CN220331210U

CN220331210U - Nail hammer

Info

Publication number: CN220331210U
Application number: CN202321718955.1U
Authority: CN
Inventors: 丁情; 卢珊珊; 蔡德武
Original assignee: Maanshan Teachers College
Current assignee: Maanshan Teachers College
Priority date: 2023-07-03
Filing date: 2023-07-03
Publication date: 2024-01-12
Anticipated expiration: 2033-07-03

Abstract

The utility model provides a claw hammer for claw from timber, comprising: the hammer comprises a hammer head and a hammer handle, wherein one end of the hammer handle is connected with the middle part of the hammer head, the two ends of the hammer head are respectively provided with a hammer and a nail lifting wing, the other end of the hammer handle is provided with an accommodating groove with an open end, a cutting structure is movably arranged in the accommodating groove, the cutting structure comprises at least two cutting blades uniformly distributed along a virtual circumference, the cutting edges of the cutting blades face to the direction away from the hammer head, and the cutting blades of the cutting structure are used for cutting timber at the periphery of the nail head; the problem of current claw hammer is difficult to the nail of pin fin embedding timber in to the nail, and the nail efficiency is low is solved.

Description

Nail hammer

Technical Field

The utility model belongs to the technical field of nail hammers, and particularly relates to a nail hammer.

Background

At present, a nail-removing hammer used by people comprises a hammer handle, one end of the hammer handle is provided with a nail-removing hammer head, one side of the nail-removing hammer head is provided with a hammer, the other side of the nail-removing hammer head is provided with a nail-removing wing, the nail-removing hammer is used for removing nails, a V-shaped opening groove on the nail-removing wing is used for clamping the nail head of a nail during use, and then the nail is removed by utilizing a lever principle. However, in practice, nails in timber often have their heads driven into the surface of the timber, i.e. the heads are not exposed but embedded in the timber surface. Then, the existing nail hammer only uses the nail lifting wings to lift nails, so that the actual use is very inconvenient, the nail lifting is very difficult, the outer end edges of the nail lifting wings are difficult to enter below the nail heads, and the nail lifting efficiency is low.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art, provides a nail-pulling hammer for pulling nails from timber, and solves the problems that the existing nail-pulling hammer is difficult to pull nails with nails embedded into timber, and the nail pulling efficiency is low.

In order to achieve the above object, the present utility model provides a claw hammer for claw from wood, comprising:

the hammer comprises a hammer head and a hammer handle, wherein one end of the hammer handle is connected with the middle part of the hammer head, the two ends of the hammer head are respectively provided with a hammer head and a nail lifting wing, the other end of the hammer handle is provided with an accommodating groove with an open end, a cutting structure is movably arranged in the accommodating groove, the cutting structure comprises at least two cutting blades uniformly distributed along a virtual circumference, the cutting edges of the cutting blades face to the direction away from the hammer head, and the cutting blades of the cutting structure are used for cutting timber at the periphery of a nail head.

Optionally, the middle part of tup is provided with the through-hole, the hammer handle slides and runs through the through-hole, the outside of hammer handle is provided with a plurality of pits, a plurality of the pit is followed the axis interval arrangement of hammer handle, the pore wall of through-hole is provided with set screw, set screw with the pit cooperatees.

Optionally, the hammer is cylindrical, the nail-lifting wing is in a plate shape gradually thinned from a direction close to the hammer to a direction far away from the hammer, and a V-shaped open slot is formed in the middle of the outer end of the nail-lifting wing.

Optionally, the cutting structure further comprises a casing, the casing is cylindrical, one end of the cutting blade is arranged in the casing, and the other end of the cutting blade extends out of the casing.

Optionally, two cutting blades are provided, two adjusting grooves are radially formed in the inner wall of the shell, one ends of the two cutting blades are respectively arranged in the two adjusting grooves in a sliding mode, one ends of the two cutting blades are connected with an adjusting mechanism, and the adjusting mechanism can drive the two cutting blades to move in opposite directions or in opposite directions.

Optionally, the adjusting mechanism includes: the screw rod comprises a forward threaded portion and a reverse threaded portion, the forward threaded portion and the reverse threaded portion penetrate through one end of each of the two cutting blades respectively and are in threaded fit with one end of each of the two cutting blades respectively, a screw head is arranged at one end of the screw rod, and the screw head is embedded in a countersunk groove on the outer wall of the shell.

