CN214945763U

CN214945763U - Combined plastic bushing

Info

Publication number: CN214945763U
Application number: CN202121069236.2U
Authority: CN
Inventors: 李永顺
Original assignee: Huai'an Pa Autumn Letter Plastic Products Co ltd
Current assignee: Huai'an Pa Autumn Letter Plastic Products Co ltd
Priority date: 2021-05-19
Filing date: 2021-05-19
Publication date: 2021-11-30
Anticipated expiration: 2031-05-19

Abstract

The utility model relates to a modular plastics bush, including overcoat, endotheca and bush body, the first supporting mechanism of inner wall fixedly connected with of overcoat, the inside fixedly connected with second supporting mechanism of first supporting mechanism, the inside fixedly connected with endotheca of second supporting mechanism, the inside fixedly connected with bush body of endotheca, second supporting mechanism includes the inside support of fixed connection at first supporting mechanism, four group's spacers of surface fixedly connected with of support, the outside swing joint of support has the loose ring, the first spring of fixedly connected with between one side that the loose ring is relative with the spacer. According to the combined plastic bushing, the inner sleeve can drive the movable ring to move outside the bracket through the supporting rod in the second supporting mechanism, damping is formed in the process that the inner sleeve drives the movable ring to continuously move outside the bracket, and horizontal vibration of the bushing body is effectively reduced through matching with the first spring.

Description

Combined plastic bushing

Technical Field

The utility model relates to a bush technical field specifically is a modular plastics bush.

Background

The automobile bush is a matching part used for the outer surface of an automobile workpiece to play roles of antifriction, wear resistance, vibration reduction, noise reduction and the like, is widely applied to parts such as an automobile gearbox, an axle, a steering knuckle, a brake adjusting arm shaft, a suspension and the like, and is a high-load low-speed sliding bearing with wide application.

The combination formula plastics bush on the existing market is various, but the shortcoming that the practicality is low generally exists, in the fast-speed driving of car, in order to guarantee the stability of axle, all can be equipped with a bush in the outside of axle and come the counter shaft to protect, and current bush shock attenuation effect is not very ideal, can not realize diversified shock attenuation, consequently at the in-process of bush atress, can not effectively cushion the power of shaking, further reduced the stability of axle, increased the degree of wear of axle.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a modular plastics bush possesses advantages such as practicality height, has solved the problem that can not diversified shock attenuation and increased the degree of wear of axle.

In order to achieve the above object, the utility model provides a following technical scheme: a combined plastic bushing comprises an outer bushing, an inner bushing and a bushing body, wherein a first supporting mechanism is fixedly connected to the inner wall of the outer bushing, a second supporting mechanism is fixedly connected to the inside of the first supporting mechanism, the inner bushing is fixedly connected to the inside of the second supporting mechanism, and the bushing body is fixedly connected to the inside of the inner bushing;

the second supporting mechanism comprises a support fixedly connected to the inside of the first supporting mechanism, four groups of positioning pieces are fixedly connected to the outer surface of the support, a movable ring is movably connected to the outer side of the support, a first spring is fixedly connected between the movable ring and one side, opposite to the positioning pieces, of the positioning pieces, and the movable ring is close to one side, fixedly connected with supporting rods of the inner sleeve.

Further, first supporting mechanism includes the supporting shoe of fixed connection at the overcoat inner wall, the inside fixedly connected with locating lever of supporting shoe, the outside fixedly connected with movable piece of locating lever, fixedly connected with second spring between one side that movable piece and supporting shoe are relative.

Furthermore, the left side wall and the right side wall of the inner cavity of the outer sleeve are fixedly connected with positioning plates, and the left side wall and the right side wall of the inner sleeve are fixedly connected with sliding rods inside the positioning plates.

Furthermore, the outer surface of the outer sleeve is provided with at least two air holes which are uniformly distributed on the outer surface of the outer sleeve.

Furthermore, the shape of support is the annular, and every group quantity of spacer is two, and the internal diameter of spacer and the external diameter looks adaptation of support.

Further, the number of the movable rings is four, the movable rings are evenly distributed on the outer side of the support, and the movable rings face the direction of the first spring.

Furthermore, the inner sleeve is fixedly connected to one end, far away from the movable ring, of the support rod, the number of the support blocks is not less than two, and the inner diameter of each support block is matched with the outer diameter of the positioning rod.

Further, the inner diameter of the movable piece is matched with the outer diameter of the positioning rod, the movable piece faces the direction of the second spring, and the support is fixedly installed inside the movable piece.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this combination formula plastics bush, the in-process of car axle activity can exert pressure to the endotheca through the bush body, and the endotheca can pass through second supporting mechanism inner supporting rod this moment, takes the activity ring to remove in the outside of support, gives the horizontally pressure of first spring, and along with the endotheca takes the in-process that the activity ring constantly removed in the support outside to form the damping, and through the cooperation with first spring, the effectual horizontal vibrations that reduce the bush body.

