CN210335385U - Novel fastening bolt and terrace grinding machine - Google Patents

Abstract

The utility model belongs to the technical field of the terrace die machine, a novel fastening bolt and terrace die grind machine is proposed, including the bolt cylinder, the one end of bolt cylinder is provided with the bolt cap, and the other end sets up slottedly along bolt cylinder length direction, and the inslot rotation is provided with the dop, and the cover is equipped with the spring on the bolt cylinder. Through above-mentioned technical scheme, the inconvenient problem of terrace grinder junction installation dismantlement among the prior art has been solved.

Description

Novel fastening bolt and terrace grinding machine

Technical Field

The utility model belongs to the technical field of the terrace grinds machine, a novel fastening bolt and terrace grind machine is related to.

Background

The floor grinding machine is used for grinding the ground and can effectively grind terrazzo, a concrete surface layer, an epoxy mortar layer and the like. The connection of each position all uses the bolt tightening of band screw thread to fix in current terrace grinds machine, and this kind of method leads to artifical installation to dismantle inconvenient, has prolonged workman's operating time.

SUMMERY OF THE UTILITY MODEL

The utility model provides a novel fastening bolt and terrace grind machine has solved among the prior art terrace and has ground the installation of machine junction and dismantle inconvenient problem.

The technical scheme of the utility model is realized like this:

the utility model provides a novel fastening bolt and terrace grind machine, includes:

the bolt comprises a bolt cylinder, wherein a bolt cap is arranged at one end of the bolt cylinder, a groove is formed in the length direction of the bolt cylinder at the other end of the bolt cylinder, a clamping head is arranged in the groove in a rotating mode, and a spring is sleeved on the bolt cylinder.

As a further technical scheme, the clamping head is rotationally connected with the bolt cylinder through a pin shaft.

As a further technical solution, the length of the chuck is greater than the depth of the groove, and the width of the chuck is the same as the width of the groove.

As a further technical proposal, the method also comprises

A machine frame, a plurality of guide rails and a plurality of guide rails,

a hand-held folding frame connected with the frame through the fastening bolt,

a grinding mechanism which is rotatably arranged below one end of the frame,

and the traveling mechanism is arranged below the other end of the rack.

As a further technical scheme, both sides of the grinding mechanism are vertically provided with fixing pieces, the fixing pieces are connected with the frame through the fastening bolts, the fixing pieces are provided with through holes for the bolt columns to pass through, the diameter of the through holes is smaller than the inner diameter of the spring, the diameter of the through holes is smaller than the length of the clamping heads,

after the bolt cylinder sequentially penetrates through the through hole and the rack, the clamping head rotates and clamps the fixing piece and the rack.

As a further technical proposal, the hand-held folding rack comprises a first fixed rack,

a second fixed frame hinged with the first fixed frame,

an adjusting circular plate fixedly arranged at the end part of the second fixing frame,

a limiting shaft vertically penetrates through the adjusting round plate,

the clamping piece is fixedly arranged on the second fixing frame and clamped on the limiting shaft after rotating along with the second fixing frame,

and an arc-shaped hole for the movement of the limiting shaft is formed in the adjusting circular plate.

As a further technical scheme, the clamping piece comprises a base plate fixed on the second fixing frame, a rotating shaft is arranged on one side of the base plate close to the second fixing frame, two clamping plates are hinged on the rotating shaft, one ends of the two clamping plates are connected through a connecting shaft, the other ends of the two clamping plates vertically penetrate through the base plate,

a torsion spring is sleeved on the rotating shaft between the two clamping plates, and the end part of the torsion spring abuts against the connecting shaft.

As a further technical scheme, a wrench is arranged on one side, away from the rotating shaft, of the substrate, the wrenches are fixedly arranged on the two clamping plates, and the wrenches are L-shaped.

