CN216279676U

CN216279676U - Internal rotation type switch valve

Info

Publication number: CN216279676U
Application number: CN202122373782.1U
Authority: CN
Inventors: 周鑫顺
Original assignee: Cangzhou Saier Mechanical Equipment Co ltd
Current assignee: Cangzhou Saier Mechanical Equipment Co ltd
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2022-04-12
Anticipated expiration: 2031-09-28

Abstract

The utility model provides an internal rotation type switch valve, and relates to the field of valves. This internal rotation formula switching valve, including the valve casing, the inside rotation of valve casing is connected with sealing mechanism, and sealing mechanism's the top that is located the valve casing is pegged graft and is had control mechanism, sealing mechanism includes the interior lantern ring, and the top fixed mounting of the interior lantern ring has interior sleeve pipe, and the lantern ring cup joints together and rotate the connection in the multiunit, and the outmost interior lantern ring rotates with the valve casing to be connected, control mechanism includes the sliding plate, and the inside sliding connection of sliding plate has the thimble, and the bottom and the sealing mechanism of thimble peg graft. This internal rotation formula switch valve moves the thimble through pegging graft the thimble in the spliced eye and can release the joint piece from the joint groove downwards, and ninety degrees of rotatory thimble changes the rotation angle of the interior lantern ring, loosens and continues the joint hold state under reset spring's effect, and then can be large-area change valve pass through the cross-section, has solved the problem that gap control blockked up easily among the prior art.

Description

Internal rotation type switch valve

Technical Field

The utility model relates to the technical field of valves, in particular to an internal rotation type switch valve.

Background

Valves are plumbing accessories used to open and close a pipe, control flow direction, regulate and control parameters of the transport medium (temperature, pressure and flow). According to their function, they can be classified into shut-off valves, check valves, regulating valves, and the like. The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. Valves used in fluid control systems range in variety and size from the simplest shut-off valves to the variety of valves used in extremely complex autonomous systems.

The existing valve can be used for controlling the flow, but the control mode is to change the size of the gap inside the valve, so when granular fluid is controlled, the blockage is easy to occur in the control mode.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides an internal rotation type switch valve, which solves the problems in the background art.

In order to achieve the purpose, the utility model is realized by the following technical scheme: an internal rotation type switch valve comprises a valve casing, wherein a sealing mechanism is rotatably connected inside the valve casing, a control mechanism is inserted above the valve casing and comprises an inner sleeve ring, an inner sleeve pipe is fixedly installed at the top end of the inner sleeve ring, a plurality of groups of inner sleeve rings are sleeved together and rotatably connected, the outermost inner sleeve ring is rotatably connected with the valve casing, the control mechanism comprises a sliding plate, an ejector pin is slidably connected inside the sliding plate, the bottom end of the ejector pin is inserted with the sealing mechanism, a limit sleeve is fixedly installed at the rear end of the sliding plate, a control shaft is slidably connected inside the limit sleeve, the control shaft is hinged with the ejector pin through a hinge rod, a threaded shaft is rotatably connected at the rear end of the control shaft and is in threaded connection with the limit sleeve, a clamping groove is formed in the lower portion inside the inner sleeve pipe, an annular groove is formed in the top end of the inner sleeve pipe, a reset spring is fixedly installed inside the annular groove, reset spring's top fixed mounting has the ring piece, and ring piece sliding connection has a sliding block in the inside of joint groove, and the inner circle fixed mounting of ring piece has a sliding block, and the sliding tray has been seted up to the inside of annular, and the upper surface outside fixed mounting of ring piece has the joint piece, and joint piece joint is in the joint inslot of the interior cover sleeve pipe in the outside, and the upper surface inboard of ring piece is opened and is equipped with the spliced eye, and the thimble is pegged graft in the inside of spliced eye.

Preferably, the bottom end fixed mounting of interior lantern ring has the contact pin, and the contact pin rotates to be connected inside the interior lantern ring in the outside, and the contact pin and the valve casing rotation in the outermost side are connected.

Preferably, the clamping groove is divided into a groove part and a ring groove part, the depth of the groove part is the same as that of the ring groove part, and the height of the clamping block is the same as that of the ring block.

Preferably, the number of the insertion holes in the ring block is two, the two insertion holes are symmetrically arranged, and the diameter of each insertion hole is the same.

