CN218776499U - Double-end wrench tool - Google Patents

Abstract

A double-end wrench tool comprises a long wrench and a short wrench, wherein a rotating shaft is fixedly arranged in the middle of the long wrench, the side surface of the long wrench is rotatably connected with one end of a connecting rod through the rotating shaft, and the other end of the connecting rod is connected with the tail end of the short wrench through a rotating shaft seat; the distance from the center of the wrench head of the short wrench to the rotating shaft at the tail end of the short wrench is equal to the distance from the center of the wrench head of the long wrench to the rotating shaft. The utility model overcomes prior art's is not enough, through forming parallelogram link mechanism between short spanner, connecting rod and the long spanner to can install long spanner and short spanner's spanner head respectively on two adjacent bolts, through applying the effort on hand to the tail end of long spanner, can realize through the effect of twisting soon to two bolts, thereby improve work efficiency.

Description

Double-end wrench tool

Technical Field

The utility model relates to a spanner tool technical field, concretely relates to double-end spanner frock.

Background

A wrench is a tool used to tighten or loosen a bolt, nut or similar workpiece, and is typically formed with a fixed sized and shaped socket at one or both ends of its shank for turning the sized and shaped nut or bolt.

When the existing spanner is used for screwing nuts or bolts, only one spanner can be used for screwing, so that when the bolts such as the wind driven generator blade are screwed, each bolt is required to be screwed, and the working efficiency is relatively low.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a double-end wrench frock has overcome the not enough of prior art, reasonable in design, through forming parallelogram link mechanism between short spanner, connecting rod and the long spanner to can install the spanner head of long spanner and short spanner respectively on two adjacent bolts, through applying the effort to the tail end of long spanner on hand, can realize through the effect of twisting soon to two bolts, thereby improve work efficiency.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

a double-end wrench tool comprises a long wrench and a short wrench, wherein a rotating shaft is fixedly installed in the middle of the long wrench, the side face of the long wrench is rotatably connected with one end of a connecting rod through the rotating shaft, and the other end of the connecting rod is connected with the tail end of the short wrench through a rotating shaft seat;

the distance from the center of the wrench head of the short wrench to the tail end of the short wrench is equal to the distance from the center of the wrench head of the long wrench to the rotating shaft.

Preferably, the connecting rod includes even board and lower even board, even board and lower even board parallel arrangement go up even board and lower even board's tip and rotate respectively and install the both ends at the axis of rotation, the tail end sliding connection of short spanner is at even board under and between the board, even board and lower even board surface have all seted up the bar hole on going up, the rotation axis seat includes pivot and axle bed, the pivot passes the tail end of two bar holes and short spanner respectively, and sliding connection in the bar hole, the axle bed is located even board upper surface, the one end that goes up even board upper surface and be close to the axis of rotation is provided with the lead screw seat, swing joint has the lead screw in the middle of the lead screw seat, the one end fixed mounting of lead screw has stop nut, the other end of lead screw passes lead screw seat and axle bed threaded connection in proper order.

Preferably, the screw rod is connected with a fixing nut through threads, and the fixing nut is located between the screw rod seat and the shaft seat.

Preferably, the tail end of the short wrench is provided with a fixing protrusion, the tail end of the long wrench is provided with a fixing groove, the fixing protrusion is matched with the fixing groove, and the distance from the tail end of the long wrench to the rotating shaft is smaller than the length of the connecting rod.

Preferably, the long wrench and the short wrench are ratchet wrenches or open-ended wrenches.

The utility model provides a double-end wrench frock. The method has the following beneficial effects: the parallelogram link mechanism is formed among the short wrench, the connecting rod and the long wrench, so that the wrench heads of the long wrench and the short wrench can be respectively installed on two adjacent bolts, and the effect of screwing the two bolts can be realized by applying acting force on the tail end handle of the long wrench, so that the working efficiency is improved; through set up the lead screw structure on the connecting rod to the distance between the tail end of adjustment short spanner to the long spanner, thereby the different interval's between two adjacent bolts of adaptation regulation, with the application scope who enlarges the frock.

