CN211951187U

CN211951187U - Joint bearing for 3d printer

Info

Publication number: CN211951187U
Application number: CN202020618775.6U
Authority: CN
Inventors: 孙龙平
Original assignee: Lishui Longxin Bearing Co ltd
Current assignee: Lishui Longxin Bearing Co ltd
Priority date: 2020-04-22
Filing date: 2020-04-22
Publication date: 2020-11-17
Anticipated expiration: 2030-04-22

Abstract

The utility model relates to a joint bearing for on 3d printer, including the inner circle, the copper ring, the outer lane and be a holistic connecting rod with the outer lane, the copper ring tight-fitting is on the outer lane inner wall, inner circle and copper ring rotatable fit, be equipped with the screw hole on the connecting rod and with communicating axial through-hole of screw hole and radial through-hole, be equipped with one on the copper ring with the communicating through-hole of axial through-hole, be connected with an oiling joint on the radial through-hole, be provided with the protective housing around the oiling joint on the connecting rod lateral wall, the protective housing top has an opening, the protective housing top is provided with and is used for hiding half open-ended fixed stop, the fixed stop below just is located and is provided with the spout on the protective housing inner wall, be provided with the switch board along the horizontal slide switch opening in the spout, be equipped with the supplementary closed subassembly that is used for, A joint bearing that is used for on 3d printer that long service life and fastening are effectual.

Description

Joint bearing for 3d printer

Technical Field

The utility model relates to a joint bearing, concretely relates to joint bearing for on 3d printer.

Background

The joint bearing is usually used on a 3d printer and is used for connection, the structure of the joint bearing is as disclosed in the patent number 200920196409.X, the joint bearing comprises an inner ring, a copper ring, an outer ring and a connecting rod which is integrated with the outer ring, the copper ring is tightly matched on the inner wall of the outer ring, the inner ring and the copper ring are in rotatable fit, a threaded hole, an axial through hole and a radial through hole which are communicated with the threaded hole are arranged on the connecting rod, a through hole which is communicated with the axial through hole is arranged on the copper ring, and an oil injection joint is connected on the radial through hole, the joint bearing with the structure has the advantages that a user can conveniently add lubricating oil at any time on the premise of ensuring the normal work of the inner ring, however, in the actual use process, the oil injection joint which is directly exposed in the outside air and dust and impurities are easily attached to the oil which enters the threaded hole and the inner wall, reduce holistic life, the phenomenon that the oiling connects the jam appears, and simultaneously, current screw rod after in the screw in screw hole, its fastening effect is relatively poor, and the installation is insecure to deviate from the screw hole easily, from this needs to improve.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing an avoid the dust to adhere to, long service life and fasten effectual joint bearing that is used for on 3d printer.

The technical scheme of the utility model is realized like this: the utility model provides a joint bearing for on 3d printer, includes inner circle, copper ring, outer lane and is a holistic connecting rod with the outer lane, the copper ring tight-fitting is on the outer lane inner wall, inner circle and copper ring rotatable fit, be equipped with the screw hole on the connecting rod and with the communicating axial direction through-hole of screw hole and radial through-hole, be equipped with one on the copper ring with the communicating through-hole of axial direction through-hole, be connected with an oiling joint on the radial through-hole, its characterized in that: a protective cover shell is arranged on the outer side wall of the connecting rod around the oil injection joint, the top of the protective cover shell is provided with an opening, a fixed baffle for covering a half of the opening is arranged at the top of the protective cover casing, a chute is arranged below the fixed baffle and on the inner wall of the protective cover casing, a switch board is arranged in the sliding groove along the opening of the transverse sliding switch, an auxiliary closing component for assisting the automatic closing of the switch board is arranged in the sliding groove, the auxiliary closing component comprises a guide rod, one end of the guide rod is fixed on the inner wall of the protective cover shell and is positioned below the fixed baffle, the side wall of the switch board is provided with a guide hole for inserting the guide rod, one end of the guide rod far away from the inner wall of the protective cover casing is inserted into the guide hole in a sliding way, the end part of the guide rod is connected with the inner bottom of the guide hole through a connecting spring, and an auxiliary fastening assembly for assisting in controlling a screw rod screwed into the threaded hole in a fastening mode is arranged on the outer side wall of the connecting rod.

By adopting the technical scheme, the protective cover shell is arranged on the outer side wall of the connecting rod around the oil injection joint and is used for preventing dust and impurities from being attached to the oil injection joint in the daily use process, in order to facilitate the operation of oil injection, the top of the protective cover shell is provided with an opening, the top of the protective cover shell is provided with a fixed baffle used for covering half of the opening, a sliding groove is arranged below the fixed baffle and on the inner wall of the protective cover shell, a switch plate is arranged in the sliding groove along a transverse sliding switch opening, when in use, the switch plate is pushed to transversely move towards the lower part of the fixed baffle by operation, in the transverse moving process of the switch plate, the guide rod is inserted into the guide hole and compresses a connecting spring connected with the end part of the guide rod, then the oil injection operation is carried out through the oil injection joint, after the oil injection is finished, the pushing to the switch plate, use simple and conveniently, guaranteed when not carrying out the oiling, the oiling connects and is located the protection housing, and screw rod installation back in the screw hole, through the supplementary fastening components of operation setting on the connecting rod lateral wall supplementary fasten the screw rod, strengthened the fixed effect to the screw rod, the utility model provides an avoid the dust to adhere to, long service life and fasten effectual joint bearing that is used for on 3d printer.

