CN218750985U

CN218750985U - Medical treatment guarantee car turn to structure

Info

Publication number: CN218750985U
Application number: CN202223263767.2U
Authority: CN
Inventors: 骆玉琪; 徐涛; 周平
Original assignee: JIANGSU AOXIN NEW ENERGY AUTOMOBILE CO Ltd
Current assignee: JIANGSU AOXIN NEW ENERGY AUTOMOBILE CO Ltd
Priority date: 2022-12-06
Filing date: 2022-12-06
Publication date: 2023-03-28
Anticipated expiration: 2032-12-06

Abstract

The utility model relates to an auto steering technical field, concretely relates to medical treatment guarantee car turn to structure. The steering device and the steering pump are respectively arranged on the left side and the right side of the frame; turn to the oil tank including turning to a jar body, oil tank lid, turn to a jar internal filter core that is equipped with, the top of filter core is passed through filter core spring and is connected with the oil tank lid, turn to the internal still horizontally fixed jar body filter screen that has of jar, jar body filter screen is located the filter core bottom with turn to under the jar body between the bottom surface. The steering gear and the steering pump are arranged separately, so that enough operation space is provided for mounting of each part; still through the structure of improving the steering oil tank, the oil pollution steering system who contains impurity when effectively having avoided the filter core damaged.

Description

Steering structure of medical support vehicle

Technical Field

The utility model relates to an auto steering technical field, concretely relates to medical treatment guarantee car turn to structure.

Background

The automobile steering system comprises a steering wheel, a steering shaft, a hydraulic cylinder or a steering gear, a steering pull rod and other components, the hydraulic cylinder or the steering gear is used for realizing power assistance, and the steering pull rod pulls a steering knuckle to rotate so as to complete the steering of the automobile.

The existing automobile steering system is mostly positioned in the front of an automobile frame, all the parts are connected through fasteners or pipelines, the installation positions of all the parts are relatively concentrated, the internal structure of the steering system is complex, butt joint installation among all the parts is not facilitated, a large amount of time is easily wasted during operation, and meanwhile, the problem that connection is not firm enough can be caused among all the parts when butt joint is carried out. At present, the demand of medical security vehicles is increased in a blowout mode, the period from production to qualified test of the vehicles is longer due to the complex structure of the conventional steering system, and the steering system which is reasonable in design, simple in structure and convenient to install is urgently needed.

In addition, the oil storage tank of the power-assisted oil of the steering system in the prior art is simple in structure, and is easy to damage under the pressure of the power-assisted oil after a filter element of the oil storage tank is blocked in the using process, so that impurities in the oil storage tank can enter the steering system through an oil outlet in the tank body, and the cleanliness of the steering system is damaged.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a steering structure of a medical support vehicle, which arranges a steering gear and a steering pump separately and provides enough operation space for installing each part; still through the structure of improving the steering oil tank, the oil pollution steering system who contains impurity when effectively having avoided the filter core damaged.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a medical treatment guarantee car turn to structure, includes steering gear, hangs down arm, drag link, the moment input end of steering gear is connected with the steering wheel through steering drive shaft part, the moment output end of steering gear pass through the spline with the one end fixed connection of hanging down the arm, hang down the arm the other end with the one end of drag link is rotated and is articulated, the other end of drag link and the wheel knuckle of front wheel are rotated and are articulated. When the steering wheel is rotated, the steering device appropriately transforms steering torque and steering angle from the steering wheel, then outputs the steering torque and steering angle to the drop arm and the drag link, and utilizes the drag link to pull the steering knuckle to realize the rotation of the wheels. Still include steering pump and steering oil tank, the steering pump through advance oil pipe to the steering gear fuel feeding, promptly the oil inlet of steering gear passes through advance oil pipe with the oil drain port of steering pump is connected, realizes the steering assist of steering gear, the oil return opening of steering gear is connected through oil return pipe and the oil tank oil inlet mouth of pipe of steering oil tank, the oil tank oil extraction mouth of pipe of steering oil tank through inhale oil pipe with the oil inlet of steering pump is connected.

The steering gear and the steering pump are respectively arranged on the left side and the right side of the frame, and the steering oil tank and the steering pump are arranged on the same side of the frame.

Furthermore, the torque output end of the steering gear is connected with a left front wheel steering knuckle sequentially through a plumbing arm and a straight pull rod, the steering gear, the plumbing arm and the straight pull rod are located on the left side of the frame, and the steering gear is fixedly connected with the outer side face of the left side of the frame through a steering gear mounting support. The steering pump is fixedly connected with the outer side face of the right side of the frame through a steering pump mounting support, and the steering oil tank is fixedly connected with the outer side face of the right side of the frame through an oil tank mounting support.

