CN212775415U - Water machine belt tensioning mechanism - Google Patents

Abstract

The utility model discloses a water machine belt straining device. It includes support, metal chassis, spring unit, tensioning assembly and tensioning belt, the support mounting on the metal chassis and rotate with the metal chassis and be connected, spring unit install the one end at the support and arrange in between support and the metal chassis, tensioning assembly include take-up pulley, shaft and bearing, the bearing install on the take-up pulley, the shaft is installed on the bearing, the take-up pulley pass through the bearing and the cooperation of shaft and install the other end at the support, tensioning belt and take-up pulley contact. The utility model has the advantages that: the tensioning belt contacted with the tensioning wheel is tensioned in real time by the tensioning wheel due to the action of the spring assembly; the bracket can be prevented from falling off from the metal chassis to influence the use of the whole mechanism; the firmness degree between the metal underframe and the bracket can be improved; the installation and the disassembly are convenient, and the later maintenance is convenient; high safety and stability.

Description

Water machine belt tensioning mechanism

Technical Field

The utility model belongs to the technical field of the relevant technique of dust catcher and specifically relates to indicate a water machine belt straining device.

Background

The vacuum cleaner can be divided into a vertical type, a horizontal type and a portable type according to the structure. The working principle of the dust collector is that the blades are driven by the motor to rotate at a high speed, air negative pressure is generated in the sealed shell, and dust is sucked. The dust collector mainly comprises three parts of dust generation, dust collection and dust filtration, and generally comprises a series excitation commutator motor, a centrifugal fan, a dust filter (bag) and a dust collection accessory. The vacuum cleaner includes a dry type vacuum cleaner and a wet type vacuum cleaner, in which water is added to perform a water spray dust suction operation on the floor, and is generally called a water machine. The existing water machine is not designed with a transmission belt, so that the transmission belt is only positioned between the driving shaft and the rolling brush shaft, and the tightness of the transmission belt cannot be adjusted, thereby greatly reducing the service life.

SUMMERY OF THE UTILITY MODEL

The utility model provides a overcome to have above-mentioned not enough among the prior art, provide a water machine belt straining device that can real-time tensioning belt.

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

the utility model provides a water machine belt straining device, includes support, metal chassis, spring unit, tensioning assembly and tensioning belt, the support mounting on the metal chassis and rotate with the metal chassis and be connected, spring unit install the one end at the support and arrange in between support and the metal chassis, tensioning assembly include take-up pulley, shaft and bearing, the bearing install on the take-up pulley, the shaft is installed on the bearing, the take-up pulley pass through the bearing and the cooperation of shaft and install the other end at the support, tensioning belt and take-up pulley contact.

When the device is used, the spring assembly is arranged between the support and the metal bottom frame, and the support is arranged on the metal bottom frame, so that the support can rotate on the metal bottom frame under the action of the spring assembly; the tensioning wheel is installed at the other end of the support through the matching of the bearing and the wheel shaft, the other end of the support is driven to move along with the rotation of one end of the support on the metal bottom frame, the tensioning wheel on the support acts on the tensioning belt through the movement of the other end of the support, and the tensioning belt is tensioned, so that the tensioning belt which is contacted with the tensioning wheel can be tensioned in real time through the action of the spring assembly even if the tensioning belt is loosened.

As preferred, the metal chassis be integrated into one piece, the metal chassis include bottom plate, deflector, limiting plate and locating plate, the deflector arrange the front end both sides of bottom plate in, the limiting plate arrange the middle one side of bottom plate in, the locating plate arrange the rear end both sides of bottom plate in, the front end of support is equipped with the guide way that matches with the deflector, middle one side of support be equipped with limiting plate assorted spacing groove, the rear end of support be equipped with locating plate assorted locating hole, spring unit install on the locating hole of support and be connected with the locating plate of metal chassis. The motion path of the front end of the bracket is limited in the guide groove through the design of the guide groove and the guide plate; the limiting groove and the limiting plate are matched for use, so that the bracket can be prevented from falling off from the metal underframe to influence the use of the whole mechanism; and the design of locating plate and locating hole can conveniently be in the same place and rotate with metal chassis and support mounting and be connected, and the design of locating plate can also improve the firm degree between metal chassis and the support moreover.

Preferably, the spring assembly comprises a torsion spring and a support shaft, a spring groove for mounting the torsion spring is formed in the rear end of the support, the positioning hole is formed in the spring groove, the torsion spring is mounted on the support shaft, the support shaft is mounted in the spring groove, and the support shaft penetrates through the positioning hole in the spring groove and is connected with the positioning plate on the metal bottom frame. Through the design of torsional spring, provide elastic force between support and the metal chassis, realize the tensioning operation of take-up pulley and tensioning belt.

