Connecting structure capable of converting hacksaw into independent hand saw
By designing a hacksaw connection structure that can be converted into a separate hand saw, the problem of limited use range when using auxiliary hand saws is solved, and the flexible use and efficient performance of hacksaws in different situations is achieved.
Patent Information
- Application Number
- CN202420199334.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-28
- Publication Date
- 2025-02-14
- Estimated Expiration
- 2034-01-28
AI Technical Summary
When using auxiliary hand saws, the device cannot meet the needs of users and the scope of use is relatively limited.
Design a connection structure that can be converted into a single hand saw, including a hacksaw handle, a hand saw assembly, a telescopic assembly and a press assembly. Through the combination of these components, the hacksaw can be converted into a hand saw to adapt to different usage conditions.
It realizes the flexibility of hacksaws in different usage situations, reduces the user's strength needs, and improves the performance and work efficiency of hacksaws.
Smart Images
Figure CN222470933U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of hacksaws, and in particular to a connection structure in which a hacksaw can be converted into a separate hand saw. Background Art
[0002] A hacksaw is a common tool for fitters. It can cut smaller-sized round steel, angle steel, flat steel and workpieces, etc. It consists of a saw frame (commonly known as a saw bow) and a saw blade. When in use, the saw blade is installed on the saw frame. Generally, the saw blade is installed with the tooth tip facing forward. However, if you find that it is easy to adze the teeth during use, install it with the tooth tip facing towards you. This can alleviate the adze teeth and extend the service life of the saw blade.
[0003] A Chinese patent discloses a connection structure that can convert a hacksaw into a separate hand saw. The publication number is . The article proposes "a hacksaw, belonging to the technical field of mechanical manufacturing tools, which solves the problem that the existing hacksaw is inconvenient to replace the saw blade and has a low service life. The hacksaw includes a crossbar, and the left and right ends of the crossbar are respectively connected to a connecting head and a handle, and the two are arranged on the same side. The connecting head is provided with a clip for installing the saw blade. The hacksaw also includes a long pull rod, the middle part of the pull rod is hinged with the handle, and the lower end of the pull rod is provided with a clip for installing the saw blade corresponding to the clip. The upper end of the pull rod is provided with a bent extension section, the extension section is located above the crossbar, and the end of the extension section is provided with a bent extension section. A distance adjusting device for adjusting the distance between the extension section and the cross bar is also provided between the cross bar. The hacksaw has the advantages of simple structure, convenience and practicality, and greatly facilitates the installation of the saw blade. The above utility model has a relatively simple structure, which facilitates the user to install the hacksaw to a certain extent. At the same time, the distance between the upper cross bars between the saw blades can be adjusted according to the needs of the user, thereby improving the practical efficiency of the hacksaw. However, the use scope of the hacksaw is relatively limited. When the user needs to use an auxiliary hand saw for actual operation, the device cannot meet the user's use needs. Therefore, it is very necessary to design a connection structure that can convert the hacksaw into a separate hand saw. Utility Model Content
[0004] The purpose of the utility model is to provide a connection structure that can convert a hacksaw into a separate hand saw, thereby solving the problem in the related art that the use scope of the hacksaw is relatively limited and when the user needs to use an auxiliary hand saw for practical operation, the device cannot meet the user's usage needs.
[0005] The technical solution of the utility model is as follows:
[0006] A connection structure that can be converted into a separate hand saw, comprising a hacksaw handle, a first hand-fitting arc being fixedly connected to the outer wall of the lower end of the hacksaw handle, a placement component being arranged inside the hacksaw handle, a hand saw component being arranged above the first hand-fitting arc, telescopic components being arranged at the lower ends of both sides of the hacksaw handle, pressing components being arranged inside the two telescopic components, the placement component comprising a placement slot penetrating through the right wall of the hacksaw handle, two reinforcement holes being penetrating through the front and rear walls of the placement slot, the two reinforcement holes being staggeredly distributed on the two walls of the placement slot, and first fixing screws being fixedly connected inside the two reinforcement holes.
[0007] Preferably, the hand saw assembly comprises a hand saw blade engaged in the placement slot, and the right end of the hand saw blade is fixedly connected to a hand saw mounting seat.
[0008] Preferably, the hand saw assembly further comprises a hand handle fixedly connected to the lower right end of the hand saw mounting base, and a second hand fitting arc is fixedly connected to the left outer wall of the hand handle.
