CN213064396U

CN213064396U - Elastic device for coupling of exhaust fan

Info

Publication number: CN213064396U
Application number: CN202021910734.0U
Authority: CN
Inventors: 李翱
Original assignee: Jiangsu Berdyadi Energy Saving Technology Co ltd
Current assignee: Jiangsu Berdyadi Energy Saving Technology Co ltd
Priority date: 2020-09-04
Filing date: 2020-09-04
Publication date: 2021-04-27
Anticipated expiration: 2030-09-04

Abstract

The utility model discloses an exhaust fan shaft coupling resilient means, comprising a main body, the outside of main part is provided with the montant, main part quantity is provided with two, the quantity of montant is provided with a plurality ofly, the montant sets up with the main part is perpendicular, first thread groove has been seted up to the inside of montant. Rotate first screw rod through first thread groove, first screw rod drives limit spring, limit spring drives the gag lever post at the inside up-and-down motion of first thread groove, when first screw rod goes up and down, drive gag lever post and work board through limit spring and extrude to inside, effectively avoid extrudeing the tight phenomenon of mistake, rotate the second screw rod through the second thread groove, break away from the block state between second screw rod and the draw-in groove, through the slip horizontal pole of first cross slot, thereby convenience of customers dismouting device body, simultaneously through the cooperation of horizontal pole and the inside first through-hole of gasket, inject the gasket position, the connectivity of device body has been guaranteed, the practicality of device has been improved.

Description

Elastic device for coupling of exhaust fan

Technical Field

The utility model relates to a shaft coupling technical field, concretely relates to exhaust fan shaft coupling resilient means.

Background

The shaft coupling is also called a shaft coupling, is used for firmly connecting a driving shaft and a driven shaft in different mechanisms together to rotate and transmitting mechanical parts of movement and torque, is sometimes used for connecting a connecting shaft and other parts by two halves, is respectively connected by a key or a tight fit and fastened at two shaft ends, and is connected by connecting the two halves in a certain mode, so that the shaft coupling can compensate offset between the two shafts due to inaccurate manufacturing and installation, deformation or thermal expansion in work and the like, and can alleviate impact and absorb vibration.

However, the existing coupler is seriously worn in the coupler after being used for a long time, the service life is short, the coupler needs to be repeatedly replaced, and meanwhile, the inner gasket is easily worn after being used for a long time, so that the connectivity of the coupler is in a problem in the use process.

Therefore, it is necessary to provide an elastic device for an exhaust fan coupling to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an exhaust fan shaft coupling resilient means, rotate first screw rod through first thread groove, first screw rod drives limit spring, limit spring drives the gag lever post at the inside up-and-down motion of first thread groove, when first screw rod goes up and down, drive gag lever post and work board through limit spring and extrude to inside, effectively avoid extrudeing tight phenomenon, rotate the second screw rod through the second thread groove, break away from the block state between second screw rod and the draw-in groove, through the horizontal pole of first cross slot slip, thereby convenience of customers dismouting device body, simultaneously through the cooperation of the inside first through-hole of horizontal pole and gasket, inject the gasket position, the connectivity of device body has been guaranteed, the practicality of device has been improved, with the above-mentioned weak point in the solution technology.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides an exhaust fan shaft coupling resilient means, includes the main part, the outside of main part is provided with the montant, main part quantity is provided with two, the quantity of montant is provided with a plurality ofly, the montant sets up with the main part is perpendicular, first thread groove has been seted up to the inside of montant, the inside of first thread groove is provided with first screw rod, the bottom of first screw rod is provided with spacing spring, spacing spring's bottom is provided with the gag lever post, the outer wall of gag lever post is provided with the stopper, gag lever post and stopper welding, the cross sectional shape of stopper sets up to ring shape, first perpendicular groove has been seted up to the inner wall of first thread groove, main part one side is provided with the gasket.

Preferably, the first thread groove is matched with a first screw rod, and the first screw rod is perpendicular to the main body.

Preferably, the number of the limiting springs is multiple, the limiting springs are welded with the limiting rods, the bottom of each limiting rod is provided with a working plate, the limiting rods are welded with the working plates, and the cross sections of the working plates are arc-shaped.

Preferably, the limiting block is matched with the first vertical groove, and the central axis of the limiting block coincides with the central axis of the vertical rod.

Preferably, the gasket is made of rubber materials, the number of the gaskets is two, first through holes are formed in the surfaces of the gaskets, and the number of the first through holes is multiple.

Preferably, an auxiliary plate is arranged on one side of the gasket, a plurality of first transverse grooves are formed in the auxiliary plate, transverse rods are arranged in the first transverse grooves, the first transverse grooves are connected with the transverse rods in a sliding mode, and the transverse rods are welded with the main body.

