CN213017343U

CN213017343U - Telescopic coupler

Info

Publication number: CN213017343U
Application number: CN202022001704.4U
Authority: CN
Inventors: 段珊珊
Original assignee: Tianjin Jiashengtai Technology Co ltd
Current assignee: Tianjin Jiashengtai Technology Co ltd
Priority date: 2020-09-14
Filing date: 2020-09-14
Publication date: 2021-04-20
Anticipated expiration: 2030-09-14

Abstract

The utility model discloses a retractable shaft coupling, including last shaft coupling, go up the inside fixed first connecting axle that can dismantle that is provided with of shaft coupling, and go up the inside slip of shaft coupling and be provided with down the shaft coupling, the inside fixed second connecting axle that can dismantle that is provided with of shaft coupling down, and the fixed fixture block that is provided with in the shaft coupling outside down, go up the fixed spout that is provided with in shaft coupling outside limit, the through-hole has been seted up on the spout surface, and the inside slip of spout is provided with the slider, and the fixed stopper that is provided with in spout top, the inside screw rod that has run through of through-hole, the screw rod tip rotates and is provided with the nut, go up the shaft coupling surface and seted up the fixed orifices, the inside activity of fixed orifices is provided with can. The telescopic coupler is simple in structure, the service life of the coupler can be guaranteed, and the accuracy of the telescopic degree of the coupler can be guaranteed.

Description

Telescopic coupler

Technical Field

The utility model relates to a field specifically is a retractable shaft coupling.

Background

The shaft coupling is a commonly used component in mechanical transmission, and is mainly used for coupling a shaft and a shaft or coupling an intermediate transmission mechanism of the shaft and other rotary components to transmit motion and torque. The coupling mainly comprises two parts which are respectively connected with the driving shaft and the driven shaft. In the practical process, generally, a power machine is connected with a working machine by means of a coupler.

The connection force of a transmission structure after the expansion of the existing telescopic coupler is weak, the coupler is easy to break, the normal work of the coupler is influenced, the expansion size is not accurate enough, and the application range of the telescopic coupler is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a retractable shaft coupling to the transmission structure connection power ratio is relatively weak after solving that present retractable shaft coupling is flexible that proposes among the above-mentioned background art, influences the shaft coupling and normally works, and flexible size is accurate inadequately, influences the application range's of retractable shaft coupling problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a retractable shaft coupling, includes the last shaft coupling, go up the inside fixed first connecting axle that can dismantle that is provided with of shaft coupling, and go up the inside slip of shaft coupling and be provided with down the shaft coupling, the inside fixed second connecting axle that can dismantle that is provided with of shaft coupling down, and the fixed fixture block that is provided with in the shaft coupling outside down, go up the fixed spout that is provided with in shaft coupling outside limit, the through-hole has been seted up on the spout surface, and the inside slip of spout is provided with the slider, and the fixed stopper that is provided with in spout top, the inside screw rod that runs through of through-hole, the screw rod tip rotates and is provided with the nut, go up the shaft coupling surface and seted up the fixed orifices, the inside activity of fixed.

Preferably, a clamping groove is fixedly arranged at the joint of the upper coupler and the clamping block, and the clamping block is in sliding connection with the clamping groove on a vertical plane.

Preferably, the clamping blocks are arranged in a plurality of groups and are uniformly distributed on the surface of the lower coupler.

Preferably, the sliding grooves are arranged in two groups and are symmetrical about the central axis of the upper coupler.

Preferably, the surface of the sliding groove is fixedly provided with scale values, and the scale values are positioned on the side edges of the through holes.

Preferably, the screw and the nut are connected in a threaded fit.

Preferably, a fixing hole is formed in the surface of the lower coupling, a detachable fixing rod is arranged in the fixing hole, and the other end of the fixing rod is fixed in the second connecting shaft.

Compared with the prior art, the beneficial effects of the utility model are that: use the utility model discloses the time, because screw rod and nut pass through screw-thread fit and connect, unscrew the nut, make the screw rod can slide in the through-hole is inside, under the mating action of spout and slider, stretch out and draw back last shaft coupling and lower shaft coupling, carry out the accurate regulation according to the scale value to the length value of last shaft coupling and lower shaft coupling, thereby make the length of shaft coupling accurate, meanwhile, because it is fixed with the draw-in groove to go up shaft coupling and fixture block junction, and the fixture block is at vertical plane sliding connection about the draw-in groove, and the fixture block is provided with a plurality of groups, and fixture block evenly distributed is on the shaft coupling surface down, the cooperation is connected between a plurality of groups of fixture block and the draw-in groove, make the device whole enough engaging force when the transmission, thereby guarantee the normal work of scalable shaft coupling, screw up the nut at last.

The utility model discloses simple structure not only can guarantee the life of shaft coupling, can also guarantee the accuracy of shaft coupling elasticity.

Drawings

Fig. 1 is a schematic top view of a telescopic coupling according to the present invention;

fig. 2 is a schematic view of a front view structure of a retractable coupling of the present invention;

fig. 3 is the utility model relates to a retractable shaft coupling A department structure schematic diagram.