[0009] Preferably, the two telescopic assemblies each include a telescopic sleeve fixedly connected to the lower end of the hacksaw handle, and a plurality of engaging holes are formed through the inner sides of the front and rear walls of the two telescopic sleeves.
[0010] Preferably, the two telescopic assemblies also include a plurality of first fixing holes extending through the outer sides of the front and rear walls of the telescopic sleeve, and the inner walls of the two telescopic sleeves are slidably connected with telescopic rods.
[0011] Preferably, the two pressing assemblies each include a limiting hole extending through the inner side of the front wall of the telescopic rod, the inner walls of the two limiting holes are fixedly connected to the limiting rod, the outer walls of the two limiting rods are slidably connected to a pressing sleeve, the outer walls of one side of the two pressing sleeves are fixedly connected to a plurality of springs, and the other end of each of the springs is fixedly connected to the inner wall of the limiting hole.
[0012] Preferably, a second fixing hole is formed through the outer side of the outer wall of the two telescopic rods, and the inner wall of each of the second fixing holes is threadedly connected with a second fixing screw, and each of the second fixing screws is threadedly connected to the inner wall of the first fixing hole.
[0013] Preferably, the lower ends of the two telescopic rods are fixedly connected to a hacksaw mounting seat, and a hacksaw blade is fixedly connected between the two hacksaw mounting seats.
[0014] Beneficial effects of the utility model:
[0015] 1. This makes it convenient for the user to cut vertically with a hacksaw. By holding the hacksaw handle, the user's finger part is aligned with the first hand fitting arc, and the blade part of the hacksaw blade is perpendicular to the problem, so that the user can better exert force. At the same time, when the user needs to cut the object at an angle, the user's finger part is aligned with the second hand fitting arc by holding the handle, and then the blade part of the hacksaw blade is aligned with the object to cut. This allows the user to use the hacksaw in more different situations, so that the user can cut with less force in this situation, while improving the performance of the hacksaw and saving the user's physical strength. At the same time, when the user needs a hand saw for assistance, the first fixing screw is removed, and then the hand saw blade is pulled out of the placement slot for use. This is convenient for the user to use, and at the same time the device achieves the effect of one object for multiple uses, improves the practical performance of the device, and thus improves the work efficiency of the user. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.
[0017] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;
[0018] Figure 2 This is a schematic diagram showing the three-dimensional structure of the utility model from the front view of the parts;
[0019] Figure 3 This is a three-dimensional schematic diagram of the hand saw assembly of the utility model structure;
[0020] Figure 4 This is a schematic diagram of the three-dimensional structure of the hacksaw blade of the utility model;
[0021] Figure 5 For this utility model Figure 2 The enlarged structural diagram at A in the middle;
[0022] Figure 6 For this utility model Figure 4 The enlarged structural diagram at B in the middle;
[0023] Figure 7 For this utility model Figure 4 The enlarged structural diagram at C in the middle;
[0024] In the figure: 1. hacksaw handle; 2. first hand fitting arc; 3. placement component; 301. placement slot; 302. reinforcement hole; 303. first fixing screw; 4. hand saw component; 401. hand saw blade; 402. hand saw mounting seat; 403. hand handle; 404. second hand fitting arc; 5. telescopic component; 501. telescopic sleeve; 502. engaging hole; 503. first fixing hole; 504. telescopic rod; 6. pressing component; 601. limiting hole; 602. limiting rod; 603. pressing sleeve; 604. spring; 7. second fixing hole; 8. second fixing screw; 9. hacksaw mounting seat; 10. hacksaw blade. DETAILED DESCRIPTION
