CN210890121U

CN210890121U - Compact stop valve

Info

Publication number: CN210890121U
Application number: CN201921863580.1U
Authority: CN
Inventors: 洪国来
Original assignee: Yangzhou Hongye Marine Equipment Co ltd
Current assignee: Yangzhou Hongye Marine Equipment Co ltd
Priority date: 2019-11-01
Filing date: 2019-11-01
Publication date: 2020-06-30
Anticipated expiration: 2029-11-01

Abstract

The utility model provides a compact stop valve, which comprises a valve body, the interior roof center department of valve body is equipped with the toper draw-in groove, just be equipped with the valve rod in the cavity of valve body, the one end of valve rod runs through perpendicularly the top casing of valve body, there is the mount pad bottom of valve rod through bolt fixed mounting, the mount pad is kept away from hydraulic telescoping rod is installed through the bolt to the one end of valve rod, one side of hydraulic telescoping rod is equipped with the hydraulic pump, the top of hydraulic pump pass through the bolt with the bottom fixed connection of mount pad, just hydraulic telescoping rod's bottom welded fastening has the case, the bottom welded fastening of case has the conical valve head, the conical valve head is kept away from the one end of case with toper draw-in groove joint is connected. The utility model discloses a reciprocating motion of hydraulic telescoping rod has improved the regulating power of stop valve, has improved the speed that the stop valve was opened and was closed.

Description

Compact stop valve

Technical Field

The utility model mainly relates to a stop valve technical field specifically is a compact stop valve.

Background

The existing stop valve has large fluid resistance and large force required during opening and closing, so that the adjustment performance is poor, and quick opening or closing is difficult to realize.

For example, patent No. 201710886269.8 has a simple structure, is easy to install, reduces fluid resistance, reduces fluid power loss in the pipeline, and is compact in structure, but has poor adjustment performance, and cannot open or close the stop valve more quickly. Therefore, it is necessary to develop a shut-off valve that can improve the adjusting capability of the shut-off valve and increase the opening and closing speed of the shut-off valve.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides a compact stop valve for solve the technical problem who proposes in the above-mentioned background art.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

the utility model provides a compact stop valve, including the valve body, the interior roof center department of valve body is equipped with the toper draw-in groove, just be equipped with the valve rod in the cavity of valve body, the one end of valve rod runs through perpendicularly the top casing of valve body, there is the mount pad bottom of valve rod through bolt fixed mounting, the mount pad is kept away from hydraulic telescoping rod is installed through the bolt to the one end of valve rod, one side of hydraulic telescoping rod is equipped with the hydraulic pump, the top of hydraulic pump pass through the bolt with the bottom fixed connection of mount pad, just hydraulic telescoping rod's bottom welded fastening has the case, the bottom welded fastening of case has the toper valve head, the toper valve head is kept away from the one end of case with the toper draw-in groove joint.

Further, install the buffer layer through the bolt on the interior bottom plate of toper draw-in groove, the buffer layer is including the rubber slab, the barrel is installed down through the bolt in the bottom of rubber slab, sliding connection has last barrel on the inner wall of barrel open end down, install the fixing base through the bolt on the interior bottom plate of last barrel, the top of fixing base is embedded to have buffer spring, buffer spring keeps away from the one end of fixing base with the interior roof of barrel contacts but not fixed down, just go up the barrel and keep away from the one end bonding of barrel is connected with the elastic plate down, the bottom of elastic plate pass through the bolt with toper draw-in groove's interior bottom plate fixed connection.

Further, a handle is installed at one end, extending out of the valve body, of the valve rod through a bolt.

Furthermore, one end of the valve body, which is far away from the handle, is provided with a fluid outlet, and one side of the valve body, which is opposite to the fluid outlet, is provided with a fluid inlet.

Furthermore, the inner walls of one ends, far away from the valve body, of the fluid outlet and the fluid inlet are respectively provided with a first sealing washer, and the outer walls of the two first sealing washers are respectively provided with an external thread.

