CN209990808U

CN209990808U - Quick-dismantling coupling

Info

Publication number: CN209990808U
Application number: CN201920831111.5U
Authority: CN
Inventors: 陈义明
Original assignee: Jiujiang Alliance Coupling Co Ltd
Current assignee: Jiujiang Alliance Coupling Co Ltd
Priority date: 2019-06-03
Filing date: 2019-06-03
Publication date: 2020-01-24
Anticipated expiration: 2029-06-03

Abstract

The utility model provides a quick-release coupler, which relates to the technical field of connecting fittings and comprises two coupling parts and a connecting part used for connecting the two coupling parts, wherein the connecting part comprises an upper cylinder cover, a lower cylinder cover and a connecting cylinder, the two end surfaces of the connecting cylinder are both provided with butt joint grooves, the side wall of each butt joint groove is provided with a plurality of elastic bulges, a limit groove is formed between every two adjacent elastic bulges, the end part of the coupling part is provided with a connecting ring matched with the butt joint grooves, and the outer periphery of the connecting ring is provided with limit bulges corresponding to the limit grooves; the upper cylinder cover and the lower cylinder cover are respectively provided with a first groove and a second groove, and the two grooves jointly form an installation cavity for coating the connecting cylinder; mounting lugs are arranged on two sides of the outer wall of the connecting cylinder, stepped holes corresponding to the mounting holes are formed in the two cylinder covers, and the connecting cylinder penetrates through the stepped holes and the mounting lugs through bolts and is mounted between the two cylinder covers; the utility model has the advantages of can follow positive quick assembly disassembly, improve dismouting efficiency to solve the current inconvenient problem of installation dismantlement.

Description

Quick-dismantling coupling

Technical Field

The utility model relates to a connect accessory technical field, more specifically relates to a quick-release shaft coupling.

Background

A coupling is a mechanical part used to couple two shafts in different mechanisms for common rotation to transmit torque. Some existing couplings pass through flange surfaces of two shafts through 8 or 12 bolts and are tightened from two ends of the coupling to connect the two shafts. The couplers have the characteristics of simple structure and convenience in manufacture, but when the couplers need to be replaced or maintained, due to the fact that the number of bolts is large and the bolts are located on the end face side of the couplers, operators are very difficult to install and disassemble the couplers, and the coupler has the defect of long installation time.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a quick-release coupler has the advantage that can follow positive quick assembly disassembly, improve dismouting efficiency to solve the current inconvenient problem of installation dismantlement.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a quick-release coupler, which comprises a coupler body, wherein the coupler body comprises two coupling shaft parts and a connecting part for connecting the two coupling shaft parts, the connecting piece comprises an upper cylinder cover, a lower cylinder cover and a connecting cylinder arranged between the upper cylinder cover and the lower cylinder cover which are mutually matched, the connecting cylinder is cylindrical, two end faces of the connecting cylinder along the length direction are respectively provided with a cylindrical butt joint groove, each butt joint groove side wall is fixedly provided with a plurality of arc-shaped elastic bulges, the elastic bulges are distributed on the butt joint groove side walls at equal angles around the central line of the connecting cylinder, a limit groove is formed between every two adjacent elastic bulges, one end of each shaft connecting part close to the connecting part is respectively fixedly provided with a connecting ring matched with the butt joint groove, a plurality of limiting bulges which correspond to the limiting grooves one by one are fixedly arranged on the outer periphery of the connecting ring; the butt joint surface of the upper cylinder cover and the lower cylinder cover is provided with a first groove, the butt joint surface of the lower cylinder cover and the upper cylinder cover is provided with a second groove corresponding to the first groove, the first groove and the second groove are combined together to form an installation cavity for coating the connecting cylinder, the installation cavity is cylindrical, the installation cavity is matched with the connecting cylinder, and two end faces of the upper cylinder cover and two end faces of the lower cylinder cover are provided with through holes for shaft coupling parts to penetrate through; the connecting cylinder is characterized in that mounting lugs are fixedly arranged on two sides of the outer wall of the connecting cylinder, mounting holes are formed in the mounting lugs, a plurality of first fixing grooves matched with the mounting lugs are formed in the butt joint face of the upper cylinder cover and the lower cylinder cover, the first fixing grooves are communicated with the first grooves, a plurality of second fixing grooves matched with the mounting lugs are formed in the butt joint face of the upper cylinder cover and the lower cylinder cover, the second fixing grooves are communicated with the second grooves, first stepped holes connected with the lower cylinder cover are formed in the upper cylinder cover, the first stepped holes correspond to the mounting holes one to one, second stepped holes corresponding to the first stepped holes are formed in the lower cylinder cover, and the connecting cylinder penetrates through the first stepped holes through bolts and is fixedly mounted between the upper cylinder cover and the lower cylinder cover.

