Multifunctional integrated mechanical locking telescopic ball valve

Abstract

The utility model relates to the technical field of valves, in particular to a multifunctional integrated mechanical locking telescopic ball valve which comprises a valve body, a fluid channel formed in the valve body, a valve ball arranged in the valve body through a sealing telescopic device, a valve cover arranged on the valve body and a valve rod rotationally arranged on the valve cover. The end, located in the valve body, of the valve rod is clamped with the valve ball, a sealing cover is arranged on the valve body through a quick-release clamping device, the upper end of the valve rod is a hexagonal prism, the inner side of the sealing cover is matched with the upper end of the valve rod, and a locking device is arranged between the sealing cover and the valve body.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve technical field, especially relates to multifunctional integrated mechanical lock retractable ball valve. BACKGROUND

[0002] Ball valve is a kind of common valve, and the medium passage is realized opening and closing by rotating ball valve spool, mainly used for cutting off, distribution and changing medium flow direction on pipeline, generally only allow full open or full close, therefore, a encryption device is usually added to ball valve for preventing irrelevant personnel to open and close ball valve, and the encryption device is usually composed of encryption cover and locking device, and the encryption cover is responsible for preventing outsiders and impurities from affecting the opening and closing of the valve, so the encryption cover is generally fixedly connected with the valve, which also leads to that when the locking device is damaged or the encryption cover is damaged after long-term use, the user cannot disassemble the encryption cover on site for maintenance, and the maintenance convenience is poor and the functionality is insufficient. SUMMARY

[0003] Therefore, in view of the above problems, the utility model provides multifunctional integrated mechanical lock retractable ball valve.

[0004] To achieve the above object, the technical scheme of the utility model provides multifunctional integrated mechanical lock retractable ball valve, including valve body, fluid passage arranged on the valve body, valve ball arranged in the valve body through sealing telescopic device, valve cover arranged on the valve body, valve rod rotatably arranged on the valve cover, one end of the valve rod in the valve body is clamped with the valve ball, the valve cover is arranged on the valve body through quick-release clamping device, the upper end of the valve rod is hexagonal column, the inside of the valve cover is matched with the upper end of the valve rod, and the locking device is arranged between the valve cover and the valve body.

[0005] Further improvement is that the quick-release clamping device includes: mounting hole arranged on the valve rod, mounting column arranged on the encryption cover, clamping block arranged on the mounting column, at least two positioning square columns slidably arranged on the inside of the mounting hole for clamping with the clamping block, and release ring arranged on the mounting column for releasing the clamping of the positioning square column through magnetic driving device.

[0006] Further improvement is that the elastic device includes: positioning square hole arranged on the mounting hole, first spring fixedly connected with the positioning square column at one end and fixedly connected with the bottom of the positioning square hole at the other end.

[0007] Further improvement is that the magnetic drive device comprises a second spring sleeved on one end of the mounting column and connected with the release ring on the other end, and a magnetic ring arranged on the release ring.

[0008] Further improvement is that the locking device comprises four first locking holes arranged on the valve body, second locking holes arranged on the encryption cover and corresponding to the first locking holes, locking magnets arranged in the first locking holes and the second locking holes and capable of sliding up and down, and a third spring arranged in the first locking hole and resisting the locking magnet on one end and the bottom of the first locking hole on the other end.

[0009] Further improvement is that the telescopic sealing device comprises a first sealing ring arranged between the valve body and the valve ball, a valve cap locked on the valve body, and a second sealing ring arranged between the valve cap and the valve ball.

[0010] Further improvement is that the telescopic device comprises a telescopic pipe arranged on the valve cap and capable of telescoping, and a joint cap arranged on the telescopic pipe and capable of rotating.

[0011] Further improvement is that the positioning device comprises a plurality of clamping plates arranged on the periphery of the pressing plate, first and second limiting grooves arranged on the valve cap, and first and second elastic clamping rings arranged in the first and second limiting grooves to prevent the pressing plate from moving.

[0012] Further improvement is that the check device comprises a sliding sleeve arranged on the pressing plate, a check valve rod arranged in the sliding sleeve and capable of sliding, a check valve plate arranged on the check valve rod and close to the valve, a sealing layer arranged on the check valve plate, a check valve seat arranged on the valve cap and matched with the check valve plate, and a fourth spring sleeved on the check valve rod and resisting the pressing plate on one end and the check valve plate on the other end.

[0013] Further improvement is that a third limiting groove is arranged on the end of the valve cap away from the valve, a third elastic clamping ring is arranged in the third limiting groove, and a third limiting ring table is arranged on the telescopic pipe and matched with the third elastic clamping ring.

