CN113565888A

CN113565888A - Self-locking coupling

Info

Publication number: CN113565888A
Application number: CN202110764367.0A
Authority: CN
Inventors: 路庆杰
Original assignee: Yixing Duoxiang Automation Technology Co ltd
Current assignee: Yixing Sikeyuan Automation Technology Co ltd
Priority date: 2021-07-06
Filing date: 2021-07-06
Publication date: 2021-10-29
Anticipated expiration: 2041-07-06
Also published as: CN113565888B

Abstract

The invention discloses a self-locking coupler, which belongs to the technical field of couplers and comprises a coupler box, wherein one side of the coupler box is fixedly connected with a coupler sleeve connected with an external driving mechanism, an energy absorption mechanism is arranged in the inner cavity of the coupler box, one side of the energy absorption mechanism is movably connected with a transverse adjusting mechanism capable of being transversely adjusted, one side of the transverse adjusting mechanism is connected with an assembling seat through a universal mechanism capable of being adjusted in multiple shafts, and the inner cavity of the assembling seat is movably connected with a quick-mounting type axial assembling mechanism. According to the invention, the connecting shaft body inserted inside the connecting shaft body and the assembling seat at one side are sufficiently attached, limited and fixed by the mutually close assembling sets and the tight rings, so that self-locking assembly of the connecting shaft body can be realized by screwing the fastening screw rod main body, the portability and the stability of assembling and limiting the coupling can be obviously improved, and the requirement of quick overhaul and maintenance can be favorably realized.

Description

Self-locking coupling

Technical Field

The invention belongs to the technical field of couplings, and particularly relates to a self-locking 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 also used as a safety device to prevent the coupled parts from bearing excessive load, and it plays the role of overload protection. Mechanical parts for firmly coupling the driving shaft and the driven shaft in different mechanisms to rotate together and transmitting motion and torque. Sometimes it is also used to couple a shaft to other parts (e.g. gears, pulleys, etc.), often composed of two halves, coupled by keys or tight fits, etc., respectively, fastened at the two shaft ends, and then coupled by some means. The coupling can compensate the offset (including axial offset, radial offset, angular offset or comprehensive offset) between the two shafts due to inaccurate manufacture and installation, deformation or thermal expansion in work and the like; and the common coupling is mostly standardized or normalized, and generally, only the type of the coupling needs to be correctly selected and the model and the size of the coupling need to be determined. If necessary, the vulnerable weak links can be checked and calculated for the load capacity; when the rotating speed is high, the centrifugal force of the outer edge and the deformation of the elastic element need to be checked, balance check is carried out, and the like.

Chinese patent document publication No. (CN105899830B) discloses a coupling comprising a pair of members: a first member having an outer convex spherical periphery centered about a center point and a torque axis extending through the center point; and a second annular member having an inner concave spherical periphery centered about the center point and complementary to the outer periphery of the inner first member. The spherical surfaces of the inner and outer members interact to transfer radial loads between the two and to transfer loads acting along the torque axis between the two. The shaft arrangement extends radially from the center point and couples the first and second rings to transfer torque loads from one to the other. Each member of the pair of members can rotate relative to each other around the central point in the direction defined by the shaft device, but in actual use, certain defects still exist, such as only relative rotation of axial angles can be realized, multiaxial adjustment adaptability is lacked, and relative shaft body adjustment capacity of shaft bodies on two sides is affected, meanwhile, the shaft coupling is assembled through screws, disassembly maintenance efficiency of the shaft coupling is affected, energy absorption adjustment on external impact is lacked, adjustable absorption on the impact capacity is lacked, and use requirements cannot be well met.

Disclosure of Invention

The invention aims to: in order to solve the problems that the multi-axis adjustment adaptive capacity is lacked, the relative shaft body adjusting capacity of shaft bodies on two sides is influenced, meanwhile, the shaft coupling is assembled through screws, the disassembly maintenance efficiency of the shaft coupling is influenced, the energy absorption adjustment on external impact is lacked, and the adjustable absorption on the impact capacity is lacked, the self-locking shaft coupling is provided.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a self-locking coupler, includes the shaft coupling box, the shaft coupling that shaft coupling box one side fixedly connected with and outside actuating mechanism are connected, and the inner chamber of shaft coupling box is equipped with energy-absorbing mechanism, and energy-absorbing mechanism one side swing joint has the horizontal adjustment mechanism of horizontal regulation, but horizontal adjustment mechanism one side is connected with the assembly seat through the universal mechanism that can the multiaxis was adjusted, and assembly seat inner chamber swing joint has ready-package axial assembly mechanism.