[0025] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0026] like Figure 1-6 As shown, the present embodiment proposes a connection structure that a hacksaw can be converted into a separate hand saw, comprising a hacksaw handle 1, the lower end outer wall of the hacksaw handle 1 is fixedly connected with a first hand fitting arc 2, a placement component 3 is arranged inside the hacksaw handle 1, a hand saw component 4 is arranged above the first hand fitting arc 2, telescopic components 5 are arranged at the lower ends of both sides of the hacksaw handle 1, and pressing components 6 are arranged inside the two telescopic components 5, the placement component 3 comprises a placement groove 301 penetrating through the right wall of the hacksaw handle 1, the front and rear walls of the placement groove 301 are penetrating through two reinforcement holes 302, the two reinforcement holes 302 are staggeredly distributed on the two walls of the placement groove 301, the insides of the two reinforcement holes 302 are fixedly connected with a first fixing screw 303, the hand saw component 4 comprises a hand saw blade 401 engaged with the inside of the placement groove 301, and the right end of the hand saw blade 401 is fixedly connected There is a hand saw mounting seat 402, and the hand saw assembly 4 also includes a hand handle 403 fixedly connected to the lower end of the right side of the hand saw mounting seat 402, and the left outer wall of the hand handle 403 is fixedly connected to the second hand fitting arc 404. When the user uses the hacksaw, by holding the hacksaw handle 1, the user's finger part fits with the first hand fitting arc 2 to increase the comfort of the user's hand. At the same time, an installation port is provided on the inner side of the hacksaw mounting seat 9 to facilitate the user to replace the hacksaw blade 10, and at the same time enable the user's hand to better use the hand strength. At the same time, when the user uses the hand saw, by holding the hand handle 403, the user's finger part fits with the second hand fitting arc 404 to facilitate the user to better use the hand strength. At the same time, an installation port is provided on the hand saw mounting seat 402 to facilitate the user to replace the hand saw blade 401.
[0027] like Figure 1-7 As shown, the two telescopic components 5 each include a telescopic sleeve 501 fixedly connected to the lower end of the hacksaw handle 1, and the inner sides of the front and rear walls of the two telescopic sleeves 501 are penetrated with a plurality of engaging holes 502. The telescopic components 5 each also include a plurality of first fixing holes 503 penetrated and opened on the outer sides of the front and rear walls of the telescopic sleeve 501. The inner walls of the two telescopic sleeves 501 are slidably connected with a telescopic rod 504. The two pressing components 6 each include a limiting hole 601 penetrated and opened on the inner side of the front wall of the telescopic rod 504. The inner walls of the two limiting holes 601 are fixedly connected to the limiting rod 602, and the outer walls of the two limiting rods 602 are A pressing sleeve 603 is slidably connected, and a plurality of springs 604 are fixedly connected to the outer wall of one side of the two pressing sleeves 603, and the other end of each spring 604 is fixedly connected to the inner wall of the limiting hole 601. The outer side of the outer wall of the two telescopic rods 504 is penetrated by a second fixing hole 7, and the inner wall of each second fixing hole 7 is threadedly connected to a second fixing screw 8, and each second fixing screw 8 is threadedly connected to the inner wall of the first fixing hole 503. The lower ends of the two telescopic rods 504 are fixedly connected to a hacksaw mounting seat 9, and a hacksaw blade 10 is fixedly connected between the two hacksaw mounting seats 9. When the user extends When the distance between the hacksaw blade 10 and the hacksaw handle 1 is reduced, the second fixing screws 8 on the telescopic sleeves 501 at the lower ends of both sides of the hacksaw handle 1 are first removed, and then the pressing sleeves 603 on both sides are pressed to make the pressing sleeves 603 begin to squeeze the spring 604, and at the same time, the pressing sleeve 603 slides along the limiting rod 602 to the inner bottom end of the limiting hole 601, so that the pressing sleeve 603 enters the limiting hole 601, and at the same time, the head of the pressing sleeve 603 is flush with the limiting hole 601. At this time, the telescopic rod 504 is moved downward for a distance so that the pressing sleeve 603 encounters the next engaging hole 502 of the telescopic sleeve 501. , the pressing sleeve 603 loses the balance of pressure, and the head of the pressing sleeve 603 enters the inside of the engaging hole 502 under the elastic force of the spring 604, and is engaged in the engaging hole 502. At this time, the second fixing screw 8 enters from the first fixing hole 503 on the front wall of the telescopic sleeve 501 through the second fixing screw 8, and passes through the second fixing hole 7 on the telescopic rod 504, and then passes through the first fixing hole 503 on the rear wall of the telescopic sleeve 501, and then fixes it with a threaded sleeve, so that the telescopic sleeve 501 and the telescopic rod 504 are fixed, and then the distance between the hacksaw blade 10 and the hacksaw handle 1 is adjusted.
