Ball ring for universal joint

Abstract

The utility model relates to the field of universal joint ball ring design, and discloses a ball ring for a universal joint, which comprises a ball ring body, a movable retainer ring and a universal joint connecting ring, a fixed retainer ring is arranged at one end of the ball ring body close to a universal joint body, the movable retainer ring is sleeved at one end of the ball ring body far away from the universal joint body, and the fixed retainer ring is connected with the universal joint connecting ring. The universal joint connecting ring is arranged between the movable check ring and the fixed check ring; when the ball ring body and the universal joint body are in a connected state, the universal joint movable connecting column on the universal joint body is arranged in the universal joint connecting ring, and when the universal joint movable connecting column is stressed to swing, the universal joint movable connecting column is arranged in the universal joint connecting ring. The universal joint connecting ring slides and moves between the movable check ring and the fixed check ring in the axial direction of the ball ring body. According to the utility model, when the universal joint connecting ring generates axial sliding movement, the acting force generated by the swinging of the universal joint on the ball ring body can be eliminated, and the service life of the ball ring body is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of universal joint ball ring design, in particular to a ball ring for universal joint. BACKGROUND

[0002] The universal joint is a universal joint, which is a machine part for realizing variable angle power transmission, and is used in positions where the direction of transmission axis needs to be changed. The universal joint and the transmission shaft are combined, and are called a universal joint transmission device. The universal joint output end is provided with a ball ring for receiving the swing output thereof. The existing ball ring for the universal joint has a small amount of movement. The swing force generated by the universal joint on the ball ring during movement is large, which may cause the ball ring to be clamped into the mounting seat, affecting the autonomy and flexibility of the universal joint work. The swing force of the universal joint will have a certain degree of impact on the universal joint ball ring, accelerating the wear rate of the universal joint ball ring. Therefore, a ball ring for universal joint is proposed. SUMMARY

[0003] (I) Technical problem to be solved

[0004] To solve at least one aspect of the above problem, the utility model first provides a ball ring for universal joint, which can design a space for axial sliding movement of the universal joint in the ball ring, eliminate the swing force of the universal joint, improve the installation and swing adjustment efficiency of the ball ring for the universal joint, and improve its practicability.

[0005] (II) Technical scheme

[0006] To solve the technical problem, the utility model provides a ball ring for universal joint, which comprises a ball ring body, a movable retaining ring and a universal joint connecting ring. One end of the ball ring body close to the universal joint body is provided with a fixed retaining ring. The movable retaining ring is sleeved on the end of the ball ring body away from the universal joint body. The universal joint connecting ring is arranged between the movable retaining ring and the fixed retaining ring. When the ball ring body and the universal joint body are in a connected state, a universal joint movable connecting column on the universal joint body is placed in the universal joint connecting ring. When the universal joint movable connecting column is stressed and swings, the universal joint connecting ring is moved and slides along the axial direction of the ball ring body between the movable retaining ring and the fixed retaining ring.

[0007] Further, a limiting clamping groove is arranged on the ball ring body corresponding to the movable retaining ring. The movable retaining ring is embedded in the limiting clamping groove. The inner diameter of the limiting clamping groove is 1-1.5mm larger than the outer diameter of the movable retaining ring.

[0008] Further, the ball ring body is provided with an anti-disengagement sleeve ring at the axial outer end of the limiting clamping groove. The anti-disengagement sleeve ring and the ball ring body form a first movable cavity in the limiting clamping groove for accommodating the movable retaining ring.

[0009] Further, a plurality of groups of built-in reinforcing columns are uniformly arranged between the spherical ring body and the universal joint connecting ring, and a space between the fixed blocking ring and the movable blocking ring is a second movable cavity for the universal joint connecting ring and the built-in reinforcing columns to move.

[0010] Further, spherical end heads are arranged at both ends of the built-in reinforcing columns, and movable gaps are arranged between the built-in reinforcing columns and the spherical ring body and the universal joint connecting ring.

[0011] Further, a dust removal gap is arranged on the movable blocking ring.

[0012] Further, a group of arc-shaped extension walls are arranged on the outer wall edges of the spherical ring body, and the arc-shaped extension walls are designed to be open towards the outer ends.

[0013] Further, a plurality of groups of positioning columns are uniformly arranged on the outer ends of the universal joint body, and the outer ends of the universal joint body are fixedly connected with a plurality of groups of the universal joint movable connecting columns through the plurality of groups of the positioning columns.