As a further description of the above technical solution:

the energy absorption mechanism comprises a plurality of first energy absorption plates and second energy absorption plates which are oppositely arranged, the first energy absorption plates are fixedly connected in the coupling boxes at corresponding positions, one sides of the first energy absorption plates and the second energy absorption plates are respectively embedded with a driving sleeve, the inner surfaces of the driving sleeves are respectively sleeved with a driving rod, one sides of the two ends of the driving rod are respectively fixedly connected with an elastic plate, the cross section of the elastic plate is arc-shaped, the two sides of the elastic plate are attached to the first energy absorption plates or the second energy absorption plates at corresponding positions of the two sides of the tail end, the corresponding positions of the two sides of the second energy absorption plates are respectively fixedly connected with a second sliding block, the second sliding blocks are slidably connected in second sliding grooves formed in the inner cavity of the coupling boxes, fixing rods are fixedly connected between the second sliding blocks at the two connected sides, one end of the second sliding block at one side is fixedly connected with a spring, and the other end of the spring is fixedly connected with the corresponding position of one side of the inner cavity of the second sliding grooves, the dead lever top passes the opening and the fixedly connected with stopper that the shaft coupling box top was seted up through the connecting block, and stopper sliding connection is outside the shaft coupling box, and stopper bottom both sides have all seted up the spacing groove, and the spacing inslot joint has the lug, and lug fixed connection is outside the shaft coupling box, and the shape of cross section of spacing groove and lug is the arc.

As a further description of the above technical solution:

the cross section shapes of the first energy absorbing plate and the second energy absorbing plate are both arc shapes, the first energy absorbing plate and the second energy absorbing plate are both elastic energy absorbing steel plates, and the elastic plates are made of the same material as the first energy absorbing plate and the second energy absorbing plate.

As a further description of the above technical solution:

the transverse adjusting mechanism comprises an adjusting seat, a through groove is arranged on one side of the adjusting seat, two sliding seats are connected in the through groove in a sliding manner, one side of the sliding seat is fixedly connected with a connecting rod, the other end of the connecting rod passes through the coupling box and is fixedly connected with the energy absorbing mechanism at the corresponding position, a bearing is embedded at the top of the top sliding seat, a rotating shaft is sleeved in the bearing, a threaded column is fixedly connected at the top end of the rotating shaft, the outer side wall of the threaded column is connected with a threaded cap in a threaded manner, the threaded cap is embedded at the top of the inner cavity of the adjusting seat, and the top end of the threaded column is fixedly connected with a handle, the two sides of the sliding seat are fixedly connected with first sliding blocks, the first sliding blocks are connected in sliding grooves which are arranged at the corresponding positions of the two sides of the inner cavity of the through groove in a sliding way, adjust seat one side fixedly connected with seal receptacle, sliding connection has the piece of planting in the seal receptacle, and just plant a fixedly connected with laminating pad of one side, and laminating pad and one side shaft coupling box laminating mutually.

As a further description of the above technical solution:

gimbal includes the universal joint, bearing swing joint is passed through with assembly seat one side to universal joint one side, and universal joint one side glue has the round pin axle, and the round pin off-axial wall cover is equipped with the initiative axis body, and fixedly connected with universal sleeve between the initiative axis body both ends, and universal sleeve one side inlays through rotating the axle sleeve and locates adjustment mechanism one side.

As a further description of the above technical solution:

axial assembly devices includes that the dress of two relative settings is supporting, and both sides assembly sleeve allotment concatenation back cross sectional shape is circular, the supporting inner chamber swing joint of dress has the limiting plate, and limiting plate cross sectional shape is triangle-shaped, and assembly sleeve one side swing joint is in one side assembly seat one side.

As a further description of the above technical solution:

the equal fixedly connected with of limiting plate top both sides articulates the piece, and articulates piece one side through the round pin axle has the fixed block, and fixed block bottom fixedly connected with slide bar, and slide bar lateral wall cover is equipped with the sliding sleeve, and the sliding sleeve inlays locates assembly cover inner chamber one side, and slide bar bottom fixedly connected with kicking block.

As a further description of the above technical solution:

the assembling set is characterized in that one side of the assembling set is fixedly connected with a tightening ring, the two sides of the tightening ring are fixedly connected with tightening screw rod seats corresponding to the positions, the inner cavity of each tightening screw rod seat is in threaded connection with a tightening screw rod main body with opposite thread directions, and the top end of each tightening screw rod main body is fixedly connected with a twisting handle.

As a further description of the above technical solution:

the sliding rod outer side wall is sleeved with a spring, one end of the spring is fixedly connected with one side of the sliding sleeve, the other end of the spring is fixedly connected with one side of the ejecting block in a corresponding position, and the cross sections of the sliding rod and the sliding sleeve are circular.

