CN220128706U

CN220128706U - Electric hammer with foldable handheld frame

Info

Publication number: CN220128706U
Application number: CN202321439067.6U
Authority: CN
Inventors: 王文斌; 陆金永
Original assignee: Yongkang Qianhan Electrical Technology Co ltd
Current assignee: Yongkang Qianhan Electrical Technology Co ltd
Priority date: 2023-06-07
Filing date: 2023-06-07
Publication date: 2023-12-05
Anticipated expiration: 2033-06-07

Abstract

The utility model discloses a foldable electric hammer with a handheld frame, which comprises an electric hammer main body, wherein a storage box is arranged on one side of the lower end of the electric hammer main body, a positioning box is arranged on one side of the upper end of the electric hammer main body, the foldable electric hammer also comprises a storage cavity which is arranged in the storage box, the handheld frame is arranged in the storage cavity, the handheld frame is rotationally connected with the storage cavity through a damping rotating shaft, an anti-slip sleeve is fixedly arranged on the outer wall of the handheld frame, the foldable electric hammer also comprises a transmission cavity which is arranged on one side of the storage cavity, a first moving block is arranged in the transmission cavity, and the upper end and the lower end of the transmission cavity are adhered and fixed with a first sliding rod. This electric hammer that handheld frame is collapsible to be accomodate can make handheld frame accomodate and be fixed to accomodate the intracavity, reduces the occupation of accomodating the space, and the daily accomodating of being convenient for, the practicality is good to the degree of depth that can guarantee each drilling is all the same, has improved the precision of drilling, convenient to use.

Description

Electric hammer with foldable handheld frame

Technical Field

The utility model relates to the technical field of electric hammers, in particular to an electric hammer with a foldable and storable handheld frame.

Background

The electric hammer is an electric rotary hammer drill with a safety clutch and a pneumatic hammering mechanism, and the electric hammer uses the principle of piston motion to impact a drill bit by compressed gas, does not need to make a large amount of force by hand, can open holes of 6-100 mm on hard materials such as concrete, bricks, stones and the like, has higher hole opening efficiency on the materials, but can not open holes on metals.

The traditional Chinese patent with the publication number of CN216859625U discloses an electric hammer with a foldable shoulder support frame, which comprises a transmission box, wherein a sleeve is arranged at the top of the transmission box, the left end of the sleeve is connected with a valve through threads, and a first support rod is slidably arranged in the sleeve; one end of the first support rod is integrally formed with a first piston, a first sealing ring is arranged on the first piston, and a second support rod is arranged in the first support rod in a sliding manner; one end integrated into one piece of second bracing piece has the second piston, install the second sealing washer on the second piston, the other end of second bracing piece has the backup pad through threaded connection, paste the liner in the backup pad.

Above-mentioned scheme is though can realize reducing the electric hammer impact to the influence that the human body produced, but this electric hammer accomodates the space that the handheld frame of downside can increase to accomodate, influences the use, and when this electric hammer carries out the drilling of a plurality of same degree of depths simultaneously, lacks the control to drilling depth, influences the precision of drilling, consequently does not satisfy current demand, has proposed a handheld frame folding electric hammer of accomodating to this.

Disclosure of Invention

The utility model aims to provide an electric hammer with a foldable and storable handheld frame, so as to solve the problems that the handheld frame at the lower side of the electric hammer is unfavorable for storage and lacks control over drilling depth in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the electric hammer comprises an electric hammer main body, wherein a storage box is arranged on one side of the lower end of the electric hammer main body, and a positioning box is arranged on one side of the upper end of the electric hammer main body;

the storage box comprises a storage box body, and is characterized by further comprising a storage cavity which is arranged in the storage box, wherein a handheld frame is arranged in the storage cavity, the handheld frame is rotationally connected with the storage cavity through a damping rotating shaft, and an anti-slip sleeve is fixedly arranged on the outer wall of the handheld frame;

the novel transmission device comprises a transmission cavity, wherein the transmission cavity is formed in one side of a storage cavity, a first moving block is arranged in the transmission cavity, first sliding rods are fixedly adhered to the upper end and the lower end of the inside of the transmission cavity, the first sliding rods penetrate through the first moving block and are in sliding fit with the first moving block, a limiting rod is fixedly arranged in the first moving block, two ends of the limiting rod extend to the outer part of the first moving block, one end of the limiting rod penetrates through and extends to the outer part of the transmission cavity, the other end of the limiting rod penetrates through and extends to the inner part of the storage cavity, and the storage cavity and the transmission cavity are in sliding fit with the limiting rod;

still include the threaded rod, its rotation sets up the inside upper end of locating box, the one end welding of threaded rod has the pivot, the one end of pivot runs through and extends to the outside of locating box, and the pivot rotates with the locating box and be connected, the outside threaded connection of threaded rod has the second movable block, one side welding of second movable block has the locating lever, the one end of locating lever runs through and extends to the outside of locating box, and the locating lever all with locating box sliding fit.

