CN220842664U - Steering wheel capable of improving transmission stability - Google Patents

Abstract

The utility model discloses a steering gear capable of improving transmission stability, which comprises a pull rod, wherein one end of the surface of the pull rod is sleeved with a shell, one side of an inner cavity of the shell is inserted with a sliding block, one side of the shell is inserted with a spring cover attached to the sliding block, a spring is arranged in the sliding block, one end of the spring, which faces the spring cover, stretches into the spring cover, one side of the sliding block, which is far away from the spring cover, is provided with a groove, an adapter fitting with the pull rod is inserted in the groove, and the position of a gear rack structure of the steering gear is additionally provided with a collision structure.

Description

Steering wheel capable of improving transmission stability

Technical Field

The utility model relates to the technical field of steering gears, in particular to a steering gear capable of improving transmission stability.

Background

The steering gear commonly known as a steering gear can be divided into a gear rack type steering gear, a recirculating ball type steering gear, a worm roller type steering gear, a worm finger type steering gear and the like according to different structural characteristics, the existing mechanical steering gear is worn out in a long-time working process, so that the meshing clearance between the gear and the rack is larger, the power output is temporarily interrupted when the gear and the rack are meshed for transmission, the steering gear is difficult to work normally, and the safety of a user driving a vehicle is reduced.

The present utility model has been made in view of the above problems.

Disclosure of Invention

The utility model provides a steering gear capable of improving transmission stability, and solves the problems in the prior art in the use process.

The technical scheme of the utility model is realized as follows: the utility model provides a can improve steering wheel of transmission stability, includes the pull rod, the casing has been cup jointed to the one end on pull rod surface, peg graft in one side of casing inner chamber has the sliding block, peg graft in one side of casing has the spring cap of laminating on the sliding block, the inside of sliding block is provided with the spring, the spring stretches into the inside of spring cap towards the one end of spring cap, the sliding block is kept away from one side of spring cap and is seted up flutedly, peg graft in the inside of recess have with the adapter of pull rod looks adaptation, one side fixedly connected with end cover of pull rod, one side of spring cap runs through and is provided with the bolt, the spring cap passes through bolt fixed mounting on the end cover, the inside vertical grafting of casing has the pivot pole, the bottom fixed mounting of pivot pole has the gear piece, the bottom intercommunication of casing has the shell, the inside grafting of shell has the rack piece of butt joint on the pull rod, rack piece and gear piece meshing.

The steering wheel for improving transmission stability disclosed by the utility model is further provided with: the long dust cover and the dust cover are respectively sleeved at two ends of the surface of the pull rod, the small hoops and the large hoops are respectively sleeved at two sides of the surface of the long dust cover and two sides of the surface of the dust cover, the long dust cover is fixedly arranged on the pull rod through the small hoops and the large hoops, and the dust cover is fixedly arranged on the pull rod through the small hoops and the large hoops.

The steering wheel for improving transmission stability disclosed by the utility model is further provided with: one end of the shell is inserted with a fixed sleeve, and one side of the fixed sleeve is clamped with a high-pressure oil seal positioned in the inner cavity of the shell.

The steering wheel for improving transmission stability disclosed by the utility model is further provided with: the rack piece is matched with the adapting piece, the fixing sleeve is tightly attached to the surface of the rack piece, and the surface of the rack piece is sleeved with an oil seal gasket positioned in the inner cavity of the shell.

The steering wheel for improving transmission stability disclosed by the utility model is further provided with: the two sides of the shell are respectively communicated with a long oil pipe and a short oil pipe, and one ends of the long oil pipe and the short oil pipe, which are far away from the shell, are communicated with the shell.

The steering wheel for improving transmission stability disclosed by the utility model is further provided with: the top of casing is provided with the case shield of cup jointing on the pivot pole, upper cover seal screw is installed to the top embedding of casing inner chamber, the inner chamber of upper cover seal screw is provided with the low pressure oil seal that cup joints on the pivot pole, the sealing washer has been cup jointed to the bottom on upper cover seal screw surface, the sealing washer is hugged closely on the inner wall of casing.

The steering wheel for improving transmission stability disclosed by the utility model is further provided with: the inner wall of the shell is fixedly provided with a deep groove ball bearing, the rotating shaft rod is fixedly arranged on the inner wall of the deep groove ball bearing, the bottom of the surface of the rotating shaft rod is sleeved with a low-pressure oil seal II, and the low-pressure oil seal II is tightly attached to the inner wall of the shell.

