CN220622929U - Magnetic open rod gate valve with lock - Google Patents

Abstract

The utility model discloses a magnetic open rod gate valve with lock, which comprises an open rod bracket, a bracket nut, a valve rod, a hand wheel and the like, wherein a plurality of circumferentially distributed locking grooves are arranged on the outer circumferential surface of the bracket nut, and a lock pin and a magnetic lock are arranged on the open rod bracket; therefore, the rotation of the bracket nut can be locked only by the inward movement of the lock pin operated, and the inner end of the lock pin is driven to be assembled in any lock groove, or the rotation of the bracket nut can be unlocked by the outward movement of the lock pin operated, and the inner end of the lock pin is driven to be separated from any lock groove; meanwhile, the magnetic lock is arranged on the open rod bracket, and covers and seals the lock pin to limit the operation, or the magnetic lock is removed from the open rod bracket, so that the lock pin can be exposed to form the operation. Obviously, the locking or unlocking of the opening and closing of the gate valve can be realized through the locking pin matched with the magnetic lock, so that the operation of non-operators is avoided, the normal use of a pipeline system is ensured, and the potential safety hazard of use is eliminated.

Description

Magnetic open rod gate valve with lock

Technical Field

The utility model relates to a rising stem gate valve for opening and closing a pipeline system in a pipeline valve, in particular to a magnetic rising stem gate valve with a lock.

Background

The open rod gate valve is mainly used for opening and closing a pipeline system, the top of a gate valve is usually provided with an open rod support, a support nut which is rotatably arranged in the open rod support, a valve rod which penetrates through the support nut and forms threaded connection, and a hand wheel which is arranged on the support nut and forms transmission installation, so that the valve rod can be driven to form lifting movement in the open rod support only by operating the hand wheel to drive the support nut to rotate, and then the gate plate in the gate valve is driven to synchronously lift movement through the lifting movement of the valve rod, thereby realizing the opening and closing of the gate valve. However, the lock structure is not arranged on the open-lever gate valves, so that the gate valves are operated by non-operators in the use process, the normal use of a pipeline system is affected, and the use safety hidden trouble is also caused.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide the magnetic gate valve with the locking rod, which can be locked or unlocked, thereby avoiding the operation of non-operators, ensuring the normal use of a pipeline system and eliminating the potential safety hazard of use.

The technical problems of the utility model are realized by the following technical scheme:

the magnetic open rod gate valve with lock comprises an open rod bracket arranged at the top of a gate valve, a bracket nut rotatably arranged in the open rod bracket, a valve rod penetrating through the bracket nut and forming threaded connection, and a hand wheel arranged on the bracket nut and forming transmission installation, wherein the hand wheel drives the bracket nut to rotate and drives the valve rod to form lifting movement in the open rod bracket so as to open and close the gate valve, a plurality of locking grooves distributed circumferentially are formed in the outer circumferential surface of the bracket nut, and locking pins and magnetic locks are arranged on the open rod bracket; the lock pin is operated to move inwards to drive the inner end of the lock pin to be assembled in any locking groove, the rotation of the bracket nut is locked, or the lock pin is operated to move outwards to drive the inner end of the lock pin to be separated from any locking groove, and the rotation of the bracket nut is unlocked; the magnetic lock is arranged on the open rod bracket and covers and seals the lock pin to limit operation, or the magnetic lock is removed from the open rod bracket and exposes the lock pin to form operation.

The side shaft and the side hole axially penetrating the side shaft are arranged on the open rod bracket; the lock pin is arranged in the side hole, and the outer end of the lock pin extends out of the side hole to be exposed and is provided with a pull ring; the lock pin is elastically pushed inwards to move so as to automatically drive the inner end of the lock pin to be assembled in any lock groove, or the lock pin is pulled outwards by the pull ring to move so as to drive the inner end of the lock pin to be separated from any lock groove.

