CN216720418U - Connecting joint - Google Patents

Abstract

The utility model relates to a connection joint, comprising: a first joint having a boss; the second joint is sleeved outside the first joint, one end of the second joint is movably provided with a rotating body, the rotating body is provided with a plurality of grooves corresponding to the bosses, and the grooves and the bosses are matched to limit the rotating body to rotate; when the first joint is moved axially, the first joint drives the rotating body to rotate, so that the boss enters the groove, and the first joint and the second joint are locked. Because the second connects movable mounting to have the rotator, when first joint was to second joint axial displacement, the drive rotator was rotatory, and at the in-process of axial displacement first joint, the boss got into the recess, realized the locking that connects through recess restriction boss, consequently, only need axial displacement first joint just can realize the locking that connects, has simplified the use step.

Description

Connecting joint

Technical Field

The utility model relates to the field of cable connectors, in particular to a connecting connector.

Background

With the development of power systems, cables are laid in more and more places, and in order to connect all the cables to form a loop, a cable joint is needed to combine the cables to be connected.

In the related art, in order to achieve the connection precision and strength of the connector, various structures are used to ensure that the joints are tightly connected, for example, a clamping groove provided with a ball is arranged at the joint of the joints, so as to achieve the purpose of cable connection.

However, the precision requirement of the joint on parts is high, and meanwhile, when the joint is separated, the ball at the joint of the joint needs to be moved out, so that the joint is complex to install and disassemble.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a connecting joint, which aims to solve the technical problems that in the related art, the precision requirement on parts is high, and meanwhile, when the parts are separated, balls at the joint of the joint need to be moved out, so that the assembly and disassembly are complicated.

In a first aspect, there is provided a connection fitting comprising: a first joint having a boss; the second joint is sleeved outside the first joint, one end of the second joint is movably provided with a rotating body, the rotating body is provided with a plurality of grooves corresponding to the bosses, and the grooves and the bosses are matched to limit the rotating body to rotate; when the first joint is moved axially, the first joint drives the rotating body to rotate, so that the boss enters the groove, and the first joint and the second joint are locked.

In some embodiments, a first cam body is arranged at one end of the rotating body close to the outer side, a second cam body is arranged at the other end of the rotating body, the first cam body is provided with a guide groove communicated with the outside, and the boss enters the rotating body through the guide groove; the end faces of the first cam body and the second cam body, which are opposite to each other, are provided with a plurality of cam faces, a groove is formed between two adjacent cam faces on the first cam body or the second cam body, and the cam faces are obliquely arranged relative to the axial direction of the second joint.

In some embodiments, the direction of inclination of the cam surfaces of the first cam body is substantially the same, the direction of inclination of the cam surfaces of the second cam body is substantially the same, and the direction of inclination of the cam surfaces of the first cam body is substantially perpendicular to the direction of inclination of the cam surfaces of the second cam body.

In some embodiments, the groove of the first cam body is provided in correspondence with the cam surface of the second cam body in the axial direction, and the groove of the second cam body is provided in correspondence with the cam surface of the first cam body in the axial direction.

In some embodiments, the first cam body is circumferentially provided with a plurality of grooves at intervals; the guide groove is communicated with part of the groove of the first cam body; when the first joint and the second joint are locked, the boss enters the groove on the first cam body, which is not communicated with the guide groove.

In some embodiments, the outermost end of the boss is provided with a first inclined surface that matches the cam surface of the second cam body, and the other end of the boss is provided with a second inclined surface that matches the cam surface of the first cam body.

In some embodiments, one end of the rotating body is provided with a bearing for connecting the rotating body and the second joint.

In some embodiments, the rotator has an outer sheath, and the first and second cam bodies are both fixed to an interior of the outer sheath.

In some embodiments, the second joint is provided with an elastomer for moving the first joint in a direction axially away from the second joint;

one end of the elastic body is fixed on the second joint, and the other end of the elastic body is abutted against the first joint.

In some embodiments, the opening of the channel on the side adjacent to the first connector has a dimension greater than the cross-sectional dimension of the boss.

The technical scheme provided by the utility model has the beneficial effects that:

the embodiment of the utility model provides a connecting joint, wherein a rotating body is movably arranged on a second joint, when the first joint moves axially relative to the second joint, the first joint can drive the rotating body to rotate around the first joint, the first joint and the rotating body are staggered by a certain angle, the operation of manually rotating the joint is reduced, the first joint is prevented from directly moving out of the rotating body in the axial moving process, meanwhile, the first joint is provided with a boss, the second joint is provided with a groove, the boss enters the groove in the rotating process of the rotating body, the relative movement of the first joint and the second joint is limited through the groove, and the first joint and the second joint are locked, so that the first joint and the second joint can be connected and disassembled only by axially moving the first joint, and the using steps of the connecting joint are simplified.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a boss of a connection joint entering a guide groove according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a boss of a connection joint cooperating with a second cam body according to an embodiment of the present invention;

FIG. 3 is a schematic structural view illustrating a boss of a connection joint entering a groove of a first cam body according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a connection joint according to an embodiment of the present invention before a boss is separated from a rotator;

fig. 5 is a schematic structural diagram of two connectors of a connection connector according to an embodiment of the present invention.

