CN218145747U - Impact type crowbar with adjustable and replaceable crowbar head - Google Patents

Abstract

The utility model provides an impact type crowbar with an adjustable and replaceable crowbar head, which comprises a crowbar main body and a crowbar head, wherein a first hinging seat and a second hinging seat are arranged at the interval of one end of the crowbar head, and the head of the crowbar main body is rotatably arranged between the first hinging seat and the second hinging seat through an angle adjusting mechanism; the angle adjusting mechanism comprises a limiting shaft, a limiting tooth part is arranged on the limiting shaft, a first tooth socket matched with the limiting tooth part is arranged on the inner wall of the first hinging seat, a second tooth socket matched with the limiting tooth part is arranged on the crowbar main body, and a third tooth socket matched with the limiting tooth part is arranged on the inner wall of the second hinging seat; one end of the limiting shaft is in threaded connection with the pushing piece, and the pushing piece can push the limiting shaft to slide along the axial direction; the prying bar main body is provided with the impact sliding block and the impact step which are matched with each other, so that the impact force can act on the nail nipping edge part, and the nail nipping is convenient; the crowbar overcomes the defects that the prior crowbar is weak in limiting strength, the tooth part is easy to damage and the head of the crowbar is not replaceable.

Description

Impact type crowbar with adjustable and replaceable crowbar head

Technical Field

The utility model relates to a crowbar field especially relates to an impact type crowbar of adjustable change of crowbar head.

Background

Crowbars, commonly referred to as prying iron or steel bars, are generally pointed at one or both ends, or have a blade-like shape at one end. The crowbar is a hoisting tool, and the product can be used for prying heavy objects only by manpower and is used in a large amount in practical hoisting and carrying operation; crowbars are also commonly used for lifting nails, removing wooden boxes, and the like. Current crowbar generally includes crowbar main part and crowbar head, and the one end symmetry of crowbar head is provided with articulated seat, and in order to realize that crowbar head angle is adjustable, the crowbar main part passes through angle adjusting mechanism and rotates and install between two articulated seats.

The existing angle adjusting mechanism comprises a limiting shaft and a fastener riveted and fixed with the limiting shaft, a tooth part is arranged on the limiting shaft, a tooth groove matched with the tooth part is arranged on any hinged seat, and when the tooth part is clamped with the tooth groove, the crowbar head is limited; when the tooth part is separated from the tooth groove, the crowbar head can rotate to adjust the angle; this structure, has the following drawbacks: 1) Only one position on the limiting shaft is limited, the limiting support strength is weak, and when the prying power is large, the tooth part can be damaged; 2) The limiting shaft is riveted and fixed with the fastener, the prying head cannot be detached, and the prying head cannot be replaced according to requirements; 3) Most of the tooth parts are 26 teeth, and the tooth parts are easy to wear in use.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims to solve the problem that an impact type pinch bar of adjustable change of pinch bar head is provided to overcome the current spacing weak, the tooth fragile of pinch bar and the not removable defect of pinch bar head.

(II) technical scheme

In order to solve the technical problem, the utility model provides an impact type crowbar with an adjustable and replaceable crowbar head, which comprises a crowbar main body and a crowbar head, wherein a first hinging seat and a second hinging seat are arranged at one end of the crowbar head at intervals, and the head of the crowbar main body is rotatably arranged between the first hinging seat and the second hinging seat through an angle adjusting mechanism;

the angle adjusting mechanism comprises a limiting shaft penetrating through the first hinge seat, the crowbar main body and the second hinge seat, a limiting tooth part is axially arranged on the outer wall of the limiting shaft in an extending mode, a first tooth groove matched with the limiting tooth part is arranged on the inner wall of the first hinge seat, a second tooth groove matched with the limiting tooth part is arranged on the crowbar main body, and a third tooth groove matched with the limiting tooth part is arranged on the inner wall of the second hinge seat; one end of the limiting shaft is in threaded connection with a pushing piece, and the pushing piece can push the limiting shaft to slide along the axial direction.

Further, an impact sliding block is movably mounted on the body of the crowbar main body, and the impact sliding block can slide along the axial direction of the crowbar main body; the tail end of the crowbar main body is provided with a nail nipping edge part, the nail nipping edge part is provided with an impact step matched with the impact sliding block, and the lower end of the nail nipping edge part is provided with a nail nipping V-shaped opening.

Furthermore, a spring is arranged between the pushing piece and the second hinged seat, and the spring always enables the pushing piece to have the trend of moving outwards; under a normal state, the first tooth groove, the second tooth groove and the third tooth groove are clamped with the limiting tooth part.