Preferably, the outer fixed surface of valve casing installs latch mechanism, and the latch mechanism is the same with the joint mode between two adjacent interior lantern rings with the joint between the lantern ring in the outside.

Preferably, the diameter of the inner lantern ring is gradually increased, the thickness of the inner lantern ring is gradually increased, and the innermost inner lantern ring is in a disc shape.

The utility model has the following beneficial effects:

1. this internal rotation formula switch valve moves the thimble through pegging graft the thimble in the spliced eye and can release the joint piece from the joint groove downwards, and ninety degrees of rotatory thimble changes the rotation angle of the interior lantern ring, loosens and continues the joint hold state under reset spring's effect, and then can be large-area change valve pass through the cross-section, has solved the problem that gap control blockked up easily among the prior art.

2. This internal rotation formula ooff valve can change the position of control shaft through rotatory threaded shaft to can change the angle of opening and shutting of hinge bar, thereby can change the distance between two thimbles, and then can adapt to different spliced eye distances.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic half-section view of the inner collar of the present invention;

FIG. 3 is a schematic view of a control mechanism of the present invention;

FIG. 4 is a schematic view of the ring block connection of the present invention.

The device comprises a valve shell-1, a sealing mechanism-2, a control mechanism-3, an inner sleeve ring-201, an inner sleeve pipe-202, a clamping groove-203, an annular groove-204, a return spring-205, a ring block-206, a sliding block-207, a sliding groove-208, a clamping block-209, a plug hole-210, a sliding plate-301, a thimble-302, a limit sleeve-303, a control shaft-304, a hinge rod-305 and a threaded shaft-306.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The embodiment of the utility model provides an internal rotation type switch valve which comprises:

embodiment one, as shown in fig. 1-4, including valve casing 1, the inside rotation of valve casing 1 is connected with sealing mechanism 2, sealing mechanism 2 is located the top of valve casing 1 and is pegged graft and have control mechanism 3, sealing mechanism 2 includes the interior lantern ring 201, the top fixed mounting of interior lantern ring 201 has interior sleeve pipe 202, the lantern ring 201 cup joints together and rotates the connection in the multiunit, outermost interior lantern ring 201 rotates with valve casing 1 to be connected, the bottom fixed mounting of interior lantern ring 201 has the contact pin, the contact pin rotates to be connected inside the interior lantern ring 201 in the outside, the contact pin in the outermost side rotates with valve casing 1 to be connected, can guarantee through such setting up to become integrative between the adjacent interior lantern ring 201.

The diameter of the inner lantern ring 201 becomes gradually larger, the thickness of the inner lantern ring 201 becomes gradually thicker, the innermost inner lantern ring 201 is in a disc shape, and a good sealing effect can be guaranteed through the arrangement.

The control mechanism 3 comprises a sliding plate 301, a thimble 302 is slidably connected inside the sliding plate 301, the bottom end of the thimble 302 is inserted into the sealing mechanism 2, a limit sleeve 303 is fixedly installed at the rear end of the sliding plate 301, a control shaft 304 is slidably connected inside the limit sleeve 303, the control shaft 304 is hinged with the thimble 302 through a hinge rod 305, a threaded shaft 306 is rotatably connected at the rear end of the control shaft 304, the threaded shaft 306 is in threaded connection with the limit sleeve 303, a clamping groove 203 is formed in the lower portion inside the inner sleeve pipe 202, an annular groove 204 is formed in the top end of the inner sleeve pipe 202, a return spring 205 is fixedly installed inside the annular groove 204, a ring block 206 is fixedly installed at the top end of the return spring 205, the ring block 206 is slidably connected inside the clamping groove 203, a sliding block 207 is fixedly installed on the inner ring block 206, a sliding groove 208 is formed in the annular groove 204, and a clamping block 209 is fixedly installed on the outer side of the upper surface of the ring block 206, the clamping groove 203 is divided into a groove part and a ring groove part, the depth of the groove part is the same as that of the ring groove part, the height of the clamping block 209 is the same as that of the ring block 206, and the clamping block 209 can be ensured to rotate inside the ring groove after being withdrawn from the groove part. The fixed surface of valve casing 1 installs latch mechanism, and latch mechanism and the interior lantern ring 201 in the outside between the joint, the joint mode is the same with the joint mode between two adjacent interior lantern rings 201, can guarantee through such setting that outer interior lantern ring 201 also can play the effect.

