CN216372579U

CN216372579U - Handsaw that construction was used

Info

Publication number: CN216372579U
Application number: CN202122920444.5U
Authority: CN
Inventors: 高勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-04-26
Anticipated expiration: 2031-11-26

Abstract

The utility model discloses a handsaw for building construction, which comprises a rope saw and a bracket, wherein a mounting pipe for penetrating through the rope saw is arranged at the bottom of the left end of the bracket, a screw for fixing the rope saw is screwed into the outer wall of the mounting pipe, an L-shaped mounting frame is arranged at the bottom of the bracket, a winding device is mounted through the mounting frame, the end of the rope saw, far away from the mounting pipe, is wound on the winding device, and the part of the rope saw, positioned on the mounting pipe and the winding device, is tightened; this device is in practical application, and the rope saw can be followed the mouth of pipe of installation pipe and outwards pulled out, after the use part wearing and tearing of rope saw, unscrew screw and first screw, pull out the rope saw to the left side, and unnecessary part is sheared, screws again, then tightens up take-up device, and the rethread first screw locks, can saw cut, and whole change convenience more has just removed the cracked risk of saw blade among the traditional art from.

Description

Handsaw that construction was used

Technical Field

The utility model relates to a handsaw for building construction.

Background

In the building engineering work progress, especially carpentry operation needs frequent use handsaw, and traditional handsaw mainly is leading to the saw blade handsaw, and the rate of wear of saw blade handsaw is very fast, needs frequent change saw blade, and owing to the relative not hard up of installation, leads to the saw blade to take place to rock at the in-process that saw cuts, consequently, the handsaw of this kind of structure, the cracked frequency of its saw blade is very high, causes danger not to say, changes also comparatively loaded down with trivial details.

Therefore, the hand saw for building construction, which can replace the worn part quickly, is designed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a hand saw for building construction, which can quickly replace a worn part.

In order to solve the problems, the utility model adopts the following technical scheme:

the utility model provides a handsaw that construction was used, includes the rope saw, still includes a support, the left end bottom position department of support is provided with and passes the installation pipe that the rope saw was used, the outer wall department screw in of installation pipe has fixedly the screw that the rope saw was used, the bottom of support is provided with the mounting bracket of L shape, through a coiling device is installed to the mounting bracket, the rope saw is kept away from that one end of installation pipe is convoluteed in on the coiling device, the rope saw is located the installation pipe with that part of coiling device is tightened.

Preferably, the support comprises a movable support and a fixed support, a handle is installed at the right end of the fixed support, a strip-shaped groove is formed in the surface of the fixed support, the strip-shaped groove longitudinally penetrates through the fixed support, more than two bolts are matched between the movable support and the fixed support, the bolts penetrate through the strip-shaped groove, the left end of the movable support is bent downwards, and the installation pipe is installed at the end part of the movable support; the mounting frame is fixedly connected with the fixed support.

Among the above-mentioned technical scheme, can adjust the relative position of fixed bolster and movable support according to the thickness degree of the object of saw cutting, satisfy the saw cutting needs. When the rope saw is adjusted, the rope saw is matched with the winding device to achieve winding and unwinding, so that the rope saw meets the adjustment requirements of the fixed support and the movable support.

Preferably, the handle has a plurality of finger grooves.

The finger groove is arranged, so that the device can be conveniently and better held.

Preferably, the winding device comprises a reel, a shaft rod is fixedly inserted in the axis of the reel, an annular groove for winding the rope saw is formed in the outer wall of the reel, convex pipes are arranged on the front end surface and the rear end surface of the mounting rack, and a notch is formed in the left side of the mounting rack; the reel is installed in the notch, the shaft lever passes through the convex pipes at two ends, and a bearing is matched between the convex pipes, an embedded groove is formed in the inner wall of each convex pipe, a damping ring made of rubber is embedded into the embedded groove, and a first screw which is abutted against the damping ring is screwed into the outer wall of each convex pipe.

In the above-described technique, the position of the reel can be kept fixed by tightening the first screw. The rope saw is kept in a tight state by being matched with the pressing of the screw on the rope saw.

Preferably, the groove width of the annular groove is gradually reduced toward the axial center of the reel.

The utility model has the beneficial effects that:

this device is in practical application, and the rope saw can be followed the mouth of pipe of installation pipe and outwards pulled out, after the use part wearing and tearing of rope saw, unscrew screw and first screw, pull out the rope saw to the left side, and unnecessary part is sheared, screws again, then tightens up take-up device, and the rethread first screw locks, can saw cut, and whole change convenience more has just removed the cracked risk of saw blade among the traditional art from. The structure of this device is comparatively simple, and the cost is comparatively cheap, is fit for using widely.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

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

fig. 2 is a cross-sectional view at a-a.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

In the description of the present invention, it is to be understood that the terms "one end", "the other end", "outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.

