CN217271403U - Connecting rod bushing - Google Patents

Abstract

The utility model discloses a connecting rod bush, including cross axle and lug, coupling assembling is installed to the outer wall of cross axle, the tip fixed connection with the spiale in the middle of the one end of lug, the one end of spiale and the tip fixed connection of button head, the top of cross axle is provided with seal assembly. This connecting rod bush, the fixture block card that the endotheca drove both sides is in the inboard draw-in groove of overcoat, the endotheca is fixed in the overcoat, make the overcoat inlayer can superpose, can adjust the use according to the diameter size of cross axle, can install less cross axle, this component has been solved, because the size is fixed, if install less connecting rod, can't be according to the problem that the stack of connecting rod size was used, external lubricating oil passes through the overcoat through the hydraulic fluid port of both sides, the endotheca is arranged on the cross axle, make lubricated between endotheca and the cross axle, then stretch into the hydraulic fluid port with the montant, then in the rubber buffer stopper hydraulic fluid port, make the hydraulic fluid port seal, prevent that the hydraulic fluid port blocks up, do benefit to secondary oiling, this component has been solved, because the hydraulic fluid port can not seal, the problem of easy jam.

Description

Connecting rod bush

Technical Field

The utility model relates to a bush technical field specifically is a connecting rod bush.

Background

In the moving part, because the wearing and tearing of part caused by long-term friction, when the clearance wearing and tearing of axle and hole reaches certain degree the part must be changed, therefore the designer chooses the material that hardness is lower, the better wearability to be the axle sleeve or bush during design, can reduce the wearing and tearing of axle and seat like this, when axle sleeve or bush wear and tear to certain degree and change, can practice thrift because the cost of changing axle or seat like this, generally speaking, the bush adopts interference fit with the seat, and adopts clearance fit with the axle, because no matter how still can not avoid wearing and tearing, can only prolong the life.

For example, patent number is CN202022068263.X, a connecting rod bush, including being the cylindric cover body, the cover body includes port and lower port, though the middle part of the internal wall of cover is provided with interior annular oil groove in this component, interior annular oil groove is linked together with the convolute oil groove, the crossing department of interior annular oil groove and convolute oil groove is provided with the oilhole, the oilhole link up three branch cover body, the bush has wear-resisting shock attenuation and subtracts fiddly, non-deformable, quick detachable and lubricated better effect, but this component, because the size is fixed, if install less connecting rod, can't be according to the problem that connecting rod size stack was used, there is this component simultaneously, because the oiling mouth can not seal, the problem of easy jam.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a connecting rod bush to this component that proposes in solving above-mentioned background art, because the size is fixed, if install less connecting rod, can't be according to the problem that connecting rod size stack used.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a connecting rod bush, includes cross axle and lug, coupling assembling is installed to the outer wall of cross axle, the tip fixed connection with the spiale in the middle of the one end of lug, the one end of spiale and the tip fixed connection of button head, the top of cross axle is provided with seal assembly. The cross shaft, the convex block, the connecting shaft and the round head form a connecting rod.

Preferably, coupling assembling includes the endotheca, the outer wall laminating of endotheca has the overcoat, the equal rigid coupling in both ends of endotheca has the fixture block, the outer wall of fixture block all laminates with the internal surface of draw-in groove mutually, the draw-in groove is seted up at the outside inner wall of overcoat. A smaller cross shaft may be installed.

Preferably, the inner wall of the inner sleeve is in clearance fit with the outer wall of the transverse shaft.

Preferably, seal assembly includes the hydraulic fluid port, the hydraulic fluid port is seted up respectively at the top outside inner wall of endotheca and overcoat, the equal clearance fit in internal surface of hydraulic fluid port has the montant, the equal rigid coupling in top of montant has the rubber buffer. The oil port is prevented from being blocked.

Preferably, a projection is fixedly connected to one end of the transverse shaft. The lateral axis supports the bumps.