In summary, the beneficial effects of the utility model are as follows:

1. According to the steering gear rack, the abutting structure is additionally arranged at the position of the steering gear rack structure, the gear is pushed to the rack at any time, so that the gear and the rack are tightly meshed all the time, meshing errors caused by deviation of the gear or the rack are avoided, power transmission is affected, normal operation of the steering gear is ensured, convenience is provided for use of a user, and safety of the user in driving a vehicle is improved.

2. According to the utility model, through the arrangement of the long dust cover and the dust cover, the long dust cover and the dust cover are fixed on the steering gear by adopting the small clamp and the large clamp and are positioned at the two ends of the steering gear, so that foreign matters can be prevented from being counted into the steering gear or even damaged in the running process of a vehicle, the steering gear can be ensured to work normally, the service life of the steering gear is prolonged, and the long dust cover and the dust cover are convenient for a user to disassemble and maintain the steering gear.

3. According to the utility model, through the arrangement of the fixing sleeve and the high-pressure oil seal, the fixing sleeve is used for being simultaneously arranged in the shell and on the tooth condition, so that the rack part is positioned at the center position of the inner cavity of the shell, the connection tightness of the tooth condition and the pull rod is ensured, and the high-pressure oil seal can seal the gap between the fixing sleeve and the tooth condition and between the fixing sleeve and the shell, and prevent oil leakage.

4. According to the utility model, through the arrangement of the tooth condition and the oil seal gasket, the oil seal gasket is used for being matched with an oil seal at the current position, so that an error gap between the oil seal and a rack piece is made up, the tight fit of the oil seal and the rack piece is ensured, and oil leakage is avoided.

5. According to the utility model, through the arrangement of the long oil pipe and the short oil pipe, the long oil pipe and the short oil pipe are used for supplying oil, so that the oil can be conveyed to a proper position according to the requirement, the steering gear can be fully lubricated, the normal work of the steering gear can be ensured, and convenience is provided for users.

6. According to the utility model, through the arrangement of the valve core dustproof cover, the upper cover sealing screw, the low-pressure oil seal I and the sealing ring, the valve core dustproof cover is arranged at the opening at the top end of the shell, and the opening at the top end of the shell can be sealed, so that dust can be prevented from entering the inside of the shell, thereby playing a dustproof role, the upper cover sealing screw is used for fixing the valve core dustproof cover on the shell, the tightness and the firmness of the connection between the valve core dustproof cover and the shell are ensured, and the low-pressure oil seal can prevent sediment, dust and water vapor from invading into the deep groove ball bearing from outside and simultaneously prevent grease from leaking, so that smooth and flexible work of the deep groove ball bearing is ensured, and convenience is provided for the use of users.

7. According to the utility model, through the arrangement of the deep groove ball bearing and the low-pressure oil seal, the deep groove ball bearing can smoothly rotate the rotating shaft rod during working, and the low-pressure oil seal can ensure the tightness between the rotating shaft rod and the connection of the shell during rotation of the rotating shaft rod, so that oil leakage is avoided.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic plan sectional view of the overall structure of the present utility model;

FIG. 2 is a schematic plan sectional view of a left-hand structure of the present utility model;

FIG. 3 is a schematic perspective view of the housing;

FIG. 4 is a schematic cross-sectional view of a slider and spring cover in perspective;

FIG. 5 is a perspective view of a spring assembly;

Fig. 6 is a schematic sectional view of a three-dimensional structure of a slider.

In the figure: 1. pull rod, 2, small clamp, 3, long dust cover, 4, fixed sleeve, 5, big clamp, 6, high-pressure oil seal, 7, tooth condition, 8, oil seal gasket, 9, shell, 10, long oil pipe, 11, short oil pipe, 12, dust cover, 13, rotating shaft lever, 14, case shield, 15, upper cover seal screw, 16, low pressure oil seal, 17, sealing washer, 18, deep groove ball bearing, 19, low pressure oil seal, 20, sliding block, 21, spring cover, 22, spring, 23, end cover, 24, adapter, 25, gear piece, 26, casing.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to fig. 1 to 6 of the embodiments of the present utility model, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