Further, turn to the oil tank including turning to a jar body, oil tank lid, turn to the internal filter core that is equipped with of jar, the filter media of filter core is cylindricly, the oil tank oil inlet mouth of pipe certainly turn to the bottom of a jar body and penetrate, the oil tank oil inlet mouth of pipe is located be equipped with step-like oil pipe boss on the lateral wall of the pipeline of the inside of turning to a jar body. The top of filter core is connected to through the filter core spring the oil tank lid, the top of filter core spring with oil tank lid fixed connection, the bottom of filter core spring with the top fixed connection of filter core. The inner cavity of the filter element is movably sleeved outside the oil inlet pipe orifice of the oil tank, and the pipe wall of the oil inlet pipe orifice of the oil tank, which is positioned in the inner cavity part of the filter element, is provided with an oil inlet through hole. And a sealing ring is fixed on the oil pipe boss, and the bottom end of the filter element is abutted against the sealing ring under the elastic force of the filter element spring. Turn to the internal level of jar and be fixed with a jar body filter screen, jar body filter screen is located the filter core bottom with turn to under the jar body between the bottom surface. The oil tank oil discharge pipe orifice penetrates from the bottom of the steering tank body, and the top end of the part, inside the steering tank body, of the oil tank oil discharge pipe orifice is lower than the height of the tank body filter screen.

Furthermore, an exhaust pipe orifice is fixedly arranged on the oil tank cover body, one end of the exhaust pipe orifice is positioned on the outer side of the oil tank cover body, and the other end of the exhaust pipe orifice is positioned in the steering tank body. An exhaust outlet is arranged at one end of the exhaust pipe orifice positioned at the outer side of the oil tank cover body, the exhaust pipe mouth is located turn to one of internal portion of jar and serves to have seted up the exhaust import, the exhaust import with the exhaust export is through exhaust communicating pipe intercommunication.

Compared with the prior art, the beneficial effects of the utility model are that:

the steering gear and the steering pump are separately arranged, and the steering oil tank and the steering pump are arranged on the same side of the frame, so that a larger space is formed at the front part of the frame, the requirement on the processing precision of parts is reduced, an enough operation space is provided for the installation of each part, and the improvement of the installation efficiency and the installation quality of each part is facilitated.

When the filter core takes place to block up, oil pressure increase in the inner chamber of filter core can upwards jack-up the filter core spring, oil in the filter core inner chamber from the bottom of filter core with discharge to turn to the jar internally between the sealing washer, through the jar body filter screen filters the back reentrant steering system, avoids the too big filter media damage that leads to the filter core of oil pressure, makes unfiltered oil get into steering system.

Drawings

Fig. 1 is one of the appearance diagrams of the steering structure of the medical support vehicle of the present invention.

Fig. 2 is a second external view of the steering structure of the medical support vehicle of the present invention.

Fig. 3 is a left side view of the steering structure of the medical support vehicle.

Fig. 4 is a front sectional view of the steering oil tank of the present invention.

Fig. 5 is a front sectional view of the oil inlet pipe orifice of the middle oil tank of the utility model.

Fig. 6 is a front sectional view of the middle exhaust pipe orifice of the present invention.

In the figure: 1. the steering device comprises a steering device, 2, a steering pump, 3, a steering oil tank, 301, a steering tank body, 302, an oil tank cover body, 4, a vertical arm, 5, a drag link, 6, an oil inlet pipe, 7, an oil return pipe, 8, an oil suction pipe, 9, a steering device mounting support, 10, a steering pump mounting support, 11, an oil tank mounting support, 12, a filter core, 13, an oil tank oil inlet pipe orifice, 1301, an oil inlet through hole, 14, an oil tank oil outlet pipe orifice, 15, a tank body filter screen, 16, an air exhaust pipe orifice, 1601, an exhaust inlet, 1602, an exhaust outlet, 1603 and an exhaust communicating pipe.

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 belong to the protection scope of the present invention.

As shown in fig. 1 to 3, the steering structure of the medical support vehicle comprises a steering gear 1, a drop arm 4 and a drag link 5, wherein a torque input end of the steering gear 1 is connected with a steering wheel through a steering transmission shaft component, a torque output end of the steering gear 1 is fixedly connected with one end of the drop arm 4 through a spline, the other end of the drop arm 4 is rotatably hinged with one end of the drag link 5, and the other end of the drag link 5 is rotatably hinged with a wheel steering knuckle of a front wheel. When the steering wheel is rotated, the steering device 1 appropriately converts steering torque and steering angle from the steering wheel, then outputs the steering torque and steering angle to the drop arm 4 and the drag link 5, and utilizes the drag link 5 to pull a steering knuckle to realize the rotation of wheels. The method is characterized in that: still include steering pump 2 and steering oil jar 3, steering pump 2 through advance oil pipe 6 to 1 fuel feeding of steering gear, promptly the oil inlet of steering gear 1 passes through advance oil pipe 6 with the oil drain port of steering pump 2 is connected, realizes the power assisted steering of steering gear 1, the oil return port of steering gear 1 passes through oil return pipe 7 and is connected with the oil tank oil inlet mouth of pipe 13 of steering oil jar 3, the oil tank oil drain mouth of pipe 14 of steering oil jar 3 through inhale oil pipe 8 with the oil inlet of steering pump 2 is connected. The oil in the steering oil tank 3 is conveyed into the steering gear 1 by the steering pump 2, and the oil discharged by the steering gear 1 returns to the steering oil tank 3 through the oil return pipe 7 to form an oil supply loop.

