Dragging arm type brake with interval self-adjustment device
A brake and self-adjusting technology, applied in the direction of slack adjuster, etc., can solve the problems of shortening the service life of the vehicle, increasing the torque of the vehicle, dragging the brake, etc., and achieve the effect of improving driving safety, increasing the distance, and quickly consuming the friction plate
Inactive Publication Date: 2014-07-02
CHONGQING BISHAN HONGXIANG AUTO PARTS
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Problems solved by technology
This structure requires manual gear shifting to adjust the gap to meet the needs of safe driving. It often takes several adjustments to use the friction plate to the limit, which is very troublesome; the gap adjusted by experienced drivers may be more reasonable, while young drivers adjust Gaps are likely to be unsatisfactory
If the adjusted gap is too small or there is no gap at all, the result will be dragging of the brakes, unnecessary increase in vehicle torque, high fuel consumption, fast friction plate consumption, and shortened vehicle service life; if the adjusted gap is too large, it will Increasing the distance between the brake pedal and the parking handle may not be able to park within the effective distance, posing safety hazards
Method used
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Embodiment Construction
[0014] Below by embodiment and in conjunction with accompanying drawing, the present invention will be further described:
[0015] to combine figure 1 — figure 2 As shown, a pull arm brake with a self-adjusting gap device consists of a brake drum 1, a brake pump 2, a brake shoe assembly 3, a parking pull arm 4, a self-adjusting dial 5, a self-adjusting gap device, Brake shoe extension spring 11, pull arm pin 12 and stay cord guide block 13 etc. are formed. The brake shoe assembly 3 includes a left brake shoe and a right brake shoe, each brake shoe is provided with a friction plate on its outer side. The left and right brake shoes are tensioned by the brake shoe extension spring 11. The stay cord guide block 13 is provided with a stay cord passing hole 13a for the stay cord to pass through, and the stay cord passes through the draw cord guide block 13 and is fixed at the lower end of the parking pull arm 4 .
[0016] The parking pull arm 4 and the self-adjusting plate 5 ar...
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The invention discloses a dragging arm type brake with an interval self-adjustment device. The dragging arm type brake with the interval self-adjustment device comprises a drum brake (1), a brake pump (2), a brake shoe assembly (3), a parking dragging arm (4), a self-adjustment shifting plate (5) and the interval self-adjustment device, wherein the parking dragging arm (4) and the self-adjustment shifting plate (5) are hinged to a dragging arm pin (10), and the dragging arm pin (10) is fixed to the brake shoe assembly (3). The interval self-adjustment device comprises a first supporting clamping block (6), a supporting unthreaded hole sleeve (7), a self-adjustment ratchet wheel threaded rod shaft (8), a supporting screw sleeve (9) and a second supporting clamping block (10), wherein the left end of the first supporting clamping block (6) is clamped on a left brake shoe, the right end of the second supporting clamping block (10) is clamped on a right brake shoe and the parking dragging arm (4), and when the self-adjustment shifting plate (5) shifts a ratchet wheel (8c) to rotate, the length of the interval self-adjustment device is increased. When a friction sheet is abraded, the interval with the drum brake can be automatically adjusted to the best state.
Description
technical field [0001] The invention relates to a vehicle brake system, belongs to the technical field of mechanical brake brake assemblies, and in particular relates to a pull-arm brake. Background technique [0002] The braking system is a key component related to the safety of people and vehicles. The brake is the most important safety and key component in all driving vehicles. The braking system of the car is divided into various structural forms according to the requirements of reliability and labor saving. The brake is a structure commonly used in mechanical brakes. [0003] In order to maintain good braking efficiency, there must be an optimal clearance value between the friction plate in the brake shoe assembly and the brake drum. As the friction lining wears out, the gap between the brake shoe assembly and the brake drum increases, and a mechanism for adjusting the gap is required. [0004] In the existing non-self-adjusting pull-arm brake, the self-adjusting gap ...
Claims
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Inventor 敖良均田洪相
Owner CHONGQING BISHAN HONGXIANG AUTO PARTS