Low-torque type efficient transmission ball valve

Abstract

The utility model relates to the technical field of ball valves, and discloses a low-torque type efficient transmission ball valve, which solves the problem that the existing butterfly valve is inconvenient to disassemble and maintain when internal parts are damaged, and comprises a valve body, a butt joint pipe is arranged on the outer side of the valve body, a connecting mechanism is arranged between the butt joint pipe and the valve body, and a ball body is arranged in the valve body. The top end of the ball body is fixedly connected with a valve rod, the top end of the valve rod extends to the outer side of the valve body and is fixedly connected with a hand wheel, the top of the valve body is provided with a rolling bearing, the rolling bearing is connected to the outer side of the valve rod in a sleeving mode, and the connecting mechanism comprises a fixing ring fixed to the outer side of the valve body; two L-shaped blocks are symmetrically and fixedly connected to the side, away from the fixing ring, of the mounting ring. According to the butterfly valve, the butt-joint pipe can be installed above the valve body, on the contrary, the butt-joint pipe can be detached from the valve body, and therefore damaged internal parts of the butterfly valve can be maintained conveniently.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of ball valve, concretely is a low torque type high -efficient transmission ball valve. BACKGROUND

[0002] Ball valve, also known as ball body opening and closing element, is driven by valve rod and rotates around the axis of ball valve, and can be used for the adjustment and control of fluid, not only can flexibly control the flow of medium, flow distribution and switching of flow direction, but also can close any channel and connect the other two channels;According to the patent document with the name of "low torque electric ball valve" and the authorized announcement number CN221054351U, the elastic element is arranged to exert the elastic force outward on the sealing plate, when the sealing ring outside the sealing plate is worn, the elastic force outward on the sealing plate can be exerted to make the worn sealing ring outside the sealing plate always adhere to the inner valve seat, thereby ensuring the sealing effect of the whole low torque electric ball valve;But there are still the following defects:

[0003] The valve body is of integral structure, so that the internal parts of the butterfly valve are not convenient to disassemble and repair when damaged. CONTENT OF THE UTILITY MODEL

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a low torque type high -efficient transmission ball valve, which effectively solves the problem that the internal parts of the butterfly valve are not convenient to disassemble and repair when damaged.

[0005] In order to achieve the above purpose, the utility model provides the following technical scheme: a low torque type high -efficient transmission ball valve, comprising a valve body, the outer side of the valve body is provided with a butt joint pipe, a connecting mechanism is arranged between the butt joint pipe and the valve body, the inside of the valve body is provided with a ball, the top end of the ball is fixedly connected with a valve rod, the top end of the valve rod extends to the outer side of the valve body and is fixedly connected with a hand wheel, the top of the valve body is provided with a rolling bearing, and the rolling bearing is sleeved on the outer side of the valve rod.

[0006] The connecting mechanism comprises a fixed ring fixed to the outer side of the valve body, the end close to the valve body of the butt joint pipe is fixedly connected with a mounting ring, the side away from the fixed ring of the mounting ring is fixedly connected with two L-shaped blocks symmetrically, the side close to the mounting ring of the fixed ring is fixedly connected with two guide rods symmetrically, the two L-shaped blocks are movably sleeved on the outer sides of the two guide rods respectively, and the mounting ring is located between the two guide rods.

[0007] Preferably, the outer side of the mounting ring is provided with a semicircular ring, two guide blocks are symmetrically and fixedly connected on the semicircular ring, the two guide blocks are movably sleeved on the outer sides of the two guide rods respectively, the two guide blocks are fixedly connected with the fixed ring and are provided with reset springs respectively, the two reset springs are sleeved on the outer sides of the two guide rods respectively, and the two guide blocks away from the fixed ring are fixedly connected with limiting cylinders respectively, and one end of the two limiting cylinders is abutted with the two L-shaped blocks respectively.

[0008] Preferably, the side of the fixed ring close to the butt joint pipe is fixedly connected with a sealing ring, and the end of the mounting ring away from the butt joint pipe is attached to the sealing ring.

[0009] Preferably, the side of the fixed ring close to the butt joint pipe is fixedly connected with a sealing ring, and the end of the mounting ring away from the butt joint pipe is attached to the sealing ring.

[0010] Preferably, the side of the fixed ring close to the butt joint pipe is fixedly connected with a sealing ring, and the end of the mounting ring away from the butt joint pipe is attached to the sealing ring.

[0011] Preferably, the side of the fixed ring close to the butt joint pipe is fixedly connected with a sealing ring, and the end of the mounting ring away from the butt joint pipe is attached to the sealing ring.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. The utility model discloses a butterfly valve, which comprises a valve body, a mounting ring, a fixed ring, two L-shaped blocks, two guide rods and two limiting cylinders.

[0014] 2. The utility model discloses a novel butterfly valve, which comprises a valve body, a mounting ring, a fixed ring, two L-shaped blocks, two guide rods and two limiting cylinders. BRIEF DESCRIPTION OF DRAWINGS

[0015] The drawings are used to provide a further understanding of the utility model and constitute a part of the specification, are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation on the utility model.

