CN116677707A - Automobile ball head with good sealing effect and mounting method thereof - Google Patents

Automobile ball head with good sealing effect and mounting method thereof Download PDF

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Publication number
CN116677707A
CN116677707A CN202310887656.9A CN202310887656A CN116677707A CN 116677707 A CN116677707 A CN 116677707A CN 202310887656 A CN202310887656 A CN 202310887656A CN 116677707 A CN116677707 A CN 116677707A
Authority
CN
China
Prior art keywords
ring
ball head
cover
ball
sealing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310887656.9A
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Chinese (zh)
Inventor
冯存旺
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Swake Auto Parts Co ltd
Original Assignee
Anhui Swake Auto Parts Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Anhui Swake Auto Parts Co ltd filed Critical Anhui Swake Auto Parts Co ltd
Priority to CN202310887656.9A priority Critical patent/CN116677707A/en
Publication of CN116677707A publication Critical patent/CN116677707A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
    • F16C11/0666—Sealing means between the socket and the inner member shaft
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D7/00—Steering linkage; Stub axles or their mountings
    • B62D7/18—Steering knuckles; King pins
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
    • F16C11/0619—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints the female part comprising a blind socket receiving the male part
    • F16C11/0623—Construction or details of the socket member
    • F16C11/0642—Special features of the plug or cover on the blind end of the socket
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
    • F16C11/0666—Sealing means between the socket and the inner member shaft
    • F16C11/0676—Sealing means between the socket and the inner member shaft allowing operational relative movement of joint parts due to sliding between parts of the sealing means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
    • F16C11/068—Special features relating to lubrication
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/40—Engine management systems

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Pivots And Pivotal Connections (AREA)

Abstract

The utility model discloses an automobile ball head with good sealing effect and an installation method thereof, and relates to the technical field of automobile ball head installation, the automobile ball head comprises an upper ball cover and a lower ball cover, a circular through hole is formed in the middle of the top surface of the upper ball cover, a ball head rod is inserted into the circular through hole, a ball head is fixedly arranged at the bottom end of the ball head rod, and the ball head rod is connected with the upper ball cover through a sealing component; the U-shaped clamp is clamped on the outer ring surface of the upper ball cover and the outer ring surface of the lower ball cover, the rectangular clamping block is clamped in the opening of the U-shaped clamp, the hollow cylinder is fixedly arranged on the outer side surface of the rectangular clamping block, the limiting through hole which is communicated with the hollow cylinder is formed in the middle of the rectangular clamping block, the threaded rod is inserted into the outer port of the hollow cylinder, the pull ring is fixedly arranged at the outer end part of the threaded rod, and the threaded rod is connected with the hollow cylinder through the threaded assembly. On the premise of the installation stability of the automobile ball head, the sealing effect of the automobile ball head is improved, the reliable and long-term use of the automobile ball head is ensured, external dust is prevented from entering the automobile ball head, and the service life of the ball head is prolonged.

