CN211501328U

CN211501328U - Joint bearing with large swing angle amplitude

Info

Publication number: CN211501328U
Application number: CN201922502564.6U
Authority: CN
Inventors: 陈骅
Original assignee: Wuxi Unison Technology Co ltd
Current assignee: Wuxi Unison Technology Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-09-15
Anticipated expiration: 2029-12-31

Abstract

The utility model relates to a joint bearing that pivot angle range is big, including outer lane and inner circle, the outer lane parcel is outside the inner circle, the inner circle rotates in the outer lane, the both ends of inner circle are laminated respectively and are had first accessory and second accessory, the surface of first accessory and second accessory is the arcwall face, first accessory is towards one side fixedly connected with internal thread sleeve of inner circle, internal thread sleeve wears to establish in the inner circle, wear to be equipped with locking bolt on the second accessory, locking bolt includes fastening screw and the gland nut of fixed connection in fastening screw one end, fastening screw gets into the inner chamber and the threaded connection of inner circle in internal thread sleeve, gland nut compresses tightly on the second accessory, fixedly connected with mounting screw on the first accessory, mounting screw is located same axis with internal thread sleeve. The utility model discloses in, the cooperation of first accessory and second accessory makes the inner circle be spherical, and the sphere can have bigger area to get into in the outer lane to this has increased joint bearing's pivot angle range.

Description

Joint bearing with large swing angle amplitude

Technical Field

The utility model relates to a joint bearing especially relates to a joint bearing that pivot angle range is big.

Background

The joint bearing is a spherical sliding bearing, the sliding contact surface of which is an inner spherical surface and an outer spherical surface, and the joint bearing mainly comprises an inner ring with the outer spherical surface and an outer ring with the inner spherical surface. The joint bearing is generally used for swinging motion with low speed, and the sliding surface is spherical, so that the joint bearing can also perform tilting motion (namely aligning motion) within a certain angle range.

At present, chinese patent publication No. CN104763741A discloses a joint bearing structure, which includes an outer ring with a pull rod, an inner ring disposed in the outer ring, openings respectively disposed on the inner sides of two ends of the outer ring, the length of the opening corresponding to the outer diameter of the inner ring, the width of the opening corresponding to the thickness of the inner ring, the inner ring being placed in the outer ring through the opening, and the outer ring and the inner ring forming a spherical surface contact.

The inner ring is rotatably placed in the outer ring, so that the inner ring and the outer ring can be conveniently separated, and the inner ring or the outer ring can be more conveniently replaced. However, in the actual use process, when the components in the use working condition are installed in the inner ring, the components impact the outer ring in the rotation process, and the components cannot enter the outer ring, so that the rotation of the components is limited by the outer ring, the swing angle cannot be continuously increased, and the defect of small swing angle exists.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a joint bearing that pivot angle range is big, has the big advantage of pivot angle range to prior art exists not enoughly.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a joint bearing with large swing angle amplitude comprises an outer ring and an inner ring, wherein the outer ring is wrapped outside the inner ring, the inner ring rotates in the outer ring, a first auxiliary part and a second auxiliary part are respectively attached to two ends of the inner ring, the surfaces of the first auxiliary part and the second auxiliary part are arc-shaped surfaces, the radian of the arc-shaped surface is the same as that of the surface of the inner ring, one side of the first accessory facing the inner ring is fixedly connected with an internal thread sleeve, the internal thread sleeve is arranged in the inner ring in a penetrating way, the second auxiliary part is provided with a locking bolt in a penetrating way, the locking bolt comprises a fastening screw rod and a compression nut fixedly connected with one end of the fastening screw rod, the fastening screw rod enters the inner cavity of the inner ring and is in threaded connection with the inner thread sleeve, the compression nut is tightly pressed on the second auxiliary part, and the first auxiliary part is fixedly connected with a mounting screw, and the mounting screw and the internal thread sleeve are positioned on the same axis.

Through adopting above-mentioned technical scheme, the inner circle is at the rotation in-process, forms a complete sphere after the compensation of its both ends through first accessory and second accessory, and this sphere can carry out free rotation in the outer lane, and simultaneously, the installation screw rod on the first accessory is compared in the member of disect insertion inner circle more thin, consequently compares in the inner circle of incomplete circle, the utility model provides a first accessory and second accessory have increased the area that the inner circle can get into in the outer lane to this has reached the effect of increase pivot angle.