Furthermore, the first tooth groove, the second tooth groove and the third tooth groove have the same structure, and the number of teeth of the limiting tooth part is 8.

Further, a flange is arranged in the second hinge seat, the third tooth groove is arranged in the flange, a sliding groove is arranged on the outer side of the flange, and the pushing piece is slidably mounted in the sliding groove; the pushing piece is provided with a spring groove, one end of the spring is abutted against the spring groove, and the other end of the spring is abutted against the outer wall of the flange.

Furthermore, one end of the limiting tooth part is provided with a connecting rod, a thread groove is formed in the connecting rod, a screw rod of the pushing part is connected in the thread groove in a threaded mode, and a first inner hexagonal groove is formed in the pushing part. The other end of the limiting tooth part is provided with a limiting column, and a limiting groove matched with the limiting column is arranged on the outer side of the first tooth groove.

Furthermore, hexagonal groove in the second is provided with to the one end of spacing axle, first magnet piece is installed to hexagonal groove's inboard in the second, first magnet piece is used for adsorbing outside screwdriver or cover barrel head.

Furthermore, the head end of the crowbar main body is provided with a flattening part, the flattening part is rotatably connected with the crowbar head, and the second tooth groove is formed in the flattening part.

Furthermore, the tail end of the crowbar main body is provided with a crowbar part, a third inner hexagonal groove is formed in the crowbar part, a second magnet block is installed on the inner side of the third inner hexagonal groove, and the second magnet block is used for adsorbing an external screwdriver or a sleeve head. The head end of crowbar main part is provided with the tup, be provided with the T-slot on the outer wall of tup, T-slot installs the third magnet piece in the inslot, the third magnet piece is used for adsorbing outside nail.

(III) advantageous effects

The utility model provides a pair of striking formula pinch bar of adjustable change of pinch bar head compares with prior art and has following advantage:

1) The outer wall of the limiting shaft is provided with a limiting tooth part in an axially extending mode, tooth grooves capable of being clamped with the limiting tooth part are formed in the two hinge seats and the crowbar main body, the first tooth groove, the second tooth groove and the third tooth groove are clamped with the limiting tooth part correspondingly in a normal state, the limiting support strength is effectively improved by adopting the three limiting positions, the tooth part is not prone to damage, and the service life is long;

2) The limiting shaft is in threaded connection with the pushing piece, so that the crowbar head can be detached, different types of crowbar heads can be replaced according to actual use requirements, the flexibility is higher, and the application range is wider;

3) The limiting tooth part adopts 8 teeth, so that the abrasion can be reduced, and the service life can be prolonged;

4) One end of the limiting shaft is provided with a second inner hexagonal groove, a magnet is arranged in the second inner hexagonal groove and can be connected with an external screwdriver or a sleeve head, the prying bar can be used as a wrench for screwing the screwdriver or the sleeve head, and the magnet adsorbs one end of the screwdriver or the sleeve head, so that the screwdriver or the sleeve head is not easy to fall off and is convenient to use;

5) A hammer is arranged to increase the knocking function; the tup department sets up the T-slot, and the T-slot is interior to be set up magnet, can hold outside nail, just can realize knocking the nail with one hand, changes the operation.

6) The impact structure is adopted, the impact slider is matched with the impact step, the impact step can be impacted through the impact slider, and impact force is applied to the nail nipping edge part so as to facilitate the nail nipping edge part to enter the lower side of the head of a nail, so that knocking by a hammer is not needed, and the nail nipping is more convenient.

Drawings

FIG. 1 is a perspective view of an impact type pry bar with an adjustable and replaceable pry bar head according to embodiment 1;

FIG. 2 is a schematic structural diagram of an impact type crowbar with an adjustable and replaceable crowbar head according to embodiment 1;

FIG. 3 is an exploded view of an impact type pry bar with an adjustable and replaceable pry bar head according to embodiment 1;

FIG. 4 is a perspective view of an impact type crowbar limiting shaft with an adjustable and replaceable crowbar head according to embodiment 1;

FIG. 5 is a perspective view of an impact type pry bar head with an adjustable and replaceable pry bar head according to embodiment 1;

FIG. 6 is a perspective view of an impact type crowbar head with an adjustable and replaceable crowbar head according to embodiment 1 at another angle;

FIG. 7 is a schematic structural diagram of an impact type crowbar with an adjustable and replaceable crowbar head according to embodiment 1 in a normal state;

fig. 8 is a schematic structural view of an impact type crowbar with an adjustable and replaceable crowbar head according to embodiment 1;

