CN211693290U

CN211693290U - Shaft coupling

Info

Publication number: CN211693290U
Application number: CN202020135305.4U
Authority: CN
Inventors: 牟海波; 叶宝飞
Original assignee: Yueqing Chongxin Machinery Manufacturing Co ltd
Current assignee: Yueqing Chongxin Machinery Manufacturing Co ltd
Priority date: 2020-01-20
Filing date: 2020-01-20
Publication date: 2020-10-16
Anticipated expiration: 2030-01-20

Abstract

The utility model discloses a coupler, relating to the technical field of couplers, which has the technical proposal that the coupler comprises a first sleeve and a second sleeve, the first sleeve and the second sleeve are connected through a transmission mechanism, the transmission mechanism comprises two first supporting seats, two second supporting seats and a cross transmission shaft, the two first supporting seats and the end surface of the first sleeve facing the second sleeve are detachably connected through a first locking mechanism, the two second supporting seats and the end surface of the second sleeve facing the first sleeve are detachably connected through a second locking mechanism, the two first supporting seats and the two second supporting seats are sequentially arranged in a staggered mode and are enclosed to form an installation cavity, the cross transmission shaft sets up in the installation intracavity, four axle heads of cross transmission shaft respectively with two first supporting seat and two the second supporting seat rotates to be connected, the utility model discloses the effect of conveniently changing the cross transmission shaft has.

Description

Shaft coupling

Technical Field

The utility model belongs to the technical field of the technique of shaft coupling and specifically relates to a shaft coupling is related to.

Background

At present, a coupling refers to a device which connects two shafts or a shaft and a rotating member, rotates together in the process of transmitting motion and power, and does not separate 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.

The current Chinese patent with publication number CN204327792U discloses a universal coupling, which comprises a cross shaft and two forks, and also comprises a positioning device for positioning the cross shaft and the forks, wherein the positioning device comprises a through groove arranged on the forks and a clamping plate which is inserted in the through groove and is vertical to the axis of a through hole and can position the shaft end of the cross shaft, two sides of the clamping plate are respectively provided with a flange, and a positioning groove which is matched with the flange and is in sliding fit with the flange when the clamping plate is inserted is arranged in the through groove.

The above prior art solutions have the following drawbacks: when the coupler is used, two ends of the coupler are respectively connected with the driving shaft and the driven shaft, the shaft end of the cross shaft is inserted into the through groove of the fork head, the driving shaft rotates to apply force to the shaft of the cross shaft for rotating the cross shaft, and then the cross shaft applies force to the other fork head for rotating the driven shaft for a long time, so that the shaft of the cross shaft is easy to damage.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model provides a coupler, it has the effect of conveniently changing the cross transmission shaft.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a coupler, includes first sleeve and second sleeve, first sleeve and second sleeve are connected through drive mechanism, drive mechanism includes two first supporting seats, two second supporting seats and cross transmission shaft, two first supporting seat all can dismantle through first locking mechanical system with first sleeve towards the telescopic terminal surface of second and be connected, two the second supporting seat all can dismantle through second locking mechanical system with second sleeve towards the first telescopic terminal surface and be connected, two crisscross setting in proper order and enclose between first supporting seat and the two second supporting seats and close and form the installation cavity, the cross transmission shaft sets up in the installation cavity, four axle heads of cross transmission shaft respectively with two first supporting seat and two the second supporting seat rotates to be connected.

By adopting the technical scheme, when the cross-shaped rotating shaft is damaged, the first sleeve is separated from the first supporting seat through the first locking mechanism, the second sleeve is separated from the second supporting seat through the second locking mechanism, so that the transmission mechanism, the first sleeve and the second sleeve are separated, and then the damaged cross-shaped rotating shaft is separated from the first supporting seat and the second supporting seat respectively; install new cross axis of rotation and first supporting seat and second supporting seat to be connected drive mechanism with first sleeve and second sleeve respectively, realize the change of cross axis of rotation.