Description

Automobile ball head with good sealing effect and mounting method thereof
Technical Field
The utility model relates to the technical field of automobile ball head installation, in particular to an automobile ball head with good sealing effect and an installation method thereof.
Background
Automobile parts are various units forming the whole automobile and a product serving the automobile, the variety of automobile parts is various, with the improvement of the living standard of people, the consumption of the automobile is more and more, the market of the automobile parts is also becoming larger and larger, automobile part manufacturers are rapidly developing in recent years, and automobile bulbs are important parts of the automobile. The automobile ball head is one of automobile parts, and the ball pin assembly is connected with two parts, namely a control arm and a steering knuckle, and force and moment are required to be transmitted to ensure normal operation of the automobile, so that all the connecting parts are required to be rigidly connected, and the phenomena of sliding, deformation or damage do not occur.
The utility model discloses an automobile ball head (publication number: CN 211501302U) with a good sealing effect of a lubricating mechanism, which comprises a connecting rod and an automobile ball head body, wherein the connecting rod is fixedly arranged on the outer surface of the automobile ball head body, the connecting rod comprises an extension rod, a thread and a first nut, the thread is arranged on the outer surface of the extension rod, and the first nut is spirally connected on the outer surface of the thread; the automobile ball head body comprises a joint, a dust cover, an outer shell, a lubricating shell and a ball head piece, wherein the dust cover is fixedly arranged at the lower end of the joint, the outer shell is connected with the lower end of the dust cover in a riveting mode, the lubricating shell is fixedly arranged at the lower end of the outer shell, and the ball head piece is arranged in the automobile ball head body.
In the using process of the automobile ball head, the following defects exist: 1. the ball head is damaged due to abrasion and insufficient lubrication degree when the automobile runs for a long time, the connection of the steering pull rod is loosened, and the friction noise of the steering mechanism is increased, so that the sealing effect is poor; 2. the long-term loading and unloading also easily enable the wearing and tearing of extension pole screw thread department, easily arouse steering wheel shake and vehicle and sway, influence normal driving.
Disclosure of Invention
The utility model aims to solve the defects of the prior art that the automobile ball head is not tightly sealed and is easy to wear, and provides an automobile ball head with good sealing effect and an installation method thereof.
In order to solve the problems of the prior art that the automobile ball head is not tightly sealed and is easy to wear, the utility model adopts the following technical scheme:
the automobile ball head with the good sealing effect comprises an upper ball cover and a lower ball cover, wherein the upper ball cover and the lower ball cover are semicircular and are closed to form a hollow sphere, a circular through hole is formed in the middle of the top surface of the upper ball cover, a ball head rod is inserted into the circular through hole, a ball head is fixedly arranged at the bottom end of the ball head rod, and the ball head rod is connected with the upper ball cover through a sealing assembly;
the U-shaped clamp is clamped on the outer ring surface of the upper ball cover and the outer ring surface of the lower ball cover, a rectangular clamping block is clamped in the opening of the U-shaped clamp, a hollow cylinder is fixedly arranged on the outer side surface of the rectangular clamping block, a limiting through hole which is communicated with the hollow cylinder is formed in the middle of the rectangular clamping block, a threaded rod is inserted into the outer port of the hollow cylinder, a pull ring is fixedly arranged at the outer end part of the threaded rod, and the threaded rod is connected with the hollow cylinder through a threaded assembly.
Preferably, the sealing assembly comprises a first sealing ring and a second sealing ring, a first clamping ring which is concentrically fixedly connected is arranged at the inner top of the circular through hole, a second clamping ring which is concentrically fixedly connected is arranged at the inner bottom of the circular through hole, and the inner diameter of the first clamping ring is smaller than the inner diameter of the second clamping ring;
the inner annular surface of the first clamping ring is provided with a first sealing ring which is concentrically fixedly connected, the inner annular surface of the second clamping ring is provided with a second sealing ring which is concentrically fixedly connected, and the middle lower part of the ball head rod sequentially penetrates through the first sealing ring and the second sealing ring.
Preferably, the middle part is equipped with the indent snap ring of concentric rigid coupling in the circular through-hole, indent snap ring is located between first snap ring, the second snap ring, the lower part cover is equipped with the rubber ring of concentric rigid coupling in the middle of the ball head pole, just the outer loop surface slip card of rubber ring is on the inner loop surface of indent snap ring.