A use method of a self-locking coupling specifically comprises the following steps:

s1, assembling, namely, after the coupling sleeve at one side and the main shaft of the driving mechanism at one side are inserted and connected through the top inserting hole, the axial assembling mechanism at the other side is sleeved at one side of the connecting shaft body, after the connecting shaft body is inserted into the limiting plates at the corresponding positions at two sides, the limiting plates can be stressed and inserted into the connecting shaft body to carry out abutting displacement, the limiting plates after being stressed can drive the top fixing blocks to rotate around the pin shafts and push the top hinge blocks to move upwards, the hinge blocks can drive the sliding rods at one side to slide in the sliding sleeves after moving, after the connecting shaft body is fully attached, a handle at one side is screwed to drive the rotating shafts and the fastening screw rod main bodies at the corresponding positions to rotate, fastening screw rod seats outside the fastening screw rod main bodies are moved close to each other through screws at two opposite sides outside the fastening screw rod main bodies, the fastening screw rod seats are mutually close to drive the fastening rings at the corresponding positions and the assembling sleeves connected to mutually close to move, the connecting shaft body inserted into the connecting shaft body and the assembling seat at one side are fully attached, limited and fixed by the mutually close assembling pieces and the tight rings;

s2, fine adjustment of the angle, after the two opposite connecting shaft bodies and the driving mechanism main shaft are assembled, the threaded column can be driven to rotate by screwing the handle, the threaded column rotates in the bearing through the rotating shaft at the bottom, when the threaded column rotates in the threaded cap, the external adjusting seat can be driven to move downwards through the matching of the threaded cap and the threaded column, the threaded seat can move and slide outside the sliding seat and the sliding block at the corresponding positions through the internal through groove and the sliding groove, and then the adjusting seat can be driven to drive the universal mechanism at one side and the axial assembling mechanism at one side to move upwards to adjust the rotating offset angle by screwing the adjusting seat;

s3, fine adjustment of elastic strength, the first energy-absorbing plate and the second energy-absorbing plate which are attached to two sides can absorb one side of vibration frequently by utilizing the elastic strength, after the shock resistance required by the work of the two-side coupling is reduced, the limiting block at the corresponding position of one side is stirred, the limiting block can drive the second slide block at the corresponding position of one side to slide in the second chute inside the coupling box through the bottom fixing rod, the second energy-absorbing plate between the second slide blocks at two sides can be pushed to move after the second slide block is continuously moved, the second energy-absorbing plate can realize the change of the arc angle after being pulled by the driving rod at one side after being continuously moved, so that the second energy-absorbing plate can be separated from the first energy-absorbing plate, and the first energy-absorbing plate can be separated from the coupling box at one side and the change of the abutting energy-absorbing efficiency of the universal mechanism.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. in the invention, through the designed axial assembly mechanism, after the coupling sleeve and the main shaft of the side driving mechanism are inserted and connected through the top insertion hole, after the connecting shaft body is inserted into the limiting plates at the corresponding positions at two sides, the limiting plate can be stressed to be inserted into the connecting shaft body to be abutted and displaced, at the moment, the stressed limiting plate can drive the top fixing block to rotate around the pin shaft and push the top hinging block to move upwards by driving the top fixing block, the hinging block can drive one side sliding rod to slide in the sliding sleeve by moving, so that the connecting shaft body can be fully attached, limited and fixed, under the support of the elastic property of the limiting plate, the connection adaptive capacity of processing tolerance of the connecting shaft body is ensured, the working stability of the whole linkage shaft is improved, one side handle is twisted to drive the rotating shaft and the fastening screw rod main body at the corresponding position to rotate, and the fastening screw rod seats outside the fastening screw rod main body are mutually moved by the screws at the opposite sides outside the fastening screw rod main body, fastening lead screw seat is close to each other and can drives the inseparable ring that corresponds the position and the assembly cover of connecting and be close to each other and remove, and the assembly cover that is close to each other is supporting with insertingly encircle the connection axis body of putting into with one side assembly seat and laminate spacing fixed fully to can be through twisting the auto-lock assembly of fastening lead screw main part realization to with being connected the axis body, can show then and improve spacing portability and the stability of coupling assembly, be favorable to realizing the needs of swift maintenance.

2. In the invention, through the designed transverse adjusting mechanism, after the connecting shaft body and the driving mechanism main shaft at two sides are assembled oppositely, the handle can be screwed to drive the threaded column to rotate, the threaded column rotates in the bearing through the rotating shaft at the bottom, when the threaded column rotates in the threaded cap, the external adjusting seat can be driven to move downwards through the matching of the threaded cap and the threaded column, the threaded seat can slide outside the sliding seat and the sliding block at the corresponding positions through the internal through groove and the sliding groove, further can drive the universal mechanism at one side and the axial assembly mechanism at one side to move upwards to adjust the rotating offset angle by screwing the adjusting seat, therefore, the position of the adjusting seat can be adjusted to adjust the axial lead position of the axial assembling mechanism on one side, the use requirement of eccentric coupling assembly is met, the durable maintenance and adjustable capacity of the coupling are effectively improved, and the adjustment support of the multi-axis angle of integral assembly is met.

