Self-lubricating hydraulic oil cylinder head
By designing a hydraulic cylinder head with components including flow guide tube, distribution groove, lubricating oil tank, etc., the problem of manual lubrication in the prior art is solved, and the self-lubrication and automatic replenishment of the hydraulic cylinder head is realized, which significantly improves the use effect.
Patent Information
- Application Number
- CN202420669701.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-02
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-04-02
AI Technical Summary
The existing hydraulic cylinder heads require manual lubrication, which cannot be achieved by self-lubricating, resulting in a lack of lubricating oil, poor use effect, and regular inspections are required.
A hydraulic cylinder head including cylinder head, bearing shell, diversion groove, distribution groove, diversion pipe, mounting groove, distribution plate, lubricating oil tank, push rod, piston and spring is designed. Through the design of the flow guide and distribution groove, the lubricant can be distributed in an annular shape; the piston and push rod mechanism in the lubricant tank can automatically replenish the lubricant.
The self-lubrication of the hydraulic cylinder head is achieved, which avoids the problem of lubricating oil deficiency, can self-lubricate for a long time, significantly improves the use effect, and is suitable for lubricating oil loss adjustment in different scenarios.
Smart Images
Figure CN222596446U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of hydraulic oil cylinder accessories, in particular to a hydraulic oil cylinder head which can lubricate itself. Background Art
[0002] The hydraulic cylinder is a component that performs power execution through liquid static pressure. The cylinder head is connected to the moving end of the hydraulic rod component of the hydraulic cylinder, and the transmission component is movably connected through the cylinder head. The cylinder head ensures stable connection of important components.
[0003] However, the existing hydraulic cylinder head has a simple structure, and the movable connection between the cylinder head and the transmission component requires lubricating oil to keep it lubricated. The ordinary cylinder head is lubricated manually, which is not convenient for timely lubrication during use. Long-term use will cause the lubricating oil to be lost, and regular inspection is required. Self-lubrication cannot be achieved, and the use effect is not good. Based on this, the utility model designs a self-lubricating hydraulic cylinder head to solve the above problems. Utility Model Content
[0004] The utility model aims to provide a self-lubricating hydraulic cylinder head to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a self-lubricating hydraulic cylinder head, comprising a cylinder head, two bearings are embedded and connected on both sides of the upper connecting end of the cylinder head, and the rotating parts are supported by the two bearings through the upper end of the cylinder head, and a distribution groove is formed between the two bearings. A guide pipe runs through the upper end of the cylinder head, and the guide pipe is connected to the distribution groove. The lubricating oil is distributed in an annular manner through the distribution groove, and the guide pipe guides the lubricating oil into the distribution groove. A mounting groove is provided on one side of the cylinder head, and a hollow distribution plate is connected to the bottom of the mounting groove. The upper end of the distribution plate is connected to a lubricating oil tank, and the distribution plate is installed in the mounting groove. The hollow distribution plate guides the lubricating oil in the lubricating oil tank Introduced into the interior, a push rod is movably installed on one side of the lubricating oil tank, one end of the push rod is connected to a piston, and the piston is installed in the lubricating oil tank, one side of the push rod is connected to a spring, and the other end of the spring is connected to one side of the lubricating oil tank. The spring provides elastic force, and the spring pulls the push rod to push the piston at one end to move, thereby squeezing the lubricating oil into the distribution plate, and then allowing the oil filling pipe on one side to export the lubricating oil. The upper end of the lubricating oil tank is threadedly connected to an oil filling plug, and the oil filling plug threaded on the lubricating oil tank can replenish the lubricating oil in time, and the upper end of the distribution plate is connected to an oil filling pipe, and the oil filling pipe is connected to the guide pipe, and the lubricating oil is introduced into the guide pipe through the oil filling pipe to lubricate the installed parts.
[0006] As a further solution of the utility model: a plurality of guide grooves are provided inside the bearing shell, and the guide grooves are arranged obliquely inside the bearing shell. The lubricating oil in the distribution groove is further diverted through the plurality of guide grooves on the bearing shell, so that the lubricating oil is distributed more evenly, and the distribution range of the obliquely arranged guide grooves is wider.
