Durable agricultural inner pull rod sealing joint
By designing a durable agricultural inner tie rod sealing joint, the reversing screw is used to simplify the removal of the dust cover, and lubricating oil is added through the filling mechanism without disassembly, the problems of disassembly and lubrication in the prior art are solved, and the durability and practical operation of the tie rod are improved.
Patent Information
- Application Number
- CN202422138399.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-02
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2034-09-02
AI Technical Summary
In the prior art, the pull rod ball head of the agricultural transport vehicle requires professional tools when disassembling, which leads to trouble disassembly and makes it difficult to add lubricating oil.
A durable agricultural inner tie rod seal joint is designed, and the moving block is driven away from the slot by reversing the screw, which facilitates the removal of the dust cover and adds lubricating oil through the filling mechanism without removing the dust cover.
It simplifies the disassembly process of dustproof cover, facilitates the addition of lubricating oil, extends the service life of the pull rod body, and improves durability and practical operation.
Smart Images
Figure CN222910534U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of tie rods, in particular to a durable agricultural inner tie rod sealing joint. Background Art
[0002] Four-wheeled agricultural transport vehicles powered by low-horsepower diesel engines have been widely used in many aspects such as agricultural production and transportation. They play an active and irreplaceable role in the current agricultural mechanization process in my country. The steering tie rod assembly for agricultural transport vehicles mainly bears the steering and support functions of the steering system. The steering tie rod assembly is one of the most important components in the steering system. It mainly bears the steering effect during the driving of the transport vehicle and plays a key role in the handling stability and driving safety of the transport vehicle.
[0003] However, when the ball head of the existing tie rod rotates inside the ball head seat, lubricating oil needs to be added to reduce the friction between the two. When lubrication is needed to be added to the tie rod joint, the dust cover often needs to be disassembled and then the lubricating oil needs to be manually added. However, some existing dust covers require staff to use professional tools to disassemble them, which makes the removal of the dust cover more troublesome. Utility Model Content
[0004] The utility model aims to solve the problem in the prior art that when disassembling the dust cover, the staff needs to use professional tools to disassemble it, which makes the disassembly of the dust cover more troublesome, and proposes a durable agricultural inner pull rod sealing joint.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a durable agricultural inner tie rod sealing joint, comprising a tie rod body, a ball head seat is arranged at one end of the tie rod body, a ball head rod extending to the outside of the ball head seat is arranged inside the ball head seat, a first dust cover is arranged on the top of the ball head seat, a second dust cover is fixedly connected to the top of the ball head seat, a first fixing block is fixedly connected to the outer surface of the first dust cover, a second fixing block is fixedly connected to the outer surface of the second dust cover, and a slot is opened on one side of the second fixing block. A placement groove is provided inside the first fixed block, and a screw is rotatably connected in the placement groove. The smooth end of the screw movably passes through the placement groove and extends to the outside of the first fixed block. A moving block is sleeved on the outer surface of the screw, and the moving block movably passes through the placement groove. A clamping block is fixedly connected to one side of the moving block. A limiting groove is provided on the inner side of the placement groove, and a limiting block is slidably connected in the limiting groove. The top of the limiting block is fixedly connected to the moving block. An oil filling hole is provided on the top of the second dust cover, and a filling mechanism is provided in the oil filling hole.
[0006] Preferably, the filling mechanism comprises a fixed cylinder, and a sealing hole is formed at the top of the fixed cylinder.
[0007] Preferably, a return spring is fixedly connected inside the fixed cylinder, and a movable plate is slidably connected inside the fixed cylinder.
[0008] Preferably, a leakage hole is opened on the surface of the movable plate, and a sealing ball is fixedly connected to the top of the movable plate.
[0009] Preferably, a through hole is provided at the bottom of the fixing tube, and a protective cover is rotatably connected to the top of the fixing tube.
[0010] Preferably, a positioning column is fixedly connected to one side of the first fixing block, and a positioning groove is formed on one side of the second fixing block.
[0011] Preferably, an annular groove is formed on the outer surface of the ball head rod, and protrusions are formed on the inner surfaces of the first dust cover and the second dust cover.