3. According to the invention, through the designed energy absorption mechanism, the first energy absorption plate and the second energy absorption plate which are attached to each other at two sides can absorb one-side frequency vibration by utilizing the strength in the bullet, after the shock resistance required by the work of the two-side coupling is reduced, the stopper at the corresponding position at one side is stirred, the stopper can drive the second slide block at the corresponding position at one side to slide in the second chute in the coupling box through the bottom fixing rod, the second energy absorption plate between the second slide blocks at two sides can be pushed to displace after the second slide block is continuously displaced, the second energy absorption plate can change the arc direction angle after being continuously moved by the pulling of the driving rod at one side, so that the second energy absorption plate can be separated from the first energy absorption plate, the abutting energy absorption efficiency of the first energy absorption plate, the coupling box at one side and the universal mechanism can be changed, and the universality of the adjustment of the coupling with different shaft distances can be realized by quickly adjusting the strength of the energy absorption frequency vibration, and the maintenance requirement is met.

4. According to the invention, through the designed universal mechanism, when the coupling sleeve moves one side of the adjusting seat to rotate through the coupling box, the adjusting seat can drive one side of the universal sleeve which is tightly matched to rotate through the rotating shaft sleeve, the universal sleeve can deflect through the rotating shaft sleeve when the torque of the rotating shaft sleeve is continuously increased, the adaptation of an off-axis angle is realized, the universal sleeve rotates to drive one side of the pin shaft which is hinged to rotate, the pin shaft rotates to drive one side of the universal joint to drive the other side assembling seat and the rear side axial assembling mechanism to rotate, so that the off-axis adaptation of coupling equipment on two sides can be realized through the universal mechanism, the adaptation of a connecting assembly is effectively improved, the adaptation capability of a multi-axis guiding angle is improved while machining errors are met.

Drawings

Fig. 1 is a schematic perspective view of a self-locking coupling according to the present invention;

fig. 2 is a schematic view of a disassembled structure of a self-locking coupling provided by the invention;

FIG. 3 is a schematic perspective view of a universal mechanism of a self-locking coupling according to the present invention;

FIG. 4 is a schematic perspective view of an energy absorbing mechanism of a self-locking coupling according to the present invention;

fig. 5 is a schematic perspective view of a part of an axial assembly mechanism of a self-locking coupling according to the present invention;

fig. 6 is a schematic perspective view of a lateral adjustment mechanism of a self-locking coupling according to the present invention;

fig. 7 is a schematic structural view of a front cross section of a self-locking coupling according to the present invention;

fig. 8 is an enlarged schematic structural view of a portion a of a self-locking coupling according to the present invention;

fig. 9 is an enlarged schematic structural view of a portion B of a self-locking coupling according to the present invention;

fig. 10 is an enlarged schematic structural view of a portion C of a self-locking coupling according to the present invention;

fig. 11 is a schematic three-dimensional structure view of a limiting plate of the self-locking coupling according to the present invention.

Illustration of the drawings:

1. a coupling box; 2. a universal mechanism; 201. a universal joint; 202. a pin shaft; 203. a universal sleeve; 204. rotating the shaft sleeve; 205. an active shaft body; 3. assembling a seat; 4. a lateral adjustment mechanism; 401. an adjusting seat; 402. a threaded post; 403. a threaded cap; 404. a slide base; 405. a connecting rod; 406. a first slider; 407. a sealing seat; 408. an insertion block; 409. attaching a pad; 5. an axial assembly mechanism; 501. assembling; 502. a limiting plate; 503. a slide bar; 504. fastening the lead screw main body; 505. fastening a screw rod seat; 506. a tight ring; 507. a hinged block; 508. a fixed block; 6. an energy absorbing mechanism; 601. a first energy absorbing plate; 602. a second energy absorbing panel; 603. a drive rod; 604. an elastic plate; 605. fixing the rod; 606. a limiting block; 607. a spring; 608. a second slider; 7. a coupling sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-11, the present invention provides a technical solution: a self-locking coupler comprises a coupling box 1, wherein one side of the coupling box 1 is fixedly connected with a coupling sleeve 7 connected with an external driving mechanism, an inner cavity of the coupling box 1 is provided with an energy absorbing mechanism 6, one side of the energy absorbing mechanism 6 is movably connected with a transverse adjusting mechanism 4 capable of transversely adjusting, one side of the transverse adjusting mechanism 4 is connected with an assembling seat 3 through a universal mechanism 2 capable of multi-axis adjusting, the inner cavity of the assembling seat 3 is movably connected with a fast-assembling type axial assembling mechanism 5, the energy absorbing mechanism 6 comprises a plurality of first energy absorbing plates 601 and second energy absorbing plates 602 which are oppositely arranged, the first energy absorbing plates 601 are fixedly connected in the coupling box 1 at corresponding positions, one sides of the first energy absorbing plates 601 and the second energy absorbing plates 602 are respectively embedded with a driving sleeve, the inner surface of the driving sleeves is sleeved with a driving rod 603, one sides of two ends of the driving rod 603 are respectively fixedly connected with an elastic plate 604, and the cross section of the elastic plate 604 is arc-shaped, and both sides of the elastic plate 604 are jointed with the first energy-absorbing plate 601 or the second energy-absorbing plate 602 at the corresponding positions of both sides of the tail end, the corresponding positions of both sides of the second energy-absorbing plate 602 are fixedly connected with second sliding blocks 608, the second sliding blocks 608 are slidably connected in second sliding grooves formed in the inner cavity of the coupling box 1, a fixed rod 605 is fixedly connected between the two connected second sliding blocks 608, one end of one second sliding block 608 is fixedly connected with a spring 607, the other end of the spring 607 is fixedly connected with the corresponding position of one side of the inner cavity of the second sliding groove, the top end of the fixed rod 605 passes through an opening formed at the top of the coupling box 1 through a connecting block and is fixedly connected with a limit block 606, the limit block 606 is slidably connected to the outside of the coupling box 1, both sides of the bottom of the limit block 606 are respectively provided with limit grooves, lugs are clamped in the limit grooves, the lugs are fixedly connected to the outside of the coupling box 1, and the cross sections of the limit grooves and the lugs are arc-shaped, the cross-sectional shapes of the first energy-absorbing plate 601 and the second energy-absorbing plate 602 are both arc-shaped, the first energy-absorbing plate 601 and the second energy-absorbing plate 602 are both elastic energy-absorbing steel plates, and the elastic plate 604 and the first energy-absorbing plate 601 and the second energy-absorbing plate 602 are made of the same material.

The implementation mode is specifically as follows: the arc-shaped elastic plate 604 can ensure the absorption of impact through the abutting of the elastic force of the arc-shaped elastic plate to the first energy absorption plate 601 and the second energy absorption plate 602, the movement of the limiting block 606 through the limiting grooves on the two sides of the bottom can ensure the adjustment and adaptation of the lug, the rapid adjustment and adaptation of the energy absorption angle of the second energy absorption plate 602 can be met, the spring 607 can ensure the absorption and support of the second slider 608 through the elastic force of the spring, the reset absorption of the adjusted second energy absorption plate 602 can be ensured, the abutting pad 409 can realize the abutting absorption of water vapor through the attaching of the coupling box 1, and the adjustment of the adaptive sealing capacity through the movement adjustment of the inserting block 408 when the adjusting seat 401 on one side moves through the sealing seat 407.

The transverse adjusting mechanism 4 comprises an adjusting seat 401, a through groove is formed in one side of the adjusting seat 401, two sliding seats 404 are connected in the through groove in a sliding manner, a connecting rod 405 is fixedly connected to one side of each sliding seat 404, the other end of the connecting rod 405 penetrates through the coupling box 1 to be fixedly connected with the corresponding position energy absorption mechanism 6, a bearing is embedded in the top of the top sliding seat 404 and is provided with a rotating shaft in a sleeved manner, a threaded column 402 is fixedly connected to the top end of the rotating shaft, a threaded cap 403 is connected to the outer side wall of the threaded column 402 in a threaded manner, the threaded cap 403 is embedded in the top of the inner cavity of the adjusting seat 401, a handle is fixedly connected to the top end of the threaded column 402, first sliding blocks 406 are fixedly connected to two sides of the sliding seats 404, the first sliding blocks 406 are connected in sliding grooves formed in corresponding positions on two sides of the inner cavity of the through groove in a sliding manner, a sealing seat 407 is fixedly connected to one side of the adjusting seat 401, and an inserting block 408 is connected in the sealing seat 407 in a sliding manner, and insert piece 408 one side fixedly connected with laminating pad 409, and laminating pad 409 and one side shaft coupling box 1 laminating mutually, universal mechanism 2 includes universal joint 201, bearing swing joint is passed through with assembly seat 3 one side in universal joint 201 one side, and universal joint 201 one side glue has round pin axle 202, and the lateral wall cover of round pin axle 202 is equipped with initiative axis body 205, and fixedly connected with universal sleeve 203 between the initiative axis body 205 both ends, and universal sleeve 203 one side inlays through rotating shaft sleeve 204 and locates adjustment mechanism one side.

The implementation mode is specifically as follows: the slide of slide 404 in logical inslot is more stable, can avoid connecting rod 405 to take place to deflect and rock, and connecting rod 405 can guarantee to the elasticity control adjustment of first energy absorption plate 601 to slide 404 moves the angle fine setting control that can guarantee to adjust seat 401 through twisting of screw post 402.