[0007] As a further solution of the utility model: the guide pipe is arranged at an angle, and the width of the distribution groove is greater than the diameter of the guide pipe. The inclined guide pipe is obliquely penetrated into the upper end of the cylinder head to allow the lubricating oil to be obliquely introduced into the distribution groove. The larger width of the distribution groove avoids clogging the liquid outlet end of the guide pipe.
[0008] As a further solution of the utility model: one end of the clamp is connected to a ring-shaped clamp, and a bolt passes through the connecting end of the clamp. One end of the oil filling pipe is clamped by the clamp, so that the installation of the oil filling pipe is more stable.
[0009] As a further solution of the utility model: a vertical plate is fixedly welded on one side of the mounting groove, a locking bolt is threadedly connected on the vertical plate, the oil filling pipe is clamped in the vertical plate, and the oil filling pipe is resisted by the locking bolt threaded on the vertical plate, and then the locking bolt is adjusted to change the diameter of the oil filling pipe, and the injection flow rate of the lubricating oil is adjusted, which is suitable for adjusting the lubricating oil loss in different scenarios.
[0010] As a further solution of the utility model: the vertical plate is L-shaped, and the locking bolt is arranged opposite to the oil filling pipe. The L-shaped vertical plate facilitates the insertion of one side of the oil filling pipe, and the locking bolt opposite to the oil filling pipe can squeeze the oil filling pipe to avoid misalignment of the locking bolt and the oil filling pipe.
[0011] As a further solution of the utility model: a perspective window is connected to one side of the lubricating oil tank, and a horizontal bayonet groove is opened at the bottom of the cylinder head. The amount of lubricating oil inside can be observed through the perspective window on one side of the lubricating oil tank. The bayonet groove at the bottom of the cylinder head cooperates with the bayonet pin for locking installation to avoid accidental detachment after the threaded connection at the bottom of the cylinder head, and the installation is more stable.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] (1) The utility model forms a distribution groove between two bearing shells, the distribution groove is connected to the guide pipe, the installation groove embeds the distribution plate, the upper end of the distribution plate is connected to the lubricating oil tank, a piston is installed in the lubricating oil tank, the piston is pulled by the spring on one side of the push rod, and then the internal lubricating oil is introduced into the distribution plate and the oil filling pipe at the bottom, and then introduced into the distribution groove. The distribution groove distributes the lubricating oil in an annular shape for self-lubrication. When the lubrication is lost, it is automatically replenished for automatic lubrication, and self-lubrication can be achieved for a long time;
[0014] (2) The bearing of the utility model has a plurality of guide grooves disposed inside the bearing, and the guide grooves are inclinedly arranged inside the bearing. The lubricating oil in the distribution groove is further diverted through the plurality of guide grooves on the bearing, so that the lubricating oil is distributed more evenly. The distribution range of the inclined guide grooves is wider. A vertical plate is fixedly welded on one side of the installation groove, and a locking bolt is threadedly connected on the vertical plate. The oil filling pipe is clamped in the vertical plate, and the locking bolt threadedly connected on the vertical plate is used to resist the oil filling pipe. Then, the locking bolt is adjusted to change the diameter of the oil filling pipe, thereby adjusting the injection flow rate of the lubricating oil, which is suitable for adjusting the lubricating oil loss in different scenarios. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0016] Figure 1 It is a three-dimensional structural diagram of the self-lubricating hydraulic cylinder head of the utility model;
[0017] Figure 2 This is an overall exploded structural diagram of the self-lubricating hydraulic cylinder head of the utility model;
[0018] Figure 3 The utility model is a self-lubricating hydraulic cylinder head Figure 2 The enlarged structural diagram at A in the middle;
[0019] Figure 4 It is a bottom-up stereoscopic structural diagram of the self-lubricating hydraulic cylinder head of the utility model.
