CN211779324U

CN211779324U - Built-in locking valve

Info

Publication number: CN211779324U
Application number: CN201922334871.8U
Authority: CN
Inventors: 杜剑兵
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2020-10-27
Anticipated expiration: 2029-12-23

Abstract

The utility model discloses an interior mounting type locking valve relates to valve technical field, and its technical scheme main points are: including the valve body with set up in the connector of valve body lateral wall, be provided with the locking device who is used for the shutoff connector in the connector, be provided with the spacing ring in the connector, when locking device leans on with the spacing ring counterbalance, locking device can't take out in the connector, the lock valve is still including being used for the unlocking piece that takes out locking device from the connector, the utility model discloses in placing the connector in the locking device in, only can utilize specific unlocking piece just can the unblock, can prevent effectively that locking device from being destroyed by external force, and simple structure, convenient operation, also easily manufacturing simultaneously.

Description

Built-in locking valve

Technical Field

The utility model relates to the technical field of valves, in particular to built-in locking valve.

Background

The valve is a pipeline accessory used for opening and closing a pipeline, controlling the flow direction, and adjusting and controlling the temperature, pressure and flow of a conveyed medium, is widely applied to a tap water pipeline, a heating pipeline or a gas pipeline, is mostly installed outdoors, and can control the on-off of the medium in the pipeline according to the requirement of a user so as not to be opened and closed by other people, so that technical personnel in the field invent the locking valve with the locking device.

At present, in the field of locking valves, most locking devices directly fix a valve rod and a valve body outer sleeve to realize valve body locking, and a locking device is damaged by a tool which is easy to be utilized by a non-releasing person, so that the locking device is damaged, and the locking function is invalid.

SUMMERY OF THE UTILITY MODEL

To the deficiency that prior art exists, the utility model aims to provide an interior mounting type locking valve, it has the advantage that possesses protect function to locking device.

The above technical purpose of the present invention can be achieved by the following technical solutions: the locking device comprises a valve body and a connecting port arranged on the side wall of the valve body, the connecting port is internally provided with a locking device for plugging the connecting port, the locking device comprises a lock body and a lock sleeve, the upper end surface of the lock sleeve is provided with a placing groove, the groove surface of the placing groove is provided with a through hole along the vertical direction, a first spring is coaxially arranged in the through hole, the lock body is connected with the placing groove in a sliding manner and is coaxially arranged with the first spring, two sides of the lower end of the lock sleeve are provided with placing holes, steel balls are arranged in the placing holes, the outer side of the lock sleeve is sleeved with a sleeve body, the side wall of the sleeve body is provided with a limiting hole, the limiting hole is coaxially arranged with the placing hole, the side wall of the lower end of the lock body is provided with an inclined plane for extruding the steel balls out of the placing holes, a limiting ring, the locking valve also comprises an unlocking piece used for taking the lock body and the lock sleeve out of the connecting port.

According to the technical scheme, the locking device for plugging the connecting port is installed in the connecting port of the locking valve, the lock body connected in the placing groove in a sliding mode moves downwards by means of external force pressing, the steel balls in the placing hole are extruded outwards by the inclined plane at the lower end of the lock body, the steel balls abut against the limiting hole through the placing hole, only one part of the steel balls can pass through the limiting hole and cannot pass through the limiting hole completely, at the moment, the diameter of the cross section of the locking device in the horizontal direction is larger than the inner diameter of the limiting ring, the steel balls abut against the end face of the limiting ring, the locking device cannot pass through the limiting ring and cannot be taken out of the connecting port, and at; under the action of the first spring, the lock body moves upwards, the steel balls retract inwards, at the moment, the diameter of the cross section of the locking device in the horizontal direction is smaller than the inner diameter of the limiting ring, the locking device can normally pass through the limiting ring, the locking device can be taken out from the connecting port, and at the moment, the locking valve is in an open state; the locking device is placed in the connecting port, is not easy to damage, can be opened only through a special unlocking piece, and has a protection function on the locking device.

Preferably, the holding tank has been seted up to the lock body both sides, the holding tank internal fixation is provided with spring two, spring two is kept away from holding tank bottom surface one end and is fixedly provided with magnet one, just magnet one with spring two coaxial settings, the standing groove inner wall corresponds holding tank department has seted up spacing groove one, works as the holding tank with spacing groove position is relative, magnet one is along two central axis direction movements of spring and right the lock body axial is spacing.