Preferably, the middle upper section part of the ball head rod is in a threaded rod shape, a fixing nut in threaded connection is sleeved on the middle upper section part of the ball head rod, a baffle ring and a second groove steel ring which are concentrically fixedly connected are sequentially sleeved on the middle upper section part of the ball head rod, a first groove steel ring which is concentrically fixedly connected is arranged on the top surface of the upper ball cover, and a dustproof telescopic cover in clamping connection is arranged on the opposite surfaces of the first groove steel ring and the second groove steel ring.
Preferably, the outer edge of the opposite surfaces of the upper ball cover and the lower ball cover are respectively provided with a double-ring groove, the outer edge of the opposite surfaces of the upper ball cover and the lower ball cover are respectively provided with an H-shaped sealing ring, the upper side edge and the lower side edge of each H-shaped sealing ring are respectively clamped in the double-ring grooves, and an inner interlayer of each H-shaped sealing ring is provided with an inner lining interlayer ring which is concentrically fixedly connected.
Preferably, the top surface outward flange of last spherical cap has seted up with last spherical cap, H type sealing ring, inside lining intermediate layer ring, the first bolt hole that the spherical cap link up down, every the inside of first bolt hole all inserts and is equipped with first bolt, the first nut that the cooperation was used, the oil filler point has been seted up at the bottom surface middle part of spherical cap down, the inside of oil filler point is inserted and is equipped with threaded connection's sealed oil plug.
Preferably, the outer ring surfaces of the upper ball cover and the lower ball cover are provided with a plurality of circular threaded holes, the outer ring surface of the U-shaped clamp is provided with a plurality of double-layer circular second bolt holes, a second bolt is inserted into each second bolt hole, and the inner end part of each second bolt is spirally inserted into the corresponding threaded hole;
third bolt holes penetrating through the rectangular clamping blocks are formed in two sides of the opening end portion of the U-shaped clamp, and a third bolt and a third nut which are matched with each other are inserted into each third bolt hole.
Preferably, the thread assembly comprises a planetary shaft and a thread bush, a pair of limiting snap rings which are arranged side by side and concentrically fixedly connected are arranged in the outer port of the hollow cylinder, each limiting snap ring is internally provided with a limiting swivel connected by rotating and clamping, a plurality of circularly arranged planetary shafts are inserted into the opposite surfaces of the limiting snap rings, two end parts of each planetary shaft are rotatably inserted into the opposite surfaces of the corresponding limiting swivel, the middle section part of each planetary shaft is sleeved with a thread bush concentrically fixedly connected, and a plurality of thread bushes are connected with a threaded rod in a threaded manner.
Preferably, the planetary gears of concentric rigid coupling are sleeved at both ends of the planetary shaft, a pair of internal gear rings are fixedly arranged on opposite surfaces of the limiting snap ring, a pair of external ring surfaces of the internal gear rings are fixedly connected with the inner wall of the hollow cylinder, each planetary gear is in meshed connection with the corresponding internal gear ring, an external hexagonal ring is arranged in an external port of the hollow cylinder, and the external hexagonal ring is fixedly connected with the adjacent limiting swivel.
The utility model also provides an installation method of the automobile ball head with good sealing effect, which comprises the following steps:
firstly, placing a ball head and a ball head rod into a hollow ball body formed by closing an upper ball cover and a lower ball cover, sequentially penetrating through a second sealing ring and a first sealing ring at the top end of the ball head rod and connecting with a fixing nut in a threaded manner, and fixedly mounting a dustproof telescopic cover between a first channel steel ring and a second channel steel ring;
the H-shaped sealing ring and the lining interlayer ring are arranged at the closing position of the upper spherical cover and the lower spherical cover in advance, so that the upper side edge and the lower side edge of the H-shaped sealing ring are clamped in the double-ring groove, and the upper spherical cover and the lower spherical cover are locked through the first bolt and the first nut;
the U-shaped clamp is sleeved on the outer ring surfaces of the upper ball cover and the lower ball cover, a rectangular clamping block is placed in an opening of the U-shaped clamp, the upper ball cover and the lower ball cover are locked through a second bolt, and the U-shaped clamp and the rectangular clamping block are locked through a third bolt and a third nut;
