CN211993351U

CN211993351U - Sweep-saw convenient to centre gripping

Info

Publication number: CN211993351U
Application number: CN202020406652.6U
Authority: CN
Inventors: 李坤宏
Original assignee: Chongqing Industry Polytechnic College
Current assignee: Chongqing Industry Polytechnic College
Priority date: 2020-03-26
Filing date: 2020-03-26
Publication date: 2020-11-24
Anticipated expiration: 2030-03-26

Abstract

The utility model discloses a jig saw convenient for clamping, which comprises a handle, a first saw support and a second saw support, wherein the first saw support is installed at one end of the handle in a threaded manner, one side of the upper end of the second saw support is provided with a groove, the upper end of the groove is movably provided with two anti-skidding metal sheets, the bottom end of the second saw support is positioned below the groove and is provided with a fastening bolt in a sliding manner, and the top end of the fastening bolt sequentially runs through the groove and two of the grooves are provided with fastening nuts through the anti-skidding metal sheets and the threads; the utility model discloses an antiskid sheetmetal of installation compresses tightly the saw blade through antiskid sheetmetal for the saw blade is big by the clamping area, and locking is difficult for droing, avoids appearing the not hard up or the condition that drops of saw blade in the use, has guaranteed the result of use of this sweep saw, and flat, spiral, the equal centre gripping of circular saw blade have improved the application range of this sweep saw.

Description

Sweep-saw convenient to centre gripping

Technical Field

The utility model relates to a sweep-saw technical field specifically is a sweep-saw convenient to centre gripping.

Background

With the continuous development of economy and the continuous improvement of living standard of people in China, the consumption concept and the consumption standard of people are greatly changed and improved. Under this opportunity, the woodworking tool industry has also been rapidly developed. And China is a big population country, and with the development of urbanization, a large number of rural people are rushed into cities, which inevitably leads to the pressure of urban housing, thereby promoting the development of home manufacturing industry. The contradiction between building and decoration is very prominent. This naturally drives the "high salary" of the wood industry to emerge as the contradiction continues to deepen. Therefore, the woodworking industry will be one of the industries with development potential that is overlooked by people.

Now that the decoration industry has such a good prospect at present, the attraction to talents in related industries is brought forward, and the development of industries related to decoration is promoted while the industry is started, for example, carpenter masters, handicraft enthusiasts, furniture industries and the like in the same industry are increased, so that the demand of the market for tools required by the industries is directly increased, and the curve saw is particularly important; the jig saw is mainly applied to woodworking manufacturing, product prototype manufacturing, handicraft manufacturing and the like, is a special tool for professionals such as product design professionals, furniture manufacturing professionals and model manufacturing professionals, has large market demand, provides great convenience and operability for the jig saw in the manufacturing process of the handicraft, and brings high-quality use experience for users.

However, most of curve saws in the market have single functionality and are inconvenient to use, when a saw blade is fixed by a traditional curve saw, a 4mm screw is usually adopted for clamping the top of the curve saw, the contact area is small, particularly, a spiral saw blade has no pressing friction force, the phenomenon that the saw blade is loosened by using the saw blade can occur, and the traditional curve saw adopts a wood handle to be directly connected and is easy to fall off, and the wood handle has poor consistency and is easy to be exposed to the sun and crack, so that the normal use of people is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sweep-saw convenient to centre gripping to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a sweep-saw convenient to centre gripping, includes handle, a saw props and No. two saws prop, a saw props the screw thread and installs in handle one end, No. two saws prop upper end one side and seted up flutedly, recess upper end movable mounting has anti-skidding sheetmetal, and anti-skidding sheetmetal is equipped with two, No. two saws prop bottom position in recess below department slidable mounting and have fastening bolt, the fastening bolt top runs through recess and wherein two in proper order anti-skidding sheetmetal and threaded mounting have fastening nut, a saw props and props the structure unanimity with No. two saws, a saw props and props fixedly connected with saw blade between the structure with No. two saws.

