Rotatable adjusting type valve

Abstract

The utility model relates to the technical field of valves, and discloses a rotatable adjusting type valve which comprises a valve body and a pipeline, a hand wheel is arranged in the valve body, a limiting assembly is arranged on the outer wall of the hand wheel, the limiting assembly comprises a limiting disc, and the limiting disc is rotatably connected to the outer wall of the hand wheel. The bottom of the limiting disc is fixedly connected with the valve, a plurality of clamping grooves are formed in the limiting disc, a connecting block is fixedly connected to the outer wall of the hand wheel, a connecting column is fixedly connected to the interior of the connecting block, a transmission column is slidably connected to the interior of the connecting column, and a connecting assembly is arranged on one side of the valve. According to the valve, by pulling the pull ring, the transmission column and the clamping block synchronously slide in the connecting column under the action of pulling force, so that the effect of limiting the hand wheel is achieved, and the problems of excessive abrasion of a sealing surface and medium leakage caused by the fact that the hand wheel of an existing valve is not effectively limited are solved; and the service life and the operation safety of the valve are obviously improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve technical field especially relates to a rotatable adjustable valve. BACKGROUND

[0002] In the field of industrial fluid control, the rotatable adjustable valve is a kind of key device, is widely used in chemical industry, petroleum, water treatment and many scenes such as domestic water heating, and its main function is to control the flow, pressure and flow direction of fluid by rotating valve core, and this kind of valve becomes the core component in various systems by virtue of compact structure, flexible operation and good sealing, along with the continuous acceleration of industrial automation process and the increasing environmental protection requirement, the market puts forward higher requirements to the operation convenience, regulation precision and reliability of valve.

[0003] At present, the rotatable adjustable valve commonly seen in the market, such as butterfly valve, ball valve and plunger valve, mostly adopts manual or electric drive mode, and the core mechanical structure is mainly composed of hand wheel, valve rod, valve core and valve body, taking butterfly valve as an example, when user rotates hand wheel, hand wheel drives butterfly plate to rotate around shaft through valve rod, and the rotation angle of butterfly plate determines the opening of valve, so as to realize the regulation of fluid flow, when butterfly plate and valve seat are closely combined, valve is closed, and fluid is prevented from passing through;When butterfly plate and valve seat are separated, fluid can pass through smoothly.

[0004] In the prior art, the hand wheel operation of rotatable adjustable valve lacks effective limiting device, which is a common problem, since hand wheel can rotate freely, there is no clear limiting mark and limiting structure, and user is difficult to accurately judge the opening of valve during operation, and excessive rotation can occur, when hand wheel is excessively rotated, the contact pressure between valve core and valve seat is too large, which causes the sealing surface to wear intensively, thereby reducing the sealing performance of valve, and even causing leakage, in addition, excessive rotation can also damage the transmission components of valve, affect the normal service life of valve, and therefore a rotatable adjustable valve is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a rotatable adjustable valve, which aims at solving the problems of misoperation, low regulation precision and mechanical wear caused by no limit rotation of existing valve.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A rotatable adjustable valve, comprising a valve and a pipeline, the valve is internally provided with a hand wheel, the outer wall of the hand wheel is provided with a limiting assembly;

[0008] The limiting assembly comprises a limiting disc, the limiting disc is rotationally connected to the outer wall of the hand wheel, the bottom of the limiting disc is fixedly connected to the valve, a plurality of clamping grooves are formed in the inside of the limiting disc, the outer wall of the hand wheel is fixedly connected with a connecting block, the connecting block is fixedly connected with a connecting column in the inside, the connecting column is slidably connected with a transmission column in the inside, the transmission column is fixedly connected with a clamping block at one end, the clamping block is matched with the plurality of clamping grooves, a spring one is arranged on the outer wall of the transmission column, one end of the spring one is fixedly connected to the side wall of the connecting column, and the other end is fixedly connected to the top end of the clamping block, a pull ring is fixedly connected to the top end of the transmission column, and a connecting assembly is arranged on one side of the valve.

[0009] As a further description of the above technical scheme:

[0010] The connecting assembly comprises a connecting shaft one and a connecting shaft two, one end of the connecting shaft one is fixedly connected to one side of the valve, and one end of the connecting shaft two is fixedly connected to one side of the pipeline.

[0011] As a further description of the above technical scheme:

[0012] The connecting shaft one is fixedly connected with a clamping piece one in the inside, and the connecting shaft two is fixedly connected with a clamping piece two on the outer wall, and the clamping piece one is matched with the clamping piece two.

[0013] As a further description of the above technical scheme:

[0014] The outer wall of the connecting shaft one is fixedly connected with a fixed disc one, and the outer wall of the connecting shaft two is fixedly connected with a fixed disc two.