The side hole is internally provided with a lock pin spring sleeved outside the lock pin, the inner end of the lock pin spring is pushed against the outer shoulder of the lock pin, the outer end of the lock pin spring is pushed against the inner shoulder of the side hole, and the lock pin spring elastically pushes the lock pin to automatically move inwards.

The outer end face of the side shaft is provided with a deep groove and a shallow groove, the pull ring is assembled in the deep groove, and the inner end of the lock pin is assembled in any locking groove; the pull ring is assembled in the shallow groove, and the inner end of the lock pin is separated from any locking groove.

The magnetic lock is arranged outside the side shaft and is used for closing the pull ring in a detachable mode, and the unlocking sleeve which is matched with and used for unlocking the magnetic lock is arranged outside the magnetic lock.

The magnetic lock comprises a lock cylinder and a lock shell movably sleeved outside the lock cylinder, wherein an assembly hole is formed in the lock cylinder, a plurality of lock beads and a plurality of locking magnetic blocks which are elastically pushed outwards are arranged on the outer circumferential surface of the lock cylinder, and part of each lock bead is exposed on the wall of the assembly hole; the inner circumferential surface of the lock shell is provided with a locking hole and an unlocking hole matched with the plurality of locking beads and a locking shoulder matched with the plurality of locking magnetic blocks; the aperture of the locking hole is smaller than that of the unlocking hole.

The outer circumferential surface of the side shaft is provided with a ring groove, the magnetic lock is inserted on the side shaft through the assembly hole, the pull ring is covered and sealed, and locking beads which are partially exposed on the hole wall of the assembly hole are all assembled in the ring groove and are limited by the locking hole so as not to be separated from the ring groove, thus forming the locking of the magnetic lock.

The unlocking sleeve is provided with an assembling groove and an unlocking magnetic block positioned at the outer side of the assembling groove, the unlocking sleeve is assembled outside the magnetic lock through the assembling groove, the unlocking magnetic block is pushed by repulsive magnetic force to separate from the locking shoulder, the locking shell moves outwards relative to the lock core to drive the unlocking hole to face a plurality of locking beads, and the plurality of locking beads are separated from the annular groove simultaneously to unlock the magnetic lock.

An unlocking spring which is mutually elastically pushed is arranged between the lock cylinder and the lock shell, the unlocking sleeve is matched and assembled outside the magnetic lock to unlock the magnetic lock, and the unlocking spring elastically pushes the lock shell to automatically move outwards relative to the lock cylinder.

The outer end face of the magnetic lock and the outer end face of the unlocking sleeve are respectively provided with a position mark, and the unlocking sleeve is matched and assembled outside the magnetic lock through the position marks to unlock the magnetic lock.

Compared with the prior art, the utility model is mainly characterized in that the outer circumferential surface of the bracket nut is provided with a plurality of locking grooves distributed circumferentially, and the open rod bracket is provided with a locking pin and a magnetic lock; therefore, the rotation of the bracket nut can be locked only by the inward movement of the lock pin operated, and the inner end of the lock pin is driven to be assembled in any lock groove, namely the opening and closing operation of the gate valve is locked, or the lock pin is operated to move outwards, and the inner end of the lock pin is driven to be separated from any lock groove, so that the rotation of the bracket nut is unlocked, namely the opening and closing operation of the gate valve is unlocked; meanwhile, the magnetic lock is arranged on the open rod bracket, and covers and seals the lock pin to limit the operation, or the magnetic lock is removed from the open rod bracket, so that the lock pin can be exposed to form the operation. Obviously, the locking or unlocking of the opening and closing of the gate valve can be realized through the locking pin matched with the magnetic lock, so that the operation of non-operators is avoided, the normal use of a pipeline system is ensured, and the potential safety hazard of use is eliminated.

Drawings

FIG. 1 is a schematic view of the structure of the present utility model (magnetic lock encloses the lock pin housing).

Fig. 2 is a right side view of fig. 1.

Fig. 3 is a schematic structural view of the assembled unlocking sleeve in fig. 1.

