CN210830718U - Valve encryption mechanism and gate valve with same - Google Patents

Valve encryption mechanism and gate valve with same Download PDF

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Publication number
CN210830718U
CN210830718U CN201920796426.0U CN201920796426U CN210830718U CN 210830718 U CN210830718 U CN 210830718U CN 201920796426 U CN201920796426 U CN 201920796426U CN 210830718 U CN210830718 U CN 210830718U
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CN
China
Prior art keywords
valve
sleeve
lock
opening
lifting
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Withdrawn - After Issue
Application number
CN201920796426.0U
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Chinese (zh)
Inventor
江卜财
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Fujian Province Standard Valve Technology Co ltd
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Fujian Province Standard Valve Technology Co ltd
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Priority to CN201920796426.0U priority Critical patent/CN210830718U/en
Application granted granted Critical
Publication of CN210830718U publication Critical patent/CN210830718U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a valve encryption mechanism and a gate valve with the valve encryption mechanism, wherein the valve encryption mechanism has a reasonable structure and a magnetic locking function and can not be damaged by malicious opening, the encryption mechanism comprises an axial limiting lock cap, a lifting valve sleeve, an opening and closing lock sleeve and an opening lock key, the axial limiting lock cap is arranged on a valve cover of the valve and used for positioning the axial position of a valve rod, the lifting valve sleeve can be sleeved on the upper end part of the valve rod in an up-and-down lifting way, the bottom part of the lifting valve sleeve is provided with a square groove, the upper end part of the valve rod is provided with a square bulge matched with the square groove, the lock sleeve is sleeved on the outer side of the lifting valve sleeve, the bottom part of the lock sleeve is provided with an opening and closing square groove, the outer side of the lifting valve sleeve is matched with the opening and closing square groove, an elastic part is arranged between the lifting valve sleeve and the lock sleeve, the upper part of the protective outer sleeve extends out of the upper part of the lock sleeve, and an idle structure is arranged between the protective outer sleeve and the lock sleeve.

