CN215980521U

CN215980521U - Telescopic coupler

Info

Publication number: CN215980521U
Application number: CN202121654182.6U
Authority: CN
Inventors: 陈书永; 楼晓刚; 吴永文
Original assignee: Zhuji Ichoice Magtech Co ltd
Current assignee: Zhuji Ichoice Magtech Co ltd
Priority date: 2021-07-21
Filing date: 2021-07-21
Publication date: 2022-03-08
Anticipated expiration: 2031-07-21

Abstract

The utility model discloses a telescopic coupler, which belongs to the technical field of couplers and comprises a first connecting shaft part and a second connecting shaft part, wherein an adjustable telescopic mechanism is connected between the first connecting shaft part and the second connecting shaft part, portable fixing mechanisms are respectively arranged on the first connecting shaft part and the second connecting shaft part, each portable fixing mechanism comprises four arc-shaped clamping plates, guide seats with inverted T-shaped vertical sections are respectively fixed at one ends of the arc-shaped clamping plates, the guide seats are respectively connected in the first connecting shaft part or the second connecting shaft part in a sliding manner, guide grooves matched with the guide seats are respectively arranged in the first connecting shaft part or the second connecting shaft part, and screw rods are respectively connected to the guide seats in a spiral transmission manner; through adjustable telescopic machanism's setting, can be convenient for even the distance between a shaft member one and the shaft member two adjusts that stretches out and draws back for this shaft coupling can stretch out and draw back in certain distance within range and adjust, and can effectively connect two pivots, satisfy the demand under the different in service behavior, enlarge the application scope of this shaft coupling.

Description

Telescopic coupler

Technical Field

The utility model belongs to the technical field of couplings, and particularly relates to a telescopic coupling.

Background

The coupling is a device for connecting two shafts or a shaft and a rotating part, rotating together in the process of transmitting motion and power and not separating 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.

At present, when butt joint between two pivot one ends, need use the shaft coupling, current shaft coupling, the both ends wheel base of shaft coupling is fixed unchangeably usually, can't stretch out and draw back and adjust, however when in-service use, the distance diverse is connected between the pivot of great majority, and the unchangeable shaft coupling of wheel base then can't carry out the effective connection with the diaxon, and current shaft coupling can only be applicable to the fixed pivot of size simultaneously, can't fix the pivot of different diameters size, have certain drawback in the use.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a telescopic coupling, which solves the above problems in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: a telescopic shaft coupling comprises a first connecting shaft part and a second connecting shaft part, wherein an adjustable telescopic mechanism is connected between the first connecting shaft part and the second connecting shaft part, portable fixing mechanisms are respectively arranged on the first connecting shaft part and the second connecting shaft part and comprise four arc-shaped clamping plates, guide seats with inverted T-shaped vertical cross sections are respectively fixed at one ends of the arc-shaped clamping plates, the guide seats are respectively connected in the first connecting shaft part or the second connecting shaft part in a sliding manner, guide grooves matched with the guide seats are respectively arranged in the first connecting shaft part or the second connecting shaft part, screw rods are respectively connected on the guide seats in a spiral transmission manner and are respectively connected in the corresponding guide grooves in a rotating manner, one ends of the screw rods respectively extend to the outer sides of the first connecting shaft part or the second connecting shaft part, and the outer sides of the four gears are engaged and connected with the same transmission gear ring, and the transmission gear ring is rotatably sleeved on the outer side of the first connecting shaft piece or the second connecting shaft piece.

As a preferred embodiment, an annular magnetic slider with a circular ring-shaped vertical cross section is fixed on the inner wall of the transmission gear ring, and annular magnetic chutes matched with the annular magnetic slider are formed in the outer sides of the first connecting shaft part or the second connecting shaft part.

As a preferred embodiment, the adjustable telescopic mechanism comprises a plurality of fixed blocks which are fixed on the outer side of the first connecting shaft part and are arranged in an annular array, fixed rods are fixed on the fixed blocks and face one side wall of the second connecting shaft part, and the fixed rods penetrate through and are fixed on the first connecting shaft part.

As a preferred embodiment, the second connecting shaft part is provided with movable holes matched with the fixing rods, silica gel buffer sleeves are fixed in the movable holes, and the silica gel buffer sleeves are movably sleeved on the outer sides of the corresponding fixing rods.

As a preferred embodiment, moving blocks are fixed at the ends of the fixed rods, which are far away from the corresponding fixed blocks, sliding seats with inverted T-shaped vertical sections are fixed at one ends of the moving blocks, and sliding grooves matched with the corresponding sliding seats are formed in the outer sides of the connecting shaft pieces two.

As a preferred embodiment, the stud is fixed on one side wall of the moving block, the side plates fixed on the outer sides of the two connecting shaft members are arranged on one side of the moving block, the moving channels matched with the corresponding studs are formed in the side plates, the studs penetrate out of the corresponding moving channels, hand nuts are screwed in the studs, and the studs are movably connected in the corresponding moving channels.