FIG. 9 is a schematic structural view of an impact type crowbar with an adjustable and replaceable crowbar head according to embodiment 2;

FIG. 10 is a schematic view of the structure of the portion A in FIG. 9 from another perspective;

the corresponding part names for the various reference numbers in the figures are: 1. a crowbar body; 11. a second tooth slot; 12. a flattening portion; 13. a hammer head; 14. a T-shaped slot; 15. a third magnet block; 16. a prying member; 17. a third inner hexagonal groove; 18. impacting the sliding block; 19. a nail nipping edge part; 191. impacting a step; 192. removing the V-shaped nail opening; 193. a nail lifting port; 2. a pry bar head; 21. a first hinge mount; 22. a second hinge mount; 23. a first tooth slot; 24. a third tooth slot; 25. a flange; 26. a chute; 27. a limiting groove; 3. a limiting shaft; 31. a limit tooth part; 32. a connecting rod; 33. a thread groove; 34. a limiting column; 35. a second inner hexagonal groove; 36. a first magnet block; 4. a pusher member; 41. a spring slot; 42. a screw; 43. a first inner hexagonal groove; 5. a spring.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Example 1:

referring to fig. 1 to 8, the utility model provides an adjustable striking formula pinch bar of changing of pinch bar head, including pinch bar main part 1 and pinch bar head 2, the one end interval of pinch bar head 2 is provided with the articulated seat of first articulated seat 21 and the articulated seat of second 22, and the head of pinch bar main part 1 passes through the rotatable installation of angle adjustment mechanism between the articulated seat of first articulated seat 21 and the articulated seat of second 22. The first hinge seat 21 and the second hinge seat 22 have the same structure and are integrated with the crowbar head 2.

Referring to fig. 3 to 6, the angle adjusting mechanism includes a limiting shaft 3 penetrating through the first hinge base 21, the pry bar main body 1 and the second hinge base 22, a limiting tooth portion 31 is axially extended on an outer wall of the limiting shaft 3, a first tooth groove 23 matched with the limiting tooth portion 31 is arranged on an inner wall of the first hinge base 21, a second tooth groove 11 matched with the limiting tooth portion 31 is arranged on the pry bar main body 1, and a third tooth groove 24 matched with the limiting tooth portion 31 is arranged on an inner wall of the second hinge base 22; one end of the limiting shaft 3 is in threaded connection with the pushing piece 4, and the pushing piece 4 can push the limiting shaft 3 to slide along the axial direction. The first tooth groove 23, the second tooth groove 11 and the third tooth groove 24 are identical in structure, the number of teeth of the limiting tooth part 31 is 8, and abrasion can be reduced.

Referring to fig. 3 and 7, a spring 5 is installed between the pushing member 4 and the second hinge seat 22, and the spring 5 always makes the pushing member 4 have a tendency to move outwards; in a normal state, the spring 5 causes the first tooth groove 23, the second tooth groove 11, and the third tooth groove 24 to be engaged with the stopper tooth portion 31. When the force pushing the pushing member 4 disappears, the spring 5 can reset the limiting shaft 3 and keep the clamping state.

Referring to fig. 6 and 7, a flange 25 is arranged in the second hinge seat 22, the third tooth groove 24 is arranged in the flange 25, a sliding groove 26 is arranged outside the flange 25, and the pushing member 4 is slidably mounted in the sliding groove 26; the pushing piece 4 is provided with a spring groove 41, one end of the spring 5 is abutted against the spring groove 41, and the other end of the spring is abutted against the outer wall of the flange 25.

Referring to fig. 4 and 7, a connecting rod 32 is arranged at one end of the limiting tooth portion 31, a thread groove 33 is formed in the connecting rod 32, a screw 42 of the pushing member 4 is connected in the thread groove 33 in a threaded manner, a first inner hexagonal groove 43 is formed in the pushing member 4, and the pushing member 4 can be detached by inserting an inner hexagonal into the first inner hexagonal groove and screwing the pushing member 4 to detach the pry head. The other end of the limit tooth part 31 is provided with a limit column 34, and the outer side of the first tooth groove 23 is provided with a limit groove 27 matched with the limit column 34.

