CN215673664U - Stop valve with seal structure - Google Patents

Stop valve with seal structure Download PDF

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Publication number
CN215673664U
CN215673664U CN202121734212.4U CN202121734212U CN215673664U CN 215673664 U CN215673664 U CN 215673664U CN 202121734212 U CN202121734212 U CN 202121734212U CN 215673664 U CN215673664 U CN 215673664U
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China
Prior art keywords
groove
sealing
valve
thread block
fixed pipe
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CN202121734212.4U
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Chinese (zh)
Inventor
孙海东
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Wuxi Nutuoke Fluid Intelligent Control Instrument Co ltd
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Wuxi Nutuoke Fluid Intelligent Control Instrument Co ltd
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Priority to CN202121734212.4U priority Critical patent/CN215673664U/en
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Publication of CN215673664U publication Critical patent/CN215673664U/en
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Abstract

The utility model discloses a stop valve with a sealing structure, which comprises a valve body, wherein a water inlet is formed in one side of the valve body, a water outlet is formed in the other side of the valve body, a fixed pipe is fixedly connected between the water outlet and the water inlet, a first through groove is formed in the side wall of the lower end of one side of the fixed pipe, and a second through groove is formed in the side wall of the upper end of the other side of the fixed pipe. According to the utility model, the valve body is internally provided with the fixed pipe, the fixed pipe is internally provided with the first thread block with the first sealing sleeve and the second thread block with the second sealing sleeve, and the first through groove and the second through groove on the fixed pipe are sealed by the first thread block and the second thread block when the valve is used, so that the valve is in a sealing state, and substances conveyed inside the valve do not pass through the connecting part of the valve rod and the valve body, so that a worker can conveniently rotate the valve rod, and the sealing structure does not need to be frequently replaced, and the valve is more convenient.

