Screw rod convenient to lubricate
By using an integrated fixed base and lead screw structure and an annular cavity liquid outlet design, the problems of lead screw friction and loose connection are solved, achieving efficient lubrication and stable transmission, and improving the service life and transmission accuracy of the lead screw.
Patent Information
- Application Number
- CN202520171140.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-25
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-01-25
AI Technical Summary
Existing lead screws suffer from wear and reduced transmission accuracy due to friction and loose connections during long-term use, affecting the stability and reliability of the overall mechanical system.
The fixed base and lead screw body are integrally machined, and an annular cavity and liquid outlet are set on the fixed base. Lubricating oil is injected through the liquid inlet and uniform lubrication is achieved through the liquid outlet, which avoids loosening of the connection and ensures stability and convenient lubrication.
It improves the service life and transmission accuracy of the lead screw, reduces maintenance costs, and achieves efficient lubrication and stable transmission under complex working conditions.
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Figure CN223725326U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of automobile screw rod, especially to a screw rod convenient to lubricate. BACKGROUND
[0002] Among the numerous mechanical transmission components of automobiles and heavy trucks, screw rod devices play a crucial role. Screw rods are commonly used to achieve precise linear motion transmission, such as in the suspension system adjustment of vehicles, the lifting mechanisms of certain cargo handling devices, and some precision control components. Their stable and precise operation has a direct impact on the overall performance and operational safety of vehicles.
[0003] With the continuous development of the automobile and heavy truck industry, the requirements for the durability, reliability, and maintenance convenience of vehicle components are increasingly high. During long-term frequent use, screw rods inevitably generate friction between their surfaces and mating components due to relative motion. This friction not only causes wear and tear of the screw rod, affecting its transmission accuracy and shortening its service life, but also may further affect the stability and reliability of the entire related mechanical system due to heat accumulation and other issues caused by friction.
[0004] In addition, in existing screw rod designs, the screw rod body and the fixed seat are often connected using conventional methods such as bolt connection or welding. These connection methods are prone to problems such as loose connection and gap formation during long-term use, especially under the frequent vibration and impact conditions of automobiles or heavy trucks, thereby affecting the transmission accuracy and overall stability of the screw rod.
[0005] Therefore, there is a need to design a screw rod that is convenient to lubricate to solve the above problems. SUMMARY
[0006] The utility model aims at solving the shortcomings in the prior art and provides a screw rod convenient to lubricate. This screw rod can meet the high standards of component durability, reliability, and maintenance convenience in the modern automobile and heavy truck industry, thereby improving the performance of the screw rod under complex vehicle operating conditions and ensuring the stable and reliable operation of the overall mechanical transmission system of the vehicle.
[0007] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions:
[0008] A screw rod convenient to lubricate includes a fixed seat, the upper end of the fixed seat is fixedly connected with a screw rod body, the upper end of the screw rod body is provided with a vertical hole, the lower end of the vertical hole extends into the fixed seat, the outer side of the fixed seat is provided with a plurality of mounting holes, the fixed seat is composed of two first circular blocks and a second circular block, the two first circular blocks are fixed on the upper and lower sides of the second circular block respectively, and the plurality of mounting holes are arranged on the two first circular blocks.
[0009] Preferably, the number of mounting holes on each of the two first circular blocks is three, and the mounting holes on each of the two first circular blocks are arranged in a ring array.
[0010] Preferably, the fixed seat and the screw rod body are integrally formed.
[0011] Preferably, the upper end of the fixed seat is provided with two mounting grooves, the inner bottom of each of the two mounting grooves is fixedly connected with an extension rod, the extension rods at the extension ends are fixedly connected with a circular ring, the circular ring is internally provided with an annular cavity, the left side of the circular ring is provided with a liquid inlet, the inner wall of the circular ring is provided with a plurality of liquid outlets, the liquid inlet and the liquid outlets are in communication with the annular cavity, and the front side of the circular ring is fixedly connected with a pulling block.
[0012] Preferably, the liquid inlet is provided with a sealing plug.