The utility model provides a can improve steering wheel of transmission stability, includes pull rod 1, the casing 26 has been cup jointed to one end on pull rod 1 surface, one side grafting of casing 26 inner chamber has slider 20, one side grafting of casing 26 has the spring cover 21 of laminating on slider 20, the inside of slider 20 is provided with spring 22, the one end of spring 22 orientation spring cover 21 stretches into the inside of spring cover 21, the one side that spring cover 21 was kept away from to slider 20 is seted up flutedly, and the inside grafting of recess has the adapter 24 with pull rod 1 looks adaptation, one side fixedly connected with end cover 23 of pull rod 1, one side of spring cover 21 runs through and is provided with the bolt, spring cover 21 passes through bolt fixed mounting on end cover 23, the inside vertical grafting of casing 26 has pivot pole 13, the bottom fixed mounting of pivot pole 13 has gear piece 25, the bottom intercommunication of casing 26 has shell 9, the inside grafting of shell 9 has the rack piece 7 of butt joint on 1, rack piece 7 meshes with gear piece 25.

The specific use process is as follows: when a user drives a vehicle, the rotating shaft lever 13 can be driven to rotate through rotating the steering wheel, the rotating shaft lever 13 can drive the gear piece 25 to rotate, the gear piece 25 can drive the rack piece 7 in the shell 9 to move, the rack piece 7 can drive the pull rod 1 to move, the rack piece 7 and the pull rod 1 form a complete pull rod, one end of the rack piece 7 can push wheels on the corresponding side to turn when moving, the pull rod 1 can push the wheels on the corresponding side to turn, thus the steering of the vehicle can be realized, the turning in the running process of the vehicle is realized, the power assisting is provided for the user, the convenience is provided, the specific working details of the whole steering machine are the prior art, not too much description is provided, when the gear piece 25 is meshed with the rack piece 7 for transmission, the spring cover 21, the spring 22, the end cover 23 and the adapting piece 24 assembled on one side of the inner cavity of the shell 26 can push the tooth condition 7 to one side of the gear piece 25, it should be noted that, the adjustable space between the rack members 7 is small, and on the basis of ensuring stable operation of the tooth condition 7, the user can perform setting processing according to actual use conditions, and the specific process is as follows, because the spring cover 21 is fixedly installed in the housing 26 through the end cover 23, and the spring 22 is jointly arranged in the inner cavity of the spring cover 21 and the sliding block 20, the end cover 23 pushes the spring cover 21 to the inner cavity of the housing 26 until the end cover 23 is completely fixed on the housing 26, the spring cover 21 presses the spring 22 in the process, and the spring 22 has elasticity, so that when the spring cover 21 is pressed, the sliding block 20 is pushed to move towards the rack member 7, and meanwhile, the adapter 24 installed in the sliding block 20 is also pushed to move towards the tooth condition 7 until the adapter 24 is attached to the rack member 7, and can provide a thrust to rack member 7, will push tooth condition 7 to gear member 25, thereby guarantee tooth condition 7 and gear member 25 meshing together all the time, even tooth condition 7 and gear member 25 receive wearing and tearing in the in-process of work, also can be under the promotion of spring 22, sliding block 20 and adapter member 24, rack member 7 and gear member 25 mesh together all the time, this in-process, after adapter member 24 laminating is to rack member 7, the removal of rack member 7 and sliding block 20 can receive the resistance, then spring 22 can receive the blockking of sliding block 20 again, can't promote sliding block 20 to remove again, then can promote spring cap 21 to remove to the direction of end cover 23, until the blockking that meets end cover 23 stops removing, at this moment spring 22 has not fully expanded yet, still can provide the promotion to sliding block 20 and adapter member 24, this thrust can promote sliding block 20 and adapter member 24 to remove to the direction of rack member 7 when rack member 7 receives wearing and tearing, guarantee that tooth condition 7 meshes on gear member 25 all the time, thereby guarantee that power transmission can not be interrupted, guarantee that the smooth work of direction machine is guaranteed, the user is the vehicle wheel 7 is required to be pulled to the normal for the one end of the driver's, the driver's corresponding driver's side, and the driver's need be the car, the driver is a driver's side, and the driver is provided with a driver's safety device, and a driver's device, and a driver's driver is provided for the driver's device.

Therefore, the position of the steering gear rack structure is additionally provided with the abutting structure, the gear is pushed to the rack at any time, so that the gear is always tightly meshed with the rack, the gear or the rack is prevented from being deviated, the meshing error is caused, the power transmission is affected, the normal work of the steering gear is ensured, convenience is brought to the use of a user, and the safety of the user for driving a vehicle is improved.