Referring to fig. 7, one end of the limiting shaft 3 is provided with a second inner hexagonal groove 35, and a first magnet 36 is mounted inside the second inner hexagonal groove 35, and the first magnet 36 is used for adsorbing an external screwdriver or a sleeve head. One end of the external screwdriver is an inner hexagonal part, and the other end of the external screwdriver is a screwdriver part; one end of the sleeve head is an inner hexagonal part, and the other end of the sleeve head is a sleeve part; the hexagon socket head can be inserted into the second hexagon socket head 35 and attached to the first magnet block 36, and the pry bar body 1 can be used as a wrench to rotate the screwdriver or the sleeve head to detach the external screw, so that the functionality of the pry bar body is improved.

Referring to fig. 1 and 2, a head end of the pry bar main body 1 is provided with a flattening portion 12, the flattening portion 12 is rotatably connected with the pry bar head 2, and the second gear groove 11 is formed on the flattening portion 12. The tail end of the pry bar main body 1 is provided with a prying piece 16, a third inner hexagonal groove 17 is formed in the prying piece 16, a second magnet block is installed on the inner side of the third inner hexagonal groove 17, and the second magnet block is used for adsorbing an external screwdriver or a sleeve head to increase functionality of the external screwdriver or the sleeve head. The head end of the crowbar main body 1 is provided with the hammer 13, the outer wall of the hammer 13 is provided with the T-shaped groove 14, the third magnet block 15 is installed in the T-shaped groove 14, the third magnet block 15 is used for adsorbing external nails, the mode is easy to knock the nails with one hand, and the operation is more convenient.

Referring to fig. 7 and 8, when the angle is adjusted, the pushing member 4 is pushed towards the inner side by a finger, the pushing member 4 drives the limiting shaft 3 to slide along the axial direction, and at this time, the second tooth groove 11 and the third tooth groove 24 are both separated from the limiting tooth part 31, so that the direction of the prying rod head 2 can be adjusted in a rotating manner; after adjustment, the pushing piece 4 is released, and the pushing piece 4 and the limiting shaft 3 are reset under the action of the spring and return to a normal clamping state.

The impact type crowbar with the adjustable and replaceable crowbar head has the advantages of simple structure and low manufacturing cost, and is mainly suitable for crowbars with larger sizes; the outer wall of the limiting shaft is provided with a limiting tooth part in an axially extending mode, tooth grooves capable of being clamped with the limiting tooth part are formed in the two hinge seats and the crowbar main body, the first tooth groove, the second tooth groove and the third tooth groove are clamped with the limiting tooth part correspondingly in a normal state, the limiting support strength is effectively improved by adopting the three limiting positions, the tooth part is not prone to damage, and the service life is long; the limiting shaft is in threaded connection with the pushing piece, so that the crowbar head can be detached, different types of crowbar heads can be replaced according to actual use requirements, the flexibility is higher, and the application range is wider; the limiting tooth part adopts 8 teeth, so that the abrasion can be reduced, and the service life can be prolonged; one end of the limiting shaft is provided with a second inner hexagonal groove, a magnet is arranged in the second inner hexagonal groove and can be connected with an external screwdriver or a sleeve head, the prying bar can be used as a wrench for screwing the screwdriver or the sleeve head, and the magnet adsorbs one end of the screwdriver or the sleeve head, so that the screwdriver or the sleeve head is not easy to fall off and is convenient to use; a hammer is arranged to increase the knocking function; the tup department sets up the T-slot, and the T-slot is interior to be set up magnet, can hold outside nail, just can realize knocking the nail with one hand, changes the operation.

Example 2:

referring to fig. 9 and 10, the impact type crowbar provided by the embodiment has the difference from embodiment 1 in that: the structure of the pry bar body 1 is different.

In this embodiment, the body of the crowbar main body 1 is movably mounted with an impact slider 18, and the impact slider 18 can slide along the axial direction of the crowbar main body 1; the tail end of the pry bar main body 1 is provided with a nail nipping blade part 19, the nail nipping blade part 19 is provided with an impact step 191 matched with the impact slider 18, the lower end of the nail nipping blade part 19 is provided with a nail nipping V-shaped opening 192, and the upper side of the nail nipping V-shaped opening 192 is provided with a nail nipping opening 193. When the structure is used for nail nipping, the impact slide block 18 can impact the impact step 191, so that impact force acts on the nail nipping edge part 19, the nail nipping edge part 19 can conveniently enter the lower side of the head of the nail, the nail nipping is not needed to be knocked by a hammer, and the nail nipping is more convenient.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. An impact type crowbar with an adjustable and replaceable crowbar head comprises a crowbar main body (1) and a crowbar head (2), wherein a first hinged seat (21) and a second hinged seat (22) are arranged at one end of the crowbar head (2) at intervals, and the head of the crowbar main body (1) is rotatably mounted between the first hinged seat (21) and the second hinged seat (22) through an angle adjusting mechanism;