Further, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "sleeved," "connected," "penetrating," "plugged," and the like are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1 and 2, the hand saw for building construction includes a rope saw 1 and a support 2, a mounting tube 3 for passing through the rope saw 1 is disposed at a bottom position of a left end of the support 2, a screw 31 for fixing the rope saw 1 is screwed into an outer wall of the mounting tube 3, an L-shaped mounting frame 4 is disposed at a bottom of the support 2, a winding device 5 is mounted through the mounting frame 4, an end of the rope saw 1 away from the mounting tube 3 is wound on the winding device 5, and the rope saw 1 is tightened by the mounting tube 3 and the winding device 5.

In a preferred embodiment of the present invention, the support 2 includes a movable support 21 and a fixed support 22, a handle 23 is installed at the right end of the fixed support 22, a strip-shaped groove 24 is formed on the surface of the fixed support 22, the strip-shaped groove 24 longitudinally penetrates through the

fixed support

22, 2 bolts 25 are fitted between the movable support 21 and the fixed support 22, the bolts 25 penetrate through the strip-shaped groove 24, the left end of the movable support 21 is bent downward, and the installation pipe 3 is installed at the end of the movable support 21; the mounting frame 4 is fixedly connected with the fixed bracket 22.

In a preferred embodiment of the present invention, the handle has a plurality of finger slots 88.

In a preferred embodiment of the present invention, the winding device 5 includes a reel 51, a shaft 52 is fixedly inserted into the axis of the reel 51, an annular groove 53 for winding the rope saw 1 is formed on the outer wall of the reel 51, protruding pipes 441 are respectively disposed on the front and rear end surfaces of the mounting bracket 4, and a notch 442 is formed on the left side of the mounting bracket 4; the reel 51 is installed in the notch 442, the shaft rod 52 passes through the protruding pipes 441 at both ends, a bearing 443 is matched between the shaft rod and the protruding pipes 441, an embedded groove 444 is arranged on the inner wall of the protruding pipe 441, a damping ring 445 made of rubber is embedded in the embedded groove 444, and the damping ring 445 is in transition fit with the shaft rod 52; a first screw 446 is screwed into the outer wall of the male pipe 441 and abuts against the damping ring 445.

In a preferred embodiment of the utility model, the width of the annular groove 53 tapers in the direction of the reel axis.

The utility model has the beneficial effects that:

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the utility model as defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a handsaw that construction used, includes the rope saw, its characterized in that: the rope saw is characterized by further comprising a support, an installation pipe penetrating through the rope saw is arranged at the bottom of the left end of the support, a screw for fixing the rope saw is screwed into the outer wall of the installation pipe, an L-shaped installation frame is arranged at the bottom of the support, a winding device is installed through the installation frame, one end, far away from the installation pipe, of the rope saw is wound on the winding device, and the rope saw is located on the installation pipe and is tightened with the part of the winding device.

2. The hand saw for construction according to claim 1, wherein: the support comprises a movable support and a fixed support, a handle is installed at the right end of the fixed support, a strip-shaped groove is formed in the surface of the fixed support, the strip-shaped groove longitudinally penetrates through the fixed support, more than two bolts are matched between the movable support and the fixed support, the bolts penetrate through the strip-shaped groove, the left end of the movable support is bent downwards, and the installation pipe is installed at the end part of the movable support; the mounting frame is fixedly connected with the fixed support.

3. The hand saw for construction according to claim 2, wherein: the handle has a plurality of finger slots.

4. The hand saw for construction according to claim 1, wherein: the winding device comprises a reel, a shaft rod is fixedly inserted in the axis of the reel, an annular groove for winding the rope saw is formed in the outer wall of the reel, protruding pipes are arranged on the front end face and the rear end face of the mounting rack, and a notch is formed in the left side of the mounting rack; the reel is installed in the notch, the shaft lever passes through the convex pipes at two ends, and a bearing is matched between the convex pipes, an embedded groove is formed in the inner wall of each convex pipe, a damping ring made of rubber is embedded into the embedded groove, and a first screw which is abutted against the damping ring is screwed into the outer wall of each convex pipe.

5. The hand saw for construction according to claim 4, wherein: the groove width of the annular groove is gradually reduced towards the axis direction of the reel.