CN220791772U

CN220791772U - Screw bearing for track traffic door system

Info

Publication number: CN220791772U
Application number: CN202322599223.1U
Authority: CN
Inventors: 陈轲钧; 景永文
Original assignee: Cixi Lingfan Bearing Co ltd
Current assignee: Cixi Lingfan Bearing Co ltd
Priority date: 2023-09-25
Filing date: 2023-09-25
Publication date: 2024-04-16
Anticipated expiration: 2033-09-25

Abstract

The utility model discloses a screw bearing for a track traffic door system, which comprises a base block and an end head, wherein the end head is fixedly welded on the left side of the base block, a stop block is fixedly connected on the right side of the base block, the stop block is movably sleeved in a shell, a full roller is movably connected in the shell, a blocking block is movably connected on the right side between the full roller and the shell, and grooves are respectively arranged at the top and the bottom of the right side of the blocking block. This a screw rod bearing for track traffic door system is through having full roller at the inside swing joint of shell, inserts full roller in the shell from the left side, holds between the fingers the plectrum from the recess, and the cover piece that guides this thing horizontal connection is along movable chamber vertical movement, and the quick shrinkage inserted block under the restriction of guide arm outside spring, after this thing aligns with the slot of full roller, just loosen the plectrum, the spring of wanting will insert the piece and jack into in the slot, has solved interior spare part dismantlement, the inconvenient problem of installation.

Description

Screw bearing for track traffic door system

Technical Field

The utility model relates to the technical field of screw bearings, in particular to a screw bearing for a rail transit door system.

Background

Screw bearings are also called bolt bearings, which are often used for installing rotating shafts in various devices of rail transit, lines are fully distributed outside one side of the screw bearings and can be meshed and fixed with a connecting assembly, rotatable full rollers are arranged in a casing on the right side of the screw bearings so as to form bearings for maintaining normal rotation of shaft bodies, but the common screw bearings can directly clamp and lock the casing and the inner full rollers and other parts when being installed, if the bearings are damaged, the screw bearings are difficult to disassemble and maintain or are replaced by separate parts, and the bearings are required to be replaced integrally, so that the processing cost is increased, and the waste in terms of resources is caused.

Now, a new screw bearing for a rail transit door system is proposed to solve the above-mentioned problems.

Disclosure of utility model

The utility model aims to provide a screw bearing for a track traffic door system, which is used for solving the problems of inconvenient disassembly and installation of inner parts in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a screw rod bearing for track traffic door system, includes basic piece and end, the fixed welding in left side of basic piece has the end, the right side fixedly connected with dog of basic piece, the dog activity cup joints in the inside of shell, the inside swing joint of shell has full roller, the right side swing joint between full roller and the shell has the chock, the top and the bottom on chock right side are provided with the recess respectively, the left side of recess is provided with movable chamber, the inside longitudinal welding of movable chamber has the guide arm, the outside swing joint of guide arm has the cover piece, fixedly connected with spring between cover piece and the movable chamber, the outside fixedly connected with plectrum of cover piece, the one end fixedly welded of cover piece has the inserted block, the inside top and the bottom in full roller right side are provided with the slot respectively, the fixed chock that inserts in right side of recess.

Preferably, the guide rod is embedded in the spring, and the sleeve block is sleeved outside the guide rod.

Preferably, the sleeve block and the poking piece are positioned on the same horizontal plane, and the sleeve block and the inserting block are positioned on the same vertical plane.

Preferably, the inside of basic piece vertically is provided with the inner chamber, the outside activity of inner chamber has cup jointed the lantern ring, the rear between the inside top of inner chamber and the bottom is provided with annular slide, the inboard fixedly connected with swivel of lantern ring, the inside top of swivel is provided with the piece of cleaning respectively with the bottom of the inside top of lantern ring is provided with the screw respectively with the bottom, the inside swing joint of screw has the bolt, the bottom of bolt links to each other with the piece of cleaning activity, the inside of bolt vertically is provided with the oilhole, the both sides of the inside top of swivel and bottom are provided with the spacing groove respectively, the internally mounted of spacing groove has the connecting rod.

