Stop valve convenient to adjust

Abstract

The utility model discloses a stop valve convenient to adjust, and relates to the technical field of stop valves. The check valve comprises a valve body, a valve rod is movably arranged in a valve cover in a penetrating mode, a valve wheel is fixedly arranged at the top end of the valve rod, a valve clack is fixedly arranged at the bottom end of the valve rod, a fixing assembly is arranged on the valve cover, and an adjusting assembly is arranged on the valve body. The rotary table drives the rotary shaft to rotate, the rotary shaft drives the adjusting plate to rotate, the flow is controlled by controlling the distance between the adjusting plate and the inner wall of the valve body, meanwhile, the limiting block is inserted into a gear tooth groove, the gear is fixed through the limiting block, then the adjusting plate is fixed, and therefore the situation that the flow of the stop valve cannot be adjusted can be avoided; therefore, the purpose of convenient adjustment is achieved. The positioning block is aligned with the positioning groove by moving the valve rod, the second spring drives the positioning block to be inserted into the positioning groove through elastic force, the valve rod is fixed through the positioning block, the situation that operation of a thread structure is slow is avoided, and therefore the purpose of convenient operation is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of stop valves, in particular to a stop valve which is easy to adjust. Background Art

[0002] The stop valve, also known as the gate valve, is a forced sealing valve, so when the valve is closed, pressure must be applied to the valve disc to force the sealing surface to prevent leakage;

[0003] Most of the existing stop valves can only control the opening and closing of the fluid, but cannot adjust the flow rate according to needs. Utility Model Content

[0004] In order to solve the problem that the flow rate cannot be adjusted according to needs; the purpose of the utility model is to provide a stop valve that is easy to adjust.

[0005] In order to solve the above technical problems, the utility model adopts the following technical scheme: a stop valve which is easy to adjust, comprising a valve body, a valve cover is fixedly provided on the valve body, a valve stem is movably penetrated in the valve cover, a valve wheel is fixedly provided on the top end of the valve stem, a valve disc is fixedly provided on the bottom end of the valve stem, a fixing component is arranged on the valve cover, and an adjusting component is arranged on the valve body; the adjusting component comprises an adjusting plate, the adjusting plate is located in the valve body, a rotating shaft is fixedly penetrated on the outer side of the adjusting plate, one end of the rotating shaft is rotatably mounted on the inner wall of the valve body, one end of the rotating shaft extends to the outer side of the valve body, a gear is fixedly sleeved on the outer side of the rotating shaft, a fixing plate is fixedly provided on the outer side of the valve body, a connecting rod is movably penetrated on the outer side of the fixing plate, a limiting block is fixedly provided on the bottom end of the connecting rod, the limiting block is movably clamped in the tooth groove of the gear, the adjusting plate is driven to rotate by the rotating shaft, and the adjusting plate and the valve are controlled by The spacing between the inner walls of the body controls the flow rate, and at the same time, the limit block is driven by the connecting rod to insert into the gear tooth groove, so that the limit block fixes the gear and then fixes the adjusting plate. In this way, the stop valve cannot adjust the flow rate. The outer movable sleeve of the connecting rod is provided with a first spring, and the two ends of the first spring are respectively fixedly connected to one side of the limit block and one side of the fixed plate, and the limit block is reset by the elastic force of the first spring. A turntable is fixedly provided at one end of the rotating shaft, and the rotating shaft can be conveniently rotated by the turntable. A handle is fixedly provided on the top of the connecting rod, and the connecting rod can be conveniently moved by the handle. A rubber ring is provided on the outer side of the valve disc, and the rubber ring is fitted with the valve plate in the valve body. The rubber ring can improve the sealing between the valve disc and the valve plate in the valve body, and a guide rod is fixedly provided on the outer side of the valve stem, and the guide rod movably penetrates the valve cover, and the stability of the valve stem movement can be improved by the guide rod.

[0006] Preferably, the fixing assembly includes a positioning block, the inner wall of the valve cover is provided with a groove, the positioning block is movably clamped in the groove, the outer side of the valve stem is provided with symmetrically distributed positioning grooves, one end of the positioning block is movably clamped in the positioning groove, the outer side of the valve cover is movably penetrated by a pull rod, one end of the pull rod is movably inserted in the groove and fixedly connected to one side of the positioning block, and a limit plate is fixedly provided at one end of the pull rod away from the positioning block, and the pull rod is driven to move by the limit plate, and the pull rod drives the positioning block to move out of the positioning groove and align the positioning block with another positioning groove, and the positioning block is inserted into the positioning groove so that the positioning block fixes the valve stem, thereby avoiding the situation where the threaded structure operates slowly, and a second spring is provided on the outer fixing sleeve of the pull rod, and the two ends of the second spring are respectively fixedly connected to one side of the positioning block and the inner wall of the groove, and the positioning block is reset by the elastic force of the second spring.

