CN220791786U - Inner hole type spline bearing for automobile trunk support rod - Google Patents

Abstract

The utility model discloses an inner hole type spline bearing for a support rod of an automobile trunk, which comprises a flange plate and an outer ring, wherein the outer ring is welded between two ends of the inner center of the flange plate, a clamping ring is arranged between two ends of the inner center of the outer ring, three groups of fixing grooves are arranged on the outer side of the clamping ring, three groups of containing grooves are arranged on the inner side of the outer ring, and inserted bars are fixedly welded at the top end and the bottom end of the inside of the containing grooves respectively. This an hole formula spline bearing for vapour car trunk bracing piece is through being provided with three groups at the inboard of outer loop and accomodate the groove, pulls the pull ring in grooved outside, pulls the inserted block along here, makes it rely on the spacing groove to take in along the inserted bar and accomodates the inslot, treat the fixed slot in the joint ring outside and accomodate the groove and align the back, alright unclamp the pull ring, the spring extrusion inserted block and make it get into in the fixed slot, can accomplish the installation fixedly of outer loop and joint ring, has solved the inconvenient problem of changing of interior accessory.

Description

Inner hole type spline bearing for automobile trunk support rod

Technical Field

The utility model relates to the technical field of spline bearings, in particular to an inner hole type spline bearing for a support rod of an automobile trunk.

Background

The spline bearing is characterized in that a plurality of identical notches are formed in the lantern ring and used for plugging an object matched with the shaft body, an annular groove for the rotation of the balls is formed in the inner wall of the lantern ring, the rod body can be stably conveyed to slide, the spline bearing can be uniformly contacted with the balls, the uniformity of the abrasion degree is maintained, the stability of the shaft body in conveying can be ensured, most of the conventional internal control spline bearings are assembled and completed when the shaft body is delivered, the internal parts are tightly clamped and fixed together in a seam manner, the internal parts are easy to be inconvenient to open, the accessory can be replaced and maintained, the internal parts can only be integrally replaced, and the cost is unavoidably increased.

Now, a novel female spline bearing for a trunk support rod of an automobile is provided to solve the problems.

Disclosure of Invention

The utility model aims to provide an inner hole type spline bearing for a trunk support rod of an automobile, which is used for solving the problem that the prior art brings forward inconvenient replacement of internal fittings.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an female spline bearing for vapour car trunk bracing piece, includes ring flange and outer loop, the welding has the outer loop between the both ends of the inside center department of ring flange, be provided with the joint ring between the both ends of the inside center department of outer loop, the outside of joint ring is provided with three group's fixed slots, the inboard of outer loop is provided with three group's storage tank, the inside top of storage tank has the inserted bar with the bottom fixed welding respectively, the outside activity of inserted bar has cup jointed the inserted block, be provided with the spacing groove between the both sides of the inside top of inserted block and bottom respectively, top and bottom between one side of storage tank have welded the spring respectively, the center department of storage tank outside is provided with the fluting, grooved inside activity grafting has the pull ring, be provided with three group's annular chamber between the inside both ends of joint ring, the inside swing joint of annular chamber has the ball.

Preferably, one side of the inserted link is embedded in the limit groove, and one side of the pull ring is fixedly connected with the inserted block.

Preferably, the outside of joint ring is provided with three groups of notch, one side activity of notch front end articulates there is the cover plate, the front end fixedly connected with sponge piece of cover plate, the inside fixedly connected with stopper of notch, the inside swing joint of stopper has two sets of steel balls, the steel ball sets up the outside at annular cavity.

Preferably, the cover plate can be turned over in place outside the notch, and the sponge block can be contacted with the steel ball.

Preferably, the right side activity at ring flange both ends articulates there is the apron, be provided with four sets of screws between the both ends of apron and the inside ring flange, the inside center department of apron is provided with the circular slot, the inside fixed dust guard that inserts in circular slot, swing joint has the bolt between the one end of screw.

Preferably, the inner diameter of the circular groove is matched with the diameter of the dust-proof plate, and the cover plate, the circular groove and the dust-proof plate are arranged in concentric circles.

