阅读说明：本技术 一种两片式陶瓷球阀 (Two-piece type ceramic ball valve ) 是由 徐鑫鹏 王志伟 于 2021-10-29 设计创作，主要内容包括：本发明涉及陶瓷球阀技术领域,具体为一种两片式陶瓷球阀,包括阀体、侧盖、固定座、扳座、扳手以及限位机构,所述阀体的一侧通过螺栓活动连接有侧盖,且阀体的上端外表面固定连接有固定座,所述固定座的上端外表面的中间位置转动连接有活动座,所述活动座的上端外表面固定连接有扳座,所述扳座的一侧外表面铰接有扳手,所述扳手与固定座之间设置有限位机构,所述限位机构包括连接杆、连接筒、转动环、弹性组件。本发明通过设置限位机构,卡合组件能够对转动环进行限位,防止转动环转动对扳手的位置进行限位,进而防止由于人员误碰而导致阀体被意外开启或者关闭,进而减少不必要的经济损失,并提高阀体的安全性。(The invention relates to the technical field of ceramic ball valves, in particular to a two-piece ceramic ball valve which comprises a valve body, a side cover, a fixed seat, a wrench and a limiting mechanism, wherein the side cover is movably connected to one side of the valve body through a bolt, the fixed seat is fixedly connected to the outer surface of the upper end of the valve body, the movable seat is rotatably connected to the middle position of the outer surface of the upper end of the fixed seat, the wrench seat is fixedly connected to the outer surface of the upper end of the movable seat, the wrench is hinged to the outer surface of one side of the wrench seat, the limiting mechanism is arranged between the wrench and the fixed seat, and the limiting mechanism comprises a connecting rod, a connecting cylinder, a rotating ring and an elastic assembly. According to the invention, by arranging the limiting mechanism, the clamping assembly can limit the rotating ring, so that the rotating ring is prevented from rotating to limit the position of the wrench, the valve body is prevented from being accidentally opened or closed due to mistaken collision of personnel, unnecessary economic loss is reduced, and the safety of the valve body is improved.)

1. The utility model provides a two formula pottery ball valves, includes valve body (1), side cap (2), fixing base (3), pulls seat (4), spanner (5) and stop gear (6), its characterized in that: one side of the valve body (1) is movably connected with a side cover (2) through a bolt, the outer surface of the upper end of the valve body (1) is fixedly connected with a fixed seat (3), the middle position of the outer surface of the upper end of the fixed seat (3) is rotatably connected with a movable seat (7), the outer surface of the upper end of the movable seat (7) is fixedly connected with a wrench seat (4), the outer surface of one side of the wrench seat (4) is hinged with a wrench (5), and a limiting mechanism (6) is arranged between the wrench (5) and the fixed seat (3);

the limiting mechanism (6) comprises a connecting rod (61), a connecting cylinder (62), a rotating ring (63), an elastic component (8), a driving component (64) and a clamping component (65), a rotating groove (66) is formed in the position, close to the periphery, of the outer surface of the upper end of the fixing seat (3), the rotating ring (63) is connected to the inner portion of the rotating groove (66) in a rotating mode, the connecting rod (61) is hinged to the outer surface of the lower end of the wrench (5), the connecting cylinder (62) is fixedly connected to the outer surface of the upper end of the rotating ring (63), a mounting groove (67) is formed in the position, corresponding to the connecting cylinder (62), of the outer surface of the upper end of the rotating ring (63), the mounting groove (67) is communicated with the inner surface of the connecting cylinder (62), the lower end of the connecting rod (61) penetrates through the connecting cylinder (62) and extends to the inside of the mounting groove (67), and the driving component (64) is arranged in the position, located at the bottom end, of the inside of the mounting groove (67), a plurality of groups of movable grooves (68) are annularly and equidistantly formed in two sides of the inner surface of the rotating groove (66), and clamping components (65) are arranged in the movable grooves (68).

