CN213808501U

CN213808501U - Oil-retaining bearing capable of preventing clamping stagnation

Info

Publication number: CN213808501U
Application number: CN202022574991.8U
Authority: CN
Inventors: 丁剑浩
Original assignee: Changzhou Zhiyu Powder Metallurgy Co ltd
Current assignee: Changzhou Zhiyu Powder Metallurgy Co ltd
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2021-07-27
Anticipated expiration: 2030-11-09

Abstract

The utility model belongs to the technical field of the oiliness bearing technique and specifically relates to a prevent oiliness bearing of jamming, including oiliness bearing body and the dirty strip of collection, the internal perisporium in shaft hole in the oiliness bearing body seted up with the dirty strip assorted slot of collection, the dirty strip of collection is inserted and is established in the slot, the internal surface and the shaft hole of the dirty strip of collection are on same periphery, and the internal surface of the dirty strip of collection has seted up the dirty groove of collection, the dirty strip of collection passes through fastening screw to be fixed on the oiliness bearing body, the utility model discloses prevent oiliness bearing of jamming is through seting up the dirty groove of collection on the dirty strip of collection to make dirty strip detachable of collection install in the slot in shaft hole, thereby can directly take out the dirty strip of collection from the shaft hole, so that the dirty groove of collection of the dirty strip of collection is cleared up, in order to maintain the nimble moving operational environment of pivot, reduce the friction of pivot and the noise when operation, and dirt clearance is convenient, And (4) the method is quick.

Description

Oil-retaining bearing capable of preventing clamping stagnation

Technical Field

The utility model belongs to the technical field of the oiliness bearing technique and specifically relates to a prevent oiliness bearing of jamming.

Background

The oil-impregnated bearing is a basic part which is indispensable to the development of various industrial products such as automobiles, household electrical appliances, sound equipment, office equipment, agricultural machinery, precision machinery and the like, belongs to a sintered body formed by manufacturing materials such as metal powder and the like by a powder metallurgy method, is in a porous state, has the number, the size and the shape of pores, can be controlled and adjusted in the manufacturing process, and has high flexibility and degree of freedom; the porous structure can well adsorb the lubricating oil, the oil-containing bearing can automatically lubricate in the operation of equipment after being impregnated with 10 to 40 percent of the lubricating oil, so the oil-containing bearing has obvious effect on mechanical equipment which has long operation time and is difficult to maintain a lubricating state, the temperature of the oil-containing bearing can be correspondingly increased along with the friction and the heat generation of the mechanical equipment after the oil-containing bearing is impregnated with the lubricating oil and is put into operation, the lubricating oil in the oil-containing bearing can automatically enter a lubricating surface to lubricate the bearing because the expansion coefficient of the oil is higher than that of metal, and the lubricating oil can be sucked back into pores when the mechanical equipment stops operating because the temperature of the oil-containing bearing is reduced;

dirt can appear between the outer wall of the inner wall in its shaft hole of oiliness bearing in the use and pivot, and the existence of dirt can arouse that the frictional force between pivot and the shaft hole exists the change, cause the rotational speed of pivot unstable, still can lead to the pivot to take place the jamming when serious, can't rotate, to this, can set up the dirty groove of collection in order to hold a certain amount of dirt on the shaft hole pore wall of oiliness bearing at present, but when the dirt is more in the dirty inslot of collection, the pivot still can receive the influence of dirt, and the unstable problem of rotational speed takes place.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: in order to solve the problem that the oil-retaining bearing in the prior art is difficult to clean dirt in a dirt collecting groove on the wall of a shaft hole, the oil-retaining bearing capable of preventing clamping stagnation is provided.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a prevent lubricated bearing of jamming, includes lubricated bearing body and collection dirt strip, the internal perisporium in shaft hole in lubricated bearing body seted up with the dirty assorted slot of collection, the dirty strip of collection is inserted and is established in the slot, the internal surface and the shaft hole of the dirty strip of collection are on same periphery, and the dirty groove of collection has been seted up to the internal surface of the dirty strip of collection, the dirty strip of collection passes through fastening screw to be fixed on lubricated bearing body.