Description

Stop valve with seal structure
Technical Field
The utility model relates to a stop valve, in particular to a stop valve with a sealing structure, and belongs to the technical field of stop valves.
Background
The shutoff valve is a valve with a very reliable shutoff action, has a relatively short opening or closing stroke, is often used as medium shutoff or adjustment and throttling, and is one of common valves.
At present used stop valve at work, utilize the sealing member to seal the passageway between water inlet and the delivery port mostly, and the part that valve rod and valve body are connected is sealed through the stopping mostly, though sealed effectual, is unfavorable for the staff to rotate the valve rod, and very easily damages, needs often to change, and is comparatively troublesome.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a stop valve with a sealing structure.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a stop valve with a sealing structure is designed, and comprises a valve body, wherein a water inlet is arranged at one side of the valve body, a water outlet is arranged at the other side of the valve body, a fixed pipe is fixedly connected between the water outlet and the water inlet, a first through groove is formed in the side wall of the lower end of one side of the fixed pipe, a second through groove is formed in the side wall of the upper end of the other side of the fixed pipe, a clamping groove is formed in part of the side wall of the valve body at the lower end of the fixed pipe, a sealing cover is clamped in the clamping groove, a sealing groove is formed in the lower end of the fixed pipe, a valve rod penetrates through the part of the side wall of the valve body at the upper end of the fixed pipe through a sealing bearing and is fixedly connected with the valve rod, the lower end of the valve rod is rotatably connected to the upper end of the sealing cover, a part of the valve rod, which is positioned in the fixed pipe, is sleeved with a first thread block and a second thread block, the first thread block is positioned above the second thread block, the outer side of the first thread block is sleeved with a first sealing sleeve fixedly connected with, the upper end of the first thread block is fixedly connected with a first screw plate, the lower end of the second thread block is fixedly connected with a second screw plate, and the outer side of the second thread block is sleeved with a second sealing sleeve fixedly connected with.
Preferably, the upper end fixedly connected with seal frame of closing cap, the seal frame joint is inside the seal groove of seting up on the fixed pipe.
Preferably, first spiral shell board and second spiral shell board are all established and threaded connection is in the inside of fixed pipe, first spiral shell board and the equal sliding connection of second spiral shell board are in the inside of fixed pipe.
Preferably, the first thread block and the second through groove are located on the same horizontal line, the width of the first thread block is larger than that of the second through groove, the second thread block and the first through groove are located on the same horizontal line, and the width of the second thread block is larger than that of the first through groove.
Preferably, the first through groove is communicated with the water inlet, and the second through groove is communicated with the inside of the water outlet.
Preferably, the sealing cover is completely embedded in the clamping groove, and four corners of the sealing cover are detachably connected to the inside of the clamping groove through fixing bolts.
The stop valve with the sealing structure has the advantages that: according to the utility model, the valve body is internally provided with the fixed pipe, the fixed pipe is internally provided with the first thread block with the first sealing sleeve and the second thread block with the second sealing sleeve, and the first through groove and the second through groove on the fixed pipe are sealed by the first thread block and the second thread block when the valve is used, so that the valve is in a sealing state, and substances conveyed inside the valve do not pass through the connecting part of the valve rod and the valve body, so that a worker can conveniently rotate the valve rod, and the sealing structure does not need to be frequently replaced, and the valve is more convenient.
Drawings
FIG. 1 is a schematic view of the internal structure of a stop valve with a sealing structure according to the present invention;
FIG. 2 is an enlarged view of the area A in FIG. 1;
FIG. 3 is a schematic structural diagram of a valve body of a stop valve with a sealing structure, which is provided by the utility model;
FIG. 4 is a schematic view of the lower end structure of a fixed pipe of a stop valve with a sealing structure according to the present invention;
fig. 5 is a schematic view of the lower end structure of a stop valve with a sealing structure according to the present invention.
In the figure: the water outlet valve comprises a valve body 1, a water inlet 2, a water outlet 3, a fixing pipe 4, a clamping groove 5, a fixing bolt 6, a sealing cover 7, a sealing groove 8, a first through groove 9, a second through groove 10, a valve rod 11, a first thread block 12, a first thread plate 13, a first sealing sleeve 14, a second thread block 15, a second thread plate 16, a second sealing sleeve 17 and a sealing frame 18.
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.
Referring to fig. 1-5, a stop valve with a sealing structure comprises a valve body 1, a water inlet 2 is arranged at one side of the valve body 1, a water outlet 3 is arranged at the other side of the valve body 1, a fixing pipe 4 is fixedly connected between the water outlet 3 and the water inlet 2, a first through groove 9 is arranged at the lower end side wall of one side of the fixing pipe 4, a second through groove 10 is arranged at the upper end side wall of the other side of the fixing pipe 4, a clamping groove 5 is arranged at the side wall of a part of the valve body 1 at the lower end of the fixing pipe 4, a sealing cover 7 is clamped inside the clamping groove 5, a sealing groove 8 is arranged at the lower end of the fixing pipe 4, a valve rod 11 is penetrated and fixedly connected with the part of the side wall of the valve body 1 at the upper end of the fixing pipe 4 through a sealing bearing, the lower end of the valve rod 11 is rotatably connected with the upper end of the sealing cover 7, and a first thread block 12 and a second thread block 15 are sleeved on the part of the valve rod 11 inside the fixing pipe 4, the first thread block 12 is located above the second thread block 15, a first sealing sleeve 14 fixedly connected with is sleeved on the outer side of the first thread block 12, a first screw plate 13 fixedly connected with the upper end of the first thread block 12, a second screw plate 16 fixedly connected with the lower end of the second thread block 15, a second sealing sleeve 17 fixedly connected with is sleeved on the outer side of the second thread block 15, and a gap between the second thread block 15 and the fixed pipe 4 can be sealed by the second sealing sleeve 17 during use, so that a sealing effect is achieved.
The upper end of the sealing cover 7 is fixedly connected with a sealing frame 18, the sealing frame 18 is clamped in a sealing groove 8 formed in the fixed pipe 4, the sealing cover 7 can be connected onto the fixed pipe 4, the fastening work after the fastening work is convenient, the first through groove 9 is communicated with the water inlet 2, the second through groove 10 is communicated with the inside of the water outlet 3, the material convenient to convey passes through the fixed pipe 4, the sealing cover 7 is completely embedded in the clamping groove 5, the four corners of the sealing cover 7 are detachably connected into the clamping groove 5 through fixing bolts 6, the disassembly is convenient to carry out after the disassembly, the inside of the fixed pipe 4 is cleaned, the first thread block 12 and the second thread block 15 are convenient to replace, the first thread block 13 and the second thread block 16 are sleeved and screwed into the fixed pipe 4, the first thread block 13 and the second thread block 16 are both slidably connected into the fixed pipe 4, the first thread block 12 and the second thread block 15 are convenient to stabilize, the phenomenon that the first thread block 12 and the second thread block 15 incline when moving is avoided, the first thread block 12 and the second through groove 10 are located on the same horizontal line, the width of the first thread block 12 is larger than that of the second through groove 10, the second thread block 15 and the first through groove 9 are located on the same horizontal line, the width of the second thread block 15 is larger than that of the first through groove 9, the first through groove 9 and the second through groove 10 are conveniently sealed, and conveyed substances are cut off
The working principle is as follows: when the valve rod 11 is turned, the valve rod 11 drives the first thread block 12 and the second thread block 15 to move in the reverse direction, the first through groove 9 and the second through groove 10 are gradually opened, then the conveyed substance enters the fixed pipe 4 through the first through groove 9 and is discharged out of the fixed pipe 4 through the second through groove 10 and flows out of the valve body 1, the conveyed substance only flows in the part of the fixed pipe 4 between the first thread block 12 and the second thread block 15 in the process, the seepage of the conveyed substance through the connecting position of the valve rod 11 and the valve body 1 can be avoided, when the valve rod 11 is turned off, the valve rod 11 can be turned in the reverse direction, the first thread block 12 and the second thread block 15 move in the opposite direction, the first through groove 9 and the second through groove 10 are sealed, and the conveyed substance is cut off, and then the valve rod 11 only needs to be turned forward or reversely.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims (6)