Furthermore, internal threads are arranged on the inner walls of the ends, far away from the valve body, of the fluid outlet and the fluid inlet, and each internal thread is meshed and connected with the external thread on each first sealing washer.

Furthermore, the top end of the fluid outlet is engaged and connected with an adjusting bolt.

Furthermore, a second sealing washer is connected to the outer wall of the valve core between the fluid outlet and the fluid inlet in a meshed manner, a cleaning plate is arranged at the bottom end of the second sealing washer, a plurality of brushes are embedded in the outer wall of the cleaning plate in an staggered manner, and one end, far away from the second sealing washer, of the valve core penetrates through the cleaning plate.

Compared with the prior art, the beneficial effects of the utility model are that:

one of the two ends of the valve body is provided with a conical clamping groove, the valve core is connected with the conical clamping groove in a clamping manner, the valve core is driven to move downwards by the hydraulic telescopic rod, the conical valve head is connected with the conical clamping groove in a clamping manner, the stop valve is opened, the hydraulic telescopic rod moves upwards by the hydraulic telescopic rod, the conical valve head is separated from the conical clamping groove, the stop valve is closed, the regulating capacity of the stop valve is improved by the reciprocating motion of the hydraulic telescopic rod, and the opening and closing speed of the stop valve is improved;

secondly, the utility model has good sealing performance, the bolt connects the fluid outlet and the fluid inlet with the pipeline respectively, the joints of the fluid outlet and the fluid inlet with the pipeline are sealed by the first sealing washer, and the sealing is formed between the fluid outlet and the fluid inlet by the second sealing washer, thus improving the sealing performance of the stop valve;

thirdly, the utility model discloses a rubber slab, lower barrel, buffer spring, lower barrel and the elastic plate that set gradually have cushioned the pressure that tapered slot received, prevent tapered slot's damage.

The present invention will be explained in detail with reference to the drawings and specific embodiments.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a sectional view of the internal structure of the valve body of the present invention;

FIG. 3 is a cross-sectional view of the buffer layer structure of the present invention;

fig. 4 is a schematic structural view of a first sealing washer of the present invention;

fig. 5 is an enlarged view of the area a in fig. 2.

Reference numerals: 1. a valve body; 11. a fluid outlet; 111. an internal thread; 12. a fluid inlet; 13. a tapered slot; 2. a first sealing gasket; 21. an external thread; 3. a buffer layer; 31. a rubber plate; 32. a lower cylinder body; 33. a buffer spring; 34. a fixed seat; 35. an upper cylinder body; 36. an elastic plate; 4. a handle; 5. a valve stem; 51. a mounting seat; 52. a hydraulic telescopic rod; 53. a hydraulic pump; 54. a valve core; 541. a conical valve head; 6. adjusting the bolt; 7. a second sealing gasket; 8. cleaning the plate; 81. and a brush.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-5, a compact stop valve comprises a valve body 1, a tapered slot 13 is arranged at the center of the inner top plate of the valve body 1, a valve rod 5 is arranged in the cavity of the valve body 1, one end of the valve rod 5 vertically penetrates through the top end shell of the valve body 1, the bottom end of the valve rod 5 is fixedly provided with an installation seat 51 through a bolt, one end of the installation seat 51 far away from the valve rod 5 is provided with a hydraulic telescopic rod 52 through a bolt, one side of the hydraulic telescopic rod 52 is provided with a hydraulic pump 53, the top of the hydraulic pump 53 is fixedly connected with the bottom of the mounting seat 51 through a bolt, and the bottom end of the hydraulic telescopic rod 52 is welded and fixed with a valve core 54, the bottom end of the valve core 54 is welded and fixed with a conical valve head 541, one end of the conical valve head 541 far away from the valve core 54 is connected with the conical clamping groove 13 in a clamping mode.