The present invention may be further configured in a preferred embodiment as: the second accessory is provided with a step hole for accommodating a nut, the nut is tightly pressed on an interface with the inner diameter of the step hole changed, the outer side wall of the nut is circular, and one side of the nut, which is far away from the screw rod, is provided with a regular polygonal dismounting hole.

Through adopting above-mentioned technical scheme, the step hole can hold gland nut to at the inner circle rotation in-process, gland nut strikes the possibility of outer lane, has further improved with this the utility model discloses a pivot angle scope.

The present invention may be further configured in a preferred embodiment as: the side of first accessory and second accessory towards the inner circle is fixedly connected with positioning ring strip respectively, two terminal surfaces of inner circle are opened respectively and are used for holding the positioning ring groove of positioning ring strip.

Through adopting above-mentioned technical scheme, the cooperation of positioning ring groove and positioning ring strip has the location effect, can make first accessory and second accessory aim at the both ends at the inner circle more fast.

The present invention may be further configured in a preferred embodiment as: the one side of position ring strip orientation position annular groove bottom is the rack form, the groove bottom of position annular groove is the tooth's socket form, the meshing of position ring strip is in the position annular groove.

Through adopting above-mentioned technical scheme, the location trades strip and positioning ring groove intermeshing, has reduced first accessory and second accessory and has produced the possibility of rotatory in the both ends department of inner circle.

The present invention may be further configured in a preferred embodiment as: the outer side wall of the internal thread sleeve is fixedly sleeved with a rubber sleeve, and the rubber sleeve is extruded in the inner ring.

Through adopting above-mentioned technical scheme, when the internal thread sleeve inserted the inner circle, the rubber sleeve received the extrusion, and its deformation can impel its self to extrude in the inside wall of inner circle to this realizes closely laminating between internal thread sleeve and the inner circle inside wall.

The present invention may be further configured in a preferred embodiment as: the edge of the outer side of the rubber ferrule is cut with a guide inclined surface, and the guide inclined surface is positioned at one end, far away from the first auxiliary part, of the rubber sleeve.

Through adopting above-mentioned technical scheme, the guide inclined plane can make rubber sleeve and internal thread sleeve pipe insert the inner circle more fast in, has improved the convenience of staff's installation.

The present invention may be further configured in a preferred embodiment as: the vertical fixedly connected with spacing strip of inside wall of inner circle, the lateral wall of rubber sleeve is opened has the spacing groove that supplies spacing strip embedding.

Through adopting above-mentioned technical scheme, the cooperation of spacing strip and spacing groove has the guide effect, when inserting the inner circle with the internal thread sleeve, has realized quick alignment between them. Meanwhile, the limiting strip and the limiting groove have the function of mutual limitation, and are mutually matched with the mutually meshed positioning ring strip and the positioning ring groove, so that the stability of the first auxiliary part and the second auxiliary part is further improved.

The present invention may be further configured in a preferred embodiment as: the inner thread sleeve extends to the end face of the inner ring close to the second auxiliary part.

Through adopting above-mentioned technical scheme, after aiming at the second accessory, the internal thread sleeve just in time contradicts the step hole, and the staff can see the internal thread sleeve clearly from this, and the staff of being convenient for screws up the locking bolt.

To sum up, the utility model discloses a following at least one useful technological effect: the inner circle is at the rotation in-process, forms a complete sphere after the compensation of its both ends through first accessory and second accessory, and this sphere can carry out free rotation in the outer lane, and simultaneously, the installation screw rod on the first accessory is compared in the member of disect insertion inner circle more thin, consequently compares in the inner circle of non-perfect circle, the utility model provides a first accessory and the vice accessory of second have increased the area that the inner circle can get into in the outer lane to this has reached the effect of increase pivot angle.

Drawings

Fig. 1 is a schematic structural diagram for embodying the present invention.

Fig. 2 is an exploded view for embodying the present invention.