and step four, when the threaded rod and the pull ring are regulated, the rotary outer hexagonal ring drives the limiting swivel and the planetary shafts to revolve, the planetary gears drive the planetary shafts to rotate along the meshing action of the inner gear ring, so that the planetary shafts drive the threaded sleeve to rotate in a planetary manner, and the threaded sleeve and the threaded rod are in spiral action to drive the threaded rod to stretch and retract along the hollow cylinder.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, through the matched use of the sealing assembly, the horn-shaped through holes are formed on the inner annular surfaces of the first sealing ring and the second sealing ring, the middle part of the ball head rod is abutted against the inner annular surface of the first sealing ring, when the ball head rod is subjected to steering adjustment, the ball head rod can move in multiple directions along the first sealing ring, and as enough gaps are reserved between the outer diameter of the rubber ring and the inner diameter of the concave clamping ring, the rubber ring is driven to synchronously rotate and swing in the concave clamping ring during steering adjustment of the ball head rod, so that the tightness of the rubber ring and the concave clamping ring can be effectively ensured;
2. according to the utility model, through the matched use of the thread components, the plurality of planetary shafts synchronously drive the thread sleeve to perform planetary rotation, the thread sleeve and the threaded rod perform spiral action to drive the threaded rod to perform telescopic adjustment along the hollow cylinder, so that the planetary gear transmission device is a high-precision and high-efficiency transmission mode, and has the advantages of high precision, strong bearing capacity, good stability, long service life and the like compared with other transmission modes;
in summary, on the premise of the installation stability of the automobile ball head, the sealing effect of the automobile ball head is improved, the reliable and long-term use of the automobile ball head is ensured, external dust is prevented from entering the automobile ball head, and the service life of the ball head is prolonged.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:
FIG. 1 is a schematic diagram of a front view of the present utility model;
FIG. 2 is a schematic view of a front view of the present utility model;
FIG. 3 is an exploded view of the front view structure of the present utility model;
FIG. 4 is a schematic view of the upper and lower spherical caps according to the present utility model;
FIG. 5 is a schematic cross-sectional view of FIG. 4 in accordance with the present utility model;
FIG. 6 is an exploded view of FIG. 5 in accordance with the present utility model;
FIG. 7 is a schematic diagram of a rectangular latch and threaded rod according to the present utility model;
FIG. 8 is a schematic cross-sectional view of FIG. 7 in accordance with the present utility model;
FIG. 9 is an exploded view of FIG. 8 in accordance with the present utility model;
number in the figure: 1. a ball cover is arranged; 11. a first snap ring; 12. a second snap ring; 13. a concave snap ring; 14. a first seal ring; 15. a second seal ring; 16. an H-shaped sealing ring; 17. lining an interlayer ring; 18. a first channel steel ring; 2. a lower ball cover; 21. sealing the oil plug; 22. a ball head rod; 23. ball head; 24. a rubber ring; 25. a baffle ring; 26. a second channel steel ring; 27. a dust-proof telescopic cover; 28. a fixing nut; 3. a U-shaped clamp; 31. rectangular clamping blocks; 32. a hollow cylinder; 33. a threaded rod; 34. a pull ring; 4. a limiting snap ring; 41. an inner gear ring; 42. a limiting swivel; 43. a planetary shaft; 45. a planetary gear; 44. a thread sleeve; 46. an outer hexagonal ring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Embodiment one: the embodiment provides an automobile ball with good sealing effect, referring to fig. 1-9, specifically, the automobile ball comprises an upper ball cover 1 and a lower ball cover 2, wherein the upper ball cover 1 and the lower ball cover 2 are semicircular and are closed into hollow spheres, a circular through hole is formed in the middle of the top surface of the upper ball cover 1, a ball rod 22 is inserted into the circular through hole, a ball head 23 is fixedly arranged at the bottom end of the ball rod 22, and the ball rod 22 is connected with the upper ball cover 1 through a sealing assembly;
the outer ring surfaces of the upper ball cover 1 and the lower ball cover 2 are clamped with U-shaped clamping bands 3, rectangular clamping blocks 31 are clamped in openings of the U-shaped clamping bands 3, hollow cylinders 32 are fixedly arranged on the outer side surfaces of the rectangular clamping blocks 31, limiting through holes which are communicated with the hollow cylinders 32 are formed in the middle of the rectangular clamping blocks 31, threaded rods 33 are inserted into outer ports of the hollow cylinders 32, pull rings 34 are fixedly arranged at outer ends of the threaded rods 33, and the threaded rods 33 are connected with the hollow cylinders 32 through threaded assemblies.
In a specific implementation process, as shown in fig. 5 and 6, the sealing assembly comprises a first sealing ring 14 and a second sealing ring 15, wherein a first clamping ring 11 which is concentrically fixedly connected is arranged at the inner top of a circular through hole, a second clamping ring 12 which is concentrically fixedly connected is arranged at the inner bottom of the circular through hole, and the inner diameter of the first clamping ring 11 is smaller than the inner diameter of the second clamping ring 12;