Fig. 4 is a right side view of fig. 3.

Fig. 5 is a schematic view of the structure of fig. 1 with the magnetic lock removed and the tab fitted in the shallow slot.

Fig. 6 is a right side view of fig. 5.

Fig. 7 is a sectional view of the side shaft.

Fig. 8 is a top view of fig. 7.

Fig. 9 is a right side view of fig. 8.

Fig. 10 is a cross-sectional view of the bracket nut.

Fig. 11 is a right side view of fig. 10.

Fig. 12 is a perspective view of fig. 10.

Fig. 13 is a cross-sectional view of the unlocking sleeve.

Fig. 14 is a right side view of fig. 13.

Fig. 15 is a left side view of fig. 13.

Fig. 16 is a cross-sectional view of the magnetic lock.

Fig. 17 is a cross-sectional view of the lock cylinder.

Fig. 18 is a cross-sectional view of the lock housing.

Fig. 19 is a schematic structural view of the pin shaft.

Detailed Description

Embodiments of the present utility model will be described in detail below with reference to the drawings.

1-19, 1, gate valve, 2, open bar bracket, 21, side shaft, 22, side hole, 23, ring groove, 24, shallow groove, 25, inner shoulder, 26, deep groove, 3, valve stem, 4, bracket nut, 41, threaded hole, 42, locking groove, 43, regular polygon face, 5, hand wheel, 6, magnetic lock, 61, lock cylinder, 611, mounting hole, 62, lock shell, 621, locking hole, 622, unlocking hole, 623, locking shoulder, 63, locking bead, 64, locking magnet, 65, unlocking spring, 7, unlocking sleeve, 71, mounting groove, 72, unlocking magnet, 73, viewing hole, 8, locking pin, 81, outer shoulder, 82, locking pin spring, 9, pull ring, 10.

The utility model provides a magnetism area locks bright rod gate valve, as shown in fig. 1~ 6, relate to a pipeline valve for pipe-line system opens and close, its structure is including setting up bright rod support 2 at gate valve 1 top, rotate the support nut 4 of installing in bright rod support, pass support nut 4 and form threaded connection's valve rod 3, and set up on support nut 4 and form the hand wheel 5 of transmission installation, so hand wheel drive support nut 4 rotates, just can drive valve rod 3 and form the lift removal in bright rod support 2, and then drive the synchronous lift removal of flashboard in gate valve 1 through the lift removal of valve rod 3, thereby realize opening and close of gate valve 1.

The bracket nut 4 is cylindrical as shown in fig. 10-12, a threaded hole 41 which is axially penetrated is arranged in the bracket nut 4, and the bracket nut and the valve rod 3 form threaded sleeve connection through the threaded hole 41; the top outer circumferential surface of the bracket nut 4 is provided with a regular polygon surface 43 which is in transmission installation with the hand wheel 5, such as a regular hexagon surface in the embodiment; the outer circumferential surface of the bottom of the bracket nut 4 is provided with a plurality of locking grooves 42 which are distributed circumferentially, such as four locking grooves which are uniformly distributed circumferentially in the embodiment.

The rising stem support 2 on be equipped with lockpin 8 and magnetic lock 6, specific structure is: the open rod bracket 2 is provided with a side shaft 21 extending horizontally and outwards and a side hole 22 penetrating through the side shaft in the axial direction, the lock pin 8 is movably arranged in the side hole 22 and can move axially and outwards, the outer end of the lock pin 8 extends out of the side hole 22 and is provided with a pull ring 9, so that the pulling operation of operators is facilitated; meanwhile, a lock pin spring 82 sleeved outside the lock pin 8 is arranged in the side hole 22, the inner end of the lock pin spring is pushed against an outer shoulder 81 of the lock pin 8, and the outer end of the lock pin spring is pushed against an inner shoulder 25 of the side hole 22, so that the lock pin 8 can be elastically pushed by the lock pin spring 82 to form an automatic inward movement trend in a normal state.