Description

Valve encryption mechanism and gate valve with same
Technical Field
The utility model relates to a fluid valve's control unit, in particular to valve encryption mechanism and be equipped with this valve encryption mechanism's gate valve.
Background
The valve is a control part in a fluid conveying system, and is a device for controlling the direction, pressure and flow of fluid in the fluid system. Generally, in order to achieve the purpose of managing the opening and closing of a valve by a specially-assigned person, limit the illegal opening and closing of other people, facilitate the management of public utilities and community properties, and enable the allocation and the transportation of energy to be planned, a magnetic encryption mechanism controlled by an opening device is detachably sleeved on a valve cover of the valve.
As shown in fig. 1, a conventional magnetic locking valve includes a valve body 1', a valve cover 2', an opening and closing member 4', a valve rod 5' and an opening key 6', the valve cover 2' is disposed above the valve body 1', a fluid channel penetrating a medium is disposed along an axial portion of the valve body 1', the fluid channel has a water inlet 11 'and a water outlet 12', the opening and closing member 4 'is disposed in the valve body 1' and capable of ascending and descending between the water inlet 11 'and the water outlet 12', one end of the valve rod 5 'passes through the valve cover 2' and is in threaded connection with the opening and closing member 4', a magnetic encryption mechanism for limiting the rotation of the valve rod 5' is further disposed on the valve cover 2', an unlocking mechanism for unlocking the magnetic encryption mechanism is disposed on the opening key 6', the magnetic encryption mechanism includes an upper valve cover 3', the upper valve cover 3' is sleeved above the valve cover 2 'and is fixedly connected with a free end of the valve rod 5' by a pin, an upper lock hole 31' and a lower lock hole 21' which are arranged correspondingly to each other are formed in the end face wall body between the upper valve cover 3' and the lower valve cover 2', a lower magnetic steel 7' is arranged between the upper lock hole 31' and the lower lock hole 21', a return spring 8' is further arranged below the lower magnetic steel 7' in the lower lock hole 21', the unlocking mechanism is an upper magnetic steel 61' which is arranged on an opening key 6' and corresponds to the lower magnetic steel 7', the polarities of one ends of the upper magnetic steel 61' and the lower magnetic steel 7' which correspond to each other are the same, the magnetic locking valve can ensure that a specially-assigned person manages opening and closing and limits other persons from illegally opening, when the valve needs to be opened, the opening key which is carried with the person is sleeved above the valve cover, because the magnetic poles of the upper magnetic steel in the opening key and the lower magnetic steel between the upper valve cover and the lower valve cover are homopolar, under the repulsive force generated by the lower magnetic steel on the valve cover spring, the lower magnetic steel, the upper valve cover can rotate along with the rotation of the opening key, and then the valve rod is driven to rotate to realize the opening and closing of the valve body, when the opening key does not work and is folded, the lower magnetic steel between the upper valve cover and the lower valve cover clamps the upper valve cover on the lower valve cover, so that the upper valve cover cannot rotate along with other opening tools, the magnetic locking mode is simple and convenient, but the common opening tool at the top of the upper valve cover can be clamped, when the opening key does not work and is folded, some lawless persons can mistakenly consider that the magnetic locking valve is a common valve without magnetism, the valve can be rotated by the common opening tool, when the valve is illegally opened, the upper valve cover is fixed on the lower valve cover, cannot rotate along with the common opening tool, and is easy to be damaged due to malicious opening, so the phenomenon that the magnetic locking valve in a pipeline is maliciously damaged often occurs, inconvenience is brought to the maintenance work of the magnetic locking valve, and the service life of the valve is shortened.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides a can not be because of maliciously opening the damage when rational in infrastructure, having magnetism locking function, the security is high, long service life, maintain convenient valve encryption mechanism and be equipped with this valve encryption mechanism's gate valve.
In order to solve the technical problem, the utility model discloses take following scheme: the valve encryption mechanism is arranged on the upper part of a valve cover of the valve and used for limiting the rotation of a valve rod so as to control the opening and closing of an opening and closing valve core, the encryption mechanism comprises an axial limiting lock cap, a lifting valve sleeve, an opening and closing lock sleeve and an opening lock key, the axial limiting lock cap is arranged on the valve cover of the valve and used for positioning the axial position of the valve rod, the lifting valve sleeve can be sleeved on the upper end part of the valve rod in an up-and-down lifting mode, a square groove is formed in the bottom of the lifting valve sleeve, a square protrusion matched with the square groove is formed in the upper end part of the valve rod, the lock sleeve is sleeved on the outer side of the lifting valve sleeve, an opening and closing square groove is formed in the bottom of the lock sleeve, the outer side of the lifting valve sleeve is matched with the opening and closing square groove, an elastic piece is arranged between the lifting valve sleeve and the lock sleeve, the opening, the outside of lock tube still is equipped with the protective coat, be equipped with idle running structure between protective coat and the lock tube.