Through above-mentioned technical scheme, when the lock body downstream under the effect of external force, and holding tank and spacing groove position when relative, two spring promotion magnets in the holding tank move spacing groove one earlier on, magnet one this moment, spring two, spacing groove one, holding tank cooperate and carry out the axial spacingly to the lock body, and the vertical ascending power that spring one gave just can't promote the lock body upward movement, and at this moment, the lock valve just can be stably in the locking state.

Preferably, the lock body side wall extends to be provided with a protrusion, a second limiting groove is formed in the inner wall of the placing groove, and the protrusion and the second limiting groove are matched to limit the lock body in the axial direction.

Through above-mentioned technical scheme, lock body upward movement, when bellied up end leaned on with the capping counterbalance of spacing groove two, the lock body stopped upward movement, also can't take out the lock body through external force, prevented that the lock body from being taken away and leading to the locking function to damage, the holistic stability of device.

Preferably, the lock body side wall extends to form a first positioning block, the placing groove side wall is provided with a first positioning groove, and the first positioning block is matched with the first positioning groove to circumferentially limit the lock body.

Through the technical scheme, the lock body is circumferentially fixed relative to the lock sleeve through the matching of the first positioning block and the first positioning groove, and the stability of the locking device is improved.

Preferably, the unlocking piece comprises a circular ring block, a positioning hole is formed in the side wall of the circular ring block along the radial direction, the positioning hole and the first magnet are coaxially arranged, a second magnet is arranged in the positioning hole, and the magnetism of the first magnet is the same as that of the second magnet.

Through above-mentioned technical scheme, through with the ring piece cover on the lock sleeve, utilize magnet one and the principle that two homopolarities of magnet repel each other, promote magnet one and spring two to the holding tank in, it is the spacing disappearance of axial of lock body, the lock body can be in upward movement under the effect of spring one to make the steel ball internal motion mutually, the spacing ring can't constitute spacingly to stop device, stop device can follow the connector and take out, the lock valve is in the open mode this moment.

Preferably, a second positioning block is formed by extending the side wall of the upper end of the lock sleeve, a second positioning groove is formed in the inner wall of the circular ring block, and the second positioning block is matched with the second positioning groove to limit the circumferential direction of the circular ring block.

Through the technical scheme, the convenience of a user can determine the placement position of the horizontal direction of the circular ring block through the corresponding relation between the second positioning block and the second positioning groove, and meanwhile, the circumferential movement of the circular ring block is limited, so that the first magnet and the second magnet are relatively stable, and the locking valve is opened more conveniently.

Preferably, the upper end of the circular ring block extends towards the center to form a retaining shoulder, and the lower end face of the retaining shoulder is attached to the upper end face of the lock sleeve.

Through above-mentioned technical scheme, restricted the position of the vertical direction of ring piece through keeping off the shoulder, the convenience of customers confirms the position of the vertical direction of ring piece, and it is more convenient to open the lock valve.

To sum up, the utility model discloses the beneficial effect who contrasts in prior art does:

1. protecting the locking device from being damaged;

2. the operation is convenient;

3. the structure is simple.

Drawings

FIG. 1 is a sectional view of the embodiment;

FIG. 2 is an exploded view of the embodiment;

FIG. 3 is an exploded view of the unlocking member of the embodiment;

FIG. 4 is another cross-sectional view of the embodiment;

figure 5 is an exploded view of the lock body and sleeve of the embodiment.

Reference numerals: 1. a valve body; 2. a connecting port; 3. a locking device; 31. a lock body; 32. a lock sleeve; 4. a placement groove; 5. A first spring; 6. placing holes; 7. steel balls; 8. a bevel; 9. unlocking the lock; 91. a circular ring block; 92. positioning holes; 93. a second magnet; 94. a shoulder block; 10. a limiting ring; 11. accommodating grooves; 12. a second spring; 13. a magnet I; 14. a first limiting groove; 15. A sleeve body; 16. a limiting hole; 17. a protrusion; 18. a second limiting groove; 19. a first positioning block; 20. positioning a first groove; 21. a second positioning block; 22. positioning a second groove; 24. a groove; 25. and a through hole.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

