CN219549751U

CN219549751U - Locking valve

Info

Publication number: CN219549751U
Application number: CN202320807654.XU
Authority: CN
Inventors: 陈志春洋; 徐志滨; 赵静磊
Original assignee: Hebei Shuoyu Technology Co ltd
Current assignee: Hebei Shuoyu Technology Co ltd
Priority date: 2023-04-12
Filing date: 2023-04-12
Publication date: 2023-08-18
Anticipated expiration: 2033-04-12

Abstract

The utility model relates to a locking valve, which relates to the technical field of valves and comprises the following components: the lock sleeve is connected to the valve body and used for extending the valve rod; the lock body is embedded in the lock sleeve; the locking piece is connected to one end of the lock body, which is positioned in the lock sleeve, and is controlled to rotate by the lock body, and a locking groove for the locking piece to rotate in and out is formed in the inner wall of the lock sleeve; the lock body comprises a lock shell connected with the lock sleeve and a lock core rotatably arranged in the lock shell, wherein the lock core penetrates through two ends of the lock shell, the locking piece is connected to one end of the lock core, which is positioned in the lock sleeve, and the lock core is eccentrically connected to the lock shell. The locking valve has simple structure and convenient locking and unlocking operation.

Description

Locking valve

Technical Field

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

Background

The locking valve is a valve device composed of a valve body, a valve core, a valve rod and a locking mechanism.

The locking mechanism is a valve rod connected with a valve core in a valve body locking hole, a spring, a pawl and a ratchet locking cap are arranged on the valve rod, the valve body is a tee joint, the valve core is a bypass cap, the valve core is also provided with three through holes corresponding to the valve body, and after the valve core position is adjusted, the ratchet locking cap is screwed on, so that a user cannot open the valve body by himself. The device has reversing and locking functions, can control on-off of a group of heating and water supply systems, can not be started in a nondestructive way, and realizes effective control.

However, the locking mechanism in the related art is complicated in structure and inconvenient to assemble and disassemble.

Disclosure of Invention

In order to simplify the structure of the locking valve and facilitate the disassembly and assembly of the locking mechanism, the utility model provides the locking valve.

The utility model provides a locking valve which adopts the following technical scheme:

a locking valve, comprising:

the lock sleeve is connected to the valve body and used for extending the valve rod;

the lock body is embedded in the lock sleeve; and

the locking piece is connected to one end of the lock body, which is positioned in the lock sleeve, and the lock body controls the rotation, and the inner wall of the lock sleeve is provided with a locking groove for the locking piece to rotate in and out.

By adopting the technical scheme, the lock body is put into the lock sleeve, the lock body is screwed by a key, the locking piece is connected to the lock body, and the lock body is controlled to rotate; when the locking piece rotates into the locking groove, the key is pulled off, and the lock body is locked in the lock sleeve and cannot be taken down, and the valve rod cannot be contacted, so that the locking of the locking valve is realized; the key is inserted, the locking piece is rotated out of the locking groove, the lock body is unlocked from the locking state of the lock sleeve, and the lock body can be taken out of the lock sleeve, so that the valve rod is exposed, and the locking valve can be adjusted through the valve rod. The whole locking valve is simple in structure and convenient to operate.

Optionally, the lock body includes the lock shell of being connected with the lock sleeve and rotates the lock core that sets up in the lock shell, the lock core runs through to the both ends of lock shell, the retaining member is connected in the one end that the lock core is located the lock sleeve.

Through adopting above-mentioned technical scheme, lock core one end is located the lock sleeve outside for the cooperation key inserts, and one end is located the lock sleeve, is used for the installation of retaining member, can realize the direct control of key to the retaining member.

Optionally, the lock core is eccentrically connected to the lock housing.

By adopting the technical scheme, the lock cylinder is eccentric with the lock shell, and the locking piece is arranged on the lock cylinder, so that the locking piece can be conveniently controlled to enter the locking groove and rotate out of the locking groove.

Optionally, the projection area of the locking member on the lock housing is smaller than the cross-sectional area of the lock housing, and the locking member can be rotated to a state of being completely covered by the lock housing.