The utility model discloses in the technical scheme of preferred, each a plurality of counterpoint holes have all been seted up in the middle of the go-between, butt joint fixed be equipped with on the groove bottom wall with counterpoint hole assorted counterpoint post.

The utility model discloses in the technical scheme of preferred, the different both sides of connecting cylinder outer wall the installation ear sets up in pairs, the connecting cylinder outer wall is with one side on installation ear quantity is two.

In the preferred embodiment of the present invention, the sum of the depth of the first fixing groove and the depth of the second fixing groove is equal to the height of the mounting lug.

The utility model discloses in the technical scheme of preferred, the radius in first step hole is along being close to the direction of lower cover diminishes, the radius in second step hole is along being close to the direction of upper cover diminishes.

The utility model has the advantages that:

the utility model provides a quick-release coupling, through directly exposing the front of bolt on the surface of coupling, make the staff can find the front of bolt fast, and reduce the bolt quantity for connection, thus has improved the staff and installed and removed the speed greatly; meanwhile, the shaft coupling part can be well damped and buffered by the aid of the arc-shaped elastic protrusions, so that the rotating shaft and the shaft coupling are effectively protected, the connecting shaft can be allowed to slightly move axially and radially, and the stable state of the shaft coupling can be kept in use.

Drawings

Fig. 1 is a sectional view of a quick-release coupling according to an embodiment of the present invention;

fig. 2 is a left side view of a quick release coupling according to an embodiment of the present invention;

fig. 3 is a connection relationship diagram of a connecting cylinder and a connecting ring of a quick-release coupling according to an embodiment of the present invention;

fig. 4 is a bottom view of an upper cover of a quick-release coupling according to an embodiment of the present invention;

fig. 5 is a top view of a lower cover of a quick-release coupling according to an embodiment of the present invention.

In the figure:

100. a coupling portion; 110. a connecting ring; 111. a limiting bulge; 112. aligning holes; 210. an upper barrel cover; 211. a first groove; 212. a first fixing groove; 213. a first stepped hole; 220. a lower cylinder cover; 221. a second groove; 222. a second fixing groove; 223. a second stepped bore; 230. a through hole; 300. a connecting cylinder; 310. a butt joint groove; 320. an elastic bulge; 321. a limiting groove; 330. mounting lugs; 340. and (4) aligning columns.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings and technical solutions needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

The technical solution of the present invention is further described below by referring to the drawings and the embodiments, it should be noted that the drawings in the embodiments are only schematic diagrams and do not limit the size, and the actual size is subject to the material object.