The utility model discloses a theory of operation and beneficial effect do:

1. the utility model discloses in, the cap of bolt on the bolt cylinder is used for blocking the object that is fastened, the other end sets up slottedly, the axis direction setting of bolt cylinder is followed in the groove, dop at the inslot can rotate, after inserting downthehole by the fixed object, rotatory dop makes the axis of its axis and bolt cylinder not collineation, just can block the other end in hole, thereby the both ends in hole are fixed through dop and cap of bolt respectively, can save the process of taking screwed bolt up on the one hand, alleviate intensity of labour and the complexity of fixed object, on the other hand, can relax more when dismantling, directly take out from the hole that the dop is rotated to just can relax with the collineation of bolt cylinder axis. In addition, the spring is sleeved on the bolt cylinder, the compression effect can be achieved, the spring is compressed after the bolt cylinder is inserted into the hole, the inner diameter of the spring is larger than the inner diameter of the hole, the spring is blocked outside the hole, and after the clamping head is rotated, the bolt cylinder is not prone to shaking in the hole due to the restoring effect of the spring, so that the situation that the bolt falls off due to the fact that the clamping head caused by shaking in the using process is rotated is greatly reduced.

2. The utility model discloses in, be provided with the round pin axle on the bolt cylinder, the axis of round pin axle is perpendicular with the axis of bolt cylinder, and the round pin axle runs through both ends behind the groove and fixes on the inner wall of bolt cylinder, and the round pin axle runs through the dop, and the dop can rotate round the round pin axle. The end part of the clamping head extends out of the groove, so that the clamping head can be conveniently rotated by hands; the width of dop is the same with the width in groove, can guarantee dop and bolt cylinder cooperation, avoids holistic intensity to descend.

3. The utility model discloses in, the frame is used for overall structure's support, and handheld folding leg is handrail when manual operation, can fold and expand, saves space after folding, can block after expanding, lets the people can make the power of going up. The grinding mechanism is used for grinding the ground, and the walking mechanism can provide walking and turning of the whole floor grinding machine. A fastening bolt is used for fixing between the frame and the grinding mechanism.

4. The utility model discloses in, the stationary blade is the part of being connected with the frame on grinding the mechanism, and the bolt cylinder passes the through-hole on the stationary blade, and the internal diameter of the spring on the bolt cylinder is greater than the through-hole diameter, and consequently when the bolt cylinder inserts in the through-hole, the spring is blockked outside, and after the dop of bolt cylinder free end passed the through-hole, the manual rotation dop made it not with bolt cylinder axis collineation, loosened the hand, and the frame was connected with the stationary blade this moment. The length of the spring can meet the requirement that the spring is compressed after being inserted into the through hole, so that the extrusion effect is generated, and the bolt does not shake.

5. The utility model discloses in, handheld folding leg is including first mount of articulated and second mount, the one end and the frame fixed connection of first mount, are provided with the adjustment plectane on the other end, and it has spacing axle to run through perpendicularly on the adjustment plectane, and spacing axle can slide from top to bottom along the second arc hole, can adjust the inclination of second mount through the position of adjusting spacing axle according to the height of people's hand to it is more comfortable to make people's operation. The second fixing frame is provided with a clamping piece, and the clamping piece clamps the limiting shaft after the second fixing frame rotates to avoid the rotation of the second fixing frame. The second fixing frame rotates reversely to rotate right above the first fixing frame, and is folded, so that the overall occupied area is reduced.

6. The utility model discloses in, the fastener is used for opening the back at the terrace and grinds the second support rotation of machine and fix with first support, makes it at suitable rigidity, makes things convenient for manual operation. The clamping piece comprises a substrate, the substrate is a flat plate, a rotating shaft is arranged on one side of the substrate, the axis of the rotating shaft is parallel to the plane of the substrate, the clamping plate rotates on the rotating shaft and vertically penetrates through the substrate, and the free end of the clamping plate is hook-shaped and can hook the first support. The connecting shaft is parallel to the axis of the rotating shaft, the connecting shaft and the rotating shaft are located on the same side of the substrate, and the connecting shaft is used for connecting the same end parts of the two clamping plates, so that the two clamping plates synchronously rotate, and a fulcrum for the torsion spring to abut against can be provided. A torsion spring is arranged on the rotating shaft between the two clamping plates, and when the clamping plates are free from other external forces, the torsion spring is used for enabling the free ends of the clamping plates to be close to the substrate.