[0012] Preferably, a rotating handle is installed at the smooth end of the screw rod, and the protrusion fits in the annular groove.
[0013] Compared with the prior art, the advantages and positive effects of the utility model are:
[0014] 1. In the utility model, by reversing the screw rod, the movable block drives the clamping block away from the clamping slot and separates from the clamping slot, which is convenient for disassembling the first dust cover. After disassembly, the tie rod joint can be lubricated to extend the service life of the tie rod body to a certain extent, thereby improving the durability of the tie rod body. When installing the first dust cover, by simultaneously rotating the screw rod forward, the movable block drives the clamping block close to the clamping slot and squeezes into the clamping slot, thereby making the first dust cover and the second dust cover clamped and installed together, which is easy to operate.
[0015] 2. In the utility model, a filling mechanism is provided, the protective cover is opened, a glass rod is inserted into the fixed cylinder, and the sealing ball is pressed to move downward, so that the sealing ball moves downward to drive the movable plate to slide downward and squeeze the reset spring, leaking out of the sealing hole, and the lubricating oil is poured into the fixed cylinder through the sealing hole, and the lubricating oil flows into the ball head seat through the leakage hole and the through hole. After the filling is completed, the sealing ball is released, and the sealing ball is pushed upward under the elastic force of the reset spring to seal the sealing hole to prevent external impurities or internal lubricating oil from overflowing. The protective cover is provided to protect the sealing ball to prevent external stones from generating impact force on the sealing ball. Through the provided filling mechanism, the operator can add lubrication to the pull rod joint without removing the first dust cover, thereby improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 A three-dimensional diagram of the main structure of a durable agricultural inner tie rod sealing joint is provided for the utility model;
[0017] Figure 2 The utility model provides a sectional structural stereogram of a first fixing block in a durable agricultural inner tie rod sealing joint;
[0018] Figure 3 for Figure 2 A magnified image of point 1 in the middle;
[0019] Figure 4 The utility model provides a structural stereogram of a second dust cover in a durable agricultural inner tie rod sealing joint;
[0020] Figure 5 The utility model provides a partial structural stereogram of a ball head rod in a durable agricultural inner tie rod sealing joint;
[0021] Figure 6 The utility model provides a sectional structural stereogram of a filling mechanism in a durable agricultural inner tie rod sealing joint.
[0022] Legend: 1. Pull rod body; 2. Ball head seat; 3. First dust cover; 4. Second dust cover; 5. First fixed block; 6. Second fixed block; 7. Slot; 8. Placement slot; 9. Screw; 10. Moving block; 11. Block; 12. Limiting slot; 13. Limiting block; 14. Filling mechanism; 141. Fixed cylinder; 142. Sealing hole; 143. Reset spring; 144. Movable plate; 145. Leakage hole; 146. Sealing ball; 147. Through hole; 148. Protective cover; 15. Positioning column; 16. Positioning slot; 17. Annular slot; 18. Raised part; 19. Turn handle; 20. Ball head rod. DETAILED DESCRIPTION
[0023] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.
[0024] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.
[0025] Example 1: Figure 1 - Figure 6As shown, the utility model provides a durable agricultural inner tie rod sealing joint, including a tie rod body 1, a ball head seat 2 is arranged at one end of the tie rod body 1, a ball head rod 20 extending to the outside of the ball head seat 2 is arranged inside the ball head seat 2, a first dust cover 3 is arranged on the top of the ball head seat 2, a second dust cover 4 is fixedly connected to the top of the ball head seat 2, a first fixing block 5 is fixedly connected to the outer surface of the first dust cover 3, a second fixing block 6 is fixedly connected to the outer surface of the second dust cover 4, a slot 7 is arranged on one side of the second fixing block 6, and the first fixing block 5 is opened inside A placement groove 8 is provided, in which a screw rod 9 is rotatably connected, the smooth end of the screw rod 9 movably passes through the placement groove 8 and extends to the outside of the first fixed block 5, the outer surface of the screw rod 9 is sleeved with a moving block 10, the moving block 10 movably passes through the placement groove 8, a clamping block 11 is fixedly connected to one side of the moving block 10, a limiting groove 12 is provided on the inner side of the placement groove 8, a limiting block 13 is slidably connected in the limiting groove 12, the top of the limiting block 13 is fixedly connected to the moving block 10, an oil filling hole is provided on the top of the second dust cover 4, and a filling mechanism 14 is provided in the oil filling hole.