[0015] As a further description of the above technical scheme:

[0016] The inside of the fixed disc one is provided with a limiting groove, and one side of the fixed disc two is fixedly connected with a fixed shaft.

[0017] As a further description of the above technical scheme:

[0018] The inside of the fixed shaft is slidably connected with a transmission rod, the outer wall of the transmission rod is fixedly connected with a pressing disc, and the pressing disc is slidably connected with the inner wall of the fixed shaft.

[0019] As a further description of the above technical scheme:

[0020] One end of the transmission rod is fixedly connected with a pressing disc, the outer wall of the transmission rod is fixedly connected with a limiting column, and the limiting column is matched with the limiting groove.

[0021] As a further description of the above technical scheme:

[0022] The outer wall of the transmission rod is provided with a spring two, one end of the spring two is fixedly connected to the inner wall of the fixed shaft, and the other end is fixedly connected to the side wall of the transmission rod.

[0023] The utility model has the advantages of the following:

[0024] 1、 the utility model discloses, through pulling the pull ring, under the action of tension will make transmission column and the card block synchronous in the inside sliding of connecting column, thereby make the card block separate the card slot and realize the unlocking, after unlocking, operating personnel can rotate the hand wheel freely, thereby realize the effect of limiting the hand wheel, solve the sealing surface excessive wear and medium leakage problem of the existing valve because the hand wheel has no effective limiting, significantly improve the service life and operation safety of the valve.

[0025] 2、 the utility model discloses, through the insertion of connecting shaft two in connecting shaft one inside, and then rotate connecting shaft two, make the interlocking piece one and the interlocking piece two interlock, realize the preliminary connection limiting of pipeline, through pressing presser disc, make presser disc drive the limiting column and enter the inside of limiting slot, and then rotate presser disc, make the limiting column deflect in the inside of limiting slot, thereby realize the effect of quick -wiring pipeline, solved the traditional valve installation and dismounting time -consuming problem, significantly improve the maintenance efficiency and operation convenience. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a kind of rotatable adjustment formula valve's three-dimensional schematic diagram that the utility model proposes;

[0027] Figure 2 It is the structure schematic diagram of the limiting disc section of a kind of rotatable adjustment formula valve that the utility model proposes;

[0028] Figure 3 It is Figure 2 The enlarged view of A in middle;

[0029] Figure 4 It is the structure schematic diagram of one side of the connecting shaft one of a kind of rotatable adjustment formula valve that the utility model proposes;

[0030] Figure 5 It is the structure schematic diagram of the fixed disc one section of a kind of rotatable adjustment formula valve that the utility model proposes;

[0031] Figure 6 It is Figure 4 The enlarged view of B in middle.

[0032] LEGEND:

[0033] 1, valve; 2, hand wheel; 3, limiting disc; 4, connecting block; 5, connecting column; 6, transmission column; 7, clamping block; 8, spring one; 9, pull ring; 10, clamping groove; 11, connecting shaft one; 12, connecting shaft two; 13, pipeline; 14, clamping piece one; 15, clamping piece two; 16, fixed disc one; 17, limiting groove; 18, fixed disc two; 19, fixed shaft; 20, transmission rod; 21, extrusion disc; 22, pressing disc; 23, limiting column; 24, spring two. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0035] Reference Figure 1 - Figure 3 An embodiment provided by the utility model: a rotatable adjustable valve, comprising a valve 1 and a pipeline 13, the valve 1 is internally provided with a hand wheel 2, the outer wall of the hand wheel 2 is provided with a limiting assembly, and the limiting assembly is used for preventing unnecessary displacement or excessive movement of the hand wheel 2.

[0036] The limiting assembly comprises a limiting disc 3, the limiting disc 3 is used for limiting the rotation range of the hand wheel 2, and the rotation of the hand wheel 2 is ensured within a predetermined angle, the limiting disc 3 is rotationally connected to the outer wall of the hand wheel 2, the bottom of the limiting disc 3 is fixedly connected to the valve 1, a plurality of clamping grooves 10 are formed in the limiting disc 3, the clamping grooves 10 are used for enabling the clamping block 7 to be accurately embedded therein, thereby effectively limiting the rotation position of the hand wheel 2, the outer wall of the hand wheel 2 is fixedly connected with a connecting block 4, the connecting block 4 is fixedly connected with a connecting column 5 in the inside, the connecting column 5 is slidingly connected with a transmission column 6 in the inside, one end of the transmission column 6 is fixedly connected with the clamping block 7, the clamping block 7 is matched with the plurality of clamping grooves 10, the outer wall of the transmission column 6 is provided with a spring one 8, the spring one 8 is used for providing a reverse restoring force, ensuring that the clamping block 7 can rebound to the initial position during the adjustment, thereby avoiding excessive wear, one end of the spring one 8 is fixedly connected to the side wall of the connecting column 5, and the other end is fixedly connected to the top end of the clamping block 7, the top end of the transmission column 6 is fixedly connected with a pull ring 9, which is made of rubber material, and is used for facilitating the operator to quickly drive the assembly to move, one side of the valve 1 is provided with a connecting assembly, and the connecting assembly is used for facilitating the operator to quickly connect the valve 1 and the pipeline 13.