7. The utility model discloses in, the spanner on the cardboard makes things convenient for manual operation, through hand power spanner, can balance the torsion spring effort that the cardboard received, makes cardboard opposite direction rotate.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic view of a three-dimensional structure of a fastening bolt of the present invention;

FIG. 2 is a schematic top view of the fastening bolt of the present invention;

FIG. 3 is a schematic view of the overall structure of the present invention;

fig. 4 is a schematic view of the three-dimensional structure of the clamping member of the present invention;

FIG. 5 is a schematic side view of the fastener of the present invention;

FIG. 6 is a schematic view of the structure of the connecting sheet of the present invention;

fig. 7 is a schematic view of the three-dimensional structure of the fixing frame of the present invention;

FIG. 8 is a schematic view of the structure of the utility model after the bolt is connected with the fixing plate;

FIG. 9 is a schematic view of the fixing plate of the present invention;

in the figure: 11-bolt cylinder, 12-bolt cap, 13-groove, 14-chuck, 15-spring, 16-pin shaft, 2-frame, 21-first arc hole, 3-grinding mechanism, 31-fixing piece, 32-through hole, 4-walking mechanism, 41-pedal, 42-wheel shaft, 43-connecting column, 44-connecting piece, 45-arc groove, 46-fixing frame, 47-elastic cushion plate, 5-handheld folding frame, 51-first fixing frame, 52-second fixing frame, 53-adjusting round plate, 54-limiting shaft, 55-clamping piece, 551-base plate, 552-rotating shaft, 553-clamping plate, 554-torsion spring, 555-spanner, 556-connecting shaft and 56-second arc hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1-9, the utility model provides a novel fastening bolt and terrace grinder, include:

the bolt comprises a bolt cylinder 11, wherein one end of the bolt cylinder 11 is provided with a bolt cap 12, the other end of the bolt cylinder 11 is provided with a groove 13 along the length direction of the bolt cylinder 11, a clamping head 14 is rotatably arranged in the groove 13, and the bolt cylinder 11 is sleeved with a spring 15.

In this embodiment, bolt cap 12 on bolt cylinder 11 is used for blocking the object that is fastened, the other end is provided with groove 13, groove 13 sets up along bolt cylinder 11's axis direction, dop 14 in groove 13 can rotate, after inserting the downthehole of the object that is fixed, rotatory dop 14 makes its axis and bolt cylinder 11's axis not collinear, just can block the other end in hole, thereby the both ends in hole are fixed through dop 14 and bolt cap 12 respectively, can save the process of taking screwed bolt up on the one hand, alleviate intensity of labour and the complexity of fixed object, on the other hand, can be more light when dismantling, directly rotate dop 14 to with bolt cylinder 11 axis collinear just can be light take out from the hole. In addition, cover spring 15 on bolt cylinder 11, can play the effect that compresses tightly, with bolt cylinder 11 downthehole back of inserting, spring 15 is compressed, and the internal diameter is bigger than the downthehole diameter, and spring 15 is blockked outside the hole, and after rotatory dop 14, spring 15's recovery effect makes bolt cylinder 11 be difficult to rock downthehole to greatly reduced in the use owing to rock the dop 14 that leads to and rotate, the condition that the bolt drops.

Further, the chuck 14 is rotatably connected to the bolt cylinder 11 by a pin 16.