the inner annular surface of the first clamping ring 11 is provided with a first sealing ring 14 which is concentrically fixedly connected, the inner annular surface of the second clamping ring 12 is provided with a second sealing ring 15 which is concentrically fixedly connected, and the middle lower part of the ball head rod 22 sequentially penetrates through the first sealing ring 14 and the second sealing ring 15;
the inner annular surfaces of the first sealing ring 14 and the second sealing ring 15 form a horn-shaped through hole, the middle part of the ball head rod 22 is abutted against the inner annular surface of the first sealing ring 14 to be tightly attached, and when the ball head rod 22 is used for steering adjustment, the ball head rod can move in multiple directions along the first sealing ring 14, and the second sealing ring 15 plays a limiting role.
In the specific implementation process, as shown in fig. 5 and 6, the middle-upper section of the ball head rod 22 is in a threaded rod shape, the middle-upper section of the ball head rod 22 is sleeved with a fixing nut 28 in threaded connection, the middle-upper section of the ball head rod 22 is sequentially sleeved with a baffle ring 25 and a second groove steel ring 26 which are concentrically fixedly connected, the top surface of the upper ball cover 1 is provided with a first groove steel ring 18 which is concentrically fixedly connected, and the opposite surfaces of the first groove steel ring 18 and the second groove steel ring 26 are provided with a dustproof telescopic cover 27 which is in clamping connection; the dust-proof telescopic cover 27 plays a role in dust prevention and sealing.
In the specific implementation process, as shown in fig. 5 and 6, the opposite outer edges of the upper spherical cap 1 and the lower spherical cap 2 are provided with double-ring grooves, the opposite outer edges of the upper spherical cap 1 and the lower spherical cap 2 are provided with H-shaped sealing rings 16, the upper side edge and the lower side edge of the H-shaped sealing rings 16 are clamped in the double-ring grooves, and the inner interlayer of the H-shaped sealing rings 16 is provided with inner lining interlayer rings 17 which are concentrically fixedly connected; the lining interlayer ring 17 enhances the firmness of the H-shaped sealing ring 16, and the clamping effect of the H-shaped sealing ring 16 and the double-ring groove enhances the sealing performance of the upper ball cover 1 and the lower ball cover 2.
The description is as follows: in the embodiment, the outer edge of the top surface of the upper spherical cap 1 is provided with first bolt holes communicated with the upper spherical cap 1, the H-shaped sealing ring 16, the lining interlayer ring 17 and the lower spherical cap 2, a first bolt and a first nut which are matched with each other are inserted into each first bolt hole, the middle part of the bottom surface of the lower spherical cap 2 is provided with an oil filling hole, and a sealing oil plug 21 in threaded connection is inserted into the oil filling hole; the upper spherical cap 1 and the lower spherical cap 2 are locked through the first bolt and the first nut, the sealing oil plug 21 is opened, and oil and lubrication can be injected into the upper spherical cap 1 and the lower spherical cap 2 through the oil injection holes;
the outer ring surfaces of the upper spherical cover 1 and the lower spherical cover 2 are provided with a plurality of threaded holes which are circularly arranged, the outer ring surface of the U-shaped clamp 3 is provided with a plurality of double-layer second bolt holes which are circularly arranged, the inside of each second bolt hole is inserted with a second bolt, and the inner end part of each second bolt is spirally inserted in the corresponding threaded hole; the U-shaped clamp 3, the upper spherical cover 1 and the lower spherical cover 2 are locked through a second bolt;
third bolt holes communicated with the rectangular clamping blocks 31 are formed in two sides of the opening end of the U-shaped clamp 3, and a third bolt and a third nut which are matched with each other are inserted into each third bolt hole; the U-shaped clamp 3 and the rectangular clamping block 31 are locked through the third bolt and the third nut.
Embodiment two: in the first embodiment, there is a problem that the sealing between the ball rod 22 and the first sealing ring 14 and the second sealing ring 15 is not tight, so the first embodiment further includes:
in the specific implementation process, as shown in fig. 5 and 6, the inner middle part of the circular through hole is provided with a concave snap ring 13 concentrically and fixedly connected, the concave snap ring 13 is positioned between the first snap ring 11 and the second snap ring 12, the middle lower part of the ball head rod 22 is sleeved with a rubber ring 24 concentrically and fixedly connected, and the outer annular surface of the rubber ring 24 is slidably clamped on the inner annular surface of the concave snap ring 13; since a sufficient gap is reserved between the outer diameter of the rubber ring 24 and the inner diameter of the concave clamping ring 13, when the ball head rod 22 is turned and adjusted, the rubber ring 24 is driven to synchronously rotate and swing in the concave clamping ring 13, and the tightness of the rubber ring 24 and the concave clamping ring 13 can be effectively ensured.