Compared with the prior art, the telescopic coupling provided by the utility model at least has the following beneficial effects:

(1) through the arrangement of the adjustable telescopic mechanism, the distance between the first connecting shaft part and the second connecting shaft part can be conveniently telescopically adjusted, so that the coupler can be telescopically adjusted within a certain distance range, the two rotating shafts can be effectively connected, the requirements under different use conditions are met, and the application range of the coupler is expanded;

(2) through portable fixed establishment's setting, can conveniently carry out fixed mounting respectively with driving shaft, driven shaft on even axle piece one and even axle piece two, need not to fix through the outside screw, the simple operation nature is high, secondly, still can fix the axle piece of equidimension diameter not, further enlarges the application scope of this device.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a sectional view of the coupling member of the present invention;

fig. 3 is an enlarged schematic view of the structure of the present invention at a.

In the figure: 1. a first connecting shaft part; 2. a second connecting shaft part; 3. an adjustable telescoping mechanism; 301. a fixed block; 302. fixing the rod; 303. a silica gel buffer sleeve; 304. a moving block; 305. a sliding seat; 306. a stud; 307. a side plate; 308. screwing the nut by hand; 309. a moving channel; 4. a portable fixing mechanism; 401. an arc-shaped splint; 402. a guide seat; 403. a screw; 404. a gear; 405. a transmission gear ring; 406. an annular magnetic slider.

Detailed Description

The present invention will be further described with reference to the following examples.

The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model. The conditions in the embodiments can be further adjusted according to specific conditions, and simple modifications of the method of the present invention based on the concept of the present invention are within the scope of the claimed invention.

Referring to fig. 1-3, the present invention provides a telescopic shaft coupling, which includes a first connecting shaft 1 and a second connecting shaft 2, an adjustable telescopic mechanism 3 is connected between the first connecting shaft 1 and the second connecting shaft 2, a portable fixing mechanism 4 is mounted on both the first connecting shaft 1 and the second connecting shaft 2, the portable fixing mechanism 4 includes four arc-shaped clamping plates 401, guide bases 402 with inverted T-shaped vertical cross-sections are fixed at one ends of the arc-shaped clamping plates 401, the guide bases 402 are slidably connected in the first connecting shaft 1 or the second connecting shaft 2, guide grooves matched with the guide bases 402 are formed in the first connecting shaft 1 or the second connecting shaft 2, screw rods 403 are spirally connected to the guide bases 402, the screw rods 403 are rotatably connected in the corresponding guide grooves, one ends of the screw rods 403 extend to the outer sides of the first connecting shaft 1 or the second connecting shaft 2, and are fixedly connected with gears 404, the outer sides of the four gears 404 are engaged with a same transmission gear ring 405, the transmission gear ring 405 rotates and is sleeved on the outer side of the connecting shaft piece I1 or the outer side of the connecting shaft piece II 2, when the transmission gear ring 405 rotates, the four gears 404 corresponding to the transmission can rotate in the same direction, the screw rods 403 can rotate, and the screw rods 403 are in spiral transmission connection with the corresponding guide bases 402, so that the four arc-shaped clamping plates 401 can move towards the central position, and one end of the rotating shaft can be quickly fixed.

An annular magnetic slider 406 with a circular vertical section is fixed on the inner wall of the transmission gear ring 405, annular magnetic sliding grooves matched with the annular magnetic slider 406 are formed in the outer sides of the first connecting shaft part 1 or the second connecting shaft part 2, when the transmission gear ring 405 is manually rotated, the transmission gear ring 405 rotates through the annular magnetic slider 406, however, magnetic attraction is generated between the annular magnetic slider 406 and the corresponding annular magnetic sliding grooves, and then the transmission gear ring 405 cannot move at a fixed position when the transmission gear ring 405 rotates without external force.

Adjustable telescopic machanism 3 includes a plurality of fixed blocks 301 that are the annular array and arrange in the fixed in axle piece 1 outside even, all be fixed with dead lever 302 on the lateral wall of axle piece two 2 towards even on the fixed block 301, dead lever 302 all runs through to be fixed on axle piece 1 even, link and all offer on the axle piece two 2 with dead lever 302 matched with movable hole, all be fixed with silica gel cushion collar 303 in the movable hole, the equal movable sleeve of silica gel cushion collar 303 is established in the dead lever 302 outside that corresponds, the setting of a plurality of silica gel cushion collars 303, cushion the shock attenuation between a plurality of dead levers 302 and axle piece two 2 even, the accuracy of shaft coupling has been increased, the work efficiency of shaft coupling has been improved, make the shaft coupling more stable when using, avoided causing the damage to the shaft coupling.

A moving block 304 is fixed at one end of each fixing rod 302 far away from the corresponding fixing block 301, sliding seats 305 with inverted-T-shaped vertical sections are fixed at one ends of the moving blocks 304, sliding grooves matched with the corresponding sliding seats 305 are formed in the outer sides of the connecting shaft pieces II 2, studs 306 are fixed on one side walls of the moving blocks 304, side plates 307 fixed on the outer sides of the connecting shaft pieces II 2 are arranged on one sides of the moving blocks 304, moving channels 309 matched with the corresponding studs 306 are formed in the side plates 307, the studs 306 penetrate out of the corresponding moving channels 309 and are in threaded connection with hand-screwed nuts 308, the studs 306 are movably connected in the corresponding moving channels 309, the positions of the corresponding studs 306 after moving are conveniently locked and fixed through the hand-screwed nuts 308, the distance between the connecting shaft pieces I1 and the connecting shaft pieces II 2 after telescopic adjustment is fixed, and the fixing effect is good, is not easy to loosen.

