CN211714608U

CN211714608U - Concrete vibrator

Info

Publication number: CN211714608U
Application number: CN201921698951.5U
Authority: CN
Inventors: 徐勇正; 姚俊超
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-11
Filing date: 2019-10-11
Publication date: 2020-10-20
Anticipated expiration: 2029-10-11

Abstract

The utility model discloses a concrete vibrator, which aims at overcoming the problems of low disassembly and assembly efficiency and troublesome operation in the prior art, and comprises a driving device and a vibrating rod, wherein the driving device comprises a crankshaft, the vibrating rod comprises a transmission shaft, the crankshaft can be inserted on the transmission shaft, when the crankshaft is inserted on the transmission shaft, the crankshaft can drive the transmission shaft to rotate, the driving device is provided with a first cylinder, the crankshaft is positioned in the first cylinder, the vibrating rod is provided with a second cylinder, the second cylinder can be inserted in the first cylinder, the transmission shaft is positioned in the second cylinder, when the second cylinder is inserted in the first cylinder, the crankshaft is inserted on the transmission shaft, the first cylinder is provided with a clamping groove, the second cylinder is formed with a clamping block, the second cylinder inserted in the first cylinder is rotated, the clamping block can be clamped in the clamping groove, thereby the crankshaft is axially fixed on the transmission shaft, the assembly can be completed by one-insertion two-rotation, has the advantages of quick assembly and disassembly and simple and convenient operation.

Description

Concrete vibrator

Technical Field

The utility model belongs to an electric tool, in particular to a concrete vibrator.

Background

A concrete vibrator, also called a concrete vibrator, is an electric tool for compacting concrete by vibration, and is widely used in the field of civil engineering to solve the problem that the concrete after being mixed contains a large amount of gas and moisture during the concrete pouring process.

The utility model discloses a china that has publicly issued NO. CN208702167U discloses a portable concrete vibrator, and it includes vibrator body and flexible rubber hose, is fixed with vibration transmission pole on the vibrator body, and vibration transmission pole is provided with the screwed pipe just, and threaded connection has the threaded sleeve pipe on the screwed pipe, and threaded sleeve connects in flexible rubber hose's one end, realizes the dismouting of flexible rubber hose and vibrator body through screwed pipe and threaded sleeve's dismouting.

However, the prior art is not perfect, and due to the needs of independent use, cleaning, carrying, storage and the like, the vibrator body and the rubber hose need to be frequently disassembled and assembled, and the threaded connection mode has the problems of low disassembling and assembling efficiency, troublesome operation and easy damage of threads caused by dirt.

SUMMERY OF THE UTILITY MODEL

For overcoming the not enough and problem that exists of prior art, the utility model provides a but quick assembly disassembly, easy and simple to handle and the reliable concrete vibrator of structure.

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

the utility model provides a concrete vibrator, including drive arrangement and vibrting spear, drive arrangement includes the spindle, the vibrting spear includes the transmission shaft, the spindle can be pegged graft on the transmission shaft, peg graft on the transmission shaft when the spindle, the spindle can drive the transmission shaft rotatory, the last first drum that is provided with of drive arrangement, the spindle is located first drum, be provided with the second drum on the vibrting spear, the second drum can be pegged graft in first drum, the transmission shaft is located the second drum, peg graft in first drum when the second drum, the spindle is pegged graft on the transmission shaft, the draw-in groove has been seted up on the first drum, be formed with the fixture block on the second drum, rotate the second drum of pegging graft in first drum, the fixture block can be gone into in the draw-in groove, thereby.

Preferably, the clamping groove is L-shaped in overall structure, the clamping groove is formed in the side face of the first cylinder, and the clamping block is formed in the side face of the second cylinder.

Preferably, the clamping blocks correspond to the clamping grooves one by one, at least two clamping blocks are arranged, and the clamping blocks are uniformly formed on the side surface of the second cylinder along the circumferential direction of the second cylinder.