Compared with the prior art, the utility model has the beneficial effects that: the inner hole type spline bearing for the automobile trunk support rod not only realizes the convenience of opening the bearing and lubricating balls, but also prevents dust from entering the bearing;

by arranging three groups of containing grooves on the inner side of the outer ring, pulling the pull ring at the outer side of the groove, pulling the insert block along the position, enabling the insert block to be contained in the containing groove along the insert rod by virtue of the limiting groove, loosening the pull ring after the fixing groove on the outer side of the clamping ring is aligned with the containing groove, enabling the insert block to be extruded by the spring and enter the fixing groove, and thus the outer ring and the clamping ring can be mounted and fixed, and the disassembly and the maintenance are quite convenient;

three groups of slots are formed in the outer side of the clamping ring, a cover plate is opened from the slots in the front, lubricating oil is dripped on the exposed sponge block, after the sponge block is closed, the lubricating oil can be transferred to the surface of the sponge block through contact of the sponge block and steel balls in the limiting block, the steel balls can be synchronously lubricated after contact between the steel balls and the movable balls is generated, and friction resistance between the sponge block and the shaft body is relieved;

through the right side activity articulated at ring flange front end has the apron, and the articulated apron at closed both ends runs through the pivot and installs between the inside both ends of joint ring, and the both ends of this thing inlay respectively in the dust guard, hide around by ventilative dust guard, and the hole that the independent shaft body caused supplies its operation, can prevent from both ends that the foreign matter from getting into inside the bearing after tightening the bolt in the screw, dismantle and change also very convenient.

Drawings

FIG. 1 is a schematic cross-sectional elevation view of the present utility model;

FIG. 2 is a schematic side cross-sectional view of the annular chamber of the present utility model;

FIG. 3 is a schematic diagram showing a front sectional structure of a receiving groove according to the present utility model;

fig. 4 is a schematic diagram of a front cross-sectional structure of a slot of the present utility model.

In the figure: 1. a flange plate; 2. an outer ring; 3. a cover plate; 4. a bolt; 5. a storage groove; 6. an annular chamber; 7. a ball; 8. slotting; 9. a pull ring; 10. a cover plate; 11. a screw hole; 12. a circular groove; 13. a dust-proof plate; 14. a clamping ring; 15. a fixing groove; 16. inserting blocks; 17. a limit groove; 18. a rod; 19. a spring; 20. a notch; 21. a sponge block; 22. a limiting block; 23. and (5) steel balls.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1: referring to fig. 1-4, an inner hole type spline bearing for a support rod of an automobile trunk comprises a flange plate 1 and an outer ring 2, wherein the outer ring 2 is welded between two ends of the inner center of the flange plate 1, a clamping ring 14 is arranged between two ends of the inner center of the outer ring 2, three groups of fixing grooves 15 are arranged on the outer side of the clamping ring 14, three groups of containing grooves 5 are arranged on the inner side of the outer ring 2, inserting rods 18 are fixedly welded at the top end and the bottom end of the inner side of the containing grooves 5 respectively, inserting blocks 16 are movably sleeved on the outer sides of the inserting rods 18, limiting grooves 17 are respectively arranged between two sides of the top end and the bottom end of the inner side of the inserting blocks 16, springs 19 are respectively welded at the top and the bottom of one side of the containing grooves 5, a slot 8 is arranged at the center of the outer side of the containing grooves 8, a pull ring 9 is movably spliced in the inner side of the slot 8, three groups of annular cavities 6 are arranged between two ends of the inner side of the clamping ring 14, and balls 7 are movably connected in the annular cavities 6;

one side of the inserted link 18 is embedded in the limit groove 17, and one side of the pull ring 9 is fixedly connected with the insert block 16;

specifically, as shown in fig. 1 and 2, the pull ring 9 is pulled at the outer side of the slot 8, the insert block 16 is pulled along the slot, so that the insert block is retracted into the receiving slot 5 along the insert rod 18 by means of the limit slot 17, after the fixing slot 15 at the outer side of the clamping ring 14 is aligned with the receiving slot 5, the pull ring 9 can be released, and the spring 19 presses the insert block 16 and makes it enter the fixing slot 15, so that the installation and fixation of the outer ring 2 and the clamping ring 14 can be completed.

Example 2: three groups of slots 20 are formed in the outer side of the clamping ring 14, a cover plate 3 is movably hinged to one side of the front end of each slot 20, a sponge block 21 is fixedly connected to the front end of each cover plate 3, a limiting block 22 is fixedly connected to the inside of each slot 20, two groups of steel balls 23 are movably connected to the inside of each limiting block 22, the steel balls 23 are arranged outside the annular chamber 6, the cover plate 3 can be turned over in situ outside the slots 20, and the sponge blocks 21 can be in contact with the steel balls 23;

specifically, as shown in fig. 1 and 3, the cover plate 3 is opened from the plurality of notches 20 in the front, lubricating oil is dripped onto the exposed sponge block 21, after the sponge block 21 is closed, the oil is transferred to the surface of the sponge block through the contact between the sponge block 21 and the steel balls 23 in the limiting block 22, and when the steel balls 23 are contacted with the movable balls 7, the balls 7 can be synchronously lubricated.