2. A two-piece ceramic ball valve according to claim 1, wherein: the clamping assembly (65) comprises a first spring (651), a movable block (652) and a steel ball (653), wherein the first spring (651) is arranged inside the movable groove (68), one end of the first spring (651) is fixedly connected with the movable groove (68), the other end of the first spring is fixedly connected with the movable block (652), one end of the movable block (652) penetrates through the rotating groove (66) and is movably connected with the steel ball (653) in an embedded mode, arc-shaped grooves (654) are formed in positions, corresponding to the steel ball (653), of the outer surfaces of the two sides of the rotating ring (63), the inner surfaces of the arc-shaped grooves (654) are tightly attached to the outer surface of the steel ball (653), and connecting holes (644) are formed in positions, corresponding to the mounting grooves (67), of the inner surfaces of the arc-shaped grooves (654).

3. A two-piece ceramic ball valve according to claim 2, wherein: the driving assembly (64) comprises mounting blocks (641), magnets (642) and pushing blocks (643), the mounting blocks (641) are arranged at positions, close to two sides, in the mounting groove (67), the pushing blocks (643) are fixedly connected to the outer surfaces of one sides of the two sets of mounting blocks (641), the pushing blocks (643) correspond to the connecting holes (644) and are matched with each other, the magnets (642) are fixedly connected to the outer surfaces of the two sets of mounting blocks (641) on the side far away from the pushing blocks (643), and the two sets of magnets (642) are magnetically adsorbed to each other.

4. A two-piece ceramic ball valve according to claim 3, wherein: the cross section of the installation block (641) is trapezoidal, the cross section of the position, close to the lower end, of the outer surface of the connecting rod (61) is also trapezoidal in structure, the position, close to the lower end, of the outer surface of the connecting rod (61) is matched with the outer surface of the upper end of the installation block (641), and the elastic assembly (8) is arranged between the two sets of installation blocks (641).

5. The two-piece ceramic ball valve of claim 4, wherein: elastic component (8) include sleeve (81), two (82) of spring, movable rod (83), connecting plate (84) and fly leaf (85), the bottom fixedly connected with sleeve (81) of mounting groove (67) internal surface, and the inside of sleeve (81) is provided with two (82) of spring, the one end of two (82) of spring and the internal surface fixed connection of sleeve (81), the other end and movable rod (83) fixed connection, and the upper end of movable rod (83) run through to the outside of sleeve (81) and with connecting plate (84) fixed connection, connecting plate (84) are located connecting rod (61) under, and the both ends of connecting plate (84) all articulate fly leaf (85), the one end that connecting plate (84) were kept away from in fly leaf (85) is rather than corresponding installation piece (641) articulated.

6. A two-piece ceramic ball valve according to claim 5, wherein: the bottom of two sets of installation piece (641) all embedded swing joint has a plurality of groups of ball (645), and the lower extreme surface of ball (645) and mounting groove (67) internal surface closely laminate, the material of ball (645) is non-metallic material.

Technical Field

The invention relates to the technical field of ceramic ball valves, in particular to a two-piece ceramic ball valve.

Background

In industries such as petroleum refining, long-distance pipelines, chemical industry, papermaking, pharmacy, water conservancy, electric power, municipal administration, steel and the like, the two-piece ceramic ball valve is used more and more, and the two-piece ceramic ball valve can be closed tightly only by rotating 90 degrees and by a small rotating torque. The completely equal inner cavity of the valve body provides a straight flow channel with small resistance for the medium.

The two-piece ball valve and the gate valve belong to the same type of valve, and are different in that a closing part of the two-piece ball valve and the gate valve is a ball body, and the ball body rotates around the center line of the valve body to achieve the opening and closing of the valve;

the ceramic material has small deformation, much higher bonding strength than metal, small crystal ion radius of the ceramic material, high ionic electricity price and large coordination number, and the properties determine that the tensile strength, the compressive strength, the elastic modulus, the hardness and the like of the ceramic material are very high.

However, the existing two-piece ceramic ball valve has a great defect in the using process, the existing two-piece ceramic ball valve has no mechanism for limiting a wrench, so that the wrench is often accidentally touched to cause the two-piece ceramic ball valve to be accidentally opened or closed, especially in a working environment where personnel flow intensively and have strong mobility, the personnel can easily touch the wrench, unnecessary economic loss is caused, the safety of the two-piece ceramic ball valve is reduced, the safety awareness of operators is not facilitated to be improved, meanwhile, in the adjusting process, the flow rate of the flowing substances in the two-piece ceramic ball valve can not be accurately judged, and the existing fields are used, especially in the chemical field, and the requirement on the flowing rate of materials is extremely strict.