[0014] (Three) beneficial effects

[0015] The universal joint spherical ring provided by the utility model has the advantages of simple structure, and the fixed blocking ring is fixedly arranged at one end of the spherical ring body to realize the limiting installation of the universal joint connecting ring, the movable blocking ring is arranged at the other end of the universal joint connecting ring to limit the movable range, when the universal joint connecting ring axially slides and moves under the action force of the universal joint movable connecting column, the action force generated by the universal joint swing on the spherical ring body can be eliminated, the spherical ring is prevented from being clamped into the mounting seat, the impact and wear and tear influence on the spherical ring body are reduced, and the service life of the spherical ring body is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure schematic view of the universal joint spherical ring of the utility model embodiment;

[0017] Figure 2 It is an internal structure schematic view of the universal joint spherical ring of the utility model embodiment;

[0018] Figure 3 It is a body structure schematic view of the universal joint spherical ring of the utility model embodiment;

[0019] Figure 4 It is an A-A sectional view of the universal joint spherical ring of the utility model embodiment;

[0020] Figure 5 It is a structure schematic view of the B area of the universal joint spherical ring of the utility model embodiment;

[0021] Figure 6 It is a structure schematic view of the universal joint body of the universal joint spherical ring of the utility model embodiment;

[0022] Figure 7 Figure 1 is a schematic view of the mounting structure of the ball ring and the universal joint body of the embodiment of the present application.

[0023] Mark explanation:

[0024] 1 is a ball ring body, 101 is an arc-shaped extension wall, 102 is an anti-dropping sleeve ring, 103 is a limiting slot, 104 is a fixed stop ring, 105 is a first movable cavity, 106 is a second movable cavity, 2 is a movable stop ring, 201 is a dust removal gap, 3 is a universal joint connecting ring, 4 is an embedded reinforcing column, 5 is a universal joint movable connecting column, 6 is a positioning column, and 7 is a universal joint body. Specific implementation

[0025] In order to make the above-mentioned purpose, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings.

[0026] Reference Figures 1 to 7 , the embodiment of the present application provides a ball ring for a universal joint, which comprises a ball ring body 1, a movable stop ring 2 and a universal joint connecting ring 3, one end of the ball ring body 1 close to a universal joint body 7 is provided with a fixed stop ring 104, the movable stop ring 2 is sleeved on one end of the ball ring body 1 away from the universal joint body 7, and the universal joint connecting ring 3 is arranged between the movable stop ring 2 and the fixed stop ring 104; when the ball ring body 1 and the universal joint body 7 are in a connected state, a universal joint movable connecting column 5 on the universal joint body 7 is placed in the universal joint connecting ring 3, when the universal joint movable connecting column 5 is forced to swing, the universal joint connecting ring 3 slides and moves between the movable stop ring 2 and the fixed stop ring 104 along the axial direction of the ball ring body 1, the ball ring body 1 and the fixed stop ring 104 are designed in one piece, that is, the ball ring body 1 is limited to connect the universal joint movable connecting column 5 by one end of the fixed stop ring 104, when the universal joint body 7 is forced to affect the universal joint movable connecting column 5 to drive the universal joint connecting ring 3 to slide and move in the axial direction of the ball ring body 1, the universal joint connecting ring 3 will be intercepted and protected by the fixed stop ring 104, so that the universal joint connecting ring 3 can be limited to always be in the ball ring body 1, the movable stop ring 2 cooperates with the fixed stop ring 104 to realize the movement limiting of the universal joint connecting ring 3, affected by the movement of the universal joint connecting ring 3, the specific connection position relationship between the movable stop ring 2 and the ball ring body 1 will be changed, but the movable stop ring 2 will not be separated from the ball ring body 1, the connection structure is flexible and stable, can change the connection and movement mode of the universal joint connecting ring 3 to the universal joint movable connecting column 5 on the basis of ensuring the action adjustment of the universal joint body 7 to the ball ring body 1, and improve the use flexibility of the universal joint body 7 and the ball ring body 1.

