CN219027428U

CN219027428U - Pneumatic impact electric hammer

Info

Publication number: CN219027428U
Application number: CN202223461853.4U
Authority: CN
Inventors: 詹祥感; 詹祥军; 易秤全
Original assignee: Wuxi Bocon Electric Tool Manufacturing Co ltd
Current assignee: Wuxi Bocon Electric Tool Manufacturing Co ltd
Priority date: 2022-12-24
Filing date: 2022-12-24
Publication date: 2023-05-16
Anticipated expiration: 2032-12-24

Abstract

The utility model relates to the technical field of electric hammers, in particular to a pneumatic impact electric hammer which comprises a shell, wherein the shell comprises a hammer body, a grip is arranged on the surface of the hammer body, and a drill bit is arranged on the surface of the hammer body; the surface of the hammer body is provided with a positioning mechanism, the positioning mechanism comprises a mounting sleeve, the mounting sleeve is sleeved on the surface of the hammer body, and the inner wall of the mounting sleeve is fixedly connected with a fixing block. The sucker is arranged on the surface of the movable rod, and the sucker and the drilled object are used for adsorbing, so that the drilled hole can be positioned, the drill hole is not easy to deviate when the drill hole is drilled through the drill bit, the drill hole is more stable, the movable rod is sleeved on the surface of the fixed rod, and the movable rod moves on the surface of the fixed rod when the drill hole is drilled through the drill bit, so that the effect of adapting to the drilling depth of the drill bit is achieved, the situation that the drill bit deviates or misplaces when the drill hole is drilled can be avoided, and the drilling quality and efficiency can be improved.

Description

Pneumatic impact electric hammer

Technical Field

The utility model relates to the technical field of electric hammers, in particular to a pneumatic impact electric hammer.

Background

The pneumatic impact electric hammer is an electric rotary hammer drill with a safety clutch, a piston with a crankshaft connecting rod is driven by a motor on the basis of an electric drill, air is reciprocally compressed in a cylinder, the air pressure in the cylinder is periodically changed, and the changed air pressure drives a hammer in the cylinder to reciprocally strike the top of a drill bit, which is equivalent to striking the drill bit by the hammer, so the pneumatic impact electric hammer has the advantages of high efficiency, large aperture and long drilling depth.

In the prior art, when drilling is performed through the pneumatic impact electric hammer, the handle is generally held by a worker, so that the hammer body drives the drill bit to move to realize drilling, and because the worker is not stable enough to hold, the condition of shaking or shaking hands is easily generated, and the drilling is inconvenient to position, the drilling is easy to shift or misplace, and the drilling effect and quality are further affected, therefore, the pneumatic impact electric hammer is required to be designed to solve the problems.

Disclosure of Invention

The utility model aims to provide a pneumatic impact electric hammer, which solves the problems that in the prior art, due to the fact that the hand holding of a worker is not stable enough, shaking or hand shake is easy to occur, and the drill holes are inconvenient to position, offset or dislocation is easy to occur to the drill holes, and the drilling effect and quality are affected.

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

a pneumatic impact electric hammer comprises a shell, wherein the shell comprises a hammer body, a grip is arranged on the surface of the hammer body, and a drill bit is arranged on the surface of the hammer body;

the surface of hammer block is provided with positioning mechanism, positioning mechanism includes the installation cover, the installation cover cup joints the surface at the hammer block, the inner wall fixedly connected with fixed block of installation cover, the constant head tank has been seted up to the surface of hammer block, the fixed surface of installation cover is connected with the dead lever, the movable rod has been cup jointed on the surface of dead lever, the one end fixedly connected with sucking disc of dead lever is kept away from to the movable rod, the inner wall fixedly connected with spring of movable rod.

Preferably, the two groups of the installation sleeves are fixed through bolts, the two groups of the fixing blocks are correspondingly connected with the installation sleeves, and the two groups of the positioning grooves are formed in the surface of the hammer body.

Preferably, the fixed rod is two groups of fixed connection on the surface of the positioning groove, the movable rod is four groups of fixed rods and correspondingly connected, one end of the spring is fixedly connected with the fixed rod, and the other end of the spring is fixedly connected with the movable rod.

Preferably, the surface of installation cover is provided with protection machanism, protection machanism includes first protection casing, first protection casing fixed connection is on the surface of installation cover, the spout has been seted up to the inner wall of first protection casing, the surface swing joint of spout has the slider, the one end fixedly connected with second protection casing of spout is kept away from to the slider, the inner wall fixedly connected with connecting block of second protection casing.

Preferably, the first protective cover is correspondingly connected with the mounting sleeve in two groups, the sliding grooves are formed in three groups and are formed in the inner wall of the first protective cover, and the sliding blocks are correspondingly connected with the sliding grooves in six groups.

Preferably, the second protection casing passes through slider and spout swing joint, the one end and the second protection casing fixed connection of connecting block, the other end and the movable rod fixed connection of connecting block.