Preferably, a thread groove is formed in the surface of one end of the handle, and one end of the first saw support is fixedly connected with a threaded rod matched with the thread groove.

Preferably, a saw props one side fixedly connected with bracing piece, bracing piece one end fixedly connected with sliding sleeve, No. two saws prop one side fixedly connected with saw pole, the one end that No. two saws propped was kept away from to the saw pole runs through the sliding sleeve and extends to sliding sleeve one side, sliding sleeve top threaded connection has the fastening preforming, the fastening preforming bottom runs through the sliding sleeve and extends to the saw pole surface.

Preferably, two ends of the saw blade are respectively positioned between the two anti-skid metal sheets.

Preferably, the surface of the anti-skid metal sheet is provided with anti-skid stripes.

Preferably, the saw bar is connected with the sliding sleeve in a sliding mode.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an antiskid sheetmetal of installation, when the in-service use, compress tightly the saw blade through antiskid sheetmetal for the saw blade is big by the clamping area, and locking is difficult for droing, avoids appearing the not hard up or the condition that drops of saw blade in the use, has guaranteed the result of use of this jig saw, and flat, spiral, the equal centre gripping of circular saw blade have improved the application range of this jig saw.

2. The utility model discloses a prop threaded connection with handle and saw for the saw props and adopts the screw thread mode to connect with the handle, and safe and reliable makes things convenient for people's dismantlement and installation, has improved the convenience of using.

Drawings

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

fig. 2 is a side view of the present invention;

FIG. 3 is a schematic view of the structure of the handle and the first saw support of the present invention;

fig. 4 is a schematic view of the second saw support structure of the present invention.

In the figure: 1-a handle; 2-a saw support; 3-second saw support; 4-a saw bar; 5, sliding sleeve; 6-fastening the pressing sheet; 7-a support bar; 8-saw blade; 9-a threaded rod; 10-thread groove; 11-a groove; 12-a fastening nut; 13-fastening bolts; 14-anti-slip metal sheet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a sweep-saw convenient to centre gripping, includes that handle 1, a saw prop 2 and No. two saws prop 3, a saw props 2 screw thread installations in 1 one end of handle, No. two saws prop 3 upper end one sides and seted up recess 11, recess 11 upper end movable mounting has anti-skidding sheetmetal 14, and anti-skidding sheetmetal 14 is equipped with two, No. two saws prop 3 bottoms and locate slidable mounting at recess 11 below and have fastening bolt 13, fastening bolt 13 tops run through recess 11 and wherein two in proper order anti-skidding sheetmetal 14 and threaded mounting have fastening nut 12, a saw props 2 and No. two saws and props 3 consistent structures, a saw props fixedly connected with saw blade 8 between 2 and No. two saws prop 3.

Further, firstly, the fastening nut 12 is unscrewed, so that a gap enough for inserting the saw blade 8 is reserved between the two anti-skidding metal sheets 14, then the saw blade 8 is inserted between the two anti-skidding metal sheets 14, finally the fastening nut 12 is screwed, so that the gap between the two anti-skidding metal sheets 14 is reduced, the saw blade 8 can be tightly pressed through the anti-skidding metal sheets 14, the saw blade 8 is large in clamping area, locking is not easy to fall off, the condition that the saw blade is loosened or falls off in the using process is avoided, the using effect of the curve saw is ensured, and the curve saw is flat, spiral and circular saw blades can be clamped, and the using range of the curve saw is improved.

The surface of one end of the handle 1 is provided with a thread groove 10, and one end of the first saw support 2 is fixedly connected with a threaded rod 9 matched with the thread groove 10.

Further, when dismantling this jig saw, rotatable handle 1 then can rotate out the threaded rod 9 of a saw brace 2 one end from the thread groove 10 of handle 1 one end, then can carry out the split between handle 1 and the saw brace 2, when assembling, with threaded rod 9 change over to in the thread groove 10 can for the saw brace adopts the threaded connection with the handle, safe and reliable makes things convenient for people's dismantlement and installation, has improved the convenience of using.