In this embodiment, the bolt cylinder 11 is provided with a pin 16, an axis of the pin 16 is perpendicular to an axis of the bolt cylinder 11, both ends of the pin 16 are fixed on an inner wall of the bolt cylinder 11 after penetrating the groove 13, the pin 16 penetrates the chuck 14, and the chuck 14 can rotate around the pin 16.

Further, the length of the collet 14 is greater than the depth of the groove 13, and the width of the collet 14 is the same as the width of the groove 13.

In the embodiment, the end part of the clamping head 14 extends out of the groove 13, so that the clamping head 14 can be conveniently rotated by hands; the width of the clamping head 14 is the same as that of the groove 13, so that the clamping head 14 can be matched with the bolt column body 11, and the strength of the whole body is prevented from being reduced.

Further, the device also comprises a machine frame 2,

a hand-held folding frame 5 which is connected with the frame 2 through a fastening bolt,

a grinding mechanism 3 which is rotatably arranged below one end of the frame 2,

and the traveling mechanism 4 is arranged below the other end of the frame 2.

In this embodiment, frame 2 is used for overall structure's support, and handheld folding leg 5 is handrail when manual operation, can fold and expand, saves space after folding, can block after expanding, lets the people can make the power of going up. The grinding mechanism 3 is used for grinding the ground, and the walking mechanism 4 can provide walking and turning of the whole floor grinding machine. A fastening bolt is used for fixing between the frame 2 and the grinding mechanism 3.

Furthermore, both sides of the grinding mechanism 3 are vertically provided with fixing pieces 31, the fixing pieces 31 are connected with the frame 2 through fastening bolts, the fixing pieces 31 are provided with through holes 32 for the bolt columns 11 to pass through, the diameter of the through holes 32 is smaller than the inner diameter of the spring 15, the diameter of the through holes 32 is smaller than the length of the clamping heads 14,

after the bolt cylinder 11 passes through the through hole 32 and the frame 2 in sequence, the chuck 14 rotates and clamps the fixing piece 31 and the frame 2.

In this embodiment, the fixing plate 31 is a portion of the grinding mechanism 3 connected to the frame 2, the bolt shank 11 passes through the through hole 32 of the fixing plate 31, and the inner diameter of the spring 15 of the bolt shank 11 is larger than the diameter of the through hole 32, so that the spring 15 is blocked when the bolt shank 11 is inserted into the through hole 32, and after the chuck 14 at the free end of the bolt shank 11 passes through the through hole 32, the chuck 14 is manually rotated so as not to be in line with the axis of the bolt shank 11, and the frame 2 is connected to the fixing plate 31 by releasing the hand. The length of the spring 15 is sufficient to be compressed after insertion into the through hole 32, thereby generating a pressing action so that the bolt does not shake.

Further, the hand-held folding leg 5 includes a first fixing frame 51,

a second fixing frame 52 hinged with the first fixing frame 51,

an adjusting circular plate 53 fixedly arranged at the end of the second fixing frame 52,

a limit shaft 54 vertically penetrating the adjustment round plate 53,

a fastener 55 fixedly arranged on the second fixing frame 52 and clamped on the limiting shaft 54 after rotating along with the second fixing frame 52,

the adjusting circular plate 53 is provided with a second arc-shaped hole 56 for moving the limiting shaft 54.

In this embodiment, the handheld folding leg 5 includes a first fixing frame 51 and a second fixing frame 52 which are hinged to each other, one end of the first fixing frame 51 is fixedly connected to the frame 2, an adjusting circular plate 53 is disposed at the other end of the first fixing frame, a limiting shaft 54 vertically penetrates through the adjusting circular plate 53, the limiting shaft 54 can slide up and down along the second arc-shaped hole 56, and the inclination angle of the second fixing frame 5246 can be adjusted by adjusting the position of the limiting shaft 54 according to the height of a hand of a user, so that the operation of the user is more comfortable. The second fixing frame 52 is provided with a clamping piece 55, and after the second fixing frame 52 rotates, the clamping piece 55 clamps the limiting shaft 54 to avoid the rotation of the second fixing frame 52. The second fixing frame 52 can rotate to the position right above the first fixing frame 51 by rotating reversely, and the whole occupied land length is reduced.