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

1. the sucking disc setting adsorbs through sucking disc and the object of being drilled at the surface of movable rod, can play the location to the drilling for be difficult for taking place the skew when drilling through the drill bit, and then the drilling is more stable, the movable rod cup joints on the surface of dead lever, when drilling through the drill bit, the movable rod moves on the surface of dead lever, reaches the effect of adaptation drill bit drilling depth, can avoid the drill bit to take place the condition of skew or dislocation when drilling, can promote the quality and the efficiency of drilling.

2. Through the setting of first protection casing and second protection casing, when can realizing drilling, first protection casing and second protection casing parcel are at the surface of drill bit, the dust when can reducing the drilling flies upward, can avoid the piece to splash simultaneously and cause the staff to be injured, can reach the effect that carries out the protection to the staff, simultaneously through the setting of connecting block, when can realizing movable rod and remove, the connecting block drives the second protection casing and removes thereupon, make the second protection casing can with the laminating of the object surface of being drilled all the time, can effectively prevent that the piece from jumping out in the gap of second protection casing and the object of being drilled when the drill bit removes, make the protection effect better.

Drawings

FIG. 1 is a schematic elevational cross-sectional view of the structure of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 3 is a schematic side cross-sectional view of the construction of the mounting sleeve and mounting block of the present utility model;

fig. 4 is a schematic side cross-sectional view of the structure of the first shield and the second shield of the present utility model.

In the figure: 1. a hammer body; 11. a grip; 12. a drill bit; 2. a mounting sleeve; 21. a fixed block; 22. a positioning groove; 23. a fixed rod; 24. a movable rod; 25. a suction cup; 26. a spring; 3. a first shield; 31. a chute; 32. a slide block; 33. a second shield; 34. and (5) connecting a block.

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. 1-4, an embodiment of the present utility model is provided:

the pneumatic impact electric hammer comprises a shell, wherein the shell comprises a hammer body 1, a grip 11 is arranged on the surface of the hammer body 1, a drill bit 12 is arranged on the surface of the hammer body 1, and the drill bit 12 is movably connected to the inner side of the hammer body 1 and can drill holes on concrete, floors, brick walls and stones;

the surface of the hammer body 1 is provided with a positioning mechanism, the positioning mechanism comprises a mounting sleeve 2, the mounting sleeve 2 is sleeved on the surface of the hammer body 1, the inner wall of the mounting sleeve 2 is fixedly connected with a fixed block 21, a positioning groove 22 is formed in the surface of the hammer body 1, the surface of the mounting sleeve 2 is fixedly connected with a fixed rod 23, the surface of the fixed rod 23 is sleeved with a movable rod 24, one end of the movable rod 24, far away from the fixed rod 23, is fixedly connected with a sucker 25, the inner wall of the movable rod 24 is fixedly connected with a spring 26, the sucker 25 is fixedly connected with the surface of the movable rod 24, and when drilling is carried out through a drill bit 12, the sucker 25 is contacted with a drilled object, so that the sucker 25 can adsorb the drilled object, and further the drilling is more stable.

Further, two sets of installation cover 2 pass through the bolt fastening, fixed block 21 is two sets of and installation cover 2 corresponds to be connected, constant head tank 22 is two sets of surfaces of seting up at hammer block 1, constant head tank 22 sets up at the surface of hammer block 1, when cup jointing two sets of installation cover 2 at the surface of hammer block 1, the cooperation through fixed block 21 and constant head tank 22 can carry out spacingly to the cup jointing of installation cover 2, can avoid taking place the skew when fixing installation cover 2, through the effect of bolt, can realize that installation cover 2 is fixed and demolishd at hammer block 1 surface, and then use the electric hammer through the fixed of installation cover 2, accomodate and carry the electric hammer of being convenient for through demolishing installation cover 2.

Further, the dead lever 23 is two sets of fixed connection on the surface of constant head tank 22, and movable lever 24 is four sets of and corresponds to be connected with dead lever 23, and the one end and the dead lever 23 fixed connection of spring 26, the other end and the movable lever 24 fixed connection of spring 26, movable lever 24 cup joint on the surface of dead lever 23, and when boring through drill bit 12, movable lever 24 receives the extrusion and can move on the surface of dead lever 23, through the cooperation of movable lever 24 and dead lever 23, can fix a position the drilling, and then can avoid taking place the condition of skew or dislocation when drilling the operation.

Further, the surface of installation cover 2 is provided with protection machanism, protection machanism includes first protection casing 3, spout 31 has been seted up to the surface of first protection casing 3 fixed connection at installation cover 2, the surface swing joint of spout 31 has slider 32, the one end fixedly connected with second protection casing 33 of spout 31 is kept away from to slider 32, the inner wall fixedly connected with connecting block 34 of second protection casing 33, the setting of first protection casing 3 and second protection casing 33 can play the effect of protection to the staff when drilling, the piece emergence when can avoid drill bit 12 drilling splashes, thereby lead to the staff to be injured, also can play dirt-proof effect simultaneously.