[0013] Preferably, the diameters of the liquid outlets are 2-3 mm, the liquid outlets are arranged in a ring array, and the inner wall of the annular cavity is provided with a polytetrafluoroethylene coating.
[0014] Compared with the prior art, the device has the following advantages:
[0015] 1. Compared with the prior art, the fixed seat and the screw rod body of the device are integrally formed, which fundamentally avoids the hidden troubles caused by loose connection parts, ensures the high strength and tightness of the overall structure of the screw rod, enables the screw rod to remain stable when facing the complex mechanical environment in the driving process of the vehicle, accurately realizes linear motion transmission, effectively guarantees the reliability of the cooperation of the screw rod with other transmission parts of the vehicle, greatly prolongs the service life of the screw rod, and reduces the maintenance and replacement costs caused by loose structure.
[0016] 2. Compared with the prior art, the device has a more convenient and efficient lubrication mechanism. Lubricating oil can be conveniently injected through the liquid inlet, and the lubricating oil can flow uniformly to the surface of the screw rod body through the liquid outlets. The circular ring can be moved by manual pulling, and efficient and uniform lubrication can be realized without complicated disassembly process. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 FIG. 1 is a structural schematic view of a screw rod convenient to lubricate according to the present application;
[0018] Figure 2 FIG. 2 is a structural schematic view of an embodiment 2 of the present application;
[0019] Figure 3 FIG. 3 is a half-sectional view of the present application; Figure 2
[0020] Figure 4 For Figure 2 Structure diagram of telescopic rod and circular ring.
[0021] In the figure: 1 fixed seat, 2 screw body, 3 mounting hole, 4 vertical hole, 5 circular ring, 6 liquid inlet, 7 pulling block, 8 telescopic rod, 9 liquid outlet, 10 annular cavity, 11 installation groove. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.
[0023] Embodiment 1
[0024] Referring to Figure 1 , a screw convenient for lubrication, comprising a fixed seat 1, the upper end of the fixed seat 1 is fixedly connected with a screw body 2, the fixed seat 1 and the screw body 2 are integrally processed and formed, after installation, the overall structure has strong stability, and loosening or displacement is not easily caused by external factors such as vibration in subsequent vehicle operation, the upper end of the screw body 2 is provided with a vertical hole 4, the vertical hole 4 provides space for subsequent possible expansion functions (for example, can be used as a channel for assisting in installing other matched small parts, or is convenient for inserting some detection lines, lubrication channels and the like in the screw, so that more intelligent and refined screw operation and maintenance management is realized), the lower end of the vertical hole 4 extends into the fixed seat 1, the outer side of the fixed seat 1 is provided with a plurality of mounting holes 3, the number of mounting holes 3 on two first circular blocks is three, the plurality of mounting holes 3 on each first circular block is arranged in a ring array, the fixed seat 1 is composed of two first circular blocks and a second circular block, the two first circular blocks are fixed on the upper and lower sides of the second circular block respectively, and the plurality of mounting holes 3 are arranged on the two first circular blocks. When the screw is installed, the worker installs the fixed seat 1 on the mechanical transmission part you want to love, and then selects a suitable screw rod to install the fixed seat 1 on the mechanical transmission part.
[0025] The utility model can be described by the following operation mode: first, when the screw is applied to the mechanical transmission part of the automobile or heavy truck, the mounting hole 3 provided on the outer side of the fixed seat 1 is used for installation and fixation.
[0026] The operator can select appropriate connecting pieces such as bolts according to the requirements of the specific installation scene and the cooperating parts, accurately fix the screw on the target position through the mounting hole 3, ensure that the screw body 2 is on the correct linear motion transmission path, and because the fixed seat 1 and the screw body 2 are integrally processed and formed, after installation, the overall structure has strong stability, and loosening or displacement is not easily caused by external factors such as vibration in subsequent vehicle operation.