[0016] In the drawings:

[0017] Figure 1This is a schematic diagram of the structure of the utility model low torque high efficiency transmission ball valve;

[0018] Figure 2 This is a schematic diagram of the connection mechanism structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the disassembled structure of the fixing ring and the mounting ring of the utility model;

[0020] Figure 4 This is a schematic diagram of the semicircular ring structure of the utility model;

[0021] Figure 5 This is a schematic diagram of the structure of the limiting cylinder of the utility model;

[0022] Figure 6 This is a schematic diagram of the screw structure of the utility model.

[0023] In the figure: 1. valve body; 2. connecting mechanism; 201. fixing ring; 202. semicircular ring; 203. mounting ring; 204. L-shaped block; 205. sealing ring; 206. screw; 207. limiting cylinder; 208. guide block; 209. return spring; 2010. guide rod; 2011. abutment column; 2012. nut; 2013. side shaft; 2014. square rod; 2015. square groove; 3. butt joint; 4. valve stem; 5. handwheel; 6. rolling bearing. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0025] Embodiment 1, by Figure 1 The utility model relates to a low-torque, high-efficiency transmission ball valve, comprising a valve body 1, a butt joint 3 is provided on the outside of the valve body 1, a connecting mechanism 2 is provided between the butt joint 3 and the valve body 1, a sphere is provided inside the valve body 1, the top of the sphere is fixedly connected to a valve stem 4, the top of the valve stem 4 extends to the outside of the valve body 1 and is fixedly connected to a handwheel 5, a rolling bearing 6 is provided on the top of the valve body 1, and the rolling bearing 6 is sleeved on the outside of the valve stem 4. By arranging the rolling bearing 6, friction is reduced, low-torque operation is achieved, and transmission efficiency is improved.

[0026] Specifically, by Figures 2-5The connecting mechanism 2 comprises a fixed ring 201 fixed to the outer side of the valve body 1, an installation ring 203 fixedly connected to the end of the butt joint pipe 3 close to the valve body 1, two L-shaped blocks 204 symmetrically fixedly connected to the side of the installation ring 203 away from the fixed ring 201, two guide rods 2010 symmetrically fixedly connected to the side of the fixed ring 201 close to the installation ring 203, the two L-shaped blocks 204 are movably sleeved on the outer sides of the two guide rods 2010 respectively, and the installation ring 203 is located between the two guide rods 2010, a semicircular ring 202 is arranged on the outer side of the installation ring 203, two guide blocks 208 are symmetrically fixedly connected to the semicircular ring 202, the two guide blocks 208 are movably sleeved on the outer sides of the two guide rods 2010 respectively, the two guide blocks 208 and the fixed ring 201 are fixedly connected with a reset spring 209, the two reset springs 209 are sleeved on the outer sides of the two guide rods 2010 respectively, the two guide blocks 208 are fixedly connected with a limiting cylinder 207 away from the fixed ring 201, the two limiting cylinders 207 are sleeved on the outer sides of the two guide rods 2010 respectively, and one end of the two limiting cylinders 207 respectively abuts against the two L-shaped blocks 204, the fixed ring 201 is fixedly connected with a sealing ring 205 close to the butt joint pipe 3, the end of the installation ring 203 away from the butt joint pipe 3 is in abutment with the sealing ring 205, the sealing ring 205 is arranged between the fixed ring 201 and the installation ring 203, so that the sealing property of the connection between the two is facilitated, the fixed ring 201 is symmetrically fixedly connected with two abutting columns 2011 close to the butt joint pipe 3, the installation ring 203 is located between the two abutting columns 2011, and the two L-shaped blocks 204 respectively abut against the two abutting columns 2011;

[0027] In the use state, first, the semicircular ring 202 is moved to drive the two guide blocks 208 to slide along the two guide rods 2010 respectively and away from the fixed ring 201, at this time, the two reset springs 209 are stretched, and the two limiting cylinders 207 are moved at the same time, then the installation ring 203 is moved close to the fixed ring 201 and rotated until the two L-shaped blocks 204 abut against the two abutting columns 2011 respectively, then the installation ring 203 is pushed to drive the two L-shaped blocks 204 to move and be sleeved on the outer sides of the two guide rods 2010 respectively, so that the installation ring 203 is in abutment with the sealing ring 205, then the semicircular ring 202 is loosened, at this time, the two reset springs 209 are reset to drive the two guide blocks 208 to slide along the two guide rods 2010 respectively, and drive the two limiting cylinders 207 to move and be sleeved on the outer sides of the two guide rods 2010 respectively, until the two limiting cylinders 207 abut against the two L-shaped blocks 204 respectively, the two L-shaped blocks 204 are fixed with the fixed ring 201, the installation of the butt joint pipe 3 is completed, when the semicircular ring 202 is pulled to make the two limiting cylinders 207 separate from the two guide rods 2010 respectively, the two L-shaped blocks 204 can be taken out from the two guide rods 2010 respectively, the butt joint pipe 3 is disassembled, and finally the damaged internal parts of the butterfly valve are repaired.

