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Commercial vehicle combined type unloading valve

A combined, commercial vehicle technology, applied in the direction of multi-way valves, valve devices, brake components, etc., can solve the problems of ineffective protection of filters, insufficient condensation of condensed water, poor integrity and strength of unloading valves, etc. , to facilitate maintenance, reduce impact and improve service life

Active Publication Date: 2017-09-19
ZHEJIANG KELI VEHICLE CONTROL SYST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There is no independent filter tank in the air circuit of the unloading valve, so when the compressed air enters the brake air circuit, it does not get enough condensed water, and at the same time, the air carries a lot of impurities, which affects the service life of subsequent brake components
A combined unloading valve is generally simply connected to a filter outside the unloading valve. Although it can perform the filtering function, the integrity and strength of the entire unloading valve are poor, and the filter cannot be effectively protected from external influences. , while the service life of the filter is shorter

Method used

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  • Commercial vehicle combined type unloading valve
  • Commercial vehicle combined type unloading valve

Examples

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Embodiment 1

[0027] Such as figure 1 with figure 2 As shown, the commercial vehicle combined unloading valve includes a valve body 1, a filter 2 is arranged in the valve body 1, and the valve body 1 includes an upper valve body 11 and a lower valve body 12 connected up and down. The side of the lower valve body 12 is provided with The air inlet interface 121, the air outlet interface 122, and the air outlet cavity 123 connected to the air outlet interface 122, the upper valve body 11 is provided with a first air inlet passage 13, and the upper end surface of the upper valve body 11 is provided with a mounting cavity 14 penetrating the lower end surface, The filter 2 is installed in the installation cavity 14. The filter 2 includes an upper installation end cover 3, a molecular sieve filter 4 and a base 5;

[0028] The upper end of the base 5 is provided with a sealing sleeve 51, which is located outside the molecular sieve filter 4; the lower end of the base 5 is provided with a boss 52, and...

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PUM

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Abstract

The invention relates to the field of air valves of commercial vehicle braking systems and discloses a commercial vehicle combined type unloading valve. A filter (2) is arranged in a valve body (1), the valve body (1) comprises an upper valve main body (11) and a lower valve main body (12) which are connected in the up-down direction, and the side face of the lower valve main body (12) is provided with an air inlet connector (121), an air outlet connector (122) and an air outlet cavity (123) connected with the air outlet connector (122); a first air inlet passageway (13) is formed in the upper valve main body (11), a mounting cavity (14) penetrating through the lower end face of the upper valve main body (11) is formed in the upper end face of the upper valve main body (11), and the filter (2) is mounted in the mounting cavity (14) and comprises an upper mounting end cover (3), a molecular sieve filtering net (4) and a base (5); and a reverse blowing passageway is formed in the valve body (1) simultaneously. According to the commercial vehicle combined type unloading valve, the simple pressure relief action can be conducted, and meanwhile compressed air can be subjected to filtering and condensation water separating; and the compressed air is filtered from the interior of the filtering net to the exterior of the filtering net, and filtering accuracy is higher.

Description

Technical field [0001] The invention relates to the field of air valves for commercial vehicle braking systems, and in particular to a combined unloading valve for commercial vehicles. Background technique [0002] At present, as the transportation and logistics industry is becoming more and more developed, commercial vehicles are strongly welcomed by the market. With the use of commercial vehicles in different environments, it is necessary to put forward higher requirements for the braking system of commercial vehicles. Under normal circumstances. There is no independent filter tank in the air path of the unloading valve, so when the compressed air enters the brake air circuit, the condensate is not sufficiently obtained. At the same time, the air carries a lot of impurities, which affects the service life of subsequent brake components. The combined unloading valve is generally simply connected to a filter outside of the unloading valve. Although it can play a filtering functi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60T15/02F16K51/00B01D35/02F16K11/04
CPCB01D35/02B60T15/02F16K11/04F16K51/00
Inventor 马靖
Owner ZHEJIANG KELI VEHICLE CONTROL SYST
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