[0027] Embodiment 2
[0028] With reference Figures 2-4 The difference between the embodiment and embodiment 1 is that the upper end of the fixing base 1 is provided with two mounting grooves 11, the inner bottom of each of the two mounting grooves 11 is fixedly connected with an extension rod 8, the extension ends of the two extension rods 8 are fixedly connected with a circular ring 5, the circular ring 5 is internally provided with an annular cavity 10, the left side of the circular ring 5 is provided with a liquid inlet 6, the inner wall of the circular ring 5 is provided with a plurality of liquid outlets 9, the liquid inlet 6 and the plurality of liquid outlets 9 are in communication with the annular cavity 10, the front side of the circular ring 5 is fixedly connected with a pulling block 7, the liquid inlet 6 is provided with a sealing plug, the diameters of the plurality of liquid outlets 9 are all 2-3 mm, the plurality of liquid outlets 9 are arranged in a ring array, the inner wall of the annular cavity 10 is provided with a polytetrafluoroethylene coating, the coating makes the inner wall of the cavity extremely smooth, can effectively reduce the resistance of the lubricating oil flowing in the cavity, and ensures that the lubricating oil can be smoothly distributed in the cavity.
[0029] In the embodiment, the output port of the lubricating oil container is docked with the liquid inlet 6 on the left side of the circular ring 5, the sealing plug on the liquid inlet 6 is pulled out (the sealing plug can prevent foreign matters from entering the annular cavity 10 in normal times), and the lubricating oil is slowly injected into the annular cavity 10 in the circular ring 5.
[0030] With the continuous injection of the lubricating oil into the annular cavity 10, the lubricating oil in the cavity will gradually fill the entire space under the action of pressure and flow out through the plurality of liquid outlets 9 with a diameter of 2-3 mm and arranged in a ring array on the inner wall of the circular ring 5, and then the staff can pull the circular ring 5 by pulling the pulling block 7, so that the circular ring 5 moves on the surface of the screw body 2. Due to the uniform distribution of the liquid outlets 9, the lubricating oil can uniformly cover the surface of the screw body 2 from all directions, so as to realize the omnidirectional and dead angle free lubricating effect.
[0031] The above only describes the preferred specific embodiments of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the technical field according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model makes equivalent replacement or change, should be covered in the protection scope of the utility model.
Claims
1. A screw spindle for facilitating lubrication comprising a fixed seat (1), characterized in that: The upper end of the fixed seat (1) is fixedly connected with a screw rod body (2), the upper end of the screw rod body (2) is provided with a vertical hole (4), the lower end of the vertical hole (4) extends into the fixed seat (1), the outer side of the fixed seat (1) is provided with a plurality of mounting holes (3), the fixed seat (1) is composed of two first circular blocks and a second circular block, the two first circular blocks are fixed on the upper and lower sides of the second circular block respectively, and the plurality of mounting holes (3) are arranged on the two first circular blocks.
2. A lead screw for ease of lubrication as claimed in claim 1 wherein: The number of mounting holes (3) on the two first circular blocks is three, and the plurality of mounting holes (3) on each first circular block are arranged in an annular array.
3. A lubrication facilitating lead screw as claimed in claim 1, wherein: The fixed seat (1) and the screw rod body (2) are integrally machined and formed.
4. The lubrication facilitating lead screw of claim 1, wherein: The upper end of the fixed seat (1) is provided with two mounting grooves (11), the inner bottom of each of the two mounting grooves (11) is fixedly connected with an extension rod (8), the extension rods (8) are fixedly connected with a circular ring (5) at the extension end, the circular ring (5) is provided with an annular cavity (10) in the inside, the left side of the circular ring (5) is provided with a liquid inlet (6), the inner wall of the circular ring (5) is provided with a plurality of liquid outlet holes (9), the liquid inlet (6) and the plurality of liquid outlet holes (9) are in communication with the annular cavity (10), and the front side of the circular ring (5) is fixedly connected with a pulling block (7).
5. A lead screw for ease of lubrication as claimed in claim 4 wherein: The liquid inlet (6) is provided with a sealing plug.
6. A lubrication facilitating lead screw as defined in claim 4, wherein: The diameters of the plurality of liquid outlet holes (9) are 2-3mm, the plurality of liquid outlet holes (9) are arranged in an annular array, and the inner wall of the annular cavity (10) is provided with a polytetrafluoroethylene coating.