CN2296262Y - Folding hand operated tool with locking structure - Google Patents

Abstract

The utility model relates to a hand operated tool with a locking structure, which comprises a handle and a tool body. The handle is hinged with the tool body through a shaft, and the tool body is provided with a shrapnel which is extended to the handle; the shrapnel is provided with a convex pin or pin holes, and the handle is correspondingly provided with pin holes or a convex pin. The utility model can be pushed with only one hand, and then the convex pin is disengaged from the pin hole. Force is exerted on the tool body with one hand so as to enable the tool body to rotate and fold in a handlebar library, or bend out of the handlebar library. Then, the convex pin is inserted into next pin hole so as to fix the tool body at the folding position of the handle or at the unfolding position of the handle.

Description

A kind of folding manual instrument that has latch-up structure

The utility model relates to a kind of hand-operated tools that has latch-up structure.

General folding manual instrument has jackknife, saw, file etc., is made up of so that axle is hinged body of tool such as cutter, saw, file and handle; Some hand-operated tools is to have latch-up structure, latch-up structure is the back of the body hook that is located on the handle, link lever locking structure as a kind of knife back shrinkage pool, blade is articulated on the handle with axle, knife back end face is provided with shrinkage pool, adopts the rear end that is articulated in the connecting rod on the handle to make connecting rod front end head embed the latch-up structure of shrinkage pool with spring.So just must be with a hand to rod rear end, make the front end head of connecting rod break away from shrinkage pool, and with the another hand propelled knife back, blade is folded in the handle tool magazine, folding and the unlatching of blade on handle just, must with the hands operate and can realize, institute is so that the manual operation operation is more loaded down with trivial details and it is inconvenient to use.

Based on defective that exists in the above-mentioned technology and deficiency, the utility model has the shell fragment that stretches to handle on body of tool, the pin joint that is provided with locking at shell fragment and handle cooperates latch-up structure, realization is singlehanded finishes the folding and unlatching of body of tool on handle, and a kind of hand-operated tools that has latch-up structure is provided.

The purpose of this utility model can be achieved by following measure: the folding manual instrument that has latch-up structure comprises handle and body of tool, handle is hinged with axle and body of tool, technology special feature of the present utility model is that body of tool (2) is articulated in handle (4) with axle (3), and body of tool (2) has the shell fragment (1) that stretches to handle.Shell fragment (1) preferably and body of tool (2) be one, have thin-and-long crack (5) between shell fragment (1) and the body of tool (2), the root of crack (5) is provided with technology circular hole (6), and technology circular hole (6) mainly reduces stress and concentrates and to prevent that the root of crack (5) from cracking; Shell fragment (1) also can be fixed on the body of tool (2) with other connected mode.Preferably shell fragment (1) is parallel with handle side or handle bin medial surface.Side in shell fragment (1) is provided with protruding pin or pin-and-hole (7) as the spring leaf above the terminal of crack (5).Handle (4) correspondence is provided with pin-and-hole or protruding pin (8).Protruding pin or pin-and-hole (7) are located at the side of shell fragment (1), meanwhile, the medial surface that pin-and-hole that is provided with in handle (4) correspondence or protruding pin (8) also are located at handle (4) side or handle bin, promptly the outstanding end side surface of shell fragment (1) is provided with protruding pin (7); Simultaneously be provided with pin-and-hole (8) with it accordingly in the side of handle (4) or the medial surface of handle bin, promptly pin (7) is subjected to movable being inserted in the pin-and-hole (8) of restriction of shell fragment (1).The quantity of being located at the protruding pin of the side of handle (4) or handle bin medial surface or pin-and-hole depends on that hand-operated tools needs what of quantity of latched position to determine; Generally be provided with the position that makes body of tool be in opening and folded state.The side of shell fragment (1) also is provided with to push away turns round (9), so that singlehanded pushing shell fragment (1), when the body of tool that is in opening need fold, body of tool was in the pin-and-hole that protruding pin under the opening inserted the enable possition and reinforced body of tool in handle (4) this moment; Make shell fragment (1) produce displacement as long as push turn round (9) to, impel protruding pin and pin-and-hole to break away from one hand, the continuation one hand force in push away turn round (9) to the instrument reverse fold in handle (4) or handle bin.The protruding pin that be in the folding position this moment inserts again in the pin-and-hole and reinforces body of tool in the handle folding position.Otherwise, when body of tool (2) needs to open, make shell fragment (1) produce displacement as long as push turn round (9) to one hand, impel the protruding pin and the pin-and-hole that are in the folding position to break away from; Continuing one hand forces in to push away and turns round (9) to body of tool and be in opening.The protruding pin that be in the enable possition this moment inserts again in the pin-and-hole of enable possition and reinforces body of tool and carried out work on handle (4).

