CN213117190U

CN213117190U - Locking type coupling

Info

Publication number: CN213117190U
Application number: CN202021886286.5U
Authority: CN
Inventors: 张鑫
Original assignee: Dalian Jinzhou Gold Titanium Forging Plant
Current assignee: Dalian Jinzhou Gold Titanium Forging Plant
Priority date: 2020-09-02
Filing date: 2020-09-02
Publication date: 2021-05-04
Anticipated expiration: 2030-09-02

Abstract

The utility model provides a locking type shaft coupling, which belongs to the technical field of shaft couplings and comprises a shaft coupling shell, wherein the outer wall of the top part of the shaft coupling shell is provided with a mounting groove, the shaft coupling shell is of a hollow structure, the outer wall of one side of the shaft coupling shell is provided with a fixed shaft, the inner wall of the fixed shaft is provided with an inner threaded hole, the inner wall of the inner threaded hole is fixed with a bolt through threads, the outer wall of one side of the bolt is provided with a bolt cap, the outer wall of the bolt is sleeved with a gasket, and the; the utility model discloses a set up collar, spacing ring, installation piece, telescopic link and spring, the collar can be fixed the installation piece, and the spacing ring can play fine limiting displacement, avoids the installation piece to drop from the collar in the installation, and telescopic link and spring can support bolt chucking piece and bolt cap, have played fine cushioning effect to the fixed axle, and the telescopic link can avoid the spring to be by excessive extrusion simultaneously, has improved the life of spring.

Description

Locking type coupling

Technical Field

The utility model belongs to the technical field of the shaft coupling, concretely relates to locking formula shaft coupling.

Background

At present, because the not enough of existence in the design, the installation fastness between flexible loose axle and the fixed axle can't be solved to current shaft coupling to and prevent not aiming at the phenomenon that the axle runaway appears in the rotation center point between axle and the axle, make the life of equipment subtract greatly short, be unfavorable for normal work.

Through retrieval, Chinese patent with the publication number of CN108105272A discloses a locking type coupler, which comprises a coupler shell, a washer, a nut clamping device, a bolt and a spring; the coupler is characterized in that a mounting movable groove is formed in the coupler shell, a hole is formed in the left side of the coupler shell, and the spring is mounted in the hole in the left side of the coupler shell.

However, according to the technical scheme, the corresponding fixing and limiting structures are not arranged at the positions, located in the hole in the coupler, of the gasket and the nut clamping device, so that the problem that the bolt is loosened due to the fact that the gasket and the nut clamping device which are used for limiting the bolt in the coupler are slightly displaced easily when the telescopic movable shaft drives the fixing shaft to rotate also exists.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a locking formula shaft coupling aims at solving the inside packing ring and the nut chucking ware that is used for carrying on the bolt spacing of shaft coupling among the prior art and takes place slight displacement easily and lead to the bolt not hard up problem to appear.

In order to achieve the above object, the utility model provides a following technical scheme: the coupler comprises a coupler shell, wherein a mounting groove is formed in the outer wall of the top of the coupler shell, the coupler shell is of a hollow structure, a fixed shaft is arranged on the outer wall of one side of the coupler shell, an inner threaded hole is formed in the inner wall of the fixed shaft, a bolt is fixed on the inner wall of the inner threaded hole through threads, a bolt cap is arranged on the outer wall of one side of the bolt, a gasket is sleeved on the outer wall of the bolt cap, a bolt clamping piece is sleeved on the outer wall of the bolt cap, four sliding blocks are respectively arranged on the outer wall of the gasket and the outer wall of the bolt clamping piece, four sliding rails are respectively formed in the inner wall of the coupler shell, the sliding blocks are connected on the inner walls of the sliding rails in a sliding mode, the length of the mounting groove is the same as the diameter of the gasket and the bolt clamping piece, a gasket, the outer wall of one side of the telescopic movable shaft is provided with a pin hole, the outer wall of the coupler shell is provided with two through holes respectively, and pins are arranged on the inner walls of the pin hole and the two through holes.

In order to make the maintenance of shaft coupling become portably, as the utility model relates to an it is preferred, shaft coupling shell inner wall is provided with the collar, and collar one side inner wall is provided with the spacing ring, and the collar inner wall is opened there is the internal thread, and the collar inner wall has the installation piece through the threaded fixation, and installation piece one side outer wall is provided with telescopic link and spring respectively, and the size of telescopic link one side outer wall is greater than the size of cap of bolt one side outer wall, and installation piece one side outer wall is opened there is the recess of interior hexagonal type.

