Shaft sleeve type cross shaft

Abstract

The utility model relates to the technical field of cross shafts, in particular to a shaft sleeve type cross shaft which comprises a cross shaft body, a connecting rod connected with the cross shaft body, a shaft sleeve connected with one end of the connecting rod, a cavity arranged inside the cross shaft body, an oil bin arranged inside the cavity, an extrusion plate arranged inside the oil bin, a guide rod connected with the extrusion plate, and a pressing plate connected with the guide rod. A sponge column is arranged in the oil bin, a fixing ring is arranged outside the guide rod, pressure springs are symmetrically arranged at the top of the fixing ring, a lever is arranged at the bottom of the extrusion rod, a hinge seat, a cavity and a connecting rod are arranged at the position, close to the center, of the lever, a channel is formed in the connecting rod in a penetrating mode, a baffle is arranged at one end of the lever, and a limiting plate is arranged on one side face of the baffle. By means of the structure of the guide rod, the extrusion rod, the lever, the hinge seat, the channel, the baffle, the limiting plate and the compression spring, the problems that the lubricating effect is not uniform enough and grease cannot be supplemented due to different flowing paths and speeds of the grease are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to cross axle technical field, concretely is a shaft sleeve type cross axle. BACKGROUND

[0002] Cross axle is also called cross byte, namely universal joint, english name universal joint, it is the machine part that realizes variable angle power transmission, is used to the position that needs to change transmission axis direction, it is the "joint" part of the universal transmission device of automobile drive system. Cross axle type rigid universal joint is the unequal speed universal joint widely used on the car, allows the maximum intersection angle of adjacent two shafts to be 15~20, and the cross axle is one of the key parts of the cross axle type rigid universal joint.

[0003] And the application file with the publication number CN219691972U mentions a shaft sleeve type cross axle, when the cross axle needs to be maintained after using the longer end for a long time, the guide rod can be pressed down, so that the guide rod pushes the baffle to slide down on the outer wall of the two taper rods, when the baffle slides down on the outer wall of the taper rod, the gap between the inner wall of the baffle and the outer wall of the taper rod becomes larger, so that the grease above the baffle flows into the lower part of the baffle through the gap between the baffle and the taper rod, the grease flows out of the connecting rod into the inside of the shaft sleeve through the inclined design of the first channel and the third channel, so that the cross axle can be lubricated, such design makes the cross axle convenient to oil, easy to maintain, improves the service life of the cross axle, but still has certain defects, needs to be optimized, and the specific defects are as follows: in the structure, due to the different paths and speeds of grease flow, the lubrication effect is not uniform, and the grease cannot be supplemented.

[0004] Therefore, it is particularly important to design a shaft sleeve type cross axle to change the above technical defects and improve the overall practicability. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a shaft sleeve type cross axle to solve the problems in the above background art.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] The utility model provides a kind of bush type cross shaft, including cross shaft body, the cross shaft body connects link rod, one end of the link rod is equipped with connecting rod, one end of the connecting rod is connected bush, the inside of the cross shaft body is equipped with cavity, the inside of the cavity is equipped with oil reservoir, the inside of the oil reservoir is equipped with extrusion plate, the extrusion plate connects guide rod, the guide rod connects pressure plate, the inside of the oil reservoir is equipped with sponge column, the outside of the guide rod is equipped with fixed ring, the top of the fixed ring is symmetrically equipped with compression spring, a plurality of extrusion rods are equipped with at equal intervals on the fixed ring, the bottom of the extrusion rod is equipped with lever, the near center of the lever is equipped with hinged seat, the inside of the cavity, link rod, connecting rod is equipped with channel, one end of the lever is equipped with baffle, one side of the baffle is equipped with limit plate.

[0008] As the preferred scheme of the utility model, the link rod, the connecting rod and the bush are respectively provided with four groups, and are in a cross shape, and the oil reservoir is provided with annular grid along the circumference at the bottom end.

[0009] As the preferred scheme of the utility model, the bottom of the oil reservoir is provided with threaded slot, and the inside of the threaded slot is provided with sealing end, and the sealing end is matched with the threaded slot.

[0010] As the preferred scheme of the utility model, the guide rod and the pressure plate are arranged through the cross shaft body, and the guide rod is provided with sealing ring at the contact position with the cross shaft body.

[0011] As the preferred scheme of the utility model, one end of the compression spring is fixedly connected with the side wall of the cavity, and the other end of the compression spring is fixedly connected with the fixed ring.