The further improvement is that: the magnetic locking structure is as follows: an upper magnetic steel is arranged at the bottom of the opening key, and a lower magnetic steel with a magnetic pole opposite to that of the upper magnetic steel is arranged at the position, corresponding to the upper magnetic steel, of the upper part of the lifting valve sleeve.
The further improvement is that: the magnetic locking structure is as follows: the bottom of the unlocking key is provided with a powerful magnet, and the lifting valve sleeve is a metal valve sleeve.
The further improvement is that: the radial positioning device is: the lower part of the unlocking key is provided with a second square groove, and the upper part of the lock sleeve is provided with a second square bulge matched with the second square groove in structure.
The further improvement is that: the upper part of the second square bulge on the upper part of the lock sleeve is also provided with a circular bulge with the diameter smaller than or equal to the outer diameter of the second square bulge, and the bottom of the unlocking key is provided with a circular groove matched with the circular bulge.
The further improvement is that: the idle rotation structure is as follows: and a ball is arranged between the protective outer sleeve and the lock sleeve.
Based on the same conception, the utility model also provides a gate valve with the valve encryption mechanism in the above claims 1-5, which comprises a valve body, a valve cover, a flashboard open/close valve core and a valve rod, wherein the valve cover is arranged above the valve body, the valve body is provided with a water inlet and a water outlet along the axial part, the flashboard open/close valve core can be arranged between the water inlet and the water outlet in an up-and-down lifting way, one end of the valve rod passes through the valve cover to be connected with the flashboard open/close valve core, the upper part of the valve cover is also provided with an axial limiting lock cap, a lifting valve sleeve, an open/close lock sleeve and an open lock key, the axial limiting lock cap is arranged on the upper opening of the valve cover and used for positioning the axial position of the valve rod, the lifting valve sleeve can be arranged at the upper end part of the valve rod in an up-, the improved lifting valve comprises a valve rod, a lifting valve sleeve, a lock key, a radial positioning device, a magnetic locking structure, a protective outer sleeve and an idling structure, wherein a square protrusion matched with a square groove is arranged at the upper end of the valve rod, the lock sleeve is sleeved on the outer side of the lifting valve sleeve, an opening and closing square groove is arranged at the bottom of the lock sleeve, the outer side of the lifting valve sleeve is matched with the opening and closing square groove, an elastic piece is arranged between the lifting valve sleeve and the lock sleeve, the opening lock key is arranged above the lock sleeve, the radial positioning device is arranged between the opening lock key and the lock sleeve, the magnetic locking structure is arranged between the opening lock key and.
The further improvement is that: the magnetic locking structure is as follows: the bottom of the unlocking key is provided with a powerful magnet, and the lifting valve sleeve is a metal valve sleeve.
The further improvement is that: the radial positioning device is: the lower part of the unlocking key is provided with a second square groove, and the upper part of the lock sleeve is provided with a second square bulge matched with the second square groove in structure.
The further improvement is that: the idle rotation structure is as follows: and a ball is arranged between the protective outer sleeve and the lock sleeve.
By adopting the technical scheme, the beneficial effects of the utility model are that: when the valve needs to be opened, the portable opening key is sleeved above the lock sleeve, the upper magnetic steel in the opening key and the lower magnetic steel on the upper end face wall of the lock sleeve lifting valve sleeve are opposite in magnetic pole, under the action of opposite attraction of magnetic poles, the lifting valve sleeve overcomes the pressure of the elastic piece to move upwards, the upper portion of the lifting valve sleeve is clamped in the square groove in the lower portion of the lock sleeve, the lifting valve sleeve can rotate along with the rotation of the opening key, the valve rod of the valve is driven to rotate, and the function of opening or closing the valve opening and closing piece is achieved.
When the key is opened and the key does not work to be retracted, the lifting valve sleeve is reset above the axial limiting lock cap due to the action of the elastic piece, the upper end part of the lifting valve sleeve is not in contact with the square groove at the lower part of the lock sleeve, so that the lock sleeve can rotate along with a common opening tool to do idle motion between the protective outer sleeve and the lifting valve sleeve, the valve is protected, the valve cannot be damaged due to malicious opening, the use safety of the magnetic valve is ensured to a certain extent, the phenomenon that the magnetic valve is maliciously damaged in a pipeline is reduced, convenience is brought to the maintenance work of the magnetic valve, and the service life of the magnetic valve is prolonged.
The upper part of the protective outer sleeve extends out of the upper part of the lock sleeve, so that a common opening tool cannot extend into the lock sleeve to rotate the glove, and the use safety of the lock sleeve is further protected. Furthermore, the upper part of the lock sleeve is provided with a circular bulge, and a common opening tool of the circular bulge is not easy to clamp, so that the phenomenon that the valve is maliciously damaged is further prevented.
Drawings
Fig. 1 is a schematic diagram of a prior art magnetic latching valve.