[0027] Reference Figure 3 , Figure 4 and Figure 5, the ball ring body 1 is provided with a limiting clamping groove 103 corresponding to the movable retaining ring 2, the movable retaining ring 2 is embedded in the limiting clamping groove 103, and the inner diameter of the limiting clamping groove 103 is greater than the outer diameter of the movable retaining ring 2 by 1-1.5 mm, the ball ring body 1 limits the installation of the movable retaining ring 2 by being provided with the limiting clamping groove 103, that is, the movable retaining ring 2 moves in the limiting clamping groove 103 under the influence of the movement of the universal joint connecting ring 3, the movable retaining ring 2 is not fixedly arranged on the ball ring body 1, and the influence of the swing force on the ball ring assembly can be eliminated when the universal joint assembly is subjected to force.

[0028] The ball ring body 1 is provided with an anti-disengagement sleeve 102 at the axial outer end of the limiting clamping groove 103, the anti-disengagement sleeve 102 and the ball ring body 1 form a first movable cavity 105 accommodating the movement of the movable retaining ring 2 in the limiting clamping groove 103, and the ball ring body 1 is provided with the anti-disengagement sleeve 102 to limit the movable retaining ring 2, that is, when the universal joint connecting ring 3 moves and impacts the movable retaining ring 2 to move in the first movable cavity 105, the movable retaining ring 2 can be prevented from disengaging from the ball ring body 1 through the anti-disengagement sleeve 102.

[0029] Referring to Figure 2 The ball ring body 1 and the universal joint connecting ring 3 are uniformly provided with a plurality of built-in reinforcing columns 4, and the space between the fixed retaining ring 104 and the movable retaining ring 2 is set as a second movable cavity 106 for the movement of the universal joint connecting ring 3 and the built-in reinforcing column 4, the built-in reinforcing column 4 can enhance the limitation of the ball ring body 1 on the movable area of the universal joint connecting ring 3, the universal joint connecting ring 3 and the built-in reinforcing column 4 move in the second movable cavity 106 under force, the universal joint connecting ring 3 and the built-in reinforcing column 4 can generate mutual force under the influence of an angle, and the force of the universal joint body 7 on the overall assembly of the ball ring body 1 can be decomposed.

[0030] The built-in reinforcing column 4 is respectively provided with a spherical end at both ends, and the built-in reinforcing column 4 is provided with a movable gap between the ball ring body 1 and the universal joint connecting ring 3, when the built-in reinforcing column 4 moves in the second movable cavity 106 under force, the spherical end faces provided at both ends of the built-in reinforcing column 4 will respectively generate irregular impact movements on the movable retaining ring 2 and the fixed retaining ring 104, the spherical end faces provide better stress distribution when the built-in reinforcing column 4 moves under force, and the risk of concentrated stress on the movable retaining ring 2 and the fixed retaining ring 104 is reduced.

[0031] Referring to Figure 1 and Figure 4 The movable retaining ring 2 is provided with a dust removal gap 201, the dust removal gap 201 is obliquely arranged along the structure of the movable retaining ring 2, the length of the dust removal gap 201 can be effectively increased, the dust removal gap 201 extends inward from the contact end of the anti-disengagement sleeve 102, and can communicate with all the through grooves in the ball ring body 1, dust particles in the ball ring body 1 can be shaken out from the dust removal gap 201 when the ball ring body 1 is subjected to force and swings, and dust removal protection is achieved on the ball ring body 1 and the assembly thereof.

[0032] And the dust removal gap 201 is arranged to establish the connection between all the through grooves in the ball ring body 1 and the outside, so that the heat generated by the friction between the components and the stress of the universal joint connecting ring 3 can be effectively released, and the negative effects of high temperature on the connection and use of the components can be avoided.

[0033] Referring to Figure 4 and Figure 5 , the outer wall of the ball ring body 1 is provided with a group of arc extension walls 101, and the arc extension walls 101 are designed to be opened outward, so that the length of the outer wall of the ball ring body 1 is effectively extended, the thickness of the ball ring body 1 is increased, and the thickness of the connecting structure of the movable stop ring 2 and the fixed stop ring 104 is effectively increased, so that the limiting control strength of the movable stop ring 2 and the fixed stop ring 104 is increased.

