Folding hand saw structure with replaceable saw blade
By designing a folding hand saw structure with replaceable saw blades, the problems of single saw blade and insufficient locking force are solved, realizing the replaceability of saw blades and improving locking force, thereby improving sawing accuracy and usage flexibility.
Patent Information
- Application Number
- CN202520471081.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-18
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-18
AI Technical Summary
Existing hand saws have single, non-replaceable blades, large gaps between the blades, and insufficient locking force, which affects sawing accuracy and flexibility of use.
A replaceable saw blade folding hand saw was designed, which includes a handle, left indexing seat, right indexing seat, indexing plate, locking bolt, etc. The saw blade is fixed by the locking bolt and indexing plate to ensure the locking force, and different saw blades can be replaced to adapt to different work needs.
It achieves improved saw blade replaceability and locking force, enhancing sawing accuracy and operational flexibility. The structure is rationally designed and safe and reliable.
Smart Images
Figure CN223946952U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a hand saw structure, especially to a replaceable saw blade folding type hand saw structure, which is a tool for hand sawing and is convenient to carry and store. BACKGROUND
[0002] The similar products on the market have the following defects: 1) the saw blade is single and cannot be replaced; 2) the relative fitting gap is large after the saw blade is installed, and the sawing accuracy cannot be ensured; and 3) the designed structure cannot ensure the locking strength of the saw blade.
[0003] Therefore, it is particularly necessary to provide a hand saw structure which has a reasonable structure design, replaceable saw blade, and can ensure the locking strength of the saw blade. SUMMARY
[0004] The utility model discloses a replaceable saw blade folding type hand saw structure which has a simple and reasonable structure design, is safe and reliable, has convenient saw blade replacement, enhances the locking strength, has a wide application range, and meets the use requirement.
[0005] The utility model discloses a replaceable saw blade folding type hand saw structure which has a simple and reasonable structure design, is safe and reliable, has convenient saw blade replacement, enhances the locking strength, has a wide application range, and meets the use requirement.
[0006] As a preferred embodiment, the utility model further includes an upper groove, the index switch is arranged in the upper groove of the index disc, and the left index seat and the right index seat are clamped.
[0007] As a preferred embodiment, the utility model further includes a handle plastic part and a third screw, and the handle plastic part is connected with the handle through the third screw.
[0008] As a preferred embodiment, the utility model further includes a plurality of friction grooves, and the lower end of the handle plastic part is provided with the plurality of friction grooves.
[0009] As a preferred embodiment, the utility model further includes a plurality of gaskets, and the plurality of gaskets are arranged between the first screw and the left index seat; the plurality of gaskets can be sequentially provided with spring gaskets and pressing plate gaskets, so as to prevent the first screw from being loosened from the index disc and play a loosening role.
[0010] As a preferred embodiment, the utility model further includes a second screw, and the handle is connected with the left index seat and the right index seat through the second screw.
[0011] As preferred, the utility model still includes screw four, left index seat and right index seat are connected through screw four.
[0012] Compared with prior art, the utility model has the following advantages and effects: the overall structure is reasonable in design, safe and reliable, by correcting the original locking structure, the application sets locking bolt, index plate and other structures to fix saw blade one, achieves tighter locking force, and eliminates the gap of saw blade; loose locking bolt, increase different degree of saw blade, to adapt to the needs of different operation fields. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is the overall structure schematic diagram of the utility model embodiment.
[0014] Figure 2 It is the structure schematic diagram of the utility model embodiment removing handle plastic piece.
[0015] Figure 3 It is Figure 2 Front view structure schematic diagram in.
[0016] Figure 4 It is Figure 2 Top view structure schematic diagram in.
[0017] Figure 5 It is Figure 2 Side view structure schematic diagram in.
[0018] Figure 6 It is the structure schematic diagram of the utility model embodiment removing handle, handle plastic piece.
[0019] Figure 7 It is Figure 6 Front view structure schematic diagram in.
[0020] Figure 8 It is Figure 6 Rear view structure schematic diagram in.
[0021] Figure 9 It is Figure 6 Left view structure schematic diagram in.
[0022] Figure 10 It is Figure 6 Structure schematic diagram of removing left index seat in.
[0023] Figure 11 It is Figure 6 Rear view solid structure schematic diagram in.
[0024] Figure 12 It is the overall structure schematic diagram of the utility model embodiment Figure 2 .
[0025] Figure 13 is the schematic diagram of the overall structure and the second saw blade required to be replaced in the embodiment of the utility model.