The axial assembly mechanism 5 comprises two assembly sets 501 which are oppositely arranged, the cross section shape of the assembly sets 501 at two sides is circular after the assembly sets 501 are assembled and spliced, the inner cavity of the assembly set 501 is movably connected with a limiting plate 502, the cross section shape of the limiting plate 502 is triangular, one side of the assembly set 501 is movably connected with one side of an assembly seat 3, two sides of the top of the limiting plate 502 are fixedly connected with a hinged block 507, one side of the hinged block 507 is hinged with a fixed block 508 through a pin shaft 202, the bottom of the fixed block 508 is fixedly connected with a sliding rod 503, the outer side wall of the sliding rod 503 is sleeved with a sliding sleeve, the sliding sleeve is embedded in one side of the inner cavity of the assembly set 501, the bottom of the sliding rod 503 is fixedly connected with a top block, one side of the assembly set 501 is fixedly connected with a tight ring 506, two sides of the tight ring 506 are fixedly connected with fastening screw rod seats 505 respectively, and the inner cavities of the fastening screw rod seats 505 are in threaded connection with fastening screw rod main bodies 504 with opposite thread directions, and the top end of the fastening screw rod main body 504 is fixedly connected with a twisting handle, the outer side wall of the sliding rod 503 is sleeved with a spring 607, one end of the spring 607 is fixedly connected with one side of the sliding sleeve, the other end of the spring 607 is fixedly connected with the corresponding position on one side of the ejecting block, and the cross sections of the sliding rod 503 and the sliding sleeve are circular.

The implementation mode is specifically as follows: the limiting plate 502 on the inclined plane can ensure the stability of the assembly and fixation of the connecting shaft body, and the fixed block 508 can ensure the deflection of the butting position through the hinge of the pin shaft 202, thereby being beneficial to realizing the deflection fixed support of the assembly.

The working principle is as follows: when the fastening screw rod main body 504 is used, S1 and assembly are carried out, after the coupling sleeve 7 at one side and the main shaft of the driving mechanism at one side are inserted and connected through the top inserting hole, the axial assembly mechanism 5 at the other side is sleeved at one side of the connecting shaft body, after the connecting shaft body is inserted into the position limiting plates 502 corresponding to two sides, the limiting plates 502 can be stressed and inserted into the connecting shaft body to carry out abutting displacement, the stressed limiting plates 502 can drive the top fixing blocks 508 to rotate around the pin shafts 202 and push the top hinge blocks 507 to move upwards, the hinge blocks 507 can drive the sliding rods 503 at one side to slide in the sliding sleeves, after the connecting shaft body is fully attached, a handle at one side is screwed to drive the rotating shaft and the fastening screw rod main body 504 at the corresponding position to rotate, the fastening screw rod seats 505 outside the fastening screw rod main body 504 mutually approach and move through screws opposite to each other on two sides outside the fastening screw rod main body 504, the fastening screw rod seats 505 mutually approach and can drive the fastening rings 506 at the corresponding positions and the assembly sleeves 501 connected with each other The assembling sleeve 501 and the tight ring 506 which are close to each other enable the connecting shaft body inserted into the assembling sleeve to be fully attached, limited and fixed with the assembling seat 3 on one side;

s2, fine adjustment of the angle, after the shaft body and the driving mechanism main shaft which are oppositely connected on two sides are assembled, the threaded column 402 can be driven to rotate by screwing the handle, the threaded column 402 rotates in the bearing through the rotating shaft at the bottom, when the threaded column 402 rotates in the threaded cap 403, the external adjusting seat 401 can be driven to move downwards through the matching of the threaded cap 403 and the threaded column 402, the threaded seat can move and slide outside the sliding seat 404 and the sliding block at the corresponding position through the internal through groove and the sliding groove, and further the adjusting seat 401 can be driven to drive the universal mechanism 2 at one side and the axial assembling mechanism 5 at one side to move upwards to adjust the rotation offset angle by screwing the adjusting seat 401;

