Mounting assembly of waterfall type multi-stage sealing valve

Abstract

The utility model relates to the technical field of waterfall type multi-stage sealing valves, and discloses an installation assembly of a waterfall type multi-stage sealing valve, which comprises a valve body, the top end of the valve body is fixedly connected with a valve seat interface, and a multi-stage sealing valve core body is arranged in the valve seat interface. The surface of the multi-stage sealing valve element body is connected with a fastening adjusting assembly in a sleeved mode. According to the installation assembly of the waterfall type multi-stage sealing valve, through the arrangement of the connecting assembly, the connecting bolt and the stabilizing cap, when the installation assembly is used, a left limiting ring block and a right limiting ring block are arranged on the outer surface of a valve seat connector according to the size of the valve seat connector and are fixed by screwing the connecting bolt, and then a valve rod and a multi-stage sealing valve element body are sleeved with a positioning sleeve; the valve is fixed through the positioning bolt, so that the effect of conveniently maintaining and replacing the valve is achieved, the situation that the valve is damaged, replacement is difficult, and an installation assembly matched with the valve is needed is avoided, and the adaptability and flexibility of the installation assembly are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of waterfall type multistage sealing valve, especially to a waterfall type multistage sealing valve's installation assembly. BACKGROUND

[0002] The waterfall type multistage sealing valve is a kind of equipment for high pressure, high flow fluid control, and is widely used in petroleum, natural gas, chemical industry, electric power and other industries.In these industries, the sealing performance of valve is crucial, and the waterfall type multistage sealing valve realizes efficient and reliable sealing through multiple sealing levels, which can effectively prevent fluid leakage and improve equipment safety.

[0003] The installation assembly of the existing waterfall type multistage sealing valve is inconvenient to improve the adaptability and flexibility of the installation assembly during actual use, as the valve needs to be regularly repaired and replaced with internal components, and is usually fixedly installed. UTILITY MODEL CONTENTS

[0004] (I) technical problem solved

[0005] The utility model aims to provide a waterfall type multistage sealing valve's installation assembly to solve the problem of inconveniently improving the adaptability and flexibility of the installation assembly in the above background technology.

[0006] (II) technical scheme

[0007] To achieve the above purpose, the utility model is implemented by the following technical scheme: a waterfall type multistage sealing valve's installation assembly, comprising a valve body, the top end of the valve body is fixedly connected with a valve seat interface, the inside of the valve seat interface is provided with a multistage sealing valve core body, the surface of the multistage sealing valve core body is sleeved with a fastening adjusting assembly, the surface of the valve seat interface is sleeved with a connecting assembly,

[0008] The fastening adjusting assembly comprises a sliding limiting tube sleeved on the surface of the multistage sealing valve core body, and the bottom end of the sliding limiting tube is fixedly connected with a threaded adjusting sleeve column;

[0009] The connecting assembly comprises a left limiting ring block and a right limiting ring block sleeved on the surface of the valve seat interface, the two sides of the surface of the left limiting ring block are fixedly connected with support rods, the top end of the support rod is fixedly connected with an executing device, and the bottom surface of the executing device is provided with a valve stem.

[0010] As a further scheme of the utility model, a threaded groove is formed in the inner wall of the valve seat interface, the threaded groove is matched with the threaded adjusting sleeve column, and the threaded adjusting sleeve column is convenient for adjusting the installation tightness of the sealing element.

[0011] As a further scheme of the utility model, the valve seat interface is internally provided with a sealing washer, the sealing washer is matched with the bottom surface of the threaded adjusting sleeve column, and the sealing washer facilitates sealing.

[0012] As a further scheme of the utility model, the left limiting ring block and the right limiting ring block are both provided with limiting holes on both sides, the limiting holes are internally threadedly connected with connecting bolts, one end of the connecting bolt is fixedly connected with a stabilizing cap, and the connecting bolt facilitates fastening.

[0013] As a further scheme of the utility model, the valve stem and the multistage sealing valve core body surface are both sleeved with a positioning sleeve, two limiting holes are formed in the surface of the positioning sleeve, and the positioning sleeve facilitates sleeving the valve stem and the multistage sealing valve core body inside.

[0014] As a further scheme of the utility model, the limiting holes are internally threadedly connected with positioning bolts, the surface of the positioning bolt is sleeved with a grommet, and the positioning bolt facilitates fixing the multistage sealing valve core body and the positioning sleeve.

[0015] As a further scheme of the utility model, the valve stem and the edge of the multistage sealing valve core body surface are both fixedly connected with connecting holes, the connecting holes are matched with the limiting holes, and the connecting holes and the limiting holes facilitate fixing the multistage sealing valve core body and the valve stem.