[0026] The effect achieved by the entire embodiment 1 is that the screw 9 is threadedly connected to the moving block 10 by reversing the screw 9. Since the limit block 13 limits the moving block 10, when the screw 9 is reversed, the moving block 10 drives the clamping block 11 away from the clamping slot 7 and separates from the clamping slot 7, which is convenient for disassembly of the first dust cover 3. After disassembly, the pull rod joint can be lubricated to extend the service life of the pull rod body 1 to a certain extent, thereby improving the durability of the pull rod body 1. When installing the first dust cover 3, the screw 9 is rotated forward at the same time, so that the moving block 10 drives the clamping block 11 to approach the clamping slot 7 and squeeze into the clamping slot 7, so that the first dust cover 3 and the second dust cover 4 are clamped and installed together, which is easy to operate.
[0027] Example 2: Figure 1 - Figure 6 As shown, the filling mechanism 14 includes a fixed cylinder 141, a sealing hole 142 is opened on the top of the fixed cylinder 141, a return spring 143 is fixedly connected in the fixed cylinder 141, a movable plate 144 is slidably connected in the fixed cylinder 141, a leakage hole 145 is opened on the surface of the movable plate 144, a sealing ball 146 is fixedly connected to the top of the movable plate 144, a through hole 147 is opened at the bottom of the fixed cylinder 141, a protective cover 148 is rotatably connected to the top of the fixed cylinder 141, a positioning column 15 is fixedly connected to one side of the first fixed block 5, a positioning groove 16 is opened on one side of the second fixed block 6, an annular groove 17 is opened on the outer surface of the ball head rod 20, the inner surfaces of the first dust cover 3 and the second dust cover 4 are both provided with a protrusion 18, a handle 19 is installed on the smooth end of the screw 9, and the protrusion 18 is fitted with the annular groove 17.
[0028] The effect achieved by the entire embodiment 2 is that, by providing the filling mechanism 14, the protective cover 148 is opened, a glass rod is inserted into the interior of the fixed cylinder 141, and the sealing ball 146 is pressed to move downward, so that the sealing ball 146 moves downward to drive the movable plate 144 to slide downward and squeeze the reset spring 143, leaking out of the sealing hole 142, and the lubricating oil is poured into the interior of the fixed cylinder 141 through the sealing hole 142, and the lubricating oil flows into the interior of the ball head seat 2 through the leakage hole 145 and the through hole 147. After the filling is completed, the sealing ball 146 is released, and under the elastic force of the reset spring 143, the sealing ball 146 is pushed to move upward to block the sealing hole 142 to prevent external impurities or internal lubricating oil from overflowing. The protective cover 148 is provided The sealing ball 146 is protected to prevent external stones from generating impact force on the sealing ball 146. Through the setting of the filling mechanism 14, the operator can add lubrication to the tie rod joint without removing the first dust cover 3, thereby improving the practicality of the device. Then, by inserting the positioning column 15 on the first fixed block 5 into the positioning groove 16 on the second fixed block 6, the position of the first dust cover 3 is conveniently positioned for installation. Then, the annular groove 17 and the raised portion 18 are fitted to increase the contact area, increase the sealing effect, and prevent dust and impurities from entering from the gap between the first dust cover 3, the second dust cover 4 and the ball head rod 20, thereby improving the dustproof effect. The setting of the turning handle 19 facilitates the operator to rotate the screw 9.