As shown in fig. 2, the steering gear 1 and the steering pump 2 are respectively arranged on the left side and the right side of the frame, the steering oil tank 3 and the steering pump 2 are arranged on the same side of the frame, and the steering gear 1, the steering pump 2 and the steering oil tank 3 are separately arranged, so that a larger space is formed in the front of the frame, the requirement on the processing precision of parts is reduced, an enough operation space is provided for the installation of each part, and the improvement of the installation efficiency and the installation quality of each part is facilitated.

In practical application, as shown in fig. 1, a torque output end of the steering gear 1 is connected with a left front wheel steering knuckle sequentially through a plumbing arm 4 and a drag link 5, the steering gear 1, the plumbing arm 4 and the drag link 5 are all located on the left side of a frame, and the steering gear 1 is fixedly connected with the outer side face of the left side of the frame through a steering gear mounting bracket 9. The steering pump 2 is fixedly connected with the outer side face of the right side of the frame through a steering pump mounting bracket 10, and the steering oil tank 3 is fixedly connected with the outer side face of the right side of the frame through an oil tank mounting bracket 11. The steering gear 1, the steering pump 2 and the steering oil tank 3 are fixedly connected with the outer side face of the frame, and the bottom space on the front side of the frame is further saved.

In practical applications, as shown in fig. 4, the steering tank 3 includes a steering tank body 301 and a tank cover body 302, the top of the steering tank body 301 is open, and the tank cover body 302 is fixed to the open top of the steering tank body 301, so that a sealed space is formed in the steering tank body 301. Turn to jar and be equipped with filter core 12 in the body 301, the filter media of filter core 12 is cylindricly, oil tank oil inlet pipe mouth 13 certainly turn to the bottom of the body 301 and penetrate, oil tank oil inlet pipe mouth 13 is located turn to be equipped with step-like oil pipe boss on the lateral wall of the pipeline of the inside of the body 301. The top end of the filter element 12 is connected to the oil tank cover body 302 through a filter element spring 17, the top end of the filter element spring 17 is fixedly connected with the oil tank cover body 302, and the bottom end of the filter element spring 17 is fixedly connected with the top end of the filter element 12.

As shown in fig. 5, the inner cavity of the filter element 12 is movably sleeved outside the oil tank oil inlet pipe opening 13, and the pipe wall of the oil tank oil inlet pipe opening 13 located in the inner cavity of the filter element 12 is provided with an oil inlet through hole 1301. Be fixed with sealing washer 18 on the oil pipe boss under filter core spring 17's elasticity, the bottom butt of filter core 12 is in on the sealing washer 18, sealing washer 18 realizes the bottom of filter core 12 with sealed between the oil pipe boss prevents to treat filterable oil not pass through the filter media of filter core 12 filters and directly follows the bottom of filter core 12 with gap department between the oil pipe boss flows. It is fixed with jar body filter screen 15 still the level in jar body 301 to turn to, jar body filter screen 15 is located 12 bottoms of filter core with turn to between jar body 301 lower bottom surface. The oil tank oil drain pipe orifice 14 penetrates from the bottom of the steering tank body 301, and the top end of the part, inside the steering tank body 301, of the oil tank oil drain pipe orifice 14 is lower than the height of the tank body filter screen 15. Oil to be filtered enters the inner cavity of the filter element 12 from the oil inlet through hole 1301, enters the steering tank body 301 after being filtered by filter materials, and then is discharged out of the steering tank body 301 through the tank body filter screen 15 and the oil tank oil discharge pipe orifice 14 in sequence.

When the filter core 12 takes place to block up, if oil tank oil inlet pipe mouth 13 continues to the inner chamber oil feeding of filter core 12 can lead to pressure grow in the inner chamber of filter core 12, the oil pressure can upwards jack-up filter core spring 17, oil in the inner chamber of filter core 12 from the bottom of filter core 12 with discharge to turning to in the jar body 301 between the sealing washer 18, the oil that contains impurity is after the filtration of jar body filter screen 15, discharges to outside turning to jar body 301 through oil tank oil drain pipe mouth 14 again. Consequently filter core spring 17 plays the effect of pressure release, avoids the too big filter media that leads to filter core 12 of oil pressure damaged, and jar body filter screen 15 can filter the oil that contains impurity, and when avoiding filter core 12 to block up, impurity pollution a steering system.