[0016] (Three) beneficial effects

[0017] The utility model provides a kind of installation assembly of waterfall type multistage sealing valve, with following beneficial effects:

[0018] 1、The installation assembly of waterfall type multistage sealing valve, by the setting of connecting assembly, connecting bolt and stabilizing cap, in use, according to the size of valve seat interface, left limiting ring block and right limiting ring block are on the outer surface of valve seat interface, by screwing connecting bolt, it is fixed, then valve stem and multistage sealing valve core body are covered with positioning sleeve, fixed with positioning bolt, to reach the effect that valve is conveniently maintained and replaced, avoid valve damage, cause replacement difficulty, need and it is matched installation assembly, improve the adaptability and flexibility of installation assembly.

[0019] 2、The installation assembly of waterfall type multistage sealing valve, by the setting of fastening adjusting assembly, in use, according to the installation height of actual sealing element, rotating sliding limiting pipe, let threaded adjusting sleeve column and valve seat interface inner wall rotate, to flexibly adjust the installation tightness of sealing element, so that it can be tightly attached to realize good sealing in working process, can also adapt to certain working condition change, avoid sealing failure or component damage caused by too tight or too loose, help to increase the service life of waterfall type multistage sealing valve and reduce maintenance frequency. ACCURACY OF DRAWINGS

[0020] Fig. 1 It is the whole structure schematic view of the utility model;

[0021] Fig. 2 It is the valve seat interface and fastening adjustment assembly structure schematic view of the utility model;

[0022] Fig. 3 It is the connecting assembly structure schematic view of the utility model;

[0023] Fig. 4 It is the positioning sleeve structure schematic view of the utility model.

[0024] In the drawing: 1, valve body;2, valve seat interface;3, multistage sealing valve core body;4, fastening adjustment assembly;401, sliding limiting pipe;402, threaded adjusting sleeve column;5, connecting assembly;501, left limiting ring block;502, right limiting ring block;503, support rod;504, execution device;505, valve rod;6, sealing washer;7, connecting bolt;8, stabilizing cap;9, positioning sleeve;10, positioning bolt;11, cap. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] Please refer to Figs. 1 to 4 The utility model provides a kind of technical solutions: the installation assembly of waterfall type multistage sealing valve, including valve body 1, the top of valve body 1 is fixedly connected with valve seat interface 2, the inside of valve seat interface 2 is provided with multistage sealing valve core body 3, multistage sealing valve core body 3 is sleeved with fastening adjustment assembly 4 on surface, the surface of valve seat interface 2 is sleeved with connecting assembly 5,

[0027] Fastening adjustment assembly 4 includes the sliding limiting pipe 401 that is sleeved on the surface of multistage sealing valve core body 3, the bottom of sliding limiting pipe 401 is fixedly connected with threaded adjusting sleeve column 402, by the setting of fastening adjustment assembly 4, in use, according to actual sealing piece's installation height, rotating sliding limiting pipe 401, let threaded adjusting sleeve column 402 rotate with valve seat interface 2 inner wall, to flexibly adjust the installation tightness of sealing piece, so that it can be tightly fitted to realize good sealing in working process, can also adapt to certain working condition change, avoid the sealing failure or component damage caused by too tight or too loose, help to increase the service life of waterfall type multistage sealing valve and reduce maintenance frequency;

[0028] The connecting assembly 5 comprises a left limiting ring block 501 and a right limiting ring block 502 which are sleeved with the surface of the valve seat interface 2, the two sides of the surface of the left limiting ring block 501 are fixedly connected with support rods 503, the top end of the support rod 503 is fixedly connected with an executing device 504, the bottom surface of the executing device 504 is provided with a valve rod 505, through the setting of the connecting assembly 5, the connecting bolt 7 and the stabilizing cap 8, in use, according to the size of the valve seat interface 2, the left limiting ring block 501 and the right limiting ring block 502 are sleeved on the outer surface of the valve seat interface 2, the connecting bolt 7 is screwed to fix the left limiting ring block 501 and the right limiting ring block 502, then the valve rod 505 is sleeved with the multi-stage sealing valve core body 3 by the positioning sleeve 9, and the positioning bolt 10 is used for fixing, so that the valve can be conveniently repaired and replaced, the damage of the valve is avoided, the difficulty of replacement is avoided, the installation assembly matched with the valve is not needed, and the adaptability and flexibility of the installation assembly are improved.

[0029] The inner wall of the valve seat interface 2 is provided with a threaded groove which is matched with the threaded adjusting sleeve column 402, and the threaded adjusting sleeve column 402 is arranged to adjust the installation tightness of the sealing element.

[0030] The valve seat interface 2 is internally provided with a sealing washer 6 which is matched with the bottom surface of the threaded adjusting sleeve column 402, and the sealing washer 6 is arranged to achieve sealing.

[0031] The two sides of the left limiting ring block 501 and the right limiting ring block 502 are provided with limiting holes, the limiting holes are internally threadedly connected with connecting bolts 7, and one end of the connecting bolt 7 is fixedly connected with a stabilizing cap 8.

