Time delay valve assembly

Abstract

The utility model discloses a delay valve final assembly which comprises a valve body, a mounting hole is formed in the valve body, a fast-assembly oil inlet mechanism is mounted in the mounting hole, an oil outlet mechanism is arranged on the valve body, the fast-assembly oil inlet mechanism comprises a mounting seat, an oil inlet is formed in the top of the mounting seat, an outer threaded sleeve is fixedly connected to the bottom end of the mounting seat, and the outer threaded sleeve is fixedly connected to the valve body. The bottom end of the outer threaded sleeve is in threaded connection with a limiting block, a piston column is arranged in the outer threaded sleeve, and a plurality of sealing rings are arranged between the piston column and the outer threaded sleeve. According to the time delay valve assembly, the piston column is pushed to move through hydraulic oil, the ejector rod enters the piston column after the piston column moves, the ejector rod ejects the baffle open through the protruding end, the hydraulic oil penetrates through the through groove to enter the valve body to be discharged, the time delay effect is achieved, the valve element assembly can be detached from the valve body by screwing the outer threaded sleeve when maintenance is needed, and maintenance is convenient. And the internal valve element assembly can be conveniently overhauled, and the overhauling convenience is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of delay valve, concretely is a delay valve assembly. BACKGROUND

[0002] The motorcycle delay valve is a key component in the motorcycle brake system, especially plays an important role in the linkage brake system, mainly consists of a main cylinder, a delay spring, a piston and an oil circuit, when the brake pressure reaches the preset value, the spring in the delay valve is compressed, the hydraulic oil is slowly transmitted to the front wheel brake through the throttle hole to realize the delay effect, in the prior art, the valve body of the motorcycle delay valve is internally installed with the valve core assembly, the disassembly and assembly of the delay valve are time-consuming and laborious, and the convenience of maintenance is not ideal.

[0003] For example, patent publication No. CN212337763U, specifically a kind of hydraulic delay valve suitable for liquid brake system, the hydraulic delay valve includes valve body, valve core and valve cover, the valve body has valve cavity, valve core is located in valve cavity, sealing ring is arranged on valve core, sealing ring acts on the inner wall of valve cavity, sealing ring separates valve cavity into upper valve cavity and lower valve cavity, characterized in that: spring is arranged in lower valve cavity, spring acts between valve core and valve cover, valve body has first liquid inlet hole, second liquid inlet hole and liquid outlet hole, liquid outlet hole is communicated with lower valve cavity, first liquid inlet hole is communicated with upper valve cavity, second liquid inlet hole is communicated with lower valve cavity, second liquid inlet hole is communicated with upper valve cavity through reflux hole. This kind of hydraulic delay valve can make hydraulic pressure realize delay, so that a brake lever can control front wheel brake caliper and rear wheel brake caliper delay brake, there is the problem that the valve body of this kind of motorcycle delay valve is internally installed with valve core assembly, the disassembly and assembly of the delay valve are time-consuming and laborious, and the convenience of maintenance is not ideal. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of the prior art, the utility model provides a delay valve assembly, which solves the problem that the valve body of the motorcycle delay valve is internally installed with the valve core assembly, the disassembly and assembly of the delay valve are time-consuming and laborious, and the convenience of maintenance is not ideal.

[0005] To achieve the above object, the utility model realizes the following technical scheme: a delay valve assembly, comprising a valve body, the valve body is provided with a mounting hole, the mounting hole is internally installed with a quick-mounting oil inlet mechanism, the valve body is provided with an oil outlet mechanism;

[0006] The quick oil inlet mechanism comprises a mounting seat, an oil inlet is formed at the top of the mounting seat, an outer threaded sleeve is fixedly connected to the bottom end of the mounting seat, a limiting block is threadedly connected to the bottom end of the outer threaded sleeve, a piston column is arranged in the outer threaded sleeve, a plurality of sealing rings are arranged between the piston column and the outer threaded sleeve, a delay spring is arranged at the bottom of the piston column, a spring seat is arranged at the bottom of the delay spring, a through groove is formed in the piston column, a rotating seat is fixedly connected in the through groove, a baffle is rotatably connected to the rotating seat, an elastic member is arranged at the top of the baffle, a top rod is arranged at the bottom of the piston column, and a protruding end is arranged at the top end of the top rod.

[0007] Preferably, a threaded interface is formed in the valve body, the threaded interface is matched with the outer threaded sleeve, and the outer threaded sleeve is threadedly connected with the valve body, so that the outer threaded sleeve can be conveniently installed and removed.

[0008] Preferably, the cross section of the limiting block is annular, and the limiting block is arranged at the bottom of the piston column, so that the limiting block can limit the movement of the piston column and prevent the piston column from coming out of the outer threaded sleeve.

[0009] Preferably, the spring seat is fixedly installed in the valve body, the bottom end of the delay spring is sleeved on the spring seat, and the top end of the delay spring abuts against the bottom end of the piston column, so that the delay spring can reset the piston column.