An internal-mounted locking valve is shown in fig. 1 to 5, and comprises a valve body 1 and a connecting port 2 arranged on the side wall of the valve body 1, wherein the connecting port 2 is communicated with the valve body 1, a locking device 3 for plugging the connecting port 2 is arranged in the connecting port 2, the locking device 3 can be stably matched with the connecting port 2, the locking device 3 comprises a lock body 31 and a lock sleeve 32, the upper end surface of the lock sleeve 32 is provided with a placing groove 4, the bottom of the placing groove 4 is provided with a through hole 25 along the vertical direction, a spring I5 is coaxially arranged in the through hole 25, the lock body 31 is connected to the placing groove 4 in a sliding manner and is coaxially arranged with the spring I5, when the upper end surface of the lock body 31 and the upper end surface of the lock sleeve 32 are in the same horizontal plane, the spring I5 is in a compression state, and when the upper;

the lower extreme of lock sleeve 32 is to centre of a circle direction circumference indentation fluted 24, the recess 24 both sides of lock sleeve 32 lower extreme have been seted up and have been placed hole 6, be provided with steel ball 7 in placing hole 6, the diameter of steel ball 7 is less than the diameter of placing hole 6, the recess 24 cover of lock sleeve 32 lower extreme is equipped with cover body 15, the inner wall of cover body 15 closely pastes with the groove face of recess 24 and leans on, spacing hole 16 has been seted up to the cover body 15 lateral wall, the diameter of spacing hole 16 is less than the diameter of steel ball 7, steel ball 7 only can partly pass through spacing hole 16, spacing hole 16 with place hole 6 coaxial setting, the lateral wall of lock body 31 lower extreme is provided with inclined plane 8, inclined plane 8 is.

A limiting ring 10 is arranged in the connecting port 2, when the steel ball 7 is extruded by the inclined surface 8 to move outwards, a part of the steel ball 7 passes through the limiting hole 16 and abuts against the limiting ring 10 to axially limit the lock body 31 and the lock sleeve 32.

The side wall of the lock body 31 is provided with a protrusion 17 in an extending manner, the inner wall of the placing groove 4 is provided with a second limiting groove 18, and when the upper end surface of the protrusion 17 abuts against the groove surface of the second limiting groove 18, the protrusion 17 and the second limiting groove 18 are matched to axially limit the lock body 31; holding tank 11 has been seted up to lock body 31 both sides, holding tank 11 internal fixation is provided with spring two 12, spring two 12 is kept away from holding tank 11 bottom surface one end and is fixed and be provided with magnet one 13, and magnet one 13 and spring two 12 coaxial settings and fixed connection, holding tank 4 inner wall corresponds holding tank 11 department and has seted up spacing groove one 14, holding tank 11 and the coaxial setting of spacing groove one 14, when lock body 31 makes holding tank 11 opposite with spacing groove one 14 positions along vertical direction motion, the elastic potential energy of spring two 12 promotes magnet one 13 and moves and spacing to lock body 31 axial along spring two 12 the central axis direction.

The side wall of the lock body 31 extends to form a first positioning block 19, the side wall of the placing groove 4 is provided with a first positioning groove 20, and the first positioning block 19 can be embedded into the first positioning groove 20 and matched with the first positioning groove 20 to circumferentially limit the lock body 31.

The locking valve further comprises an unlocking piece 9 used for taking the lock body 31 and the lock sleeve 32 out of the connecting port 2, the unlocking piece 9 comprises a circular ring piece 91, a positioning hole 92 is formed in the side wall of the circular ring piece 91 in the radial direction, the positioning hole 92 and the first magnet 13 are coaxially arranged, a second magnet 93 is arranged in the positioning hole 92, the first magnet 13 and the second magnet 93 are same in magnetism, the magnetic strength of the second magnet 93 is larger than that of the first magnet 13, and the second magnet 12 can be pushed to be compressed towards the bottom of the accommodating groove 11.

The lateral wall of lock sleeve 32 upper end extends and is formed with locating piece two 21, and ring piece 91 inner wall has seted up constant head tank two 22, and locating piece two 21 can imbed constant head tank two 22 and both cooperate and spacing to ring piece 91 circumference, and ring piece 91 upper end extends to the center and is formed with fender shoulder 94, and fender shoulder 94 lower extreme face leans on with lock sleeve 32 up end mutually, keeps off shoulder 94 and lock sleeve 32 and cooperatees and spacing to ring piece 91 axial.