[0032] The valve rod 505 and the multi-stage sealing valve core body 3 are both sleeved with positioning sleeves 9, and the surface of the positioning sleeve 9 is provided with two limiting holes.

[0033] The limiting holes are internally threadedly connected with positioning bolts 10, and the surface of the positioning bolt 10 is sleeved with a grommet 11.

[0034] The valve rod 505 and the multi-stage sealing valve core body 3 are both fixedly connected with connecting holes in the edges of the surfaces, and the connecting holes are matched with the limiting holes.

[0035] In the utility model, the working steps of the device are as follows:

[0036] The first step: in use, according to the size of the valve seat interface 2, the left limit ring block 501 and the right limit ring block 502 are fixed on the outer surface of the valve seat interface 2 by screwing the connecting bolt 7, then the valve stem 505 is sleeved with the multi-stage sealing valve core body 3 with the positioning sleeve 9, and the positioning bolt 10 is fixed;

[0037] The second step: in use, according to the installation height of the actual sealing element, the sliding limiting pipe 401 is rotated, the threaded adjusting sleeve column 402 is rotated with the inner wall of the valve seat interface 2, and the sealing height of the threaded adjusting sleeve column 402 and the valve seat interface 2 is adjusted.

[0038] It should be noted that the device structure and the drawings of the utility model mainly describe the principle of the utility model, and the setting of the power mechanism, the power supply system and the control system of the device is not completely described in the technical principle of the design, and under the premise that the above-mentioned utility model principle is understood by the person skilled in the art, the specific power mechanism, power supply system and control system can be clearly known, and the control mode of the application file is automatically controlled by the controller, and the control circuit of the controller can be realized by simple programming of the person skilled in the art;

[0039] The standard parts used can be purchased from the market, and can be ordered according to the description and drawings, the specific connection mode of each part adopts the conventional screw, rivet, welding and other conventional means in the prior art, the mechanical parts and equipment adopt conventional models in the prior art, and the components known by the person skilled in the art, the structure and principle thereof are known by the person skilled in the art through technical manual or conventional experimental method.

[0040] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principle and spirit of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A mounting assembly for a cascade multi-stage sealing valve, comprising a valve body (1), characterized in that: The top end of the valve body (1) is fixedly connected with a valve seat interface (2), the inside of the valve seat interface (2) is provided with a multi-stage sealing valve core body (3), the surface of the multi-stage sealing valve core body (3) is sleeved with a fastening adjusting assembly (4), the surface of the valve seat interface (2) is sleeved with a connecting assembly (5), The fastening adjusting assembly (4) includes a sliding limiting pipe (401) sleeved on the surface of the multi-stage sealing valve core body (3), and the bottom end of the sliding limiting pipe (401) is fixedly connected with a threaded adjusting sleeve column (402); The connecting assembly (5) includes a left limiting ring block (501) and a right limiting ring block (502) sleeved on the surface of the valve seat interface (2), the two sides of the surface of the left limiting ring block (501) are fixedly connected with support rods (503), the top end of the support rod (503) is fixedly connected with an executing device (504), and the bottom surface of the executing device (504) is provided with a valve rod (505).

2. A mounting assembly for a multi-stage cascade seal valve according to claim 1, wherein: The inner wall of the valve seat interface (2) is provided with a threaded groove, and the threaded groove is matched with the threaded adjusting sleeve column (402).

3. A mounting assembly for a multi-stage cascade seal valve according to claim 1, wherein: The inside of the valve seat interface (2) is provided with a sealing washer (6), and the sealing washer (6) is matched with the bottom surface of the threaded adjusting sleeve column (402).

4. The mounting assembly for a multi-stage cascade seal valve according to claim 1, wherein: The two sides of the left limiting ring block (501) and the right limiting ring block (502) are provided with limiting holes, the inside of the limiting hole is screw-connected with a connecting bolt (7), and one end of the connecting bolt (7) is fixedly connected with a stabilizing cap (8).

5. The mounting assembly for a multi-stage cascade seal valve according to claim 1, wherein: The surface of the valve rod (505) and the surface of the multi-stage sealing valve core body (3) are sleeved with a positioning sleeve (9), and the surface of the positioning sleeve (9) is provided with two limiting holes.

6. A mounting assembly for a multi-stage cascade seal valve according to claim 5, wherein: The inside of the limiting hole is screw-connected with a positioning bolt (10), and the surface of the positioning bolt (10) is sleeved with a washer (11).

7. A mounting assembly for a multi-stage cascade seal valve according to claim 5, wherein: The edge of the surface of the valve rod (505) and the edge of the surface of the multi-stage sealing valve core body (3) are fixedly connected with connecting holes, and the connecting holes are matched with the limiting holes.

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