[0028] In this embodiment, when in use, the first fixing screw 303 is first removed by rotating, and then the hand saw blade 401 is taken out from the placement slot 301 by holding the hand handle 403, so that the hand saw can be used for work. When the user finishes using the hand saw, the hand handle 403 is first held to align the hand saw blade 401 with the placement slot 301, and the hand saw blade 401 is inserted into the placement slot 301 by sliding to the left, so that the left wall of the hand saw mounting seat 402 is in contact with the right wall of the hacksaw handle 1, Then put the first fixing screw 303 into the reinforcement hole 302 on the front wall of the placement slot 301, and pass through the small hole on the hand saw blade 401 through the reinforcement hole 302, and then pass through the reinforcement hole 302 on the rear wall of the placement slot 301, and then rotate the fixing thread sleeve through the thread and fix it to the outer wall of the first fixing screw 303, so that the placement slot 301 and the hand saw blade 401 are fixed together through the first fixing screw 303, and then the user fixes another first fixing screw 303 in the above manner.
[0029] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A connection structure for converting a hacksaw into a separate hand saw, comprising a hacksaw handle (1), characterized in that: The lower end outer wall of the hacksaw handle (1) is fixedly connected to a first hand fitting arc (2); a placement component (3) is arranged inside the hacksaw handle (1); a hand saw component (4) is arranged above the first hand fitting arc (2); telescopic components (5) are arranged at the lower ends of both sides of the hacksaw handle (1); and pressing components (6) are arranged inside the two telescopic components (5); The placement component (3) comprises a placement slot (301) extending through the right wall of the hacksaw handle (1), two reinforcement holes (302) extending through the front and rear walls of the placement slot (301), the two reinforcement holes (302) being staggeredly distributed on the two walls of the placement slot (301), and the interiors of the two reinforcement holes (302) being fixedly connected with a first fixing screw (303).
2. The connection structure of a hacksaw that can be converted into a separate hand saw according to claim 1, characterized in that: The hand saw assembly (4) comprises a hand saw blade (401) which is engaged in the placement groove (301), and the right end of the hand saw blade (401) is fixedly connected to a hand saw mounting seat (402).
3. The connection structure of a hacksaw that can be converted into a separate hand saw according to claim 2, characterized in that: The hand saw assembly (4) further comprises a hand handle (403) fixedly connected to the lower right end of the hand saw mounting seat (402), and a second hand fitting arc (404) is fixedly connected to the left outer wall of the hand handle (403).
4. The connection structure of a hacksaw that can be converted into a separate hand saw according to claim 1, characterized in that: The two telescopic assemblies (5) each comprise a telescopic sleeve (501) fixedly connected to the lower end of the hacksaw handle (1), and a plurality of engaging holes (502) are provided through the front and rear walls on the left sides of the two telescopic sleeves (501).
5. The connection structure of a hacksaw that can be converted into a separate hand saw according to claim 4, characterized in that: The two telescopic components (5) also include a plurality of first fixing holes (503) penetrating the inner sides of the front and rear walls of the telescopic sleeve (501), and the inner walls of the two telescopic sleeves (501) are slidably connected with telescopic rods (504).
6. The connection structure of a hacksaw that can be converted into a separate hand saw according to claim 5, characterized in that: The two pressing assemblies (6) each comprise a limiting hole (601) extending through the inner side of the front wall of the telescopic rod (504); the inner walls of the two limiting holes (601) are fixedly connected to the limiting rod (602); the outer walls of the two limiting rods (602) are slidably connected to a pressing sleeve (603); the outer walls of one side of the two pressing sleeves (603) are fixedly connected to a plurality of springs (604); the other end of each spring (604) is fixedly connected to the inner wall of the limiting hole (601).
7. The connection structure of a hacksaw that can be converted into a separate hand saw according to claim 5, characterized in that: A second fixing hole (7) is formed through the outer side of the outer wall of the two telescopic rods (504), and a second fixing screw (8) is threadedly connected to the inner wall of each of the second fixing holes (7), and each of the second fixing screws (8) is threadedly connected to the inner wall of the first fixing hole (503).
8. The connection structure of a hacksaw that can be converted into a separate hand saw according to claim 5, characterized in that: The lower ends of the two telescopic rods (504) are fixedly connected to a hacksaw mounting seat (9), and a hacksaw blade (10) is fixedly connected between the two hacksaw mounting seats (9).