The utility model discloses further set up to: the first locking mechanism comprises an insert block fixedly connected with the end face of the first support seat facing the first sleeve, a clamping groove is formed in one end, away from the axis of the first sleeve, of the insert block, a clamping block and a spring are arranged in the clamping groove, the two opposite ends of the spring are respectively away from one end of the opening and fixedly connected with the clamping groove, a slot for embedding the insert block is formed in the first sleeve, and a jack for embedding the clamping block is formed in the end face, away from the axis of the first sleeve, of the slot.

By adopting the technical scheme, during installation, the movable clamping block is embedded into the clamping groove, the spring is compressed and deformed, the inserting block is inserted into the inserting groove until the inserting groove is aligned with the inserting hole, and the spring is reset, so that the clamping block is inserted into the inserting hole, and the first supporting seat is connected with the first sleeve; otherwise, the driving clamping block is separated from the jack, and then the first supporting seat is separated from the first sleeve.

The utility model discloses further set up to: the lateral wall fixedly connected with stopper of fixture block, the spacing groove that supplies the stopper embedding is seted up to the draw-in groove inner wall, the stopper slides and sets up in the spacing inslot.

By adopting the technical scheme, when the limiting block is abutted against one end of the limiting groove close to the spring, the limiting block is completely embedded into the limiting groove and limits the clamping block to continue to face one end of the spring; when the limiting block and the limiting groove are abutted to the end far away from the spring, the clamping block is prevented from continuously extending out of the clamping groove, and the clamping block is prevented from being separated from the clamping groove.

The utility model discloses further set up to: the fixture block is far away from the spring one end and has been seted up the chamfer, the chamfer inclined plane sets up towards the one end slope of keeping away from first sleeve.

By adopting the technical scheme, the insert block is embedded into the slot, and the chamfer inclined plane is abutted against the first sleeve, so that the clamping block is embedded into the clamping groove when the insert block is further inserted into the slot; make first sleeve and first supporting seat installation make need not artificial drive fixture block and imbed the draw-in groove in, have labour saving and time saving's effect.

The utility model discloses further set up to: the side edge of the first supporting seat is fixedly connected with a reinforcing block.

Through adopting above-mentioned technical scheme, through the intensity when the boss improves first supporting seat and connects, prevent that the shaft coupling when rotating, deformation takes place for first supporting seat.

The utility model discloses further set up to: the one end fixedly connected with guide bar of first sleeve orientation first supporting seat, confession guide bar male guiding hole has been seted up to first supporting seat.

By adopting the technical scheme, the guide hole and the guide groove have a guide effect, so that the insertion block can be conveniently embedded into the insertion groove, and the first support seat is connected with the first sleeve in an installing manner; and meanwhile, the strength of the coupler is improved, so that the first supporting seat is prevented from deforming when the coupler rotates.

The utility model discloses further set up to: an operation ring is fixedly connected to the outer circumferential surface of the first sleeve, and an operation hole is formed in one end, far away from the second sleeve, of the operation ring.

Through adopting above-mentioned technical scheme, can make things convenient for first sleeve through the operation ring, carry out erection joint with the axle that has the ring flange.

The utility model discloses further set up to: one end of the operating ring, which is far away from the first supporting seat, is fixedly connected with a rubber sheet.

Through adopting above-mentioned technical scheme, set up the sheet rubber for when operation ring and ring flange installation, the sheet rubber takes place deformation, makes operation ring and ring flange be connected inseparabler.

To sum up, the utility model discloses following beneficial effect has:

1. when the cross-shaped rotating shaft is damaged, the first sleeve is separated from the first supporting seat through the first locking mechanism, the second sleeve is separated from the second supporting seat through the second locking mechanism, so that the transmission mechanism, the first sleeve and the second sleeve are separated, and the damaged cross-shaped rotating shaft is separated from the first supporting seat and the second supporting seat respectively; mounting a new cross-shaped rotating shaft with the first supporting seat and the second supporting seat, and respectively connecting a transmission mechanism with the first sleeve and the second sleeve to realize the replacement of the cross-shaped rotating shaft;

2. set up guide bar, boss and improve the intensity of first supporting seat, increase the life of first supporting seat.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

fig. 2 is a partial cross-sectional view of the present embodiment highlighting the first locking mechanism.