Optionally, the screw rod is rotatably connected with the shell, the screw head is countersunk head-shaped, and the screw head is provided with a cross groove or a straight groove or an inner hexagonal groove.

Optionally, an operation part extending outwards in the radial direction is arranged on the outer wall of the shell, a through groove is formed in the groove wall of the accommodating groove, the through groove comprises a first groove extending along the axial direction of the hammer handle and a second groove connected with the first groove, the second groove is connected with one end of the first groove to form an L-shaped groove, and the operation part penetrates through the through groove and extends outwards.

Optionally, the outer end of the operation part is rotatably connected with a limiting part, and the limiting part can rotate relative to the operation part and is embedded into one end of the second groove, which is close to the first groove, when the operation part is positioned at one end of the second groove, which is far away from the first groove.

Optionally, an end of the first groove away from the second groove is provided with an embedded groove, and the embedded groove can accommodate at least part of the limiting portion.

The utility model provides a nail hammer, which has the beneficial effects that: the nail-removing hammer is provided with a hammer handle and a hammer head connected to one end of the hammer handle, wherein the hammer head and the nail-removing wings are respectively arranged at the two ends of the hammer head, the hammer head and the hammer head are respectively used for driving nails and removing nails, the other end of the hammer handle is provided with a cutting structure, the cutting structure is movably embedded in the accommodating groove and can be accommodated and stretched out, before removing nails, the cutting structure can be stretched out first, at least the edge part of the cutting blade is exposed, wood on the periphery of part of the nail head is cut by the cutting blade, the nail head can be exposed, and the nail-removing operation is carried out through the nail-removing wings and the nail head clamping.

Additional features and advantages of the utility model will be set forth in the detailed description which follows.

Drawings

The foregoing and other objects, features and advantages of the utility model will be apparent from the following more particular descriptions of exemplary embodiments of the utility model as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the exemplary embodiments of the utility model.

Fig. 1 shows a schematic structural view of a claw hammer according to an embodiment of the utility model.

Fig. 2 shows a schematic view of a receiving groove of a claw hammer and its internal structure according to an embodiment of the present utility model.

Fig. 3 is a schematic view showing a fitting structure of an operation portion and a limit portion of a claw hammer with a through groove according to an embodiment of the present utility model.

Reference numerals illustrate:

1. a hammer handle; 2. a hammer; 3. nail nipping wings; 4. a cutting blade; 5. a set screw; 6. a housing; 7. an adjustment tank; 8. a screw rod; 9. a screw head; 10. an operation unit; 11. a through groove; 12. a limit part; 13. embedded in the groove.

Detailed Description

Preferred embodiments of the present utility model will be described in more detail below. While the preferred embodiments of the present utility model are described below, it should be understood that the present utility model may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.

As shown in fig. 1 to 3, the present utility model provides a claw hammer for claw from wood, comprising:

the hammer comprises a hammer head and a hammer handle 1, wherein one end of the hammer handle 1 is connected with the middle part of the hammer head, two ends of the hammer head are respectively provided with a hammer 2 and a nail lifting wing 3, the other end of the hammer handle 1 is provided with an accommodating groove with an open end, a cutting structure is movably arranged in the accommodating groove, the cutting structure comprises at least two cutting blades 4 uniformly distributed along a virtual circumference, the cutting edges of the cutting blades face to a direction away from the hammer head, and the cutting blades 4 of the cutting structure are used for cutting timber at the periphery of the nail head.

Specifically, in order to solve the problems that the existing nail removing hammer is difficult to remove nails with heads embedded into timber and has low nail removing efficiency; the nail-removing hammer provided by the utility model is provided with the hammer handle 1 and the hammer head connected to one end of the hammer handle 1, wherein the hammer head 2 and the nail-removing wing 3 are respectively arranged at two ends of the hammer head, the hammer handle 1 is respectively used for removing nails and removing nails, the other end of the hammer handle 1 is provided with the cutting structure, the cutting structure is movably embedded in the accommodating groove and can be accommodated and stretched out, before removing nails, the cutting structure can be stretched out first, at least the edge part of the cutting blade 4 is exposed, part of timber at the periphery of a nail head is cut by the cutting blade 4, the nail head can be exposed, and then the nail-removing wing 3 is clamped with the nail head to perform the nail-removing operation.