To this end, a two-piece ceramic ball valve is proposed.

Disclosure of Invention

The invention aims to provide a two-piece ceramic ball valve, wherein a limiting mechanism is arranged, a clamping assembly can limit a rotating ring, the rotating ring is prevented from rotating to limit the position of a wrench, the valve body is prevented from being accidentally opened or closed due to mistaken collision of personnel, unnecessary economic loss is reduced, the safety of the valve body is improved, meanwhile, the rotating angle of the wrench can be judged by utilizing a driving assembly in the limiting mechanism, and an operator can conveniently and accurately control the flow rate of a substance, so that the problems in the background art are solved.

In order to achieve the purpose, the invention provides the following technical scheme: a two-piece ceramic ball valve comprises a valve body, a side cover, a fixed seat, a pulling seat, a wrench and a limiting mechanism, wherein the side cover is movably connected to one side of the valve body through a bolt, the fixed seat is fixedly connected to the outer surface of the upper end of the valve body, the movable seat is rotatably connected to the middle position of the outer surface of the upper end of the fixed seat, the pulling seat is fixedly connected to the outer surface of the upper end of the movable seat, the wrench is hinged to the outer surface of one side of the pulling seat, and the limiting mechanism is arranged between the wrench and the fixed seat;

stop gear includes connecting rod, connecting cylinder, rotating ring, elastic component, drive assembly and block subassembly, the upper end surface of fixing base is close to position all around and has seted up the rotation groove, and rotates the inside rotation in groove and be connected with the rotating ring, the lower extreme surface of spanner articulates there is the connecting rod, and the upper end surface fixed connection of rotating ring has the connecting cylinder, the mounting groove has been seted up with the position that the connecting cylinder corresponds to the upper end surface of rotating ring, and mounting groove and connecting cylinder internal surface communicate with each other, the lower extreme of connecting rod runs through the connecting cylinder and extends to the inside of mounting groove, and the inside position that is located the bottom of mounting groove is provided with drive assembly, the both sides of rotating the inslot internal surface are the annular equidistance and have seted up a plurality of groups movable groove, and the inside of movable groove is provided with the block subassembly.

Through setting up stop gear, the block subassembly can carry on spacingly to the swivel becket, prevent that the swivel becket from rotating to carry on spacingly to the position of spanner, and then prevent to result in the valve body to open or close by accident because personnel miss bumps, and then reduce unnecessary economic loss, and improve the security of valve body, simultaneously, utilize the drive assembly among the stop gear, can judge spanner pivoted angle, the operating personnel of being convenient for carries out accurate control to the flow rate of material.

Preferably, the block subassembly includes spring one, movable block and steel ball, spring one sets up in the inside of activity groove, and the one end and the activity groove fixed connection of spring one, other end fixedly connected with movable block, the one end of movable block runs through to the inside of rotating the groove and embedded swing joint has the steel ball, and the arc wall has all been seted up with the position that the steel ball corresponds to the both sides surface of swivel becket, the arc wall internal surface closely laminates with the steel ball surface, and the connecting hole has been seted up to the internal surface of arc wall and the position that the mounting groove corresponds.

Under natural state, when the steel ball corresponds with the connecting hole, the movable block pushes the steel ball towards the inside of connecting hole under the effect of spring one, make the steel ball block go into the inside of connecting hole, thereby carry out spacingly to the rotating ring, prevent to touch down the spanner in the accident and drive the inside rotation of rotating ring at the rotating groove, when needs adjust the valve body, operating personnel holds the spanner and presses down, orders about drive assembly and releases the connecting hole with the steel ball and blocks the inside of going into the arc wall, thereby realize that the spanner drives the rotating ring and rotates.

