CN219324825U - Electric circular saw hook - Google Patents

Abstract

The utility model discloses an electric circular saw hook which improves the connection firmness, the bearing capacity and the service life and is convenient to use, and the electric circular saw hook comprises a clamp, a hook, a bottom hook and a connector which are arranged on an electric circular saw body; the bottom hook is L-shaped, the transverse end of the bottom hook is inserted into the shell from the side face of the shell of the body, a column casing which is used for accommodating the rotation of the transverse end of the bottom hook is arranged in the shell, and the transverse end of the bottom hook is limited in the column casing through a clamp spring; the connector is cylindrical, the lower end of the hook and the vertical end of the bottom hook are respectively and rotatably connected to two ends of the connector, grooves are formed in the lower end of the hook and the vertical end of the bottom hook, and at least three protrusions which are uniformly arranged and are matched with the grooves radially inwards are arranged at two ends of the connector; the clamping is arranged on the shell, the upper end of the clamping is provided with an opening, and the hook is clamped in the clamping.

Description

Electric circular saw hook

Technical Field

The utility model relates to an electric circular saw for cutting, in particular to a hook arranged on the electric circular saw.

Background

CN 212526296U discloses an electric circular saw with couple, including installing the connecting piece on electric circular saw body, the connecting piece is the bolt, transversely fix on the screw of body, cup joint the adapter sleeve rather than the vertically on the connecting piece, open on the connection piece of adapter sleeve lower extreme has the through-hole, the connecting piece passes the through-hole of connection piece, the adapter sleeve can rotate around the connecting piece, the couple lower extreme cover is established in the adapter sleeve, the adapter sleeve is arc structure and opening one side is equipped with the stopper, inlay in the spacing groove of couple lower extreme through the stopper, realize the couple and the connection of adapter sleeve and couple can rotate in the adapter sleeve, so realize that the couple rotates round two directions, because electric circular saw's gravity effect during hanging, the stress point just concentrates in two places, one is the stopper of adapter sleeve and the spacing groove department atress of couple lower extreme, another department is the contact position of connection piece and connecting piece (i.e. bolt), the stress area of connection piece department is very little, the bearing capacity is limited, the stopper department of adapter sleeve opening side is broken easily, the stopper is also made the stopper deformation easily, not only reduce the life of adapter sleeve, in addition in case when hanging in case the fracture will be broken directly in case of hanging.

Disclosure of Invention

The utility model aims to provide the electric circular saw hook which has the advantages of improving the connection firmness, improving the bearing capacity and prolonging the service life and being convenient to use.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an electric circular saw hook comprises a clamp, a hook, a bottom hook and a connector which are arranged on an electric circular saw body; the bottom hook is L-shaped, the transverse end of the bottom hook is inserted into the shell from the side face of the shell of the body, a column casing which is used for accommodating the rotation of the transverse end of the bottom hook is arranged in the shell, and the transverse end of the bottom hook is limited in the column casing through a clamp spring; the connector is cylindrical, the lower end of the hook and the vertical end of the bottom hook are respectively and rotatably connected to two ends of the connector, grooves are formed in the lower end of the hook and the vertical end of the bottom hook, and at least three protrusions which are uniformly arranged and are matched with the grooves radially inwards are arranged at two ends of the connector; the clamping is arranged on the shell, the upper end of the clamping is provided with an opening, and the hook is clamped in the clamping.

Preferably, the connector is formed into a cylindrical shape by a plate, and a plurality of buckles are uniformly distributed at the joint.

Preferably, the hook and the bottom hook are formed by bending round steel, and the transverse end of the bottom hook is inserted into the handle shell of the electric circular saw body.

Preferably, the handle shell is composed of two spliced shells, and column casings are arranged on the two spliced shells; the clamp spring is C-shaped, a clamping groove matched with the clamp spring is formed in the transverse end of the bottom hook, and the clamp spring is clamped between the two column casings.