[0012] As the preferred scheme of the utility model, the extrusion rod is provided with four groups, one end of the extrusion rod is provided with extrusion pad, the position of the baffle is opposite to the position of the channel, and the limit plate is fixedly connected with the baffle.

[0013] As the preferred scheme of the utility model, the side wall of the cavity is provided with guide rail, and the baffle is provided with sliding sleeve matched with the guide rail.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] 1. The utility model discloses a kind of bushed cross shafts, utilize the structure of guide rod, pressure plate, sponge column, fixed ring, extruding rod, lever, hinged seat, passageway, baffle, limit plate, compression spring, by pressing pressure plate makes that guide rod pushes extruding plate and moves downwards in oil storehouse, extruding sponge column releases lubricating oil, simultaneously, the movement of extruding plate drives extruding rod on fixed ring, by the cooperation of lever and hinged seat, make baffle directional up and down in cavity along guide rail move, expose passageway, lubricating oil is transported to link rod, connecting rod and bushing place by the annular grid and internal passageway of oil bottom, realize lubrication, when external pressure disappears, compression spring drives extruding plate reset, when lubricating oil in oil storehouse is insufficient, it can be supplemented by plugging end head of threaded slot, solve the problem that lubrication effect is not enough uniform due to different path and speed of butter flow, and butter cannot be supplemented. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is the overall structural diagram of the utility model;

[0017] Fig. 2 It is the overall plane schematic diagram of the utility model;

[0018] Fig. 3 It is the schematic diagram of extruding plate assembly of the utility model.

[0019] In the drawing: 1, cross shaft body;101, link rod;102, bushing;103, connecting rod;2, cavity;201, oil storehouse;202, extruding plate;203, guide rod;204, pressure plate;205, sponge column;206, fixed ring;207, extruding rod;208, lever;209, hinged seat;210, passageway;211, baffle;212, limit plate;213, compression spring. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments, based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without doing creative work belong to the scope of the utility model protection.

[0021] In order to facilitate understanding of the utility model, the utility model will be described more fully below with reference to relevant drawings. Several embodiments of the utility model are given. However, the utility model can be realized in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0022] It should be understood that when an element is referred to as being "on" another element, it can be directly on the other element or intervening elements can also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements can also be present. As used herein the terms "vertical", "horizontal", "left", "right" and similar terms are used for explanation purposes only.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0024] Embodiment, please refer to Figs. 1-3 The application provides a technical scheme:

[0025] A shaft sleeve type cross shaft, comprising a cross shaft body 1, the cross shaft body 1 is connected with a connecting rod 101, one end of the connecting rod 101 is provided with a connecting rod 103, one end of the connecting rod 103 is connected with a shaft sleeve 102, the inside of the cross shaft body 1 is provided with a cavity 2, the inside of the cavity 2 is provided with an oil reservoir 201, the inside of the oil reservoir 201 is provided with an extrusion plate 202, the extrusion plate 202 is connected with a guide rod 203, the guide rod 203 is connected with a pressure plate 204, the inside of the oil reservoir 201 is provided with a sponge column 205, the outside of the guide rod 203 is provided with a fixing ring 206, the top of the fixing ring 206 is symmetrically provided with a compression spring 213, a plurality of extrusion rods 207 are equidistantly arranged on the fixing ring 206, the bottom of the extrusion rod 207 is provided with a lever 208, the near center of the lever 208 is provided with a hinged seat 209, the inside of the cavity 2, the connecting rod 101 and the connecting rod 103 is provided with a channel 210, one end of the lever 208 is provided with a baffle 211, one side of the baffle 211 is provided with a limiting plate 212, when the cross shaft needs to be maintained after being used for a long time, the pressure plate 204 can be pressed to push the extrusion plate 202 to move downwards in the oil reservoir 201 through the guide rod 203, the sponge column 205 is extruded to release lubricating oil, at the same time, the movement of the extrusion plate 202 drives the extrusion rod 207 on the fixing ring 206, through the cooperation of the lever 208 and the hinged seat 209, the baffle 211 moves upwards and downwards in the cavity 2 along the guide rail, the channel 210 is exposed, the lubricating oil is transported to the connecting rod 101, the connecting rod 103 and the shaft sleeve 102 through the annular grid at the bottom of the oil reservoir 201 and the internal channel 210 to realize lubrication, when the external pressure disappears, the compression spring 213 drives the extrusion plate 202 to reset, when the lubricating oil in the oil reservoir 201 is insufficient, the sealing end head at the threaded slot can be used for supplementing;