Preferably, the outside of first slide bar all overlaps and is equipped with reset spring, reset spring's one end all is connected with first movable block, and reset spring's the other end all is connected with the transmission chamber.

Preferably, a second sliding rod is welded below the threaded rod, and the second sliding rod is in sliding fit with the second moving block.

Preferably, a first limit groove is formed in one side of the handheld frame, a second limit groove is formed in one end of the lower end of the handheld frame, and the first limit groove and the second limit groove are matched with one end of the limit rod, which is located in the storage cavity.

Preferably, one end of the limiting rod, which is positioned outside the transmission cavity, is provided with a pull ring.

Preferably, one end of the rotating shaft, which is positioned outside the positioning box, is fixedly provided with a knob.

Preferably, one side of the upper end of the handheld frame and one side of the upper end of the inner part of the accommodating cavity are adhered and fixed with magnetic iron sheets.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the storage box is arranged at one side of the lower end of the electric hammer main body, when the electric hammer main body is stored, the handheld frame can be fixed by only rotating the damping rotating shaft to enable the handheld frame to rotate into the storage cavity and clamping the first limiting groove through the limiting rod, so that the handheld frame is stored and fixed in the storage cavity, the occupation of storage space can be reduced, daily storage is facilitated, and the practicality is good.

2. According to the utility model, the positioning box is arranged on one side of the upper end of the electric hammer main body, when a user needs to control the drilling depth, the second moving block is only required to rotate the threaded rod to move, the second moving block can drive the positioning rod to move towards the drilling direction, and when the drilling depth is reached, the positioning rod can be contacted with a drilling object by controlling the moving distance of the positioning rod, so that the drilling object is propped against to limit the drill bit, the drilling depth of each drilling hole is ensured to be the same, the drilling accuracy is improved, and the electric hammer is convenient to use.

3. According to the utility model, the magnetic iron sheets are arranged on the upper side of one end of the handheld frame and one side of the upper end in the accommodating cavity, after the handheld frame is folded and accommodated, the handheld frame can be firmly fixed with the accommodating cavity under the magnetic adsorption action of the two magnetic iron sheets, so that the handheld frame is further prevented from falling down, and the limiting rod can be clamped into the second limiting groove when the handheld frame is used, so that the handheld frame can be fixed, free rotation of the handheld frame is avoided, and the damping characteristic of the damping rotating shaft can well prevent the rotation of the handheld frame, so that the handheld frame is convenient for daily use.

Drawings

FIG. 1 is a front elevational view of the overall structure of the present utility model;

FIG. 2 is a front view of the internal structure of the present utility model;

FIG. 3 is an enlarged view of a portion of the area A of FIG. 2 in accordance with the present utility model;

FIG. 4 is an enlarged view of a portion of the area B of FIG. 2 in accordance with the present utility model;

fig. 5 is a partial enlarged view of region C of fig. 2 in accordance with the present utility model.

In the figure: 1. an electric hammer main body; 2. a storage box; 3. a storage chamber; 4. a hand-held rack; 5. damping the rotating shaft; 6. a first limit groove; 7. the second limit groove; 8. a transmission cavity; 9. a first slide bar; 10. a first moving block; 11. a return spring; 12. a limit rod; 13. a pull ring; 14. a magnetic iron sheet; 15. an anti-skid sleeve; 16. a threaded rod; 17. a second slide bar; 18. a second moving block; 19. a positioning rod; 20. a rotating shaft; 21. a knob; 22. and a positioning box.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a hand-held frame folding electric hammer that accomodates, includes electric hammer main part 1, and one side of electric hammer main part 1 lower extreme is provided with receiver 2, and one side of electric hammer main part 1 upper end is provided with positioning box 22;

the storage box further comprises a storage cavity 3 which is arranged in the storage box 2, a handheld frame 4 is arranged in the storage cavity 3, the handheld frame 4 is rotationally connected with the storage cavity 3 through a damping rotating shaft 5, and an anti-slip sleeve 15 is fixedly arranged on the outer wall of the handheld frame 4;