Therefore, when the lock pin 8 is automatically pushed inwards and moved elastically, the inner end of the lock pin is driven to be assembled in any locking groove 42, so that the rotation of the bracket nut 4 is locked, namely, the hand wheel 5 is rotated to lock the gate valve 1 in a closed state or an open state; of course, even if the gate valve 1 is in the closed state or the open state, the inner end of the lock pin is not accurately assembled in any locking groove 42, but is elastically pushed against the outer circumferential surface of the bracket nut 4, a certain rotation allowance is left due to the rotation of the hand wheel 5, and at the moment, the inner end of the lock pin can be driven to be assembled in any locking groove 42 to form locking only by slightly rotating the hand wheel positively and negatively.

When an operator pulls the lock pin 8 to move outwards through the pull ring 9, the inner end of the lock pin is driven to be separated from any lock groove 42, so that the rotation of the bracket nut 4 is unlocked, namely, the hand wheel 5 is rotated to realize the opening and closing operation of the gate valve 1 again.

In order to ensure that the locking state and unlocking state of the lock pin 8 can be in a stable state, the outer end face of the side shaft 21 is also provided with a deep groove 26 and a shallow groove 24, namely, the lock pin spring 82 is utilized to elastically push the lock pin 8 to form a trend of automatically moving inwards so as to stably assemble the pull ring 9 in the deep groove 26 or the shallow groove 24; when the pull ring 9 is assembled in the deep groove 26, the inner end of the lock pin can be automatically assembled in any lock groove 42; when the tab 9 is fitted into the shallow slot 24, the inner end of the lock pin can be disengaged from either of the lock slots 42.

The fitting of the pull ring 9 in the deep groove 26 or the shallow groove 24 is changed, and the pull ring 9 is separated from the current deep groove 26 or the shallow groove 24 by pulling the pull ring 9 outwards by an operator and overcoming the elastic force of the lock pin spring 82, and then the pull ring is rotated to reselect the deep groove 26 or the shallow groove 24, so that the whole operation process is quite convenient.

The magnetic lock 6 is mounted outside the side shaft 21 and is closed by a removable closure of the pull ring 9, i.e. by a closure of the locking pin 8, which limits operation.

The magnetic lock 6 comprises a lock cylinder 61 and a lock shell 62 movably sleeved outside the lock cylinder, wherein an assembly hole 611 is formed in the lock cylinder 61, a plurality of lock beads 63 and a plurality of locking magnetic blocks 64 which are elastically pushed outwards are arranged on the outer circumferential surface of the lock cylinder, and part of each lock bead 63 is exposed on the wall of the assembly hole 611; the inner circumference of the lock shell 62 is provided with a locking hole 621 and an unlocking hole 622 which are matched with the plurality of locking beads 63 and a locking shoulder 623 which is matched with the plurality of locking magnetic blocks 64, and the aperture of the locking hole 621 is required to be smaller than the aperture of the unlocking hole 622; the outer circumferential surface of the side shaft 21 is provided with a ring groove 23.

Thus, the magnetic lock 6 is inserted into the side shaft 21 through the assembly hole 611 and covers and seals the pull ring 9, at this time, a plurality of locking beads 63 partially exposed on the hole wall of the assembly hole 611 are assembled in the ring groove 23 and are limited by the locking hole 621 so as not to be separated from the ring groove 23, thus locking of the magnetic lock 6 is formed, that is, the magnetic lock 6 cannot be separated from the side shaft 21; in addition, in actual use, the magnetic lock 6 can be quickly locked by only slightly pressing, and the locking process is quite easy and labor-saving.

