CN211785324U - Markable type hollowing hammer - Google Patents

Abstract

The utility model discloses a but mark formula hollowing hammer, including hammer handle and tup, the end connection of hammer handle has the telescopic link, the one end that the hammer handle was kept away from to the tup is fixed at the telescopic link, the notch has been seted up to the one end of tup, it has U type groove to slide in the notch, U type inslot interpolation is equipped with the marker pen, be equipped with the knob on the outer wall of tup, the one end fixedly connected with bull stick that the knob is close to the tup, the outer wall that the bull stick runs through the tup extends to fixedly connected with gear in the notch, the outer wall in U type groove contacts with the gear, and one side that U type groove is close to the gear is equipped with the sawtooth with gear engaged with, the notch is. The utility model discloses a strike through tup one end and carry out detection achievement, the other end sets up the marker pen and carries out marking achievement to empty drum department after rotating, has avoided secondary work, and the marker pen can stretch out simultaneously and withdraw, avoids colliding with outside striking.

Description

Markable type hollowing hammer

Technical Field

The utility model relates to a detect instrument technical field, especially relate to a but mark formula empty drum hammer.

Background

Empty drum detects hammer is a common empty drum and detects instrument, mainly is used for detecting the empty drum, and the empty drum is because there is the air to arouse in former brickwork and the dust layer, in the time of the detection, taps plastering layer and screed-coat with the empty drum hammer, if send dong sound promptly for the empty drum.

The existing empty drum hammer generally comprises a taper shank and a hammer head, does not have the marking function, cannot mark in time when finding the empty drum, and is inconvenient because a tool is additionally adopted for marking.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems in the background art and providing a marking type hollow drum hammer.

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

the utility model provides a but mark formula hollowing hammer, includes hammer handle and tup, the end connection of hammer handle has the telescopic link, the tup is fixed in the one end that the hammer handle was kept away from to the telescopic link, the notch has been seted up to the one end of tup, it has U type groove to slide in the notch, U type inslot interpolation is equipped with the marker pen, be equipped with the knob on the outer wall of tup, the knob is close to the one end fixedly connected with bull stick of tup, the outer wall that the bull stick runs through the tup extends to fixedly connected with gear in the notch, the outer wall in U type groove contacts with the gear, and one side that U type groove is close to the gear is equipped with the sawtooth with gear engaged with.

Preferably, the outer wall of the hammer handle is sleeved with an elastic foam sheath, and the outer wall of the elastic foam sheath is provided with a plurality of grooves.

Preferably, the end of the hammer handle far away from the telescopic rod is fixed with a pen bin, the end of the pen bin is rotatably connected with a cover plate, and a plurality of elastic iron sheets are uniformly distributed on the inner wall of the pen bin.

Preferably, the end part of the pen chamber and the cover plate are embedded with magnet blocks with opposite magnetism.

Preferably, stop gear is including seting up the opening on the notch inner wall, it has the slide bar to slide in the opening, be fixed with expanding spring between the tip of slide bar and the inner wall of opening, the other end of slide bar is fixed with the steel ball that contacts with U type groove outer wall, a plurality of arcs mouth have been seted up to one side that U type groove is close to the steel ball.

Preferably, a rotating opening is formed in the joint of the hammer head and the rotating rod, a bearing is fixed in the rotating opening, and the rotating rod is inserted in the bearing.

Compared with the prior art, this but mark formula hollowing hammer's advantage lies in:

1. the rotary knob is rotated to drive the gear to rotate, the U-shaped groove is driven to move towards the outer side through the meshing between the gear and the saw teeth outside the U-shaped groove, the marking pen is pushed out from the notch, one end of the hammer head is used for knocking the wall surface of the building to detect, when hollowing is detected, the hammer handle is rotated for one circle, and the marking pen is used for marking the hollowing;

2. when the U-shaped groove moves to a position where the steel balls are opposite to the arc-shaped opening, the steel balls are bounced into the arc-shaped opening under the elastic force action of the telescopic spring to fix the U-shaped groove, so that the U-shaped groove is prevented from moving back;

to sum up, the utility model discloses a strike through tup one end and carry out detection achievement, the other end sets up the marker pen and carries out marking achievement to empty drum department after rotating, has avoided secondary work, and the marker pen can stretch out simultaneously and withdraw, avoids colliding with outside striking.