the novel transmission device comprises a storage cavity 3, and is characterized by further comprising a transmission cavity 8 which is arranged on one side of the storage cavity 3, wherein a first moving block 10 is arranged in the transmission cavity 8, the upper end and the lower end of the inside of the transmission cavity 8 are adhered and fixed with a first sliding rod 9, the first sliding rod 9 penetrates through the first moving block 10 and is in sliding fit with the first moving block 10, a limiting rod 12 is fixedly arranged in the first moving block 10, two ends of the limiting rod 12 extend to the outside of the first moving block 10, one end of the limiting rod 12 penetrates through and extends to the outside of the transmission cavity 8, the other end of the limiting rod 12 penetrates through and extends to the inside of the storage cavity 3, and the storage cavity 3 and the transmission cavity 8 are in sliding fit with the limiting rod 12;

the positioning box comprises a positioning box 22, and is characterized by further comprising a threaded rod 16, wherein the threaded rod 16 is rotatably arranged at the upper end inside the positioning box 22, a rotating shaft 20 is welded at one end of the threaded rod 16, one end of the rotating shaft 20 penetrates through and extends to the outside of the positioning box 22, the rotating shaft 20 is rotatably connected with the positioning box 22, a second moving block 18 is connected with the threaded rod 16 through an external thread, a positioning rod 19 is welded at one side of the second moving block 18, one end of the positioning rod 19 penetrates through and extends to the outside of the positioning box 22, and the positioning rods 19 are in sliding fit with the positioning box 22.

When using, when accomodating electric hammer main part 1, outside pulling pull ring 13 makes gag lever post 12 shift out first spacing groove 6, makes handheld frame 4 rotate to accomodate in the chamber 3 through damping pivot 5, loosens pull ring 13 and makes gag lever post 12 card go into the inside of first spacing groove 6 under reset spring 11's elasticity recovery effect, makes the one end of handheld frame 4 fixed to handheld frame 4 other end can be fixed under magnetic force adsorption effect of magnetism iron sheet 14, makes handheld frame 4 firmly fix in accomodating the intracavity 3, can reduce the occupation of accommodation space, the daily accomodating of being convenient for, the practicality is good.

Working principle: when the novel limiting device is used, a user pulls the pull ring 13, the pull ring 13 can drive the limiting rod 12 to move out of the first limiting groove 6, the reset spring 11 stretches, the handheld frame 4 rotates downwards through the damping rotating shaft 5 at the moment, and the limiting rod 12 can be clamped into the second limiting groove 7 by loosening the pull ring 13 under the elastic recovery action of the reset spring 11.

Referring to fig. 3, a return spring 11 is sleeved outside the first sliding rod 9, one end of the return spring 11 is connected with the first moving block 10, the other end of the return spring 11 is connected with the transmission cavity 8, and the elastic action of the return spring 11 can enable the limiting rod 12 to be firmly clamped into the first limiting groove 6 and the second limiting groove 7;

referring to fig. 5, a second sliding rod 17 is welded below the threaded rod 16, and the second sliding rod 17 is in sliding fit with a second moving block 18, and the second sliding rod 17 can enable the second moving block 18 to be axially limited, so that rotation of the second moving block 18 is converted into horizontal linear movement;

referring to fig. 3, a first limit groove 6 is formed on one side of the handheld frame 4, a second limit groove 7 is formed at one end of the lower end of the handheld frame 4, the first limit groove 6 and the second limit groove 7 are matched with one end of a limit rod 12 located in the storage cavity 3, and the limit rod 12 can be fixed to the handheld frame 4 after being clamped into the first limit groove 6 and the second limit groove 7;

referring to fig. 1 and 3, a pull ring 13 is arranged at one end of the limit rod 12 outside the transmission cavity 8, and the pull ring 13 is convenient for a user to pull the limit rod 12;

referring to fig. 1 and 2, a knob 21 is fixedly arranged at one end of the rotating shaft 20 located outside the positioning box 22, and the knob 21 is arranged to facilitate a user to rotate the rotating shaft 20;

referring to fig. 4, a magnetic iron sheet 14 is adhered and fixed on one side of the upper end of the handheld frame 4 and one side of the upper end of the inner portion of the accommodating cavity 3, and the magnetic force between the magnetic iron sheets 14 can be absorbed by each other to fix the handheld frame 4 conveniently.