s3, fine adjustment of elastic strength, the first energy absorption plate 601 and the second energy absorption plate 602 which are attached to each other at two sides can absorb one side of frequency vibration by utilizing the elastic strength, after the shock resistance required by the operation of the two-side coupling is reduced, the limiting block 606 at the corresponding position at one side is stirred, the limiting block 606 can drive the second slide block 608 at the corresponding position at one side to slide in the second chute in the coupling box 1 through the bottom fixing rod 605, the second energy absorption plate 602 between the second slide blocks 608 at two sides can be pushed to displace after the second slide block 608 is continuously displaced, the second energy absorption plate 602 can realize the change of the arc-direction angle after being continuously moved through the pulling of the driving rod 603 at one side, so that the second energy absorption plate 602 can be separated from the first energy absorption plate 601, and the energy absorption efficiency of the first energy absorption plate 601, which is abutted to the coupling box 1 at one side and the universal mechanism 2, can be changed.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a self-locking coupler, includes coupling box (1), its characterized in that, coupling box (1) one side fixedly connected with and the coupling sleeve (7) that outside actuating mechanism is connected, and coupling box (1) inner chamber is equipped with energy-absorbing mechanism (6), and energy-absorbing mechanism (6) one side swing joint has horizontal adjustment mechanism (4) of horizontal regulation, but horizontal adjustment mechanism (4) one side is connected with assembly seat (3) through universal mechanism (2) that can the multiaxis was adjusted, and assembly seat (3) inner chamber swing joint has ready-package axial assembly devices (5).

2. The self-locking coupling of claim 1, wherein the energy absorbing mechanism (6) comprises a plurality of first energy absorbing plates (601) and second energy absorbing plates (602) which are arranged oppositely, the first energy absorbing plates (601) are fixedly connected in the coupling box (1) at corresponding positions, a driving sleeve is embedded in one side of each of the first energy absorbing plates (601) and the second energy absorbing plates (602), a driving rod (603) is sleeved on the inner surface of the driving sleeve, elastic plates (604) are fixedly connected to one side of each of two ends of the driving rod (603), the cross section of each elastic plate (604) is arc-shaped, two sides of each elastic plate (604) are attached to the first energy absorbing plates (601) or the second energy absorbing plates (602) at corresponding positions of two ends of the elastic plate, second sliding blocks (608) are fixedly connected to corresponding positions of two sides of the second energy absorbing plates (602), the second sliding blocks (608) are slidably connected in second sliding grooves formed in the inner cavity of the coupling box (1), and fixedly connected with dead lever (605) between the both sides second slider (608) that link to each other, and one side second slider (608) one end fixedly connected with spring (607), and the spring (607) other end corresponds position fixed connection with second spout inner chamber one side, the opening and the fixedly connected with stopper (606) that set up at coupling box (1) top are passed through the connecting block in dead lever (605) top, and stopper (606) sliding connection is outside at coupling box (1), and stopper (606) bottom both sides have all been seted up the spacing groove, and the spacing inslot joint has the lug, and lug fixed connection is outside at coupling box (1), and the shape of cross section of spacing groove and lug is the arc.

3. The self-locking coupling of claim 2, wherein the cross-sectional shapes of the first energy-absorbing plate (601) and the second energy-absorbing plate (602) are both arc-shaped, the first energy-absorbing plate (601) and the second energy-absorbing plate (602) are both elastic energy-absorbing steel plates, and the elastic plate (604) and the first energy-absorbing plate (601) and the second energy-absorbing plate (602) are made of the same material.

4. The self-locking coupler according to claim 1, wherein the lateral adjusting mechanism (4) comprises an adjusting seat (401), a through groove is formed in one side of the adjusting seat (401), two sliding seats (404) are slidably connected in the through groove, a connecting rod (405) is fixedly connected to one side of each sliding seat (404), the other end of each connecting rod (405) penetrates through the coupling box (1) and is fixedly connected with the corresponding position energy absorbing mechanism (6), a bearing is embedded in the top of each top sliding seat (404), a rotating shaft is sleeved in each bearing, a threaded column (402) is fixedly connected to the top end of each rotating shaft, a threaded cap (403) is connected to the outer side wall of each threaded column (402) in a threaded mode, each threaded cap (403) is embedded in the top of the inner cavity of the adjusting seat (401), a handle is fixedly connected to the top end of each threaded column (402), first sliding blocks (406) are fixedly connected to two sides of each sliding seat (404), and first slider (406) sliding connection is in the spout that logical groove inner chamber both sides correspond the position and set up, adjust seat (401) one side fixedly connected with seal receptacle (407), sliding connection has in seal receptacle (407) and inserts piece (408), and inserts piece (408) one side fixedly connected with laminating pad (409), and laminating pad (409) and one side shaft coupling box (1) laminating mutually.

5. The self-locking coupling according to claim 1, wherein the universal mechanism (2) comprises a universal joint (201), one side of the universal joint (201) is movably connected with one side of the assembling seat (3) through a bearing, a pin shaft (202) is glued on one side of the universal joint (201), an active shaft body (205) is sleeved on the outer side wall of the pin shaft (202), a universal sleeve (203) is fixedly connected between two ends of the active shaft body (205), and one side of the universal sleeve (203) is embedded on one side of the adjusting mechanism through a rotating shaft sleeve (204).