Drawings

Fig. 1 is a schematic structural view of a markable empty drum hammer according to the present invention;

fig. 2 is a side view of a pen container in the markable empty drum hammer of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 1.

In the figure: 1 hammer handle, 2 telescopic links, 3 tups, 4 elasticity foam sheaths, 5 pen storehouses, 6 apron, 7 elasticity iron sheet, 8 notches, 9U type grooves, 10 marker pen, 11 gears, 12 expanding spring, 13 steel balls, 14 arc mouths.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a but mark formula hollowing hammer, including hammer handle 1 and tup 3, the end connection of hammer handle 1 has telescopic link 2, telescopic link 2 can adopt the pull telescopic link of common fishing rod formula, tup 3 is fixed in the one end of telescopic link 2 keeping away from hammer handle 1, the cover is equipped with elasticity foam sheath 4 on the outer wall of hammer handle 1, many recesses have been seted up on the outer wall of elasticity foam sheath 4, set up many recesses and increase the frictional force between palm and the elasticity foam sheath 4, the setting of elasticity foam sheath 4 has increased the comfort of gripping and has improved antiskid nature.

Hammer handle 1 keeps away from the one end of telescopic link 2 and is fixed with a storehouse 5, the tip of a storehouse 5 rotates and is connected with apron 6, it is equipped with the opposite magnet piece of magnetism to inlay on the tip of a storehouse 5 and the apron 6, evenly distributed has a plurality of elasticity iron sheets 7 on the inner wall of a storehouse 5, it is fixed to carry out the centre gripping to marker pen 10 through elasticity iron sheet 7, furtherly, also be equipped with elasticity iron sheet 7 on the inner wall of U type groove 9, store marker pen 10 in the storehouse 5 and carry out reserve, avoid marker pen 10 in the U type groove 9 to damage and can't carry out marking work.

One end of the hammer head 3 is provided with a notch 8, a U-shaped groove 9 is arranged in the notch 8 in a sliding manner, a marking pen 10 is inserted in the U-shaped groove 9, the outer wall of the hammer head 3 is provided with a knob, one end of the knob, which is close to the hammer head 3, is fixedly connected with a rotating rod, the rotating rod penetrates through the outer wall of the hammer head 3 and extends into the notch 8 and is fixedly connected with a gear 11, a rotating opening is formed in the joint of the hammer head 3 and the rotating rod, a bearing is fixed in the rotating opening and is inserted in the bearing, the bearing plays a role of supporting the rotating rod, the rotating rod rotates more smoothly in the bearing, the outer wall of the U-shaped groove 9 is contacted with the gear 11, one side, which is close to the gear 11, of the U-shaped groove 9 is provided with sawteeth meshed with the gear 11, the U-shaped groove 9 is accommodated in the notch 8 at ordinary times, collision with the outside, drive U type groove 9 and move toward the outside, make marker pen 10 release from notch 8, strike the building wall through the one end of tup 3 and detect, when detecting empty drum, rotate 1 round of hammer handle, carry out the mark of empty drum department through marker pen 10.