Preferably, the driving assembly comprises mounting blocks, magnets and pushing blocks, the mounting blocks are arranged in the mounting grooves at positions close to the two sides, the pushing blocks are fixedly connected to the outer surfaces of one sides of the two groups of mounting blocks, the pushing blocks correspond to the connecting holes and are matched with the connecting holes, magnets are fixedly connected to one sides of the outer surfaces of the two groups of mounting blocks far away from the pushing blocks, the two groups of magnets are mutually magnetically adsorbed, the cross sections of the mounting blocks are trapezoidal, the cross section of the outer surface of the connecting rod close to the lower end is also in a trapezoidal structure, the outer surface of the connecting rod close to the lower end is matched with the outer surface of the upper end of the mounting block, the elastic component is arranged between the two groups of mounting blocks, the cross section of each mounting block is trapezoidal, and the cross section of the outer surface of the connecting rod close to the lower end is also in a trapezoidal structure, and the outer surface of the connecting rod close to the lower end is matched with the outer surface of the upper end of the mounting block.

When the valve body needs to be adjusted, an operator holds the wrench and presses downwards, the wrench rotates around one end of the wrench and pushes the connecting rod downwards, so that the connecting rod moves downwards along the inner wall of the connecting cylinder, the cross section of the mounting block is trapezoidal, the cross section of the position, close to the lower end, of the outer surface of the connecting rod is also trapezoidal, the position, close to the lower end, of the outer surface of the connecting rod is matched with the outer surface of the upper end of the mounting block, therefore, in the process that the connecting rod moves downwards and is attached to the mounting block, two groups of mounting blocks move towards two sides, the pushing block moves into the connecting hole and pushes the steel ball out of the connecting hole to enter the arc-shaped groove, then the wrench is rotated to drive the rotating ring to rotate, in the process, rolling friction is generated between the ball and the inner part of the arc-shaped groove, therefore, the abrasion can be effectively reduced, and the operator can clamp generated when the groups of steel balls correspond to the connecting holes, judge spanner pivoted angle, the operating personnel of being convenient for carries out accurate control to the flow rate of material, thereby improve the accuracy nature of regulation, when needs are fixed the spanner, operating personnel rotates the spanner to the position that connecting hole and a set of steel ball correspond, then upwards nudge the spanner, two sets of installation pieces at this moment stimulate under the combined action of the inter attraction of magnet and elastic component and promote the piece and remove to the direction of keeping away from the connecting hole, consequently, the steel ball gets into the inside of connecting hole under the effect of spring one, carry on spacingly to the rotating ring once more.

Preferably, the elastic component comprises a sleeve, a second spring, a movable rod, a connecting plate and a movable plate, the bottom end of the inner surface of the mounting groove is fixedly connected with the sleeve, the second spring is arranged inside the sleeve, one end of the second spring is fixedly connected with the inner surface of the sleeve, the other end of the second spring is fixedly connected with the movable rod, the upper end of the movable rod penetrates through the outer portion of the sleeve and is fixedly connected with the connecting plate, the connecting plate is located under the connecting rod, the two ends of the connecting plate are hinged to the movable plate, and one end, far away from the connecting plate, of the movable plate is hinged to the corresponding mounting block.

Through setting up elastic component and two sets of magnet and mutually supporting, can increase the connecting rod downstream and order about the degree of difficulty that the installation piece removed to both sides, and then improve the spacing effect of device, at the connecting rod along the in-process of connecting cylinder downstream, the connecting rod supports the connecting plate and makes its promotion movable rod downwards and extrude spring two, the fly leaf of connecting plate both sides promotes the mounting panel to both sides, then rotate the spanner, when rotating to accomplish needs carry on spacingly to the swivel becket, operating personnel loosens the spanner, the connecting rod upwards promotes the spanner under the effect of spring two, make the spanner recover, thereby utilize the elasticity of spring two to improve the degree of difficulty that the installation piece removed to both sides, and can make the spanner automatic recovery.

Preferably, it is two sets of the equal embedded swing joint in bottom of installation piece has a plurality of groups of balls, and the lower extreme surface and the mounting groove internal surface of ball closely laminate, the material of ball is non-metallic material.

There is the ball through the embedded swing joint in the bottom of installation piece, can turn into rolling friction with the sliding friction between installation piece and the mounting groove to reduce the loss in the device operation engineering, and be non-metallic material through setting up the ball, can avoid magnet to cause the influence to the roll of ball.