Drawings

In order to more clearly illustrate the present invention or the technical solutions in the prior art, the drawings used in the description of the prior art will be briefly described below.

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic structural view of a second embodiment of the present invention;

FIG. 3 is a schematic structural view of a connecting rod of the present invention;

fig. 4 is a schematic structural view of a third embodiment of the present invention;

the reference numbers in the figures illustrate:

1. a long wrench; 2. a short wrench; 3. a rotating shaft; 4. a connecting rod; 5. a rotating shaft seat; 6. a screw base; 7. a screw rod; 8. fixing a nut; 9. a fixing projection; 10. fixing the groove; 11. a limit nut; 41. an upper connecting plate; 42. a lower connecting plate; 43. a strip-shaped hole; 51. a rotating shaft; 52. a shaft seat.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention will be combined below to clearly and completely describe the technical solutions of the present invention.

In the first embodiment, as shown in fig. 1, a double-ended wrench tool includes a long wrench 1 and a short wrench 2, a rotating shaft 3 is fixedly installed in the middle of the long wrench 1, the side surface of the long wrench 1 is rotatably connected with one end of a connecting rod 4 through the rotating shaft 3, and the other end of the connecting rod 4 is connected with the tail end of the short wrench 2 through a rotating shaft seat 5;

the distance from the center of the wrench head of the short wrench 2 to the rotating shaft 51 at the tail end of the short wrench 2 is equal to the distance from the center of the wrench head of the long wrench 1 to the rotating shaft 3.

The working principle is as follows:

because the length of the short wrench 2 is equal to the distance from the center of the wrench head of the long wrench 1 to the rotating shaft 3, a parallelogram link mechanism can be formed among the short wrench 2, the link 4 and the long wrench 1, so that the wrench heads of the long wrench 1 and the short wrench 2 can be respectively installed on two adjacent bolts in the use process, the effect of screwing the two bolts can be realized by applying acting force on the tail end handle of the long wrench 1, and the working efficiency is improved; the bolt screwing device is mainly used for screwing bolts during assembling and disassembling of blades of a wind driven generator, and due to the fact that the number of the bolts is large and the distance between adjacent bolts is equal, the effect of assembling and disassembling two bolts through one-time screwing operation can be achieved.

In a second embodiment, as shown in fig. 2-3, as a further preferable solution of the first embodiment, the connecting rod 4 includes an upper connecting plate 41 and a lower connecting plate 42, the upper connecting plate 41 and the lower connecting plate 42 are arranged in parallel, and the ends of the upper connecting plate 41 and the lower connecting plate 42 are respectively rotatably mounted at two ends of the rotating shaft 3, the tail end of the short wrench 2 is slidably connected between the upper connecting plate 41 and the lower connecting plate 42, the surfaces of the upper connecting plate 41 and the lower connecting plate 42 are both provided with a strip-shaped hole 43, the rotating shaft seat 5 includes a rotating shaft 51 and a shaft seat 52, the rotating shaft 51 respectively passes through the two strip-shaped holes 43 and the tail end of the short wrench 2 and is slidably connected in the strip-shaped hole 43, the shaft seat 52 is located on the upper surface of the upper connecting plate 41, one end of the upper connecting plate 41 close to the rotating shaft 3 is provided with a screw seat 6, the middle of the screw seat 6 is movably connected with a screw rod 7, one end of the screw rod 7 is fixedly provided with a limit nut 11, and the other end of the screw rod 7 sequentially passes through the screw seat 6 and the shaft seat 52 and is in threaded connection with the shaft seat 52. In the embodiment, the screw 7 is connected with the fixing nut 8 through threads, and the fixing nut 8 is positioned between the screw seat 6 and the shaft seat 52.

When the tool is used, the screw rod 7 can be rotated by rotating the limiting nut 11 at the end part of the screw rod 7, so that the whole rotating shaft seat 5 is driven to slide along the strip-shaped hole 43 through the threaded connection relation between the screw rod 7 and the shaft seat 52, and then the tail end of the short wrench 2 is driven to slide between the upper connecting plate 41 and the lower connecting plate 42, so that the distance from the tail end of the short wrench 2 to the long wrench 1 is adjusted, the adjustment of different distances between two adjacent bolts is adapted, and the application range of the tool is expanded; after adjusting to suitable position, the screw 7 is locked and fixed by rotating the fixing nut 8, so that the distance between the tail end of the short wrench 2 and the long wrench 1 can be maintained stably in the using process.