In the figure:

1. a first joint; 2. a boss; 3. a second joint; 4. a rotating body; 5. a first cam body; 6. a second cam body; 7. an activity space; 8. a guide groove; 9. a cam surface; 10. a groove; 11. A first inclined plane; 12. a second inclined plane; 13. a bearing; 14. an outer sheath.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

The embodiment of the utility model provides a connecting joint, which can solve the problems that the precision requirement of the joint on parts is high, and meanwhile, when the parts are separated, balls at the joint of the joint need to be moved out, so that the assembly and disassembly are complicated.

Referring to fig. 1 to 4, there is provided a coupling joint according to the present invention, which includes: a first joint 1, the first joint 1 having a boss 2; the second joint 3 is sleeved outside the first joint 1, one end of the second joint 3 is movably provided with a rotating body 4, the rotating body 4 is provided with a plurality of grooves 10 corresponding to the bosses 2, and the grooves 10 are matched with the bosses 2 to limit the rotating body 4 to rotate; when the first joint 1 is moved axially, the first joint 1 drives the rotating body 4 to rotate, so that the boss 2 enters the groove 10, the first joint 1 and the second joint 3 are locked, namely, the rotating body 4 can rotate relative to the first joint 1 by moving the first joint 1 axially, when the connector is used, the boss 2 of the first joint 1 is firstly led into the rotating body 4 of the second joint 3, the first joint 1 is axially close to the second joint 3, the boss 2 falls into the groove 10 far away from the first joint 1 by utilizing the rotating characteristic of the rotating body 4, the boss 2 is staggered with the guide groove 8 when the boss 2 enters, the first joint 1 is axially far away from the second joint 3, the boss 2 is led into the groove 10 close to the first joint 1 under the action of the rotating body 4, the first joint and the second joint have the tendency of being far away from each other under the action of gravity or an elastic body of the second joint, the rotation and the axial distance of the first joint and the second joint are limited by the groove 10, the connection of the first joint 1 and the second joint 3 is realized, and compared with other connection modes, the first joint only needs to be moved axially in the operation process, so that the connection steps are simplified.

Referring to fig. 1 to 4, in some alternative embodiments, one end of the rotating body 4 near the outer side may be provided with a first cam body 5, the other end of the rotating body 4 may be provided with a second cam body 6, the first cam body 5 is provided with a guide groove 8 communicating with the outside, and the boss 2 enters the rotating body 4 through the guide groove 8; the opposite end surfaces of the first cam body 5 and the second cam body 6 are provided with a plurality of cam surfaces 9, a groove 10 is formed between two adjacent cam surfaces 9 on the first cam body 5 or the second cam body 6, the cam surfaces 9 are obliquely arranged relative to the axial direction of the second joint 3, namely, the first cam body 5 and the second cam body 6 are arranged at two ends of the rotator 4, a movable space 7 is formed between the first cam body 5 and the second cam body 6, wherein the cam surfaces 9, a guide groove 8 and the groove 10 are all positioned in the movable space 7, the boss 2 enters the movable space 7 through the guide groove 8, the boss 2 is axially contacted with the obliquely arranged cam surfaces 9, the cam surfaces 9 are guided into the groove 10, the rotator 4 rotates relative to the boss 2, the relative rotation of the boss 2 in the movable space 7 is limited by the groove 10 formed by the height difference of the adjacent cam surfaces 9, the cam surfaces 9 are spaced apart from each other but have an approximately saw-tooth shape, and in other embodiments, the cam surfaces 9 may have other shapes such as an arc shape and an inclined arrangement.

Referring to fig. 1 to 4, in some alternative embodiments, the inclination directions of the cam surfaces 9 of the first cam bodies 5 may be substantially the same, the inclination directions of the cam surfaces 9 of the second cam bodies 6 may be substantially the same, and the inclination direction of the cam surface 9 of the first cam body 5 may be substantially perpendicular to the inclination direction of the cam surface 9 of the second cam body 6, that is, the inclination tendency of the cam surface 9 on each cam body is the same, from low to high or from high to low, so that the rotation direction of the rotary body 4 is the same each time the first joint 1 is axially close to the first cam body 5, and similarly, the rotation direction of the rotary body is the same each time the first joint 1 is close to the second cam body 6, and the inclination tendency of the cam surfaces 9 on the left and right cam bodies is opposite, since the first cam bodies 5 and the second cam bodies 6 are disposed at both ends of the rotary body 4, the axial moving direction of the first joint 1 is opposite when the bosses 2 are close to the two cam bodies, the perpendicular orientation of the two cam bodies ensures that the rotary body 4 rotates in one direction each time the first joint 1 is moved axially.