Preferably, the vibrating spear includes rubber tube and vibrating head, and the fixed one end that sets up at the rubber tube of second drum, transmission shaft and vibrating head set up respectively at the both ends of rubber tube, and the transmission shaft transmission is connected on vibrating head, and the transmission shaft can drive vibrating head and produce the vibration.

Preferably, the driving device comprises a casing, the whole structure of the casing is in a handle rod shape, the first cylinder is fixedly arranged at one end of the casing, a switch is arranged on the side face of the casing, a motor is fixedly arranged in the casing, the switch is electrically connected to the motor and used for controlling the starting and stopping of the motor, and the crankshaft is arranged on the motor.

Preferably, the driving device further comprises a lithium battery pack, the lithium battery pack is detachably arranged at the other end of the casing, and the lithium battery pack is electrically connected to the motor.

Preferably, the casing includes left half shell and right half shell, and left half shell and right half shell cooperation form the casing, and motor, switch set up respectively between left half shell and right half shell.

Preferably, the transmission shaft is provided with a shaft hole, and the crankshaft is inserted in the shaft hole.

Compared with the prior art, the utility model outstanding and profitable technological effect is: when using this concrete vibrator, user can hand drive arrangement and vibrting spear, peg graft the second drum in first drum, the spindle is pegged graft on the transmission shaft, rotatory second drum again, the draw-in groove can be blocked to the fixture block, thereby drive arrangement assembles the use on the vibrting spear, need not with the help of the instrument, one inserts two and changes and can accomplish the equipment, the connection structure of fixture block and draw-in groove has replaced traditional threaded connection's structure, it resistance to wears to have improved, anti-interference ability, also be convenient for clear up and be infected with the spot, consequently this concrete vibrator has quick assembly disassembly, easy and simple to handle and durable advantage.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is an exploded view of the driving device of the present invention;

FIG. 3 is a schematic structural view of the vibrating rod of the present invention;

in the figure: 1-driving device, 2-vibrating rod, 11-left half shell, 12-right half shell, 13-motor, 14-first cylinder, 15-lithium battery pack, 16-switch, 21-transmission shaft, 22-rubber tube, 23-vibrating head, 24-second cylinder, 25-handle, 131-machine shaft, 141-clamping groove, 211-shaft hole and 241-clamping block.

Detailed Description

To facilitate understanding of those skilled in the art, the present invention will be further described with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 3, a concrete vibrator includes a driving device 1 and a vibrating rod 2, and the driving device 1 is used as a power source for driving the vibrating rod 2 to generate vibration.

The driving device 1 comprises a hollow casing, the whole structure of the casing is in a handle rod shape, and a user can hold the casing by hand to operate, so that the concrete vibrator has the advantages of portability, convenience in operation and disassembly and assembly.

The motor 13 is fixedly arranged in the machine shell, the motor 13 comprises a machine shaft 131, the machine shaft 131 is arranged outside one end of the machine shell, the motor 13 is started, and the machine shaft 131 rotates. The switch 16 is arranged on the side face of the machine shell, the switch 16 is electrically connected to the motor 13, the switch 16 is used for controlling starting and stopping of the motor 13, a user can control the switch 16 through a hand held on the machine shell, and operation convenience is improved.

The casing includes left half shell 11 and right half shell 12, and left half shell 11 and right half shell 12 are symmetrical structure each other, and left half shell 11 and right half shell 12 cooperate and form the casing, and motor 13, switch 16 set up respectively between left half shell 11 and right half shell 12 to the equipment between drive arrangement 1's the part has been made things convenient for.

Drive arrangement 1 still includes lithium battery package 15, and lithium battery package 15 can dismantle the setting at the other end of casing, and lithium battery package 15 electricity is connected on motor 13, and lithium battery package 15 is used for providing the electric energy to motor 13, and when lithium battery package 15 electric quantity appeared when not enough, can dismantle lithium battery package 15, charges alone and change another lithium battery package 15 and use to the duration of a journey ability of equipment has been improved.