[0020] In the accompanying drawings, the components represented by the reference numerals are listed as follows:
[0021] 1. Cylinder head; 2. Bearing; 3. Guide groove; 4. Distribution groove; 5. Guide pipe; 6. Mounting groove; 7. Distribution plate; 8. Lubricating oil tank; 9. Push rod; 10. Piston; 11. Spring; 12. Oil filling plug; 13. Oil filling pipe; 14. Clamp; 15. Vertical plate; 16. Locking bolt; 17. Perspective window; 18. Pin groove. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] See also Figure 1-Figure 4 The utility model provides a technical solution: a self-lubricating hydraulic cylinder head, comprising a cylinder head 1, two bearings 2 are embedded and connected on both sides of the upper connecting end of the cylinder head 1, the rotating parts are supported by the two bearings 2 through the upper end of the cylinder head 1, and a distribution groove 4 is formed between the two bearings 2. A guide pipe 5 is passed through the upper end of the cylinder head 1, and the guide pipe 5 is inclined. The width of the distribution groove 4 is greater than the diameter of the guide pipe 5. The inclined guide pipe 5 is obliquely passed through the upper end of the cylinder head 1, so that the lubricating oil is obliquely introduced into the distribution groove 4. The distribution groove 4 with a larger width avoids blocking the liquid outlet end of the guide pipe 5. The guide pipe 5 is connected to the distribution groove 4, and the lubricating oil is distributed in an annular manner through the distribution groove 4. The guide pipe 5 introduces the lubricating oil into the distribution groove 4. A mounting groove 6 is opened on one side of the cylinder head 1, and a hollow distribution plate 7 is connected to the bottom of the mounting groove 6. The upper end of the distribution plate 7 is connected to a lubricating oil tank 8. The distribution plate 7 is installed in the installation groove 6. The hollow distribution plate 7 guides the lubricating oil in the lubricating oil tank 8 into the interior. A push rod 9 is movably installed on one side of the lubricating oil tank 8. One end of the push rod 9 is connected to a piston 10. The piston 10 is installed in the lubricating oil tank 8. One side of the push rod 9 is connected to a spring 11. The other end of the spring 11 is connected to one side of the lubricating oil tank 8. The spring 11 provides elastic force. The spring 11 pulls the push rod 9 to push the piston 10 at one end to move, thereby squeezing the lubricating oil into the distribution plate 7, and then allowing the oil filling pipe 13 on one side to export the lubricating oil. The upper end of the lubricating oil tank 8 is threadedly connected with an oil filling plug 12. The oil filling plug 12 threadedly connected on the lubricating oil tank 8 can replenish the lubricating oil in time. The upper end of the distribution plate 7 is connected with an oil filling pipe 13. The oil filling pipe 13 is connected to the guide pipe 5. The lubricating oil is introduced into the guide pipe 5 through the oil filling pipe 13 to lubricate the installed components.
[0024] The two bearing shells 2 at the upper connecting end of the cylinder head 1 are connected to the rotating part, and a distribution groove 4 is formed between the two bearing shells 2. The distribution groove 4 is connected to the guide pipe 5, and the installation groove 6 is embedded in the distribution plate 7. The upper end of the distribution plate 7 is connected to the lubricating oil tank 8. A piston 10 is installed in the lubricating oil tank 8. The piston 10 is pulled by the spring 11 on one side of the push rod 9, and then pushes the internal lubricating oil into the distribution plate 7 and the oil filling pipe 13 at the bottom, and then into the distribution groove 4. The distribution groove 4 distributes the lubricating oil in a ring shape for self-lubrication. When the lubrication is lost, it is automatically replenished for automatic lubrication. It can self-lubricate for a long time and has a good use effect.
[0025] Preferably, Figure 1 and Figure 2 As shown, a plurality of guide grooves 3 are provided inside the bearing shell 2, and the guide grooves 3 are arranged obliquely inside the bearing shell 2. The lubricating oil in the distribution groove 4 is further diverted through the plurality of guide grooves 3 on the bearing shell 2, so that the lubricating oil is more evenly distributed, and the distribution range of the obliquely arranged guide grooves 3 is wider.
