Ball head with sealing structure
By designing a ball head with a sealed structure, including the ball head seat main body, club and locking sleeve, the problems of inconvenient disassembly and poor sealing effect in the existing technology are solved, and convenience is achieved Disassembly and efficient sealing.
Patent Information
- Application Number
- CN202323659915.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-29
- Publication Date
- 2025-02-07
- Estimated Expiration
- 2033-12-29
AI Technical Summary
In the prior art, the ball head seat and the lock sleeve are inconvenient to disassemble and assemble, and the sealing effect is not good.
A ball head with a sealed structure is designed, including the ball head seat body, club and locking sleeve. The ball head seat main body is provided with a locking sleeve, which consists of a first locking sleeve and a second locking sleeve, and the club is fixed and sealed by mating connection and limiting parts. The design of the mating part and the clamping part improves the sealing performance, and the limiting part and guiding surface ensure the stability of the club position and lubrication effect.
It realizes convenient disassembly and assembles the ball head seat and the lock sleeve, improves the sealing effect and service life, and reduces rotational friction.
Smart Images
Figure CN222436831U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of ball heads, in particular to a ball head with a sealing structure. Background Art
[0002] The ball head, also known as the ball joint, is actually a "joint" device. The automobile ball head realizes heterogeneous and coaxial power transmission through a spherical connection, provides multilateral rotation, can make the steering mechanism turn flat, and achieve vibration reduction and flat turning. The ball head includes a ball rod, a ball head seat and a locking sleeve. The ball head seat and the ball rod are matched and sealed by the locking sleeve. The ball head seat and the locking sleeve in the prior art are inconvenient to disassemble and assemble, and the sealing effect is not good. Therefore, a ball head that is easy to disassemble and assemble is designed. Utility Model Content
[0003] The utility model provides a ball head with a sealing structure, which solves the problem of inconvenient assembly and disassembly of a ball head seat and a locking sleeve in the prior art.
[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:
[0005] A ball head with a sealing structure, characterized in that:
[0006] The ball head seat body is provided with a matching section, and a mounting cavity is provided in the matching section;
[0007] A ball bar, wherein the ball bar is installed in the installation cavity;
[0008] The feature is that a locking sleeve is provided on the ball head seat body, the locking sleeve comprises a first locking sleeve and a second locking sleeve which are matched and connected, the first locking sleeve and the second locking sleeve wrap the lower end of the ball rod, the locking sleeve is installed on the matching section and connected to the ball head seat body, so as to realize the matching connection between the locking sleeve and the ball head seat body.
[0009] Furthermore, the surface of the mating section forms a mating portion, and the inner surface of the locking sleeve forms a clamping portion, the clamping portion abuts against the mating portion, and the surface of the clamping portion abuts against and fits against the surface of the mating portion, thereby achieving a sealing effect.
[0010] Furthermore, the matching part is arranged in a wave shape, and the surface of the matching part is arranged in an arc shape. The wave shape can relieve external pressure. When the club moves, it plays the role of adjusting deformation, allowing the contact surface to compress and deform, thereby further improving the sealing performance.
[0011] Furthermore, both the first locking sleeve and the second locking sleeve are provided with a limiting portion, and a matching surface is provided on the limiting portion, which fits with the ball on the club. The limiting portion is used to limit the position of the club to prevent the club from being displaced and affecting the use effect.
[0012] Furthermore, a guide surface is obliquely provided on the limiting portion, and the lubricating oil slides into the installation cavity through the guide surface, achieving a lubricating effect on the matching portion of the club and the ball head seat body, reducing rotational friction and increasing the service life of the components.
[0013] Furthermore, a positioning portion is provided on the inner surface of the first locking sleeve, and a corresponding positioning groove is provided on the inner surface of the second locking sleeve. The positioning portion is snap-fitted into the positioning groove, and the first locking sleeve and the second locking sleeve are matched by snapping the positioning portion into the positioning groove, which facilitates the matching connection between the two and provides a sealing effect.
[0014] Furthermore, the first locking sleeve is provided with a mounting hole, the second locking sleeve is provided with a matching hole, the locking piece passes through the mounting hole and is screwed into the matching hole, and the locking piece is used to lock the first locking sleeve and the second locking sleeve.