Embodiment III: in the first embodiment, there is also a problem that the length adjustment of the threaded rod 33 and the pull ring 34 is inconvenient, and therefore, the present embodiment further includes, based on the first embodiment:
in the specific implementation process, as shown in fig. 8 and 9, the screw thread assembly comprises planetary shafts 43 and screw thread sleeves 44, a pair of limiting snap rings 4 which are placed side by side and concentrically fixedly connected are arranged in the outer port of the hollow cylinder 32, limiting swivel rings 42 which are rotationally clamped and connected are arranged in the inner annular surface of each limiting snap ring 4, a plurality of circularly arranged planetary shafts 43 are inserted into the opposite surfaces of the limiting snap rings 4, two end parts of each planetary shaft 43 are rotationally inserted into the opposite surfaces of the corresponding limiting swivel rings 42, a screw thread sleeve 44 which is concentrically fixedly connected is sleeved on the middle section part of each planetary shaft 43, and a plurality of screw thread sleeves 44 are in threaded connection with the threaded rod 33; when a plurality of planetary shafts 43 rotate in a planetary manner, the screw sleeve 44 is synchronously driven to rotate in a planetary manner, the screw sleeve 44 and the threaded rod 33 act in a screw manner, the threaded rod 33 is driven to perform telescopic adjustment along the hollow cylinder 32, and the planetary shaft is a high-precision and high-efficiency transmission mode, and has the advantages of high precision, strong bearing capacity, good stability, long service life and the like compared with other transmission modes.
Embodiment four: in the third embodiment, there is also a problem that the planetary shaft 43 cannot perform planetary rotation, and therefore, the present embodiment further includes, on the basis of the third embodiment:
in the specific implementation process, as shown in fig. 8 and 9, two ends of a planetary shaft 43 are sleeved with planetary gears 45 concentrically fixedly connected, a pair of internal gear rings 41 are fixedly connected to opposite surfaces of a pair of limiting snap rings 4, an outer ring surface of each internal gear ring 41 is fixedly connected with the inner wall of a hollow cylinder 32, each planetary gear 45 is meshed with the corresponding internal gear ring 41, an outer hexagonal ring 46 is arranged in an outer port of the hollow cylinder 32, and the outer hexagonal ring 46 is fixedly connected with an adjacent limiting swivel 42; the rotating outer hexagonal ring 46 drives the limiting swivel 42 and the plurality of planetary shafts 43 to revolve, and the planetary gears 45 mesh with the inner gear ring 41 to drive the planetary shafts 43 to rotate, so that the planetary shafts 43 perform planetary rotation.
Fifth embodiment: specifically, the working principle and the operation method of the utility model are as follows:
firstly, placing a ball head 23 and a ball head rod 22 in a hollow ball body formed by closing an upper ball cover 1 and a lower ball cover 2, sequentially penetrating through a second sealing ring 15 and a first sealing ring 14 at the top end part of the ball head rod 22 and connecting with a fixing nut 28 in a threaded manner, and fixedly mounting a dustproof telescopic cover 27 between a first groove steel ring 18 and a second groove steel ring 26;
the H-shaped sealing ring 16 and the lining interlayer ring 17 are arranged at the closing positions of the upper spherical cover 1 and the lower spherical cover 2 in advance, so that the upper side edge and the lower side edge of the H-shaped sealing ring 16 are clamped in the double-ring-shaped groove, and the upper spherical cover 1 and the lower spherical cover 2 are locked through the first bolt and the first nut;
step three, the U-shaped clamp 3 is sleeved on the outer ring surfaces of the upper ball cover 1 and the lower ball cover 2, a rectangular clamping block 31 is placed in an opening of the U-shaped clamp 3, the upper ball cover 1 and the lower ball cover 2 are locked through a second bolt, and the U-shaped clamp 3 and the rectangular clamping block 31 are locked through a third bolt and a third nut;
step four, when adjusting the threaded rod 33 and the pull ring 34, the rotating outer hexagonal ring 46 drives the limiting swivel 42 and the plurality of planetary shafts 43 to revolve, the planetary gears 45 mesh along the inner gear ring 41 to drive the planetary shafts 43 to rotate, so that the planetary shafts 43 drive the threaded sleeve 44 to rotate in a planetary manner, and the threaded sleeve 44 and the threaded rod 33 act in a spiral manner to drive the threaded rod 33 to perform telescopic adjustment along the hollow cylinder 32.
On the premise of the installation stability of the automobile ball head, the sealing effect of the automobile ball head is improved, the reliable and long-term use of the automobile ball head is ensured, external dust is prevented from entering the automobile ball head, and the service life of the ball head is prolonged.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (10)