[0037] Specifically, in the use of the valve 1, the operator first by pulling the pull ring 9 to apply a pulling force, the transmission column 6 in the connecting column 5 inside the sliding, the transmission column 6 sliding block 7 synchronous movement, so that the block 7 from the card slot 10, to achieve the unlocking, at this time, the operator can freely rotate the hand wheel 2, thereby adjusting the flow of the valve 1, in the process, the movement of the block 7 further compresses the spring 8, so that it is elastically deformed, store elastic potential energy, after the completion of the flow adjustment, the spring 8 elastic potential energy will push the block 7 re-enter the card slot 10, so as to realize the locking, ensure that the adjusted hand wheel 2 will not be affected by external force deviation, to ensure the stability of the flow adjustment.

[0038] Referring to Figure 4 - Figure 6 The connecting assembly comprises a connecting shaft one 11 and a connecting shaft two 12, one end of the connecting shaft one 11 is fixedly connected on one side of the valve 1, one end of the connecting shaft two 12 is fixedly connected on one side of the pipeline 13, the connecting shaft one 11 and the connecting shaft two 12 in the connecting assembly provide stable support and connection for the connecting assembly, the connecting shaft one 11 is fixedly connected with a clamping piece one 14 inside, the connecting shaft two 12 is fixedly connected with a clamping piece two 15 outside, the clamping piece one 14 and the clamping piece two 15 are matched, through the cooperation of the clamping piece one 14 and the clamping piece two 15, the preliminary connection and limiting can be realized, to ensure the stability of the valve 1 and the pipeline 13 during the connection process, the connecting shaft one 11 is fixedly connected with a fixed disc one 16 outside, the connecting shaft two 12 is fixedly connected with a fixed disc two 18 outside, the fixed disc one 16 is provided with a limiting slot 17 inside, the limiting slot 17 limits the movement of the limiting column 23, to ensure that the limiting column 23 will not deviate inside, thereby further ensuring the stable connection of the connecting assembly, the fixed disc two 18 is fixedly connected with a fixed shaft 19 on one side, the fixed shaft 19 is slidingly connected with a transmission rod 20 inside, the transmission rod 20 is fixedly connected with a pressing disc 21 outside, the pressing disc 21 further transmits power, to ensure that the spring two 24 can be extruded and deformed, the pressing disc 21 is slidingly connected with the fixed shaft 19 inside, the transmission rod 20 is fixedly connected with a pressing disc 22 on one end, the pressing disc 22 facilitates the movement of the transmission rod 20 driven by the operator, to provide convenient operability for the operator, the transmission rod 20 is fixedly connected with a limiting column 23 outside, the limiting column 23 is matched with the limiting slot 17, the transmission rod 20 is provided with a spring two 24 outside, the spring two 24 provides a reverse force for the limiting column 23, to ensure that the limiting column 23 can be tightly combined with the limiting slot 17, to ensure the stability of the connection, one end of the spring two 24 is fixedly connected with the fixed shaft 19 inside, the other end is fixedly connected with the transmission rod 20 side wall.

[0039] Specifically, when the valve 1 is connected with the pipeline 13, the operator first aligns the pipeline 13 with the valve 1, and then inserts the connecting shaft two 12 into the connecting shaft one 11, the rotation of the connecting shaft two 12 will make the clamping piece two 15 and the clamping piece one 14 bite each other, complete the preliminary limiting and connection, then the operator presses the pressing disc 22, the pressing force makes the transmission rod 20 slide in the fixed shaft 19, drives the pipeline 13 to slide into the limiting groove 17, the rotation of the pressing disc 22 promotes the synchronous deflection movement of the limiting column 23 in the limiting groove 17. At the same time, the sliding of the transmission rod 20 drives the extrusion disc 21 to move synchronously, the extrusion disc 21 will further compress the spring two 24, causing the spring two 24 to be elastically deformed and store elastic potential energy, through the elastic potential energy of the spring two 24, the limiting column 23 gets the reverse force, makes it tightly fit the inner wall of the limiting groove 17, prevents the limiting column 23 from shifting or deflecting in the limiting groove 17, ensures the connection of the valve 1 and the pipeline 13 is firm and stable, in this way, the whole device not only ensures the stability of the flow regulation of the valve 1, but also makes the pipeline 13 connection and disassembly process more simple and fast, greatly improves the use convenience and work efficiency of the operator.