The clamping block 209 is clamped in the clamping groove 203 of the inner sleeve pipe 202 on the outer side, the inner side of the upper surface of the ring block 206 is provided with a plug hole 210, and the thimble 302 is plugged in the plug hole 210. The number of the plug holes 210 on the ring block 206 is two, the two plug holes 210 are symmetrically arranged, the diameter of each plug hole 210 is the same, and the arrangement can ensure that different plug holes can be plugged by the ejector pins 302 with the same diameter.

When the thimble structure is used, the position of the control shaft 304 can be changed by rotating the threaded shaft 306, so that the opening and closing angle of the hinge rod 305 can be changed, the distance between the two thimbles 302 can be changed, and different distances of the plug holes 210 can be adapted;

when the flow of the valve needs to be changed, the thimble 302 is inserted into the insertion hole 210, the thimble 302 is pressed downwards to push the clamping block 209 out of the clamping groove 203, the thimble 302 is rotated ninety degrees, the rotation angle of the inner sleeve ring 201 is changed, and the clamping and holding state is released and continued under the action of the return spring 205.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An internal rotation type switching valve, comprising a valve housing (1), characterized in that: a sealing mechanism (2) is rotatably connected inside the valve casing (1), and a control mechanism (3) is inserted above the valve casing (1) of the sealing mechanism (2);

the sealing mechanism (2) comprises an inner lantern ring (201), an inner sleeve pipe (202) is fixedly installed at the top end of the inner lantern ring (201), a plurality of groups of inner lantern rings (201) are sleeved together and rotatably connected, and the outermost inner lantern ring (201) is rotatably connected with the valve shell (1);

the control mechanism (3) comprises a sliding plate (301), a thimble (302) is connected inside the sliding plate (301) in a sliding mode, the bottom end of the thimble (302) is connected with the sealing mechanism (2) in an inserting mode, a limiting sleeve (303) is fixedly installed at the rear end of the sliding plate (301), a control shaft (304) is connected inside the limiting sleeve (303) in a sliding mode, the control shaft (304) is hinged to the thimble (302) through a hinge rod (305), a threaded shaft (306) is rotatably connected at the rear end of the control shaft (304), and the threaded shaft (306) is in threaded connection with the limiting sleeve (303);

joint groove (203) have been seted up to the inside below of interior quill tube (202), annular (204) have been seted up on the top of inner quill tube (202), the inside fixed mounting of annular (204) has reset spring (205), the top fixed mounting of reset spring (205) has ring piece (206), ring piece (206) sliding connection is in the inside of joint groove (203), the inner circle fixed mounting of ring piece (206) has sliding block (207), sliding groove (208) have been seted up to the inside of annular (204), the upper surface outside fixed mounting of ring piece (206) has joint piece (209), joint piece (209) joint is in joint groove (203) of interior quill tube (202) in the outside, the upper surface inboard of ring piece (206) is equipped with spliced eye (210), thimble (302) are pegged graft in the inside of spliced eye (210).

2. An internal rotation type switching valve according to claim 1, wherein: the bottom fixed mounting of interior lantern ring (201) has the contact pin, and the contact pin rotates to be connected inside interior lantern ring (201) in the outside, and the contact pin and valve casing (1) rotation in the outside are connected.

3. An internal rotation type switching valve according to claim 1, wherein: the clamping groove (203) is divided into a groove part and a ring groove part, the depth of the groove part is the same as that of the ring groove part, and the height of the clamping block (209) is the same as that of the ring block (206).

4. An internal rotation type switching valve according to claim 1, wherein: the number of the inserting holes (210) on the ring block (206) is two, the two inserting holes (210) are symmetrically arranged, and the diameter of each inserting hole (210) is the same.

5. An internal rotation type switching valve according to claim 1, wherein: the outer fixed surface of valve casing (1) installs latch mechanism, the latch mechanism with the outer side in the joint between the lantern ring (201), the joint mode is the same with the adjacent two joint modes between the lantern ring (201).

6. An internal rotation type switching valve according to claim 1, wherein: the diameter of the inner lantern ring (201) is gradually increased, the thickness of the inner lantern ring (201) is gradually increased, and the innermost inner lantern ring (201) is in a disc shape.