Referring to fig. 1-4, in some alternative embodiments, the groove 10 of the first cam body 5 and the cam surface 9 of the second cam body 6 may be arranged in an axial direction, and the groove 10 of the second cam body 6 and the cam surface 9 of the first cam body 5 may be arranged in an axial direction, that is, each time the boss 2 enters the groove 10, the boss 2 contacts the cam surface 9 instead of the groove 10 by moving the first connector 1 axially away from the groove 10, so that the rotary body 4 performs the next rotation.

Referring to fig. 1-4, in some alternative embodiments, the first cam body 5 may have a plurality of grooves 10 arranged at intervals along the circumference; the guide groove 8 may communicate with a part of the groove 10 of the first cam body 5; when the first connector 1 is locked with the second connector 3, the boss 2 can enter the groove 10 of the first cam body 5 which is not communicated with the guide groove 8, that is, each guide groove 8 is communicated with the groove 10 of the first cam body 5, and part of the grooves 10 of the first cam body 5 are in a closed state and are not communicated with the outside, in the embodiment, a groove 10 which is not communicated with the outside is arranged between each two adjacent guide grooves 8, so that the boss 2 is prevented from directly moving out of the movable space 7 from the adjacent guide groove 8 just when entering the movable space 7 from the first guide groove 8, in other embodiments, only one guide groove 8 or the adjacent guide groove 8 is arranged, when the boss 2 enters the groove 10 which is not communicated with the guide groove 8, the boss 2 can not move out of the rotating body 4, and simultaneously, due to gravity or the existence of an elastic body, the first connector 1 and the second connector 3 are far away from each other, and locking of the two joints is realized.

Referring to fig. 5, in some alternative embodiments, the outermost end of the boss 2 may be provided with a first inclined surface 11, the first inclined surface 11 matches with the cam surface 9 of the second cam body 6, the other end of the boss 2 is provided with a second inclined surface 12, and the second inclined surface 12 matches with the cam surface 9 of the first cam body 5, that is, by the first inclined surface 11 of the boss 2 matching with the second cam body 6 and the second inclined surface 12 of the boss 2 matching with the first cam body 5, the contact area between the boss 2 and the cam surface 9 of the rotator 4 is increased, and the rotation of the rotator 4 is better achieved.

Referring to fig. 1-4, in some alternative embodiments, one end of the rotating body 4 may be provided with a bearing 13, and the bearing 13 is used to connect the rotating body 4 and the second joint 3, in this embodiment, the bearing 13 is mounted on the second joint 3 through a spring, and the axial movement of the rotating body 4 on the second joint 3 may be achieved through the spring, in other embodiments, the bearing may also be directly fixed on the second joint 3, and the rotating body 4 and the second joint 3 are connected through the bearing 13, so that the friction between the rotating body 4 and the second joint 3 is reduced, and the rotating body 4 is facilitated to rotate on the second joint 3.

Referring to fig. 5, in some alternative embodiments, the rotating body 4 may have an outer sheath 14, and the first cam body 5 and the second cam body 6 are both fixed inside the outer sheath 14, that is, the first cam body 5 and the second cam body 6 are fixed by the outer sheath 14, and foreign objects are prevented from entering the moving space 7, so as to improve the service life of the rotating body 4.

Referring to fig. 1-5, in some alternative embodiments, the second joint 3 may be provided with an elastomer for moving the first joint 1 in a direction axially away from the second joint 3; the one end of elastomer is fixed in the second and connects 3, and the other end of elastomer is inconsistent with first joint 1, that is to say, when first joint 1 is close to second joint 3 to certain extent, the elastomer can compress, produces elasticity and pushes away first joint 1 to keeping away from the second and connect the direction, owing to have the recess 10 that prevents boss 2 and shift out rotator 4, makes 2 chucking of boss in recess 10, has improved the stability of connecting.

Referring to fig. 1-4, in some alternative embodiments, the size of the opening of the guiding groove 8 near the first connector 1 may be larger than the cross-sectional size of the boss 2, and in this embodiment, a funnel-shaped opening is formed at the outer end of the guiding groove 8 to guide the boss 2, so as to further facilitate the boss 2 of the first connector 1 to enter the movable space 7.