In the figure: 1. an upper coupling; 2. a lower coupling; 3. a clamping block; 4. a chute; 5. a slider; 6. a nut; 7. a screw; 8. a limiting block; 9. a first connecting shaft; 10. a second connecting shaft; 11. a scale value; 12. a through hole; 13. a fixing hole; 14. and (5) fixing the rod.

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. 1-3, the present invention provides a technical solution: a telescopic shaft coupling comprises an upper shaft coupling 1, a detachable first connecting shaft 9 is fixedly arranged inside the upper shaft coupling 1, a lower shaft coupling 2 is slidably arranged inside the upper shaft coupling 1, a detachable second connecting shaft 10 is fixedly arranged inside the lower shaft coupling 2, a clamping block 3 is integrally formed on the outer side of the lower shaft coupling 2, a clamping groove is fixedly arranged at the joint of the upper shaft coupling 1 and the clamping block 3, the clamping block 3 is slidably connected on a vertical plane relative to the clamping groove, a plurality of groups of clamping blocks 3 are arranged on the clamping block 3, the clamping blocks 3 are uniformly distributed on the surface of the lower shaft coupling 2, a sliding groove 4 is integrally formed on the outer side edge of the upper shaft coupling 1, two groups of sliding grooves 4 are arranged on the sliding groove 4, the sliding grooves 4 are symmetrical relative to the axis of the upper shaft coupling 1, a through hole 12 is formed on the surface of the sliding groove 4, a

scale value

11, and 4 top welded fastening of spout is provided with stopper 8, through-hole 12 is inside to run through there is

screw rod

7, 7 tip rotations of screw rod are provided with nut 6, screw rod 7 and nut 6 pass through screw-thread fit and connect, fixed orifices 13 have been seted up on the surface of upper shaft coupling 1, the inside activity of fixed orifices 13 is provided with can dismantle dead lever 14, the dead lever 14 other end is fixed in inside fixed first connecting axle 9, fixed orifices 13 have been seted up on the surface of lower shaft coupling 2, the inside dead lever 14 that can dismantle that is provided with of fixed orifices 13, the dead lever 14 other end is fixed in inside second connecting axle.

The working principle is as follows: when the telescopic coupler is used, the screw 7 and the nut 6 are connected in a matched manner through threads, the nut 6 is unscrewed, so that the screw 7 can slide in the through hole 12, the upper coupler 1 and the lower coupler 2 can be stretched under the matched action of the sliding groove 4 and the sliding block 5, the length values of the upper coupler 1 and the lower coupler 2 are accurately adjusted according to the scale value 11, so that the length of the coupler is accurate, meanwhile, the connecting part of the upper coupler 1 and the clamping block 3 is fixedly provided with the clamping groove, the clamping block 3 is connected with the clamping groove in a sliding manner on a vertical plane, the clamping block 3 is provided with a plurality of groups, the clamping blocks 3 are uniformly distributed on the surface of the lower coupler 2, the clamping blocks 3 and the clamping groove are connected in a matched manner, so that the whole device has enough connecting force during transmission, so that the normal work of the telescopic coupler is ensured, and finally the nut, so that the upper coupling 1 and the lower coupling 2 are fixed.

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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A retractable shaft coupling, includes last shaft coupling (1), its characterized in that: the upper coupler (1) is fixedly provided with a detachable first connecting shaft (9) inside, the upper coupler (1) is provided with a lower coupler (2) inside in a sliding manner, the lower coupler (2) is fixedly provided with a detachable second connecting shaft (10) inside in a sliding manner, a clamping block (3) is fixedly arranged on the outer side of the lower coupler (2), a sliding groove (4) is fixedly arranged on the outer side edge of the upper coupler (1), a through hole (12) is formed in the surface of the sliding groove (4), a sliding block (5) is arranged inside the sliding groove (4) in a sliding manner, a limiting block (8) is fixedly arranged at the top of the sliding groove (4), a screw rod (7) penetrates through the through hole (12), a nut (6) is rotatably arranged at the end part of the screw rod (7), a fixing hole (13) is formed in the surface of the upper coupler (1), and a detachable fixing, the other end of the fixing rod (14) is fixed in the first connecting shaft (9).

2. A telescoping coupling according to claim 1, wherein: a clamping groove is fixedly arranged at the joint of the upper coupler (1) and the clamping block (3), and the clamping block (3) is in sliding connection with the clamping groove on a vertical plane.

3. A telescoping coupling according to claim 1, wherein: the clamping blocks (3) are provided with a plurality of groups, and the clamping blocks (3) are uniformly distributed on the surface of the lower coupler (2).

4. A telescoping coupling according to claim 1, wherein: the two groups of sliding grooves (4) are arranged, and the sliding grooves (4) are symmetrical about the central axis of the upper coupler (1).

5. A telescoping coupling according to claim 1, wherein: the surface of the sliding groove (4) is fixedly provided with a scale value (11), and the scale value (11) is located on the side of the through hole (12).

6. A telescoping coupling according to claim 1, wherein: the screw rod (7) and the nut (6) are connected in a matched mode through threads.

7. A telescoping coupling according to claim 1, wherein: the surface of the lower coupling (2) is provided with a fixing hole (13), a detachable fixing rod (14) is arranged in the fixing hole (13), and the other end of the fixing rod (14) is fixed in the second connecting shaft (10).