Reference numerals: 1. a first sleeve; 11. a slot; 12. a jack; 13. a guide bar; 14. an operating ring; 15. an operation hole; 16. a rubber sheet; 2. a second sleeve; 3. a transmission mechanism; 31. a first support base; 311. a reinforcing block; 312. a guide hole; 32. a second support seat; 33. a cross-shaped transmission shaft; 4. a first locking mechanism; 41. inserting a block; 411. a card slot; 412. a limiting groove; 42. a clamping block; 421. chamfering; 422. a limiting block; 43. a spring; 5. a second locking mechanism; 6. and (7) installing a cavity.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and fig. 2, this embodiment discloses a coupler, including first sleeve 1 and second sleeve 2, first sleeve 1 and second sleeve 2 connect through drive mechanism 3, drive mechanism 3 includes two first supporting seats 31, two second supporting seats 32 and cross transmission shaft 33, two first supporting seats 31 and first sleeve 1 all can dismantle through first locking mechanical system 4 and be connected towards the terminal surface of second sleeve 2, two second supporting seats 32 and second sleeve 2 all can dismantle through second locking mechanical system 5 and be connected towards the terminal surface of first sleeve 1, crisscross setting in proper order and enclose between two first supporting seats 31 and the two second supporting seats 32 and close formation installation cavity 6, cross transmission shaft 33 sets up in installation cavity 6, four axle heads of cross transmission shaft 33 rotate with two first supporting seats 31 and two second supporting seats 32 respectively and are connected.

Referring to fig. 1 and 2, the first locking mechanism 4 includes an insertion block 41 fixedly connected to the end surface of the first support seat 31 facing the first sleeve 1, a slot 411 is disposed at an end of the insertion block 41 away from the axis of the first sleeve 1, a latch 42 and a spring 43 are disposed in the slot 411, and two opposite ends of the spring 43 are respectively fixedly connected to an end of the slot 411 away from the opening and the latch 42. The end of the latch 42 away from the spring 43 is provided with a chamfer 421, and the inclined surface of the chamfer 421 is inclined towards the end away from the first sleeve 1. The first sleeve 1 is provided with a slot 11 for the insertion block 41 to be embedded in, and the end surface of the slot 11 far away from the axis of the first sleeve 1 is provided with a jack 12 for the fixture block 42 to be embedded in.

Referring to fig. 1 and 2, when the first support seat 31 and the first sleeve 1 are mounted, the insert block 41 is inserted into the slot 11 until the inclined surface of the chamfer 421 abuts against the first sleeve 1; and then, the first supporting seat 31 is continuously driven to move towards the first sleeve 1, so that the clamping block 42 is embedded into the clamping groove 411, meanwhile, the spring 43 is compressed and deformed until the insertion hole 12 is aligned with the clamping groove 411, and the spring 43 is reset so that the clamping block 42 extends out of the clamping groove 411 and is embedded into the insertion hole 12, so that the first supporting seat 31 is connected with the first sleeve 1.

Referring to fig. 1 and 2, a limiting block 422 is fixedly connected to a side wall of the clamping block 42, a limiting groove 412 for the limiting block 422 to be embedded is formed in the inner wall of the clamping groove 411, and the limiting block 422 is slidably disposed in the limiting groove 412. When the limiting block 422 abuts against one end of the limiting groove 412 close to the spring 43, the fixture block 42 is completely embedded into the fixture groove 411; when the limiting block 422 abuts against the end of the limiting groove 412 far away from the spring 43, the blocking block 42 is prevented from continuously extending out of the blocking groove 411, and a limiting effect is achieved.

Referring to fig. 1 and 2, the reinforcing block 311 is fixedly connected to the side of the first supporting seat 31, and the reinforcing block 311 can improve the strength of the first supporting seat 31 and prevent the first supporting seat 31 from being deformed. One end of the first sleeve 1 facing the first supporting seat 31 is fixedly connected with a guiding rod 13, and the first supporting seat 31 is provided with a guiding hole 312 for inserting the guiding rod 13. The guide rod 13 and the guide hole 312 are provided to facilitate the installation of the first sleeve 1 and the first support 31.