[0010] Preferably, one end of the baffle is rotatably connected to the inner wall of the piston column through the rotating seat, and the other end of the baffle is a free end, so that the baffle can rotate around the rotating seat as the center.

[0011] Preferably, one end of the elastic member is fixedly connected to the inner wall of the through groove, and the other end of the elastic member is fixedly connected to the top surface of the baffle, so that the elastic member can reset the baffle.

[0012] Preferably, the oil outlet mechanism comprises an oil outlet pipe, the oil outlet pipe is provided with a throttling hole at one end, a threaded block is arranged on the oil outlet pipe, an installation ring is fixedly installed on the oil outlet pipe, a connecting belt is fixedly connected to the end of the installation ring, a sealing cap is fixedly connected to the end of the connecting belt, and the sealing cap is clamped with the oil outlet pipe, so that foreign matters can be prevented from entering the oil outlet pipe when the oil outlet pipe is idle.

[0013] The utility model provides a kind of delay valve assembly.Compared with prior art, it has the following beneficial effects:

[0014] 1. The delay valve assembly, the piston post is moved by hydraulic oil, the top rod enters the piston post after the piston post moves, the top rod opens the baffle with the protruding end, the hydraulic oil enters the valve body through the through slot and is discharged, plays a delay role, when overhauling, the valve core assembly can be removed from the valve body by screwing the outer threaded sleeve, the internal valve core assembly is convenient to overhaul, and the convenience of overhaul is improved.

[0015] 2. The delay valve assembly, the oil outlet pipe is installed on the valve body, the sealing cap is clamped on the oil outlet pipe, and the oil hole on the oil outlet pipe is sealed, which can prevent foreign matters from entering the oil outlet pipe. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the overall structure schematic view of the utility model;

[0017] Figure 2 It is the quick installation oil inlet mechanism structure schematic view of the utility model;

[0018] Figure 3 It is the piston post internal structure schematic view of the utility model;

[0019] Figure 4 It is the oil outlet mechanism structure schematic view of the utility model.

[0020] In the drawing: 1, valve body; 2, quick installation oil inlet mechanism; 201, mounting seat; 202, oil inlet; 203, outer threaded sleeve; 204, limiting block; 205, piston post; 206, sealing ring; 207, through slot; 208, baffle; 209, rotating seat; 210, elastic member; 211, top rod; 212, protruding end; 213, delay spring; 214, spring seat; 3, oil inlet; 4, oil outlet mechanism; 401, sealing cap; 402, connecting belt; 403, mounting ring; 404, threaded block; 405, throttle hole; 406, oil outlet pipe. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0022] Please refer to Figure 1-3The utility model provides a technical scheme: a delay valve assembly, including valve body 1, be equipped with mounting hole 3 on valve body 1, quick -mounting oil inlet mechanism 2 is installed in mounting hole 3 inside, be equipped with oil outlet mechanism 4 on valve body 1, can play the delay effect to hydraulic oil through quick -mounting oil inlet mechanism 2, and can quickly remove, it is convenient to overhaul internal valve core subassembly, improve the convenience of overhaul.

[0023] Quick -mounting oil inlet mechanism 2 includes mounting seat 201, the top of mounting seat 201 is equipped with oil inlet 202, and the bottom end of mounting seat 201 is fixedly connected with external thread sleeve 203, and the threaded interface is matched with external thread sleeve 203, and external thread sleeve 203 is connected with valve body 1 in screw thread, so that external thread sleeve 203 can be conveniently installed and removed, and the bottom end of external thread sleeve 203 is connected with limit block 204 in screw thread, can be limited with limit block 204 to piston column 205, and it is convenient to disassemble, and the inside of external thread sleeve 203 is equipped with piston column 205, and piston column 205 is valve core subassembly, and the cross-sectional shape of limit block 204 is arranged as annular, and limit block 204 is arranged at the bottom of piston column 205, so that limit block 204 can limit the movement of piston column 205, prevent it from being taken out of external thread sleeve 203, and a plurality of sealing rings 206 are arranged between piston column 205 and external thread sleeve 203, and delay spring 213 is arranged at the bottom of piston column 205, delay spring 213 bottom is equipped with spring seat 214, and spring seat 214 is fixedly installed in the inside of valve body 1, delay spring 213 bottom end is sleeved on spring seat 214, and the top end of delay spring 213 is in abutment with the bottom end of piston column 205, so that the reset action of piston column 205 can be realized by delay spring 213, and the through slot 207 is formed in the top of piston column 205, and the rotating seat 209 is fixedly connected in the inside of through slot 207, and the baffle 208 is rotatably connected on the rotating seat 209, and one end of the bottom end of baffle 208 is rotatably connected with the inner wall of piston column 205 through rotating seat 209, and the other end of baffle 208 is arranged as free end, so that baffle 208 can rotate around rotating seat 209, and the elastic element 210 is arranged at the top of baffle 208, and the elastic element 210 can be spring, and one end of elastic element 210 is fixedly connected with the inner wall of through slot 207, and the other end of elastic element 210 is fixedly connected with the top surface of baffle 208, so that elastic element 210 can reset baffle 208, and baffle 208, rotating seat 209 and elastic element 210 constitute check valve structure, so that hydraulic oil can flow in one direction, and the top rod 211 is arranged at the bottom of piston column 205, and the protruding end 212 is arranged at the top end of top rod 211, so that the baffle 208 can be opened by top rod 211, so that oil can flow into the inside of valve body 1.