Be equipped with stop gear on the one side inner wall that gear 11 was kept away from to notch 8, stop gear is including seting up the opening on notch 8 inner wall, it has the slide bar to slide in the opening, be fixed with expanding spring 12 between the tip of slide bar and the inner wall of opening, the other end of slide bar is fixed with steel ball 13 that contacts with U type groove 9 outer wall, U type groove 9 has seted up a plurality of arcs mouth 14 near one side of steel ball 13, furthermore, the degree of depth of arcs mouth 14 is less than the radius of steel ball 13, when U type groove 9 moves to steel ball 13 and arcs mouth 14 position when confronting, steel ball 13 pops into arcs mouth 14 internal fixation to U type groove 9 under expanding spring 12's the spring action, prevent U type groove 9 and move back, when U type groove 9 continues to move, arcs mouth 14's inner wall extrusion steel ball 13 retracts, when moving to next arcs mouth 14 and steel ball 13 when confronting, steel ball.

Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.

Now, the operation principle of the present invention is explained as follows:

when the hollow hammer is used, the knob is rotated, the gear 11 is driven to rotate through the rotating rod, the U-shaped groove 9 is driven to move towards the outer side through the meshing of the gear 11 and the saw teeth, when the U-shaped groove 9 moves to the position that the steel ball 13 corresponds to one of the arc-shaped openings 14, under the action of the elastic force of the extension spring 12, the steel ball 13 is ejected into the arc-shaped opening 14 to fix the U-shaped groove 9, the U-shaped groove 9 is prevented from moving back, after the marking pen 10 is inserted into the U-shaped groove 9 for fixing, the height of the hammer head 3 is adjusted through the expansion of the expansion link 2 so as to adapt to the detection marking work at different positions, the building wall surface is knocked by one end of the hammer head 3 for detection, when the empty drum is detected, the hammer handle 1 is rotated for one circle, the marking pen 10 is used for marking the empty drum, after the detection work is finished, the marking pen 10 is retracted into the notch 8 by reversely rotating the knob, so that collision and collision are prevented.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides a but empty drum hammer of mark formula, includes hammer handle (1) and tup (3), its characterized in that, the end connection of hammer handle (1) has telescopic link (2), tup (3) are fixed in the one end of telescopic link (2) keeping away from hammer handle (1), notch (8) have been seted up to the one end of tup (3), it has U type groove (9) to slide in notch (8), U type groove (9) interpolation is equipped with marker pen (10), be equipped with the knob on the outer wall of tup (3), the one end fixedly connected with bull stick that the knob is close to tup (3), the outer wall that the bull stick runs through tup (3) extends to notch (8) internal fixation and is connected with gear (11), the outer wall in U type groove (9) contacts with gear (11), and one side that U type groove (9) are close to gear (11) is equipped with the sawtooth with gear (11) engaged with, and a limiting mechanism is arranged on the inner wall of one side of the notch (8) far away from the gear (11).

2. The markable air drum hammer according to claim 1, wherein the outer wall of the hammer handle (1) is sleeved with an elastic foam sheath (4), and the outer wall of the elastic foam sheath (4) is provided with a plurality of grooves.

3. The markable empty drum hammer according to claim 1, wherein a pen chamber (5) is fixed at one end of the hammer handle (1) far away from the telescopic rod (2), a cover plate (6) is rotatably connected to the end of the pen chamber (5), and a plurality of elastic iron sheets (7) are uniformly distributed on the inner wall of the pen chamber (5).

4. A markable empty drum hammer according to claim 3, wherein magnets of opposite magnetic properties are embedded in the end of the cartridge (5) and the cover plate (6).

5. A markable empty drum hammer according to claim 1, wherein the limiting mechanism comprises a through opening formed on the inner wall of the notch (8), a slide rod is slid in the through opening, a telescopic spring (12) is fixed between the end of the slide rod and the inner wall of the through opening, a steel ball (13) contacting with the outer wall of the U-shaped groove (9) is fixed at the other end of the slide rod, and a plurality of arc-shaped openings (14) are formed on one side of the U-shaped groove (9) close to the steel ball (13).

6. The marking type air drum hammer according to claim 1, wherein a rotating opening is formed at the joint of the hammer head (3) and the rotating rod, a bearing is fixed in the rotating opening, and the rotating rod is inserted in the bearing.

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