In addition, the magnetic lock 6 is unlocked by the unlocking sleeve 7 which is assembled in a matching way, namely, the magnetic lock 6 is unlocked by the unlocking sleeve 7 which is assembled outside the magnetic lock in a matching way, and the magnetic lock can be removed from the side shaft 21 of the open rod bracket 2, so that the pull ring 9 at the outer end of the lock pin 8 is exposed to form an operation, and the concrete structure is as follows: the inner end surface of the unlocking sleeve 7 is provided with an assembly groove 71 and unlocking magnetic blocks 72 positioned outside the assembly groove, the number and the positions of the unlocking magnetic blocks are in one-to-one correspondence with those of the locking magnetic blocks 64, so that the unlocking sleeve 7 is assembled outside the magnetic lock 6 through the assembly groove 71, the locking magnetic blocks 64 can be pushed to separate from the lock shoulder 623 through repulsive magnetic force through the unlocking magnetic blocks 72, the lock shell 62 can move outwards relative to the lock cylinder 61 at the moment, and the unlocking hole 622 can be driven to face the plurality of lock beads 63, so that the plurality of lock beads 63 can be separated from the annular groove 23 simultaneously to unlock the magnetic lock 6.

The outer end surface of the magnetic lock 6 and the outer end surface of the unlocking sleeve 7 are provided with position marks 10, for example, a mark '0' is selected as in the embodiment, and the unlocking sleeve 7 is matched and assembled outside the magnetic lock 6 through the alignment of the position marks 10, so that the one-to-one corresponding position relation between each unlocking magnetic block 72 and each locking magnetic block 64 is ensured, and the magnetic lock 6 is unlocked rapidly; the outer end face of the unlocking sleeve 7 is also provided with a plurality of observation holes 73 which are uniformly distributed on the circumference so as to facilitate the observation of the position mark 10 on the outer end face of the magnetic lock 6.

An unlocking spring 65 which is mutually elastically pushed is further arranged between the lock cylinder 61 and the lock shell 62, and the unlocking spring 65 is used for elastically pushing the lock shell 62 to automatically move outwards relative to the lock cylinder 61 when the unlocking sleeve 7 is matched and assembled outside the magnetic lock 6 to unlock the magnetic lock, so that the magnetic lock 6 can be conveniently and rapidly unlocked and dismantled.

Obviously, the utility model can realize the locking or unlocking of the gate valve 1 by only matching the lock pin 8 with the magnetic lock 6, thereby avoiding the operation of non-operators, ensuring the normal use of a pipeline system and eliminating the hidden danger of use, and has high structural reliability and long service life.

The foregoing is merely a specific embodiment of the present utility model, and it should be understood by those skilled in the art that any structural design equivalent to the embodiment is included in the scope of the present utility model.

Claims (10)

1. The magnetic open rod gate valve with the lock comprises an open rod support (2) arranged at the top of a gate valve (1), a support nut (4) rotatably arranged in the open rod support, a valve rod (3) penetrating through the support nut and forming threaded connection, and a hand wheel (5) arranged on the support nut (4) and forming transmission installation, wherein the hand wheel drives the support nut (4) to rotate and drives the valve rod (3) to form lifting movement in the open rod support (2) so as to open and close the gate valve (1), and the magnetic open rod gate valve is characterized in that a plurality of circumferentially distributed locking grooves (42) are formed in the outer circumferential surface of the support nut (4), and locking pins (8) and magnetic locks (6) are arranged on the open rod support (2); the lock pin (8) is operated to move inwards to drive the inner end of the lock pin to be assembled in any locking groove (42), the rotation of the bracket nut (4) is locked, or the lock pin (8) is operated to move outwards to drive the inner end of the lock pin to be separated from any locking groove (42), and the rotation of the bracket nut (4) is unlocked; the magnetic lock (6) is arranged on the open rod bracket (2) and covers and seals the lock pin (8) inside to limit operation, or the magnetic lock (6) is detached from the open rod bracket (2) and exposes the lock pin (8) to form operation.