Preferably, one end of the torsion spring is in contact with the bottom plate of the metal bottom frame, the other end of the torsion spring is in contact with the spring groove of the support, clamping grooves are formed in two ends of the support shaft, and E-shaped clamping rings are arranged in the clamping grooves. Through the design of the two ends of the torsion spring, the torsion spring can better act between the bracket and the metal underframe, so that the tensioning wheel on the bracket can better tension the tensioning belt on the bracket; and the design of E type rand and draw-in groove has made things convenient for the installation and the dismantlement of torsional spring, the maintenance of the later stage of being convenient for.

Preferably, the front end of the bracket is provided with a wheel groove for mounting the tensioning wheel, the wheel groove is internally provided with a shaft hole, the wheel groove is internally provided with a guide groove, the guide groove is communicated with the shaft hole, the shaft hole is arranged in the guide groove, the wheel shaft is mounted in the shaft hole of the wheel groove, and both ends of the wheel shaft are provided with shaft screws. Through the design of the guide groove, the wheel shaft can be conveniently installed in the shaft hole of the wheel groove; and the design of axle screw can conveniently dismantle and install the shaft.

Preferably, the shape of the limiting groove and the shape of the limiting plate are both T-shaped, and the longitudinal height of the limiting groove is smaller than that of the limiting plate. Through the structural design of spacing groove and limiting plate, can be better carry on spacingly to metal chassis and support, improved the stability of this mechanism.

The utility model has the advantages that: even if the tensioning belt loosens, the tensioning belt contacted with the tensioning belt can be tensioned by the tensioning wheel in real time due to the action of the spring assembly; the bracket can be prevented from falling off from the metal chassis to influence the use of the whole mechanism; the firmness degree between the metal underframe and the bracket can be improved; the installation and the disassembly are convenient, and the later maintenance is convenient; high safety and stability.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1. the tension device comprises a tension belt, 2, an E-shaped retainer ring, 3, a support shaft, 4, a torsion spring, 5, a metal bottom frame, 6, a positioning plate, 7, a limiting plate, 8, a bottom plate, 9, a guide plate, 10, a wheel shaft, 11, a bearing, 12, a shaft screw, 13, a tension wheel, 14, a guide groove, 15, a shaft hole, 16, a wheel groove, 17, a guide groove, 18, a limiting groove, 19, a support, 20, a positioning hole and 21, a clamping groove.

Detailed Description

The invention is further described with reference to the accompanying drawings and the detailed description.

In the embodiment shown in fig. 1, the belt tensioning mechanism of the water machine comprises a bracket 19, a metal chassis 5, a spring assembly, a tensioning assembly and a tensioning belt 1, wherein the bracket 19 is mounted on the metal chassis 5 and is rotatably connected with the metal chassis 5, the spring assembly is mounted at one end of the bracket 19 and is arranged between the bracket 19 and the metal chassis 5, the tensioning assembly comprises a tensioning wheel 13, a wheel shaft 10 and a bearing 11, the bearing 11 is mounted on the tensioning wheel 13, the wheel shaft 10 is mounted on the bearing 11, the tensioning wheel 13 is mounted at the other end of the bracket 19 through the matching of the bearing 11 and the wheel shaft 10, and the tensioning belt 1 is in contact with the tensioning wheel.

Metal chassis 5 is integrated into one piece, metal chassis 5 includes bottom plate 8, deflector 9, limiting plate 7 and locating plate 6, bottom plate 8's front end both sides are arranged in to deflector 9, bottom plate 8's centre one side is arranged in to limiting plate 7, bottom plate 8's rear end both sides are arranged in to locating plate 6, support 19's front end is equipped with deflector 9 assorted guide way 14, support 19's centre one side be equipped with limiting plate 7 assorted spacing groove 18, support 19's rear end be equipped with locating plate 6 assorted locating hole 20, spring unit installs on support 19's locating hole 20 and is connected with metal chassis 5's locating plate 6. The front end of the bracket 19 is provided with a wheel groove 16 for mounting the tension wheel 13, the wheel groove 16 is internally provided with a shaft hole 15, the wheel groove 16 is internally provided with a guide groove 17, the guide groove 17 is communicated with the shaft hole 15, the shaft hole 15 is arranged in the guide groove 17, the wheel shaft 10 is mounted in the shaft hole 15 of the wheel groove 16, and both ends of the wheel shaft 10 are provided with shaft screws 12. The shape of the limiting groove 18 and the shape of the limiting plate 7 are both T-shaped, and the longitudinal height of the limiting groove 18 is smaller than that of the limiting plate 7.

