CN216715391U

CN216715391U - Stop valve is with high dustproof lead screw

Info

Publication number: CN216715391U
Application number: CN202122839624.0U
Authority: CN
Inventors: 杨斌; 朱兴航; 江毅
Original assignee: Hubei Dinglin Hardware Products Co ltd
Current assignee: Hubei Dinglin Hardware Products Co ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-06-10
Anticipated expiration: 2031-11-19

Abstract

The utility model discloses a high dustproof screw rod for a stop valve, wherein a cleaning mechanism comprises a support and symmetrically arranged fixing strips, the bottom of the support is fixedly connected with the top of a valve body, the inside of the support is rotatably connected with a screw rod of the valve body in a penetrating manner, the outer surfaces of the two fixing strips are fixedly connected with the inside of the support in a penetrating manner, the inner surfaces of the fixing strips are movably connected with sealing strips, the tops of the sealing strips are fixedly connected with contact rods, and the inside of the fixing strips is provided with a through chute. This stop valve is with high dustproof lead screw, through setting up clean mechanism, the inlet tube is linked together with external washing liquid, and the contact lever slides in the spout is inside and drives the sealing strip and slide in the fixed strip for the channel position changes inlet tube and outlet pipe intercommunication, and the washing liquid spouts to the lead screw surface through the outlet pipe and cleans it, has solved the problem that current stop valve lead screw is infected with the dust easily and leads to the valve body to damage through the combination of above-mentioned structure.

Description

Stop valve is with high dustproof lead screw

Technical Field

The utility model relates to the technical field of stop valves, in particular to a high dustproof screw rod for a stop valve.

Background

The stop valve is also called stop valve, belonging to forced sealing type valve, so when the valve is closed, it must apply pressure to valve clack to force sealing surface not to leak, when the medium is fed into the valve from below the valve clack, the resistance force which must be overcome by operation force is the friction force of valve stem and packing material and the thrust force produced by pressure of medium, the force for closing the valve is greater than the force for opening the valve, so the diameter of valve stem is greater, otherwise the failure of stem top bending can occur.

The opening and closing of the stop valve can involve the inlet and outlet of the screw rod in the valve body, the screw rod is exposed to dust when the screw rod is outside, the dust follows the screw rod and enters the valve body, the screw thread of the screw rod is easily damaged when the dust enters the valve body, the sealing performance of the valve body is reduced, meanwhile, the dust can cause the damage of the valve body and the pollution of water quality in the valve body, and therefore the device is needed to be provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a high dustproof screw rod for a stop valve, which solves the problem that the screw rod of the existing stop valve is easily polluted by dust to cause the damage of a valve body.

In order to achieve the purpose, the utility model is realized by the following technical scheme: the high dustproof screw rod for the stop valve comprises a valve body, wherein a cleaning mechanism is arranged outside the valve body.

The cleaning mechanism comprises a support and symmetrically arranged fixing strips, the bottom of the support is fixedly connected with the top of the valve body, the inside of the support is connected with a screw rod of the valve body in a penetrating and rotating manner, the outer surfaces of the two fixing strips are fixedly connected with the inside of the support in a penetrating manner, the inner surfaces of the fixing strips are movably connected with a sealing strip in a penetrating manner, the top of the sealing strip is fixedly connected with a contact rod, the inside of the fixing strip is provided with a penetrating chute, the contact rod is movably connected with the inner surface of the chute through a cleaning assembly, the inner surfaces of the fixing strips are respectively communicated with a water inlet pipe and a water outlet pipe in a penetrating manner, the outer surfaces of the water inlet pipe and the water outlet pipe are fixedly connected with the inside of the support in a penetrating manner, the inside of the channel is respectively communicated with the insides of the water inlet pipe and the water outlet pipe, and the left side and the right side of the outer surface of the sealing strip are both fixedly connected with telescopic rods, two the one end that the telescopic link was kept away from each other all with the inner wall fixed connection of fixed strip, two the surface of telescopic link all is equipped with the spring.

Preferably, the clearance subassembly is including changeing cover and bull stick, the surface of changeing the cover is run through with the inside of support and is rotated and be connected, the surface of bull stick and the inner wall swing joint who changes the cover, the fixed surface of changeing the cover is connected with the spacing ring, the surface of spacing ring and the inside of support run through to rotate and be connected.

Preferably, the outer fixed surface of bull stick is connected with the card strip, the draw-in groove has been seted up to the inside of commentaries on classics cover, the surface of card strip and the internal surface looks joint of draw-in groove.

Preferably, the outer surface of the rotating rod is in threaded connection with a spiral ring, and the outer surface of the spiral ring is movably connected with the clamping strip, the rotating sleeve and the top of the bracket respectively.