Compared with the prior art, the invention has the beneficial effects that:

through setting up stop gear, the block subassembly can carry on spacingly to the swivel becket, prevent that the swivel becket from rotating to carry on spacingly to the position of spanner, and then prevent to result in the valve body to open or close by accident because personnel miss bumps, and then reduce unnecessary economic loss, and improve the security of valve body, simultaneously, utilize the drive assembly among the stop gear, can judge spanner pivoted angle, the operating personnel of being convenient for carries out accurate control to the flow rate of material.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of a front view of the present invention;

FIG. 3 is a structural view of the limiting mechanism and the fixing base of the present invention;

FIG. 4 is an enlarged view of A of FIG. 3 according to the present invention;

FIG. 5 is an enlarged view of B of FIG. 3 according to the present invention;

fig. 6 is an enlarged view of C of fig. 3 according to the present invention.

In the figure: 1. a valve body; 2. a side cover; 3. a fixed seat; 4. a pulling seat; 5. a wrench; 6. a limiting mechanism; 61. a connecting rod; 62. a connecting cylinder; 63. a rotating ring; 64. a drive assembly; 641. mounting blocks; 642. a magnet; 643. a pushing block; 644. connecting holes; 645. a ball bearing; 65. clamping the assembly; 651. a first spring; 652. a movable block; 653. a steel ball; 654. an arc-shaped slot; 66. a rotating groove; 67. mounting grooves; 68. a movable groove; 7. a movable seat; 8. an elastic component; 81. a sleeve; 82. a second spring; 83. a movable rod; 84. a connecting plate; 85. a movable plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 6, the present invention provides a technical solution:

a two-piece ceramic ball valve is shown in figures 1 to 4 and comprises a valve body 1, a side cover 2, a fixed seat 3, a pull seat 4, a wrench 5 and a limiting mechanism 6, wherein the side cover 2 is movably connected to one side of the valve body 1 through a bolt, the fixed seat 3 is fixedly connected to the outer surface of the upper end of the valve body 1, a movable seat 7 is rotatably connected to the middle position of the outer surface of the upper end of the fixed seat 3, the pull seat 4 is fixedly connected to the outer surface of the upper end of the movable seat 7, the wrench 5 is hinged to the outer surface of one side of the pull seat 4, and the limiting mechanism 6 is arranged between the wrench 5 and the fixed seat 3;

the limiting mechanism 6 comprises a connecting rod 61, a connecting cylinder 62, a rotating ring 63, an elastic component 8, a driving component 64 and a clamping component 65, a rotating groove 66 is arranged on the outer surface of the upper end of the fixed seat 3 near the periphery, and the inner part of the rotating groove 66 is rotatably connected with a rotating ring 63, the outer surface of the lower end of the wrench 5 is hinged with a connecting rod 61, and the outer surface of the upper end of the rotating ring 63 is fixedly connected with a connecting cylinder 62, the outer surface of the upper end of the rotating ring 63 is provided with a mounting groove 67 at a position corresponding to the connecting cylinder 62, and the mounting groove 67 is communicated with the inner surface of the connecting cylinder 62, the lower end of the connecting rod 61 penetrates through the connecting cylinder 62 and extends to the inside of the mounting groove 67, and the position that is located the bottom in mounting groove 67 is provided with drive assembly 64, the both sides of the internal surface of rotation groove 66 are the annular equidistance and have seted up a plurality of groups activity groove 68, and the inside of activity groove 68 is provided with block assembly 65.

Through setting up stop gear 6, block subassembly 65 can be spacing to swivel 63, prevent that swivel 63 from rotating to carry out spacingly to spanner 5's position, and then prevent to result in valve body 1 to be opened or close by accident because personnel's mistake bumps, and then reduce unnecessary economic loss, and when improving valve body 1's security, utilize drive assembly 64 in stop gear 6, can judge spanner 5 pivoted angle, the operating personnel of being convenient for carries out accurate control to the flow rate of material.

As an embodiment of the present invention, as shown in fig. 3 and 4, the clamping assembly 65 includes a first spring 651, a movable block 652 and a steel ball 653, the first spring 651 is disposed inside the movable slot 68, one end of the first spring 651 is fixedly connected to the movable slot 68, the other end of the first spring 651 is fixedly connected to the movable block 652, one end of the movable block 652 penetrates into the rotating slot 66 and is movably connected to the steel ball 653 in an embedded manner, the outer surfaces of both sides of the rotating ring 63 and the position corresponding to the steel ball 653 are both provided with an arc-shaped slot 654, the inner surface of the arc-shaped slot 654 is tightly attached to the outer surface of the steel ball 653, and the inner surface of the arc-shaped slot 654 and the position corresponding to the mounting slot 67 are provided with the connecting hole 644.