Fig. 2 is a schematic structural diagram of an embodiment of the present invention.
Fig. 3 is a schematic diagram of the structure explosion structure of the embodiment of the present invention.
Fig. 4 is a schematic structural view of the embodiment of the present invention installed on the gate valve.
Detailed Description
The present invention will now be further described with reference to the accompanying drawings and specific embodiments.
Referring to fig. 2 and 4, an embodiment of the present invention discloses a gate valve of a valve encryption mechanism, including a valve body 1, a valve cover 2, a gate open/close valve element 3, and a valve rod 4, wherein the valve cover 2 is disposed above the valve body 1, the valve body 1 is provided with a water inlet 11 and a water outlet 12 along an axial portion, the gate open/close valve element 3 is disposed between the water inlet 11 and the water outlet 12 and can be lifted up and down, one end of the valve rod 4 passes through the valve cover 2 to be connected with the gate open/close valve element 3, the upper portion of the valve cover 2 is further provided with a lock key 6 for limiting the rotation of the valve rod to control the opening and closing of the gate open/close valve element, the encryption mechanism includes an axial limiting lock cap 51, a lifting valve sleeve 52, an opening/closing lock sleeve 53 and an opening/closing lock key 6, the axial limiting lock cap 51 is disposed on an upper opening of the, the bottom of the lifting valve sleeve 52 is provided with a square groove 521, the upper end of the valve rod 4 is provided with a square protrusion 41 matched with the square groove, the lock sleeve 53 is sleeved outside the lifting valve sleeve 52, the bottom of the lock sleeve 53 is provided with an opening and closing square groove 531, the outer side a' of the lifting valve sleeve 52 is matched with the opening and closing square groove 531, an elastic part 7 is arranged between the lifting valve sleeve 52 and the lock sleeve 53, the opening key 6 is arranged above the lock sleeve 53, and a radial positioning device is arranged between the opening key 6 and the lock sleeve 53, wherein the radial positioning device is: the lower part of the unlocking key 6 is provided with a second square groove 61, and the upper part of the lock sleeve 53 is provided with a second square bulge 532 matched with the second square groove 61 in structure.
An upper magnetic steel (not shown in the figure) is arranged at the bottom of the opening key 6, and a lower magnetic steel (not shown in the figure) with a magnetic pole opposite to that of the upper magnetic steel is arranged at the position, corresponding to the upper magnetic steel, of the upper part of the lifting valve sleeve 52. The outside of lock sleeve still is equipped with protective outer cover 8, be equipped with ball 8 between protective outer cover 8 and the lock sleeve 53.
The upper part of the second square protrusion 532 on the upper part of the lock sleeve 53 is also provided with a circular protrusion 533 with the diameter smaller than or equal to the outer diameter of the second square protrusion, and the bottom of the unlocking key 6 is provided with a circular groove matched with the circular protrusion.
By adopting the technical scheme, the beneficial effects of the utility model are that: when the valve needs to be opened, the portable opening key is sleeved above the lock sleeve, the upper magnetic steel in the opening key and the lower magnetic steel on the upper end face wall of the lock sleeve lifting valve sleeve are opposite in magnetic pole, under the action of opposite attraction of magnetic poles, the lifting valve sleeve overcomes the pressure of the elastic piece to move upwards, the upper portion of the lifting valve sleeve is clamped in the square groove in the lower portion of the lock sleeve, the lifting valve sleeve can rotate along with the rotation of the opening key, the valve rod of the valve is driven to rotate, and the function of opening or closing the valve opening and closing piece is achieved.
When the key is opened and the key does not work to be retracted, the lifting valve sleeve is reset above the axial limiting lock cap due to the action of the elastic piece, the upper end part of the lifting valve sleeve is not in contact with the square groove at the lower part of the lock sleeve, so that the lock sleeve can rotate along with a common opening tool to do idle motion between the protective outer sleeve and the lifting valve sleeve, the valve is protected, the valve cannot be damaged due to malicious opening, the use safety of the magnetic valve is ensured to a certain extent, the phenomenon that the magnetic valve is maliciously damaged in a pipeline is reduced, convenience is brought to the maintenance work of the magnetic valve, and the service life of the magnetic valve is prolonged.
The upper part of the protective outer sleeve extends out of the upper part of the lock sleeve, so that a common opening tool cannot extend into the lock sleeve to rotate the glove, and the use safety of the lock sleeve is further protected. Furthermore, the upper part of the lock sleeve is provided with a circular bulge, and a common opening tool of the circular bulge is not easy to clamp, so that the phenomenon that the valve is maliciously damaged is further prevented.
Based on the technical scheme, the magnetic locking structure can also be as follows: open the bottom of key and be equipped with powerful magnet, the lift valve barrel is the metal valve barrel, square groove and the square groove of second can be quadrilateral groove or pentagon or hexagonal groove, can realize equally the utility model discloses a purpose.
The above description is only an embodiment utilizing the technical content of the present disclosure, and any modification and variation made by those skilled in the art can be covered by the claims of the present disclosure, and not limited to the embodiments disclosed.

