CN217751228U

CN217751228U - Portable labor-saving wrench

Info

Publication number: CN217751228U
Application number: CN202220966567.4U
Authority: CN
Inventors: 武华飞; 李晓林
Original assignee: Sdic Engineering Inspection And Testing Co ltd
Current assignee: Sdic Engineering Inspection And Testing Co ltd
Priority date: 2022-04-25
Filing date: 2022-04-25
Publication date: 2022-11-08
Anticipated expiration: 2032-04-25

Abstract

The utility model discloses a portable laborsaving spanner relates to spanner technical field. The utility model relates to a portable laborsaving spanner, including spanner main part and wrench, the rotatory fixedly connected with wrench of screw thread is passed through on spanner main part's top, the spread groove has been seted up to spanner main part's both sides outer wall, and the inside swing joint of spread groove has adjustable extension device, spanner main part's both sides outer wall swing joint has presses the hasp, and presses the bottom of hasp and be located the inside front side of spread groove. The utility model discloses an adjustable extension device that sets up utilizes to press the hasp and removes the limit state of spread groove and extension strip, recycles the axis of rotation upset and extends the strip to make extension strip upset 180 degrees, stimulate the extension strip backward according to the field usage again, make the slider slide in the spout, thereby adjusting device length is favorable to conveniently adjusting the whole length of spanner, so that reach laborsaving effect and improve its use flexibility.

Description

Portable labor-saving wrench

Technical Field

The utility model relates to a spanner technical field, concretely relates to portable laborsaving spanner.

Background

The wrench is a common mounting and dismounting tool, and is a manual tool for screwing bolts, screws, nuts and other screw threads to tightly hold open or trepanning fasteners of the bolts or nuts by utilizing the lever principle. The wrench is usually made of structural steel made of carbon or alloy material, and usually has an opening or a sleeve hole for holding a bolt or a nut formed at one end or both ends of a handle part, so that the bolt or the nut can be screwed by applying an external force to the handle part along the rotation direction of a thread when the wrench is used.

The existing spanner has the defects that the spanner is flexible to use and limited due to the fact that the length of the existing spanner is fixed when the existing spanner is used, and the longer spanner is inconvenient to carry and operate.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: because length is fixed when solving current spanner and using to influence the spanner and use nimble and limit nature, longer spanner is inconvenient again carries and the problem of operation, the utility model provides a portable laborsaving spanner.

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

the utility model provides a portable laborsaving spanner, includes wrench body and spanner, the top of wrench body is through the rotatory fixedly connected with spanner of screw thread, the spread groove has been seted up to wrench body's both sides outer wall, and the inside swing joint of spread groove has adjustable extension device, wrench body's both sides outer wall swing joint has presses the hasp, and presses the bottom of hasp and be located the inside front side of spread groove, wrench body top front side fixedly connected with limit connection device.

Further, adjustable extension device is including extending strip, axis of rotation and slider, the top fixedly connected with axis of rotation of extending strip, and the upper and lower both ends of axis of rotation all swing joint have the slider.

Furthermore, a plurality of rectangular holes are formed in the rear side of the top end of each extending strip, limiting holes are formed in the end, far away from the rectangular holes, of each extending strip, a first limiting strip is movably connected inside each limiting hole, and the first limiting strip is U-shaped.

Furthermore, a group of chutes which are symmetrical to each other for appreciation are formed in the rear side of the inner portion of each connecting groove, the longitudinal sections of the chutes are T-shaped, the chutes are matched with the sliding blocks, and the extending strips and the connecting grooves form a turnover sliding adjusting structure through the connecting shafts and the sliding blocks.

Furthermore, the limiting hole is matched with the pressing lock catch, the extension strip is matched with the connecting groove, and the extension strip forms a limiting contraction structure with the connecting groove through the limiting hole and the pressing lock catch.