Please refer to fig. 1-2 again, a handle 4 is installed at one end of the valve rod 5 extending out of the valve body 1 through a bolt, a fluid outlet 11 is installed at one end of the valve body 1 far away from the handle 4, a fluid inlet 12 is installed at one side of the valve body 1 opposite to the fluid outlet 11, first sealing washers 2 are respectively installed on inner walls of one ends of the fluid outlet 11 and the fluid inlet 12 far away from the valve body 1, external threads 21 are respectively installed on outer walls of the two first sealing washers 2, internal threads 111 are respectively installed on inner walls of one ends of the fluid outlet 11 and the fluid inlet 12 far away from the valve body 1, and each internal thread 111 is engaged with the external thread 21 on each first sealing washer 2. In the embodiment, the joints of the fluid outlet 11 and the fluid inlet 12 and the pipeline are sealed through the first sealing gasket 2, the sealing performance is improved, the fluid leakage is prevented, and the manual starting of the stop valve is realized through the handle 4.

Referring again to fig. 2, the top end of the fluid outlet 11 is engaged with the adjusting bolt 6. In the present embodiment, the spool 54 can be fastened by tightening the adjusting bolt 6, and the spool 54 is prevented from rattling when subjected to high pressure.

Please refer to fig. 2 and 5 again, a second sealing washer 7 is engaged and connected to an outer wall of the valve core 54 between the fluid outlet 11 and the fluid inlet 12, a cleaning plate 8 is disposed at a bottom end of the second sealing washer 7, a plurality of brushes 81 are embedded in the outer wall of the cleaning plate 8 in a staggered manner, and one end of the valve core 54 away from the second sealing washer 7 penetrates through the cleaning plate 8. In this embodiment, the sealing of the shut-off valve is improved by the second sealing gasket 7 sealing between the fluid outlet 11 and the fluid inlet 12.

Please refer to fig. 3 again, the inner bottom plate of the tapered card slot 13 is provided with a buffer layer 3 through a bolt, the buffer layer 3 includes a rubber plate 31, the bottom end of the rubber plate 31 is provided with a lower barrel 32 through a bolt, the inner wall of the opening end of the lower barrel 32 is connected with an upper barrel 35 in a sliding manner, the inner bottom plate of the upper barrel 35 is provided with a fixing seat 34 through a bolt, the top end of the fixing seat 34 is embedded with a buffer spring 33, one end of the buffer spring 33 far away from the fixing seat 34 is contacted with the inner top plate of the lower barrel 32 but is not fixed, one end of the upper barrel 35 far away from the lower barrel 32 is connected with an elastic plate 36 in an adhesion manner, and the bottom end of the elastic plate 36 is fixedly connected with the inner bottom plate of the. In this embodiment, the rubber plate 31, the lower cylinder 32, the buffer spring 33, the lower cylinder 32 and the elastic plate 36, which are arranged in sequence, buffer the pressure on the tapered card slot 13 and prevent the tapered card slot 13 from being damaged.

The utility model discloses a concrete operation as follows:

firstly, the fluid outlet 11 and the fluid inlet 12 are respectively connected with the pipeline through bolts, the joints of the fluid outlet 11 and the fluid inlet 12 with the pipeline are sealed through a first sealing gasket 2, when the hydraulic pump 53 works, the hydraulic telescopic rod 52 moves downwards, the valve core 54 is pushed to move downwards until the conical valve head 541 is connected with the conical clamping groove 13 in a clamping manner, the valve core 54 can be fastened by tightening the adjusting bolt 6, the valve core 54 is prevented from shaking when subjected to high pressure, the sealing of the shut-off valve is improved by the second sealing gasket 7 sealing between the fluid outlet 11 and the fluid inlet 12, and when the spool 54 moves downwards, through the rubber sheet 31, lower barrel 32, buffer spring 33, lower barrel 32 and the elastic plate 36 that set gradually, the pressure that toper draw-in groove 13 received has been cushioned, prevents the damage of toper draw-in groove 13, when hydraulic pump 53 can't the during operation, realizes manual start stop valve through handle 4.