[0015] Furthermore, an oil storage channel is provided in the locking member, and at least two oil dripping holes are provided on the surface of the locking member. A guide rope is installed in the oil dripping hole. The lubricating oil drips into the installation cavity through the oil dripping hole and the guide rope to achieve a lubrication effect. Through the siphon principle, the lubricating oil in the oil storage channel is slowly drawn out through the guide rope and drips onto the guide surface, and then flows into the installation cavity from the guide surface to achieve automatic lubrication.
[0016] Furthermore, a matching cavity is provided in the locking sleeve, and a limiting boss is formed in the matching cavity. The limiting boss abuts against the upper end surface of the matching section. The matching boss is used to limit the position of the locking sleeve, which facilitates the connection between the locking sleeve and the ball head seat body.
[0017] Furthermore, the lower end surfaces of the first locking sleeve and the second locking sleeve are both provided with grooves, and the upper end surface of the matching section is provided with a protrusion, which is clamped in the groove to determine the position of the locking sleeve.
[0018] The utility model has the following beneficial effects due to the adoption of the above technical solution:
[0019] The utility model discloses a ball head with a sealing structure. A locking sleeve is arranged on a ball head seat. The locking sleeve comprises a first locking sleeve and a second locking sleeve which are matched and connected. The first locking sleeve and the second locking sleeve wrap the lower end of the ball rod. The locking sleeve is installed on a matching section and connected to a ball head seat body, so as to realize the matched connection between the locking sleeve and the ball head seat body. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] The utility model is further described below in conjunction with the accompanying drawings:
[0021] Figure 1 This is a schematic diagram of the structure of a ball head with a sealing structure according to the utility model;
[0022] Figure 2 This is a schematic diagram of the structure of the utility model without the second locking sleeve;
[0023] Figure 3 for Figure 1 A top view of
[0024] Figure 4 for Figure 3 Sectional view along AA direction;
[0025] Figure 5 for Figure 3 A cross-sectional view of the ball head seat body from the middle BB;
[0026] Figure 6 It is a structural schematic diagram of the first locking sleeve in the utility model;
[0027] Figure 7 for Figure 6 Schematic diagram of the structure in another direction;
[0028] Figure 8 It is a structural schematic diagram of the second locking sleeve in the utility model;
[0029] Fig. 9 It is a structural schematic diagram of the locking sleeve in the utility model;
[0030] Fig.10 for Fig. 9 Sectional view along CC direction;
[0031] Fig.11 for Fig.10 A partial enlarged view of point D in the middle;
[0032] Fig.12 It is a structural schematic diagram of the locking member in the utility model.
[0033] In the figure,
[0034] 10-ball head seat body; 11-locking sleeve; 12-ball rod; 13-installation section; 14-connecting section; 15-matching section; 16-first locking sleeve; 17-ball; 18-connecting rod; 19-locking piece; 20-sealing ring; 21-positioning part; 22-second locking sleeve; 23-sealing groove; 24-limiting ring; 25-limiting boss; 26-limiting part; 27-clamping part; 28-matching 29-boss; 30-arc; 31-mounting cavity; 32-threaded hole; 33-guide surface; 34-first positioning portion; 35-second positioning portion; 36-matching cavity; 37-matching surface; 38-mounting hole; 39-positioning groove; 40-groove; 41-raised portion; 42-oil storage channel; 43-matching hole; 44-guide rope; 45-oil dripping hole; 46-limiting section; 47-plug. DETAILED DESCRIPTION
[0035] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.
[0036] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.
[0037] It should be noted that the terms "first", "second", etc. in the specification and claims of the utility model and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions.
[0038] like Figures 1 to 12 As shown, a ball head with a sealing structure of the utility model is provided. The main function is to set a locking sleeve on the ball head seat. The locking sleeve includes a first locking sleeve and a second locking sleeve that are matched and connected. The first locking sleeve and the second locking sleeve wrap the lower end of the ball rod. The locking sleeve is installed on the matching section and connected to the ball head seat body, which is convenient for disassembly and assembly of the locking sleeve and the ball head seat body.
[0039] Embodiment 1
[0040] The utility model discloses a ball head with a sealing structure, comprising a ball head seat body 10, the ball head seat body 10 comprising a forged mounting section 13, a connecting section 14 and a matching section 15, a threaded hole 32 is arranged in the mounting section 13, a part of the threaded hole 32 extends into the connecting section 14, the mounting section 13 is threadedly connected to other components, so as to realize the connection between the ball head seat and other components, the matching section 15 forms a boss 29, the boss 29 is fitted with the lower end surface of the locking sleeve 11, a mounting cavity 31 is arranged in the matching section 15, the mounting cavity 31 is used to install the ball rod 12, the surface of the matching section 15 forms a matching portion 28, the matching portion 28 is arranged in a wave shape, the surface of the matching portion 28 is arranged in a circular arc 30 shape, can cooperate with other components to offset, the matching portion 28 is arranged in a wave shape, can relieve external pressure, and assumes the role of adjusting deformation when the ball rod 12 moves, so that the contact surface is compressed and deformed, thereby further improving the sealing performance.