[0007] Compared with the prior art, the beneficial effects of the utility model are:

[0008] 1. The rotating shaft is driven to rotate by the turntable, and the rotating shaft drives the adjusting plate to rotate. The flow rate is controlled by controlling the distance between the adjusting plate and the inner wall of the valve body. At the same time, the limit block is inserted into the gear tooth groove so that the limit block fixes the gear and then fixes the adjusting plate. This can avoid the situation where the stop valve cannot adjust the flow rate, thereby achieving the purpose of convenient adjustment;

[0009] 2. By moving the valve stem to align the positioning block with the positioning groove, the second spring drives the positioning block to be inserted into the positioning groove through elastic force, so that the positioning block fixes the valve stem, thus avoiding the slow operation of the threaded structure and achieving the purpose of convenient operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0011] Figure 1 It is a schematic diagram of the structure of the utility model.

[0012] Figure 2 for Figure 1 A is an enlarged view of the structure.

[0013] Figure 3 It is a schematic diagram of the structural section of the utility model.

[0014] Figure 4 for Figure 3 A magnified view of the structure of B.

[0015] In the figure: 1. valve body; 2. fixing assembly; 21. positioning block; 22. groove; 23. positioning slot; 24. pull rod; 25. limit plate; 26. second spring; 3. adjustment assembly; 31. adjustment plate; 32. rotating shaft; 33. gear; 34. fixing plate; 35. connecting rod; 36. limiting block; 37. first spring; 38. handle; 39. turntable; 4. valve cover; 5. valve stem; 6. valve wheel; 7. valve disc; 8. rubber ring; 9. guide rod. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] Example: Figure 1-4As shown, the utility model provides a stop valve which is easy to adjust, including a valve body 1, a valve cover 4 is fixedly provided on the valve body 1, a valve stem 5 is movably penetrated in the valve cover 4, a valve wheel 6 is fixedly provided on the top end of the valve stem 5, a valve flap 7 is fixedly provided on the bottom end of the valve stem 5, a fixing assembly 2 is provided on the valve cover 4, and an adjusting assembly 3 is provided on the valve body 1; the adjusting assembly 3 includes an adjusting plate 31, the adjusting plate 31 is located in the valve body 1, a rotating shaft 32 is fixedly penetrated on the outer side of the adjusting plate 31, one end of the rotating shaft 32 is rotatably mounted on the inner wall of the valve body 1, one end of the rotating shaft 32 extends to the outer side of the valve body 1, a gear 33 is fixedly sleeved on the outer side of the rotating shaft 32, a fixing plate 34 is fixedly provided on the outer side of the valve body 1, a connecting rod 35 is movably penetrated on the outer side of the fixing plate 34, a limiting block 36 is fixedly provided on the bottom end of the connecting rod 35, the limiting block 36 is movably clamped in the tooth groove of the gear 33, the adjusting plate 31 is driven to rotate by the rotating shaft 32, and the flow rate is controlled by controlling the distance between the adjusting plate 31 and the inner wall of the valve body 1, and at the same time The limit block 36 is driven by the connecting rod 35 to be inserted into the tooth groove of the gear 33, so that the limit block 36 fixes the gear 33, and then fixes the adjusting plate 31, so as to avoid the situation that the stop valve cannot adjust the flow rate. The outer movable sleeve of the connecting rod 35 is provided with a first spring 37, and the two ends of the first spring 37 are respectively fixedly connected to one side of the limit block 36 and one side of the fixing plate 34. The limit block 36 is reset by the elastic force of the first spring 37. A turntable 39 is fixedly provided at one end of the rotating shaft 32, and the rotating shaft 32 can be conveniently rotated by the turntable 39. A handle 38 is fixedly provided at the top of the connecting rod 35, and the connecting rod 35 can be conveniently moved by the handle 38. A rubber ring 8 is provided on the outer side of the valve disc 7, and the rubber ring 8 is fitted with the valve plate in the valve body 1. The rubber ring 8 can improve the sealing between the valve disc 7 and the valve plate in the valve body 1. A guide rod 9 is fixedly provided on the outer side of the valve stem 5, and the guide rod 9 movably penetrates the valve cover 4. The stability of the movement of the valve stem 5 can be improved by the guide rod 9.

[0018] The fixing assembly 2 includes a positioning block 21, a groove 22 is provided on the inner wall of the valve cover 4, the positioning block 21 is movably clamped in the groove 22, and a symmetrically distributed positioning groove 23 is provided on the outer side of the valve stem 5. One end of the positioning block 21 is movably clamped in the positioning groove 23. A pull rod 24 is movably penetrated through the outer side of the valve cover 4. One end of the pull rod 24 is movably inserted in the groove 22 and fixedly connected to one side of the positioning block 21. A limit plate 25 is fixedly provided at one end of the pull rod 24 away from the positioning block 21, and the limit plate 25 drives the pull rod 24 to move. The rod 24 moves, and the pull rod 24 drives the positioning block 21 to move out of the positioning groove 23, and aligns the positioning block 21 with another positioning groove 23. The positioning block 21 is inserted into the positioning groove 23, so that the positioning block 21 fixes the valve stem 5, thereby avoiding the situation where the threaded structure operates slowly. The outer fixed sleeve of the pull rod 24 is provided with a second spring 26, and the two ends of the second spring 26 are respectively fixedly connected to one side of the positioning block 21 and the inner wall of the groove 22, and the positioning block 21 is reset by the elastic force of the second spring 26.

