CN217152730U

CN217152730U - Adjustable coupling with small volume

Info

Publication number: CN217152730U
Application number: CN202220965124.3U
Authority: CN
Inventors: 方国平; 方莉丽; 田洪久
Original assignee: Shanghai Laofang Machinery Equipment Co ltd
Current assignee: Shanghai Laofang Machinery Equipment Co ltd
Priority date: 2022-04-21
Filing date: 2022-04-21
Publication date: 2022-08-09
Anticipated expiration: 2032-04-21

Abstract

The utility model belongs to the technical field of the shaft coupling, especially, relate to a shaft coupling with adjustable it is small, including shaft coupling one and shaft coupling two, be provided with the parallel key between shaft coupling two and the shaft coupling one, the side threaded connection of parallel key has the construction bolt, the nut has been cup jointed to construction bolt's afterbody, the surface of construction bolt has cup jointed rust-resistant cover, fixedly connected with spring beam, adjacent two are gone back to the side of parallel key the installation opposite direction of construction bolt, the spring beam keep away from the one end of parallel key respectively with shaft coupling two and shaft coupling one fixed connection, adjacent two the installation opposite direction of spring beam. This adjustable shaft coupling of small through be provided with the parallel key between shaft coupling two and shaft coupling one, can use the degree of wearing and tearing to adjust the change according to the parallel key for the interaction force between shaft coupling two and the shaft coupling one obtains the buffering, and the use reliability is very high, has prolonged life, has ensured the security of equipment continuous operation.

Description

Adjustable coupling with small volume

Technical Field

The utility model relates to a shaft coupling technical field specifically is a shaft coupling with adjustable it is small.

Background

The coupling is a device for connecting two shafts or a shaft and a rotating part, rotating together in the process of transmitting motion and power and not separating under normal conditions. Sometimes it is used as a safety device to prevent the coupled machine parts from bearing excessive load, and it plays the role of overload protection.

In order to connect two members and transmit torque, various couplings are widely used in conventional mechanical transmission, but the conventional couplings are manufactured by integral molding, and the rigidity of the coupling is reduced in a long-term rotation process, so that the stress is not uniform, and the reliability of the coupling is deteriorated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shaft coupling with adjustable it is small to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the adjustable coupler with the small size comprises a first coupler and a second coupler, wherein the second coupler is arranged on the left side of the first coupler, and a flat key is arranged between the second coupler and the first coupler.

The side threaded connection of flat key has the construction bolt, the nut has been cup jointed to the afterbody of construction bolt, rust-resistant cover has been cup jointed to the surface of construction bolt, the side of flat key still fixedly connected with spring beam, through be provided with the flat key between shaft coupling two and shaft coupling one, can use the degree of wearing and tearing to adjust the change according to the flat key for the interaction force between shaft coupling two and the shaft coupling one obtains the buffering.

Preferably, the quantity of mounting bolts is four, adjacent two mounting bolts's installation opposite direction, mounting bolts all runs through parallel key, shaft coupling two and shaft coupling one, the screw thread with the mounting bolt adaptation is seted up to the inside of nut, shaft coupling two and shaft coupling one, the quantity of spring beam is four, adjacent two the installation opposite direction of spring beam, the one end that the spring beam kept away from the parallel key respectively with shaft coupling two and shaft coupling one fixed connection.

Preferably, the outer surface of the first coupler is provided with a first heat dissipation hole, the outer surface of the second coupler is provided with a second heat dissipation hole, and the first heat dissipation hole and the second heat dissipation hole accelerate the heat discharge in the rotating process of the second coupler and the first coupler.

Preferably, through holes are formed in the second coupler and the first coupler, transmission shafts are arranged in the through holes, and the transmission shafts are connected with the through holes in a sliding mode.

Preferably, the left side of the outer surface of the transmission shaft is sleeved with a second driving rod, the right side of the outer surface of the transmission shaft is sleeved with a first driving rod, the left side of the outer surface of the transmission shaft is fixedly provided with a second bearing, and the right side of the outer surface of the transmission shaft is fixedly provided with a first bearing.

Preferably, the diameter of the second driving rod is larger than that of the first driving rod, the diameter of the first driving rod is larger than that of the transmission shaft, the first bearing and the second bearing are ball bearings, oil injection ports are formed in the outer rings of the first bearing and the second bearing, the first bearing and the second bearing are mounted on the outer surface of the transmission shaft, and the first bearing and the second bearing can guarantee perpendicularity of the transmission shaft.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this adjustable shaft coupling of small through be provided with the parallel key between shaft coupling two and shaft coupling one, can use the degree of wearing and tearing to adjust the change according to the parallel key for the interaction force between shaft coupling two and the shaft coupling one obtains the buffering, and the use reliability is very high, has prolonged life, has ensured the security of equipment continuous operation.

2. This adjustable shaft coupling that is small through the surface mounting at the transmission shaft have bearing one and bearing two, and bearing one and bearing two can guarantee the straightness that hangs down of transmission shaft, and the radial load that produces when preventing to rotate leads to the transmission shaft to take place to buckle, guarantees transmission efficiency.

Drawings

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

fig. 2 is a schematic structural view of the transmission shaft of the present invention;

fig. 3 is a side view of the present invention;

fig. 4 is a schematic view of the flat key structure of the present invention.

In the figure: 1. a first coupler; 101. a first heat dissipation hole; 2. a second coupler; 201. a second heat dissipation hole; 3. a flat bond; 301. installing a bolt; 302. a nut; 303. an antirust sleeve; 304. a spring lever; 4. a drive shaft; 401. a first driving rod; 402. a second driving rod; 403. a first bearing; 404. and a second bearing.