Preferably, the outer surface of the cross rod is provided with a clamping groove, the outer surface of the auxiliary plate is provided with a plurality of second thread grooves, a plurality of second screw rods are arranged in the second thread grooves, the second thread grooves are in threaded connection with the second screw rods, and the second screw rods are in clamping connection with the clamping grooves.

In the technical scheme, the utility model provides a technological effect and advantage:

drive the montant through the main part, rotate first screw rod through first thread groove, first screw rod drives limiting spring, limiting spring drives the gag lever post at the inside up-and-down motion of first thread groove, the gag lever post drives the stopper simultaneously, the stopper slides from top to bottom in first perpendicular inslot portion, when first screw rod goes up and down, drive gag lever post and work board through limiting spring and extrude to inside, effectively avoid extrudeing the phenomenon of tension simultaneously, simultaneously for the convenience of user's dismouting device body, can rotate the second screw rod through the second thread groove, break away from the block state between second screw rod and the draw-in groove, slide the horizontal pole through first cross slot simultaneously, thereby convenience of users dismouting device body, simultaneously through the cooperation of horizontal pole and the inside first through-hole of gasket, inject the gasket position, the connectivity of device body has been guaranteed simultaneously, the practicality of device has been improved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

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

fig. 2 is a schematic front view of the cross-sectional structure of the present invention;

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

fig. 4 is an enlarged schematic structural view of a point a in fig. 2 according to the present invention;

fig. 5 is an enlarged schematic structural diagram of the position B in fig. 2 according to the present invention.

Description of reference numerals:

1. a main body; 2. a vertical rod; 3. a first thread groove; 4. a first screw; 5. a limiting spring; 6. a limiting rod; 7. a limiting block; 8. a first vertical slot; 9. a gasket; 10. a first through hole; 11. an auxiliary plate; 12. a first transverse slot; 13. a cross bar; 14. a card slot; 15. a second thread groove; 16. a second screw; 17. a working plate.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

The utility model provides an as shown in fig. 1-5 exhaust fan shaft coupling resilient means, including main part 1, the outside of main part 1 is provided with

montant

2, 1 quantity of main part is provided with two, the quantity of montant 2 is provided with a plurality ofly, montant 2 sets up with 1 perpendicular of main part, first thread groove 3 has been seted up to the inside of montant 2, the inside of first thread groove 3 is provided with first screw rod 4, the bottom of first screw rod 4 is provided with spacing spring 5, spacing spring 5's bottom is provided with gag lever post 6, the outer wall of gag lever post 6 is provided with stopper 7, gag lever post 6 and stopper 7 welding, stopper 7's cross sectional shape sets up to ring shape, first vertical groove 8 has been seted up to the inner wall of

first thread groove

3, 1 one side of main part is provided with gasket 9.

Further, in the above technical solution, the first thread groove 3 is matched with the first screw rod 4, the first screw rod 4 is perpendicular to the main body 1, and the first screw rod 4 rotates to drive the elastic device inside the device.

Further, in above-mentioned technical scheme, the quantity of spacing spring 5 is provided with a plurality ofly, spacing spring 5 and gag lever post 6 welding, the bottom of gag lever post 6 is provided with working plate 17, gag lever post 6 and working plate 17 welding, working plate 17's cross sectional shape sets up to arc, through gag lever post 6 and working plate 17 cooperation, avoids influencing the rotation of the inside main shaft of device.

Further, in above-mentioned technical scheme, stopper 7 and first perpendicular groove 8 phase-match, the axis of stopper 7 and the axis of montant 2 coincide each other, through stopper 7 and the cooperation of first perpendicular groove 8, restrict the position of gag lever post 6.

Further, in the above technical scheme, the gasket 9 is made of a rubber material, two gaskets 9 are provided, the surface of the gasket 9 is provided with a plurality of first through holes 10, and the gasket 9 is conveniently and stably mounted due to the plurality of first through holes 10.

Furthermore, in the above technical solution, an auxiliary plate 11 is disposed on one side of the gasket 9, a plurality of first transverse grooves 12 are disposed inside the auxiliary plate 11, a cross bar 13 is disposed inside the first transverse grooves 12, the first transverse grooves 12 are slidably connected with the cross bar 13, and the cross bar 13 is welded to the main body 1, so as to conveniently connect the gasket 9 and the auxiliary plate 11.

Further, in the above technical solution, a clamping groove 14 is formed in an outer surface of the cross bar 13, a second thread groove 15 is formed in an outer surface of the auxiliary plate 11, a plurality of second thread grooves 15 are provided, a second screw 16 is provided inside the second thread groove 15, the second thread groove 15 is in threaded connection with the second screw 16, the second screw 16 is in clamping connection with the clamping groove 14, and the second thread groove 15 is matched with the second screw 16, so that the assembly and disassembly are convenient.