The working mode of the built-in locking valve is as follows:

the locking device 3 is placed in the connecting port 2, the lock body 31 vertically moves downwards by pressing the lock body 31, the inclined surface 8 at the lower end of the lock body 31 extrudes the steel balls 7 to move outwards, and then the steel balls 7 cannot completely pass through the limiting holes 16 on the sleeve body 15, at the moment, the locking device 3 cannot be taken out of the connecting port 2 because the steel balls 7 abut against the limiting rings 10, at the moment, the locking valve is closed, and a medium cannot pass through the connecting port 2; when the annular block is sleeved outside the lock sleeve 32, the central axes of the first magnet 13 and the second magnet 93 are aligned, the second magnet 93 and the first magnet 13 repel each other, the second magnet 93 pushes the first magnet 13 to horizontally move towards the accommodating groove 11, the second spring 12 is compressed, the lock body 31 is pressed at the moment, the lock body 31 is pushed to move upwards by the vertical upward force generated by resetting the first spring 5, meanwhile, the steel ball 7 moves inwards, the steel ball 7 cannot abut against the limiting ring 10, the locking device 3 can be taken out from the connecting port 2, the locking valve is in an open state at the moment, and a medium can pass through the connecting port 2.

The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention, which is defined by the appended claims.

Claims

1. The utility model provides an interior mounting lock valve, includes valve body (1) and sets up in connector (2) of valve body (1) lateral wall, characterized by: a locking device (3) used for plugging the connecting port (2) is arranged in the connecting port (2), the locking device (3) comprises a lock body (31) and a lock sleeve (32), a placing groove (4) is formed in the upper end face of the lock sleeve (32), a through hole (25) is formed in the groove face of the placing groove (4) along the vertical direction, a first spring (5) is coaxially arranged in the through hole (25), the lock body (31) is connected to the placing groove (4) in a sliding mode and coaxially arranged with the first spring (5), placing holes (6) are formed in two sides of the lower end of the lock sleeve (32), steel balls (7) are arranged in the placing holes (6), a sleeve body (15) is sleeved on the outer side of the lock sleeve (32), a limiting hole (16) is formed in the side wall of the sleeve body (15), the limiting hole (16) and the placing hole (6) are coaxially arranged, and an inclined plane (8) is arranged on the, inclined plane (8) are used for with steel ball (7) extrusion release place hole (6), be provided with spacing ring (10) in connector (2), work as steel ball (7) with spacing ring (10) are right when propping up the lock body (31) with lock sleeve (32) axial is spacing, the lock valve still including be used for with lock body (31) with lock sleeve (32) are followed unlocking piece (9) of taking out in connector (2).

2. The built-in locking valve as claimed in claim 1, wherein: holding tank (11) have been seted up to lock body (31) both sides, holding tank (11) internal fixation is provided with spring two (12), holding tank (11) bottom surface one end is kept away from to spring two (12) is fixed and is provided with magnet one (13), just magnet one (13) with spring two (12) coaxial arrangement, standing groove (4) inner wall corresponds holding tank (11) department has seted up spacing groove one (14), works as holding tank (11) with spacing groove one (14) position is relative time, magnet one (13) are followed the motion of spring two (12) the central axis direction and are right lock body (31) axial is spacing.

3. The built-in locking valve as claimed in claim 1, wherein: the lock body (31) side wall extends to be provided with a bulge (17), a second limiting groove (18) is formed in the inner wall of the placing groove (4), and the bulge (17) is matched with the second limiting groove (18) to axially limit the lock body (31).

4. The built-in locking valve as claimed in claim 1, wherein: the lock body (31) side wall extends to form a first positioning block (19), the side wall of the placing groove (4) is provided with a first positioning groove (20), and the first positioning block (19) and the first positioning groove (20) are matched to limit the lock body (31) in the circumferential direction.

5. The built-in locking valve as claimed in claim 2, wherein: the unlocking piece (9) comprises a circular ring block (91), a positioning hole (92) is formed in the side wall of the circular ring block (91) along the radial direction, the positioning hole (92) and the first magnet (13) are coaxially arranged, a second magnet (93) is arranged in the positioning hole (92), and the magnetism of the first magnet (13) is the same as that of the second magnet (93).

6. The built-in locking valve according to claim 5, wherein: the side wall of the upper end of the lock sleeve (32) extends to form a second positioning block (21), the inner wall of the circular ring block (91) is provided with a second positioning groove (22), and the second positioning block (21) is matched with the second positioning groove (22) to limit the circumferential direction of the circular ring block (91).

7. The built-in locking valve according to claim 5, wherein: the upper end of the circular ring block (91) extends towards the center to form a retaining shoulder (94), and the lower end face of the retaining shoulder (94) is attached to the upper end face of the lock sleeve (32).