1. The stop valve with the sealing structure is characterized by comprising a valve body (1), wherein a water inlet (2) is arranged at one side of the valve body (1), a water outlet (3) is arranged at the other side of the valve body (1), a fixing pipe (4) is fixedly connected between the water outlet (3) and the water inlet (2), a first through groove (9) is formed in the side wall of the lower end of one side of the fixing pipe (4), a second through groove (10) is formed in the side wall of the upper end of the other side of the fixing pipe (4), a clamping groove (5) is formed in the side wall of part of the valve body (1) at the lower end of the fixing pipe (4), a sealing cover (7) is clamped in the clamping groove (5), a sealing groove (8) is formed in the lower end of the fixing pipe (4), and a valve rod (11) penetrates through a sealing bearing and is fixedly connected to the side wall of the upper end of part of the valve body (1) of the fixing pipe (4), the lower extreme of valve rod (11) rotates to be connected in the upper end of closing cap (7), the partial cover that valve rod (11) is located fixed pipe (4) inside is established and threaded connection has first screw thread piece (12) and second screw thread piece (15), first screw thread piece (12) are located the top of second screw thread piece (15), the first seal cover of fixedly connected with (14) is established and fixed connection to the outside cover of first screw thread piece (12), the first spiral shell board of upper end fixedly connected with (13) of first screw thread piece (12), the lower extreme fixedly connected with second spiral shell board (16) of second screw thread piece (15), the outside cover of second screw thread piece (15) is established and fixedly connected with second seal cover (17).
2. The stop valve with the sealing structure according to claim 1, wherein a sealing frame (18) is fixedly connected to the upper end of the sealing cover (7), and the sealing frame (18) is clamped inside a sealing groove (8) formed in the fixed pipe (4).
3. The stop valve with the sealing structure according to claim 1, wherein the first screw plate (13) and the second screw plate (16) are sleeved and screwed inside the fixed pipe (4), and the first screw plate (13) and the second screw plate (16) are slidably connected inside the fixed pipe (4).
4. The stop valve with the sealing structure according to claim 1, wherein the first thread block (12) and the second through groove (10) are located on the same horizontal line, the width of the first thread block (12) is larger than that of the second through groove (10), the width of the second thread block (15) and the first through groove (9) are located on the same horizontal line, and the width of the second thread block (15) is larger than that of the first through groove (9).
5. A stop valve with sealing structure according to claim 1, characterized in that said first through groove (9) communicates with the water inlet (2) and said second through groove (10) communicates with the interior of the water outlet (3).
6. The stop valve with the sealing structure is characterized in that the sealing cover (7) is completely embedded in the clamping groove (5), and four corners of the sealing cover (7) are detachably connected to the inside of the clamping groove (5) through fixing bolts (6).
CN202121734212.4U 2021-07-28 2021-07-28 Stop valve with seal structure Active CN215673664U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121734212.4U CN215673664U (en) 2021-07-28 2021-07-28 Stop valve with seal structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121734212.4U CN215673664U (en) 2021-07-28 2021-07-28 Stop valve with seal structure

Publications (1)

Publication Number Publication Date
CN215673664U true CN215673664U (en) 2022-01-28

Family

ID=79981927

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121734212.4U Active CN215673664U (en) 2021-07-28 2021-07-28 Stop valve with seal structure

Country Status (1)

Country Link
CN (1) CN215673664U (en)

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