Preferably, the cross section of the clamping is in a dovetail groove shape, the opening end of the clamping is an inclined plane inclined inwards, lugs are respectively extended from two outer side surfaces of the clamping, through holes are formed in the lugs, the clamping is mounted on a gear box shell of the electric circular saw body through screws, and supporting ribs of a limiting hook bending part are further arranged on the gear box shell.

Compared with the prior art, the utility model has the beneficial effects that: the split type structure is composed of the hook, the connector and the bottom hook, wherein the transverse end of the bottom hook is arranged in the column casing of the shell and can rotate by more than 180 degrees in the column casing, the two ends of the connector are respectively connected with the lower end of the hook and the vertical end of the bottom hook, the connector and the hook can rotate 360 degrees around the vertical end of the bottom hook, random rotation in two directions is realized, the hanging is convenient when the split type structure is not used, the split type structure can also be hung on a working buckle belt to move when needed, the structure is compact, and the split type structure is very convenient to use; the horizontal end of the bottom hook is inserted into the column casing in the shell, and is limited by the clamp spring, so that the horizontal end of the bottom hook is limited to rotate in the column casing, the connection firmness of the hook and the shell is improved, the acting force is dispersed at the contact position of the column casing and the horizontal end of the bottom hook during suspension, the bearing capacity is greatly improved, and the service life is also greatly prolonged; and the two ends of the connector are respectively clamped with the lower end of the hook and the vertical end of the bottom hook, the clamping structure is matched with at least three bulges and grooves which are uniformly distributed, the connection between the hook and the connector and the connection between the bottom hook and the connector are firmer, and the bearing capacity is also respectively and dispersedly borne by each group of bulges, so that the bearing capacity and the service life are further improved.

Further beneficial effects are that: firstly, the connector is formed into a cylindrical shape by a plate, the elastic connector is more convenient for installing the connecting hook and the bottom hook, the processing cost is reduced by the plate forming process, a plurality of buckles are uniformly distributed at the joint, the connector can be prevented from loosening, and the structural firmness is further improved; secondly, the round steel is bent to form the hook and the bottom hook, so that the cost is reduced, the bearing capacity and the service life of the solid steel are further improved, and the transverse end of the bottom hook is inserted into the handle shell, so that the normal use of the electric circular saw is not affected, and the rotation of the bottom hook is facilitated; thirdly, the handle shell is synthesized by the two spliced shells, the spliced shells are correspondingly provided with the column barrels, the transverse ends of the bottom hooks are sequentially inserted into the column barrels of the spliced shells, the clamp springs which are arranged in a C shape are convenient to assemble and disassemble, the clamp springs are clamped between the column barrels of the two spliced shells, and the limiting points are arranged at the end parts of the two column barrels, so that the integrity of the spliced shells is ensured, the service life is prolonged, and meanwhile, the bottom hooks and the spliced shells are more convenient to assemble and disassemble; fourthly, the clamping of dovetail shape is more convenient to push in the clamping with the couple to and pull out the couple by the clamping in, convenient operation, in the handle casing was located to the end hook, the clamping was installed on the gear box casing, and the end hook rotatory back, the couple card was in the clamping, and the structure is compacter, and the overall arrangement is more reasonable, and the setting of supporting rib has restricted the couple portion of bending, prevents that the couple from rotating, does not influence cutting operation.

Drawings

FIG. 1 is a schematic view of the structure of the electric circular saw hook of the present utility model;

FIG. 2 is a schematic perspective view of the hook when installed;

FIG. 3 is a schematic view of the structure of the electric circular saw hook of the present utility model when hanging;

FIG. 4 is a schematic cross-sectional view of the hook portion of FIG. 3;

FIG. 5 is a schematic perspective view of a connector;

FIG. 6 is a schematic rear view of the connector;

FIG. 7 is a schematic perspective view of a clip;

1, a handle shell; 2. a motor housing; 3. a gear box housing; 4. a shield; 5. a circular saw blade; 6. a hook; 7. a connector; 8. a bottom hook; 9. a clip; 10. a support rib; 11 and 12, splice housings; 13. clamping springs; 14. a mounting hole; 15. a column casing; 16. a groove; 17. a clamping groove; 70. a protrusion; 71. a hasp; 90. a lug; 91. and a through hole.