Optionally, the middle part of tup is provided with the through-hole, and hammer handle 1 slides and runs through the through-hole, and the outside of hammer handle 1 is provided with a plurality of pits, and a plurality of pits are arranged along the axis interval of hammer handle 1, and the pore wall of through-hole is provided with holding screw 5, and holding screw 5 cooperatees with the pit.

Specifically, the through hole is sleeved at one end of the hammer handle 1, the hammer head can slide along the hammer handle 1, and the length of the hammer handle 1 extending out of the hammer head is adjusted, so that the structure of the lever is flexibly adjusted in the process of nail pulling; the set screw 5 can be matched with each pit, and when the relative position of the hammer handle 1 and the hammer head is adjusted, the set screw 5 is screwed down so that the end part of the set screw 5 enters the pit, and the hammer head and the hammer handle 1 are fixed.

Optionally, the hammer 2 is cylindrical, the nail-lifting wing 3 is plate-shaped gradually thinned from the direction close to the hammer 2 to the direction far away from the hammer 2, and a V-shaped open slot is formed in the middle of the outer end of the nail-lifting wing 3.

Specifically, hammer 2 is cylindrical can for beating, say beat the nail, and play nail wing 3 is platy, and play the outer end of nail wing 3 compare in the inner thinner, be convenient for play the initial stage of nail and insert the downside of pin head with play nail wing 3 front end, the both sides cell wall of V-arrangement open slot cooperates with the both sides of pin head, be convenient for with the pin head joint.

Optionally, the cutting structure further includes a housing 6, the housing 6 is cylindrical, one end of the cutting blade 4 is disposed in the housing 6, and the other end of the cutting blade 4 extends out of the housing 6.

Specifically, the housing 6 is slidably engaged with the accommodating groove, and is capable of extending and contracting in the axial direction of the hammer handle 1, and the other end of the cutter 4 is provided with a blade which is capable of moving together with the housing 6 and extends out of the other end of the hammer handle 1.

Optionally, two cutting blades 4 are provided, two adjusting grooves 7 are radially formed in the inner wall of the shell 6, one ends of the two cutting blades 4 are respectively slidably arranged in the two adjusting grooves 7, one ends of the two cutting blades 4 are connected with an adjusting mechanism, and the adjusting mechanism can drive the two cutting blades 4 to move in opposite directions or in opposite directions.

Specifically, the adjusting mechanism adjusts the two cutters 4 to move in opposite directions or in opposite directions so as to adjust the radius of the cutting ring of the cutting structure, and the adjusting mechanism is suitable for different sizes of nail heads.

Optionally, the adjustment mechanism comprises: the screw rod 8, the screw rod 8 includes forward screw thread portion and reverse screw thread portion, and forward screw thread portion and reverse screw thread portion run through the one end of two cutters 4 respectively, and with the one end screw thread fit of two cutters 4 respectively, the one end of screw rod 8 is provided with screw head 9, and screw head 9 inlays the countersunk head inslot of establishing on casing 6 outer wall.

Specifically, the forward thread portion and the reverse thread portion on the screw rod 8 are respectively a clockwise thread and a counterclockwise thread, and when the screw rod 8 rotates, the screw rod 8 drives the two cutting blades 4 to move through the cooperation of the forward thread portion and the reverse thread portion thereof with threaded holes at one ends of the two cutting blades 4 respectively, and a screw head 9 arranged at one end of the screw rod 8 is countersunk and does not extend out of the outer side of the shell 6.

Optionally, the screw rod 8 is rotatably connected with the housing 6, the screw head 9 is in the shape of a countersunk head 9, and a cross groove or a straight groove or an inner hexagonal groove is arranged on the screw head 9.

Specifically, the screw rod 8 may be operated by a cross screw driver, a straight screw driver or an allen wrench, so that the screw rod 8 rotates, and the distance between the two cutters 4 is adjusted.

Optionally, the outer wall of the housing 6 is provided with an operation part 10 extending outwards in the radial direction, the groove wall of the accommodating groove is provided with a through groove 11, the through groove 11 comprises a first groove extending along the axial direction of the hammer handle 1 and a second groove connected with the first groove, the second groove is connected with one end of the first groove to form an L-shaped groove, and the operation part 10 penetrates through the groove 11 and extends outwards.

Specifically, the through groove 11 is L-shaped, the first groove is close to the hammer head, the second groove is connected to one end of the first groove far away from the hammer head, the casing 6 is pushed to move in a direction far away from the hammer head by the operation part 10, so that the cutting edge of the cutting blade 4 of the cutting structure extends out, and the operation part 10 can be pushed transversely continuously to be embedded into the second groove, so that the cutting blade 4 can bear a sufficiently large axial force of the hammer handle 1.

