CN208417307U

CN208417307U - Shaft coupling with function of safety protection

Info

Publication number: CN208417307U
Application number: CN201821065192.4U
Authority: CN
Inventors: 谢彦赞
Original assignee: Shenzhen Yongshun Hardware Products Co Ltd
Current assignee: Shenzhen Yongshun Hardware Products Co Ltd
Priority date: 2018-07-06
Filing date: 2018-07-06
Publication date: 2019-01-22
Anticipated expiration: 2028-07-06

Abstract

The utility model discloses the shaft couplings with function of safety protection, including the first half a coupler, the second half a coupler has been bolted to connection on the side outer wall of first half a coupler, the second shaft is welded on the outer wall of the other side, one end in second shaft far from the first half a coupler is welded with the second turntable, first rotating shaft is installed on the side outer wall of second half a coupler, one end of the first rotating shaft is welded with the first turntable, the other end is welded with internal gear, the inside of first turntable is equipped with lead screw, there is clamping plate by threaded engagement connection on the outer wall of the lead screw, and one end of lead screw is welded with second bevel gear, the inside of the first rotating shaft is equipped with first bevel gear and steering shaft, the utility model, which passes through, automatically allows driving shaft idle running effectively to avoid asking of avoiding driving equipment internal overload impaired Topic protects driving equipment, improves the function of safety protection of shaft coupling.

Description

Shaft coupling with function of safety protection

Technical field

The utility model belongs to shaft coupling technical field, and in particular to the shaft coupling with function of safety protection.

Background technique

Two axis (driving shaft and driven shaft) that shaft coupling is used to couple in different institutions are allowed to rotate jointly to transmit and turn round The machine components of square, in the power transmission of high-speed overload, some shaft couplings are there are also buffering, vibration damping and improve shafting dynamic property Effect, shaft coupling is made of two half parts, couples respectively with driving shaft and driven shaft.

But the existing shaft coupling of existing market lacks effective safety device, when driven shaft rotates stagnation of being obstructed When, driving shaft can not rotate, and the internal element of driving equipment is easy overload and is damaged, in addition, existing shaft coupling use scope has Limit, it is difficult to which the shaft of fixed different thicknesses, applicability are low.

Utility model content

The purpose of this utility model is to provide the shaft couplings with function of safety protection, are lacked with solving existing shaft coupling Safety device and the low problem of applicability.

To achieve the above object, the utility model provides the following technical solutions: the shaft coupling with function of safety protection, including First half a coupler has been bolted to connection the second half a coupler on the side outer wall of first half a coupler, another The second shaft is welded on the outer wall of side, one end far from the first half a coupler is welded with the second turntable, institute in second shaft It states and first rotating shaft is installed on the side outer wall of the second half a coupler, one end of the first rotating shaft is welded with the first turntable, separately One end is welded with internal gear, and the inside of first turntable is equipped with lead screw, is connected on the outer wall of the lead screw by threaded engagement It is connected to clamping plate, and one end of lead screw is welded with second bevel gear, the inside of the first rotating shaft is equipped with first bevel gear and turns To axis, the first bevel gear is connect with steering shaft by gear teeth meshing, and passes through shaft on the side outer wall of first bevel gear It is rotatably connected to handwheel, the steering shaft is connect with second bevel gear by gear teeth meshing, the inside of second half a coupler It is provided with rotating cylinder, the rotating cylinder is internally provided with steel ball, the side position of the inside of second half a coupler close to rotating cylinder Place is equipped with the second skewback, and movable plate is slidably connected on the side inside of the second half a coupler, the side of the movable plate Lower position on outer wall close to the second skewback is welded with the first skewback, and tooth socket is offered at the top of movable plate, the tooth Slot has been internally embedded ring gear, and the ring gear is connect with internal gear by gear teeth meshing.

Preferably, hole is offered on the side outer wall of the rotating cylinder.

Preferably, there are four the lead screw is arranged altogether, and four lead screws are uniformly mounted on the inside of the first turntable.

Preferably, it is opened up on the side outer wall of the movable plate fluted.

Preferably, the clamping plate is arcuate structure.