[0014] A fourth limiting groove is arranged on the end of the telescopic pipe away from the valve, a fourth elastic clamping ring is arranged in the fourth limiting groove, and a fourth limiting ring table is arranged on the joint pipe and matched with the fourth elastic clamping ring.

[0015] The utility model discloses the advantages and beneficial effects lie in:

[0016] Simple structure, convenient to use, the quick detachable clamping device is arranged between the encryption cover and the valve rod, so that the user can quickly detach and replace the encryption cover when needed, thereby maintaining the locking device, or replacing the encryption cover eroded by external impurities for a long time, improve the use functionality of the valve and the maintenance convenience. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is the part sectional view schematic drawing of the utility model multifunctional integrated mechanical lock closing telescopic ball valve.

[0018] Fig. 2 It is the enlarged schematic drawing of the utility model multifunctional integrated mechanical lock closing telescopic ball valve A part.

[0019] Fig. 3 It is the part sectional view schematic drawing of the utility model multifunctional integrated mechanical lock closing telescopic ball valve telescopic device and bonnet.

[0020] In the drawing: 101, valve body;102, fluid passage;103, valve ball;104, valve rod;105, encryption cover;106, hexagonal column;107, slot;108, mounting hole;109, mounting column;110, clamping round block;111, positioning square column;112, release round ring;113, positioning square hole;114, first spring;115, second spring;116, magnetic ring;117, first bevel;118, first round angle;119, second bevel;120, first locking hole;121, second locking hole;122, locking magnetic block;123, third spring;124, first sealing ring;125, bonnet;126, second sealing ring;127, telescopic pipe;128, loose cap;129, pressing plate;130, clamping plate;131, first limit slot;132, second limit slot;133, first elastic clamping ring;134, second elastic clamping ring;135, sliding sleeve;136, check valve rod;137, check valve plate;138, sealing layer;139, check valve seat;140, fourth spring;141, third limit slot;142, third elastic clamping ring;143, third limit ring table;144, fourth limit slot;145, four elastic clamping ring;146, four limit ring table. DETAILED DESCRIPTION

[0021] The specific embodiments of the utility model are further described below in combination with the drawings and examples. The following examples are only used to more clearly illustrate the technical scheme of the utility model, and cannot limit the protection scope of the utility model.

[0022] As Figs. 1-3As shown, the multifunctional integrated mechanical locking telescopic ball valve comprises a valve body 101, a fluid passage 102 provided on the valve body 101, a valve ball 103 provided in the valve body 101 through a sealing telescopic device, a valve cover provided on the valve body 101, a valve stem 104 rotatably provided on the valve cover, one end of the valve stem 104 located in the valve body 101 is clamped with the valve ball 103, the valve body 101 is provided with an encryption cover 105 through a quick release clamping device, the upper end of the valve stem 104 is a hexagonal column 106, the inside of the encryption cover 105 matches the upper end of the valve stem 104, a locking device is arranged between the encryption cover 105 and the valve body 101, and a slotted groove 107 is provided on the outside of the encryption cover 105 for easy rotation.

[0023] In order to facilitate the user to quickly install and disassemble the encryption cover 105, and prevent foreign matters from eroding the connection between the encryption cover 105 and the valve, the quick release clamping device comprises: a mounting hole 108 provided on the valve stem 104, a mounting column 109 provided on the encryption cover 105, a clamping circular block 110 provided on the mounting column 109, at least two positioning square columns 111 slidably provided on the inside of the mounting hole 108 for clamping with the clamping circular block 110, and a release circular ring 112 provided on the mounting column 109 for releasing the clamping of the positioning square column 111 through a magnetic driving device.

[0024] In order to facilitate clamping with the clamping circular block 110, the elastic device comprises: a positioning square hole 113 provided on the mounting hole 108, a first spring 114 fixedly connected to one end of the positioning square hole 113 and fixedly connected to the other end of the positioning square hole 113, and the first spring 114 is in a natural state, and the positioning square column 111 can be clamped with the clamping circular block 110.

[0025] In order to facilitate the user to release the clamping state of the positioning square column 111 and the clamping circular block 110, so as to release the encryption cover 105 provided on the valve, the magnetic driving device comprises: a second spring 115 sleeved on the mounting column 109, one end of the second spring 115 is connected with the release circular ring 112, and the other end of the second spring 115 is connected with the encryption cover 105, and a magnetic ring 116 is arranged on the release circular ring 112, the positioning square column 111 is provided with a first inclined angle 117 for avoiding the impact from above of the release circular ring 112 and the clamping circular block 110, and the release circular ring 112 is provided with a first circular angle 118 corresponding to the first inclined angle 117;

[0026] The lower part of the clamping circular block 110 is provided with a second inclined angle 119 matched with the first inclined angle 117;

[0027] The magnetic ring 116 is a magnetic ring 116 with axial distribution of magnetic poles.