In order to improve the security of shaft coupling, as the utility model relates to an it is preferred, the fixed axle outer wall is opened there is the gib block, and shaft coupling shell inner wall is opened there is the guide way, and the gib block sliding connection has on the inner wall of guide way.

In order to improve the inside stability of flexible loose axle at the shaft coupling shell, as the utility model relates to an it is preferred, shaft coupling shell outer wall is provided with two outer snap rings respectively, fixes through the screw between two outer snap rings.

In order to improve the life of shaft coupling, as the utility model discloses an it is preferred, shaft coupling shell top outer wall is provided with the bearer bar, and bearer bar top outer wall is opened there is the rectangle to lead to the groove, and the size and the mounting groove of rectangle recess are unanimous.

In order to improve the inside clean degree of shaft coupling, as the utility model relates to an it is preferred, two rectangle recesses have been opened respectively to the bearer bar both sides inner wall, and two rectangle recess inner walls sliding connection have two fold soft boards respectively, and fold soft board top outer wall is provided with the hasp, and the material of fold soft board is elastic rubber.

In order to improve the installation effectiveness of shaft coupling, as the utility model relates to an it is preferred, the material of slider is the aluminum alloy, and the degree of depth of slide rail slightly is greater than the length of slider.

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

1. through setting up the collar, the spacing ring, the installation piece, telescopic link and spring, the collar can be fixed the installation piece, the spacing ring can play fine limiting displacement, avoid the installation piece to drop from the collar when the installation, telescopic link and spring can support bolt chucking piece and bolt cap, fine cushioning effect has been played to the fixed axle, the telescopic link can avoid the spring by excessive extrusion simultaneously, the life of spring has been improved, when needs are changed the spring, only need to tear flexible loose axle open and to take out the installation piece and change the spring, let the maintenance of shaft coupling become portably.

2. By arranging the sliding block and the sliding rail, the gasket and the bolt clamping piece can be effectively limited and fixed, the problem that the bolt is loosened due to slight displacement of the gasket and the bolt clamping piece in the coupler shell when the coupler rotates is avoided, and the overall connection stability of the coupler is improved; through setting up fold soft board and hasp, after the position of staff's adjustment bolt chucking piece bulge piece and packing ring bulge piece, with two relative pulling of fold soft board, then detain the hasp on the fold soft board to seal the mounting groove, inside small particles such as the dust of avoiding the outer wall environment got into the shaft coupling through the mounting groove, effectively improved the inside clean degree of shaft coupling.

3. The guide strips and the guide grooves are arranged, so that a certain fixing and limiting effect on the fixed shaft can be achieved, the danger that the bolt falls off from the inner threaded hole due to the fact that the fixed shaft rotates in the inner wall of the coupler when the coupler drives the fixed shaft to rotate is avoided, and the safety of the coupler is improved; through setting up outer snap ring, can fix the pin of connecting flexible loose axle, effectively improved the stability of flexible loose axle in the shaft coupling shell inside.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

fig. 2 is a schematic structural view of a coupling housing in the present invention;

fig. 3 is a schematic diagram of a cross-sectional structure of the top of the coupling in the present invention;

fig. 4 is a schematic view of a cross-sectional structure of the bottom of the coupling in the present invention;

FIG. 5 is a schematic structural view of a protection frame of the present invention;

fig. 6 is a schematic structural view of the mounting block of the present invention;

fig. 7 is a schematic view of the bolt fixing structure of the present invention.