By adopting the technical scheme, the locking piece can not influence the lock body to be embedded into the lock sleeve and pulled out of the lock sleeve, so that the locking valve is convenient to open and lock.

Optionally, the retaining member is configured as a ring plate, and is eccentrically connected to the lock cylinder, and the ring plate is rotatable to a state coaxial with the lock case.

Through adopting above-mentioned technical scheme, can increase the retaining member and enter into the area in the locking groove, the fastness when reinforcing lock body and lock sleeve locking.

Optionally, a threaded hole is formed in one end, located in the lock sleeve, of the lock cylinder in the axial direction, and the locking piece is connected to the lock cylinder through a locking bolt.

Through adopting above-mentioned technical scheme, retaining member bolted connection is on the lock core, and mounting structure is simple, and the dismouting of retaining member is changed conveniently.

Optionally, the lock body still includes the apron that is located lock sleeve export one end, apron and the coaxial setting of lock shell, and the diameter of apron is greater than the diameter of lock shell, lock sleeve export inner wall is provided with the ladder groove with the apron adaptation.

Through adopting above-mentioned technical scheme, apron cooperation ladder groove can seal the opening of lock sleeve completely, avoids debris to enter into in the lock sleeve and influence the dismouting of lock body, also can protect the lock body simultaneously, reduces the risk that the lock body was demolishd by violence.

Optionally, the locking groove is arranged along the inner wall of the lock sleeve for a circle.

By adopting the technical scheme, the lock body is arranged in the lock sleeve from different angles, and the lock sleeve and the lock body can be locked.

Optionally, a valve cover capable of opening or closing the outlet is connected to the outlet of the lock sleeve.

Through adopting above-mentioned technical scheme, the valve gap can cover the lock sleeve export to protect the key hole on the lock core, avoid the key hole to be blocked by debris and the condition that can't insert the key appears.

Optionally, the outlet end of the valve body is connected with a Y-shaped filter.

Through adopting above-mentioned technical scheme, connect Y type filter on the valve body, can filter the fluid through the locking valve, close the locking valve, also can clear up Y type filter filterable impurity.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. the locking structure of the locking valve controls the lock cylinder to rotate through the key, so that the eccentric locking piece is driven to rotate in the lock sleeve, the connection state with the lock sleeve is switched, and the locking and unlocking of the lock sleeve and the lock body can be realized, so that the valve rod is protected and unlocked conveniently. The whole locking valve has simple structure and convenient locking and unlocking operation.

2. According to the utility model, the locking piece is connected to the lock cylinder through the bolt, the installation structure is simple, and the locking piece is convenient to assemble, disassemble and replace.

3. The apron cooperation ladder groove on the lock body can seal the opening of lock sleeve completely, avoids debris to enter into in the lock sleeve and influence the dismouting of lock body, also can protect the lock body simultaneously, reduces the risk that the lock body was demolishd by violence.

4. The lock body can rotate, and the lock body can only rotate when the lock is unlocked by using the wrong key, so that the condition that the key is broken in the lock body is not easy to happen, and the lock body is protected.

Drawings

FIG. 1 is a schematic view showing the overall structure of a latch valve according to embodiment 1 of the present utility model;

FIG. 2 is a schematic view showing a connection structure between a lock body and a locking member according to embodiment 1 of the present utility model;

FIG. 3 is a schematic cross-sectional view of the latch valve of embodiment 1 of the present utility model;

FIG. 4 is a schematic view showing the overall structure of a latch valve according to embodiment 2 of the present utility model;

FIG. 5 is a schematic view showing the overall structure of a latch valve according to embodiment 3 of the present utility model;

in the figure, 1, a valve body; 2. a lock sleeve; 21. a locking groove; 22. a stepped groove; 3. a lock body; 31. a lock case; 32. a lock core; 33. a locking bolt; 34. a cover plate; 4. a circular plate; 5. a valve cover; 6. a Y-type filter.

Detailed Description

The present utility model will be described in further detail with reference to fig. 1 to 5.

Example 1: the utility model provides a locking valve, referring to figures 1 and 2, the locking valve comprises a valve body 1, a lock sleeve 2, a lock body 3, a locking piece and a key matched with the lock body 3, wherein the lock sleeve 2 is connected with the valve body 1, the locking piece is connected with the lock body 3, and the lock body 3 and the locking piece are embedded into the lock sleeve 2 together.