In the figure, 1, outer ring; 2. an inner ring; 21. a limiting strip; 3. a first secondary member; 31. an internally threaded sleeve; 311. a rubber sleeve; 3111. a guide ramp; 3112. a limiting groove; 32. installing a screw rod; 4. a second sub-member; 41. locking the bolt; 411. fastening a screw rod; 412. a compression nut; 4121. disassembling and assembling holes; 42. a stepped bore; 5. positioning the ring strip; 51. and a positioning ring groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The utility model discloses a joint bearing that pivot angle range is big refers to fig. 1 and fig. 2, including outer lane 1 and inner circle 2, outer lane 1 parcel is outside inner circle 2, and inner circle 2 rotates in outer lane 1. The two ends of the inner ring 2 are respectively attached with a first auxiliary part 3 and a second auxiliary part 4, the surfaces of the first auxiliary part 3 and the second auxiliary part 4 are arc-shaped surfaces, and the arc-shaped surfaces and the surface of the inner ring 2 are in the same arc shape.

Referring to fig. 2, an internally threaded sleeve 31 is welded to the first sub 3 on a side facing the inner ring 2, and the internally threaded sleeve 31 is inserted into the inner ring 2. When the first sub-member 3 is fitted to the end face of the inner ring 2, the internally threaded sleeve 31 extends to the end face of the inner ring 2 near the second sub-member 4. A locking bolt 41 is arranged on the second auxiliary member 4 in a penetrating manner, and the locking bolt 41 comprises a fastening screw 411 and a compression nut 412 fixedly connected to one end of the fastening screw 411. The tightening screw 411 enters the inner cavity of the inner ring 2 and is screwed into the internally threaded sleeve 31, and the compression nut 412 is pressed against the second sub-part 4.

Referring to fig. 2, the first sub-part 3 and the second sub-part 4 are located at two ends of the inner ring 2, and are connected through the thread fit between the fastening screw 411 and the internally threaded sleeve 31, so that the first sub-part 3, the inner ring 2 and the second sub-part 4 are fastened and connected. The first auxiliary member 3 is fixedly connected with a mounting screw 32, the mounting screw 32 and the internal thread sleeve 31 are positioned on the same axis, and the mounting screw 32 is used for connecting components in a use condition.

Referring to fig. 2, the first and second sub-members 3 and 4 are fixedly connected with a positioning ring strip 5 on the side facing the inner ring 2, and two end faces of the inner ring 2 are respectively provided with a positioning ring groove 51 for accommodating the positioning ring strip 5. The cooperation of the locating ring strip 5 and the locating ring groove 51 has a locating function, and the convenience of the first auxiliary part 3 and the second auxiliary part 4 in the installation and locating process is shortened.

Referring to fig. 2, the retainer ring 5 has a rack-shaped surface facing the groove bottom of the retainer ring groove 51, the groove bottom of the retainer ring groove 51 has a tooth-shaped bottom, and the retainer ring 5 is engaged with the retainer ring groove 51. After the positioning ring strip 5 and the positioning ring groove 51 are mutually meshed, the possibility that the positioning ring strip and the positioning ring groove produce relative rotation on the inner ring 2 is reduced, and the stability in the use process of the utility model is improved.

Referring to fig. 2, in order to improve the stability of the internally threaded sleeve 31 inserted into the inner ring 2, a rubber sleeve 311 is fixedly sleeved on the outer side wall of the internally threaded sleeve 31, and the rubber sleeve 311 is pressed into the inner ring 2. When the internally threaded sleeve 31 is inserted into the inner ring 2, the rubber sleeve 311 is compressed, and the deformation of the rubber sleeve causes the rubber sleeve to be compressed on the inner side wall of the inner ring 2, so that the internally threaded sleeve 31 is tightly attached to the inner side wall of the inner ring 2.

Referring to fig. 2, in order to facilitate the insertion of the female screw sleeve 31 into the inner ring 2, a guide slope 3111 is cut at an outer edge of the rubber sleeve 311, and the guide slope 3111 is located at an end of the rubber sleeve 311 remote from the first sub 3. The guide slope 3111 makes the outer diameter of the end portion of the rubber sleeve 311 smaller than the inner diameter of the inner ring 2 at the time of insertion of the inner ring 2, thereby achieving quick insertion of the internally threaded sleeve 31 and the rubber sleeve 311.

Referring to fig. 2, a limiting strip 21 is fixedly connected to the inner side wall of the inner ring 2 in a vertical direction, and a limiting groove 3112 for the limiting strip 21 to be embedded is formed in the outer side wall of the rubber sleeve 311. The cooperation of spacing strip 21 and spacing groove 3112 has the guide effect, when inserting female thread sleeve 31 in inner circle 2, has realized the quick alignment of both. Meanwhile, the limiting strip 21 and the limiting groove 3112 have the function of limiting each other, and are matched with the mutually meshed positioning ring strip 5 and the positioning ring groove 51, so that the stability of the first auxiliary piece 3 and the second auxiliary piece 4 is further improved.