Preferably, the outside of connecting rod links to each other with the piece is cleaned to the piece is fixed, the piece is cleaned to the piece symmetry and is set up in the inside bottom and the top of swivel.

Preferably, a thread groove is transversely formed in the left side of the end, and the thread groove, the end and the base block are arranged in concentric circles.

Compared with the prior art, the utility model has the beneficial effects that: the screw rod bearing for the track traffic door system not only realizes the replacement of internal parts, realizes the rapid lubrication of the rotating shaft, but also realizes the stable installation of the screw rod bearing;

the full roller is movably connected in the shell, the full roller connected with the full roller is inserted into the shell from the left side by virtue of the lantern ring, the movable plectrum is pinched in opposite directions from the groove, the sleeve block horizontally connected with the sleeve block is guided to vertically move along the movable cavity, the insert block is quickly contracted under the limit of the spring outside the guide rod, after the object is aligned with the slot of the full roller, the plectrum is loosened, the insert block is pushed into the slot by the spring, and the full roller and each part can be fixed in the shell, so that the sleeve block is quite convenient to disassemble;

Through longitudinally arranging an inner cavity in the basic block, screwing the bolts exposed at the upper part and the lower part according to the diameters of the rotating shafts inserted and fixed in the basic block and the full roller, so that the wiping block can vertically move along the screw holes, lubricating oil can be injected into the oil holes of the bolts at the top, when the wiping block contacts the outer surface of the rotating shaft, the sleeve ring can be shifted along the semi-arc annular slide way, the outer wall of the rotating shaft is wiped by the lubricating oil sleeve ring, lubrication and maintenance are carried out, and the service life of the screw bearing is prolonged;

Through transversely being provided with the screw groove in the left inside of end, the outside of end is equipped with the screw, and the left inside also processes the screw groove through the cutting method equally, when this screw rod bearing of installation, can use the screw to install, also can use the screw sleeve to carry out the joint fixedly, and the setting of screw can avoid the accessory pine to take off, also can install fast and dismantle, has saved the loaded down with trivial details operation of installing a plurality of screws additional.

Drawings

FIG. 1 is a schematic cross-sectional elevation view of the present utility model;

FIG. 2 is a schematic cross-sectional elevation view of the housing of the present utility model;

FIG. 3 is an enlarged partial cross-sectional view of the structure of FIG. 2A according to the present utility model;

FIG. 4 is a schematic diagram of a front cross-sectional structure of a basic block of the present utility model;

fig. 5 is a schematic side view of the present utility model.

In the figure: 1. a base block; 2. an end head; 3. a thread groove; 4. an inner cavity; 5. a collar; 6. a housing; 7. full roller; 8. blocking; 9. a groove; 10. a chock; 11. a pulling piece; 12. a slot; 13. inserting blocks; 14. a movable chamber; 15. a stop block; 16. a guide rod; 17. sleeving blocks; 18. a spring; 19. a wipe block; 20. a bolt; 21. a screw hole; 22. an annular slideway; 23. a swivel; 24. a limit groove; 25. an oil hole; 26. and (5) connecting a rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1: referring to fig. 1-5, a screw bearing for a track traffic door system comprises a base block 1 and an end head 2, wherein the end head 2 is fixedly welded on the left side of the base block 1, the right side of the base block 1 is fixedly connected with a stop block 15, the stop block 15 is movably sleeved in the shell 6, a full roller 7 is movably connected in the shell 6, a blocking block 8 is movably connected on the right side between the full roller 7 and the shell 6, grooves 9 are respectively arranged at the top and the bottom of the right side of the blocking block 8, a movable cavity 14 is arranged at the left side of the grooves 9, a guide rod 16 is longitudinally welded in the movable cavity 14, a sleeve block 17 is movably connected outside the guide rod 16, a spring 18 is fixedly connected between the sleeve block 17 and the movable cavity 14, a pulling piece 11 is fixedly connected on the outer side of the sleeve block 17, an insert block 13 is fixedly welded on one end of the sleeve block 17, slots 12 are respectively arranged at the top and the bottom of the right side of the full roller 7, and a plug block 10 is fixedly inserted on the right side of the grooves 9;