The vibrating rod 2 comprises a transmission shaft 21, a rubber tube 22 and a vibrating head 23, the transmission shaft 21 and the vibrating head 23 are respectively arranged at two ends of the rubber tube 22, the transmission shaft 21 is rotatably arranged at one end of the rubber tube 22, the transmission shaft 21 is in transmission connection with the vibrating head 23, when the transmission shaft 21 rotates, the vibrating head 23 can vibrate, the vibrating head 23 is inserted into concrete, and the concrete can be compacted.

One end of the rubber tube 22 is also fixedly provided with a handle 25, and the handle 25 and the second cylinder 24 are positioned at the same end, so that the two hands of a user can respectively grasp the handle 25 and the shell to use the concrete vibrator, and the operation is further convenient.

The transmission shaft 21 is provided with a shaft hole 211, the cross section of the shaft hole 211 is a regular hexagon, the shaft hole 211 is arranged at the end part of the transmission shaft 21 along the axial direction of the transmission shaft 21, the shaft hole 211 is matched with the crankshaft 131, the crankshaft 131 can be inserted into the shaft hole 211 of the transmission shaft 21, and when the crankshaft 131 is inserted into the shaft hole 211 of the transmission shaft 21, the crankshaft 131 can drive the transmission shaft 21 to rotate.

The transmission shaft 21 is provided with a chamfer, the chamfer on the transmission shaft 21 is positioned at the outer end of the shaft hole 211, when the shaft 131 is inserted into the transmission shaft 21, the chamfer on the transmission shaft 21 plays a role in guiding the insertion of the shaft 131, and the shaft 131 is conveniently inserted.

The driving device 1 is provided with a first cylinder 14, the first cylinder 14 is a revolving body, the first cylinder 14 is specifically and fixedly arranged at one end of a casing, a crankshaft 131 is positioned in the first cylinder 14, the crankshaft 131 is positioned on a central shaft of the first cylinder 14, the vibrating rod 2 is provided with a second cylinder 24, the second cylinder 24 is a revolving body, the second cylinder 24 is specifically and fixedly arranged at one end of a rubber tube 22, a transmission shaft 21 is positioned in the second cylinder 24, the transmission shaft 21 is positioned on the central shaft of the second cylinder 24, the second cylinder 24 can be inserted into the first cylinder 14, and when the second cylinder 24 is inserted into the first cylinder 14, the crankshaft 131 is inserted into a shaft hole 211 of the transmission shaft 21.

The outer end of the second cylinder 24 is formed with a chamfer, and when the second cylinder 24 is inserted into the first cylinder 14, the chamfer at the outer end of the second cylinder 24 plays a guiding role in the insertion of the second cylinder 24, so that the second cylinder 24 can be conveniently inserted.

The first cylinder 14 is provided with a locking groove 141, the second cylinder 24 is provided with a locking block 241, the second cylinder 24 inserted into the first cylinder 14 is rotated, and the locking block 241 can be locked into the locking groove 141, so that the crankshaft 131 is axially fixed on the transmission shaft 21.

The whole structure of the clamping groove 141 is L-shaped, the clamping groove 141 is formed in the side face of the first cylinder 14, the clamping block 241 is formed in the side face of the second cylinder 24, when the second cylinder 24 is inserted into the first cylinder 14, the clamping block 241 enters the clamping groove 141, the clamping groove 141 plays a role in guiding the insertion of the second cylinder 24, the insertion depth of the second cylinder 24 is limited, and when the clamping block 241 is located at the bottom of the clamping groove 141, the second cylinder 24 is rotated, and the assembly can be completed.

The two clamping blocks 241 correspond to the two clamping grooves 141 one by one, the two clamping blocks 241 are also two, the clamping blocks 241 are uniformly formed on the side surface of the second cylinder 24 along the circumferential direction of the second cylinder 24, and the clamping grooves 141 are uniformly formed on the side surface of the first cylinder 14 along the circumferential direction of the first cylinder 14, so that the assembling firmness of the first cylinder 14 and the second cylinder 24 is further improved.