2. The magnetic locking rising-stem gate valve according to claim 1, wherein the rising-stem support (2) is provided with a side shaft (21) and a side hole (22) axially penetrating the side shaft; the lock pin (8) is movably arranged in the side hole (22), and the outer end of the lock pin (8) extends out of the side hole (22) to be exposed and is provided with a pull ring (9); the lock pin (8) is elastically pushed inwards to move so as to automatically drive the inner end of the lock pin to be assembled in any lock groove (42), or the lock pin (8) is pulled outwards through the pull ring (9) to move so as to drive the inner end of the lock pin to be separated from any lock groove (42).

3. The magnetic rising-stem gate valve with lock of claim 2, wherein the lock pin spring is installed in the side hole and is installed outside the lock pin in a sleeved mode, the inner end of the lock pin spring is pushed against the outer shoulder of the lock pin, the outer end of the lock pin spring is pushed against the inner shoulder of the side hole, and the lock pin spring elastically pushes the lock pin to automatically move inwards.

4. A magnetic latching lever brake valve as claimed in claim 2, characterized in that the outer end face of the side shaft (21) is provided with a deep groove (26) and a shallow groove (24), the pull ring (9) being fitted in the deep groove (26), the inner end of the latch being fitted in either latching groove (42); the pull ring (9) is assembled in the shallow groove (24), and the inner end of the lock pin is separated from any lock groove (42).

5. A magnetic locking rising stem gate valve according to claim 2, characterized in that the magnetic lock (6) is mounted outside the side shaft (21) and removably encloses the pull ring (9), and that an unlocking sleeve (7) is provided outside the magnetic lock (6) for mating and unlocking the magnetic lock.

6. The magnetic lock (6) with the lock rod is characterized by comprising a lock cylinder (61) and a lock shell (62) movably sleeved outside the lock cylinder, wherein an assembly hole (611) is formed in the lock cylinder, a plurality of lock beads (63) and a plurality of locking magnetic blocks (64) which elastically push outwards are arranged on the outer circumferential surface of the lock cylinder (61), and part of each lock bead (63) is exposed on the wall of the assembly hole (611); the inner circumferential surface of the lock shell (62) is provided with a locking hole (621) and an unlocking hole (622) which are matched with the plurality of locking beads (63), and a locking shoulder (623) which is matched with the plurality of locking magnetic blocks (64); the aperture of the locking hole (621) is smaller than that of the unlocking hole (622).

7. The magnetic latching lever brake valve with lock as claimed in claim 6, wherein the outer circumferential surface of the side shaft (21) is provided with a ring groove (23), the magnetic latch (6) is inserted into the side shaft (21) through the assembly hole (611) and covers the pull ring (9) inside, and the locking beads (63) partially exposed on the wall of the assembly hole (611) are all assembled in the ring groove (23) and are limited by the locking hole (621) to be unable to be separated from the ring groove to form the locking of the magnetic latch.

8. The magnetic lock with the open rod gate valve is characterized in that an assembly groove and an unlocking magnetic block positioned outside the assembly groove are arranged on the inner end face of the unlocking sleeve, the unlocking sleeve is assembled outside the magnetic lock through the assembly groove, the unlocking magnetic block is pushed by repulsive magnetic force to separate from the locking shoulder, the lock shell moves outwards relative to the lock core to drive the unlocking hole to face a plurality of locking beads, and the plurality of locking beads are separated from the annular groove (23) simultaneously to unlock the magnetic lock (6).

9. The magnetic open-lever gate valve with lock according to claim 6, wherein an unlocking spring (65) which is elastically pushed by each other is arranged between the lock cylinder (61) and the lock shell (62), the unlocking sleeve (7) is fitted outside the magnetic lock (6) to unlock the magnetic lock, and the unlocking spring (65) elastically pushes the lock shell (62) to automatically move outside relative to the lock cylinder (61).

10. The magnetic open-rod gate valve with the lock according to claim 5, wherein the outer end face of the magnetic lock (6) and the outer end face of the unlocking sleeve (7) are both provided with position marks (10), and the unlocking sleeve (7) is matched and assembled outside the magnetic lock (6) through the position marks (10) to unlock the magnetic lock.