Preferably, the outer surface of the spiral ring is fixedly connected with a shifting lever, and the outer surface of the shifting lever is movably connected with the outer surface of the contact rod.

Preferably, the outer surface of the rotating rod is provided with a cleaning plate, and the outer surface of the cleaning plate is movably connected with the screw rod of the valve body.

Advantageous effects

The utility model provides a high dustproof screw rod for a stop valve. Compared with the prior art, the method has the following beneficial effects:

(1) this stop valve is with high dustproof lead screw, through setting up clean mechanism, the inlet tube is linked together with external washing liquid, thereby the contact lever slides in the spout is inside to drive the sealing strip and slides in the fixed strip, thereby make the passageway position change with inlet tube and outlet pipe intercommunication, thereby the washing liquid spouts to the lead screw surface through the outlet pipe and cleans it, simultaneously the sealing strip can compress the spring of controlling when the motion, the spring makes the sealing strip reset through elasticity, thereby make the passageway disconnection intercommunication stop clean, thereby the problem that current stop valve lead screw is infected with the dust easily and leads to the valve body to damage has been solved through the combination of above-mentioned structure.

(2) This stop valve is with high dustproof lead screw, through setting up the clearance subassembly, when the lead screw rotates on the valve body, brush hair cooperation washing liquid on the clearance board cleans the lead screw surface, and the clearance board moves the bull stick and rotates simultaneously for the bull stick passes through the spiro and drives the driving lever rotation, and the driving lever motion is through contacting with the contact lever contact, makes the sealing strip slide in the fixed strip is inside, has solved the problem that current stop valve lead screw is infected with the dust easily and leads to the valve body to damage through the combination of above-mentioned structure.

Drawings

FIG. 1 is a perspective view of the external structure of the present invention;

FIG. 2 is an exploded view of the internal structure of the fixing bar of the present invention;

fig. 3 is an exploded view of the outer structure of the rotating rod of the present invention.

In the figure: 1-valve body, 2-cleaning mechanism, 21-bracket, 22-fixed strip, 23-sealing strip, 24-contact rod, 25-chute, 26-cleaning component, 261-rotating sleeve, 262-rotating rod, 263-spacing ring, 264-cleaning plate, 265-clamping strip, 266-clamping groove, 267-spiral ring, 268-deflector rod, 27-water inlet pipe, 28-water outlet pipe, 29-channel, 210-telescopic rod and 211-spring.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a high dustproof screw rod for a stop valve comprises a valve body 1, wherein the valve body 1 is the stop valve, and a cleaning mechanism 2 is arranged outside the valve body 1; the cleaning mechanism 2 comprises a support 21 and symmetrically arranged fixing strips 22, the bottom of the support 21 is fixedly connected with the top of the valve body 1, the inside of the support 21 is in penetrating and rotating connection with a screw rod of the valve body 1, the outer surfaces of the two fixing strips 22 are both in penetrating and fixed connection with the inside of the support 21, the inner surface of each fixing strip 22 is movably connected with a sealing strip 23, each sealing strip 23 is made of a material with good sealing performance and is tightly attached to the inside of the corresponding fixing strip 22, the top of each sealing strip 23 is fixedly connected with a contact rod 24, the inside of each fixing strip 22 is provided with a through sliding groove 25, each contact rod 24 is movably connected with the inner surface of each sliding groove 25 through a cleaning assembly 26, the inner surfaces of the fixing strips 22 are respectively penetrated and communicated with a water inlet pipe 27 and a water outlet pipe 28, the water inlet pipe 28 is communicated with external cleaning liquid, one end of each water outlet pipe faces the surface of the screw rod of the valve body 1, the outer surfaces of the water inlet pipe 27 and the water outlet pipe 28 are both in penetrating and fixed connection with the inside of the support 21, the inside of the sealing strip 23 is provided with a through channel 29, the inner diameter of the channel 29 is the same as the inner diameters of the water inlet pipe 27 and the water outlet pipe 28, the inside of the channel 29 is respectively communicated with the insides of the water inlet pipe 27 and the water outlet pipe 28, the left side and the right side of the outer surface of the sealing strip 23 are fixedly connected with telescopic rods 210, the ends, far away from each other, of the two telescopic rods 210 are fixedly connected with the inner wall of the fixed strip 22, the outer surfaces of the two telescopic rods 210 are respectively sleeved with a spring 211, the cleaning assembly 26 comprises a rotary sleeve 261 and a rotary rod 262, the outer surface of the rotary sleeve 261 is in penetrating and rotating connection with the inside of the bracket 21, the outer surface of the rotary rod 262 is movably connected with the inner wall of the rotary sleeve 261, the outer surface of the rotary sleeve 261 is fixedly connected with a limiting ring 263, the outer surface of the limiting ring 263 is in penetrating and rotating connection with the inside of the bracket 21, the outer surface of the rotary rod 262 is fixedly connected with a clamping strip 265, the inside of the rotary sleeve 261 is provided with a clamping groove 266, the outer surface of the clamping strip 265 is clamped with the inner surface of the clamping groove 266, the outer surface threaded connection of bull stick 262 has spiro 267, the surface of spiro 267 is respectively with card strip 265, the top swing joint of commentaries on classics cover 261 and support 21, the outer fixed surface of spiro 267 is connected with driving lever 268, the surface of driving lever 268 and the surface swing joint of contact lever 24, the surface of bull stick 262 is provided with clearance board 269, clearance board 296 is connected with bull stick 262 through the mode that bonds, and the one side that clearance board 264 and lead screw contacted is provided with the brush hair, the surface of clearance board 269 and the lead screw swing joint of valve body 1.