Referring to fig. 2, the second sub-member 4 is provided with a stepped hole 42 for receiving the compression nut 412, the compression nut 412 is pressed against an interface of the stepped hole 42 with a varying inner diameter, an outer side wall of the compression nut 412 is circular, and a regular polygonal dismounting hole 4121 is provided on a side of the compression nut 412 facing away from the screw. The stepped hole 42 can accommodate the gland nut 412, thereby reducing the possibility that the gland nut 412 collides with the outer ring 1 during the rotation of the inner ring 2, and further improving the swing angle range of the present invention.

The implementation principle of the embodiment is as follows: the utility model discloses in the course of the work, inner circle 2 forms a complete sphere after the compensation of first accessory 3 and second accessory 4 at its both ends, and this sphere can carry out free rotation in outer lane 1, consequently compares in inner circle 2, the utility model provides a first accessory 3 and second accessory 4 have increased the area that inner circle 2 can get into in the outer lane 1 to this has reached the effect of increase pivot angle.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a joint bearing that pivot angle range is big, includes outer lane (1) and inner circle (2), outer lane (1) parcel is outside inner circle (2), inner circle (2) rotate in outer lane (1), its characterized in that: the two ends of the inner ring (2) are respectively attached with a first auxiliary part (3) and a second auxiliary part (4), the surfaces of the first auxiliary part (3) and the second auxiliary part (4) are arc-shaped surfaces, the radian of the arc-shaped surfaces is the same as that of the surface of the inner ring (2), one side, facing the inner ring (2), of the first auxiliary part (3) is fixedly connected with an internal thread sleeve (31), the internal thread sleeve (31) is arranged in the inner ring (2) in a penetrating manner, a locking bolt (41) is arranged on the second auxiliary part (4) in a penetrating manner, the locking bolt (41) comprises a fastening screw rod (411) and a compression nut (412) fixedly connected to one end of the fastening screw rod (411), the fastening screw rod (411) enters the inner cavity of the inner ring (2) and is in threaded connection with the internal thread sleeve (31), the compression nut (412) is compressed on the second auxiliary part (4), and an installation screw rod (32) is fixedly connected to the first auxiliary part (, the mounting screw rod (32) and the internal thread sleeve (31) are positioned on the same axis.

2. The oscillating bearing with large swing angle amplitude according to claim 1, wherein: the second auxiliary part (4) is provided with a stepped hole (42) for accommodating a screw cap, the screw cap is tightly pressed on an interface with the inner diameter of the stepped hole (42) changed, the outer side wall of the screw cap is circular, and one side of the screw cap, which is far away from the screw rod, is provided with a regular polygon dismounting hole (4121).

3. The oscillating bearing with large swing angle amplitude according to claim 1, wherein: first accessory (3) and second accessory (4) are towards the side of inner circle (2) fixedly connected with position ring strip (5) respectively, two terminal surfaces of inner circle (2) are opened respectively and are used for holding position ring groove (51) of position ring strip (5).

4. The oscillating bearing with large swing angle amplitude according to claim 3, characterized in that: the one side of position ring strip (5) orientation position ring groove (51) tank bottom is the rack form, the tank bottom of position ring groove (51) is the tooth's socket form, position ring strip (5) meshing is in position ring groove (51).

5. The oscillating bearing with large swing angle amplitude according to claim 1, wherein: the outer side wall of the internal thread sleeve (31) is fixedly sleeved with a rubber sleeve (311), and the rubber sleeve (311) is extruded in the inner ring (2).

6. The oscillating bearing with large swing angle amplitude according to claim 5, wherein: the edge of the outer side of the rubber ferrule is cut with a guide inclined surface (3111), and the guide inclined surface (3111) is positioned at one end of the rubber sleeve (311) far away from the first auxiliary part (3).

7. The oscillating bearing with large swing angle amplitude according to claim 5, wherein: the vertical fixedly connected with spacing strip (21) of inside wall of inner circle (2), spacing groove (3112) that supply spacing strip (21) embedding are opened to the lateral wall of rubber sleeve (311).

8. The oscillating bearing with large swing angle amplitude according to claim 1, wherein: the inner threaded sleeve (31) extends to the end face of the inner ring (2) close to the second auxiliary part (4).