Further, the clamping member 55 includes a base plate 551 fixed on the second fixing frame 52, a rotating shaft 552 is provided on one side of the base plate 551 close to the second fixing frame 52, two clamping plates 553 are hinged on the rotating shaft 552, one end of each of the two clamping plates 553 is connected through a connecting shaft, the other end vertically penetrates through the base plate 551,

a torsion spring 554 is fitted around the rotating shaft 552 between the two catch plates 553, and an end of the torsion spring 554 abuts against the connecting shaft 14.

In this embodiment, the clamping member 55 is used for being fixed with the first bracket after the second bracket of the floor grinding machine is rotated and opened, so that the second bracket is fixed at a proper position, and manual operation is facilitated. The clamping piece 55 comprises a base plate 551, the base plate 551 is a flat plate, a rotating shaft 552 is arranged on one side of the base plate 551, the axis of the rotating shaft 552 is parallel to the plane of the base plate 551, a clamping plate 553 rotates on the rotating shaft 552 and vertically penetrates through the base plate 551, and the free end of the clamping plate 553 is hook-shaped and can hook the first support. The connecting shaft 556 is parallel to the axis of the rotating shaft 552, the connecting shaft 556 and the rotating shaft 552 are located on the same side of the substrate 551, and the connecting shaft 556 is used for connecting the same end portions of the two clamping plates 553, so that the two clamping plates 553 rotate synchronously, and a fulcrum against which the torsion spring 55415 abuts can be provided. A torsion spring 55415 is provided on the rotary shaft 552 between the two card plates 553, and a torsion spring 55415 is provided for bringing the free ends of the card plates 553 close to the base 551 when the card plates 553 are not subjected to other external forces.

Further, one side of base plate 551, that is away from pivot 552, is provided with spanner 555, and spanner 555 is fixed to be set up on two cardboard 553, and spanner 555 is L shape.

In this embodiment, spanner 555 on cardboard 553 makes things convenient for manual operation, through hand power spanner 555, can balance the torsion spring 55415 effort that cardboard 553 received, makes cardboard 553 counter-current rotation.

Further, running gear 4 includes footboard 41, the articulated setting is in frame 2, shaft 42, the wrench movement sets up in frame 2 below, fixed mount 46 that is provided with on the shaft 42, the vertical spliced pole 43 that is provided with on the mount 46, spliced pole 43 free end passes frame 2 after articulated with footboard 41, be provided with elastic backing plate 47 between mount 46 and the frame 2, spliced pole 43 runs through elastic backing plate 47, be provided with first arc hole 21 on the frame 2, spliced pole 43 passes first arc hole 21 and moves along first arc hole 21.

In this embodiment, when the floor grinder is in a normal working movement state, the pedal 41 is horizontally placed on the frame 2, the twisting angle of the axle 42 is in a locking state, when the pedal 41 is lifted along the hinge joint, the pedal 41 drives the axle 42 to move upwards for a certain distance due to the extrusion of the elastic cushion plate 47, at this time, the axle 42 can be twisted, and after the movement direction is adjusted, the pedal 41 is put down, and the axle 42 is locked. The first arc-shaped hole 21 of the frame 2 is used for providing a space for the rotation of the connection column 43, thereby enabling the axle 42 to twist.

Further, both sides of the end portion of the pedal 41 are provided with connecting pieces 44, the plane where the connecting pieces 44 are located is perpendicular to the plane where the pedal 41 is located, the connecting pieces 44 are rotatably connected with the connecting column 43 through pin shafts, arc-shaped grooves 45 are circumferentially arranged on the connecting pieces 44, and the connecting pieces 44 drive the connecting column 43 to move up and down after the pedal rotates.