The utility model compared with prior art, has the advantages that

(1) the utility model is provided with internal gear, ring gear, movable plate, the first skewback, the second skewback, rotating cylinder, steel ball and tooth Movable plate is pressed into the second half a coupler when in use by slot, when the first half a coupler and the rotation of the second half a coupler, steel ball It is rotated in rotating cylinder, when the first half a coupler and the second half a coupler surprisingly block when stopping operating, steel ball is because of self gravity Decline and pound the decline of the second skewback, the second skewback pushes the first skewback to move horizontally, and the groove on movable plate is moved to ring gear Lower section, driving shaft drives ring gear idle running, by automatically allowing driving shaft idle running effectively to avoid and avoid inside driving equipment The impaired problem of overload, protects driving equipment, improves the function of safety protection of shaft coupling.

(2) the utility model is provided with lead screw, clamping plate, second bevel gear, handwheel, first bevel gear, steering shaft and first Driving shaft is inserted into the first turntable, rotates handwheel by turntable when in use, engages connection by first bevel gear and steering shaft, The connection of engaging of steering shaft and second bevel gear, second bevel gear drive lead screw engagement connection, and clamping plate moves on lead screw and will Driving shaft and driven axis clamping improve the range that shaft coupling uses, mention on the one hand convenient for the shaft of different thicknesses to be fixed On the other hand high applicability improves the fixed fastness of shaft, shaft coupling loosening is avoided to cause machinery driving efficiency is low to ask Topic.

Detailed description of the invention

Fig. 1 is the front view of the utility model；

Fig. 2 is the second half a coupler front view of the utility model；

Fig. 3 is the second half a coupler side view of the utility model；

Fig. 4 is the first turntable side view of the utility model；

In figure: the first half a coupler of 1-, the second half a coupler of 2-, 3- rotating cylinder, 4- ring gear, 5- internal gear, 6- handwheel, 7- One bevel gear, 8- steering shaft, 9- first rotating shaft, the first turntable of 10-, 11- movable plate, the first skewback of 12-, the second skewback of 13-, The second shaft of 14-, the second turntable of 15-, 16- steel ball, 17- tooth socket, 18- lead screw, 19- clamping plate, 20- second bevel gear.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

It please refers to shown in Fig. 1-Fig. 4, the utility model provides the following technical solutions: the shaft coupling with function of safety protection, Including the first half a coupler 1, the second half a coupler 2 is bolted to connection on the side outer wall of the first half a coupler 1, separately The second shaft 14 is welded on the outer wall of side, one end far from the first half a coupler 1 is welded with the second turntable in the second shaft 14 15, play the role of fixed driven shaft, first rotating shaft 9 is installed on the side outer wall of second half a coupler 2, first rotating shaft 9 One end is welded with the first turntable 10, and the other end is welded with internal gear 5, and the inside of the first turntable 10 is equipped with lead screw 18, lead screw 18 Outer wall on by threaded engagement connection have clamping plate 19, convenient for by the effect of driving shaft and driven axis clamping, and the one of lead screw 18 End is welded with second bevel gear 20, and the inside of first rotating shaft 9 is equipped with first bevel gear 7 and steering shaft 8, plays the work of steering With first bevel gear 7 is connect with steering shaft 8 by gear teeth meshing, and is rotated on the side outer wall of first bevel gear 7 by shaft It is connected with handwheel 6, steering shaft 8 is connect with second bevel gear 20 by gear teeth meshing, and being internally provided with for the second half a coupler 2 turns Cylinder 3, rotating cylinder 3 is internally provided with steel ball 16, plays the role of triggering the decline of the second skewback 13, the inside of the second half a coupler 2 Second skewback 13 is installed at a side position of rotating cylinder 3, and slidably connects shifting on the side inside of the second half a coupler 2 Movable plate 11, the lower position on the side outer wall of movable plate 11 close to the second skewback 13 are welded with the first skewback 12, and mobile The top of plate 11 offers tooth socket 17, rotates convenient for ring gear 4, and tooth socket 17 has been internally embedded ring gear 4, and ring gear 4 and internal gear 5 are logical Cross gear teeth meshing connection.

It falls for the ease of steel ball 16 and squeezes the movement of the second skewback 13, in the present embodiment, it is preferred that outside the side of rotating cylinder 3 Hole is offered on wall.