6. The self-locking coupler according to claim 1, wherein the axial assembly mechanism (5) comprises two assembly sets (501) which are oppositely arranged, the cross section of each assembly set (501) at two sides is circular after being assembled and spliced, a limiting plate (502) is movably connected to the inner cavity of each assembly set (501), the cross section of each limiting plate (502) is triangular, and one side of each assembly set (501) is movably connected to one side of each assembly seat (3).

7. The self-locking coupling according to claim 6, wherein the two sides of the top of the limiting plate (502) are fixedly connected with a hinge block (507), one side of the hinge block (507) is hinged with a fixed block (508) through a pin shaft (202), the bottom of the fixed block (508) is fixedly connected with a sliding rod (503), the outer side wall of the sliding rod (503) is sleeved with a sliding sleeve, the sliding sleeve is embedded in one side of the inner cavity of the assembling sleeve (501), and the bottom of the sliding rod (503) is fixedly connected with a top block.

8. The self-locking coupling according to claim 6, wherein a tightening ring (506) is fixedly connected to one side of the assembling sleeve (501), a fastening screw rod seat (505) is fixedly connected to corresponding positions on both sides of the tightening ring (506), a fastening screw rod body (504) with opposite thread directions is connected to an inner cavity thread of the fastening screw rod seat (505), and a screwing handle is fixedly connected to the top end of the fastening screw rod body (504).

9. The self-locking coupling of claim 7, wherein the outer sidewall of the sliding rod (503) is sleeved with a spring (607), one end of the spring (607) is fixedly connected with one side of the sliding sleeve, the other end of the spring (607) is fixedly connected with a corresponding position on one side of the top block, and the cross-sectional shapes of the sliding rod (503) and the sliding sleeve are both circular.

10. The self-locking coupling according to any one of claims 1 to 9, further comprising a method for using the self-locking coupling, specifically comprising the steps of:

s1, assembling, namely, after the coupling sleeve (7) at one side and the main shaft of the driving mechanism at one side are inserted and connected through a top inserting hole, the axial assembling mechanism (5) at the other side is sleeved at one side of the connecting shaft body, after the connecting shaft body is inserted into the limiting plates (502) at the corresponding positions at two sides, the limiting plates (502) can be stressed and inserted into the connecting shaft body to be abutted and displaced, at the moment, the limiting plates (502) after being stressed can drive the top fixing blocks (508) to rotate around the pin shafts (202) and push the top hinging blocks (507) to move upwards, the hinging blocks (507) can drive the sliding rods (503) at one side to slide in the sliding sleeve, after the connecting shaft body is fully attached, a handle at one side can be screwed to drive the rotating shaft and the fastening screw rod main body (504) at the corresponding position to rotate, and the fastening screw rod seats (505) at the outer part of the fastening screw rod main body (504) can mutually approach and move through screws at two opposite sides of the outer part of the fastening screw rod main body (504), the fastening screw rod seats (505) are close to each other to drive the corresponding fastening rings (506) and the assembling sleeves (501) connected with the fastening rings to move close to each other, and the assembling sleeves (501) and the fastening rings (506) which are close to each other sufficiently fit, limit and fix the connecting shaft body inserted into the fastening screw rod seats and the assembling seats (3) on one side;

s2, fine angle adjustment, after the two opposite connecting shaft bodies and the driving mechanism main shaft are assembled, the threaded column (402) can be driven to rotate by screwing the handle, the threaded column (402) rotates in the bearing through the rotating shaft at the bottom, when the threaded column (402) rotates in the threaded cap (403), the external adjusting seat (401) can be driven to move downwards through the matching of the threaded cap (403) and the threaded column (402), the threaded seat can move and slide outside the sliding seat (404) and the sliding block at the corresponding positions through the internal through groove and the sliding groove, and then the one-side universal mechanism (2) and the one-side axial assembling mechanism (5) can be driven to move upwards to adjust the rotation offset angle by screwing the adjusting seat (401);

s3, fine adjustment of elastic strength, the first energy-absorbing plate (601) and the second energy-absorbing plate (602) which are jointed at two sides can realize the absorption of one side frequency vibration by utilizing the elastic strength, after the shock resistance required by the work of the two side couplings is reduced, the limiting block (606) at the corresponding position at one side is pulled, the limiting block (606) can drive the second sliding block (608) at the corresponding position at one side to slide in the second sliding groove in the coupling box (1) through the bottom fixing rod (605), after the second sliding block (608) is continuously displaced, the second energy-absorbing plate (602) between the second sliding blocks (608) at two sides can be pushed to displace, after the second energy-absorbing plate (602) is continuously displaced, the arc-direction angle can be changed by pulling the driving rod (603) at one side, thereby enabling the second energy absorbing plate (602) to be separated from the first energy absorbing plate (601), the abutting energy absorption efficiency of the first energy absorption plate (601) and the one-side coupling box (1) and the universal mechanism (2) is changed.