Because the utility model is provided with the shell fragment that stretches to handle and is provided with the latch-up structure that pin cooperates with pin-and-hole accordingly on shell fragment and handle in body of tool; As long as one hand pushing spring produces displacement, make pin leave pin-and-hole, continue one hand and force in body of tool, freely with regard to the folding and unlatching of implementation tool body on handle; Therefore, just have the singlehanded work that substitutes both hands, reduce the loaded down with trivial details, easy to use of operation.

Accompanying drawing such as drawing are illustrated in down: Fig. 1 is the main schematic diagram of looking of the opening structure assembling of specific embodiment of the utility model; Fig. 2 is the structural representation that specific embodiment of the utility model is in folded state; Fig. 3 is the A-A cutaway view of Fig. 1.

Below in conjunction with embodiment shown in the drawings the utility model is described in further detail:

From Fig. 1, Fig. 2, as can be known shown in Figure 3, present embodiment is that a kind of body of tool is on handle and can opens and folding two positions has the jackknife of lock function; Body of tool is that blade body (2) is articulated on the handle (4) with axle (3), handle (4) has tool magazine, make the shell fragment that stretches to handle (4) (1) that is one with the blade body direct the separation at the knife back place of blade body (2), makes shell fragment (1) parallel with the tool magazine medial surface of handle (4).Shell fragment (1) is in the knife back top of blade body (2), and the crack (5) that is thin-and-long between the blade body (2), root at crack (5) is provided with technology circular hole (6), the outstanding end side surface that in the top of crack (5) terminal is shell fragment (1) is provided with protruding pin (7), be provided with pin-and-hole (8) in the inboard correspondence of the tool magazine of handle (4), (10), pin-and-hole (8) is the lock hole position of blade folded body on handle (4), locking lockhole position when pin-and-hole (10) is in opening for the blade body, the restrictive function that protruding lock (7) is subjected to shell fragment (1) activity respectively is inserted in pin-and-hole (8), in (10); And also be provided with to push away in the side of shell fragment (1) and turn round (9); When blade body (2) being folded as needs, as long as turn round (9) with singlehanded pushing away, make shell fragment (1) produce displacement, protruding pin (7) withdraws from pin-and-hole, continuing one hand forces in to push away and turns round (9) to blade body (2) and be folded in the tool magazine of handle (4), the protruding pin (7) of the outstanding end of shell fragment this moment (1) enters again in the pin-and-hole (8) of being located at the handle bin inboard and being in the folding position, makes blade body (2) be locked in the folding position; Make blade body (2) when the handle tool magazine is opened as needs, as long as turn round (9) with singlehanded pushing away, make shell fragment (1) produce displacement, protruding pin (7) withdraws from pin-and-hole (8) again, continuing one hand forces in to push away and turns round (9) to blade body and be in opening, the protruding pin (7) of the outstanding end of shell fragment this moment (1) enters again in the pin-and-hole that is in the enable possition (10) that is located at the handle bin inboard, and reinforces blade body (2) on handle (4), makes jackknife carry out operate as normal.

Claims (3)

1. folding manual instrument that has latch-up structure, comprise handle and body of tool, handle is hinged with axle and body of tool, special feature of the present utility model is that body of tool (2) has the shell fragment (1) that stretches to handle, shell fragment is provided with protruding pin or pin-and-hole (7), and handle (4) correspondence is provided with pin-and-hole or protruding pin (8).

2. as the said folding manual instrument that has latch-up structure of claim 1, shell fragment (1) preferably and body of tool (2) be one, have thin-and-long crack (5) between shell fragment (1) and the body of tool (2), the root of crack (5) is provided with technology circular hole (6).

3. as the said folding manual instrument that has latch-up structure of claim 1, shell fragment (1) is parallel with handle side or handle bin medial surface, protruding pin or pin-and-hole (7) are located at the side of shell fragment (1), the medial surface that pin-and-hole that is provided with in handle (4) correspondence or protruding pin (8) also are located at handle (4) side or handle bin.

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