[0026] The connecting rod 101, connecting rod 103, and bushing 102 are arranged in four sets in a cross shape. An annular grid runs through the circumference of the oil tank 201 near its bottom, facilitating the overflow of internal lubricating oil when the extrusion plate squeezes the sponge column. The bottom of the oil tank 201 has a threaded groove with a sealing end inside. The sealing end fits into the threaded groove, replenishing the lubricating oil inside the oil tank. The guide rod 203 and pressure plate 204 pass through the cross shaft 1, and a [missing information - likely a design feature] is provided at the contact point between the guide rod 203 and the cross shaft 1. It has a sealing ring to prevent leakage. One end of the compression spring 213 is fixedly connected to the side wall of the cavity 2, and the other end of the compression spring 213 is fixedly connected to the fixing ring 206 to facilitate the reset of the pressure plate. Four sets of extrusion rods 207 are provided. One end of the extrusion rod 207 is provided with an extrusion pad. The position of the baffle 211 is opposite to the position of the channel 210. The limiting plate 212 is fixedly connected to the baffle 211. Lubricating oil is delivered through the channel. One side wall of the cavity 2 is provided with a guide rail. The baffle 211 is provided with a sliding sleeve for matching the guide rail to facilitate the directional up and down displacement of the baffle.

[0027] The working process of this utility model is as follows: When using this type of bushing-type cross shaft, when the cross shaft needs maintenance after a long period of use, the pressure plate 204 can be pressed to push the extrusion plate 202 downward in the oil tank 201 through the guide rod 203, extruding the sponge column 205 to release lubricating oil. At the same time, the movement of the extrusion plate 202 drives the extrusion rod 207 on the fixed ring 206. Through the cooperation of the lever 208 and the hinge seat 209, the baffle 211 moves up and down in the cavity 2 along the guide rail, exposing the channel 210. The lubricating oil is transported to the connecting rod 101, the connecting rod 103 and the bushing 102 through the annular grid at the bottom of the oil tank 201 and the internal channel 210 to achieve lubrication. When the external pressure disappears, the compression spring 213 drives the extrusion plate 202 to reset. When the lubricating oil in the oil tank 201 is insufficient, it can be replenished through the sealing end at the threaded groove.

[0028] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A bushing-type cross shaft, comprising a cross shaft body (1), characterized in that: The cross shaft (1) is connected to a connecting rod (101). One end of the connecting rod (101) is provided with a connecting rod (103). One end of the connecting rod (103) is connected to a bushing (102). The cross shaft (1) has a cavity (2) inside. The cavity (2) has an oil tank (201) inside. The oil tank (201) has a compression plate (202) inside. The compression plate (202) is connected to a guide rod (203). The guide rod (203) is connected to a pressure plate (204). The oil tank (201) has a sponge column (205) inside. The guide rod (204) has a sponge column (205) inside. 3) is provided with a fixing ring (206) on the outside. The top of the fixing ring (206) is symmetrically provided with compression springs (213). Several compression rods (207) are provided at equal intervals on the fixing ring (206). The bottom of the compression rod (207) is provided with a lever (208). The lever (208) is provided with a hinge seat (209) near the center. The cavity (2), connecting rod (101), and connecting rod (103) are provided with a channel (210). One end of the lever (208) is provided with a baffle (211). One side of the baffle (211) is provided with a limiting plate (212).

2. The bushing-type cross shaft according to claim 1, characterized in that: The connecting rod (101), connecting rod (103), and bushing (102) are respectively arranged in four sets in a cross shape, and the oil tank (201) is provided with an annular grid along its circumference near the bottom.

3. A bushing-type cross shaft according to claim 1, characterized in that: The bottom of the oil tank (201) is provided with a threaded groove, and the inside of the threaded groove is provided with a sealing end, which is adapted to the threaded groove.

4. A bushing-type cross shaft according to claim 1, characterized in that: The guide rod (203) and the pressure plate (204) are arranged through the cross shaft body (1), and a sealing ring is provided at the contact point between the guide rod (203) and the cross shaft body (1).

5. A bushing-type cross shaft according to claim 1, characterized in that: One end of the compression spring (213) is fixedly connected to the side wall of the cavity (2), and the other end of the compression spring (213) is fixedly connected to the fixing ring (206).

6. A bushing-type cross shaft according to claim 1, characterized in that: The extrusion rod (207) is provided in four sets. One end of the extrusion rod (207) is provided with an extrusion pad. The position of the baffle (211) is opposite to the position of the channel (210). The limiting plate (212) and the baffle (211) are fixedly connected.

7. A bushing-type cross shaft according to claim 1, characterized in that: The cavity (2) has a guide rail on one side wall, and the baffle (211) has a sliding sleeve for matching the guide rail.

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