the method is characterized in that: the angle adjusting mechanism comprises a limiting shaft (3) penetrating through the first hinged seat (21), the crowbar main body (1) and the second hinged seat (22), a limiting tooth part (31) is axially arranged on the outer wall of the limiting shaft (3) in an extending mode, a first tooth groove (23) matched with the limiting tooth part (31) is formed in the inner wall of the first hinged seat (21), a second tooth groove (11) matched with the limiting tooth part (31) is formed in the crowbar main body (1), and a third tooth groove (24) matched with the limiting tooth part (31) is formed in the inner wall of the second hinged seat (22); one end of the limiting shaft (3) is in threaded connection with a pushing piece (4), and the pushing piece (4) can push the limiting shaft (3) to slide along the axial direction.

2. The impact type crowbar with the replaceable and adjustable crowbar head as claimed in claim 1, wherein: an impact sliding block (18) is movably mounted on the body of the crowbar main body (1), and the impact sliding block (18) can slide along the axial direction of the crowbar main body (1); the tail end of crowbar main part (1) is provided with nail nipping cutting part (19), be provided with on nail nipping cutting part (19) with striking slider (18) complex striking step (191), nail nipping cutting part (19) lower extreme is provided with nail nipping V mouth (192).

3. The impact type crowbar with the replaceable and adjustable crowbar head as claimed in claim 1, wherein: a spring (5) is arranged between the pushing piece (4) and the second hinged seat (22), and the spring (5) always enables the pushing piece (4) to move towards the outer side; in a normal state, the first tooth groove (23), the second tooth groove (11), and the third tooth groove (24) are engaged with the limit tooth portion (31).

4. The impact type crowbar with the replaceable and adjustable crowbar head as claimed in claim 1, wherein: the first tooth groove (23), the second tooth groove (11) and the third tooth groove (24) are identical in structure, and the number of teeth of the limiting tooth part (31) is 8.

5. An impact type crowbar with an adjustably replaceable crowbar head according to claim 3, wherein: a flange (25) is arranged in the second hinged seat (22), the third tooth groove (24) is arranged in the flange (25), a sliding groove (26) is arranged on the outer side of the flange (25), and the pushing piece (4) is installed in the sliding groove (26) in a sliding manner; a spring groove (41) is formed in the pushing piece (4), one end of the spring (5) abuts against the inside of the spring groove (41), and the other end of the spring abuts against the outer wall of the flange (25).

6. The impact type crowbar with the replaceable and adjustable crowbar head as claimed in claim 1, wherein: one end of the limiting tooth part (31) is provided with a connecting rod (32), a threaded groove (33) is formed in the connecting rod (32), a screw rod (42) of the pushing part (4) is in threaded connection with the threaded groove (33), and a first inner hexagonal groove (43) is formed in the pushing part (4); the other end of the limiting tooth part (31) is provided with a limiting column (34), and a limiting groove (27) matched with the limiting column (34) is arranged on the outer side of the first tooth groove (23).

7. The impact type crowbar with the replaceable and adjustable crowbar head as claimed in claim 1, wherein: hexagonal groove (35) in the second are provided with to the one end of spacing axle (3), first magnet piece (36) are installed to the inboard of hexagonal groove (35) in the second, first magnet piece (36) are used for adsorbing outside screwdriver or cover barrel head.

8. The impact type crowbar with the replaceable crowbar head adjustable according to claim 1 is characterized in that: the prying bar is characterized in that a flattening part (12) is arranged at the head end of the prying bar main body (1), the flattening part (12) is rotatably connected with the prying bar head (2), and the second tooth groove (11) is formed in the flattening part (12).

9. The impact type crowbar with the replaceable and adjustable crowbar head as claimed in claim 1, wherein: the tail end of the crowbar main body (1) is provided with a crowbar (16), a third inner hexagonal groove (17) is formed in the crowbar (16), a second magnet block is installed on the inner side of the third inner hexagonal groove (17), and the second magnet block is used for adsorbing an external screwdriver or a sleeve head.

10. The impact type crowbar with the replaceable crowbar head adjustable according to claim 1 is characterized in that: the head end of crowbar main part (1) is provided with tup (13), be provided with T-slot (14) on the outer wall of tup (13), install third magnet piece (15) in T-slot (14), third magnet piece (15) are used for adsorbing outside nail.

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