Claims (10)

1. Valve encryption mechanism, its valve gap upper portion of locating the valve is used for limiting the rotation of valve rod in order to control opening and closing of opening and close case, its characterized in that: the encryption mechanism comprises an axial limiting lock cap, a lifting valve sleeve, an opening and closing lock sleeve and an opening lock key, wherein the axial limiting lock cap is arranged on a valve cover of the valve and used for positioning the axial position of a valve rod, the lifting valve sleeve can be sleeved at the upper end part of the valve rod in an up-and-down lifting mode, a square groove is formed in the bottom of the lifting valve sleeve, a square protrusion matched with the square groove is arranged at the upper end part of the valve rod, the lock sleeve is sleeved at the outer side of the lifting valve sleeve, an opening and closing square groove is formed in the bottom of the lock sleeve, the outer side of the lifting valve sleeve is matched with the opening and closing square groove, an elastic part is arranged between the lifting valve sleeve and the lock sleeve, the opening lock key is arranged above the lock sleeve, a radial positioning device is arranged between the opening lock key and the lock sleeve, a magnetic locking structure is arranged between the opening lock key and the, an idle structure is arranged between the protective outer sleeve and the lock sleeve.
2. The valve encryption mechanism of claim 1, wherein: the magnetic locking structure is as follows: an upper magnetic steel is arranged at the bottom of the opening key, and a lower magnetic steel with a magnetic pole opposite to that of the upper magnetic steel is arranged at the position, corresponding to the upper magnetic steel, of the upper part of the lifting valve sleeve.
3. The valve encryption mechanism of claim 1, wherein: the magnetic locking structure is as follows: the bottom of the unlocking key is provided with a powerful magnet, and the lifting valve sleeve is a metal valve sleeve.
4. The valve encryption mechanism of claim 1, wherein: the radial positioning device is: the lower part of the unlocking key is provided with a second square groove, and the upper part of the lock sleeve is provided with a second square bulge matched with the second square groove in structure.
5. The valve encryption mechanism of claim 4, wherein: the upper part of the second square bulge on the upper part of the lock sleeve is also provided with a circular bulge with the diameter smaller than or equal to the outer diameter of the second square bulge, and the bottom of the unlocking key is provided with a circular groove matched with the circular bulge.
6. The valve encryption mechanism of claim 1, wherein: the idle rotation structure is as follows: and a ball is arranged between the protective outer sleeve and the lock sleeve.
7. A gate valve with the valve encryption mechanism of any one of the preceding claims 1 to 5, comprising a valve body, a valve cover, a gate plate open/close valve element, and a valve rod, wherein the valve cover is arranged above the valve body, the valve body is provided with a water inlet and a water outlet along the axial portion, the gate plate open/close valve element is arranged between the water inlet and the water outlet and can be lifted up and down, one end of the valve rod passes through the valve cover to be connected with the gate plate open/close valve element, the upper portion of the valve cover is further provided with a device for limiting the rotation of the valve rod to control the opening and closing of the gate: the encryption mechanism comprises an axial limiting lock cap, a lifting valve sleeve, an opening and closing lock sleeve and an opening lock key, the axial limiting lock cap is arranged on an upper opening of the valve cover and used for positioning the axial position of the valve rod, the lifting valve sleeve can be vertically lifted and sleeved at the upper end part of the valve rod, the bottom of the lifting valve sleeve is provided with a square groove, the upper end part of the valve rod is provided with a square bulge matched with the square groove, the lock sleeve is sleeved outside the lifting valve sleeve, the bottom of the lock sleeve is provided with an opening and closing square groove, the outer side of the lifting valve sleeve is matched with the opening and closing square groove, an elastic piece is arranged between the lifting valve sleeve and the lock sleeve, the unlocking key is arranged above the lock sleeve, a radial positioning device is arranged between the unlocking key and the lock sleeve, a magnetic locking structure is arranged between the unlocking key and the lifting valve sleeve, a protective outer sleeve is further arranged on the outer side of the lock sleeve, and an idling structure is arranged between the protective outer sleeve and the lock sleeve.
8. The gate valve with valve encryption mechanism of claim 7, wherein: the magnetic locking structure is as follows: the bottom of the unlocking key is provided with a powerful magnet, and the lifting valve sleeve is a metal valve sleeve.
9. The gate valve with valve encryption mechanism of claim 7, wherein: the radial positioning device is: the lower part of the unlocking key is provided with a second square groove, and the upper part of the lock sleeve is provided with a second square bulge matched with the second square groove in structure.
10. The gate valve with valve encryption mechanism of claim 7, wherein: the idle rotation structure is as follows: and a ball is arranged between the protective outer sleeve and the lock sleeve.
CN201920796426.0U 2019-05-30 2019-05-30 Valve encryption mechanism and gate valve with same Withdrawn - After Issue CN210830718U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920796426.0U CN210830718U (en) 2019-05-30 2019-05-30 Valve encryption mechanism and gate valve with same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920796426.0U CN210830718U (en) 2019-05-30 2019-05-30 Valve encryption mechanism and gate valve with same

Publications (1)

Publication Number Publication Date
CN210830718U true CN210830718U (en) 2020-06-23

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920796426.0U Withdrawn - After Issue CN210830718U (en) 2019-05-30 2019-05-30 Valve encryption mechanism and gate valve with same

Country Status (1)

Country Link
CN (1) CN210830718U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110094574A (en) * 2019-05-30 2019-08-06 福建省川标阀业科技有限公司 Valve Sealing mechanism and gate valve equipped with the valve Sealing mechanism

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110094574A (en) * 2019-05-30 2019-08-06 福建省川标阀业科技有限公司 Valve Sealing mechanism and gate valve equipped with the valve Sealing mechanism
CN110094574B (en) * 2019-05-30 2024-08-30 福建省川标阀业科技有限公司 Valve encryption mechanism and gate valve with same

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AV01 Patent right actively abandoned
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Granted publication date: 20200623

Effective date of abandoning: 20240830

AV01 Patent right actively abandoned

Granted publication date: 20200623

Effective date of abandoning: 20240830