The utility model discloses further set up to: the auxiliary fastening assembly comprises a fixed pipe and a fastening bolt, the fixed pipe and the fastening bolt are arranged on the side wall of the connecting rod, a positioning block with an adjusting screw hole in the middle is arranged at the bottom in the fixed pipe, a fastening groove is formed in the hole wall in the screw hole, one end of the fastening bolt penetrates through the adjusting screw hole and the outer wall of the connecting rod in a rotating mode and then extends into the fastening groove, and a fastening rubber pad is connected to the fastening bolt.

Through adopting above-mentioned technical scheme, during the connection, after the threaded hole was installed to the screw rod screw in, with fastening bolt screw in to the locating piece, make the compressing rubber pad that fastening bolt one end is connected remove to the screw hole direction, along with the continuous screw in of fastening bolt, extrude on the screw rod through compressing rubber pad extrusion, extrude fixedly to the screw rod to the stability after the improvement is installed to the screw rod avoids the screw rod vibration to deviate from.

The utility model discloses further set up to: and an annular limiting plate used for limiting the fastening bolt is arranged at the port of one end of the fixing pipe far away from the side wall of the connecting rod.

Through adopting above-mentioned technical scheme, in order to avoid fastening bolt to deviate from the locating piece when not using, be provided with the annular limiting plate that is used for spacing fastening bolt at the end port department that the fixed pipe kept away from the connecting rod lateral wall.

The utility model discloses further set up to: the upper surface of the switch board is provided with a convex block, and the top of the convex block protrudes to be higher than the height of the upper surface of the fixed baffle.

Through adopting above-mentioned technical scheme, in order to operate the opening that promotes the flush mounting plate and come the switch to open and close protective housing top when using, be provided with the lug at the flush mounting plate upper surface, the outstanding height that is higher than the fixed stop upper surface in lug top.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a partially enlarged structural diagram of a portion a in fig. 1.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1-2, the utility model discloses a joint bearing for 3d printer, comprising an inner ring 2, a copper ring 6, an outer ring 1 and a connecting rod 5 integrated with the outer ring 1, wherein the copper ring 6 is tightly fitted on the inner wall of the outer ring 1, the inner ring 2 is rotatably fitted with the copper ring 6, the connecting rod 5 is provided with a threaded hole 4, an axial through hole 9 and a radial through hole 8 communicated with the threaded hole 4, the copper ring 6 is provided with a through hole 7 communicated with the axial through hole 9, the radial through hole 8 is connected with an oil filling joint 3, in the embodiment of the invention, a protective cover 11 is arranged on the outer side wall of the connecting rod 5 around the oil filling joint 3, the top of the protective cover 11 is provided with an opening, the top of the protective cover 11 is provided with a fixed baffle 12 for covering a half of the opening, a chute 13 is arranged below the fixed baffle 12 and on the inner wall of the protective cover, be provided with switch plate 14 along the lateral sliding switch opening in the spout 13, be provided with in the spout 13 and be used for the automatic closed supplementary closed subassembly of supplementary switch plate 14, supplementary closed subassembly includes that one end is fixed on protection housing 11 inner wall and is located the guide bar 15 of fixed stop 12 below, offer on the switch plate 14 lateral wall and supply guide bar 15 male guiding hole 16, the one end that protection housing 11 inner wall was kept away from to guide bar 15 slides and penetrates in guiding hole 16, the bottom is connected in guide bar 15 tip passes through coupling spring 17 and guiding hole 16, be provided with the supplementary fastening assembly who is used for the screw rod of auxiliary control fastening screw in to screw hole 4 on the connecting rod 5 lateral wall.

By adopting the technical scheme, the protective cover shell 11 is arranged on the outer side wall of the connecting rod 5 around the oil injection joint 3 and is used for preventing dust and impurities from attaching to the oil injection joint 3 in the daily use process, in order to facilitate the operation of oil injection, the top of the protective cover shell 11 is provided with an opening, the top of the protective cover shell 11 is provided with a fixed baffle 12 for covering a half of the opening, a sliding groove 13 is arranged below the fixed baffle 12 and on the inner wall of the protective cover shell 11, a switch plate 14 is arranged in the sliding groove 13 along the transverse sliding switch opening, when in use, the switch plate 14 is pushed to the lower side of the fixed baffle 12 in a transverse moving way by operation, the guide rod 15 is inserted into the guide hole 16 and compresses the connecting spring 17 connected with the end part of the guide rod 15, then, the oil injection operation is carried out through the oil injection joint 3, after the oil injection is completed, under connecting spring 17's answer effort, make switch board 14 reset to the opposite side sideslip, it is simple and convenient to use, has guaranteed when not carrying out the oiling, and the oiling connects 3 to be located protection housing 11, and screw rod installation back in screw hole 4, through the supplementary fastening components of operation setting on 5 lateral walls of connecting rod supplementary fasten the screw rod, has strengthened the fixed effect to the screw rod, the utility model provides an avoid the dust to adhere to, long service life and fasten effectual joint bearing that is used for on 3d printer.