The principle of the connecting joint provided by the embodiment of the utility model is as follows:

because the rotating body 4 movably arranged at one end of the second joint 3 is arranged, when the first joint 1 moves along the axial direction, the rotating body 4 is driven to rotate by the contact between the boss 2 and the inner part of the rotating body 4, so that the boss 2 is prevented from coming out from the inlet of the rotating body 4 when the first joint 1 is far away from the second joint 3 along the axial direction, after the first joint 1 is close to the second joint 3 along the axial direction for a certain distance, the boss 2 enters the groove 10, the rotating body 4 does not rotate any more, at the moment, the first joint 1 is far away from the second joint 3 along the axial direction, the rotating body 4 rotates around the first joint 1 again, finally, the boss 2 enters the groove 10 at one side of the rotating body 4 close to the first joint 1, under the action of gravity or an elastic body between the two joints, the first joint 1 and the second joint 3 are in a far away trend, so that the boss 2 can not automatically separate from the groove 10 at one side close to the first joint 1, and connection of the connecting joint is realized, because only the first joint needs to be moved axially in the connecting process, the mounting step is shortened, the first joint also only needs to be moved axially in the dismounting process, and the boss 2 is moved out of the guide groove 8 after the rotating body 4 rotates to a certain position, so that the mounting and dismounting steps can be simplified.

In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

It is to be noted that, in the present invention, relational terms such as "first" and "second", and the like, are 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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above description is merely illustrative of particular embodiments of the utility model that enable those skilled in the art to understand or practice the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A connector fitting, comprising:

a first joint (1), the first joint (1) having a boss (2);

the second joint (3) is sleeved outside the first joint (1), one end of the second joint (3) is movably provided with a rotating body (4), the rotating body (4) is provided with a plurality of grooves (10) corresponding to the bosses (2), and the grooves (10) are matched with the bosses (2) to limit the rotation of the rotating body (4);

when the first joint (1) is moved axially, the first joint (1) drives the rotating body (4) to rotate, so that the boss (2) enters the groove (10), and the first joint (1) and the second joint (3) are locked.

2. The connection joint of claim 1, wherein:

a first cam body (5) is arranged at one end, close to the outer side, of the rotating body (4), a second cam body (6) is arranged at the other end of the rotating body (4), a guide groove (8) communicated with the outside is formed in the first cam body (5), and the boss (2) enters the rotating body (4) through the guide groove (8);

the opposite end surfaces of the first cam body (5) and the second cam body (6) are respectively provided with a plurality of cam surfaces (9), a groove (10) is formed between every two adjacent cam surfaces (9) on the first cam body (5) or the second cam body (6), and the cam surfaces (9) are obliquely arranged relative to the axial direction of the second joint (3).

3. The connection joint of claim 2, wherein:

the inclination directions of the cam faces (9) of the first cam body (5) are substantially the same, the inclination directions of the cam faces (9) of the second cam body (6) are substantially the same, and the inclination direction of the cam face (9) of the first cam body (5) is substantially perpendicular to the inclination direction of the cam face (9) of the second cam body (6).

4. The connector sub of claim 2, wherein:

the groove (10) of the first cam body (5) and the cam surface (9) of the second cam body (6) are disposed in correspondence with each other in the axial direction, and the groove (10) of the second cam body (6) and the cam surface (9) of the first cam body (5) are disposed in correspondence with each other in the axial direction.

5. The connector sub of claim 2, wherein:

the first cam body (5) is provided with a plurality of grooves (10) at intervals along the circumference;

the guide groove (8) is communicated with part of the groove (10) of the first cam body (5);

when the first joint (1) and the second joint (3) are locked, the boss (2) enters the groove (10) which is not communicated with the guide groove (8) on the first cam body (5).

6. The connector sub of claim 2, wherein:

the outer end of the boss (2) is provided with a first inclined plane (11), the first inclined plane (11) is matched with the cam surface (9) of the second cam body (6), the other end of the boss (2) is provided with a second inclined plane (12), and the second inclined plane (12) is matched with the cam surface (9) of the first cam body (5).

7. The connector sub of claim 1, wherein:

one end of the rotating body (4) is provided with a bearing (13), and the bearing (13) is used for connecting the rotating body (4) and the second joint (3).

8. The connection joint of claim 2, wherein:

the rotating body (4) is provided with an outer sheath (14), and the first cam body (5) and the second cam body (6) are fixed inside the outer sheath (14).

9. The connector sub of claim 1, wherein:

the second joint (3) is provided with an elastic body which is used for moving the first joint (1) in a direction away from the second joint (3) along the axial direction;

one end of the elastic body is fixed on the second joint (3), and the other end of the elastic body is abutted against the first joint (1).

10. The connector sub of claim 2, wherein:

the opening size of one side, close to the first joint (1), of the guide groove (8) is larger than the cross-sectional size of the boss (2).

Images