hand, then button 1 moves down, run into the steel ball 13 of fixed mount 9 lower ends when the groove inclined-plane 12 of button lower end, then steel ball 13 is withdrawn in the fixed mount 9, and just smoothly insert in the required sleeve of pulling securing member the fixed mount termination, at this moment pulls handle 14 on the ratchet spanner with the hand clockwise direction again, rotate by ratchet rotating band moving sleeve, thus the purpose that reaches quick locking or unclamp latch assembly.

Claims

1, a kind of ratchet spanner, by spanner (7), handle (14), the integrant wrench body of ratchet ring (5), be plugged on the button (1) of band spring (10), (11), global shell (3) and be connected with ratchet (4), be placed with in the fixed mount (9) of steel ball (13) to be connected and fixed and be integral composition, it is characterized in that described ratchet ring (5) outer surface is coated with liner plate (6) and extend and spanner (7), handle (14) are injection molded into the integral body that is made of composite with collar (8).

2, ratchet spanner according to claim 1 is characterized in that liner plate (6) is the steel plate that is complementary with the spanner shape, on the through-hole wall in the middle of liner plate (6) the spanner end ratchet is arranged, and also has reinforcement (15) on the handle end centre position.

3, ratchet spanner according to claim 1, it is characterized in that ratchet cover (5) embeds in the ratchet hole in the middle of the liner plate (6), liner plate (6) is coated on the position of middle 1/5～1/2 height in ratchet cover (5) neighboring, and extension cooperates with spanner (7), handle (14).