The above description of the present invention is made in conjunction with the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and the method and the technical solution of the present invention are not substantially improved or directly applied to other occasions without improvement, and are all within the protection scope of the present invention.

Claims

1. The utility model provides a compact stop valve, is including valve body (1), its characterized in that: a conical clamping groove (13) is arranged at the center of an inner top plate of the valve body (1), a valve rod (5) is arranged in a cavity of the valve body (1), one end of the valve rod (5) vertically penetrates through the top end shell of the valve body (1), the bottom end of the valve rod (5) is fixedly provided with a mounting seat (51) through a bolt, one end of the mounting seat (51) far away from the valve rod (5) is provided with a hydraulic telescopic rod (52) through a bolt, one side of the hydraulic telescopic rod (52) is provided with a hydraulic pump (53), the top of the hydraulic pump (53) is fixedly connected with the bottom of the mounting seat (51) through a bolt, and the bottom end of the hydraulic telescopic rod (52) is fixedly welded with a valve core (54), the bottom end of the valve core (54) is fixedly welded with a conical valve head (541), and one end, far away from the valve core (54), of the conical valve head (541) is connected with the conical clamping groove (13) in a clamping mode.

2. A compact stop valve as defined in claim 1, wherein: a buffer layer (3) is arranged on the inner bottom plate of the conical clamping groove (13) through a bolt, the buffer layer (3) comprises a rubber plate (31), the bottom end of the rubber plate (31) is provided with a lower cylinder body (32) through a bolt, the inner wall of the opening end of the lower cylinder body (32) is connected with an upper cylinder body (35) in a sliding way, a fixed seat (34) is arranged on the inner bottom plate of the upper cylinder body (35) through a bolt, a buffer spring (33) is embedded in the top end of the fixed seat (34), one end of the buffer spring (33) far away from the fixed seat (34) is in contact with but not fixed with the inner top plate of the lower cylinder body (32), and one end of the upper cylinder body (35) far away from the lower cylinder body (32) is bonded with an elastic plate (36), the bottom end of the elastic plate (36) is fixedly connected with the inner bottom plate of the conical clamping groove (13) through a bolt.

3. A compact stop valve as defined in claim 1, wherein: and a handle (4) is installed at one end of the valve rod (5) extending out of the valve body (1) through a bolt.

4. A compact stop valve as defined in claim 3, wherein: one end, far away from the handle (4), of the valve body (1) is provided with a fluid outlet (11), and one side, opposite to the fluid outlet (11), of the valve body (1) is provided with a fluid inlet (12).

5. A compact stop valve as defined in claim 4, wherein: the fluid outlet (11) and the fluid inlet (12) are far away from the inner wall of one end of the valve body (1) and are provided with first sealing gaskets (2), and the outer walls of the first sealing gaskets (2) are provided with external threads (21).

6. A compact stop valve as defined in claim 5, wherein: and internal threads (111) are arranged on the inner walls of the fluid outlet (11) and the fluid inlet (12) far away from one end of the valve body (1), and each internal thread (111) is meshed and connected with the external thread (21) on each first sealing gasket (2).

7. A compact stop valve as defined in claim 5, wherein: the top end of the fluid outlet (11) is engaged and connected with an adjusting bolt (6).

8. A compact stop valve as defined in claim 7, wherein: the valve core (54) is positioned on the outer wall between the fluid outlet (11) and the fluid inlet (12) and is connected with a second sealing washer (7) in a meshed mode, a cleaning plate (8) is arranged at the bottom end of the second sealing washer (7), a plurality of brushes (81) are embedded in the outer wall of the cleaning plate (8) in a staggered mode, and one end, far away from the second sealing washer (7), of the valve core (54) penetrates through the cleaning plate (8).