Oil-immersed tensioning wheel
The open-design oil-immersed tensioner enables real-time oil replenishment, solving the problem of shortened service life caused by the closed lubricant setting in the prior art and extending the service life of the tensioner.
Patent Information
- Application Number
- CN202520506769.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-20
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2035-03-20
AI Technical Summary
The existing closed lubrication system of the tensioner pulley leads to a shortened service life. After the lubricating oil reaches its limit, it produces particulate matter, which affects bearing wear.
Design an oil-immersed tensioner with an open design that allows the entire tensioner to be immersed in engine oil, and real-time oil replenishment through an oil replenishment channel.
It extends the service life of the tensioner and ensures continuous lubrication of the bearings through real-time oil updates.
Smart Images
Figure CN223635157U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of automobile parts, concretely relates to an oil immersed type tension pulley. BACKGROUND
[0002] The existing tension pulley, the lubricating oil for lubricating the bearing is usually closed in the inside, after a long time of use, the service life of the lubricating oil reaches the limit, the lubricating oil will produce particles, not only cannot continue to lubricate the bearing, even will cause abrasion to the bearing, shortens the service life of the tension pulley. SUMMARY
[0003] The utility model wants to solve the technical problem in view of the insufficient of prior art,
[0004] Provide an oil immersed type tension pulley, open type setting, the whole tension pulley is immersed in the machine oil and works, the machine oil plays the lubricating effect, real -time update lubricating oil, prolongs the service life of tension pulley.
[0005] In order to achieve the above object, the utility model provides the following technical scheme: an oil immersed type tension pulley, characterized by: including riveting plate, the riveting plate riveting is equipped with the mandrel, the mandrel is equipped with eccentric shell, the eccentric shell includes installation part and connecting portion, the installation part and connecting portion eccentricity are arranged, the connecting portion is equipped with the bearing, the mandrel is coaxial with installation part and is arranged, the bearing is eccentric with installation part, the outer side end surface of bearing is equipped with the wheel surface, the mandrel is rotatably equipped with the bottom plate to riveting plate one end, the bottom plate is connected with eccentric shell between the torsional spring, the riveting plate and the bottom plate are equipped with the oil supplement channel for lubricating oil to enter the bearing between wheel surface.
[0006] The utility model further provides: installation part is equipped with torsional spring accommodating cavity, first torsional spring abutting platform is equipped in torsional spring accommodating cavity, the bottom plate is equipped with second torsional spring abutting platform, the torsional spring is arranged in torsional spring accommodating cavity, the both ends of torsional spring are respectively with first torsional spring abutting platform and second torsional spring abutting platform abut, when the bottom plate rotates, the torsional spring deforms, the bearing sleeve is arranged in connecting portion.
[0007] The utility model further provides: eccentric shell is equipped with first limit platform, the bottom plate is equipped with second limit platform, first limit platform is on the displacement path of second limit platform.
[0008] The utility model further provides: the bottom plate is equipped with positioning table, first limit platform is equipped with positioning hole, the positioning table is equipped with positioning slot, the displacement path of positioning hole is on positioning slot, when positioning hole and positioning slot coincide, positioning hole and positioning slot are inserted with positioning pin.
[0009] The utility model discloses the following beneficial effects: the bearing is open type setting, and the tensioning wheel is immersed in the machine oil and works as a whole, and the machine oil plays the lubricating effect, and the lubricating oil is updated in real time, and the service life of the tensioning wheel is prolonged.
[0010] The utility model discloses the following beneficial effects: the bearing is open type setting, and the tensioning wheel is immersed in the machine oil and works as a whole, and the machine oil plays the lubricating effect, and the lubricating oil is updated in real time, and the service life of the tensioning wheel is prolonged.
[0011] The utility model will be further explained in detail in connection with the drawings and examples. DRAWINGS
[0012] Figure 1 It is the three -dimensional schematic drawing of the utility model embodiment.
[0013] Figure 2 It is the explosion schematic drawing of the utility model embodiment.
[0014] Figure 3 It is the section schematic drawing of the utility model embodiment.