The spring assembly comprises a torsion spring 4 and a support shaft 3, the rear end of the support 19 is provided with a spring groove for mounting the torsion spring 4, a positioning hole 20 is arranged in the spring groove, the torsion spring 4 is mounted on the support shaft 3, the support shaft 3 is mounted in the spring groove, and the support shaft 3 penetrates through the positioning hole 20 in the spring groove to be connected with a positioning plate 6 on the metal chassis 5. One end of the torsion spring 4 is in contact with a bottom plate 8 of the metal bottom frame 5, the other end of the torsion spring 4 is in contact with a spring groove of the support 19, clamping grooves 21 are formed in two ends of the support shaft 3, and an E-shaped clamping ring 2 is arranged in each clamping groove 21.

When the device is used, the torsion spring 4 is installed in a spring groove of the support 19 through the support shaft 3, the support shaft 3 penetrates through a positioning hole 20 on the support 19 and a positioning plate 6 on the metal underframe 5 to be fixed through the matching of the E-shaped clamping ring 2 and the clamping groove 21, the support 19 is limited on the metal underframe 5 through the limiting groove 18 and the limiting plate 7, and the torsion spring 4 is arranged between the support 19 and the metal underframe 5 to enable the support 19 to rotate on the metal underframe 5; the tension pulley 13 is installed in the pulley groove 16 of the bracket 19 through the matching of the bearing 11 and the wheel shaft 10, and the rotation of the bracket 19 on the metal chassis 5 along with the action of the torsion spring 4 drives the tension pulley 13 on the bracket 19 to act, and simultaneously the guide plate 9 on the metal chassis 5 acts in the guide groove 14 of the bracket 19, and the action of the bracket 19 causes the tension pulley 13 on the bracket to act on the tension belt 1 to perform the tension operation on the tension belt 1.

Claims (6)

1. The utility model provides a water machine belt straining device, characterized by, includes support (19), metal chassis (5), spring unit, tensioning assembly and tensioning belt (1), support (19) install on metal chassis (5) and rotate with metal chassis (5) and be connected, spring unit install the one end of support (19) and place in between support (19) and metal chassis (5), tensioning assembly include take-up pulley (13), shaft (10) and bearing (11), bearing (11) install on take-up pulley (13), shaft (10) are installed on bearing (11), take-up pulley (13) install the other end at support (19) through the cooperation of bearing (11) and shaft (10), tensioning belt (1) contact with take-up pulley (13).

2. A water machine belt tensioning mechanism as claimed in claim 1, wherein the metal base frame (5) is integrally formed, the metal underframe (5) comprises a bottom plate (8), a guide plate (9), a limiting plate (7) and a positioning plate (6), the guide plates (9) are arranged at two sides of the front end of the bottom plate (8), the limit plate (7) is arranged at one side of the middle of the bottom plate (8), the positioning plates (6) are arranged on two sides of the rear end of the bottom plate (8), the front end of the bracket (19) is provided with a guide groove (14) matched with the guide plate (9), a limiting groove (18) matched with the limiting plate (7) is arranged at one side of the middle of the bracket (19), the rear end of the bracket (19) is provided with a positioning hole (20) matched with the positioning plate (6), the spring assembly is arranged on a positioning hole (20) of the bracket (19) and is connected with a positioning plate (6) of the metal bottom frame (5).

3. The belt tensioning mechanism of the water machine as claimed in claim 2, wherein the spring assembly comprises a torsion spring (4) and a support shaft (3), a spring groove for mounting the torsion spring (4) is formed in the rear end of the support (19), the positioning hole (20) is formed in the spring groove, the torsion spring (4) is mounted on the support shaft (3), the support shaft (3) is mounted in the spring groove, and the support shaft (3) penetrates through the positioning hole (20) in the spring groove to be connected with the positioning plate (6) on the metal chassis (5).

4. The belt tensioning mechanism of the water machine as claimed in claim 3, wherein one end of the torsion spring (4) is in contact with the bottom plate (8) of the metal chassis (5), the other end of the torsion spring (4) is in contact with the spring groove of the bracket (19), two ends of the bracket shaft (3) are provided with clamping grooves (21), and the clamping grooves (21) are internally provided with E-shaped clamping rings (2).

5. The belt tensioning mechanism of the water machine as claimed in claim 2, wherein the front end of the bracket (19) is provided with a pulley groove (16) for mounting the tensioning pulley (13), the pulley groove (16) is internally provided with a shaft hole (15), the pulley groove (16) is internally provided with a guide groove (17), the guide groove (17) is communicated with the shaft hole (15), the shaft hole (15) is arranged in the guide groove (17), the wheel shaft (10) is mounted in the shaft hole (15) of the pulley groove (16), and both ends of the wheel shaft (10) are provided with shaft screws (12).

6. The belt tensioning mechanism of the water machine as claimed in claim 2, wherein the shape of the limiting groove (18) and the shape of the limiting plate (7) are both T-shaped, and the longitudinal height of the limiting groove (18) is smaller than the longitudinal height of the limiting plate (7).

Images