Detailed Description

In order to make the technical scheme of the utility model clearer, the utility model is described in detail below with reference to the accompanying drawings 1-7. It should be understood that the detailed description and specific examples, while indicating the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model.

An electric circular saw hook, referring to figure 1, comprises a clamp 9, a support rib 10 and a hook component which are arranged on an electric circular saw body; the electric circular saw body is in the prior art and comprises a hand-held handle shell 1, a shield 4 for shielding a circular saw blade 5, a gear box shell 3 for protecting a gear box, a motor shell 2 positioned outside a motor and the like, wherein the motor shell 2 and the shield 4 are respectively arranged on two sides of the gear box shell 3, and the handle shell 1 extends outwards from the gear box shell 3; the clamp 9 and the supporting rib 10 are arranged on the gear box shell 3, and the hook component is arranged on the handle shell 1.

The hook component comprises a hook 6, a bottom hook 8, a connector 7 and a clamp spring 13, and is shown with reference to figure 2; the hooks 6 and the bottom hooks 8 are formed by bending round steel, namely round solid steel, and the round steel with the diameter of 6mm can be adopted; the hook 6 is bent into a hook shape with a vertical part and a bending part, and the bending part can be U-shaped for hanging; the bottom hook 8 can be bent into an L shape and is provided with a bottom hook transverse end and a bottom hook vertical end; referring to fig. 5 and 6, the connector 7 is formed by a plate into a cylindrical shape, and a plurality of buckles 71 are uniformly distributed at the joint to prevent loosening; the two ends of the connector 7 are provided with radial inward bulges 70, and the bulges 70 are uniformly arranged in three or more than three ways; the lower end of the vertical part of the hook 6 and the top of the vertical end of the bottom hook 8 are respectively provided with a circle of groove 16, the lower end of the vertical part of the hook 6 and the top of the vertical end of the bottom hook 8 are respectively inserted into two ends of the connector 7, and the grooves 16 are respectively matched with the protrusions 70 of the connector 7, so that the connector 7 is in rotary connection with the hook 6, the connector 7 and the bottom hook 8, and the electric circular saw is born without loosening during hanging.

The transverse end of the bottom hook 8 is inserted into the handle shell 1 from the side and limited by the clamp spring 13, and is shown in reference to figure 4; the handle shell 1 is composed of two spliced shells 11 and 12, column casings 15 for accommodating the transverse ends of bottom hooks 8 are correspondingly arranged on the two spliced shells 11 and 12, the side surface of one spliced shell 11 is provided with a mounting hole 14 communicated with the column casing 15, and the transverse ends of the bottom hooks 8 are inserted into the column casing 15 through the mounting hole 14; the column casing 15 and the spliced shells 11 and 12 can be of an integrated structure and formed at one time; a circle of clamping groove 17 is formed in the transverse end of the bottom hook 8, and the clamping spring 13 is C-shaped and is matched with the clamping groove 17; the clamp spring 13 is clamped between the end parts of the two column casings 15, and the transverse end of the bottom hook 8 is limited to rotate in the column casings 15 through the clamp spring 13, so that the transverse end of the bottom hook 8 is prevented from moving in the handle shell 1.