[0019] Working principle: First, move the limit plate 25, the limit plate 25 drives the pull rod 24 to move, the pull rod 24 drives the positioning block 21 to move out of the positioning groove 23, the positioning block 21 compresses the second spring 26, so that the second spring 26 generates elastic force, and then moves the valve wheel 6 upward, the valve wheel 6 drives the valve stem 5 to move, the valve stem 5 drives the valve disc 7 to move, so that the valve body 1 channel is opened, and at the same time the positioning block 21 is aligned with another positioning groove 23, the second spring 26 drives the positioning block 21 to be inserted into the positioning groove 23 through the elastic force, so that the positioning block 21 fixes the valve stem 5, thus avoiding the situation that the threaded structure operates slowly, thereby achieving the purpose of convenient operation, and then, move the handle upward. 38, the handle 38 drives the connecting rod 35 to move, and the connecting rod 35 drives the limit block 36 to move out of the tooth groove of the gear 33, and at the same time, the limit block 36 compresses the first spring 37, so that the first spring 37 generates elastic force, and then the turntable 39 is rotated, the turntable 39 drives the rotating shaft 32 to rotate, and the rotating shaft 32 drives the adjusting plate 31 to rotate, and the flow rate is controlled by controlling the distance between the adjusting plate 31 and the inner wall of the valve body 1. At the same time, the first spring 37 drives the limit block 36 to be inserted into the tooth groove of the gear 33 through the elastic force, so that the limit block 36 fixes the gear 33, and then fixes the adjusting plate 31, so as to avoid the situation that the stop valve cannot adjust the flow rate, thereby achieving the purpose of convenient adjustment.

[0020] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A stop valve that is easy to adjust, comprising a valve body (1), characterized in that: The valve body (1) is fixedly provided with a valve cover (4), a valve stem (5) movably penetrates the valve cover (4), a valve wheel (6) is fixedly provided at the top end of the valve stem (5), a valve flap (7) is fixedly provided at the bottom end of the valve stem (5), a fixing component (2) is provided on the valve cover (4), and an adjusting component (3) is provided on the valve body (1); The regulating assembly (3) comprises an regulating plate (31), the regulating plate (31) being located in the valve body (1), a rotating shaft (32) being fixedly passed through the outer side of the regulating plate (31), one end of the rotating shaft (32) being rotatably mounted on the inner wall of the valve body (1), one end of the rotating shaft (32) extending to the outer side of the valve body (1), a gear (33) being fixedly sleeved on the outer side of the rotating shaft (32), a fixing plate (34) being fixedly provided on the outer side of the valve body (1), a connecting rod (35) being movably passed through the outer side of the fixing plate (34), a limiting block (36) being fixedly provided at the bottom end of the connecting rod (35), and the limiting block (36) being movably clamped in the tooth groove of the gear (33).

2. A stop valve that is easy to adjust as claimed in claim 1, characterized in that: The fixing assembly (2) comprises a positioning block (21), the inner wall of the valve cover (4) is provided with a groove (22), the positioning block (21) is movably clamped in the groove (22), the outer side of the valve stem (5) is provided with symmetrically distributed positioning grooves (23), one end of the positioning block (21) is movably clamped in the positioning groove (23), a pull rod (24) is movably penetrated through the outer side of the valve cover (4), one end of the pull rod (24) is movably inserted in the groove (22) and fixedly connected to one side of the positioning block (21), and a limit plate (25) is fixedly provided at one end of the pull rod (24) away from the positioning block (21).

3. The easily adjustable stop valve according to claim 1, characterized in that: A first spring (37) is provided on the outer movable sleeve of the connecting rod (35), and two ends of the first spring (37) are respectively fixedly connected to one side of the limit block (36) and one side of the fixing plate (34).

4. The easily adjustable stop valve according to claim 1, characterized in that: A rotating disk (39) is fixedly provided at one end of the rotating shaft (32).

5. The easily adjustable stop valve according to claim 2, characterized in that: A second spring (26) is provided on the outer fixing sleeve of the pull rod (24), and two ends of the second spring (26) are respectively fixedly connected to one side of the positioning block (21) and the inner wall of the groove (22).

6. The easily adjustable stop valve according to claim 1, characterized in that: A handle (38) is fixedly provided on the top end of the connecting rod (35).

7. The easily adjustable stop valve according to claim 1, characterized in that: A rubber ring (8) is sleeved on the outer side of the valve disc (7), and the rubber ring (8) is fitted to the inner valve plate of the valve body (1).

8. The easily adjustable stop valve according to claim 1, characterized in that: A guide rod (9) is fixedly provided on the outer side of the valve stem (5), and the guide rod (9) movably penetrates the valve cover (4).

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