[0028] In order to prevent the ball valve from being rotated by non-authorized personnel and prevent the valve ball 103 from being rotated under the impact of fluid, the locking device comprises four first locking holes 120 evenly arranged on the valve body 101, second locking holes 121 arranged on the encryption cover 105 corresponding to the first locking holes 120, locking magnetic blocks 122 arranged in the first locking holes 120 and the second locking holes 121, third springs 123 arranged in the first locking holes 120, one end of the third spring 123 abutting against the locking magnetic block 122 and the other end abutting against the bottom of the first locking hole 120.

[0029] In order to facilitate the user to install the ball valve in the water pipeline and install the valve ball 103, the telescopic sealing device comprises a first sealing ring 124 arranged between the valve body 101 and the valve ball 103, a valve cap 125 locked on the valve body 101, and a second sealing ring 126 arranged between the valve cap 125 and the valve ball 103. The valve cap 125 is provided with a telescopic device, which comprises a telescopic pipe 127 telescopically arranged on the valve cap 125 and a joint cap 128 rotatably arranged on the telescopic pipe 127. The valve cap 125 is provided with a pressing plate 129 through a positioning device, and the outer diameter of the pressing plate 129 is smaller than the inner diameter of the valve cap 125. The pressing plate 129 is provided with a check device.

[0030] In order to facilitate the installation of the pressing plate 129, the positioning device comprises a plurality of clamping plates 130 arranged on the side of the pressing plate 129, first and second limiting grooves 131 and 132 arranged on the valve cap 125, and first and second elastic clamping rings 133 and 134 arranged in the first and second limiting grooves 131 and 132 to prevent the pressing plate 129 from moving.

[0031] In order to enhance the functionality of the ball valve and prevent fluid from flowing backward, the check device comprises a sliding sleeve 135 arranged on the pressing plate 129, a check valve rod 136 telescopically arranged in the sliding sleeve 135, a check valve plate 137 arranged on the check valve rod 136 close to the valve, a sealing layer 138 arranged on the check valve plate 137, a check valve seat 139 arranged on the valve cap 125 for cooperation with the check valve plate 137, and a fourth spring 140 arranged on the check valve rod 136, one end of which abuts against the pressing plate 129 and the other end abuts against the check valve plate 137.

[0032] The sealing layer 138 is a rubber layer.

[0033] In order to facilitate the installation of the joint cap 128 and the telescopic pipe 127, a third limiting groove 141 is arranged on the end of the valve cap 125 away from the valve, and a third elastic clamping ring 142 is arranged in the third limiting groove 141. The telescopic pipe 127 is provided with a third limiting ring 143 engaged with the third elastic clamping ring 142.

[0034] The fourth limiting groove 144 is arranged on one end of the telescopic pipe 127 away from the valve, and a fourth elastic collar 145 is arranged in the fourth limiting groove 144.

[0035] Working principle: the valve is assembled as a whole first, and then the encryption cover 105 is covered; when the encryption cover 105 is covered, the clamping round block 110 on the mounting column 109 will abut against the positioning square column 111, thereby pushing the positioning square column 111 to move into the positioning square hole 113, and the moving space is avoided; when the clamping round block 110 removes the contact with the positioning square column 111, the positioning square column 111 is reset under the action of the first spring 114, thereby realizing the clamping of the clamping round block 110, so that the encryption cover 105 cannot be pulled out; then the valve is installed on the water conveying pipeline; when the length of the water conveying pipeline is not enough, the user can pull out the telescopic pipe 127 and connect the water conveying pipeline through the movable joint cap 128, which is quick and convenient.

[0036] Then the opening and closing key corresponding to the locking magnetic block 122 on the encryption cover 105 is clamped on the encryption cover 105, that is, the clamping of the locking magnetic block 122 is released, thereby driving the encryption cover 105 to rotate, thereby controlling the rotation of the valve rod 104, and finally realizing the control of the valve ball 103, and completing the opening and closing of the valve.

[0037] When the encryption cover 105 is damaged or the locking device fails, the user uses the strong magnetic block to control the magnetic ring 116, so that the magnetic ring 116 drives the unlocking annular ring 112 to move towards the positioning square column 111, so that the side surface of the unlocking annular ring 112 pushes the positioning square column 111, and the bottom abuts against the clamping round block 110; at this time, the user pulls up the encryption cover 105.