Working principle: when in use, a user pulls the pull ring 13, the pull ring 13 drives the limiting rod 12 to move out of the first limiting groove 6 and stretches the return spring 11, at the moment, the handheld frame 4 rotates downwards through the damping rotating shaft 5, the limiting rod 12 can be clamped into the second limiting groove 7 under the elastic recovery action of the return spring 11 when the pull ring 13 is loosened, so that the handheld frame 4 can be fixed, the user can normally work by holding the anti-slip sleeve 15 on the outer wall of the handheld frame 4, when in drilling, the user can hold the knob 21 to rotate, the knob 21 can drive the rotating shaft 20 to rotate, the rotating shaft 20 can drive the threaded rod 16 to rotate, the threaded rod 16 can drive the second moving block 18 to synchronously rotate, because one end of the second moving block 18 is in sliding fit with the second sliding rod 17, the second moving block 18 can be axially limited, the rotation of the second moving block 18 can be converted into horizontal linear movement, thereby driving the positioning rod 19 to move towards the direction of the drill bit, controlling the moving distance of the positioning rod 19, when drilling to a proper depth, the positioning rod 19 can contact a drilling object, thereby propping against the drilling object to limit the drill bit, avoiding drilling the drill bit, thereby precisely controlling the depth of each drilling, being more convenient to use, when needing to store the electric hammer main body 1, pulling the pull ring 13 outwards, moving the limiting rod 12 out of the second limiting groove 7, rotating the handheld frame 4 into the storage cavity 3 through the damping rotating shaft 5, fixing one end of the handheld frame 4 through the magnetic force adsorption between the magnetic iron sheets 14, and after releasing the pull ring 13, clamping the limiting rod 12 into the first limiting groove 6 under the elastic restoring action of the restoring spring 11, thereby fixing the other side of the handheld frame 4, firmly fixing the handheld frame 4 in the storage cavity 3, can reduce the occupation of storage space, be convenient for daily accomodate, the practicality is good.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a hand-held frame folding electric hammer of accomodating, includes electric hammer main part (1), one side of electric hammer main part (1) lower extreme is provided with receiver (2), one side of electric hammer main part (1) upper end is provided with positioning box (22), its characterized in that:

the storage box further comprises a storage cavity (3) which is formed in the storage box (2), a handheld frame (4) is arranged in the storage cavity (3), the handheld frame (4) is rotatably connected with the storage cavity (3) through a damping rotating shaft (5), and an anti-slip sleeve (15) is fixedly arranged on the outer wall of the handheld frame (4);

the novel transmission device comprises a storage cavity (3), and is characterized by further comprising a transmission cavity (8), wherein the transmission cavity (8) is formed in one side of the storage cavity (3), a first moving block (10) is arranged in the transmission cavity (8), first sliding rods (9) are fixedly adhered to the upper end and the lower end of the inside of the transmission cavity (8), the first sliding rods (9) penetrate through the first moving block (10), the first sliding rods (9) are in sliding fit with the first moving block (10), a limiting rod (12) is fixedly arranged in the first moving block (10), two ends of the limiting rod (12) extend to the outer portion of the first moving block (10), one end of the limiting rod (12) penetrates through and extends to the outer portion of the transmission cavity (8), the other end of the limiting rod (12) penetrates through and extends to the inner portion of the storage cavity (3), and the storage cavity (3) and the transmission cavity (8) are in sliding fit with the limiting rod (12);

still include threaded rod (16), its rotation sets up the inside upper end of box (22), the one end welding of threaded rod (16) has pivot (20), the one end of pivot (20) runs through and extends to the outside of box (22), and pivot (20) are connected with box (22) rotation, the outside threaded connection of threaded rod (16) has second movable block (18), one side welding of second movable block (18) has locating lever (19), the one end of locating lever (19) runs through and extends to the outside of box (22), and locating lever (19) all with box (22) sliding fit.

2. The foldable electric hammer of claim 1, wherein: the outside of first slide bar (9) all overlaps and is equipped with reset spring (11), reset spring (11) one end all is connected with first movable block (10), and reset spring (11) the other end all is connected with transmission chamber (8).

3. The foldable electric hammer of claim 1, wherein: a second sliding rod (17) is welded below the threaded rod (16), and the second sliding rod (17) is in sliding fit with a second moving block (18).

4. The foldable electric hammer of claim 1, wherein: first spacing groove (6) has been seted up to one side of handheld frame (4), second spacing groove (7) has been seted up from seting up to handheld frame (4) lower extreme one end, first spacing groove (6) and second spacing groove (7) all are located the inside one end looks adaptation of accomodating chamber (3) with gag lever post (12).

5. The foldable electric hammer of claim 1, wherein: one end of the limiting rod (12) positioned outside the transmission cavity (8) is provided with a pull ring (13).

6. The foldable electric hammer of claim 1, wherein: one end of the rotating shaft (20) positioned outside the positioning box (22) is fixedly provided with a knob (21).

7. The foldable electric hammer of claim 1, wherein: and one side of the upper end of the handheld frame (4) and one side of the upper end inside the accommodating cavity (3) are adhered and fixed with magnetic iron sheets (14).