The valve body 1 is of a three-way structure, a valve core is connected in the valve body 1, the locking valve in the embodiment adopts a ball valve structure, the valve core adopts a ball body with two through sides, and the valve rod is fixed on the valve core.

The lock sleeve 2 is connected to the valve body 1 and is of an integrally formed structure with the valve body 1, a cavity with a circular cross section is formed in the lock sleeve 2 as one of three-way connectors of the valve body 1, a diaphragm plate is arranged at the joint of the lock sleeve 2 and the valve rod penetrates through the diaphragm plate and enters the lock sleeve 2, and the valve rod can be rotated in the lock sleeve 2 to adjust the locking valve.

Referring to fig. 2, the lock body 3 has a cylindrical shape and is inserted into the lock case 2, and the lock body 3 includes a lock case 31, a lock cylinder 32, and a cover plate 34. The lock shell 31 is of a cylindrical structure, is embedded into the lock sleeve 2, is attached to the inner wall of the lock sleeve 2, and is provided with a mounting hole for the lock cylinder 32 in a penetrating way between the two top surfaces; the lock cylinder 32 is connected in the mounting hole, and two ends of the lock cylinder 32 protrude from two ends of the lock shell 31, in the embodiment, the lock cylinder 32 and the lock shell 31 are eccentrically arranged, and the lock cylinder 32 is controlled by a key to rotate on the lock shell 31; the cover plate 34 is a circular plate, is connected to one end of the lock housing 31, is coaxially disposed with the lock housing 31, and the lock cylinder 32 simultaneously penetrates the cover plate 34 and extends to the surface of the cover plate 34.

The retaining member is connected on lock core 32, and the retaining member sets up to the ring board 4 of metal in this embodiment, and ring board 4 demountable installation is kept away from the one end of apron 34 at lock core 32, and specifically the screw hole is offered along the axial to the one end that apron 34 was kept away from to lock core 32, and threaded hole threaded connection has locking bolt 33, has offered the connecting hole on the ring board 4, and locking bolt 33 passes the gasket, ring board 4 and lock core 32 threaded connection to can realize that lock core 32 drives ring board 4 and rotate together.

In this embodiment, the annular plate 4 is eccentrically connected to the lock cylinder 32, and the projection area of the annular plate 4 on the lock shell 31 is smaller than the cross-sectional area of the lock shell 31, so that the annular plate 4 can rotate to a state of being completely covered by the lock shell 31 and also can rotate to a state of being coaxial with the lock shell 31.

Referring to fig. 2 and 3, a circle of locking groove 21 is circumferentially formed in the inner wall of the lock sleeve 2, a circle of stepped groove 22 is circumferentially formed in the inner wall of the opening of the lock sleeve 2, after the lock body 3 is embedded into the lock sleeve 2, the position of the annular plate 4 is opposite to that of the locking groove 21, the cover plate 34 is clamped on the stepped groove 22, the outer surface of the cover plate 34 is flush with the end surface of the lock sleeve 2, the lock sleeve 2 is internally covered, at the moment, the lock cylinder 32 can be rotated, the annular plate 4 is driven to rotate together, the annular plate 4 can rotate out from the lower part of the lock shell 31 and is turned into the locking groove 21, and the lock body 3 is clamped in the lock sleeve 2.

The implementation principle of the embodiment 1 of the utility model is as follows: in the initial state, the lock body 3 is embedded in the lock sleeve 2, the annular plate 4 rotates out to enter the locking groove 21, the lock body 3 is locked in the lock sleeve 2 and cannot be taken down, and the valve rod cannot be contacted, so that the locking of the locking valve is realized; the key is inserted, the annular plate 4 is rotated out of the locking groove 21, the lock body 3 is unlocked from the lock sleeve 2, the lock body 3 can be taken out of the lock sleeve 2, so that a valve rod is exposed, and the locking valve can be adjusted through the valve rod; after the locking valve is regulated, the lock body 3 is reloaded into the lock sleeve 2, the cover plate 34 is embedded into the stepped groove 22, the key is screwed, the lock cylinder 32 drives the annular plate 4 to rotate together, the annular plate 4 reenters into the locking groove 21, and then the key is pulled out, so that the locking valve is re-locked.