[0026] Preferably, Figure 1 and Figure 2 As shown, one end of the clamp 14 is connected to an annular clamp 14, and a bolt passes through the connecting end of the clamp 14. One end of the oil filling pipe 13 is clamped by the clamp 14, so that the installation of the oil filling pipe 13 is more stable.
[0027] Preferably, Figure 1 , Figure 2 and Figure 3 As shown, a vertical plate 15 is fixedly welded on one side of the mounting groove 6, and a locking bolt 16 is threadedly connected to the vertical plate 15. The oil filling pipe 13 is clamped in the vertical plate 15, and the locking bolt 16 threadedly connected to the vertical plate 15 is used to resist the oil filling pipe 13, and then the locking bolt 16 is adjusted to change the diameter of the oil filling pipe 13, and the injection flow rate of the lubricating oil is adjusted, which is suitable for adjusting the lubricating oil loss in different scenarios.
[0028] Preferably, Figure 3 As shown, the vertical plate 15 is L-shaped, and the locking bolt 16 is arranged opposite to the oil filling pipe 13. The L-shaped vertical plate 15 is convenient for one side of the oil filling pipe 13 to be inserted, and the locking bolt 16 opposite to the oil filling pipe 13 can squeeze the oil filling pipe 13 to avoid misalignment of the locking bolt 16 and the oil filling pipe 13.
[0029] Preferably, Figure 1 As shown, a perspective window 17 is connected to one side of the lubricating oil tank 8, and a transverse bayonet groove 18 is provided at the bottom of the cylinder head 1. The amount of lubricating oil inside can be observed through the perspective window 17 on one side of the lubricating oil tank 8. The bayonet groove 18 at the bottom of the cylinder head 1 is locked with a bayonet to prevent accidental detachment after the threaded connection at the bottom of the cylinder head 1, making the installation more stable.
[0030] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0031] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.
Claims
1. A self-lubricating hydraulic cylinder head, comprising a cylinder head (1), characterized in that: Two bearings (2) are embedded and connected on both sides of the upper connecting end of the cylinder head (1), and a distribution groove (4) is formed between the two bearings (2). A flow guide pipe (5) runs through the upper end of the cylinder head (1), and the flow guide pipe (5) is connected to the distribution groove (4). A mounting groove (6) is provided on one side of the cylinder head (1), and a hollow distribution plate (7) is connected to the bottom of the mounting groove (6). The upper end of the distribution plate (7) is connected to a lubricating oil tank (8), and one side of the lubricating oil tank (8) is movable. A push rod (9) is installed in the dynamic clamping connection, one end of the push rod (9) is connected to a piston (10), the piston (10) is installed in the lubricating oil tank (8), one side of the push rod (9) is connected to a spring (11), the other end of the spring (11) is connected to one side of the lubricating oil tank (8), the upper end of the lubricating oil tank (8) is threadedly connected to an oil filling plug (12), the upper end of the distribution plate (7) is connected to an oil filling pipe (13), and the oil filling pipe (13) is connected to the guide pipe (5).
2. A self-lubricating hydraulic cylinder head according to claim 1, characterized in that: A plurality of guide grooves (3) are provided inside the bearing bush (2), and the guide grooves (3) are arranged at an angle inside the bearing bush (2).
3. The self-lubricating hydraulic cylinder head according to claim 1, characterized in that: The guide pipe (5) is arranged obliquely, and the width of the distribution groove (4) is greater than the diameter of the guide pipe (5).
4. The self-lubricating hydraulic cylinder head according to claim 1, characterized in that: A vertical plate (15) is fixedly welded to one side of the installation groove (6), a locking bolt (16) is threadedly connected to the vertical plate (15), and the oil filling pipe (13) is clamped in the vertical plate (15).
5. The self-lubricating hydraulic cylinder head according to claim 4, characterized in that: The vertical plate (15) is L-shaped, and the locking bolt (16) is arranged directly opposite to the oil filling pipe (13).
6. The self-lubricating hydraulic cylinder head according to claim 1, characterized in that: A perspective window (17) is connected to one side of the lubricating oil tank (8), and a transverse latch groove (18) is provided at the bottom of the cylinder head (1).