The two ends of the surface of the pull rod 1 are respectively sleeved with a long dust cover 3 and a dust cover 12, two sides of the surfaces of the long dust cover 3 and the dust cover 12 are respectively sleeved with a small clamp 2 and a large clamp 5, the long dust cover 3 is fixedly arranged on the pull rod 1 through the small clamp 2 and the large clamp 5, and the dust cover 12 is fixedly arranged on the pull rod 1 through the small clamp 2 and the large clamp 5.

Specifically, the setting of long dust cover 3 and dust cover 12, long dust cover 3 and dust cover 12 all adopt little clamp 2 and big clamp 5 to fix on the direction machine to be located the both ends of direction machine, so just can avoid in the in-process foreign matter that the vehicle was gone to count into the direction machine, cause the damage even, guarantee that the direction machine can normally work, the life of extension direction machine, moreover also be convenient for the user disassemble long dust cover 3 and dust cover 12, convenience of customers maintains the direction machine.

One end of the shell 9 is inserted with a fixed sleeve 4, and one side of the fixed sleeve 4 is clamped with a high-pressure oil seal 6 positioned in the inner cavity of the shell 9.

Specifically, the fixed sleeve 4 and the high-pressure oil seal 6 are arranged, the fixed sleeve 4 is used for being installed in the shell 9 and on the tooth condition 7 at the same time, so that the tooth condition 7 is positioned at the central position of the inner cavity of the shell 9, the connection tightness of the tooth condition 7 and the pull rod 1 is ensured, and the high-pressure oil seal 6 can seal the gap between the fixed sleeve 4 and the rack piece 7 as well as between the fixed sleeve and the shell 9, and oil leakage is prevented.

The rack member 7 is matched with the adapting member 24, the fixing sleeve 4 is tightly attached to the surface of the rack member 7, and an oil seal gasket 8 positioned in the inner cavity of the shell 9 is sleeved on the surface of the rack member 7.

Specifically, the setting of rack piece 7 and oil blanket gasket 8, oil blanket gasket 8 are used for matching with the oil blanket of current position for compensate the error gap between oil blanket and the rack piece 7, guarantee that the oil blanket is closely laminated with rack piece 7, avoid fluid seepage.

The two sides of the shell 26 are respectively communicated with a long oil pipe 10 and a short oil pipe 11, and one ends of the long oil pipe 10 and the short oil pipe 11 far away from the shell 26 are communicated with the shell 9.

Specifically, the long oil pipe 10 and the short oil pipe 11 are arranged, the long oil pipe 10 and the short oil pipe 11 are used for supplying oil, and the oil can be guaranteed to be conveyed to a proper position according to requirements, so that the steering gear can be fully lubricated, normal operation of the steering gear can be guaranteed, and convenience is provided for users.

The top of casing 26 is provided with case shield 14 that cup joints on pivot pole 13, upper cover sealing screw 15 is installed to the top embedding of casing 26 inner chamber, the inner chamber of upper cover sealing screw 15 is provided with the low pressure oil seal one 16 of cup jointing on pivot pole 13, sealing washer 17 has been cup jointed to the bottom on upper cover sealing screw 15 surface, sealing washer 17 hugs closely on the inner wall of casing 26.

Specifically, the setting of case shield 14, upper cover sealing screw 15, low pressure oil seal 16 and sealing washer 17, the opening part at casing 26 top is installed to case shield 14, can seal the opening at casing 26 top, so can prevent that the dust from entering into the inside of casing 26, thereby play dirt-proof effect, upper cover sealing screw 15 then is used for fixing case shield 14 on casing 26, guarantee the compactness and the fastness that case shield 14 and casing 26 are connected, low pressure oil seal 16 then can prevent silt, dust, steam from invading in the deep groove ball bearing 18 outward, also prevent simultaneously that the grease from leaking, guarantee the smooth nimble work of deep groove ball bearing 18, it is convenient to provide for user's use.

The inner wall of the shell 26 is fixedly provided with a deep groove ball bearing 18, the rotating shaft rod 13 is fixedly arranged on the inner wall of the deep groove ball bearing 18, the bottom of the surface of the rotating shaft rod 13 is sleeved with a low-pressure oil seal two 19, and the low-pressure oil seal two 19 is tightly attached to the inner wall of the shell 26.