The guide rod 16 is embedded in the spring 18, the sleeve block 17 is sleeved outside the guide rod 16, the sleeve block 17 and the poking piece 11 are positioned on the same horizontal plane, and the sleeve block 17 and the inserting block 13 are positioned on the same vertical plane;

Specifically, as shown in fig. 1,2 and 3, the full roller 7 connected with the sleeve ring 5 is inserted into the shell 6 from the left side, the movable pulling piece 11 is pinched in opposite directions from the groove 9, the sleeve block 17 horizontally connected with the sleeve ring is guided to vertically move along the movable cavity 14, the inserting piece 13 is quickly contracted under the limit of the external spring 18 of the guide rod 16, after the object is aligned with the slot 12 of the full roller 7, the pulling piece 11 is loosened, and the inserting piece 13 is pushed into the slot 12 by the spring 18 to be clamped and fixed.

Example 2: the inside of the foundation block 1 is longitudinally provided with an inner cavity 4, the outside of the inner cavity 4 is movably sleeved with a lantern ring 5, the rear part between the top end and the bottom end of the inside of the inner cavity 4 is provided with an annular slideway 22, the inside of the lantern ring 5 is fixedly connected with a swivel 23, the top end and the bottom end of the inside of the swivel 23 are respectively provided with a wiping block 19, the top end and the bottom end of the inside of the lantern ring 5 are respectively provided with a screw hole 21, the inside of the screw hole 21 is movably connected with a bolt 20, the bottom of the bolt 20 is movably connected with the wiping block 19, the inside of the bolt 20 is longitudinally provided with an oil hole 25, both sides of the top end and the bottom end of the inside of the swivel 23 are respectively provided with a limiting groove 24, the inside of the limiting groove 24 is provided with a connecting rod 26, the outside of the connecting rod 26 is fixedly connected with the wiping block 19, and the wiping block 19 is symmetrically arranged at the bottom end and the top end of the inside of the swivel 23;

Specifically, as shown in fig. 1 and 3, according to the diameters of the rotating shafts inserted and fixed inside the foundation block 1 and the full roller 7, the bolts 20 exposed at the upper and lower parts are screwed, so that the wiping block 19 is vertically moved along the screw holes 21, lubricating oil can be injected from the oil holes 25 of the top bolts 20, when the wiping block 19 contacts the outer surface of the rotating shaft, the lantern ring 5 can be shifted along the semi-arc annular slideway 22, and the outer wall of the rotating shaft is wiped by the matters and is lubricated and maintained.

Example 3: the left side of the end head 2 is internally and transversely provided with a thread groove 3, and the thread groove 3, the end head 2 and the foundation block 1 are arranged in concentric circles;

specifically, as shown in fig. 1 and 4, the outside of the end head 2 is provided with threads, and the inside of the left side is also provided with a thread groove 3 by machining through a cutting method, so that when the screw bearing is installed, the screw bearing can be installed by using a screw, the screw bearing can also be clamped and fixed by using a threaded sleeve, the setting of the threads can avoid loosening of accessories, and the screw bearing can also be installed and dismantled rapidly.