Compared with the prior art, the beneficial effects of the utility model are that: compared with the prior art, the connecting rod bushing has the following advantages:

through the matching between the cross shaft and the connecting assembly, the inner sleeve drives the clamping blocks at two sides to be clamped in the clamping grooves at the inner side of the outer sleeve, so that the inner sleeve is fixed in the outer sleeve, the inner layer of the outer sleeve can be superposed, the outer sleeve can be adjusted and used according to the diameter of the cross shaft, and a smaller cross shaft can be installed, thereby solving the problem that the component cannot be superposed and used according to the size of the connecting rod if the smaller connecting rod is installed due to fixed size;

through the cooperation between cross axle, coupling assembling and the seal assembly, external lubricating oil passes through the hydraulic fluid port of both sides on overcoat, endotheca row arrive the cross axle, makes and lubricates between endotheca and the cross axle, then stretches into the hydraulic fluid port with the montant, then in the rubber buffer stopper oil port, makes the hydraulic fluid port seal, prevents that the hydraulic fluid port from blockking up, does benefit to the secondary oiling, has solved this component, because the oil filler port can not seal, the problem of easy jam.

Drawings

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

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a schematic view of the structure A in FIG. 1;

FIG. 4 is a schematic diagram of B in FIG. 2;

fig. 5 is a schematic structural diagram of C in fig. 2.

In the figure: 1. the device comprises a transverse shaft, 2, a convex block, 3, a connecting shaft, 4, a connecting assembly, 401, an inner sleeve, 402, an outer sleeve, 403, a clamping block, 404, a clamping groove, 5, a T-shaped hole, 6, a bolt, 7, a threaded hole, 8, a sealing assembly, 801, an oil port, 802, a vertical rod, 803, a rubber plug, 9 and a round head.

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 all belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-5, the present invention provides a technical solution: the connecting rod bushing comprises a transverse shaft 1 and a convex block 2, wherein a connecting assembly 4 is installed on the outer wall of the transverse shaft 1, the middle of one end of the convex block 2 is fixedly connected with the end part of a connecting shaft 3, one end of the connecting shaft 3 is fixedly connected with the end part of a round head 9, a sealing assembly 8 is arranged above the transverse shaft 1, the convex block 2 is fixedly connected with one end of the transverse shaft 1, and the transverse shaft 1, the convex block 2, the connecting shaft 3 and the round head 9 form a connecting rod.

The connecting assembly 4 comprises an inner sleeve 401, an outer sleeve 402, a clamping block 403 and a clamping groove 404, the outer wall of the inner sleeve 401 is attached to the outer sleeve 402, the clamping block 403 is fixedly connected to two ends of the inner sleeve 401, the outer wall of the clamping block 403 is attached to the inner surface of the clamping groove 404, the clamping groove 404 is formed in the outer side inner wall of the outer sleeve 402, the inner sleeve 401 drives the clamping blocks 403 on two sides to be clamped in the clamping groove 404 on the inner side of the outer sleeve 402, the inner sleeve 401 is fixed in the outer sleeve 402, and the inner wall of the inner sleeve 401 is in clearance fit with the outer wall of the transverse shaft 1;

through the cooperation between the cross shaft 1 and the connecting assembly 4, the inner sleeve 401 drives the clamping blocks 403 on the two sides to be clamped in the clamping grooves 404 on the inner side of the outer sleeve 402, so that the inner sleeve 401 is fixed in the outer sleeve 402, the inner layers of the outer sleeve 402 can be overlapped, the use can be adjusted according to the diameter of the cross shaft 1, and the smaller cross shaft 1 can be installed.

The sealing assembly 8 comprises an oil port 801, vertical rods 802 and rubber plugs 803, the oil port 801 is respectively arranged on the inner wall of the upper outer side of the inner sleeve 401 and the outer sleeve 402, external lubricating oil is discharged onto the transverse shaft 1 through the oil ports 801 on the two sides through the outer sleeve 402 and the inner sleeve 401, so that the inner sleeve 401 and the transverse shaft 1 are lubricated, the vertical rods 802 are in clearance fit with the inner surfaces of the oil ports 801, the rubber plugs 803 are fixedly connected to the top ends of the vertical rods 802, and the rubber plugs 803 are made of fluororubber materials;

through the cooperation between cross axle 1, coupling assembling 4 and sealing assembly 8, outside lubricating oil is arranged to cross axle 1 through outer cover 402, endotheca 401 through the oil port 801 of both sides, makes lubricated between endotheca 401 and the cross axle 1, then stretches into oil port 801 with montant 802, then rubber buffer 803 stopper in oil port 801, makes oil port 801 seal, prevents that oil port 801 from blockking up, does benefit to the secondary oiling.