And those not described in detail in this specification are well within the skill of those in the art.

During operation, when the screw rod rotates on valve body 1, brush hair cooperation washing liquid on clearance board 264 cleans the screw rod surface, clearance board 264 drives bull stick 262 simultaneously and rotates, make bull stick 262 drive driving lever 268 through spiro 267 and rotate, driving lever 268 moves through contacting with contact lever 24, make sealing strip 23 slide in fixed strip 22 inside, sealing strip 23 slides in fixed strip 22 inside, thereby make 29 position changes of passageway 27 and outlet pipe 28 intercommunication, the washing liquid thereby spout to the screw rod surface through outlet pipe 28 and clean it, sealing strip 23 can compress spring 211 about when the motion simultaneously, spring 211 makes sealing strip 23 reset through elasticity, thereby make 29 disconnection intercommunications of passageway stop clean.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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. The utility model provides a stop valve is with high dustproof lead screw, includes valve body (1), its characterized in that: a cleaning mechanism (2) is arranged outside the valve body (1);

the cleaning mechanism (2) comprises a support (21) and fixing strips (22) symmetrically arranged, the bottom of the support (21) is fixedly connected with the top of the valve body (1), the inside of the support (21) is connected with a screw rod of the valve body (1) in a penetrating and rotating mode, the outer surface of each fixing strip (22) is fixedly connected with the inside of the support (21) in a penetrating mode, a sealing strip (23) is movably connected to the inner surface of the fixing strip (22), a contact rod (24) is fixedly connected to the top of the sealing strip (23), a through sliding groove (25) is formed in the fixing strip (22), the contact rod (24) is movably connected with the inner surface of the sliding groove (25) through a cleaning assembly (26), the inner surface of the fixing strip (22) is respectively communicated with a water inlet pipe (27) and a water outlet pipe (28), the outer surfaces of the water inlet pipe (27) and the water outlet pipe (28) are fixedly connected with the inside of the support (21) in a penetrating mode, the inside of sealing strip (23) is seted up passageway (29) that link up, the inside of passageway (29) is linked together with the inside of inlet tube (27) and outlet pipe (28) respectively, the equal fixedly connected with telescopic link (210) of the left and right sides of sealing strip (23) surface, two the one end that telescopic link (210) kept away from each other all with the inner wall fixed connection of fixed strip (22), two the surface of telescopic link (210) all overlaps and is equipped with spring (211).

2. The high dustproof screw rod for the stop valve according to claim 1, characterized in that: clearance subassembly (26) are including changeing cover (261) and bull stick (262), the surface of changeing cover (261) and the inside of support (21) are run through to rotate and are connected, the surface of bull stick (262) and the inner wall swing joint who changes cover (261), the fixed surface of changeing cover (261) is connected with spacing ring (263), the surface of spacing ring (263) and the inside of support (21) run through to rotate and be connected.

3. The high dustproof screw rod for the stop valve according to claim 2, characterized in that: the outer surface fixedly connected with card strip (265) of bull stick (262), draw-in groove (266) have been seted up to the inside of commentaries on classics cover (261), the surface of card strip (265) and the internal surface looks joint of draw-in groove (266).

4. The high dustproof screw rod for the stop valve according to claim 2, characterized in that: the outer surface of the rotating rod (262) is in threaded connection with a spiral ring (267), and the outer surface of the spiral ring (267) is movably connected with the clamping strip (265), the rotating sleeve (261) and the top of the support (21) respectively.

5. The high dustproof screw rod for the stop valve according to claim 4, characterized in that: the outer surface of the spiral ring (267) is fixedly connected with a deflector rod (268), and the outer surface of the deflector rod (268) is movably connected with the outer surface of the contact rod (24).

6. The high dustproof screw rod for the stop valve according to claim 2, characterized in that: the outer surface of the rotating rod (262) is provided with a cleaning plate (264), and the outer surface of the cleaning plate (264) is movably connected with the screw rod of the valve body (1).