Brake pressure arm rotating bearing device with anti-falling mechanism

Abstract

The utility model relates to a brake pressure arm rotating bearing device with an anti-falling mechanism, and belongs to the field of automobile brakes. According to the technical scheme, according to the brake pressure arm rotating bearing device with the anti-disengaging mechanism, a rotating ball is arranged on the inner side of the rotating center of a pressure arm, a ball bearing is arranged on the outer side of the rotating center of the pressure arm, the ball bearing is positioned through a bearing frame, a benchmark base of a brake is arranged on the outer side of the bearing frame, and a positioning hook facing the benchmark base is arranged on the side face of the bearing frame; the reference seat is provided with a positioning hole, the positioning hook is embedded into the positioning hole through the positioning sleeve, the positioning sleeve is made of plastic, ribs are arranged on four sides, and the positioning hook is embedded into a hole in the middle. The device has the advantages that the reference seat and the bearing structure are designed to be integrally mounted, so that the problems that the bearing structure is low in independent mounting speed and easy to fall off to cause collision and abrasion can be solved; the installation speed of the brake can be increased, and the consistency quality of products is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a brake pressure arm rotating bearing device with anti -drop mechanism belongs to the field of automobile brake. BACKGROUND

[0002] The current brake shell of vehicle is integrally cast, then the internal brake cavity is cut, and then the brake component is installed.

[0003] The pressure arm mechanism and the rotating ball are put into the brake cavity from the brake structure action side of the brake cavity shell, and then the brake reference seat and the brake component are installed.

[0004] The bearing structure of arc shape is installed between the reference seat and the pressure arm, and the bearing structure needs to be closely matched. The bearing structure of traditional mode is matched with the outer side arc of the reference seat and the pressure arm respectively, but when being put in from the brake structure hole side of the brake cavity, the bearing structure is easy to deviate from the outer side arc surface of the pressure arm, and the bearing is inverted and installed in the actual assembly, which can be continued to install the reference seat after the position is repeatedly adjusted by manual, so that the installation efficiency is low, and repeated adjustment can also cause collision between components, cause wear and knock, and affect the rotation precision and service life of rotation.

[0005] If the bearing structure is designed to be in an integrated state when being installed with the reference seat or the pressure arm, the installation efficiency can be effectively improved. SUMMARY

[0006] In view of the above problems, the application provides a brake pressure arm rotating bearing device with an anti-drop mechanism to solve the problem of split installation of the pressure arm bearing structure.

[0007] To achieve the above purpose, the technical scheme adopted by the application is as follows: a brake pressure arm rotating bearing device with an anti-drop mechanism, the inner side of the rotating center of the pressure arm is a rotating ball, and the outer side is provided with a ball bearing, the ball bearing is positioned through a bearing frame, the outer side of the bearing frame is provided with a reference seat of the brake,

[0008] The bearing frame is provided with a positioning hook in the side surface in the direction of the reference seat, the reference seat is provided with a positioning hole, the positioning hook is embedded in the positioning hole through a positioning sleeve, the positioning sleeve is made of plastic material, four sides are provided with rib strips, and the middle is a hole embedded with the positioning hook.

[0009] The brake pressure arm rotating bearing device with the anti-drop mechanism is characterized in that,

[0010] The positioning sleeve is a cylindrical shape with an open end, the hole is a rhombic hole, the cross section of the positioning hook is rhombic, and the positioning hook is inserted into the rhombic hole of the positioning sleeve in interference fit.

[0011] The edge of the positioning hook on the bearing frame is installed on the swing side of the pressure arm, and the positioning hook is perpendicular to the swing center of the pressure arm.

[0012] The bearing frame is arc-shaped, the inner side of the arc-shaped bearing frame is provided with the ball bearing, the ball bearing comprises a ball positioning part and a cylindrical ball, the arc-shaped inner side of the ball positioning part is provided with the cylindrical ball, and the outer side of the ball positioning part is embedded in the bearing frame.