Example 2: the present embodiment is different from embodiment 1 in that a valve cover 5 is connected to the outlet of the lock sleeve 2, the valve cover 5 can completely close the outlet of the lock sleeve 2, and the outlet of the lock sleeve 2 can be opened or closed by knowing the valve cover 5. The valve gap 5 can be joint, threaded connection or rotation connection with the connected mode of lock sleeve 2, adopts the mode of rotation connection in this embodiment, and the exit peripheral surface protrusion of lock sleeve 2 forms the rotation seat, rotates the epaxial rotation of connection, and valve gap 5 adopts the circular metal sheet the same with lock sleeve 2 external diameter, and one side rotation of valve gap 5 is connected in the axis of rotation, rotates around the rotation axis through valve gap 5, can seal the export of lock sleeve 2 completely to protect the key hole on the lock core 32, and valve gap 5 also can avoid the export of lock sleeve 2 completely, can not hinder the installation and the dismantlement of lock body 3.

Example 3: the difference between this embodiment and embodiment 1 is that the outlet end of the valve body 1 is connected with a Y-shaped filter 6, and the Y-shaped filter 6 and the valve body 1 may be detachably connected or may be in an integrally formed structure, in this embodiment, an integrally formed form is adopted, and fluid passing through the valve body 1 may be filtered by the Y-shaped filter 6, or a filter screen in the Y-shaped filter 6 may be cleaned by removing a plug of the Y-shaped filter 6.

The embodiments of the present utility model are all preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model, wherein like reference numerals are used to refer to like elements throughout. Therefore: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. A latching valve, comprising:

the lock sleeve (2) is connected to the valve body (1) and is used for extending the valve rod;

the lock body (3) is embedded in the lock sleeve (2) and matched with a key; and

the locking piece is connected to one end of the lock body (3) located in the lock sleeve (2) and is controlled to rotate by the lock body (3), and a locking groove (21) used for enabling the locking piece to rotate in and out is formed in the inner wall of the lock sleeve (2).

2. A locking valve according to claim 1, characterized in that the lock body (3) comprises a lock housing (31) connected with the lock sleeve (2) and a lock cylinder (32) rotatably arranged in the lock housing (31), the lock cylinder (32) penetrates through both ends of the lock housing (31), and the locking member is connected to one end of the lock cylinder (32) located in the lock sleeve (2).

3. A locking valve according to claim 2, characterized in that the lock cylinder (32) is eccentrically connected to the lock housing (31).

4. A locking valve as claimed in claim 3, characterized in that the projection area of the locking element on the lock housing (31) is smaller than the cross-sectional area of the lock housing (31), and in that the locking element is rotatable to a state in which it is completely covered by the lock housing (31).

5. A locking valve as claimed in claim 4, characterized in that the locking member is provided as a circular plate (4) which is eccentrically connected to the lock cylinder (32), the circular plate (4) being rotatable into a coaxial state with the lock housing (31).

6. A locking valve as claimed in claim 2, characterized in that the lock cylinder (32) is provided with a threaded hole in the axial direction at one end thereof located in the lock sleeve (2), and the locking member is connected to the lock cylinder (32) by means of a locking bolt (33).

7. A locking valve according to claim 2, characterized in that the lock body (3) further comprises a cover plate (34) at the outlet end of the lock sleeve (2), the cover plate (34) is arranged coaxially with the lock shell (31), the diameter of the cover plate (34) is larger than that of the lock shell (31), and the inner wall of the outlet of the lock sleeve (2) is provided with a stepped groove (22) matched with the cover plate (34).

8. A locking valve according to claim 1, characterized in that the locking groove (21) is arranged along the inner wall of the sleeve (2) for one revolution.

9. A locking valve according to claim 1, characterized in that the outlet of the sleeve (2) is connected with a valve cover (5) which can open or close the outlet.

10. A locking valve according to claim 1, characterized in that the outlet end of the valve body (1) is connected with a Y-filter (6).