In the figure: 1-a coupling housing; 2-a protective frame; 3-an external snap ring; 4-mounting grooves; 5-a protruding block of the bolt clamping sheet; 6-folding a soft board; 7-washer projection; 8-a guide bar; 9-a fixed shaft; 10-an internal threaded hole; 11-a pin; 12-a telescopic movable shaft; 13-a mounting ring; 14-a stop collar; 15-a telescopic rod; 16-a slide rail; 17-a spring; 18-a mounting block; 19-bolt clamping sheet; 20-bolt caps; 21-a slide block; 22-a gasket; 23-bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. 1-7, the present invention provides the following technical solutions: the coupler comprises a coupler shell 1, wherein a mounting groove 4 is formed in the outer wall of the top of the coupler shell 1, the coupler shell 1 is of a hollow structure, a fixing shaft 9 is arranged on the outer wall of one side of the coupler shell 1, an internal thread hole 10 is formed in the inner wall of the fixing shaft 9, a bolt 23 is fixed on the inner wall of the internal thread hole 10 through threads, a bolt cap 20 is arranged on the outer wall of one side of the bolt 23, a gasket 22 is sleeved on the outer wall of the bolt 23, a bolt clamping sheet 19 is sleeved on the outer wall of the bolt cap 20, four sliding blocks 21 are respectively arranged on the outer walls of the gasket 22 and the bolt clamping sheet 19, four sliding rails 16 are respectively arranged on the inner wall of the coupler shell 1, the sliding blocks 21 are connected to the inner walls of the sliding rails 16 in a sliding mode, the length of the mounting groove 4 is the same as the diameters of the gasket 22 and the bolt clamping sheet 19, a gasket bulge block 7 and, the inner wall of one side of the coupler shell 1 is provided with a telescopic movable shaft 12, the outer wall of one side of the telescopic movable shaft 12 is provided with a pin hole, the outer wall of the coupler shell 1 is provided with two through holes respectively, and the inner walls of the pin hole and the two through holes are provided with pins 11.

In the embodiment of the utility model, at first insert fixed axle 9 from one side opening of shaft coupling shell 1, then put into inside shaft coupling shell 1 through mounting groove 4 with packing ring 22 and bolt chucking piece 19, rethread packing ring protrusion 7 and bolt chucking piece protrusion 5 rotate packing ring 22 and bolt chucking piece 19, let slider 21 block in slide rail 16, thereby accomplish spacing and fixed to packing ring 22 and bolt chucking piece 19, put into shaft coupling shell 1 with bolt 23 from the opening part of shaft coupling shell 1 opposite side this moment, bolt 23 passes bolt chucking piece 19 and packing ring 22 and then gets into internal thread hole 10, the staff removes bolt chucking piece 19 to the opening of shaft coupling shell 1 opposite side through bolt chucking piece protrusion 5 this moment, thereby let bolt chucking piece 19 not hinder bolt cap 20 to rotate, then the staff uses tools such as interior hexagonal to rotate bolt cap 20 thereby let lead to between bolt 23 and the fixed axle 9 It is fixed to cross the screw thread, thereby cup joint bolt fastening piece 19 back this moment and fix the bolt on the outer wall of bolt cap 20, then insert flexible loose axle 12 from the opening of 1 opposite side of shaft coupling shell, then reuse pin 11 is fixed flexible loose axle 12, through setting up slider 21 and slide rail 16, can carry out effectual spacing and fixed to packing ring 22 and bolt fastening piece 19, thereby avoid the shaft coupling packing ring 22 and bolt fastening piece 19 to take place slight displacement in shaft coupling shell 1 inside when rotating and lead to bolt 23 to appear not hard up problem, the holistic connection stability of shaft coupling has been improved.

Specifically, 1 inner wall of shaft coupling shell is provided with collar 13, and collar 13 one side inner wall is provided with spacing ring 14, and collar 13 inner wall is opened there is the internal thread, and collar 13 inner wall has installation piece 18 through the threaded fixation, and 18 one side outer walls of installation piece are provided with telescopic link 15 and spring 17 respectively, and the size of 15 one side outer walls of telescopic link is greater than the size of 20 one side outer walls of bolt cap, and 18 one side outer walls of installation piece open there is the recess of interior hexagonal type.

In this embodiment: before inserting flexible loose axle 12 into shaft coupling shell 1 again, install installation piece 18 earlier in installing ring 13 through interior hexagonal installation, through setting up installing ring 13, spacing ring 14, installation piece 18, telescopic link 15 and spring 17, installing ring 13 can be fixed installation piece 18, spacing ring 14 can play fine limiting displacement, it drops from installing ring 13 in the installation to avoid installation piece 18, telescopic link 15 and spring 17 can support bolt chucking piece 19 and bolt cap 20, fine cushioning effect has been played to fixed axle 9, telescopic link 15 can avoid spring 17 to be excessively extruded simultaneously, the life of spring 17 has been improved, when needing to change spring 17, only need tear flexible loose axle 12 open can take out installation piece 18 and change the spring, the maintenance of letting the shaft coupling become portably.