[0013] The arc-shaped inner side of the bearing frame is provided with the ball bearing, and tool withdrawal grooves are arranged on both sides of the groove.

[0014] The bearing frame is provided with a positioning plate on both sides of the positioning hook and is bent towards the pressure arm, so that the ball bearing is prevented from sliding out.

[0015] The pressure arm is Y-shaped, the middle part of the pressure arm is the brake shaft, both sides of the pressure arm are the rotating arms, and the outer side of the rotating center of the rotating arm is a smooth surface and is in contact with the ball bearing.

[0016] The reference seat and the bearing structure are designed to be integrally installed, the speed of installing the bearing structure is avoided to be slow, and the collision, knocking and abrasion problems caused by falling are avoided.

[0017] The installation speed of the brake is improved, and the consistency and quality of the product are improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a cooperation structure diagram of the bearing frame and the pressure arm of the present application,

[0019] Figure 2 is a cooperation structure diagram of the bearing frame and the pressure arm of the present application, Figure 1 is a side view of the view,

[0020] Figure 3 is a structure diagram of the positioning sleeve of the present application,

[0021] Figure 4 is a sectional view of the positioning sleeve of the present application,

[0022] Figure 5 is a cooperation structure diagram of the bearing frame, the pressure arm and the reference seat of the present application,

[0023] Figure 6 is a cooperation structure diagram of the bearing frame, the pressure arm and the reference seat of the present application, Figure 5 is a sectional view of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0025] 1 positioning hook, 2 reference seat, 3 positioning hole, 4 positioning sleeve, 41 rib, 42 hole, 5 bearing bracket, 6 ball bearing, 7 pressure arm, 8 rotating ball, 9 positioning plate. DETAILED DESCRIPTION

[0026] The specific content of the application is further described below:

[0027] The utility model discloses a brake pressure arm rotating bearing device of anti -drop mechanism, solves the split installation easy to fall off displacement problem of bearing structure between pressure arm and reference seat during installation.

[0028] The brake is a cast structure, one side is a brake cavity, the other side is a brake pad mounting rack, and the connecting position of the brake pad mounting rack and the brake cavity is a mounting hole of the brake mechanism. When the device is installed, the rotating ball, the pressure arm reference seat and the brake rotating part are put into the mounting hole one by one.

[0029] The bearing bracket 5 is arc-shaped, the inner side is provided with the ball bearing 6, the ball bearing 6 includes ball positioning and cylindrical ball, the arc-shaped inner side is provided with the cylindrical ball in the groove, and the outer side is embedded in the bearing bracket 5.

[0030] The arc-shaped inner side of the bearing bracket 5 is provided with the ball bearing 6 in the groove, and tool withdrawal grooves are left on both sides of the groove. The bearing bracket 5 is provided with the positioning plate 9 on both sides of the positioning plate and is bent towards the pressure arm 7, so that the ball bearing 6 is prevented from sliding out.

[0031] The pressure arm 7 is Y-shaped, the middle is a brake shaft, both sides are rotating arms, and the outer side of the rotating center of the rotating arm is a smooth surface in contact with the ball bearing 6.

[0032] The reference seat and the bearing bracket 5 of the device are integrally installed, and the positioning hook 1 is arranged on the side towards the reference seat 2, the reference seat 2 is provided with the positioning hole 3, the positioning hook 1 is embedded in the positioning hole 3 through the positioning sleeve 4, the positioning sleeve 4 is made of plastic material, the four sides are provided with the rib 41, and the middle is a hole embedded in the positioning hook 1.

[0033] The positioning sleeve 4 of the device is a cylindrical shape with an open end, the hole is a rhombic hole, the cross section of the positioning hook 1 is rhombic, and the positioning hook 1 is inserted into the rhombic hole of the positioning sleeve 4 in interference fit.