[0024] Please refer to Figure 1 And Figure 4The oil outlet mechanism 4 comprises an oil outlet pipe 406, one end of the oil outlet pipe 406 is provided with a throttle hole 405, so that the hydraulic oil can slowly flow out, the oil outlet pipe 406 is provided with a threaded block 404, the oil outlet pipe 406 is fixedly installed with a mounting ring 403, the mounting ring 403 is fixedly connected with a connecting belt 402, the connecting belt 402 is fixedly connected with a sealing cap 401, the sealing cap 401 is clamped with the oil outlet pipe 406, the oil outlet pipe 406 is installed on the valve body 1, the sealing cap 401 is clamped on the oil outlet pipe 406, the oil hole on the oil outlet pipe 406 is sealed, and foreign matters can be prevented from entering the inside of the oil outlet pipe 406 when idle.

[0025] In work, the hydraulic oil enters into the outer threaded sleeve 203 from the oil inlet 202, the baffle 208 blocks the through groove 207, so that the hydraulic oil can push the piston column 205 to move, the piston column 205 moves, the top rod 211 enters into the piston column 205, the top rod 211 opens the baffle 208 by the protruding end 212, the hydraulic oil enters into the valve body 1 through the through groove 207, and then is discharged, so as to play a time delay effect, when maintenance is needed, the outer threaded sleeve 203 is screwed, so that the valve core assembly can be removed from the valve body 1, the internal valve core assembly is convenient to maintain, and the convenience of maintenance is improved.

[0026] Meanwhile, the contents not described in detail in the specification all belong to the prior art known by those skilled in the art.

Claims

1. A time delay valve assembly, comprising a valve body (1), characterized in that: The valve body (1) is provided with a mounting hole (3), and a quick-install oil inlet mechanism (2) is installed inside the mounting hole (3). The valve body (1) is provided with an oil outlet mechanism (4). The quick-release oil inlet mechanism (2) includes a mounting base (201), an oil inlet (202) is provided on the top of the mounting base (201), an external threaded sleeve (203) is fixedly connected to the bottom of the mounting base (201), a limit block (204) is threadedly connected to the bottom of the external threaded sleeve (203), a piston column (205) is provided inside the external threaded sleeve (203), a plurality of sealing rings (206) are provided between the piston column (205) and the external threaded sleeve (203), and a bottom of the piston column (205) is provided with There is a time delay spring (213), the time delay spring (213) is provided with a spring seat (214) at the bottom, the piston column (205) is provided with a through groove (207), a rotating seat (209) is fixedly connected inside the through groove (207), a baffle (208) is rotatably connected on the rotating seat (209), an elastic element (210) is provided at the top of the baffle (208), a push rod (211) is provided at the bottom of the piston column (205), and a protruding end (212) is provided at the top of the push rod (211).

2. The delay valve assembly according to claim 1, characterized in that: The valve body (1) is provided with a threaded interface, which is matched with the external threaded sleeve (203), and the external threaded sleeve (203) is threadedly connected to the valve body (1).

3. The delay valve assembly according to claim 1, characterized in that: The limiting block (204) has an annular cross-sectional shape and is located at the bottom of the piston rod (205).

4. The delay valve assembly according to claim 1, characterized in that: The spring seat (214) is fixedly installed inside the valve body (1), the bottom end of the delay spring (213) is sleeved on the spring seat (214), and the top end of the delay spring (213) abuts against the bottom end of the piston rod (205).

5. The delay valve assembly according to claim 1, characterized in that: One end of the bottom of the baffle (208) is rotatably connected to the inner wall of the piston column (205) via a rotating seat (209), and the other end of the baffle (208) is set as a free end.

6. The delay valve assembly according to claim 1, characterized in that: One end of the elastic element (210) is fixedly connected to the inner wall of the through groove (207), and the other end of the elastic element (210) is fixedly connected to the top surface of the baffle (208).

7. The delay valve assembly according to claim 1, characterized in that: The oil outlet mechanism (4) includes an oil outlet pipe (406), one end of which is provided with a throttling hole (405), and a threaded block (404) is provided on the oil outlet pipe (406).

8. The delay valve assembly according to claim 7, characterized in that: An installation ring (403) is fixedly installed on the oil outlet pipe (406). A connecting band (402) is fixedly connected to the end of the installation ring (403). A sealing cap (401) is fixedly connected to the end of the connecting band (402). The sealing cap (401) is snapped into the oil outlet pipe (406).

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