The implementation mode is specifically as follows: when the device is in actual use, the main body 1 drives the vertical rod 2, the first screw rod 4 is rotated through the first thread groove 3, the first screw rod 4 drives the limiting spring 5, the limiting spring 5 drives the limiting rod 6 to move up and down in the first thread groove 3, meanwhile, the limiting rod 6 drives the limiting block 7, the limiting block 7 slides up and down in the first vertical groove 8, when the first screw rod 4 goes up and down, the limiting rod 6 and the working plate 17 are driven to extrude inwards through the limiting spring 5, meanwhile, the phenomenon of over-tight extrusion is effectively avoided, meanwhile, in order to assemble and disassemble the device body for a user, the second screw rod 16 can be rotated through the second thread groove 15, the second screw rod 16 and the clamping groove 14 are separated from a clamping state, and simultaneously, the cross rod 13 slides through the first cross groove 12, so that the device body for the user is assembled and disassembled, meanwhile, the position of the gasket 9 is limited through the cooperation of the cross rod, and meanwhile, the connection performance of the device body is ensured.

This practical theory of operation:

referring to the attached drawings 1-5 of the specification, when the device is used, the main body 1 can drive the vertical rod 2, the first screw rod 4 is rotated through the first thread groove 3, the first screw rod 4 drives the limiting spring 5, the limiting spring 5 drives the limiting rod 6 to move up and down in the first thread groove 3, meanwhile, the limiting rod 6 drives the limiting block 7, the limiting block 7 slides up and down in the first vertical groove 8, when the first screw rod 4 goes up and down, the limiting rod 6 and the working plate 17 are driven to extrude inwards through the limiting spring 5, meanwhile, the phenomenon of over-tight extrusion is effectively avoided, meanwhile, in order to facilitate a user to disassemble and assemble the device body, the second screw rod 16 can be rotated through the second thread groove 15 in the auxiliary plate 11, the second screw rod 16 is separated from the clamping state with the clamping groove 14, meanwhile, the cross rod 13 slides through the first transverse groove 12, thereby facilitating the user to disassemble and assemble the device body, and simultaneously, the cross, the position of the gasket 9 is limited, and the connection performance of the device body is ensured.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides an exhaust fan shaft coupling resilient means, includes main part (1), its characterized in that: the outer side of the main body (1) is provided with two vertical rods (2), the number of the main body (1) is two, a plurality of vertical rods (2) are arranged, the vertical rods (2) are vertical to the main body (1), a first thread groove (3) is arranged inside the vertical rod (2), a first screw rod (4) is arranged inside the first thread groove (3), a limiting spring (5) is arranged at the bottom of the first screw rod (4), a limiting rod (6) is arranged at the bottom of the limiting spring (5), the outer wall of the limiting rod (6) is provided with a limiting block (7), the limiting rod (6) is welded with the limiting block (7), the cross-sectional shape of stopper (7) sets up to the ring shape, first perpendicular groove (8) have been seted up to the inner wall of first thread groove (3), main part (1) one side is provided with gasket (9).

2. The exhaust fan coupling resilient device of claim 1, wherein: the first thread groove (3) is matched with the first screw rod (4), and the first screw rod (4) is perpendicular to the main body (1).

3. The exhaust fan coupling resilient device of claim 1, wherein: the quantity of spacing spring (5) is provided with a plurality ofly, spacing spring (5) and gag lever post (6) welding, the bottom of gag lever post (6) is provided with working plate (17), gag lever post (6) and working plate (17) welding, the cross sectional shape of working plate (17) sets up to arc.

4. The exhaust fan coupling resilient device of claim 1, wherein: stopper (7) and first perpendicular groove (8) phase-match, the axis of stopper (7) and the axis of montant (2) coincide each other.

5. The exhaust fan coupling resilient device of claim 1, wherein: the gasket (9) is made of rubber materials, the number of the gaskets (9) is two, first through holes (10) are formed in the surface of the gasket (9), and the number of the first through holes (10) is multiple.

6. The exhaust fan coupling resilient device of claim 1, wherein: an auxiliary plate (11) is arranged on one side of the gasket (9), a plurality of first transverse grooves (12) are formed in the auxiliary plate (11), transverse rods (13) are arranged in the first transverse grooves (12), the first transverse grooves (12) are connected with the transverse rods (13) in a sliding mode, and the transverse rods (13) are welded with the main body (1).

7. The exhaust fan coupling resilient device of claim 6, wherein: the outer surface of the cross rod (13) is provided with clamping grooves (14), the outer surface of the auxiliary plate (11) is provided with second thread grooves (15), the number of the second thread grooves (15) is multiple, second screw rods (16) are arranged in the second thread grooves (15), the second thread grooves (15) are in threaded connection with the second screw rods (16), and the second screw rods (16) are in clamping connection with the clamping grooves (14).