Specifically, the outer wall of the fixed shaft 9 is provided with a guide strip 8, the inner wall of the coupler shell 1 is provided with a guide groove, and the guide strip 8 is connected with the inner wall of the guide groove in a sliding mode.

In this embodiment: through setting up gib block 8 and guide way, can play certain fixed and spacing effect to fixed axle 9, avoid the shaft coupling when driving fixed axle 9 and rotate, thereby fixed axle 9 self rotates in shaft coupling inner wall 1 and leads to the dangerous appearance that bolt 23 drops from internal thread hole 10, has improved the security of shaft coupling.

Specifically, the outer wall of the coupler shell 1 is provided with two outer snap rings 3 respectively, and the two outer snap rings 3 are fixed through screws.

In this embodiment: through setting up outer snap ring 3, can fix the pin 11 of connecting flexible loose axle 12, effectively improved the stability of flexible loose axle 12 in shaft coupling shell 1 inside.

Specifically, the outer wall of the top of the coupler housing 1 is provided with a protection frame 2, the outer wall of the top of the protection frame 2 is provided with a rectangular through groove, and the size of the rectangular groove is consistent with that of the mounting groove 4.

In this embodiment: through setting up bearer bar 2, can carry out effectual protection to mounting groove 4, avoid the shaft coupling to receive the damage at the spare part in the mounting groove 4 when rotating, improve the life of shaft coupling.

Specifically, two rectangle recesses have been opened respectively to 2 both sides inner walls of bearer bar, and two rectangle recess inner walls sliding connection have two fold soft boards 6 respectively, and 6 top outer walls of fold soft board are provided with the hasp, and the material of fold soft board 6 is elastic rubber.

In this embodiment: through setting up fold soft board 6 and hasp, after the staff adjusted the position of bolt chucking piece bulge piece 5 and packing ring bulge piece 7, with two relative pulling of fold soft board 6, then detain the hasp on the fold soft board 6 to sealed mounting groove 4 has been carried out, inside small particles such as the dust of avoiding the outer wall environment got into the shaft coupling through mounting groove 4, effectively improved the inside clean degree of shaft coupling.

Specifically, the slider 21 is made of aluminum alloy, and the depth of the slide rail 16 is slightly larger than the length of the slider 21.

In this embodiment: through setting up the slider 21 that the aluminum alloy made, when advancing slide rail 16 inside with slider 21 card through the pivoted mode again, let slider 21 be difficult to impaired, also let slider 21 can be faster inside the card advances slide rail 16 simultaneously, effectively improved the installation effectiveness of shaft coupling.