In this embodiment, the connection piece 44 is circumferentially provided with the arc concave arc groove 45, that is, the connection piece 44 is not circular in circumferential direction, the distance between a point in circumferential direction and the center of the through hole 32 is different, thus when the pedal 41 is placed horizontally or the free end is lifted, the distance between the center of the through hole 32 and the rack 2 is different, the distance between the arc concave arc groove 45 and the center of the through hole 32 is shorter, the distance between the arc concave arc groove 45 and the center of the through hole 32 is longer without the arc groove 45, the distance is adjusted by lifting or lowering the pedal 41, the connection column 43 drives the axle 42 to move upwards when the distance is large, and then the twisting angle of the axle 42 can be adjusted.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. The utility model provides a novel fastening bolt, its characterized in that, includes bolt cylinder (11), the one end of bolt cylinder (11) is provided with bolt cap (12), and the other end is followed bolt cylinder (11) length direction is provided with slotted (13), the internal rotation in groove (13) is provided with dop (14), the cover is equipped with spring (15) on bolt cylinder (11).

2. A new fastening screw according to claim 1, characterised in that the cartridge (14) is rotatably connected to the screw shank (11) by means of a pin (16).

3. A new fastening screw according to claim 1, characterised in that the length of the cartridge (14) is greater than the depth of the groove (13), the width of the cartridge (14) being the same as the width of the groove (13).

4. Floor grinding machine, characterized in that it comprises the new fastening bolt according to any one of claims 1-3, and further comprises

A machine frame (2),

a hand-held folding frame (5) which is connected with the frame (2) through the novel fastening bolt,

a grinding mechanism (3) which is rotatably arranged below one end of the frame (2),

and the traveling mechanism (4) is arranged below the other end of the rack (2).

5. Floor grinding machine according to claim 4, characterized in that the grinding mechanism (3) is vertically provided with fixing plates (31) on both sides, the fixing plates (31) are connected with the machine frame (2) through the fastening bolts, the fixing plates (31) are provided with through holes (32) for the bolt cylinders (11) to pass through, the diameter of the through holes (32) is smaller than the inner diameter of the spring (15), the diameter of the through holes (32) is smaller than the length of the chuck (14),

the bolt cylinder (11) penetrates through the through hole (32) and the rack (2) in sequence, and then the clamping head (14) rotates and clamps the fixing piece (31) and the rack (2).

6. Lawn grinder according to claim 4, characterized in that the hand-held folding leg (5) comprises a first fixing frame (51),

a second fixing frame (52) hinged with the first fixing frame (51),

an adjusting circular plate (53) fixedly arranged at the end part of the second fixing frame (52),

a limit shaft (54) vertically penetrating the adjusting round plate (53),

the clamping piece (55) is fixedly arranged on the second fixing frame (52) and clamped on the limiting shaft (54) after rotating along with the second fixing frame (52),

the adjusting circular plate (53) is provided with an arc-shaped hole (56) for the movement of the limiting shaft (54).

7. A terrace grinder as claimed in claim 6, wherein the clamper (55) comprises a base plate (551) fixed on the second fixing frame (52), a rotating shaft (552) is arranged on one side of the base plate (551) close to the second fixing frame (52), two clamping plates (553) are hinged on the rotating shaft (552), one end of the two clamping plates (553) is connected through a connecting shaft (556), and the other end vertically penetrates through the base plate (551),

a torsion spring (554) is sleeved on the rotating shaft (552) between the two clamping plates (553), and the end of the torsion spring (554) abuts against the connecting shaft (556).

8. A lawn grinder as claimed in claim 7, characterized in that a wrench (555) is arranged on the side of the base plate (551) away from the rotation shaft (552), the wrench (555) being fixedly arranged on the two clamping plates (553), the wrench (555) being L-shaped.

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