[0028] Specifically, by Figure 6 It is given that the fixed ring 201 is fixedly connected with a screw rod 206 on the side close to the butt joint pipe 3, the semicircular ring 202 is movably sleeved on the outer side of the screw rod 206, the screw nut 2012 is arranged on the side away from the fixed ring 201 of the semicircular ring 202, the screw nut 2012 is threadedly sleeved on the outer side of the screw rod 206, the side shaft 2013 is rotatably connected with the side away from the fixed ring 201 of the semicircular ring 202, the square rod 2014 is fixedly connected with the end of the side shaft 2013 away from the semicircular ring 202, and the square groove 2015 matched with the square rod 2014 is arranged on the end of the screw rod 206 away from the fixed ring 201;

[0029] In the use state, first, the semicircular ring 202 is moved to drive the two guide blocks 208 to slide away from the fixed ring 201 along the two guide rods 2010, at this time, the two reset springs 209 are stretched, and the two limiting barrels 207 are moved, then the side shaft 2013 is rotated, so that the square rod 2014 is inserted into the square groove 2015 under the action of the elastic force of the two reset springs 209, at this time, the positions of the two limiting barrels 207 are fixed, the two L-shaped blocks 204 can be sleeved on the outer sides of the two guide rods 2010, then the semicircular ring 202 is moved again, so that the square rod 2014 is separated from the square groove 2015 and rotated, so that the two limiting barrels 207 abut against the two L-shaped blocks 204 under the action of the elastic force of the two reset springs 209, then the screw nut 2012 is sleeved on the outer side of the screw rod 206 and tightened, the semicircular ring 202 is limited, and finally the butt joint pipe 3 and the valve body 1 are firmly connected.

Claims

1. A low torque high efficiency transmission ball valve comprising a valve body (1), characterized in that: The outer side of the valve body (1) is provided with a butt joint pipe (3), and a connecting mechanism (2) is arranged between the butt joint pipe (3) and the valve body (1). The inside of the valve body (1) is provided with a ball, and the top end of the ball is fixedly connected with a valve rod (4). The top end of the valve rod (4) extends to the outside of the valve body (1) and is fixedly connected with a hand wheel (5). The top of the valve body (1) is provided with a rolling bearing (6), and the rolling bearing (6) is sleeved on the outer side of the valve rod (4). The connecting mechanism (2) comprises a fixed ring (201) fixed to the outer side of the valve body (1), and the end of the butt joint pipe (3) close to the valve body (1) is fixedly connected with a mounting ring (203). The mounting ring (203) is symmetrically fixedly connected with two L-shaped blocks (204) on the side away from the fixed ring (201). The fixed ring (201) is symmetrically fixedly connected with two guide rods (2010) on the side close to the mounting ring (203). The two L-shaped blocks (204) are movably sleeved on the outer sides of the two guide rods (2010), and the mounting ring (203) is located between the two guide rods (2010).

2. A low torque high efficiency transmission ball valve according to claim 1, characterized in that: The outer side of the mounting ring (203) is provided with a semicircular ring (202), and the semicircular ring (202) is symmetrically fixedly connected with two guide blocks (208). The two guide blocks (208) are movably sleeved on the outer sides of the two guide rods (2010). The two guide blocks (208) and the fixed ring (201) are fixedly connected with two return springs (209). The two return springs (209) are sleeved on the outer sides of the two guide rods (2010). The two guide blocks (208) are fixedly connected with two limiting cylinders (207) on the side away from the fixed ring (201). The two limiting cylinders (207) are sleeved on the outer sides of the two guide rods (2010), and one end of the two limiting cylinders (207) respectively abuts against the two L-shaped blocks (204).

3. The low torque high efficiency transmission ball valve according to claim 1, characterized in that: The side close to the butt joint pipe (3) of the fixed ring (201) is fixedly connected with a sealing ring (205), and the end of the mounting ring (203) away from the butt joint pipe (3) is attached to the sealing ring (205).

4. The low torque high efficiency transmission ball valve according to claim 1, wherein: The side close to the butt joint pipe (3) of the fixed ring (201) is symmetrically fixedly connected with two abutting columns (2011), and the mounting ring (203) is located between the two abutting columns (2011). The two L-shaped blocks (204) respectively abut against the two abutting columns (2011).

5. The low torque high efficiency transmission ball valve according to claim 1, wherein: The side close to the butt joint pipe (3) of the fixed ring (201) is fixedly connected with a screw rod (206), and the semicircular ring (202) is movably sleeved on the outer side of the screw rod (206). The side away from the fixed ring (201) of the semicircular ring (202) is provided with a nut (2012) which is threadedly sleeved on the outer side of the screw rod (206).

6. A low torque high efficiency transmission ball valve as claimed in claim 2, wherein: The side away from the semicircular ring (202) of the side shaft (2013) is fixedly connected with a square rod (2014), and the end of the screw rod (206) away from the fixed ring (201) is provided with a square groove (2015) matched with the square rod (2014).

Images