[0029] Working principle: When in use, the handle 19 is reversed to drive the screw rod 9 to reverse, and the screw rod 9 is threadedly connected with the moving block 10. Since the limit block 13 limits the moving block 10, when the screw rod 9 reverses, the moving block 10 drives the card block 11 away from the card slot 7 and separates from the card slot 7, and then the positioning column 15 on the first fixed block 5 is pulled out from the positioning groove 16 on the second fixed block 6, and the first dust cover 3 can be disassembled. After disassembly, lubrication can be added to the tie rod joint to extend the service life of the tie rod body 1 to a certain extent, thereby improving the durability of the tie rod body 1. When installing the first dust cover 3, the position of the first dust cover 3 is positioned by inserting the positioning column 15 on the first fixed block 5 into the positioning groove 16 on the second fixed block 6, and then the handle 19 is turned forward so that the moving block 10 drives the card block 11 close to the card slot. 7 and squeezed into the card slot 7, so that the first dust cover 3 and the second dust cover 4 are card-connected and installed together, which is easy to operate. At the same time, by opening the protective cover 148, a glass rod is inserted into the fixed tube 141, and the sealing ball 146 is pressed to move downward, so that the sealing ball 146 moves downward to drive the movable plate 144 to slide downward and squeeze the reset spring 143, leaking out of the sealing hole 142, and the lubricating oil is poured into the fixed tube 141 through the sealing hole 142. The lubricating oil flows into the ball head seat 2 through the leakage hole 145 and the through hole 147. After the filling is completed, the sealing ball 146 is released, and under the elastic force of the reset spring 143, the sealing ball 146 is pushed to move upward to block the sealing hole 142, so that the operator can add lubrication to the tie rod joint without removing the first dust cover 3, thereby improving the practicality and flexibility of the device.
[0030] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.
Claims
1. A durable agricultural inner tie rod sealing joint, comprising a tie rod body (1), characterized in that: A ball head seat (2) is provided at one end of the pull rod body (1), a ball head rod (20) extending to the outside of the ball head seat (2) is provided inside the ball head seat (2), a first dust cover (3) is provided on the top of the ball head seat (2), a second dust cover (4) is fixedly connected to the top of the ball head seat (2), a first fixed block (5) is fixedly connected to the outer surface of the first dust cover (3), a second fixed block (6) is fixedly connected to the outer surface of the second dust cover (4), a slot (7) is provided on one side of the second fixed block (6), a placement slot (8) is provided inside the first fixed block (5), and a rotationally connected member (20) is provided in the placement slot (8). A screw rod (9), wherein the smooth end of the screw rod (9) is movable through the placement groove (8) and extends to the outside of the first fixed block (5); a movable block (10) is sleeved on the outer surface of the screw rod (9); the movable block (10) is movable through the placement groove (8); a clamping block (11) is fixedly connected to one side of the movable block (10); a limiting groove (12) is provided on the inner side of the placement groove (8); a limiting block (13) is slidably connected in the limiting groove (12); the top of the limiting block (13) is fixedly connected to the movable block (10); an oil filling hole is provided on the top of the second dust cover (4); a filling mechanism (14) is provided in the oil filling hole.
2. A durable agricultural inner tie rod sealing joint according to claim 1, characterized in that: The filling mechanism (14) comprises a fixed cylinder (141), and a sealing hole (142) is opened at the top of the fixed cylinder (141).
3. A durable agricultural inner tie rod sealing joint according to claim 2, characterized in that: A return spring (143) is fixedly connected inside the fixed cylinder (141), and a movable plate (144) is slidably connected inside the fixed cylinder (141).
4. A durable agricultural inner tie rod sealing joint according to claim 3, characterized in that: A leakage hole (145) is provided on the surface of the movable plate (144), and a sealing ball (146) is fixedly connected to the top of the movable plate (144).
5. A durable agricultural inner tie rod sealing joint according to claim 2, characterized in that: A through hole (147) is provided at the bottom of the fixing cylinder (141), and a protective cover (148) is rotatably connected to the top of the fixing cylinder (141).
6. A durable agricultural inner tie rod sealing joint according to claim 1, characterized in that: A positioning column (15) is fixedly connected to one side of the first fixing block (5), and a positioning groove (16) is provided on one side of the second fixing block (6).
7. A durable agricultural inner tie rod sealing joint according to claim 1, characterized in that: An annular groove (17) is provided on the outer surface of the ball head rod (20), and a protrusion (18) is provided on the inner surface of the first dust cover (3) and the second dust cover (4).
8. A durable agricultural inner tie rod sealing joint according to claim 7, characterized in that: A rotating handle (19) is mounted on the smooth end of the screw rod (9), and the protrusion (18) is fitted into the annular groove (17).