In a natural state, when the steel ball 653 corresponds to the connecting hole 644, the movable block 652 pushes the steel ball 653 towards the inside of the connecting hole 644 under the action of the spring 651, so that the steel ball 653 is clamped into the inside of the connecting hole 644, the rotating ring 63 is limited, the wrench 5 is prevented from driving the rotating ring 63 to rotate in the rotating groove 66, when the valve body 1 needs to be adjusted, an operator holds the wrench 5 by hand and presses downwards, the driving assembly 64 is driven to push the steel ball 653 out of the connecting hole 644 and clamp the steel ball 653 into the inside of the arc-shaped groove 654, and the wrench 5 drives the rotating ring 63 to rotate.

As an embodiment of the present invention, as shown in fig. 3 and 5, the driving assembly 64 includes an installation block 641, a magnet 642 and a pushing block 643, the installation block 641 is disposed at a position close to both sides inside the installation groove 67, the pushing blocks 643 are fixedly connected to outer surfaces of one side of two sets of the installation blocks 641, the pushing blocks 643 correspond to the connection holes 644 and are matched with each other, the magnet 642 is fixedly connected to a side of the outer surfaces of two sets of the installation blocks 641, which is far from the pushing blocks 643, the two sets of the magnets 642 are magnetically attracted to each other, the cross section of the installation block 641 is trapezoidal, a cross section of a position of the outer surface of the connecting rod 61 close to the lower end is also trapezoidal, a position of the outer surface of the connecting rod 61 close to the lower end is matched with an outer surface of the upper end of the installation block 641, the elastic assembly 8 is disposed between the two sets of the installation blocks 641, and a cross section of the installation block 641 is trapezoidal, and the cross section of the outer surface of the connecting rod 61 near the lower end is also in a trapezoidal structure, and the outer surface of the connecting rod 61 near the lower end is matched with the outer surface of the upper end of the mounting block 641.

When the valve body 1 needs to be adjusted, an operator holds the wrench 5 and presses downward, the wrench 5 rotates around one end and pushes the connecting rod 61 downward, so that the connecting rod 61 moves downward along the inner wall of the connecting cylinder 62, because the cross section of the mounting block 641 is trapezoidal, the cross section of the outer surface of the connecting rod 61 close to the lower end is also trapezoidal, and the outer surface of the connecting rod 61 close to the lower end is matched with the outer surface of the upper end of the mounting block 641, during the downward movement of the connecting rod 61 and the bonding with the mounting block 641, both sets of mounting blocks 641 move to both sides, so that the pushing block 643 moves to the inside of the connecting hole 644 and pushes the steel ball 653 out of the connecting hole 644 to enter the inside of the arc-shaped groove 654, then the wrench 5 is rotated to drive the rotating ring 63 to rotate, during the process, rolling friction is generated between the ball 645 and the inside of the arc-shaped groove 654, thereby effectively reducing abrasion, and the operator can judge the rotation angle of the wrench 5 through the calking generated when the plurality of groups of steel balls 653 correspond to the connecting hole 644, so that the operator can accurately control the flow rate of the substance, and the adjustment accuracy is improved.

As an embodiment of the present invention, as shown in fig. 3 and 5, the elastic assembly 8 includes a sleeve 81, a second spring 82, a movable rod 83, a connecting plate 84, and a movable plate 85, the sleeve 81 is fixedly connected to a bottom end of an inner surface of the mounting groove 67, the second spring 82 is disposed inside the sleeve 81, one end of the second spring 82 is fixedly connected to the inner surface of the sleeve 81, the other end of the second spring 82 is fixedly connected to the movable rod 83, an upper end of the movable rod 83 penetrates through the outer portion of the sleeve 81 and is fixedly connected to the connecting plate 84, the connecting plate 84 is located right below the connecting rod 61, two ends of the connecting plate 84 are hinged to the movable plate 85, and one end of the movable plate 85, which is far away from the connecting plate 84, is hinged to a corresponding mounting block 641.