In order to guarantee the fixed fastness of driving shaft and driven shaft, in the present embodiment, it is preferred that lead screw 18 is provided with four altogether It is a, and four lead screws 18 are uniformly mounted on the inside of the first turntable 10.

It dallies for the ease of ring gear 4, in the present embodiment, it is preferred that opened up on the side outer wall of movable plate 11 fluted.

In order to guarantee the fixed fastness of driving shaft and driven shaft, in the present embodiment, it is preferred that clamping plate 19 is arc knot Structure.

The working principle and process for using of the utility model: when in use, by the first half a coupler 1 and the second half a coupler 2 are bolted to connection, and driving shaft is inserted into the first turntable 10, and driven shaft is inserted into the second turntable 15, rotate handwheel 6, It is connect by first bevel gear 7 with the engagement of steering shaft 8, steering shaft 8 is connect with the engagement of second bevel gear 20, second bevel gear 20 drive the engagement connection of lead screw 18, and clamping plate 19 moves on lead screw 18 and by driving shaft and driven axis clamping, when in use, will move Movable plate 11 is pressed into the second half a coupler 2, and when the first half a coupler 1 and the rotation of the second half a coupler 2, steel ball 16 is in rotating cylinder 3 Rotation, when the first half a coupler 1 and the second half a coupler 2 surprisingly block when stopping operating, steel ball is because self gravity declines simultaneously The decline of the second skewback 13 is pounded, the second skewback 13 pushes the first skewback 12 to move horizontally, and the groove on movable plate 11 is moved to tooth The lower section of ring 4, driving shaft drive first rotating shaft 9 to rotate, and first rotating shaft 9 drives internal gear 5 to rotate, and internal gear 5 drives ring gear 4 empty Turn, avoids driving equipment internal overload impaired.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims

1. the shaft coupling with function of safety protection, including the first half a coupler (1), it is characterised in that: first half a coupler (1) it has been bolted to connection on side outer wall the second half a coupler (2), has been welded with the second shaft on the outer wall of the other side (14), it is welded with the second turntable (15) on second shaft (14) far from the one end of the first half a coupler (1), described the second half It is equipped on the side outer wall of shaft coupling (2) first rotating shaft (9), one end of the first rotating shaft (9) is welded with the first turntable (10), the other end is welded with internal gear (5), and the inside of first turntable (10) is equipped with lead screw (18), the lead screw (18) Outer wall on have clamping plate (19) by threaded engagement connection, and one end of lead screw (18) is welded with second bevel gear (20), described The inside of first rotating shaft (9) is equipped with first bevel gear (7) and steering shaft (8), the first bevel gear (7) and steering shaft (8) It is connected, and is rotatably connected to handwheel (6) on the side outer wall of first bevel gear (7) by shaft, described turn by gear teeth meshing It is connect to axis (8) with second bevel gear (20) by gear teeth meshing, second half a coupler (2) is internally provided with rotating cylinder (3), the rotating cylinder (3) is internally provided with steel ball (16), and the inside of second half a coupler (2) is close to the one of rotating cylinder (3) It is equipped at side position the second skewback (13), and slidably connects movable plate (11) on the side inside of the second half a coupler (2), Lower position on the side outer wall of the movable plate (11) close to the second skewback (13) is welded with the first skewback (12), and is moved Offered at the top of movable plate (11) tooth socket (17), the tooth socket (17) has been internally embedded ring gear (4), the ring gear (4) with it is interior Gear (5) is connected by gear teeth meshing.

2. the shaft coupling according to claim 1 with function of safety protection, it is characterised in that: the side of the rotating cylinder (3) Hole is offered on outer wall.

3. the shaft coupling according to claim 1 with function of safety protection, it is characterised in that: the lead screw (18) is arranged altogether There are four, and four lead screws (18) are uniformly mounted on the inside of the first turntable (10).

4. the shaft coupling according to claim 1 with function of safety protection, it is characterised in that: the one of the movable plate (11) It is opened up on the outer wall of side fluted.

5. the shaft coupling according to claim 1 with function of safety protection, it is characterised in that: the clamping plate (19) is arc Structure.