1. The utility model provides a sealed effectual car bulb, includes ball lid (1), lower ball lid (2), its characterized in that: the upper ball cover (1) and the lower ball cover (2) are semicircular and are closed to form hollow spheres, a circular through hole is formed in the middle of the top surface of the upper ball cover (1), a ball head rod (22) is inserted into the circular through hole, a ball head (23) is fixedly arranged at the bottom end of the ball head rod (22), and the ball head rod (22) is connected with the upper ball cover (1) through a sealing assembly;
go up spherical cap (1), outer ring face block of lower spherical cap (2) has U type clamp (3), the block has rectangle fixture block (31) in the opening of U type clamp (3), the lateral surface of rectangle fixture block (31) has set firmly hollow section of thick bamboo (32), the spacing through-hole that link up with hollow section of thick bamboo (32) has been seted up at the middle part of rectangle fixture block (31), the outer port interpolation of hollow section of thick bamboo (32) is equipped with threaded rod (33), the outer tip of threaded rod (33) has set firmly pull ring (34), threaded rod (33) are connected with hollow section of thick bamboo (32) through screw assembly.
2. The automobile ball head with good sealing effect according to claim 1, wherein: the sealing assembly comprises a first sealing ring (14) and a second sealing ring (15), wherein a first clamping ring (11) which is concentrically fixedly connected is arranged at the inner top of the circular through hole, a second clamping ring (12) which is concentrically fixedly connected is arranged at the inner bottom of the circular through hole, and the inner diameter of the first clamping ring (11) is smaller than the inner diameter of the second clamping ring (12);
the inner annular surface of the first clamping ring (11) is provided with a first sealing ring (14) which is concentrically fixedly connected, the inner annular surface of the second clamping ring (12) is provided with a second sealing ring (15) which is concentrically fixedly connected, and the middle lower part of the ball head rod (22) sequentially penetrates through the first sealing ring (14) and the second sealing ring (15).
3. The automobile ball head with good sealing effect according to claim 2, wherein: the middle part is equipped with indent snap ring (13) of concentric rigid coupling in the circular through-hole, indent snap ring (13) are located between first snap ring (11), second snap ring (12), the lower part cover is equipped with rubber ring (24) of concentric rigid coupling in the middle of bulb pole (22), just the outer ring face slip card of rubber ring (24) is on the inner ring face of indent snap ring (13).
4. A vehicle ball with good sealing effect according to claim 3, characterized in that: the middle-upper section part of the ball head rod (22) is in a threaded rod shape, a fixing nut (28) in threaded connection is sleeved on the middle-upper section part of the ball head rod (22), a baffle ring (25) and a second groove steel ring (26) which are concentrically fixedly connected are sequentially sleeved on the middle-upper section part of the ball head rod (22), a first groove steel ring (18) which is concentrically fixedly connected is arranged on the top surface of the upper ball cover (1), and a dustproof telescopic cover (27) which is connected in a clamping mode is arranged on the opposite surface of the first groove steel ring (18) and the second groove steel ring (26).
5. The automobile ball head with good sealing effect according to claim 4, wherein: the double-ring type sealing structure is characterized in that double-ring type grooves are formed in the outer edges of opposite surfaces of the upper ball cover (1) and the lower ball cover (2), H-shaped sealing rings (16) are arranged on the outer edges of opposite surfaces of the upper ball cover (1) and the lower ball cover (2), the upper side edge and the lower side edge of each H-shaped sealing ring (16) are clamped in the double-ring type grooves, and inner interlayers of the H-shaped sealing rings (16) are provided with inner lining interlayer rings (17) which are fixedly connected in a concentric mode.
6. The automobile ball head with good sealing effect according to claim 5, wherein: the top surface outward flange of last spherical cap (1) is offered and is link up with last spherical cap (1), H type sealing ring (16), inside lining intermediate layer ring (17), lower spherical cap (2) first bolt hole, every the inside of first bolt hole all is inserted and is equipped with first bolt, the first nut that the cooperation was used, the oil filler point has been seted up at the bottom surface middle part of lower spherical cap (2), sealed oil plug (21) of threaded connection have been inserted to the inside of oil filler point.