Further, the first protection casing 3 is two sets of and corresponds to be connected with the installation cover 2, the spout 31 is three sets of inner walls of seting up at the first protection casing 3, the slider 32 is six sets of and the spout 31 corresponds to be connected, the spout 31 is seted up at the inner wall of the first protection casing 3, through the cooperation of spout 31 and slider 32, can realize spacing to the second protection casing 33, can avoid the second protection casing 33 to take place the skew under the effect of movable rod 24, and then be convenient for connecting block 34 remove under the effect of movable rod 24 for the protection effect of second protection casing 33 to the staff is better.

Further, the second protection casing 33 is movably connected with the sliding groove 31 through the sliding block 32, one end of the connecting block 34 is fixedly connected with the second protection casing 33, the other end of the connecting block 34 is fixedly connected with the movable rod 24, two ends of the connecting block 34 are respectively fixedly connected with the movable rod 24 and the second protection casing 33, when the movable rod 24 moves, the connecting block 34 drives the second protection casing 33 to move along with the movable rod 24, the second protection casing 33 can be always attached to the surface of a drilled object, and therefore fragments can be prevented from jumping out of gaps between the second protection casing 33 and the drilled object.

Working principle: during the use, cup joint the installation cover 2 on the surface of hammer block 1, make two sets of fixed blocks 21 and constant head tank 22 correspond to insert and close, then lock two sets of installation cover 2 through the bolt, realize the fixed at hammer block 1 surface of installation cover 2, when drilling through drill bit 12, make sucking disc 25 and the object contact of being drilled, can realize sucking disc 25 and adsorb the object of being drilled, along with drill bit 12 rotates and go deep into the inboard of being drilled the object, movable rod 24 receives the extrusion and can be at the surface activity of dead lever 23, spring 26 takes place deformation at this moment, reach the effect of fixing a position the drilling, simultaneously when need not using, through screwing the locking of bolt release two sets of installation cover 2, can realize taking off installation cover 2 whole from hammer block 1.

The first protective cover 3 and the second protective cover 33 are sleeved on the surface of the drill bit 12, workers are protected during drilling, when the movable rod 24 moves on the surface of the fixed rod 23, the connecting block 34 can drive the second protective cover 33 to move along with the movable rod 24, the second protective cover 33 can slide on the surface of the sliding groove 31 through the sliding block 32, and the effect that the second protective cover 33 is always attached to the surface of a drilled object is achieved.

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 pneumatic impact electric hammer comprises a shell, wherein the shell comprises a hammer body (1), a grip (11) is arranged on the surface of the hammer body (1), and a drill bit (12) is arranged on the surface of the hammer body (1);

the novel hammer is characterized in that a positioning mechanism is arranged on the surface of the hammer body (1), the positioning mechanism comprises a mounting sleeve (2), the mounting sleeve (2) is sleeved on the surface of the hammer body (1), a fixing block (21) is fixedly connected with the inner wall of the mounting sleeve (2), a positioning groove (22) is formed in the surface of the hammer body (1), a fixing rod (23) is fixedly connected with the surface of the mounting sleeve (2), a movable rod (24) is sleeved on the surface of the fixing rod (23), a sucker (25) is fixedly connected with one end of the movable rod (24) away from the fixing rod (23), and a spring (26) is fixedly connected with the inner wall of the movable rod (24).

2. A pneumatic impact electric hammer as claimed in claim 1, wherein: the two groups of the installation sleeves (2) are fixed through bolts, the two groups of the fixing blocks (21) are correspondingly connected with the installation sleeves (2), and the two groups of the positioning grooves (22) are formed in the surface of the hammer body (1).

3. A pneumatic impact electric hammer as claimed in claim 1, wherein: the fixed rods (23) are fixedly connected to the surfaces of the positioning grooves (22), the movable rods (24) are correspondingly connected with the fixed rods (23), one ends of the springs (26) are fixedly connected with the fixed rods (23), and the other ends of the springs (26) are fixedly connected with the movable rods (24).

4. A pneumatic impact electric hammer as claimed in claim 1, wherein: the surface of installation cover (2) is provided with protection machanism, protection machanism includes first protection casing (3), first protection casing (3) fixed connection is at the surface of installation cover (2), spout (31) have been seted up to the inner wall of first protection casing (3), the surface swing joint of spout (31) has slider (32), one end fixedly connected with second protection casing (33) of spout (31) are kept away from to slider (32), the inner wall fixedly connected with connecting block (34) of second protection casing (33).

5. The pneumatic impact electric hammer of claim 4, wherein: the first protection cover (3) is connected with the installation sleeve (2) correspondingly in two groups, the sliding grooves (31) are formed in three groups and are formed in the inner wall of the first protection cover (3), and the sliding blocks (32) are connected with the sliding grooves (31) correspondingly in six groups.

6. The pneumatic impact electric hammer of claim 4, wherein: the second protection cover (33) is movably connected with the sliding groove (31) through the sliding block (32), one end of the connecting block (34) is fixedly connected with the second protection cover (33), and the other end of the connecting block (34) is fixedly connected with the movable rod (24).