When using this concrete vibrator, the user can hand drive arrangement 1 and vibrting spear 2, peg graft second drum 24 in first drum 14, spindle 131 pegs graft on transmission shaft 21, rotatory second drum 24 again, draw-in groove 141 can be blocked to fixture block 241, thereby drive arrangement 1 assembles the use on vibrting spear 2, need not with the help of the instrument, one inserts two and changes and can accomplish the equipment, fixture block 241 and draw-in groove 141's connection structure has replaced traditional threaded connection's structure, resistance to wears is improved, anti-interference ability, also be convenient for clear up and be infected with the spot, consequently this concrete vibrator has quick assembly disassembly, easy and simple to handle and durable advantage.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A concrete vibrator comprises a driving device (1) and a vibrating rod (2), wherein the driving device (1) comprises a crankshaft (131), the vibrating rod (2) comprises a transmission shaft (21), the crankshaft (131) can be inserted into the transmission shaft (21), when the crankshaft (131) is inserted into the transmission shaft (21), the crankshaft (131) can drive the transmission shaft (21) to rotate, the concrete vibrator is characterized in that a first cylinder (14) is arranged on the driving device (1), the crankshaft (131) is positioned in the first cylinder (14), a second cylinder (24) is arranged on the vibrating rod (2), the second cylinder (24) can be inserted into the first cylinder (14), the transmission shaft (21) is positioned in the second cylinder (24), when the second cylinder (24) is inserted into the first cylinder (14), the crankshaft (131) is inserted into the transmission shaft (21), and a clamping groove (141) is formed in the first cylinder (14), a clamping block (241) is formed on the second cylinder (24), the second cylinder (24) is rotatably inserted into the first cylinder (14), and the clamping block (241) can be clamped into the clamping groove (141), so that the crankshaft (131) is axially fixed on the transmission shaft (21).

2. The concrete vibrator according to claim 1, wherein the whole structure of the catching groove (141) is in an "L" shape, the catching groove (141) is opened at a side surface of the first cylinder (14), and the catching block (241) is formed at a side surface of the second cylinder (24).

3. The concrete vibrator according to claim 1 or 2, wherein the clamping blocks (241) correspond to the clamping grooves (141) one by one, at least two clamping blocks (241) are arranged, and the clamping blocks (241) are uniformly formed on the side surface of the second cylinder (24) along the circumferential direction of the second cylinder (24).

4. The concrete vibrator according to claim 1, wherein the vibrating rod (2) comprises a rubber tube (22) and a vibrating head (23), the second cylinder (24) is fixedly arranged at one end of the rubber tube (22), the transmission shaft (21) and the vibrating head (23) are respectively arranged at two ends of the rubber tube (22), the transmission shaft (21) is in transmission connection with the vibrating head (23), and the transmission shaft (21) can drive the vibrating head (23) to vibrate.

5. A concrete vibrator according to claim 1, characterized in that the driving device (1) comprises a housing, the whole structure of the housing is in the shape of a handle bar, the first cylinder (14) is fixedly arranged at one end of the housing, a switch (16) is arranged at the side surface of the housing, a motor (13) is fixedly arranged in the housing, the switch (16) is electrically connected to the motor (13), the switch (16) is used for controlling the start and stop of the motor (13), and the machine shaft (131) is arranged on the motor (13).

6. The concrete vibrator according to claim 5, wherein the driving device (1) further comprises a lithium battery pack (15), the lithium battery pack (15) is detachably arranged at the other end of the casing, and the lithium battery pack (15) is electrically connected to the motor (13).

7. A concrete vibrator according to claim 5 or 6, characterized in that the casing comprises a left half shell (11) and a right half shell (12), the left half shell (11) and the right half shell (12) cooperate to form the casing, and the motor (13) and the switch (16) are respectively arranged between the left half shell (11) and the right half shell (12).

8. The concrete vibrator according to claim 1, wherein the transmission shaft (21) is formed with a shaft hole (211), and the machine shaft (131) is inserted into the shaft hole (211).