[0041] Embodiment 2
[0042] A locking sleeve 11 is provided on the ball head seat body 10, and the locking sleeve 11 includes a first locking sleeve 16 and a second locking sleeve 22 that are matched and connected. The lower end surfaces of the first locking sleeve 16 and the second locking sleeve 22 are both provided with a groove 40, and a protrusion 41 is provided on the upper end surface of the matching section 15. The protrusion 41 is a convex block with the same shape as the matching groove. The protrusion 41 of the locking sleeve 11 on one side is first clamped in the groove 40, and then the locking sleeve 11 on the other side is moved. The setting of the protrusion 41 is used to determine the position of the locking sleeve 11. The inner surface of the first locking sleeve 16 is provided with a positioning portion 21, and the inner surface of the second locking sleeve 22 is provided with a corresponding positioning groove 39. The positioning portion 21 includes a first positioning portion 34 and a second positioning portion 35. The positioning groove 39 A corresponding first positioning groove 39 and a second limiting groove are formed. The first positioning portion 34 and the second positioning portion 35 are arranged in a stepped shape. The second positioning portion 35 continues to extend outward on the basis of the first positioning portion 34. When the protrusion 41 is engaged with the matching groove, the positioning portion 21 is engaged in the positioning groove 39 to achieve double matching and improve the sealing effect. The sealing effect can also be improved by arranging a sealing member on the positioning portion 21. The lower end surfaces of the first locking sleeve 16 and the second locking sleeve 22 are both provided with threaded holes 32, and the ball head seat body 10 is provided with a connecting hole. After the first locking sleeve 16 and the second locking sleeve 22 are matched, the screws are passed through the connecting hole to match with the mounting hole 38 to achieve the connection between the locking sleeve 11 and the ball head seat body 10.
[0043] The first locking sleeve 16 and the second locking sleeve 22 are matched to form a matching cavity 36 inside, a limiting boss 25 is formed in the matching cavity 36, and a clamping portion 27 is formed on the inner surface of the locking sleeve 11. When the locking sleeve 11 is installed, the locking sleeve 11 is sleeved on the matching section 15, the limiting boss 25 is abutted against the upper end surface of the matching section 15, the limiting boss 25 is used to limit the position of the locking sleeve 11, and the clamping portion 27 is abutted against the matching portion 28. The first locking sleeve 16 and the second locking sleeve 22 are both provided with a limiting portion 26. The limiting portion 26 is arranged in an annular shape, and a matching surface 37 is provided on the limiting portion 26. The matching surface 37 is in contact with the surface of the ball 17 on the club 12. The ball 17 is arranged at the lower end of the club 12, and an arc surface is formed in the installation cavity 31. The ball 17 is in contact with the arc surface, and the limiting portion 26 is used to limit The position of the ball rod 12 is controlled to prevent the ball rod 12 from being displaced. A guide surface 33 is obliquely arranged on the limiting portion 26. The lubricating oil slides into the installation cavity 31 through the guide surface 33, and the matching part of the ball rod 12 and the ball head seat body 10 is lubricated, thereby reducing rotational friction and increasing the service life of the components. A sealing groove 23 is provided on the locking sleeve 11. The sealing groove 23 is located above the limiting boss 25. A sealing ring 20 is installed in the sealing groove 23. The sealing ring 20 is fitted with the surface of the connecting rod 18 of the ball rod 12. A limiting ring 24 is provided on the connecting rod 18. The diameter of the limiting ring 24 is larger than the diameter of the connecting rod 18. A limiting surface is formed in the installation cavity 31. The upper end surface of the limiting ring 24 is fitted with the limiting surface. The sealing effect between the ball rod 12 and the locking sleeve 11 is improved by the sealing ring 20 and the limiting surface.