Specifically, the deep groove ball bearing 18 and the low-pressure oil seal two 19 are arranged, the deep groove ball bearing 18 can smoothly rotate the rotating shaft rod 13 during working, and the low-pressure oil seal two 19 can ensure the tightness between the connection of the rotating shaft rod 13 and the shell 26 during rotation of the rotating shaft rod 13, so that oil leakage is avoided.

It should be noted that, the functions to be realized by each hardware in the present utility model are supported by a large number of mature technologies, which belongs to the prior art, and the essence of the present utility model is to optimally combine the existing hardware and the connection mode thereof for specific application occasions, so as to meet the adaptation requirements of the specific application occasions and solve the problems (not related to the improvement of the internal software of the hardware) presented in the background art.

The above description is only illustrative of the preferred embodiments of the present utility model and is not intended to limit the utility model, but any modifications, equivalents, improvements, etc. falling within the spirit and principles of the present utility model are intended to be included within the scope of the present utility model.

Claims (7)

1. Steering wheel that can improve transmission stability, including pull rod (1), its characterized in that: the utility model discloses a rack, including pull rod (1), shell (26) have been cup jointed to one end on pull rod (1) surface, one side grafting of shell (26) inner chamber has sliding block (20), one side grafting of shell (26) has laminating spring cover (21) on sliding block (20), the inside of sliding block (20) is provided with spring (22), the one end of spring (22) towards spring cover (21) stretches into the inside of spring cover (21), one side of keeping away from spring cover (21) of sliding block (20) is seted up flutedly, and the inside grafting of recess has adapter (24) with pull rod (1) looks adaptation, one side fixedly connected with end cover (23) of pull rod (1), one side of spring cover (21) runs through and is provided with the bolt, spring cover (21) are through bolt fixed mounting on end cover (23), the inside of shell (26) is vertical to be pegged graft and is had pivot pole (13), the bottom fixed mounting of pivot pole (13) has gear piece (25), the bottom intercommunication of shell (26) has shell (9), inside plug and rack (7) have on rack (7).

2. A steering wheel capable of improving transmission stability according to claim 1, wherein: the utility model discloses a pull rod, including pull rod (1), dust cover (12), long dust cover (3) and dust cover (12) have been cup jointed respectively at the both ends on pull rod (1) surface, little clamp (2) and big clamp (5) have been cup jointed respectively to the both sides on long dust cover (3) and dust cover (12) surface, long dust cover (3) are on pull rod (1) through little clamp (2) and big clamp (5) fixed mounting, dust cover (12) are on pull rod (1) through little clamp (2) and big clamp (5) fixed mounting.

3. A steering wheel capable of improving transmission stability according to claim 2, wherein: one end of the shell (9) is inserted with a fixed sleeve (4), and one side of the fixed sleeve (4) is clamped with a high-pressure oil seal (6) positioned in the inner cavity of the shell (9).

4. A steering wheel capable of improving transmission stability according to claim 3, wherein: the rack part (7) is matched with the adapting part (24), the fixing sleeve (4) is tightly attached to the surface of the rack part (7), and the surface of the rack part (7) is sleeved with the oil seal gasket (8) positioned in the inner cavity of the shell (9).

5. A steering wheel capable of improving transmission stability as claimed in claim 4, wherein: the two sides of the shell (26) are respectively communicated with a long oil pipe (10) and a short oil pipe (11), and one ends of the long oil pipe (10) and the short oil pipe (11) far away from the shell (26) are communicated with the shell (9).

6. A steering wheel capable of improving transmission stability according to claim 5, wherein: the top of casing (26) is provided with case shield (14) of cup jointing on pivot pole (13), upper cover sealing screw (15) are installed to the top embedding of casing (26) inner chamber, the inner chamber of upper cover sealing screw (15) is provided with low pressure oil seal (16) of cup jointing on pivot pole (13), sealing washer (17) have been cup jointed to the bottom on upper cover sealing screw (15) surface, sealing washer (17) are hugged closely on the inner wall of casing (26).

7. A steering wheel capable of improving transmission stability as claimed in claim 6, wherein: the inner wall of the shell (26) is fixedly provided with a deep groove ball bearing (18), the rotating shaft rod (13) is fixedly arranged on the inner wall of the deep groove ball bearing (18), the bottom of the surface of the rotating shaft rod (13) is sleeved with a low-pressure oil seal two (19), and the low-pressure oil seal two (19) is tightly attached to the inner wall of the shell (26).