Working principle: when the utility model is used, firstly, the full roller 7 connected with the sleeve ring 5 is inserted into the shell 6 from the left side, the movable pulling piece 11 is oppositely pinched from the groove 9, the sleeve block 17 for guiding the object to be horizontally connected moves vertically along the movable cavity 14, the inserting block 13 is quickly contracted under the limit of the external spring 18 of the guide rod 16, after the object is aligned with the inserting groove 12 of the full roller 7, the pulling piece 11 is loosened, the inserting block 13 is pushed into the inserting groove 12 by the spring 18, the full roller 7 and each part can be fixed in the shell 6, and vice versa, because the outside of the end head 2 is provided with threads, the inside of the left side is also provided with the thread groove 3 by a cutting method, when the screw bearing is installed, the sleeve can be used for clamping and fixing, the screw bearing can be used for preventing the accessories from loosening, and also can be quickly installed and detached, finally, the exposed bolts 20 at the upper and lower parts can be screwed according to the diameters of the rotating shafts fixed in the inserting way inside of the basic block 1 and the full roller 7, so as to vertically move the wiping block 19 along the bolt 21, the top part can be injected into the inserting hole 20, the lubricating oil hole 25 can be used for wiping the outer surface of the object along the rotating shaft 25, and the outer wall of the ring-shaped sliding way can be used for wiping the outer surface of the object by the sleeve ring-shaped sliding way 5.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Screw bearing for a rail transit door system, comprising a basic block (1) and an end head (2), characterized in that: the utility model discloses a plug, including foundation piece (1), recess (9) are provided with, foundation piece (1)'s left side fixedly connected with end (2), the right side fixedly connected with dog (15) of foundation piece (1), the inside at shell (6) is cup jointed in the dog (15) activity, the inside swing joint of shell (6) has full roller (7), the right side swing joint between full roller (7) and shell (6) has chock block (8), the top and the bottom on chock block (8) right side are provided with recess (9) respectively, the left side of recess (9) is provided with movable cavity (14), the inside longitudinal welding of movable cavity (14) has guide arm (16), the outside swing joint of guide arm (16) has cover piece (17), fixedly connected with spring (18) between cover piece (17) and the movable cavity (14), the outside fixedly connected with plectrum (11) of cover piece (17), the one end fixedly welded with chock block (13) of cover piece (17), the inside top and the bottom on the right side of chock block (7) are provided with recess (9) respectively, insert piece (10) are fixed on the right side.

2. A screw bearing for a track traffic door system according to claim 1, wherein: the guide rod (16) is embedded in the spring (18), and the sleeve block (17) is sleeved outside the guide rod (16).

3. A screw bearing for a track traffic door system according to claim 1, wherein: the sleeve block (17) and the poking piece (11) are positioned on the same horizontal plane, and the sleeve block (17) and the inserting block (13) are positioned on the same vertical plane.

4. A screw bearing for a track traffic door system according to claim 1, wherein: the inside of basic piece (1) vertically is provided with inner chamber (4), the outside activity of inner chamber (4) has cup jointed lantern ring (5), the rear between inside top and the bottom of inner chamber (4) is provided with annular slide (22), the inboard fixedly connected with swivel (23) of lantern ring (5), the inside top and the bottom of swivel (23) are provided with respectively and wipe piece (19) the inside top and the bottom of lantern ring (5) are provided with screw (21) respectively, the inside swing joint of screw (21) has bolt (20), the bottom and the activity of wiping piece (19) of bolt (20) link to each other, the inside vertically of bolt (20) is provided with oilhole (25), the both sides of the inside top and the bottom of swivel (23) are provided with spacing groove (24) respectively, the internally mounted of spacing groove (24) has connecting rod (26).

5. A screw bearing for a track traffic door system according to claim 4, wherein: the outside of connecting rod (26) is fixed with wiping piece (19), wiping piece (19) symmetry sets up bottom and top in swivel (23) inside.

6. A screw bearing for a track traffic door system according to claim 1, wherein: the inside in end (2) left side transversely is provided with screw thread groove (3), screw thread groove (3) are concentric circle arrangement with end (2) and basic piece (1).