In the third embodiment, as shown in fig. 4, as a further preferable solution of the second embodiment, a fixing protrusion 9 is disposed at the tail end of the short wrench 2, a fixing groove 10 is disposed at the tail end of the long wrench 1, the fixing protrusion 9 is matched with the fixing groove 10, and the distance from the tail end of the long wrench 1 to the rotating shaft 3 is smaller than the length of the connecting rod 4.

When using as a spanner, can be earlier through rotating lead screw 7, make the tail end of short spanner 2 the distance between to long spanner 1 the biggest, rotate whole short spanner 2 and connecting rod 4 respectively around rotation axis seat 5 and axis of rotation 3 again, make whole frock one style of calligraphy structure, reverse rotation lead screw 7 again, the tail end that makes short spanner 2 is corresponding with long spanner 1's tail end, and cooperate with fixed recess 10 through fixed protrusion 9, in order to realize the locking between short spanner 2 and the long spanner 1 fixed, rethread fixation nut 8 locks lead screw 7 fixedly, can become a style of calligraphy structure with the frock, so that fixed accomodating and normal use.

In a fourth embodiment, as a further preferable mode of the first embodiment, the long wrench 1 and the short wrench 2 may be ratchet wrenches or open wrenches.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (5)

1. The utility model provides a double-end spanner frock which characterized in that: the wrench comprises a long wrench (1) and a short wrench (2), wherein a rotating shaft (3) is fixedly installed in the middle of the long wrench (1), the side face of the long wrench (1) is rotatably connected with one end of a connecting rod (4) through the rotating shaft (3), and the other end of the connecting rod (4) is connected with the tail end of the short wrench (2) through a rotating shaft seat (5);

the distance from the center of the wrench head of the short wrench (2) to the tail end of the short wrench (2) is equal to the distance from the center of the wrench head of the long wrench to the rotating shaft (3).

2. The double-ended wrench tooling as claimed in claim 1, wherein: connecting rod (4) are including last connecting plate (41) and lower connecting plate (42), go up connecting plate (41) and lower connecting plate (42) parallel arrangement, just go up connecting plate (41) and the both ends of installing in axis of rotation (3) are rotated respectively with the tip of lower connecting plate (42), the tail end sliding connection of short spanner (2) is between last connecting plate (41) and lower connecting plate (42), go up connecting plate (41) and link plate (42) surface down and all seted up bar hole (43), rotating shaft seat (5) are including pivot (51) and axle bed (52), pivot (51) pass the tail end of two bar holes (43) and short spanner (2) respectively, and sliding connection in bar hole (43), axle bed (52) are located even board (41) upper surface, the one end that goes up connecting plate (41) upper surface is close to axis of rotation (3) is provided with lead screw seat (6), swing joint has lead screw (7) in the middle of lead screw seat (6), the one end fixed mounting of lead screw (7) has lead screw nut (11) and lead screw seat (52) and screw seat (6) and screw nut (52) connection screw seat (11) and axle seat (52) in proper order.

3. The double-ended wrench tooling as claimed in claim 2, wherein: the screw rod (7) is connected with a fixing nut (8) through threads, and the fixing nut (8) is located between the screw rod seat (6) and the shaft seat (52).

4. The double-ended wrench tooling as claimed in claim 2, wherein: the tail end of short spanner (2) is provided with fixed arch (9), the tail end of long spanner (1) is provided with fixed recess (10), fixed arch (9) and fixed recess (10) phase-match, the distance of tail end to axis of rotation (3) of long spanner (1) is less than the length of connecting rod (4).

5. The double-ended wrench tooling as claimed in claim 1, wherein: the long wrench (1) and the short wrench (2) are ratchet wrenches or open-ended wrenches.

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