The utility model discloses a theory of operation and use flow: firstly, a fixed shaft 9 is inserted from an opening at one side of a coupler shell 1, then a gasket 22 and a bolt clamping piece 19 are placed into the coupler shell 1 through a mounting groove 4, then the gasket 22 and the bolt clamping piece 19 are rotated through a gasket protruding block 7 and a bolt clamping piece protruding block 5, a slide block 21 is clamped into a slide rail 16, and therefore the limiting and fixing of the gasket 22 and the bolt clamping piece 19 are completed, at the moment, a bolt 23 is placed into the coupler shell 1 from an opening at the other side of the coupler shell 1, the bolt 23 penetrates through the bolt clamping piece 19 and the gasket 22 and then enters an internal thread hole 10, at the moment, a worker moves the bolt clamping piece 19 to an opening at the other side of the coupler shell 1 through the bolt clamping piece protruding block 5, so that the bolt clamping piece 19 does not hinder the rotation of a bolt cap 20, then the worker rotates the bolt cap 20 by using tools such as an inner hexagon and the like, and therefore the bolt 23 is fixed with the fixed shaft 9 through threads, at the moment, the bolt clamping piece 19 moves back to be sleeved on the outer wall of the bolt cap 20 to fix the bolt, then the telescopic movable shaft 12 is inserted from the opening at the other side of the coupler shell 1, then the telescopic movable shaft 12 is fixed by the pin 11, then the telescopic movable shaft 12 is inserted into the coupler shell 1, the mounting block 18 is firstly mounted into the mounting ring 13 through an inner hexagonal, the mounting ring 13 can fix the mounting block 18, the limiting ring 14 can play a good limiting role to prevent the mounting block 18 from falling off from the mounting ring 13 when being mounted, the telescopic rod 15 and the spring 17 can support against the bolt clamping piece 19 and the bolt cap 20 to play a good buffering role for the fixed shaft 9, meanwhile, the telescopic rod 15 can prevent the spring 17 from being excessively extruded, when the spring 17 needs to be replaced, the mounting block 18 can be taken out to replace the spring only by detaching the telescopic movable shaft 12, through setting up gib block 8 and guide way, can play certain fixed and spacing effect to fixed axle 9, through setting up outer snap ring 3, can fix the pin 11 of connecting flexible loose axle 12, through setting up protective frame 2, can carry out effectual protection to mounting groove 4, after the staff has adjusted the position of bolt chucking piece bulge 5 and packing ring bulge 7, with two relative stimulations of fold soft board 6, then buckle on the fold soft board 6, thereby sealed mounting groove 4.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A locking type coupling is characterized in that: the coupler comprises a coupler shell (1), wherein a mounting groove (4) is formed in the outer wall of the top of the coupler shell (1), the coupler shell (1) is of a hollow structure, a fixing shaft (9) is arranged on the outer wall of one side of the coupler shell (1), an internal threaded hole (10) is formed in the inner wall of the fixing shaft (9), a bolt (23) is fixed on the inner wall of the internal threaded hole (10) through threads, a bolt cap (20) is arranged on the outer wall of one side of the bolt (23), a gasket (22) is sleeved on the outer wall of the bolt (23), a bolt clamping sheet (19) is sleeved on the outer wall of the bolt cap (20), four sliding blocks (21) are respectively arranged on the outer walls of the gasket (22) and the bolt clamping sheet (19), four sliding rails (16) are respectively formed on the inner wall of the coupler shell (1), the sliding blocks (21) are connected to the inner walls of, packing ring (22) and bolt chucking piece (19) top outer wall are provided with packing ring bulge piece (7) and bolt chucking piece bulge piece (5) respectively, packing ring bulge piece (7) and bolt chucking piece bulge piece (5) run through shaft coupling shell (1) through mounting groove (4), shaft coupling shell (1) one side inner wall is provided with flexible loose axle (12), flexible loose axle (12) one side outer wall is opened there is the cotter hole, shaft coupling shell (1) outer wall is opened respectively has two through-holes, cotter hole and two through-hole inner walls are provided with pin (11).

2. A locking coupling according to claim 1, wherein: the inner wall of the coupler shell (1) is provided with a mounting ring (13), the inner wall of one side of the mounting ring (13) is provided with a limiting ring (14), the inner wall of the mounting ring (13) is provided with an internal thread, a mounting block (18) is fixed on the inner wall of the mounting ring (13) through a thread, the outer wall of one side of the mounting block (18) is respectively provided with a telescopic rod (15) and a spring (17), the size of the outer wall of one side of the telescopic rod (15) is larger than that of the outer wall of one side of a bolt cap (20), and the outer wall of one side of the.

3. A locking coupling according to claim 2, wherein: the outer wall of the fixed shaft (9) is provided with a guide strip (8), the inner wall of the coupler shell (1) is provided with a guide groove, and the guide strip (8) is connected to the inner wall of the guide groove in a sliding mode.

4. A locking coupling according to claim 3, wherein: the outer wall of the coupler shell (1) is provided with two outer clamping rings (3) respectively, and the two outer clamping rings (3) are fixed through screws.

5. A locking coupling according to claim 4, wherein: the outer wall of the top of the coupler shell (1) is provided with a protection frame (2), the outer wall of the top of the protection frame (2) is provided with a rectangular through groove, and the size of the rectangular groove is consistent with that of the mounting groove (4).

6. A locking coupling according to claim 5, wherein: two rectangle recesses have been opened respectively to bearer bar (2) both sides inner wall, and two rectangle recess inner walls sliding connection have two fold soft boards (6) respectively, and fold soft board (6) top outer wall is provided with the hasp, and the material of fold soft board (6) is elastic rubber.

7. The locking coupling of claim 6, wherein: the slider (21) is made of aluminum alloy, and the depth of the slide rail (16) is slightly larger than the length of the slider (21).