7. The automobile ball head with good sealing effect according to claim 6, wherein: the U-shaped clamp comprises an upper spherical cover (1) and a lower spherical cover (2), wherein the outer annular surfaces of the upper spherical cover and the lower spherical cover (2) are provided with a plurality of threaded holes which are circularly arranged, the outer annular surface of the U-shaped clamp (3) is provided with a plurality of double-layer second bolt holes which are circularly arranged, a second bolt is inserted into each second bolt hole, and the inner end part of each second bolt is spirally inserted into the corresponding threaded hole;
third bolt holes communicated with the rectangular clamping blocks (31) are formed in two sides of the opening end portion of the U-shaped clamp (3), and third bolts and third nuts matched with each other are inserted into the third bolt holes.
8. The effectual automobile ball of sealing of claim 7, wherein: the utility model provides a hollow cylinder, including hollow cylinder (32), screw thread subassembly is equipped with spacing snap ring (4) of just concentric rigid coupling in the outer port of hollow cylinder (32), every all be equipped with spacing swivel (42) that rotation block is connected in the interior anchor ring of spacing snap ring (4), a pair of the opposite face of spacing snap ring (4) is inserted and is equipped with a plurality of circular arrangement's planet axle (43), every the opposite face at a pair of spacing swivel (42) is all inserted in the rotation of both ends of planet axle (43), every the middle section part of planet axle (43) all overlaps and is equipped with thread bush (44) of concentric rigid coupling, a plurality of thread bush (44) and threaded rod (33) threaded connection.
9. The effectual automobile ball of sealing of claim 8, wherein: planetary gear (45) of concentric rigid coupling are equipped with to the both ends cover of planet axle (43), a pair of the opposite face of spacing snap ring (4) has set firmly a pair of internal gear ring (41), a pair of the outer ring face of internal gear ring (41) and the inner wall rigid coupling of hollow section of thick bamboo (32), every planetary gear (45) all are connected with the meshing of corresponding internal gear ring (41), be equipped with outer hexagonal ring (46) in the outer port of hollow section of thick bamboo (32), outer hexagonal ring (46) and adjacent spacing swivel (42) rigid coupling.
10. The method for installing a ball head of an automobile with good sealing effect according to claim 9, comprising the steps of:
firstly, placing a ball head (23) and a ball head rod (22) in a hollow ball formed by closing an upper ball cover (1) and a lower ball cover (2), sequentially penetrating a second sealing ring (15) and a first sealing ring (14) at the top end part of the ball head rod (22) and connecting with a fixing nut (28) in a threaded manner, and fixedly mounting a dustproof telescopic cover (27) between a first groove steel ring (18) and a second groove steel ring (26);
the second step, the H-shaped sealing ring (16) and the lining interlayer ring (17) are arranged at the closing positions of the upper spherical cover (1) and the lower spherical cover (2) in advance, so that the upper side edge and the lower side edge of the H-shaped sealing ring (16) are clamped in the double-ring-shaped groove, and then the upper spherical cover (1) and the lower spherical cover (2) are locked through the first bolt and the first nut;
the U-shaped clamp (3) is sleeved on the outer ring surfaces of the upper ball cover (1) and the lower ball cover (2), a rectangular clamping block (31) is placed in an opening of the U-shaped clamp (3), the upper ball cover (1) and the lower ball cover (2) are locked through a second bolt, and the U-shaped clamp (3) and the rectangular clamping block (31) are locked through a third bolt and a third nut;
step four, when adjusting threaded rod (33) and pull ring (34), rotatory outer hexagonal ring (46) drives spacing swivel (42), a plurality of planet axle (43) and revolves, and planetary gear (45) are along the meshing effect of internal gear ring (41), drive planet axle (43) and rotate for planet axle (43) drive thread bush (44) and carry out planetary rotation, the spiral effect of thread bush (44) and threaded rod (33), drive threaded rod (33) and carry out telescopic adjustment along hollow section of thick bamboo (32).
CN202310887656.9A 2023-07-19 2023-07-19 Automobile ball head with good sealing effect and mounting method thereof Pending CN116677707A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310887656.9A CN116677707A (en) 2023-07-19 2023-07-19 Automobile ball head with good sealing effect and mounting method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310887656.9A CN116677707A (en) 2023-07-19 2023-07-19 Automobile ball head with good sealing effect and mounting method thereof

Publications (1)

Publication Number Publication Date
CN116677707A true CN116677707A (en) 2023-09-01

Family

ID=87791172

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310887656.9A Pending CN116677707A (en) 2023-07-19 2023-07-19 Automobile ball head with good sealing effect and mounting method thereof

Country Status (1)

Country Link
CN (1) CN116677707A (en)

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