Further, spacing connecting device includes spacing two and rotates the screw rod, the top of spacing two has the rotation screw rod through the rotatory swing joint of screw thread, and spacing two is the font of falling U, the bottom of spacing extends to in the rectangular hole, the bottom of rotating the screw rod passes through the inside of the rotatory fixed connection of screw thread at spanner main part.

The utility model has the advantages as follows:

1. the utility model discloses an adjustable extension device that sets up utilizes to press the hasp and removes the limit state of spread groove and extension strip, recycles the axis of rotation upset and extends the strip to make extension strip upset 180 degrees, stimulate the extension strip backward according to the field usage again, make the slider slide in the spout, thereby adjusting device length is favorable to conveniently adjusting the whole length of spanner, so that reach laborsaving effect and improve its use flexibility.

2. The utility model discloses a spacing connecting device who sets up, it is downthehole to utilize the bottom of spacing two to insert the rectangle respectively, and the screw rod is rotated to the rethread axle is tight, is favorable to increasing the stability when extending the strip and connects and drop with avoiding extending the strip when using.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a rear view structure diagram of the present invention;

FIG. 3 is a schematic view of the connecting groove section structure of the present invention;

fig. 4 is an enlarged schematic structural view at a of fig. 2 of the present invention;

reference numerals: 1. a wrench body; 2. a wrench head; 3. connecting grooves; 4. an adjustable extension device; 401. an extension bar; 402. a rotating shaft; 403. a slider; 5. pressing the lock catch; 6. a limiting connecting device; 601. a second limiting strip; 602. rotating the screw; 7. a rectangular hole; 8. a limiting hole; 9. a first limiting strip; 10. a chute.

Detailed Description

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

As shown in fig. 1, fig. 2, fig. 3, fig. 4, a portable labor saving wrench, including a wrench body 1 and a wrench head 2, the top end of the wrench body 1 is fixedly connected with the wrench head 2 through a screw thread, the two side outer walls of the wrench body 1 are provided with connecting grooves 3, and the inside of the connecting grooves 3 is movably connected with an adjustable extension device 4, the two side outer walls of the wrench body 1 are movably connected with a pressing latch 5, and the bottom end of the pressing latch 5 is located at the inside front side of the connecting grooves 3, the front side of the top end of the wrench body 1 is fixedly connected with a limiting connection device 6, in some embodiments, the whole length of the wrench is favorably adjusted, so as to achieve a labor saving effect and improve the use flexibility of the wrench, the flexibility of the device during use is enhanced, more specifically, the limiting state of the connecting grooves 3 and the extension strips 401 is released by pressing the latch 5, the extension strips 401 are overturned through a rotation shaft 402, so as to turn over 180 degrees, the extension strips 401 are pulled backwards according to the field use situation, at this time, a sliding block 403 slides in a sliding groove 10, so as to adjust the length of the device, after the adjustment, the first limit strips 9 are inserted into the second limiting holes 601, the second rectangular shaft 601, and then the screw is tightened.

As shown in fig. 3, in some embodiments, the adjustable extension device 4 includes an extension bar 401, a rotation shaft 402 and a sliding block 403, the rotation shaft 402 is fixedly connected to the top end of the extension bar 401, and the sliding block 403 is movably connected to both the upper end and the lower end of the rotation shaft 402, more specifically, the extension bar 401 is turned over by the rotation shaft 402, and the extension length is adjusted by the sliding block 403, which is beneficial to adjusting the overall length of the wrench, so as to achieve the labor saving effect and improve the flexibility of the wrench.

As shown in fig. 3, in some embodiments, the rear side of the top end of the extension bar 401 is provided with a plurality of rectangular holes 7, the end of the extension bar 401 far away from the rectangular holes 7 is provided with a limiting hole 8, the inside of the limiting hole 8 is movably connected with a limiting bar one 9, and the limiting bar one 9 is U-shaped, and more specifically, the limiting bar one 9 is inserted into the limiting hole 8, which is beneficial to improving the prevention of shaking and hand clamping of the extension bar 401 during use.