Through having offered the dirty groove of collection on the dirty strip of collection in this scheme to make the dirty strip detachable of collection install in the slot in shaft hole, thereby can directly take out the dirty strip of collection from the shaft hole, so that clear up the dirty groove of collection of the dirty strip of collection, with the nimble moving operational environment of maintenance pivot, noise when reducing the friction of pivot and moving, and the dirt clearance is convenient, swift.

Furthermore, the left end of the slot is provided with a left side wall, the right end of the slot is provided with an opening, the left end of the dirt collecting bar is provided with a spring hole, a spring is arranged in the spring hole, one end of the spring props against the left side wall of the slot, and the other end of the spring props against the bottom of the spring hole; utilize the setting of spring, can when fastening screw loosens, the dirty strip of collection pops out a section distance right under the effect of spring to be convenient for take it out from the slot.

Further, dirty strip right-hand member tip of collection is equipped with connecting portion, fastening screw's threaded end pass behind the connecting portion with oil-retaining bearing body threaded connection, fastening screw's nut supports the right-hand member tip of connecting portion.

Furthermore, a sliding groove is formed in the side wall of the dirt collecting strip, at least two fixing pins matched with the sliding groove are arranged on the side wall of the inserting groove, the fixing pins are fixedly connected to the side wall of the inserting groove in a threaded mode, and the fixing pins are located in the sliding groove; utilize the cooperation of fixed pin and slot, can realize establishing the sliding connection relation between dirty strip of collection and the oily bearing body to dirty strip of collection can carry out the smooth and easy slot of inserting the oily bearing body, perhaps smooth and easy extracts the dirty strip of collection from the slot.

The utility model has the advantages that: the utility model discloses prevent oily bearing of jamming and offer on the dirty strip of collection through the dirty groove of will gathering together to make the dirty strip detachable of collection install in the slot in shaft hole, thereby can directly take out the dirty strip of collection from the shaft hole, so that clear up the dirty groove of collection of the dirty strip of collection, with the nimble moving operational environment of maintaining the pivot, noise when reducing the friction of pivot and moving, and the dirt clearance is convenient, swift.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a schematic view of an anti-sticking oil impregnated bearing of the present invention;

FIG. 2 is an enlarged partial schematic view of A of FIG. 1;

FIG. 3 is an enlarged partial schematic view of B of FIG. 1;

FIG. 4 is a schematic sectional view taken along line C-C in FIG. 1;

FIG. 5 is an enlarged partial schematic view of D of FIG. 4;

fig. 6 is a schematic side view of the anti-sticking dirt-collecting bar in the oil-retaining bearing of the present invention.

In the figure: 1. the oil-retaining bearing comprises an oil-retaining bearing body 101, shaft holes 102 and slots;

2. the sewage collecting device comprises a sewage collecting strip 201, a sewage collecting groove 2011, a left side wall 202, a spring hole 203, a connecting part 204 and a sliding groove;

3. fastening screws;

4. a spring;

5. and fixing the pin.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic drawings, which illustrate the basic structure of the invention only in a schematic way, and thus show only the components that are relevant to the invention, and the directions and references (e.g., upper, lower, left, right, etc.) may be used only to help describe the features in the drawings. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the claimed subject matter is defined only by the appended claims and equivalents thereof.

Example 1

As shown in fig. 1-6, an oil-retaining bearing for preventing clamping stagnation comprises an oil-retaining bearing body 1 and dirt collecting strips 2, slots 102 matched with the dirt collecting strips 2 are formed in the inner peripheral wall of a shaft hole 101 in the oil-retaining bearing body 1, the dirt collecting strips 2 are inserted in the slots 102, the inner surfaces of the dirt collecting strips 2 and the shaft hole 101 are arranged on the same circumferential surface, dirt collecting grooves 201 are formed in the inner surfaces of the dirt collecting strips 2, and the dirt collecting strips 2 are fixed on the oil-retaining bearing body 1 through fastening screws 3.