The utility model discloses in the embodiment, supplementary fastening components is including setting up fixed pipe 21 and fastening bolt 24 on connecting rod 5 lateral wall, the bottom is provided with the locating piece 23 that the middle part has an adjustment screw 22 in fixed pipe 21, fastening groove 25 has been seted up on the pore wall in the screw hole 4, fastening bolt 24's one end is rotatory to be passed and is extended into fastening groove 25 behind adjustment screw 22 and the 5 outer walls of connecting rod, and be connected with compressing rubber pad 26.

Through adopting above-mentioned technical scheme, during the connection, after the screw rod screw in was installed in screw hole 4, with fastening bolt 24 screw in to locating piece 23, make the compressing rubber pad 26 that fastening bolt 24 one end is connected remove to screw hole 4 direction, along with the continuous screw in of fastening bolt 24, extrude on the screw rod through compressing rubber pad 26, extrude fixedly to the screw rod to the stability after the improvement is installed to the screw rod avoids the screw rod vibration to deviate from.

In the embodiment of the present invention, a ring-shaped limiting plate 27 for limiting the fastening bolt 24 is disposed at a port of the fixing tube 21 away from the side wall of the connecting rod 5.

By adopting the above technical scheme, in order to avoid the fastening bolt 24 from being released from the positioning block 23 when not in use, an annular limiting plate 27 for limiting the fastening bolt 24 is arranged at the end opening of the fixing tube 21 far away from the side wall of the connecting rod 5.

In the embodiment of the present invention, the upper surface of the switch board 14 is provided with a bump 18, and the top of the bump 18 protrudes higher than the height of the upper surface of the fixed baffle 12.

By adopting the technical scheme, in order to facilitate the operation of pushing the switch plate 14 to open and close the opening at the top of the protective cover shell 11 in use, the upper surface of the switch plate 14 is provided with the convex block 18, and the top of the convex block 18 protrudes higher than the height of the upper surface of the fixed baffle 12.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a joint bearing for on 3d printer, includes inner circle (2), copper ring (6), outer lane (1) and is a holistic connecting rod (5) with outer lane (1), copper ring (6) tight-fitting is on outer lane (1) inner wall, inner circle (2) and copper ring (6) rotatable fit, be equipped with on connecting rod (5) screw hole (4) and with screw hole (4) communicating axial through hole (9) and radial through hole (8), be equipped with one on copper ring (6) with communicating through hole (7) of axial through hole (9), be connected with one on radial through hole (8) oiling and connect (3), its characterized in that: the oil injection connector is characterized in that a protective cover shell (11) is arranged on the outer side wall of the connecting rod (5) around the oil injection connector (3), an opening is formed in the top of the protective cover shell (11), a fixing baffle (12) used for covering a half of the opening is arranged at the top of the protective cover shell (11), a sliding groove (13) is formed below the fixing baffle (12) and located on the inner wall of the protective cover shell (11), a switch plate (14) is arranged in the sliding groove (13) along a transverse sliding switch opening, an auxiliary closing component used for assisting the automatic closing of the switch plate (14) is arranged in the sliding groove (13), the auxiliary closing component comprises a guide rod (15) of which one end is fixed on the inner wall of the protective cover shell (11) and located below the fixing baffle (12), a guide hole (16) for inserting the guide rod (15) is formed in the side wall of the switch plate (14), and one end, far away from the inner wall of the protective, the end part of the guide rod (15) is connected with the inner bottom of the guide hole (16) through a connecting spring (17), and an auxiliary fastening assembly for assisting in controlling a screw rod screwed into the threaded hole (4) in a fastening mode is arranged on the outer side wall of the connecting rod (5).

2. A spherical plain bearing for use in a 3d printer according to claim 1, wherein: the auxiliary fastening assembly comprises a fixing pipe (21) and a fastening bolt (24), the fixing pipe (21) is arranged on the side wall of the connecting rod (5), a positioning block (23) with an adjusting screw hole (22) in the middle is arranged at the bottom in the fixing pipe (21), a fastening groove (25) is formed in the inner hole wall of the screw hole (4), one end of the fastening bolt (24) penetrates through the adjusting screw hole (22) and the outer wall of the connecting rod (5) in a rotating mode and then extends into the fastening groove (25), and the fastening bolt is connected with a compression rubber pad (26).

3. A spherical plain bearing for use in a 3d printer according to claim 2, wherein: and an annular limiting plate (27) used for limiting the fastening bolt (24) is arranged at one end port of the fixing pipe (21) far away from the side wall of the connecting rod (5).

4. A spherical plain bearing for use in a 3d printer according to claim 3, wherein: the upper surface of the switch board (14) is provided with a convex block (18), and the top of the convex block (18) protrudes to be higher than the height of the upper surface of the fixed baffle (12).