Wherein, 2 one side fixedly connected with bracing piece 7 are propped to a saw, bracing piece 7 one end fixedly connected with sliding sleeve 5, 3 one side fixedly connected with saw pole 4 are propped to No. two saws, the one end that saw pole 4 kept away from No. two saws and propped 3 runs through sliding sleeve 5 and extends to sliding sleeve 5 one side, 5 top threaded connection of sliding sleeve have fastening preforming 6, 6 bottoms of fastening preforming run through sliding sleeve 5 and extend to the surface of saw pole 4.

Further, when the distance between 2 and No. two saw props 3 needs to be adjusted, only need to unscrew fastening preforming 6 on the sliding sleeve 5, make the bottom of fastening preforming 6 break away from the saw pole 4, can promote saw pole 4 and slide in sliding sleeve 5, then can adjust the distance between 2 and No. two saw props 3, after the distance adjustment is accomplished, again with fastening preforming 6 screw up, make and contact between the bottom of fastening preforming 6 and the saw pole 4, then can fix saw pole 4 inside sliding sleeve 5.

Wherein, the two ends of the saw blade 8 are respectively positioned between the two anti-slip metal sheets 14.

Wherein, the surface of the anti-skid metal sheet 14 is provided with anti-skid stripes.

Further, the friction force between the saw blade 8 and the nonslip metal piece 14 can be increased.

Wherein, the saw rod 4 is connected with the sliding sleeve 5 in a sliding way.

The working principle is as follows: when using, at first unscrew fastening nut 12, make leave the clearance that enough inserted saw blade 8 between two anti-skidding sheetmetals 14, then insert saw blade 8 between two anti-skidding sheetmetals 14 again, at last tighten fastening nut 12 again, make the clearance between two anti-skidding sheetmetals 14 diminish, then can compress tightly saw blade 8 through anti-skidding sheetmetal 14, it is big to make saw blade 8 by clamping area, the locking is difficult for droing, avoid appearing the not hard up or the condition that drops of saw blade in the use, then it can use to hold handle 1.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a sweep-saw convenient to centre gripping, includes handle (1), a saw props (2) and No. two saws props (3), a saw props (2) screw thread installation in handle (1) one end, its characterized in that: no. two saws prop (3) upper end one side and set up fluted (11), recess (11) upper end movable mounting has anti-skidding sheetmetal (14), and anti-skidding sheetmetal (14) are equipped with two, No. two saws prop (3) bottom and are located recess (11) below department slidable mounting and have fastening bolt (13), fastening bolt (13) top runs through recess (11) and wherein two in proper order anti-skidding sheetmetal (14) and threaded mounting have fastening nut (12), a saw props (2) and props (3) structure unanimous with No. two saws, a saw props (2) and does not prop fixedly connected with saw blade (8) between (3) with No. two saws.

2. A jig saw for facilitating clamping as defined in claim 1, wherein: threaded groove (10) have been seted up on handle (1) one end surface, one saw props (2) one end fixedly connected with and threaded rod (9) with threaded groove (10) assorted.

3. A jig saw for facilitating clamping as defined in claim 1, wherein: one saw props (2) one side fixedly connected with bracing piece (7), bracing piece (7) one end fixedly connected with sliding sleeve (5), No. two saws prop (3) one side fixedly connected with saw bar (4), the one end that No. two saws prop (3) are kept away from in saw bar (4) runs through sliding sleeve (5) and extends to sliding sleeve (5) one side, sliding sleeve (5) top threaded connection has fastening preforming (6), sliding sleeve (5) and extension to saw bar (4) surface are run through to fastening preforming (6) bottom.

4. A jig saw for facilitating clamping as defined in claim 1, wherein: two ends of the saw blade (8) are respectively positioned between the two anti-skidding metal sheets (14).

5. A jig saw for facilitating clamping as defined in claim 1, wherein: the surface of the anti-skid metal sheet (14) is provided with anti-skid stripes.

6. A jig saw as claimed in claim 3, wherein: the saw rod (4) is connected with the sliding sleeve (5) in a sliding manner.