Detailed Description

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

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a shaft coupling with adjustable it is small, includes shaft coupling one 1 and shaft coupling two 2, and shaft coupling two 2 sets up in the left side of shaft coupling one 1, is provided with parallel key 3 between shaft coupling two 2 and the shaft coupling one 1, and the through-hole has all been seted up to shaft coupling two 2 and the inside of shaft coupling one 1, and the inside of through-hole is provided with transmission shaft 4.

The outer surface of the first coupler 1 is provided with a first heat dissipation hole 101, the outer surface of the second coupler 2 is provided with a second heat dissipation hole 201, and the first heat dissipation hole 101 and the second heat dissipation hole 201 accelerate heat discharge in the rotating process of the second coupler 2 and the first coupler 1.

The side surface of the flat key 3 is in threaded connection with a mounting bolt 301, the tail part of the mounting bolt 301 is sleeved with a nut 302, the outer surface of the mounting bolt 301 is sleeved with an antirust sleeve 303, the side surface of the flat key 3 is also fixedly connected with four spring rods 304, the number of the mounting bolts 301 is four, the mounting directions of two adjacent mounting bolts 301 are opposite, the mounting bolts 301 penetrate through the flat key 3, the coupling II 2 and the coupling I1, the screw threads matched with the mounting bolts 301 are arranged inside the nut 302, the coupling II 2 and the coupling I1, the number of the spring rods 304 is four, the mounting directions of two adjacent spring rods 304 are opposite, one end, far away from the flat key 3, of each spring rod 304 is fixedly connected with the coupling II 2 and the coupling I1 respectively, the flat key 3 is arranged between the coupling II 2 and the coupling I1, the flat key 3 can be adjusted and replaced according to the abrasion degree of the flat key 3, so that the mutual acting force between the coupling II 2 and the coupling I1 is buffered, the use reliability is very high, has prolonged life, has ensured equipment continuous operation's security, and the parallel key 3 is connected with second coupling 2 and first coupling 1 through construction bolt 301, and the spring beam 304 cushions the interaction force between second coupling 2 and the first coupling 1 when rotating, and rust-resistant cover 303 protects construction bolt 301, prevents that construction bolt 301 from taking place the corrosion.

The driving rod II 402 is sleeved on the left side of the outer surface of the transmission shaft 4, the driving rod I401 is sleeved on the right side of the outer surface of the transmission shaft 4, the bearing II 404 is fixedly installed on the left side of the outer surface of the transmission shaft 4, the bearing I403 is fixedly installed on the right side of the outer surface of the transmission shaft 4, the diameter of the driving rod II 402 is larger than that of the driving rod I401, the diameter of the driving rod I401 is larger than that of the transmission shaft 4, the bearing I403 and the bearing II 404 are both ball bearings, oil filling ports are formed in the outer rings of the bearing I403 and the bearing II 404, lubricating oil can be added into the bearing I403 and the bearing II 404 through the oil installation on the outer surface of the transmission shaft 4, the bearing I403 and the bearing II 404 can guarantee the verticality of the transmission shaft 4, the radial load generated during rotation is prevented from causing the transmission shaft 4 to bend, and the transmission efficiency is guaranteed.

When using, 4 rotations of transmission shaft can drive two 2 and the synchronous rotations of a shaft coupling 1, and flat key 3 makes the interact power between two 2 and the shaft coupling 1 obtain the buffering, and 3 live time of flat key after, can take off construction bolt 301, change flat key 3.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The term "comprising", without further limitation, means that the element so defined is not excluded from the group consisting of additional identical elements in the process, method, article, or apparatus that comprises the element.

Claims

1. The utility model provides a shaft coupling with adjustable small, includes shaft coupling one (1) and shaft coupling two (2), shaft coupling two (2) set up in the left side of shaft coupling one (1), its characterized in that: a flat key (3) is arranged between the second coupling (2) and the first coupling (1);

the side threaded connection of flat key (3) has construction bolt (301), nut (302) has been cup jointed to the afterbody of construction bolt (301), rust-resistant cover (303) has been cup jointed to the surface of construction bolt (301), still fixedly connected with spring beam (304) in the side of flat key (3).

2. The adjustable coupling of claim 1, wherein: the quantity of construction bolt (301) is four, adjacent two the installation direction of construction bolt (301) is opposite, construction bolt (301) all runs through flat key (3), shaft coupling two (2) and shaft coupling one (1), the screw thread with construction bolt (301) adaptation is seted up to the inside of nut (302), shaft coupling two (2) and shaft coupling one (1), the quantity of spring beam (304) is four, adjacent two the installation direction of spring beam (304) is opposite, the one end that flat key (3) was kept away from in spring beam (304) respectively with shaft coupling two (2) and shaft coupling one (1) fixed connection.

3. The adjustable coupling of claim 1, wherein: the outer surface of the first coupler (1) is provided with a first heat dissipation hole (101), and the outer surface of the second coupler (2) is provided with a second heat dissipation hole (201).

4. The adjustable coupling of claim 1, wherein: through holes are formed in the second coupler (2) and the first coupler (1), and transmission shafts (4) are arranged in the through holes.

5. An adjustable coupling of small volume as claimed in claim 4, wherein: the outer surface left side of transmission shaft (4) has cup jointed drive lever two (402), the outer surface right side of transmission shaft (4) has cup jointed drive lever one (401), the outer surface left side fixed mounting of transmission shaft (4) has bearing two (404), the outer surface right side fixed mounting of transmission shaft (4) has bearing one (403).

6. An adjustable coupling of small volume as claimed in claim 5, wherein: the diameter of the second driving rod (402) is larger than that of the first driving rod (401), the diameter of the first driving rod (401) is larger than that of the transmission shaft (4), the first bearing (403) and the second bearing (404) are both ball bearings, and oil filling openings are formed in outer rings of the first bearing (403) and the second bearing (404).