CN210266041U

CN210266041U - Check valve convenient to adjust valve rod length

Info

Publication number: CN210266041U
Application number: CN201921160679.5U
Authority: CN
Inventors: 黄圣贤
Original assignee: Zhenjiang Chemical Instruments And Electrical Appliances Co Ltd
Current assignee: Zhenjiang Chemical Instruments And Electrical Appliances Co Ltd
Priority date: 2019-07-23
Filing date: 2019-07-23
Publication date: 2020-04-07
Anticipated expiration: 2029-07-23

Abstract

The utility model discloses a check valve convenient to adjust valve rod length, which comprises a valve body, the equal fixed mounting in both sides of valve body has the installation circle, the bolt is installed at the top of valve body, there is the valve gap at the top of valve body through bolt fixed mounting, the middle part of valve body and valve gap is equipped with the valve rod, the both sides of valve rod are run through and are seted up the grafting through-hole, the last surface sliding of valve rod has cup jointed the extension pipe, the both sides of extension pipe lower surface are run through and have been seted up connect the through-hole. Through pulling the spanner, drive slide bar and sliding plate and slide respectively in slide opening and sleeve, make the inserted bar slide to the sleeve is interior, when the inserted bar slided from the plug-in through hole in, can pull the hand wheel, drive the extension pipe and slide on the valve rod surface, when the inserted bar was counterpointed with other plug-in through holes, thereby not hard up spanner can make the inserted bar insert the plug-in through hole and make extension pipe and valve rod fixed, thereby reached and be convenient for carry out the effect adjusted to valve rod length, realized the target convenient to use.

Description

Check valve convenient to adjust valve rod length

Technical Field

The utility model relates to the technical field of valves, especially, relate to a check valve convenient to adjust valve rod length.

Background

The check valve is a valve whose opening and closing part is a circular valve clack and acts by self weight and medium pressure to block medium backflow, belonging to the automatic valve class, also called check valve, one-way valve, backflow valve or isolating valve, the valve clack movement mode is divided into lifting type and swing type, the lifting type check valve is similar to the structure of the isolating valve, only the valve rod driving the valve clack is lacked, the medium flows in from the inlet end (lower side) and flows out from the outlet end (upper side), when the inlet pressure is greater than the sum of the weight of the valve clack and the flow resistance thereof, the valve is opened, otherwise, the valve is closed when the medium flows backwards, the swing type check valve has a valve clack which is obliquely arranged and can rotate around a shaft, the working principle is similar to that of the lifting type check valve, the check valve is used as a bottom valve of a common water pumping device, the. The disadvantages are high resistance and poor sealing performance when closed.

Most of the length of the valve rod or the valve rod control end of the check valve on the current market is fixed, and the height of the valve rod is difficult to adjust, so that the use requirement of a user is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model provides a be not enough to prior art, the utility model provides a check valve convenient to adjust valve rod length, the valve rod or the most length of valve rod control end of having solved the check valve on the existing market are fixed, are difficult to the adjusting valve rod height to the not convenient to use person's the problem that needs.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a check valve convenient for adjusting the length of a valve rod comprises a valve body, wherein mounting rings are fixedly mounted on two sides of the valve body, a bolt is mounted on the top of the valve body, a valve cover is fixedly mounted on the top of the valve body through the bolt, the valve rod is arranged in the middle of the valve body and the valve cover, inserting through holes are formed in two sides of the valve rod in a penetrating manner, an extension pipe is sleeved on the upper surface of the valve rod in a sliding manner, connecting through holes are formed in two sides of the lower surface of the extension pipe in a penetrating manner, a hand wheel is fixedly mounted at the top end of the extension pipe, a sleeve is fixedly mounted on one side of the extension pipe, a sliding hole is formed in the middle of the side of the sleeve away from the extension pipe in a penetrating manner, a sliding plate is connected inside the sleeve in a sliding manner, the lath is positioned outside the sleeve, and the middle part of one side surface of the sliding plate, which is far away from the sliding rod, is fixedly provided with an inserted rod.

Preferably, the number of the plugging through holes is multiple.

Preferably, one side surface of the sliding plate close to the extension pipe is an arc surface.

Preferably, one end of the spring, which is far away from the sliding plate, is fixedly connected with the inner wall of the sleeve.

Preferably, the insertion rod is movably inserted into the connecting through hole and the insertion through hole.

Compared with the prior art, the beneficial effects of the utility model are that: this check valve convenient to adjust valve rod length, through the pulling spanner, drive slide bar and sliding plate and slide respectively in slide opening and sleeve, make the inserted bar slide to the sleeve is interior, when the inserted bar slided from the inserted hole in, can pull the hand wheel, drive the extension pipe and slide on the valve rod surface, when the inserted bar was counterpointed with other grafting through-holes, not hard up spanner can make the inserted bar insert the grafting through-hole thereby make extension pipe and valve rod fixed, thereby reached and be convenient for adjust the effect to valve rod length, the target of convenient to use has been realized.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a front sectional view of the sleeve structure of the present invention;

fig. 3 is a top view of the sliding plate structure of the present invention.