Through setting up elastic component 8 and two sets of magnet 642 and mutually supporting, can increase connecting rod 61 and move down and order about the degree of difficulty that installation piece 641 removed to both sides, and then improve the spacing effect of device, at the in-process that connecting rod 61 removed along connecting cylinder 62 downstream, connecting rod 61 supports connecting plate 84 and makes its promotion movable rod 83 downwards and extrude spring two 82, the fly leaf 85 of connecting plate 84 both sides promotes the mounting panel to both sides, then rotate spanner 5, when the rotation completion needs carry out spacingly to swivel becket 63, operating personnel loosen spanner 5, connecting rod 61 upwards promotes spanner 5 under the effect of spring two 82, make spanner 5 recover, thereby utilize the elasticity of spring two 82 to improve the degree of difficulty that installation piece 641 removed to both sides, and can make spanner 5 automatic recovery.

As an embodiment of the present invention, as shown in fig. 4, a plurality of sets of balls 645 are movably embedded in the bottom ends of the two sets of mounting blocks 641, the outer surfaces of the lower ends of the balls 645 are closely attached to the inner surface of the mounting groove 67, and the balls 645 are made of a non-metal material.

Through the embedded swing joint in the bottom of installation piece 641 has ball 645, can be with the sliding friction between installation piece 641 and the mounting groove 67, turn into rolling friction to reduce the loss in the device operation engineering, and be non-metallic material through setting up ball 645, can avoid magnet 642 to cause the influence to the roll of ball 645.

The working principle is as follows: in a natural state, when the steel ball 653 corresponds to the connecting hole 644, the movable block 652 pushes the steel ball 653 towards the inside of the connecting hole 644 under the action of the first spring 651, so that the steel ball 653 is clamped into the inside of the connecting hole 644, the rotating ring 63 is limited, the wrench 5 is prevented from driving the rotating ring 63 to rotate in the rotating groove 66, when the valve body 1 needs to be adjusted, an operator holds the wrench 5 by hand and presses downwards, the driving assembly 64 is driven to push the steel ball 653 out of the connecting hole 644 and clamp the steel ball 653 into the arc-shaped groove 654, and the wrench 5 is driven to drive the rotating ring 63 to rotate;

when the valve body 1 needs to be adjusted, an operator holds the wrench 5 and presses downward, the wrench 5 rotates around one end and pushes the connecting rod 61 downward, so that the connecting rod 61 moves downward along the inner wall of the connecting cylinder 62, because the cross section of the mounting block 641 is trapezoidal, the cross section of the outer surface of the connecting rod 61 close to the lower end is also trapezoidal, and the outer surface of the connecting rod 61 close to the lower end is matched with the outer surface of the upper end of the mounting block 641, during the downward movement of the connecting rod 61 and the bonding with the mounting block 641, both sets of mounting blocks 641 move to both sides, so that the pushing block 643 moves to the inside of the connecting hole 644 and pushes the steel ball 653 out of the connecting hole 644 to enter the inside of the arc-shaped groove 654, then the wrench 5 is rotated to drive the rotating ring 63 to rotate, during the process, rolling friction is generated between the ball 645 and the inside of the arc-shaped groove 654, thereby effectively reducing abrasion, and the operator can judge the rotation angle of the wrench 5 through the calking generated when the plurality of groups of steel balls 653 correspond to the connecting hole 644, so that the operator can accurately control the flow rate of the substance, and the adjustment accuracy is improved;

through setting up elastic component 8 and two sets of magnet 642 and mutually supporting, can increase connecting rod 61 and move down and order about the degree of difficulty that installation piece 641 removed to both sides, and then improve the spacing effect of device, at the in-process that connecting rod 61 removed along connecting cylinder 62 downstream, connecting rod 61 supports connecting plate 84 and makes its promotion movable rod 83 downwards and extrude spring two 82, the fly leaf 85 of connecting plate 84 both sides promotes the mounting panel to both sides, then rotate spanner 5, when the rotation completion needs carry out spacingly to swivel becket 63, operating personnel loosen spanner 5, connecting rod 61 upwards promotes spanner 5 under the effect of spring two 82, make spanner 5 recover, thereby utilize the elasticity of spring two 82 to improve the degree of difficulty that installation piece 641 removed to both sides, and can make spanner 5 automatic recovery.

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.