In practical applications, as shown in fig. 6, the oil tank cover body 302 is further fixedly provided with an air exhaust nozzle 16, one end of the air exhaust nozzle 16 is located outside the oil tank cover body 302, and the other end thereof is located inside the steering tank body 301. An exhaust outlet 1602 is provided at one end of the exhaust pipe orifice 16 located outside the oil tank cover 302, an exhaust inlet 1601 is provided at one end of the exhaust pipe orifice 16 located inside the steering tank 301, and the exhaust inlet 1601 is communicated with the exhaust outlet 1602 through an exhaust communicating pipe 1603. The gas in the steering tank body 301 can be discharged out of the steering tank body 301 through the exhaust pipe orifice 16, so that the excessive pressure in the steering tank body 301 is avoided.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. The directional indicators such as front, back, left, right, end, front, etc. are only used for describing the structure, but not for limitation. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes may 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 medical treatment guarantee car turn to structure, includes steering gear (1), hangs down arm (4), drag link (5), its characterized in that: the steering pump (2) supplies oil to the steering gear (1) through an oil inlet pipe (6) to realize the steering power of the steering gear (1), an oil return port of the steering gear (1) is connected with an oil tank oil inlet pipe orifice (13) of the steering oil tank (3) through an oil return pipe (7), and an oil tank oil discharge pipe orifice (14) of the steering oil tank (3) is connected with an oil inlet of the steering pump (2) through an oil suction pipe (8);

the steering gear (1) and the steering pump (2) are respectively arranged on the left side and the right side of the frame, and the steering oil tank (3) and the steering pump (2) are arranged on the same side of the frame.

2. The steering structure of the medical care vehicle as claimed in claim 1, wherein: the moment output end of the steering gear (1) is connected with a left front wheel steering knuckle sequentially through a plumbing arm (4) and a straight pull rod (5), the steering gear (1), the plumbing arm (4) and the straight pull rod (5) are all located on the left side of the frame, and the steering gear (1) is fixedly connected with the outer side face of the left side of the frame through a steering gear mounting bracket (9); the steering pump (2) is fixedly connected with the outer side face of the right side of the frame through a steering pump mounting support (10), and the steering oil tank (3) is fixedly connected with the outer side face of the right side of the frame through an oil tank mounting support (11).

3. The steering structure of the medical care vehicle as claimed in claim 1, wherein: the steering oil tank (3) comprises a steering tank body (301) and an oil tank cover body (302), a filter element (12) is arranged in the steering tank body (301), filter materials of the filter element (12) are cylindrical, an oil tank oil inlet pipe orifice (13) penetrates from the bottom of the steering tank body (301), and a step-shaped oil pipe boss is arranged on the outer side wall of a pipeline, located inside the steering tank body (301), of the oil tank oil inlet pipe orifice (13); the top end of the filter element (12) is connected to the oil tank cover body (302) through a filter element spring (17); the inner cavity of the filter element (12) is movably sleeved on the outer side of the oil tank oil inlet pipe orifice (13), and an oil inlet through hole (1301) is formed in the pipe wall of the oil tank oil inlet pipe orifice (13) positioned in the inner cavity of the filter element (12); a sealing ring (18) is fixed on the oil pipe boss, and the bottom end of the filter element (12) is abutted against the sealing ring (18) under the elastic force of the filter element spring (17); a tank body filter screen (15) is further horizontally fixed in the steering tank body (301), and the tank body filter screen (15) is positioned between the bottom end of the filter element (12) and the lower bottom surface of the steering tank body (301); the oil tank oil drain pipe orifice (14) penetrates from the bottom of the steering tank body (301), and the top end of the part, inside the steering tank body (301), of the oil tank oil drain pipe orifice (14) is lower than the height of the tank body filter screen (15).

4. The steering structure of the medical care vehicle as claimed in claim 3, wherein: an exhaust pipe orifice (16) is further fixedly arranged on the oil tank cover body (302), one end of the exhaust pipe orifice (16) is positioned on the outer side of the oil tank cover body (302), and the other end of the exhaust pipe orifice is positioned in the steering tank body (301); an exhaust outlet (1602) is formed in one end, located on the outer side of the oil tank cover body (302), of the exhaust pipe orifice (16), an exhaust inlet (1601) is formed in one end, located inside the steering tank body (301), of the exhaust pipe orifice (16), and the exhaust inlet (1601) is communicated with the exhaust outlet (1602) through an exhaust communicating pipe (1603).