As shown in fig. 3, in some embodiments, a set of slide grooves 10 that are symmetric to each other is disposed at the rear side of the inside of the connection groove 3, the longitudinal section of each slide groove 10 is T-shaped, the slide grooves 10 are adapted to the slide block 403, and the extension bar 401 and the connection groove 3 form an overturning sliding adjustment structure through the connection shaft and the slide block 403, and more specifically, the slide block 403 slides in the slide grooves 10, which is beneficial to facilitating the length adjustment of the extension bar 401.

As shown in fig. 3, in some embodiments, the limiting hole 8 is adapted to the pressing lock catch 5, the extending strip 401 is adapted to the connecting groove 3, and the extending strip 401 forms a limiting and contracting structure with the connecting groove 3 through the limiting hole 8 and the pressing lock catch 5, and more specifically, the limiting hole 8 is limited by the pressing lock catch 5, so that the limiting and contracting structure is beneficial to being collected when the device is not used, and is convenient to carry.

As shown in fig. 4, in some embodiments, the limiting connection device 6 includes a second limiting strip 601 and a rotating screw 602, the top end of the second limiting strip 601 is movably connected with the rotating screw 602 through thread rotation, and the second limiting strip 601 is in an inverted U shape, the bottom end of the limiting strip extends into the rectangular hole 7, the bottom end of the rotating screw 602 is fixedly connected inside the wrench body 1 through thread rotation, and more specifically, the bottom ends of the second limiting strip 601 are respectively inserted into the rectangular hole 7, and then the rotating screw 602 is tightened, which is beneficial to increasing the stability of the extension strip 401 during use and avoiding the extension strip 401 from being connected and falling off during use.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a portable laborsaving spanner, includes spanner main part (1) and wrench end (2), its characterized in that, the top of spanner main part (1) is through screw thread rotation fixedly connected with wrench end (2), spread groove (3) have been seted up to the both sides outer wall of spanner main part (1), and the inside swing joint of spread groove (3) has adjustable extension device (4), the both sides outer wall swing joint of spanner main part (1) has and presses hasp (5), and presses the bottom of hasp (5) and be located the inside front side of spread groove (3), spanner main part (1) top front side fixedly connected with limit connection device (6).

2. A portable power saving wrench as claimed in claim 1, wherein the adjustable extension means (4) comprises an extension bar (401), a rotation shaft (402) and a sliding block (403), the rotation shaft (402) is fixedly connected to the top end of the extension bar (401), and the sliding block (403) is movably connected to both the upper end and the lower end of the rotation shaft (402).

3. The portable labor-saving wrench as claimed in claim 2, wherein the rear side of the top end of the extension bar (401) is provided with a plurality of rectangular holes (7), the end of the extension bar (401) far away from the rectangular holes (7) is provided with a limiting hole (8), the limiting hole (8) is movably connected with a first limiting bar (9), and the first limiting bar (9) is U-shaped.

4. The portable labor-saving wrench according to claim 2, wherein a set of slide grooves (10) which are symmetrical to each other for appreciation are formed in the rear side of the inside of the connecting groove (3), the longitudinal section of each slide groove (10) is T-shaped, the slide grooves (10) are matched with the sliding blocks (403), and the extending strips (401) and the connecting groove (3) form an overturning and sliding adjusting structure through the connecting shafts and the sliding blocks (403).

5. A portable labor-saving wrench as claimed in claim 3, wherein the limiting hole (8) is adapted to the pressing lock (5), the extension bar (401) is adapted to the connecting groove (3), and the extension bar (401) forms a limiting and contracting structure with the connecting groove (3) through the limiting hole (8) and the pressing lock (5).

6. The portable labor-saving wrench as claimed in claim 1, wherein the limit connecting device (6) comprises a second limit strip (601) and a rotating screw (602), the top end of the second limit strip (601) is movably connected with the rotating screw (602) through thread rotation, the second limit strip (601) is in an inverted U shape, the bottom end of the limit strip extends into the rectangular hole (7), and the bottom end of the rotating screw (602) is fixedly connected inside the wrench body (1) through thread rotation.