[0034] Specifically, the edge of the positioning hook 1 on the bearing bracket 5 is installed on the swing side of the pressure arm 7, and the positioning hook 1 is perpendicular to the swing center of the pressure arm 7.

[0035] The bearing sleeve 4 of the device is made of plastic material, the four sides are provided with the rib 41, can be closely matched with the hole on the base, and the plastic material can be installed without causing structural wear.

[0036] The rhombic hole 42 in the middle of the bearing sleeve 4 matches the cross-sectional shape of the positioning hook (1), realizing that the bearing frame semicircular bearing is inserted into the rhombic hole (3) on the bearing sleeve 4 through the rhombic positioning hook (1), so that the bearing sleeve (4) and the ball bearing (6) are tightly matched to form a whole.

[0037] When installing, the rotating ball, pressure arm, bearing frame and reference seat are installed first, and then other components are installed. When placing the bearing frame and reference seat, due to the integrated structure, the installer can hold the rear part of the reference seat to align the outer arc surface of the pressure arm, match the structure of the ball bearing and the bearing frame, effectively realize accurate docking, avoid sliding errors of the ball bearing structure caused by the partial circular arc segment, and even collision, and effectively improve the installation correct efficiency.

[0038] Designing the reference seat and the bearing structure as an integrated installation can avoid the slow installation speed of the bearing structure, the collision and wear caused by the falling problem, improve the installation speed of the brake, and improve the consistency and quality of the product.

Claims

1. A brake pressure arm rotating bearing device with anti-off mechanism, the rotating center of the pressure arm (7) is provided with a rotating ball (8) on the inside and a ball bearing (6) on the outside, the ball bearing (6) is positioned by a bearing frame (5), the outside of the bearing frame (5) is provided with a reference seat (2) of the brake, characterized in that, the bearing frame (5) is provided with a positioning hook (1) on the side surface in the direction of the reference seat (2), the reference seat (2) is provided with a positioning hole (3), the positioning hook (1) is embedded in the positioning hole (3) through a positioning sleeve (4), the positioning sleeve (4) is made of plastic material, the four sides are provided with ribs (41), and the middle is a hole embedded with the positioning hook (1).

2. The brake pressure arm rotating bearing device with anti-off mechanism according to claim 1, characterized in that, the positioning sleeve (4) is a cylindrical shape with an open end, the hole is a rhombic hole, the cross section of the positioning hook (1) is rhombic, and the positioning hook (1) is inserted into the rhombic hole of the positioning sleeve (4) in interference fit.

3. The brake pressure arm pivot bearing device with a detaching prevention mechanism according to claim 1, characterized in that, The edge of the positioning hook (1) on the bearing frame (5) is installed on the swing side of the pressure arm (7), and the positioning hook (1) is perpendicular to the swing center of the pressure arm (7).

4. The brake pressure arm pivot bearing device with a detaching prevention mechanism according to claim 1, characterized in that, The bearing frame (5) is arc-shaped, the ball bearing (6) is installed on the inside, the ball bearing (6) includes ball positioning and cylindrical balls, the ball positioning is arc-shaped, the arc-shaped inside surface is slotted to install the cylindrical balls, and the outside surface is embedded into the bearing frame (5).

5. The brake pressure arm pivot bearing device with a detaching prevention mechanism according to claim 3, wherein The arc-shaped inside surface of the bearing frame (5) is slotted to install the ball bearing (6), and tool withdrawal grooves are left on both sides of the slot.

6. The brake pressure arm pivot bearing device with a detaching prevention mechanism according to claim 1, wherein The bearing frame (5) is provided with a positioning plate (9) on both sides of the positioning hook and is bent towards the pressure arm (7) to prevent the ball bearing (6) from sliding out.

7. The brake pressure arm pivot bearing device with a detaching prevention mechanism according to claim 1, wherein The pressure arm (7) is Y-shaped, the middle is a brake shaft, and both sides are rotating arms, the outside surface of the rotating center of the rotating arm is a smooth surface in contact with the ball bearing (6).

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