[0040] Working principle: when the valve 1 needs to be adjusted by the hand wheel 2, first pull the pull ring 9, under the action of the pull force, the transmission column 6 will slide in the connecting column 5, further drive the block 7 to move synchronously, so that the block 7 is unlocked, and the hand wheel 2 can be freely rotated, and the valve 1 is adjusted, and the block 7 is further extruded, so that the spring 8 is elastically deformed, and the elastic potential energy is stored, after adjustment, the elastic potential energy of the spring 8 drives the block 7 to be relocked in the slot 10, so as to realize locking, ensure that the hand wheel 2 will not be offset due to external force after adjustment, so as to ensure the stability of adjustment, when connecting, the pipeline 13 is attached to the valve 1, and then the connecting shaft 12 is inserted into the connecting shaft 11, after the connecting shaft 11 is inserted, the clamping piece 15 is clamped with the clamping piece 14, the preliminary limiting and connection are completed, and then the pressing disc 22 is pressed, under the action of the pressing force, the transmission rod 20 will slide in the fixed shaft 19, under the driving of the fixed shaft 19, the pipeline 13 slides into the limiting groove 17, and then the pressing disc 22 is rotated, so that the limiting column 23 is synchronously deflected in the limiting groove 17, under the sliding of the transmission rod 20, the extrusion disc 21 is synchronously moved, the spring 24 is extruded by the sliding of the extrusion disc 21, so that the spring 24 is elastically deformed, and the elastic potential energy is stored, the reverse force is provided for the limiting column 23 by the elastic potential energy of the spring 24, so that the limiting column 23 is tightly attached to the inner wall of the limiting groove 17, and the deflection of the limiting column 23 in the limiting groove 17 is prevented, so as to realize quick connection and disassembly, and provide operation convenience for the operator.

[0041] Finally, it should be pointed out that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A rotatable regulating valve comprising a valve (1) and a duct (13), characterized in that: The valve (1) is internally provided with a hand wheel (2), and the outer wall of the hand wheel (2) is provided with a limiting assembly; The limiting assembly comprises a limiting disc (3) which is rotationally connected to the outer wall of the hand wheel (2), and the bottom of the limiting disc (3) is fixedly connected to the valve (1), a plurality of clamping grooves (10) are formed in the inside of the limiting disc (3), a connecting block (4) is fixedly connected to the outer wall of the hand wheel (2), a connecting column (5) is fixedly connected to the inside of the connecting block (4), a transmission column (6) is slidably connected to the inside of the connecting column (5), a clamping block (7) is fixedly connected to one end of the transmission column (6), the clamping block (7) is matched with the plurality of clamping grooves (10), a spring (8) is arranged on the outer wall of the transmission column (6), one end of the spring (8) is fixedly connected to the side wall of the connecting column (5), and the other end is fixedly connected to the top end of the clamping block (7), a pull ring (9) is fixedly connected to the top end of the transmission column (6), and a connecting assembly is arranged on one side of the valve (1).

2. A rotatable adjustment valve according to claim 1, wherein: The connecting assembly comprises a connecting shaft one (11) and a connecting shaft two (12), one end of the connecting shaft one (11) is fixedly connected to one side of the valve (1), and one end of the connecting shaft two (12) is fixedly connected to one side of the pipeline (13).

3. A rotatable adjustment valve according to claim 2, wherein: The connecting shaft one (11) is fixedly connected with a clamping piece one (14) in the inside, the connecting shaft two (12) is fixedly connected with a clamping piece two (15) on the outer wall, and the clamping piece one (14) is matched with the clamping piece two (15).

4. A rotatable adjustment valve according to claim 3, wherein: The connecting shaft one (11) is fixedly connected with a fixed disc one (16) on the outer wall, and the connecting shaft two (12) is fixedly connected with a fixed disc two (18) on the outer wall.

5. A rotatable adjustment valve according to claim 4, wherein: The inside of the fixed disc one (16) is provided with a limiting groove (17), and one side of the fixed disc two (18) is fixedly connected with a fixed shaft (19).

6. A rotatable adjustment valve according to claim 5, wherein: The inside of the fixed shaft (19) is slidably connected with a transmission rod (20), the outer wall of the transmission rod (20) is fixedly connected with a squeezing disc (21), and the squeezing disc (21) is slidably connected with the inner wall of the fixed shaft (19).

7. A rotatable adjustment valve according to claim 6, wherein: One end of the transmission rod (20) is fixedly connected with a pressing disc (22), the outer wall of the transmission rod (20) is fixedly connected with a limiting column (23), and the limiting column (23) is matched with the limiting groove (17).

8. A rotatable adjustment valve according to claim 7, wherein: The outer wall of the transmission rod (20) is provided with a spring two (24), one end of the spring two (24) is fixedly connected to the inner wall of the fixed shaft (19), and the other end is fixedly connected to the side wall of the transmission rod (20).

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