The clamping 9 is arranged on the gear box shell 3, and can also be arranged at the joint of the shield 4 and the gear box shell 3; referring to fig. 7, the cross section of the clamp 9 is in a dovetail groove shape, the opening end of the clamp 9 is an inward inclined plane, the vertical part of the hook 6 is easily clamped into the clamp 9 from the inclined plane, and the elastic clamp 9 in the dovetail groove shape also makes the hook 6 very easy to pull out; the two outer side surfaces of the clamp 9 are respectively extended with lugs 90, through holes 91 are formed in the lugs 90, screws are arranged in the through holes 91, and the clamp is arranged on the gearbox shell 3 through the screws; the gear box shell 3 is also provided with a supporting rib 10 for limiting the bending part of the hook 6, so that the bending part of the hook 6 is prevented from rotating, and the normal cutting operation is ensured.

When the electric circular saw needs to be hung, the hook 6 is pulled out from the clamp 9, the bottom hook 8 can rotate more than 180 degrees in the column casing 15 of the handle shell 1, the hook 6 can rotate 360 degrees, and the electric circular saw can be hung by rotating to any position according to the needs, and the state shown in the figure 3 is referred to; when cutting operation is needed, the hook 6 is rotated into the clamp 9, the vertical part of the hook 6 is limited in the clamp 9, and the bending part is limited by the supporting rib 10 at the same time, so that cutting operation can be performed.

In the description of the present technical solution, it should be noted that the terms such as "upper", "inner", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, and are merely for convenience of describing the present technical solution and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present technical solution.

Meanwhile, in the description of the present technical solution, it should be noted that, unless explicitly specified and limited otherwise, the terms "fixed", "fitting", and "fitting" should be construed broadly, and may be, for example, a fixed connection, a removable connection, or an integral connection; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present technical solution can be understood by those skilled in the art according to specific circumstances.

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

Claims (5)

1. An electric circular saw hook which is characterized in that: comprises a clamp (9), a hook (6), a bottom hook (8) and a connector (7) which are arranged on an electric circular saw body; the bottom hook (8) is L-shaped, the transverse end of the bottom hook (8) is inserted into the shell from the side face of the shell of the body, a column casing (15) for accommodating the rotation of the transverse end of the bottom hook is arranged in the shell, and the transverse end of the bottom hook (8) is limited in the column casing (15) through a clamp spring (13); the connector (7) is cylindrical, the lower end of the hook (6) and the vertical end of the bottom hook (8) are respectively and rotatably connected to the two ends of the connector (7), grooves (16) are formed in the lower end of the hook (6) and the vertical end of the bottom hook (8), and at least three protrusions (70) which are uniformly arranged and are matched with the grooves (16) radially inwards are arranged at the two ends of the connector (7); the clamping device is characterized in that the clamping device (9) is arranged on the shell, the upper end of the clamping device (9) is provided with an opening, and the hook (6) is clamped in the clamping device (9).

2. The electric circular saw hanger of claim 1, wherein: the connector (7) is formed into a cylindrical shape by a plate, and a plurality of buckles (71) are uniformly distributed at joints.

3. The electric circular saw hanger of claim 1, wherein: the hook (6) and the bottom hook (8) are formed by bending round steel, and the transverse end of the bottom hook (8) is inserted into the handle shell (1) of the electric circular saw body.

4. The electric circular saw hanger of claim 3, wherein: the handle shell (1) is composed of two spliced shells (11, 12), and column casings (15) are arranged on the two spliced shells (11, 12); the clamp spring (13) is C-shaped, a clamping groove (17) matched with the clamp spring (13) is formed in the transverse end of the bottom hook (8), and the clamp spring (13) is clamped between the two column casings (15).

5. The electric circular saw hanger of claim 1, wherein: the cross section of the clamping clip (9) is in a dovetail groove shape, the opening end of the clamping clip (9) is an inclined plane inclined inwards, lugs (90) are respectively arranged on two outer side surfaces of the clamping clip (9) in an extending mode, through holes (91) are formed in the lugs (90) and are arranged on a gear box shell (3) of the electric circular saw body through screws, and supporting ribs (10) of bending parts of limiting hooks (6) are further arranged on the gear box shell (3).

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