As shown in fig. 1 to 5, the present embodiment provides a quick-release coupling, which includes a coupling body, the coupling body includes two coupling portions 100 and a coupling member for connecting the two coupling portions 100, the coupling member includes an upper barrel cover 210, a lower barrel cover 220 and a connecting barrel 300 disposed between the upper barrel cover 210 and the lower barrel cover 220, the connecting barrel 300 is cylindrical, two end faces of the connecting barrel 300 along a length direction are respectively provided with a cylindrical abutting groove 310, a plurality of arc-shaped elastic protrusions 320 are fixedly disposed on sidewalls of the abutting grooves 310, the plurality of elastic protrusions 320 are equiangularly distributed on sidewalls of the abutting grooves 310 around a center line of the connecting barrel 300, a limiting groove 321 is formed between every two adjacent elastic protrusions 320, one end of each coupling portion 100 close to the coupling member is fixedly provided with a connecting ring 110 matched with the abutting grooves 310, a plurality of limiting protrusions 111 corresponding to the limiting grooves 321 one by one are fixedly arranged on the outer periphery of the connecting ring 110; a first groove 211 is formed in the butt joint surface of the upper cylinder cover 210 and the lower cylinder cover 220, a second groove 221 corresponding to the first groove 211 is formed in the butt joint surface of the lower cylinder cover 220 and the upper cylinder cover 210, the first groove 211 and the second groove 221 are combined together to form an installation cavity for coating the connecting cylinder 300, the installation cavity is cylindrical, the installation cavity is matched with the connecting cylinder 300, and through holes 230 for the shaft coupling parts 100 to penetrate through are formed in two end surfaces of the upper cylinder cover 210 and two end surfaces of the lower cylinder cover 220; the two sides of the outer wall of the connecting cylinder 300 are both fixedly provided with mounting lugs 330, the mounting lugs 330 are provided with mounting holes, the abutting surface of the upper cylinder cover 210 and the lower cylinder cover 220 is provided with a plurality of first fixing grooves 212 matching with the mounting lugs 330, the first fixing groove 212 is communicated with the first groove 211, a plurality of second fixing grooves 222 matched with the mounting lugs 330 are arranged on the abutting surface of the lower cylinder cover 220 and the upper cylinder cover 210, the second fixing groove 222 is communicated with the second groove 221, the upper cylinder cover 210 is provided with a first stepped hole 213 connected with the lower cylinder cover 220, the first stepped holes 213 correspond to the mounting holes one to one, the lower cylinder cover 220 is provided with second stepped holes 223 corresponding to the first stepped holes 213, the connecting cylinder 300 is fixedly installed between the upper cylinder cover 210 and the lower cylinder cover 220 by bolts passing through the first stepped hole 213, the installation hole, and the second stepped hole 223.

Further, a plurality of alignment holes 112 are formed in the middle of each connection ring 110, the plurality of alignment holes 112 are arranged at equal angles around the center of the connection ring 110, alignment posts 340 matched with the alignment holes 112 are fixedly arranged on the bottom wall of the connection groove 310, the length of each alignment post 340 is equal to the depth of the connection groove 310, and the arrangement of the alignment holes 112 and the alignment posts 340 not only facilitates the connection ring 110 to be inserted into the connection groove 310 of the connection cylinder 300, but also enhances the connection strength between the connection ring 110 and the connection cylinder 300.

Further, the installation ears 330 on different two sides of the outer wall of the connecting cylinder 300 are arranged in pairs, so that the connecting cylinder 300 can be stably installed in the installation cavity between the upper cylinder cover 210 and the lower cylinder cover 220, looseness does not easily occur between the connecting cylinder 300 and the cylinder cover, the number of the installation ears 330 on the same side of the outer wall of the connecting cylinder 300 is two, and the number of the installation ears 330 is too large, so that the efficiency of a user in disassembling the coupler is interfered.

Further, the sum of the depth of the first fixing groove 212 and the depth of the second fixing groove 222 is equal to the height of the mounting lug 330, which is provided to ensure that the abutting surface between the upper cartridge cover 210 and the lower cartridge cover 220 can be in contact with and fixed with each other.

Further, the radius of first step hole 213 diminishes along being close to the direction of lower cover 220, the radius of second step hole 223 diminishes along being close to the direction of upper cover 210, such setting up of first step hole 213 with second step hole 223 not only can shorten upper cover 210 with the distance of being connected of lower cover 220 makes things convenient for the staff to install or dismantle the bolt, and the slotted hole direct exposure who will dismantle and install the bolt is in the front department of shaft coupling moreover.

The utility model provides a pair of quick-release coupler, when using, firstly plug the go-between 110 of the axle coupling portion 100 into the butt joint groove 310 at the connecting cylinder 300 both ends, wherein the counterpoint post 340 wears to locate in counterpoint hole 112, the go-between 110 outer peripheral edge supports and holds on the convex surface of elastic bulge 320, each spacing bulge 111 respectively plugs into a spacing groove 321, then move upper cover 210 and lower cover 220 together and cover connecting cylinder 300, make the installation ear 330 of connecting cylinder 300 fall into the fixed slot, pass the mounting hole of shoulder hole and installation ear 330 through the bolt at last with upper cover section of thick bamboo and lower cover section of thick bamboo fixed connection, can accomplish the installation of coupler; compared with the prior art, the embodiment has the advantages that: the front face of the bolt is directly exposed on the surface of the coupler, so that a worker can quickly find the front face of the bolt, and the number of bolts for connection is reduced, so that the assembling and disassembling speed of the worker is greatly improved; meanwhile, the arrangement of the arc-shaped elastic protrusions 320 can play a good role in damping and buffering the shaft coupling part 100, so that the rotating shaft and the shaft coupling are effectively protected, the connecting shaft can be allowed to slightly move axially and radially, and the shaft coupling can be ensured to be kept in a stable state in use.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.