2. This combination formula plastic bush, car axle activity make the endotheca receive the vertical force when, the last movable plate of first supporting mechanism reciprocates in the locating lever outside and forms the damping, through the injecing of locating plate to the slide bar, has further guaranteed the stability that the bush body removed the in-process, consequently through the cooperation of first supporting mechanism and second supporting mechanism, can realize the diversified shock attenuation of bush body, further guarantees the stability of car axle rotation in-process.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the first supporting mechanism of the present invention;

fig. 3 is a schematic view of a second supporting mechanism of the present invention;

fig. 4 is a top view of the second supporting mechanism of the present invention;

fig. 5 is a schematic view of the connection structure of the bracket and the movable ring of the present invention.

In the figure: the device comprises an outer sleeve 1, a first supporting mechanism 2, a supporting block 201, a positioning rod 202, a movable piece 203, a second spring 204, a second supporting mechanism 3, a support 301, a positioning piece 302, a movable ring 303, a first spring 304, a supporting rod 305, an inner sleeve 4, a bushing body 5, a positioning plate 6, a positioning plate 7 and a sliding rod.

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 work belong to the protection scope of the present invention.

Referring to fig. 1, a combined plastic bushing according to this embodiment includes an outer sleeve 1, an inner sleeve 4 and a bushing body 5, wherein a first supporting mechanism 2 is fixedly connected to an inner wall of the outer sleeve 1 to vertically absorb shock of the bushing body 5, a second supporting mechanism 3 is fixedly connected to an inside of the first supporting mechanism 2 to horizontally absorb shock of the bushing body 5, the inner sleeve 4 is fixedly connected to an inside of the second supporting mechanism 3 to facilitate connection of the bushing body 5, and the bushing body 5 is fixedly connected to an inside of the inner sleeve 4.

The equal fixedly connected with locating plate 6 of the left and right sides wall of 1 inner chamber of overcoat, the left and right sides of endotheca 4 and the inside fixedly connected with slide bar 7 that is located locating plate 6, bush body 5 takes the in-process that endotheca 4 removed, slide bar 7 can be at the inside activity of locating plate 6, promote the stability that bush body 5 removed the in-process, the shock attenuation effect has been guaranteed, the gas pocket that two are no less than in quantity is seted up to the surface of overcoat 1, make things convenient for the heat dissipation of bush body 5, and evenly distributed is at the surface of overcoat 1.

Referring to fig. 2, in order to achieve vertical shock absorption of the bushing, the first supporting mechanism 2 in this embodiment includes a supporting block 201 fixedly connected to an inner wall of the outer sleeve 1, and supports and positions the positioning rod 202, the positioning rod 202 is fixedly connected to an inside of the supporting block 201, a movable plate 203 is fixedly connected to an outside of the positioning rod 202, the movable plate 203 drives the second supporting mechanism 3 to move simultaneously when the positioning rod 202 moves inside, a second spring 204 is fixedly connected between the movable plate 203 and one side of the supporting block 201 opposite to the supporting block, and the second spring 201 is pressed during movement of the movable plate 203.

The internal diameter of supporting shoe 201 and the external diameter looks adaptation of locating lever 202, the internal diameter of movable plate 203 and the external diameter looks adaptation of locating lever 202, and movable plate 203 is towards second spring 204 direction, makes the power of giving second spring 204 be vertically, and support 301 fixed mounting is in the inside of movable plate 203, and movable plate 203 supports whole second supporting mechanism 3.

In this embodiment, in the process of moving the bushing body 5 up and down, the movable piece 203 is moved outside the positioning rod 202 and is in contact with the second spring 204, so that the horizontal vibration of the bushing body 5 is reduced.

Referring to fig. 3-5, in order to achieve horizontal damping of the bushing, the second supporting mechanism 3 in this embodiment includes a bracket 301 fixedly connected inside the first supporting mechanism 2, four sets of positioning plates 302 are fixedly connected to an outer surface of the bracket 301, the movable range of the movable ring 303 is limited and the first spring 304 is supported, the movable ring 303 is movably connected to an outer side of the bracket 301, the movable ring 303 moves on the outer side of the bracket 301 to apply pressure to the first spring 304, the first spring 304 is fixedly connected between the movable ring 303 and a side opposite to the positioning plates 302, and a supporting rod 305 is fixedly connected to a side of the movable ring 303 close to the inner sleeve 4 and used for supporting the bushing body 5.