The left end of the slot 102 is provided with a left side wall 2011, the right end of the slot 102 is provided with an opening, the left end of the dirt collecting bar 2 is provided with a spring hole 202, a spring 4 is arranged in the spring hole 202, one end of the spring 4 props against the left side wall 2011 of the slot 102, and the other end props against the bottom of the spring hole 202; by means of the arrangement of the spring 4, when the fastening screw 3 is loosened, the dirt collecting strip 2 is ejected to the right for a certain distance under the action of the spring 4, so that the dirt collecting strip can be conveniently drawn out of the slot 102.

Dirty 2 right-hand member tip of collection is equipped with connecting portion 203, the threaded end of fastening screw 3 passes behind connecting portion 203 and 1 threaded connection of oil-retaining bearing body, the nut of fastening screw 3 supports the right-hand member tip of connecting portion 203.

The side wall of the dirt collecting strip 2 is provided with a sliding groove 204, the side wall of the slot 102 is at least provided with two fixing pins 5 matched with the sliding groove 204, the fixing pins 5 are fixed on the side wall of the slot 102 in a threaded connection mode, and the fixing pins 5 are located in the sliding groove 204; by means of the matching of the fixing pin 5 and the slot 102, the sliding connection relationship between the dirt collecting strip 2 and the oil-retaining bearing body 1 can be established, so that the dirt collecting strip 2 can be smoothly inserted into the slot 102 of the oil-retaining bearing body 1, or the dirt collecting strip 2 can be smoothly pulled out from the slot 102.

Through unscrewing fastening screw 3 in this embodiment, dirty strip 2 of collection pops out a section of distance right under spring 4's effect, then take it out from the slot 102 of axle hole 101, to the dirt clearance back in the dirty groove 201 of the collection of the dirty strip 2 of collection, the dirty strip 2 of collection that will clear up inserts again in the slot 102 of oiliness bearing body 1 from the opening part of slot 102, in order to maintain the nimble moving operational environment of pivot, reduce the friction of pivot and the noise when moving, and the dirt clearance is convenient, swift.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. An oil-retaining bearing for preventing clamping stagnation is characterized in that: including the oiliness bearing body (1) and the dirty strip (2) of collection, the internal perisporium of oiliness bearing body (1) centre bore (101) is seted up and is collected dirty strip (2) assorted slot (102), the dirty strip (2) of collection are inserted and are established in slot (102), the internal surface and the shaft bore (101) of the dirty strip (2) of collection are on same periphery, and the internal surface of the dirty strip (2) of collection has seted up the dirty groove (201) of collection, the dirty strip (2) of collection are fixed on the oiliness bearing body (1) through fastening screw (3).

2. The jamming prevention oil-impregnated bearing according to claim 1, wherein: the left end tip of slot (102) has left side wall (2011), and the right-hand member of slot (102) has the opening, spring hole (202) have been seted up to dirty strip (2) left end tip of collection, be equipped with spring (4) in spring hole (202), the one end of spring (4) supports left side wall (2011) of slot (102), and the other end supports the hole bottom of spring hole (202).

3. The jamming prevention oil-impregnated bearing according to claim 1, wherein: dirty strip (2) right-hand member tip of collection is equipped with connecting portion (203), the threaded end of fastening screw (3) pass behind connecting portion (203) with oiliness bearing body (1) threaded connection, the nut of fastening screw (3) supports the right-hand member tip of connecting portion (203).

4. The jamming prevention oil-impregnated bearing according to claim 1, wherein: the side wall of dirty strip (2) of collection has seted up spout (204), the side wall of slot (102) be equipped with at least two with spout (204) assorted fixed pin (5), fixed pin (5) threaded connection fixes on the side wall of slot (102), fixed pin (5) all are located spout (204).