Claims

1. A quick-release coupling is characterized in that:

including the shaft coupling body, the shaft coupling body includes two antithetical couplet axial region (100) and is used for connecting two antithetical couplet axial region (100)'s connector, the connector is including last cover (210) of mutually supporting, lower cover (220) and set up in go up cover (210) with connecting cylinder (300) between lower cover (220), connecting cylinder (300) are cylindricly, connecting cylinder (300) all are equipped with along length direction's both ends face and are cylindric butt joint groove (310), each all fixedly on butt joint groove (310) lateral wall and be equipped with a plurality of elastic bulge (320) that are the arcuation, a plurality of elastic bulge (320) center line equiangular distribution of connecting cylinder (300) on butt joint groove (310) lateral wall, every two adjacent all form a spacing groove (321) between elastic bulge (320), each ally oneself with (100) are close to the one end of connector all fixed be equipped with butt joint groove (310) matched with even are equipped with The outer periphery of the connecting ring (110) is fixedly provided with a plurality of limiting bulges (111) which are in one-to-one correspondence with the limiting grooves (321); a first groove (211) is formed in the butt joint face of the upper cylinder cover (210) and the lower cylinder cover (220), a second groove (221) corresponding to the first groove (211) is formed in the butt joint face of the lower cylinder cover (220) and the upper cylinder cover (210), the first groove (211) and the second groove (221) are combined together to form an installation cavity used for coating the connecting cylinder (300), the installation cavity is cylindrical, the installation cavity is matched with the connecting cylinder (300), and through holes (230) for the shaft coupling parts (100) to penetrate through are formed in two end faces of the upper cylinder cover (210) and two end faces of the lower cylinder cover (220);

the connecting cylinder is characterized in that mounting lugs (330) are fixedly arranged on two sides of the outer wall of the connecting cylinder (300), mounting holes are formed in the mounting lugs (330), a plurality of first fixing grooves (212) matched with the mounting lugs (330) are formed in the butt joint surface of the upper cylinder cover (210) and the lower cylinder cover (220), the first fixing grooves (212) are communicated with the first grooves (211), a plurality of second fixing grooves (222) matched with the mounting lugs (330) are formed in the butt joint surface of the lower cylinder cover (220) and the upper cylinder cover (210), the second fixing grooves (222) are communicated with the second grooves (221), first stepped holes (213) connected with the lower cylinder cover (220) are formed in the upper cylinder cover (210), the first stepped holes (213) correspond to the mounting holes one to one, second stepped holes (223) corresponding to the first stepped holes (213) are formed in the lower cylinder cover (220), the connecting cylinder (300) is fixedly installed between the upper cylinder cover (210) and the lower cylinder cover (220) through bolts passing through the first stepped hole (213), the installation hole and the second stepped hole (223).

2. A quick disconnect coupling according to claim 1, wherein:

a plurality of alignment holes (112) are formed in the middle of each connecting ring (110), and alignment columns (340) matched with the alignment holes (112) are fixedly arranged on the bottom wall of the butt joint groove (310).

3. A quick disconnect coupling according to claim 1, wherein:

the installation ears (330) of the different both sides of connecting cylinder (300) outer wall set up in pairs, connecting cylinder (300) outer wall is same on one side installation ear (330) quantity is two.

4. A quick disconnect coupling according to claim 1, wherein:

the sum of the depth of the first fixing groove (212) and the depth of the second fixing groove (222) is equal to the height of the mounting ear (330).

5. A quick disconnect coupling according to claim 1, wherein:

the radius of the first stepped hole (213) becomes smaller in a direction approaching the lower cylinder cover (220), and the radius of the second stepped hole (223) becomes smaller in a direction approaching the upper cylinder cover (210).