Example 3: the right sides of the two ends of the flange plate 1 are movably hinged with cover plates 10, four groups of screw holes 11 are formed between the cover plates 10 and the two ends of the inside of the flange plate 1, a circular groove 12 is formed in the center of the inside of the cover plates 10, a dust-proof plate 13 is fixedly inserted in the circular groove 12, bolts 4 are movably connected between one ends of the screw holes 11, the inner diameter of the circular groove 12 is matched with the diameter of the dust-proof plate 13, and the cover plates 10, the circular groove 12 and the dust-proof plate 13 are concentrically arranged;

specifically, as shown in fig. 1 and 4, the hinged cover plates 10 at two ends are closed, the rotating shaft is installed between two ends of the inside of the clamping ring 14 in a penetrating manner, two ends of the object are respectively embedded in the dust-proof plate 13, the periphery is shielded by the air-permeable dust-proof plate 13, holes formed by the independent shaft bodies are reserved for the operation of the object, and foreign matters can be prevented from entering the bearing from two ends after the bolts 4 in the screw holes 11 are screwed.

Working principle: when the utility model is used, firstly, the pull ring 9 is pulled at the outer side of the slot 8, the insert block 16 is pulled along the slot, the insert block 16 is retracted into the accommodating groove 5 along the insert rod 18 by virtue of the limit groove 17, after the fixing groove 15 at the outer side of the clamping ring 14 is aligned with the accommodating groove 5, the pull ring 9 can be loosened, the insert block 16 is extruded by the spring 19 and enters the fixing groove 15, the installation and fixation of the outer ring 2 and the clamping ring 14 can be completed, the disassembly and the maintenance are quite convenient, then the hinged cover plates 10 at the two ends are closed, the rotating shaft penetrates through the two ends of the clamping ring 14, the two ends of the object are respectively embedded into the dustproof plate 13, holes which are formed by the ventilation dustproof plate 13 are reserved for the operation, foreign matters can be prevented from entering the inside of the bearing from the two ends after the bolts 4 in the screw holes 11 are screwed, the cover plate 3 is opened from the front, lubricating oil is dripped on the exposed sponge block 21, after the object is closed, the sponge block 21 is in contact with the steel balls 23 of the sponge block 22, the surface to be transferred to the surface of the sponge block through the contact of the steel balls 23, and the rolling balls 7 can be synchronously contacted with the balls 7.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. An female spline bearing for an automobile trunk support rod comprises a flange plate (1) and an outer ring (2), and is characterized in that: the novel ring-shaped steel ring is characterized in that an outer ring (2) is welded between two ends of the inner center of the flange plate (1), a clamping ring (14) is arranged between two ends of the inner center of the outer ring (2), three groups of fixing grooves (15) are formed in the outer side of the clamping ring (14), three groups of containing grooves (5) are formed in the inner side of the outer ring (2), inserting rods (18) are fixedly welded to the inner top ends and the bottom ends of the containing grooves (5) respectively, inserting blocks (16) are movably sleeved on the outer sides of the inserting rods (18), limiting grooves (17) are formed between two sides of the inner top ends and the bottom ends of the inserting blocks (16), springs (19) are welded to the top and the bottom of one side of the containing grooves (5) respectively, grooves (8) are formed in the center of the outer side of the containing grooves, three groups of annular chambers (6) are movably spliced with pull rings (9), and balls (7) are movably connected between the two ends of the inner sides of the inner side of the clamping ring (14).

2. A female spline bearing for an automotive trunk support bar as claimed in claim 1 wherein: one side of the inserted link (18) is embedded in the limit groove (17), and one side of the pull ring (9) is fixedly connected with the insert block (16).

3. A female spline bearing for an automotive trunk support bar as claimed in claim 1 wherein: the outside of joint ring (14) is provided with three groups of notch (20), one side activity of notch (20) front end articulates there is cover plate (3), the front end fixedly connected with sponge piece (21) of cover plate (3), the inside fixedly connected with stopper (22) of notch (20), the inside swing joint of stopper (22) has two sets of steel balls (23), steel balls (23) set up the outside at annular cavity (6).

4. A female spline bearing for an automotive trunk support bar as claimed in claim 3 wherein: the cover plate (3) can be turned over in place outside the notch (20), and the sponge block (21) can be contacted with the steel ball (23).

5. A female spline bearing for an automotive trunk support bar as claimed in claim 1 wherein: the right side activity at ring flange (1) both ends articulates there is apron (10), be provided with four sets of screw (11) between the both ends of apron (10) and ring flange (1) inside, the inside center department of apron (10) is provided with circular slot (12), dust guard (13) have been fixedly installed to the inside of circular slot (12), swing joint has bolt (4) between the one end of screw (11).

6. A female spline bearing for an automotive trunk support bar as claimed in claim 5 wherein: the inner diameter of the circular groove (12) is matched with the diameter of the dust-proof plate (13), and the cover plate (10), the circular groove (12) and the dust-proof plate (13) are arranged in concentric circles.