[0038] The basic principle and main features of the utility model and its advantages are shown and described above, and the person skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and descriptions are only to illustrate the principle of the utility model; without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the utility model claimed, and the scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A multi-functional integrated mechanical locking telescopic ball valve, comprising a valve body, a fluid passage formed on the valve body, a valve ball disposed within the valve body via a sealing telescopic device, and a valve stem rotatably disposed on a valve cover, wherein one end of the valve stem located within the valve body engages with the valve ball, characterized in that: The valve body is provided with an encryption cover through quick release clamping device, the upper end of the valve rod is hexagonal column, the inside of the encryption cover matches the upper end of the valve rod, and the encryption cover is provided with locking device between the valve body.

2. The multi-functional integrated mechanical lock-and-vent ball valve according to claim 1, wherein: The quick release clamping device comprises: a mounting hole opened on the valve rod, a mounting column arranged on the encryption cover, a clamping block arranged on the mounting column, at least two positioning square columns arranged on the inside of the mounting hole and used for clamping the clamping block through elastic device, and a release ring arranged on the mounting column and used for releasing the clamping of the positioning square column through magnetic force driving device.

3. The multi-functional integrated mechanical lock shutter telescopic ball valve according to claim 2, characterized in that: The elastic device comprises: a positioning square hole opened on the mounting hole, a first spring fixedly connected with the positioning square column at one end and fixedly connected with the bottom of the positioning square hole at the other end.

4. The multi-functional integrated mechanical shut-off expanding and contracting ball valve according to claim 3, characterized in that: The magnetic force driving device comprises: a second spring sleeved on the mounting column and connected with the release ring at one end and connected with the encryption cover at the other end, and a magnetic ring arranged on the release ring, the positioning square column is provided with a first inclined angle for avoiding the impact from top to bottom of the release ring and the clamping block, and the release ring is provided with a first round corner corresponding to the first inclined angle.

5. The multi-functional integrated mechanical shut-off expanding and contracting ball valve according to claim 1, characterized in that: The locking device comprises: four first locking holes evenly arranged on the valve body, second locking holes corresponding to the first locking holes and arranged on the encryption cover, locking magnetic blocks slidably arranged in the first locking holes and the second locking holes, and third springs arranged in the first locking holes, one end of the third spring abutting against the locking magnetic block and the other end abutting against the bottom of the first locking hole.

6. The multi-functional integrated mechanical shut-off expanding and contracting ball valve according to claim 1, characterized in that: The telescopic sealing device comprises: a first sealing ring arranged between the valve body and the valve ball, a valve cap locked on the valve body, and a second sealing ring arranged between the valve cap and the valve ball, and the valve cap is provided with a telescopic device.

7. The multi-functional integrated mechanical shut-off expanding and contracting ball valve according to claim 6, characterized in that: The telescopic device comprises: a telescopic pipe telescopically arranged on the valve cap, and a joint cap rotatably arranged on the telescopic pipe, the valve cap is provided with a pressing plate through a positioning device, and the outer diameter of the pressing plate is smaller than the inner diameter of the valve cap, and the pressing plate is provided with a check device.

8. The multi-functional integrated mechanical shut-off expanding and contracting ball valve according to claim 7, characterized in that: The positioning device comprises: a plurality of clamping plates arranged on the circumferential side of the pressing plate, first and second limiting grooves opened on the valve cap, and first and second elastic rings arranged in the first and second limiting grooves and used for preventing the pressing plate from moving.

9. The multi-functional integrated mechanical shut-off expanding and contracting ball valve according to claim 7, characterized in that: The check device comprises: a sliding sleeve arranged on the pressing plate, a check valve rod slidably arranged in the sliding sleeve, a check valve plate arranged on the check valve rod and close to the valve, a sealing layer arranged on the check valve plate, a check valve seat arranged on the valve cap and used for cooperating with the check valve plate, and a fourth spring sleeved on the check valve rod and abutting against the pressing plate at one end and abutting against the check valve plate at the other end.

10. The multi-functional integrated mechanical shut-off expanding and contracting ball valve according to claim 7, characterized in that: A third limiting groove is opened on the end of the valve cap away from the valve, a third elastic ring is arranged in the third limiting groove, and a third limiting ring table is arranged on the telescopic pipe and matched with the third elastic ring. A fourth limiting groove is opened on the end of the telescopic pipe away from the valve, a fourth elastic ring is arranged in the fourth limiting groove, and a fourth limiting ring table is arranged on the joint pipe and matched with the fourth elastic ring.

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