The working principle is as follows:

when the connecting rod bushing is used, firstly, a transverse shaft 1, a convex block 2, a connecting shaft 3 and a round head 9 form a connecting rod, the inner sleeve 401 drives clamping blocks 403 on two sides to be clamped in clamping grooves 404 on the inner side of the outer sleeve 402, then the inner sleeve 401 is fixed in the outer sleeve 402, the inner layers of the outer sleeve 402 can be overlapped, the transverse shaft 1 extends into the inner sleeve 401, external lubricating oil is discharged onto the transverse shaft 1 through oil ports 801 on two sides through the outer sleeve 402 and the inner sleeve 401, lubrication is carried out between the inner sleeve 401 and the transverse shaft 1, after oil is injected, a vertical rod 802 extends into the oil port 801, a rubber plug 803 is plugged into the oil port 801, and the oil port 801 is sealed.

Example 2

Referring to fig. 1, 2 and 4, the present invention provides a technical solution: a connecting rod bush, wherein the connecting assembly 4 can also include T-shaped hole 5, bolt 6 and screwed hole 7, T-shaped hole 5 is set up in the middle inner wall above outer jacket 402 and inner jacket 401, the internal surface clearance fit of T-shaped hole 5 has bolt 6, place bolt 6 in T-shaped hole 5, the external wall below bolt 6 is connected with internal surface screw thread of screwed hole 7, screwed hole 7 is set up in the middle inner wall above cross axle 1;

the bolt 6 is placed in the T-shaped hole 5 through the matching between the transverse shaft 1 and the connecting assembly 4, and the bolt 6 is rotated by an external screwdriver, so that the bolt 6 is connected into the threaded hole 7 on the transverse shaft 1, the transverse shaft 1 is fixed in the inner sleeve 401 stably, and the transverse shaft 1 is prevented from being separated from the inner sleeve 401.

The working principle is as follows:

when using the link bushing, first, the bolt 6 is placed in the T-shaped hole 5, and when the bolt 6 is turned by an external screwdriver, the bolt 6 is engaged with the screw hole 7 of the lateral shaft 1, and the lateral shaft 1 is fixed and stabilized in the inner sleeve 401.

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 (5)

1. A connecting rod bushing comprising a transverse shaft (1) and a cam (2), characterized in that: coupling assembling (4) are installed to the outer wall of cross axle (1), the tip fixed connection of the middle and spiale (3) of one end of lug (2), the tip fixed connection of the one end of spiale (3) and button head (9), the top of cross axle (1) is provided with seal assembly (8).

2. The connecting rod bushing of claim 1, wherein: coupling assembling (4) include endotheca (401), the outer wall laminating of endotheca (401) has overcoat (402), the equal rigid coupling in both ends of endotheca (401) has fixture block (403), the outer wall of fixture block (403) all laminates with the internal surface of draw-in groove (404) mutually, the outside inner wall at overcoat (402) is seted up in draw-in groove (404).

3. The connecting rod bushing of claim 2, wherein: the inner wall of the inner sleeve (401) is in clearance fit with the outer wall of the transverse shaft (1).

4. The connecting rod bushing of claim 1, wherein: seal assembly (8) include hydraulic fluid port (801), hydraulic fluid port (801) are seted up respectively at the top outside inner wall of endotheca (401) and overcoat (402), the equal clearance fit in internal surface of hydraulic fluid port (801) has montant (802), the equal rigid coupling in top of montant (802) has rubber buffer (803).

5. The connecting rod bushing of claim 1, wherein: one end of the transverse shaft (1) is fixedly connected with a convex block (2).

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