[0026] In the drawing: handle 1, handle plastic part 2, friction groove 3, first saw blade 4, screw three 5, screw one 6, screw two 7, index switch 8, left index seat 9, locking bolt 10, right index seat 11, gasket 12, index disc 13, upper groove 131, spring piece 14, screw four 15, second saw blade 16. DETAILED DESCRIPTION
[0027] The utility model will be further explained in detail below by combining with the drawings and through the embodiment, and the following embodiment is the explanation of the utility model and the utility model is not limited to the following embodiment.
[0028] EMBODIMENT
[0029] Referring to Figures 1 to 13 , the folding type hand saw structure of the embodiment can replace the saw blade and comprises a handle 1, a left index seat 9, a right index seat 11, an index disc 13, a first saw blade 4, an index switch 8, a locking bolt 10, a screw one 6 and a spring piece 14, and the handle 1, the left index seat 9 and the right index seat 11 are connected with each other.
[0030] The first saw blade 4 is arranged on the index disc 13, the right index seat 11 is connected with the index disc 13 and the first saw blade 4 through the locking bolt 10, and the left index seat 9 is connected with the index disc 13 through the screw one 6; the index switch 8 is arranged on the index disc 13, and one end of the index switch 8 is connected with the spring piece 14.
[0031] In the embodiment, the index switch 8 is arranged on the upper groove 131 of the index disc 13 and is clamped through the left index seat 9 and the right index seat 11.
[0032] In the embodiment, the handle plastic part 2 is connected with the handle 1 through the screw three 5, and the lower end of the handle plastic part 2 is provided with a plurality of friction grooves 3.
[0033] In the embodiment, a plurality of gaskets 12 are arranged between the screw one 6 and the left index seat 9, and the handle 1 is connected with the left index seat 9 and the right index seat 11 through the screw two 7.
[0034] In the embodiment, the left index seat 9 and the right index seat 11 are connected through the screw four 15.
[0035] When in use, the first saw blade 4 is arranged in the index disc 13 by operating the index switch 8, the first saw blade 4 is distributed at an angle of 45°, 90°, 135° and 180°, the first saw blade 4 is rotated and selected according to the actual use condition to open different use angles, and the first saw blade 4 can be stored when not in use; different saw blades can be replaced by unscrewing the locking bolt 10 (such as the second saw blade 16 shown in the figure). Figure 13The saw blade 16 shown in FIG. 2 is replaced when it is worn out.
[0036] From the foregoing, one skilled in the art will be able to practice the application.
[0037] In addition, it should be noted that the specific embodiments described in the specification, the shape of the zero, components, the name taken, etc. can be different, the above described in the specification is only an example of the structure of the utility model. Any equivalent changes or simple changes made in accordance with the structure, features and principles described in the utility model patent concept, are included in the protection scope of the utility model patent. The skilled in the art can make various modifications or supplements or adopt similar ways to replace the specific embodiments described, as long as it does not deviate from the structure of the utility model or beyond the scope defined in the claims, should belong to the protection scope of the utility model.
Claims
1. A replaceable blade folding hand saw structure, comprising a handle (1), a left index seat (9) and a right index seat (11), the handle (1), the left index seat (9) and the right index seat (11) are connected with each other, characterized in that: It also includes a protractor (13), a saw blade (4), a protractor switch (8), a locking bolt (10), a screw (6) and a spring sheet (14), the protractor (13) is provided with a saw blade (4), the right protractor seat (11) is connected with the protractor (13) and the saw blade (4) through the locking bolt (10), the left protractor seat (9) is connected with the protractor (13) through the screw (6); the protractor switch (8) is arranged on the protractor (13), one end of the protractor switch (8) is connected with the spring sheet (14).
2. The replaceable blade folding hand saw structure according to claim 1, characterized in that: It also includes an upper groove (131), the protractor switch (8) is arranged in the upper groove (131) of the protractor (13), and is clamped through the left protractor seat (9) and the right protractor seat (11).
3. The replaceable blade folding hand saw structure according to claim 1, characterized in that: It also includes a handle plastic part (2) and a screw (5), the handle plastic part (2) is connected with the handle (1) through the screw (5).
4. The replaceable blade folding hand saw structure according to claim 3, characterized in that: It also includes a plurality of friction grooves (3), the lower end of the handle plastic part (2) is provided with a plurality of friction grooves (3).
5. The replaceable blade folding hand saw structure according to claim 1, wherein: It also includes a plurality of gaskets (12), a plurality of gaskets (12) are arranged between the screw (6) and the left protractor seat (9).
6. The replaceable blade folding hand saw structure according to claim 1, wherein: It also includes a screw (7), the handle (1) is connected with the left protractor seat (9) and the right protractor seat (11) through the screw (7).
7. The replaceable blade folding hand saw structure according to claim 1, wherein: It also includes a screw (15), the left protractor seat (9) and the right protractor seat (11) are connected through the screw (15).