The shape of support 301 is the annular, and the quantity of every group spacer 302 is two, and the internal diameter of spacer 302 and the external diameter looks adaptation of support 301, and the quantity of activity ring 303 is four and evenly distributed in the outside of support 301, and activity ring 303 makes first spring 304 atress more stable towards first spring 304 direction, and endotheca 4 fixed connection keeps away from the one end of activity ring 303 at bracing piece 305, and two are no less than to the quantity of supporting shoe 201.

In this embodiment, when the movable ring 303 moves outside the bracket 301, the pressure applied to the first spring 304 is horizontal, and when the movable ring 303 moves due to continuous vibration, the horizontal vibration of the bushing body 5 is effectively reduced through the first spring 304.

The working principle of the above embodiment is as follows:

(1) in the process of automobile shaft movement, the inner sleeve 4 is pressed through the bushing body 5, when the inner sleeve 4 is subjected to horizontal force, a rotating trend is generated, at the moment, the inner sleeve 4 can drive the movable ring 303 to move outside the support 301 through the support rod 305, the inner diameter of the movable ring 303 is matched with the outer diameter of the support 301, the stability in the moving process can be ensured, the pressure of the first spring 304 can be provided after the movable ring 303 moves, damping is formed in the process of continuously moving outside the support 301 along with the inner sleeve 4 driving the movable ring 303, and the horizontal vibration of the bushing body 5 is effectively reduced through the matching with the first spring 304.

(2) When car axle activity made interior cover 4 receive the vertical force, interior cover 4 can take the movable plate 203 to remove through bracing piece 305 and support 301, the activity that the movable plate 203 can not stop in the outside of locating lever 202 this moment, and contact with second spring 204, at the in-process of the 4 vibrations of interior cover, movable plate 203 reciprocates in the locating lever 202 outside and forms the damping, and slide bar 7 also can remove in the inside of locating plate 6, through locating plate 6 to slide bar 7's injecing, the stability of 5 removal in-process of bush body has further been guaranteed, consequently, cooperation through first supporting mechanism 2 and second supporting mechanism 3, can realize the diversified shock attenuation of bush body 5, further guarantee the stability of car axle rotation in-process.

It is noted that, herein, relational terms such as first and second, and the like may be 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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a modular plastics bush, includes overcoat (1), endotheca (4) and bush body (5), its characterized in that: the inner wall of the outer sleeve (1) is fixedly connected with a first supporting mechanism (2), the interior of the first supporting mechanism (2) is fixedly connected with a second supporting mechanism (3), the interior of the second supporting mechanism (3) is fixedly connected with an inner sleeve (4), and the interior of the inner sleeve (4) is fixedly connected with a lining body (5);

second supporting mechanism (3) include support (301) of fixed connection in first supporting mechanism (2) inside, the outer fixed surface of support (301) is connected with four sets of spacers (302), the outside swing joint of support (301) has activity ring (303), first spring (304) of fixedly connected with between one side that activity ring (303) and spacer (302) are relative, one side fixedly connected with bracing piece (305) that activity ring (303) are close to endotheca (4).

2. The modular plastic bushing of claim 1, wherein: the first supporting mechanism (2) comprises a supporting block (201) fixedly connected to the inner wall of the outer sleeve (1), a positioning rod (202) is fixedly connected to the inside of the supporting block (201), a movable piece (203) is fixedly connected to the outer side of the positioning rod (202), and a second spring (204) is fixedly connected between the movable piece (203) and the side, opposite to the supporting block (201).

3. The modular plastic bushing of claim 1, wherein: the left side wall and the right side wall of the inner cavity of the outer sleeve (1) are fixedly connected with positioning plates (6), and the left side wall and the right side wall of the inner sleeve (4) are fixedly connected with sliding rods (7) inside the positioning plates (6).

4. The modular plastic bushing of claim 1, wherein: the outer surface of the outer sleeve (1) is provided with at least two air holes which are uniformly distributed on the outer surface of the outer sleeve (1).

5. The modular plastic bushing of claim 1, wherein: the shape of support (301) is the annular, and every group quantity of spacer (302) is two, and the internal diameter of spacer (302) and the external diameter looks adaptation of support (301).

6. The modular plastic bushing of claim 1, wherein: the number of the movable rings (303) is four, the movable rings are uniformly distributed on the outer side of the support (301), and the movable rings (303) face the direction of the first spring (304).

7. The modular plastic bushing of claim 2, wherein: the inner sleeve (4) is fixedly connected to one end, far away from the movable ring (303), of the supporting rod (305), the number of the supporting blocks (201) is not less than two, and the inner diameter of each supporting block (201) is matched with the outer diameter of the corresponding positioning rod (202).

8. The modular plastic bushing of claim 2, wherein: the inner diameter of the movable plate (203) is matched with the outer diameter of the positioning rod (202), the movable plate (203) faces the direction of the second spring (204), and the support (301) is fixedly installed inside the movable plate (203).