The working principle is as follows: when the shaft coupling is used, one end of two external rotating shafts can be respectively inserted between the first connecting shaft part 1 and the four arc-shaped clamping plates 401 on the second connecting shaft part 2, then the corresponding transmission gear rings 405 can be manually rotated, the four gears 404 correspondingly meshed with each other simultaneously rotate in the same direction, the screws 403 connected with the gears 404 rotate, as the screws 403 are spirally connected with the corresponding guide seats 402, the four arc-shaped clamping plates 401 can move to the central position, and one end of the rotating shaft can be quickly fixed, so that the rotating shaft is conveniently fixed or disassembled, great convenience is brought to manual installation of the rotating shafts, installation time is saved, furthermore, when the shaft coupling is required to be telescopically adjusted for use, the hand nuts 308 connected on the studs 306 can be loosened, one hand of a worker holds the first connecting shaft part 1, the other hand pulls the second connecting shaft part 2, then a plurality of silica gel buffer sleeves 303 on the second connecting shaft member 2 all slide on the corresponding fixing rods 302, and the moving blocks 304 all move on the second connecting shaft member 2 through the sliding seats 305, and at the same time, the studs 306 all move in the moving channels 309 on the corresponding side plates 307, after the distance between the first connecting shaft member 1 and the second connecting shaft member 2 is adjusted, the nuts 308 can be screwed by hands for locking the threaded connections on the studs 306, so that the first connecting shaft member 1 and the second connecting shaft member 2 are fixed after telescopic adjustment, the coupling can be suitable for spaces with different sizes, and the application range of the coupling is further expanded.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a retractable shaft coupling, includes even an axle part (1) and even an axle part two (2), its characterized in that: an adjustable telescopic mechanism (3) is connected between the first connecting shaft part (1) and the second connecting shaft part (2), portable fixing mechanisms (4) are installed on the first connecting shaft part (1) and the second connecting shaft part (2), each portable fixing mechanism (4) comprises four arc-shaped clamping plates (401), guide bases (402) with inverted T-shaped vertical sections are fixed at one ends of the arc-shaped clamping plates (401), the guide bases (402) are connected into the first connecting shaft part (1) or the second connecting shaft part (2) in a sliding mode, guide grooves matched with the guide bases (402) are formed in the first connecting shaft part (1) or the second connecting shaft part (2), screw rods (403) are connected onto the guide bases (402) in a spiral transmission mode, the screw rods (403) are connected into the corresponding guide grooves in a rotating mode, one ends of the screw rods (403) extend to the outer sides of the first connecting shaft part (1) or the second connecting shaft part (2) and are fixedly connected with gears (404), the outer sides of the four gears (404) are meshed with the same transmission gear ring (405), and the transmission gear ring (405) is rotatably sleeved on the outer side of the connecting shaft piece I (1) or the connecting shaft piece II (2).

2. A telescoping coupling according to claim 1, wherein: an annular magnetic sliding block (406) with a circular ring-shaped vertical section is fixed on the inner wall of the transmission gear ring (405), and annular magnetic sliding grooves matched with the annular magnetic sliding block (406) are formed in the outer sides of the connecting shaft piece I (1) or the connecting shaft piece II (2).

3. A telescoping coupling according to claim 1, wherein: adjustable telescopic machanism (3) include a plurality of fixed blocks (301) that are the annular array and arrange that link axle piece (1) outside is fixed, all be fixed with dead lever (302) on fixed block (301) towards a lateral wall of linking axle piece two (2), and dead lever (302) all run through to be fixed on linking axle piece (1).

4. A telescoping coupling according to claim 1, wherein: and a movable hole matched with the fixed rod (302) is formed in the second connecting shaft piece (2), a silica gel buffer sleeve (303) is fixed in the movable hole, and the silica gel buffer sleeve (303) is movably sleeved on the outer side of the corresponding fixed rod (302).

5. A telescoping coupling according to claim 3, wherein: and a moving block (304) is fixed at one end of each fixed rod (302) far away from the corresponding fixed block (301), a sliding seat (305) with an inverted T-shaped vertical section is fixed at one end of each moving block (304), and sliding grooves matched with the corresponding sliding seats (305) are formed in the outer sides of the connecting shaft pieces II (2).

6. The telescoping coupling of claim 5, wherein: all be fixed with double-screw bolt (306) on one lateral wall of movable block (304), one side of movable block (304) all is equipped with fixes curb plate (307) in connecting axle spare two (2) outsides, all set up on curb plate (307) with corresponding double-screw bolt (306) matched with removal passageway (309), double-screw bolt (306) are all worn out from corresponding removal passageway (309) to threaded connection has hand screwed nut (308), the equal swing joint of double-screw bolt (306) is in corresponding removal passageway (309).