[0034] Referring to Figure 6 and Figure 7 , the outer end of the universal joint body 7 is uniformly provided with a plurality of positioning columns 6, the outer end of the universal joint body 7 is fixedly connected with the plurality of universal joint movable connecting columns 5 through the plurality of positioning columns 6, and the universal joint movable connecting column 5 is supported by the length of the positioning column 6 itself to prevent the universal joint movable connecting column 5 from being pulled out and moved, so that the universal joint body 7 and the ball ring body 1 are prevented from colliding due to too short distance, and the connection and use safety of the universal joint assembly is ensured.

[0035] The universal joint ball ring provided by the embodiment of the utility model is arranged with the fixed stop ring 104 in the ball ring body 1 to limit the installation of the universal joint connecting ring 3, so that the connection between the ball ring body 1 assembly and the universal joint body 7 assembly is established, when the universal joint body 7 applies force to the universal joint connecting ring 3 through the universal joint movable connecting column 5, the universal joint movable connecting column 5 will not be separated from the ball ring body 1, so that the connection firmness of the ball ring body 1 to the universal joint body 7 is ensured, the movable stop ring 2 will move in the first movable cavity 105 along with the universal joint connecting ring 3, the swing stress of the ball ring body 1 is adjusted, the movable stop ring 2 will not be separated from the ball ring body 1, the universal joint connecting ring 3 is prevented from being separated from the ball ring body 1, the limiting connection of the ball ring body 1 to the universal joint movable connecting column 5 is established, and the influence of the stress swing force of the universal joint assembly on the ball ring body 1 can be eliminated during the movement of the universal joint connecting ring 3 driven by the universal joint movable connecting column 5, the structure performance is superior, and the use experience is good.

[0036] Although the present disclosure is disclosed as above, the protection scope of the present disclosure is not limited to this. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present disclosure, and these changes and modifications will fall within the protection scope of the utility model.

Claims

1. A ball ring for a cardan joint, characterized in that The utility model relates to a ball ring body (1), movable baffle (2) and universal joint connecting ring (3), the ball ring body (1) is equipped with fixed baffle (104) near one end of universal joint body (7), the movable baffle (2) is set in the ball ring body (1) away from one end of universal joint body (7), the universal joint connecting ring (3) is arranged between movable baffle (2) and fixed baffle (104), when the ball ring body (1) and universal joint body (7) are in the connection state, the universal joint movable connecting column (5) on universal joint body (7) is placed in the universal joint connecting ring (3), when the universal joint movable connecting column (5) is forced to swing, the universal joint connecting ring (3) is affected and slides along the axial direction of ball ring body (1) between movable baffle (2) and fixed baffle (104).

2. A ball ring for a cardan joint according to claim 1, characterized in that The ball ring body (1) is provided with a limiting clamping groove (103) corresponding to the movable baffle (2), the movable baffle (2) is embedded in the limiting clamping groove (103), and the inner diameter of the limiting clamping groove (103) is 1-1.5mm larger than the outer diameter of the movable baffle (2).

3. A ball ring for a cardan joint according to claim 2, characterized in that The ball ring body (1) is provided with an anti-disengagement sleeve (102) at the axial outer end of the limiting clamping groove (103), and the anti-disengagement sleeve (102) and the ball ring body (1) form a first movable cavity (105) accommodating the movable baffle (2) in the limiting clamping groove (103).

4. A ball ring for a cardan joint according to claim 1, characterized in that A plurality of built-in reinforcing columns (4) are uniformly arranged between the ball ring body (1) and the universal joint connecting ring (3), and the space between the fixed baffle (104) and the movable baffle (2) is set as a second movable cavity (106) for the universal joint connecting ring (3) and the built-in reinforcing column (4) to move.

5. A ball ring for a cardan joint according to claim 4, characterized in that The built-in reinforcing column (4) is provided with spherical end heads at both ends, and the built-in reinforcing column (4) is provided with a movable gap between the ball ring body (1) and the universal joint connecting ring (3).

6. A ball ring for a cardan joint according to claim 1, characterized in that The movable baffle (2) is provided with a dust removal gap (201).

7. A ball ring for a cardan joint according to claim 1, characterized in that The outer wall edge of the ball ring body (1) is provided with a group of arc extension walls (101), and the arc extension walls (101) are designed to be opened outward.

8. A ball ring for a cardan joint according to claim 1, characterized in that The universal joint body (7) is uniformly provided with a plurality of positioning columns (6) at the outer end, and the outer end of the universal joint body (7) is fixedly connected with a plurality of universal joint movable connecting columns (5) through the plurality of positioning columns (6).

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