[0044] The first locking sleeve 16 is provided with a mounting hole 38, and the second locking sleeve 22 is provided with a matching hole 43. The mounting hole 38 is a countersunk hole, and the matching hole 43 is a blind hole with a thread. The locking member 19 is provided with a threaded section and a limiting section 46. The threaded section and the limiting section 46 are arranged at both ends of the locking member 19. The locking member 19 passes through the mounting hole 38 and is screwed into the matching hole 43. The threaded section cooperates with the thread in the matching hole 43, and the end face of the limiting section 46 abuts against the end face of the countersunk hole. The locking member 19 is used for locking the first locking sleeve 16 and the second locking sleeve 22.
[0045] An oil storage channel 42 is provided in the locking member 19, and lubricating oil is provided in the oil storage channel 42. A refueling hole is provided on the limiting section 46, and a plug 47 is threadedly connected to the refueling hole. A sealing ring 20 is provided on the plug 47. When lubricating oil needs to be added, the plug 47 can be removed. At least two oil dripping holes 45 are provided on the surface of the locking member 19. The number of the oil dripping holes 45 is set according to actual conditions. The oil dripping holes 45 are connected to the oil storage channel 42. A guide rope 44 is installed in the oil dripping hole 45. The guide rope 44 completely blocks the oil dripping hole 45. The lubricating oil drips into the installation cavity 31 through the oil dripping hole 45 and the guide rope 44. The guide rope 44 uses the siphon principle to slowly lead the lubricating oil in the oil storage channel 42 through the guide rope 44 and drip it to the guide surface 33, and then flows into the installation cavity 31 from the guide surface 33 to achieve automatic lubrication.
[0046] The above are only specific embodiments of the utility model, but the technical features of the utility model are not limited thereto. Any simple changes, equivalent replacements or modifications made based on the utility model to solve basically the same technical problems and achieve basically the same technical effects are all included in the protection scope of the utility model.
Claims
1. A ball head with a sealing structure, comprising: A ball head seat body, wherein the ball head seat body is provided with a matching section, and a mounting cavity is provided in the matching section; A golf club, wherein the golf club is installed in the installation cavity; Features: A locking sleeve is provided on the ball head seat body, and the locking sleeve includes a first locking sleeve and a second locking sleeve that are matched and connected. The first locking sleeve and the second locking sleeve wrap the lower end of the ball rod. The locking sleeve is installed on the matching section and connected to the ball head seat body to achieve a matched connection between the locking sleeve and the ball head seat body.
2. The ball head with a sealing structure according to claim 1, characterized in that: The surface of the matching section forms a matching portion, and the inner surface of the locking sleeve forms a clamping portion, and the clamping portion abuts against the matching portion.
3. The ball head with a sealing structure according to claim 2, characterized in that: The matching portion is arranged in a wave shape, and the surface of the matching portion is arranged in an arc shape.
4. The ball head with a sealing structure according to claim 1, characterized in that: A limiting portion is provided inside the first locking sleeve and the second locking sleeve. A matching surface is provided on the limiting portion. The matching surface fits the ball on the club. The limiting portion is used to limit the position of the club.
5. The ball head with a sealing structure according to claim 4, characterized in that: A guiding surface is obliquely arranged on the limiting portion.
6. The ball head with a sealing structure according to claim 1, characterized in that: The inner surface of the first locking sleeve is provided with a positioning portion, and the inner surface of the second locking sleeve is provided with a corresponding positioning groove, and the positioning portion is clamped in the positioning groove.
7. The ball head with a sealing structure according to claim 1, characterized in that: The first locking sleeve is provided with a mounting hole, the second locking sleeve is provided with a matching hole, the locking piece passes through the mounting hole and is screwed into the matching hole, and the locking piece is used for locking the first locking sleeve and the second locking sleeve.
8. The ball head with a sealing structure according to claim 7, characterized in that: An oil storage channel is provided in the locking member, and at least two oil dripping holes are provided on the surface of the locking member. A guide rope is installed in the oil dripping hole. Lubricating oil drips into the installation cavity through the oil dripping hole and the guide rope to achieve a lubrication effect.
9. The ball head with a sealing structure according to claim 1, characterized in that: A matching cavity is provided in the locking sleeve, a limiting boss is formed in the matching cavity, the limiting boss abuts against the upper end surface of the matching section, and the limiting boss is used to limit the position of the locking sleeve.
10. The ball head with a sealing structure according to claim 1, characterized in that: The lower end surfaces of the first locking sleeve and the second locking sleeve are both provided with grooves, and the upper end surface of the matching section is provided with a protrusion, which is clamped in the groove to determine the position of the locking sleeve.