Alternatively, the outer end of the operation portion 10 is rotatably connected with a limiting portion 12, and the limiting portion 12 can rotate relative to the operation portion 10 and be embedded in an end of the second groove close to the first groove when the operation portion 10 is at an end of the second groove far from the first groove.

Specifically, when the operation portion 10 is pushed laterally to be embedded into the second groove and contact with the groove wall of one end of the second groove far away from the first groove, the limit portion 12 rotates relative to the operation portion 10 and is embedded into one end of the second groove close to the first groove, and the limit portion 12 is embedded and then contacts with the groove wall of the other end of the second groove, so that limit of the operation portion 10 is achieved, and rotation of the operation portion along with the shell 6 is avoided.

Optionally, an end of the first slot remote from the second slot is provided with an embedded slot 13, the embedded slot 13 being capable of receiving at least part of the limiting portion 12.

Specifically, the setting of the embedded groove 13 can also receive the limiting part 12 when the cutting structure is in the retracted state, so as to avoid the limiting part 12 from being exposed out of the hammer handle 1 too much.

Further, because the cutting structure is telescopically arranged at one end of the hammer handle 1 far away from the hammer head, when the cutting structure stretches out to cut timber around the nail head, one end of the hammer head can be held by hand, the axial force of the hammer handle 1 can be conveniently applied by downward pressing, the hammer handle 1 can be conveniently driven to rotate by rotating the hammer head to realize cutting, and the operation is more convenient and labor-saving.

The foregoing description of embodiments of the utility model has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described.

Claims

1. A claw for claw from wood, comprising:

2. The claw hammer according to claim 1, wherein a through hole is formed in the middle of the hammer head, the hammer handle penetrates through the through hole in a sliding mode, a plurality of pits are formed in the outer side of the hammer handle, the pits are arranged at intervals along the axis of the hammer handle, set screws are arranged on the hole wall of the through hole, and the set screws are matched with the pits.

3. The nail-pulling hammer according to claim 1, wherein the hammer is cylindrical, the nail-pulling wings are plate-shaped and gradually thin from the direction close to the hammer to the direction far away from the hammer, and a V-shaped open slot is formed in the middle of the outer ends of the nail-pulling wings.

4. The claw hammer of claim 1 wherein the cutting structure further comprises a housing, the housing being cylindrical, one end of the cutting blade being disposed within the housing, the other end of the cutting blade extending outside the housing.

5. The claw hammer according to claim 4, wherein two cutting blades are provided, two adjusting grooves are radially formed in the inner wall of the housing, one ends of the two cutting blades are slidably disposed in the two adjusting grooves, one ends of the two cutting blades are connected with an adjusting mechanism, and the adjusting mechanism can drive the two cutting blades to move in opposite directions or in opposite directions.

6. The claw hammer of claim 5 wherein the adjustment mechanism comprises: the screw rod comprises a forward threaded portion and a reverse threaded portion, the forward threaded portion and the reverse threaded portion penetrate through one end of each of the two cutting blades respectively and are in threaded fit with one end of each of the two cutting blades respectively, a screw head is arranged at one end of the screw rod, and the screw head is embedded in a countersunk groove on the outer wall of the shell.

7. The claw hammer according to claim 6, wherein the screw rod is rotatably connected with the housing, the screw head is countersunk, and the screw head is provided with a cross groove or a straight groove or an internal hexagonal groove.

8. The claw hammer according to claim 4, wherein the outer wall of the housing is provided with an operation portion extending radially outward, a through groove is formed in a groove wall of the accommodation groove, the through groove comprises a first groove extending axially along the hammer handle and a second groove connected with the first groove, the second groove is connected with one end of the first groove to form an L-shaped groove, and the operation portion penetrates through the through groove and extends outward.

9. The claw hammer according to claim 8, wherein a limiting portion is rotatably connected to an outer end of the operating portion, and the limiting portion is rotatable relative to the operating portion and is embedded in an end of the second groove close to the first groove when the operating portion is located at an end of the second groove away from the first groove.

10. The claw hammer of claim 9 wherein an end of the first slot remote from the second slot is provided with an embedded slot, the embedded slot being capable of receiving at least a portion of the limit stop.