[0015] Figure 4 It is the three -dimensional schematic of eccentric shell of the utility model embodiment Figure 1 .
[0016] Figure 5 It is the three -dimensional schematic of eccentric shell of the utility model embodiment Figure 2 . CONCRETE IMPLEMENTING METHOD
[0017] As Figure 1 -- Figure 5The oil immersed tensioning wheel shown comprises a riveted plate 1, the riveted plate 1 is riveted with a mandrel 2, the mandrel 2 is sleeved with an eccentric shell 4, the eccentric shell 4 comprises a mounting portion 401 and a connecting portion 402, the mounting portion 401 and the connecting portion 402 are eccentrically arranged, the connecting portion 402 is sleeved with a bearing 3, the mandrel 2 is coaxially arranged with the mounting portion 401, the bearing 3 is eccentrically arranged with the mounting portion 401, an outer side end surface of the bearing 3 is provided with a wheel surface 5, the mandrel 2 is rotatably arranged with a bottom plate 6 at one end relative to the riveted plate 1, the bottom plate 6 is connected with the eccentric shell 4 with a torsion spring 7, the riveted plate 1 and the bottom plate 6 are provided with an oil supplement channel 8 between the bottom plate 6 and the wheel surface 5 for lubricating oil to enter the bearing, the mounting portion 401 is provided with a torsion spring accommodating cavity 9, the torsion spring accommodating cavity 9 is provided with a first torsion spring abutting table 10, the bottom plate 6 is provided with a second torsion spring abutting table 11, the torsion spring 7 is arranged in the torsion spring accommodating cavity 9, the two ends of the torsion spring 7 are respectively abutted with the first torsion spring abutting table 10 and the second torsion spring abutting table 11, when the bottom plate 6 rotates, the torsion spring 7 deforms, the eccentric shell 4 is provided with a first limiting table 12, the bottom plate 6 is provided with a second limiting table 13, the first limiting table 12 is on the displacement path of the second limiting table 13, the bottom plate 6 is provided with a positioning table 14, the first limiting table 12 is provided with a positioning hole 15, the positioning table 14 is provided with a positioning groove 16, the positioning hole 15 is on the displacement path of the positioning groove 16, when the positioning hole 15 and the positioning groove 16 coincide, the positioning hole 15 and the positioning groove 16 are positioned with a positioning pin 17.
Claims
1. An oil- immersed tensioning pulley, characterized by: The riveting plate is provided with a mandrel, the mandrel is sleeved with an eccentric shell, the eccentric shell comprises a mounting portion and a connecting portion, the mounting portion and the connecting portion are eccentrically arranged, the connecting portion is sleeved with a bearing, the mandrel is coaxially arranged with the mounting portion, the bearing is eccentrically arranged with the mounting portion, an outer end surface of the bearing is provided with a wheel surface, the mandrel is rotatably arranged with a bottom plate at one end of the riveting plate, a torsion spring is connected between the bottom plate and the eccentric shell, and an oil supplement channel for lubricating oil entering the bearing is arranged between the riveting plate, the bottom plate and the wheel surface.
2. An oil- immersed tensioning pulley according to claim 1, characterized in that: The mounting portion is provided with a torsion spring accommodating cavity, the torsion spring accommodating cavity is provided with a first torsion spring abutting table, the bottom plate is provided with a second torsion spring abutting table, the torsion spring is arranged in the torsion spring accommodating cavity, and the two ends of the torsion spring are respectively abutted with the first torsion spring abutting table and the second torsion spring abutting table, and the torsion spring is deformed when the bottom plate rotates.
3. An oil- immersed tensioning pulley according to claim 2, characterised in that: The eccentric shell is provided with a first limiting table, the bottom plate is provided with a second limiting table, and the first limiting table is on the displacement path of the second limiting table.
4. An oil- immersed tensioning pulley according to claim 3, characterised in that: The bottom plate is provided with a positioning table, the first limiting table is provided with a positioning hole, the positioning table is provided with a positioning groove, the positioning hole is on the displacement path of the positioning groove, and the positioning hole and the positioning groove are coincidently inserted and positioned with a positioning pin.