An operation ring 14 is fixedly connected to the outer circumferential surface of the first sleeve 1, and an operation hole 15 is formed in one end, far away from the second sleeve 2, of the operation ring 14. A rubber sheet 16 is fixedly connected to an end of the operating ring 14 remote from the first support 31. The first sleeve 1 is connected with the shaft with the flange plate through the operation ring 14, and the friction force between the flange plate and the operation ring 14 is increased through the rubber sheet 16, so that the stability of the connection between the operation ring 14 and the flange plate is improved.

The structure of the second sleeve 2 is the same as that of the first sleeve 1, the structure of the second locking mechanism 5 is the same as that of the first locking mechanism 4, except that the second locking mechanism 5 is connected with the second support seat 32 and the second sleeve 2, and the first locking mechanism 4 is connected with the first support seat 31 and the first sleeve 1.

The implementation principle of the embodiment is as follows: when the cross transmission shaft 33 is replaced, the first driving clamping block 42 moves towards the spring 43, so that the clamping block 42 is separated from the jack 12, then the first supporting seat 31 is separated from the first sleeve 1, the second supporting seat 32 is separated from the second sleeve 2 in the same way, and then the damaged cross transmission shaft 33 is separated from the first supporting seat 31 and the second supporting seat 32 respectively; and a new cross transmission shaft 33 is respectively installed with the first supporting seat 31 and the second supporting seat 32, so that the assembly of the coupler is realized.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, any modification, equivalent replacement, or improvement made within the design concept of the present invention should be included within the protection scope of the present invention.

Claims

1. A coupling comprising a first sleeve (1) and a second sleeve (2), characterized in that: the first sleeve (1) and the second sleeve (2) are connected through a transmission mechanism (3), the transmission mechanism (3) comprises two first supporting seats (31), two second supporting seats (32) and a cross transmission shaft (33), the two first supporting seats (31) and the end surface of the first sleeve (1) facing the second sleeve (2) are detachably connected through a first locking mechanism (4), the two second supporting seats (32) and the end surface of the second sleeve (2) facing the first sleeve (1) are detachably connected through a second locking mechanism (5), the two first supporting seats (31) and the two second supporting seats (32) are sequentially arranged in a staggered mode and are enclosed to form an installation cavity (6), the cross transmission shaft (33) is arranged in the installation cavity (6), and four shaft ends of the cross transmission shaft (33) are respectively connected with the first supporting seat (31) and the second supporting seat (32) in a rotating mode.

2. A coupling according to claim 1, wherein: first locking mechanical system (4) include with first supporting seat (31) towards terminal surface fixed connection's of first sleeve (1) inserted block (41), inserted block (41) are kept away from the one end of first sleeve (1) axis and are seted up draw-in groove (411), be provided with fixture block (42) and spring (43) in draw-in groove (411), open-ended one end and fixture block (42) fixed connection are kept away from respectively with draw-in groove (411) in the both ends that spring (43) are relative, slot (11) that supply inserted block (41) embedding are seted up in first sleeve (1), jack (12) that supply fixture block (42) embedding are seted up to the terminal surface that first sleeve (1) axis was kept away from in slot (11).

3. A coupling according to claim 2, wherein: the lateral wall fixedly connected with stopper (422) of fixture block (42), spacing groove (412) that supply stopper (422) embedding are seted up to draw-in groove (411) inner wall, stopper (422) slide to be set up in spacing groove (412).

4. A coupling according to claim 2, wherein: a chamfer (421) is formed in one end, far away from the spring (43), of the clamping block (42), and the inclined surface of the chamfer (421) is obliquely arranged towards one end, far away from the first sleeve (1).

5. A coupling according to claim 1, wherein: the side edge of the first supporting seat (31) is fixedly connected with a reinforcing block (311).

6. A coupling according to claim 1, wherein: first sleeve (1) is towards one end fixedly connected with guide bar (13) of first supporting seat (31), confession guide bar (13) male guiding hole (312) have been seted up in first supporting seat (31).

7. A coupling according to claim 1, wherein: the outer circumferential surface of the first sleeve (1) is fixedly connected with an operation ring (14), and one end, far away from the second sleeve (2), of the operation ring (14) is provided with an operation hole (15).

8. A coupling according to claim 7, wherein: one end of the operating ring (14) far away from the first supporting seat (31) is fixedly connected with a rubber sheet (16).