In the figure: the valve comprises a valve body 1, a mounting ring 2, a bolt 3, a valve cover 4, a valve rod 5, a splicing through hole 6, an extension pipe 7, a hand wheel 8, a sleeve 9, a sliding hole 10, a sliding plate 11, a sliding plate 12, a sliding rod 13, a spring 14, a spanner 15 and a splicing rod 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a check valve convenient for adjusting the length of a valve rod comprises a valve body 1, wherein mounting rings 2 are fixedly mounted on both sides of the valve body 1, bolts 3 are mounted on the top of the valve body 1, a valve cover 4 is fixedly mounted on the top of the valve body 1 through the bolts 3, a valve rod 5 is arranged in the middle of the valve body 1 and the valve cover 4, plugging through holes 6 are formed in both sides of the valve rod 5, a plurality of plugging through holes 6 are formed in the upper surface of the valve rod 5 in a sliding manner, an extension pipe 7 is sleeved on the upper surface of the valve rod 5 in a sliding manner, connecting through holes 8 are formed in both sides of the lower surface of the extension pipe 7 in a penetrating manner, a hand wheel 9 is fixedly mounted at the top end of the extension pipe 7, a sleeve 10 is fixedly mounted on one side of the extension pipe 7, a slide hole 11 is formed in the middle of one side of, the sliding rod 13 is positioned in the middle of the spring 14, one end of the spring 14, which is far away from the sliding plate 12, is fixedly connected with the inner wall of the sleeve 10, one end of the sliding rod 13, which is far away from the sliding plate 12, is fixedly provided with a spanner 15, a lath 15 of the spanner is positioned outside the sleeve 10, the middle part of the sliding plate 12, which is far away from one side surface of the sliding rod 13, is fixedly provided with an insertion rod 16, the insertion rod 16 is movably inserted in the connecting through hole 8 and the insertion through hole 6, the spanner 15 is pulled to drive the sliding rod 13 and the sliding plate 12 to respectively slide in the sliding hole 11 and the sleeve 10, so that the insertion rod 16 slides towards the sleeve 10, when the insertion rod 16 slides away from the insertion through hole 6, the hand wheel 9 can be pulled to drive the extension pipe 7 to slide on the surface of the valve rod 5, when the insertion rod 16 is aligned with other insertion through holes 6, the spanner 15 can enable the insertion rod 16, the aim of convenient use is achieved.

In summary, according to the check valve convenient for adjusting the valve rod length, the lever 15 is pulled to drive the sliding rod 13 and the sliding plate 12 to slide in the sliding hole 11 and the sleeve 10 respectively, so that the insertion rod 16 slides towards the sleeve 10, when the insertion rod 16 slides away from the insertion through hole 6, the hand wheel 9 can be pulled to drive the extension pipe 7 to slide on the surface of the valve rod 5, when the insertion rod 16 is aligned with other insertion through holes 6, the insertion rod 16 can be inserted into the insertion through hole 6 by loosening the lever 15, so that the extension pipe 7 is fixed with the valve rod 5, the effect of adjusting the valve rod length conveniently is achieved, the purpose of convenience in use is achieved, and the problems that most lengths of the valve rod or the valve rod control end of the check valve in the current market are fixed, the valve rod length is difficult to adjust, and the use requirement of a user is inconvenient are.

It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The check valve convenient for adjusting the length of the valve rod comprises a valve body (1) and is characterized in that mounting rings (2) are fixedly mounted on two sides of the valve body (1), bolts (3) are mounted on the top of the valve body (1), a valve cover (4) is fixedly mounted on the top of the valve body (1) through the bolts (3), a valve rod (5) is arranged in the middle of the valve body (1) and the valve cover (4), inserting through holes (6) are formed in two sides of the valve rod (5) in a penetrating mode, an extension pipe (7) is sleeved on the upper surface of the valve rod (5) in a sliding mode, connecting through holes (8) are formed in two sides of the lower surface of the extension pipe (7) in a penetrating mode, a hand wheel (9) is fixedly mounted at the top end of the extension pipe (7), a sleeve (10) is fixedly mounted on one side of the extension pipe (7), a slide hole (11), the novel sliding sleeve is characterized in that a sliding plate (12) is connected to the interior of the sleeve (10) in a sliding mode, a sliding rod (13) and a spring (14) are fixedly mounted on one side face of the sliding plate (12), the sliding rod (13) is located in the middle of the spring (14), a spanner (15) is fixedly mounted at one end, far away from the sliding plate (12), of the sliding rod (13), the spanner (15) is located on the exterior of the sleeve (10), and an inserted rod (16) is fixedly mounted in the middle of the sliding plate (12), far away from one side face of the sliding rod.

2. A non-return valve facilitating the adjustment of the length of the valve stem according to claim 1, characterized in that the number of the plug-in through holes (6) is plural.

3. A check valve for facilitating the adjustment of the length of a valve stem according to claim 1, characterized in that the slide plate (12) is cambered on the side near the extension tube (7).

4. A non-return valve for facilitating the adjustment of the length of the valve stem according to claim 1, characterized in that the end of the spring (14) remote from the slide plate (12) is fixedly connected to the inner wall of the sleeve (10).

5. A non-return valve for facilitating the adjustment of the length of the valve rod according to claim 1, characterized in that the plug rod (16) is movably inserted inside the connecting through-hole (8) and the plug through-hole (6).