CN107575585B - Tank bottom valve of emulsion tank - Google Patents
Tank bottom valve of emulsion tank Download PDFInfo
- Publication number
- CN107575585B CN107575585B CN201711004586.9A CN201711004586A CN107575585B CN 107575585 B CN107575585 B CN 107575585B CN 201711004586 A CN201711004586 A CN 201711004586A CN 107575585 B CN107575585 B CN 107575585B
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- Prior art keywords
- vertical rod
- valve
- cutting frame
- joint
- wall
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- 239000000839 emulsion Substances 0.000 title claims description 5
- 210000004907 gland Anatomy 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 6
- 238000012856 packing Methods 0.000 claims description 4
- 230000001154 acute effect Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 239000004816 latex Substances 0.000 abstract description 16
- 229920000126 latex Polymers 0.000 abstract description 16
- 239000000463 material Substances 0.000 abstract description 6
- 238000004513 sizing Methods 0.000 abstract description 3
- 229920001971 elastomer Polymers 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
Landscapes
- Lift Valve (AREA)
Abstract
The invention provides a tank bottom valve of a latex tank, which solves the problem that in the prior art, the tank bottom valve is unreasonable in design, so that latex is easy to remain; the valve rod consists of a piston, a cutting frame and a gland, the piston is formed by integrating an upper top valve and a vertical rod, the vertical rod is positioned in the inlet channel, the gland is fixed on the vertical rod, the cutting frame is sleeved on the vertical rod, and the cutting frame is positioned between the upper top valve and the gland; on the cross section, the outer wall of the cutting frame is in a forward conical shape; a diversion block is designed in the tank bottom valve, and the top end of the diversion block is provided with an arc concave slope surface, so that the sizing material flows in axially and flows out radially.
Description
Technical Field
The invention relates to the field of valves, in particular to a tank bottom valve of a latex tank.
Background
The tank bottom valve is an opening and closing device designed at the tank bottom, and is mainly used for occasions with higher pharmacy or sanitary level, such as a rubber tank for producing condoms, the valve rod of the tank bottom valve of the rubber tank is a piston, the latex viscosity is high, in the market, an inlet channel of the tank bottom valve is perpendicular to a discharge pipeline, a forward conical guide piece is designed at the communication position of the inlet pipeline and the discharge pipeline, the shaft part of the piston penetrates through the axis of the guide piece, the guide piece is designed into a forward conical shape, so that the latex is easy to discharge, a gap exists between the inlet pipeline and the guide piece, the latex is easy to remain, the residual rubber exists at the gap, difficulty is brought to cleaning, and the latex produced next time is polluted by bacteria.
Disclosure of Invention
The invention provides a tank bottom valve of a latex tank, which solves the problem that emulsion sizing materials are easy to remain due to unreasonable design of the tank bottom valve in the prior art.
The technical scheme of the invention is realized as follows: the tank bottom valve of the latex tank comprises a valve body, a valve rod and a hand wheel fixed at the bottom end of the valve rod, wherein the top end of the valve body is provided with a flange plate which is fixed on the outer surface of a discharge port at the bottom end of the latex tank, the valve body is provided with an inlet channel and a liquid discharge channel communicated with the inlet channel,
The center of the flange plate is provided with a discharge hole, the inner diameter of the top end of the discharge hole is larger than the inner diameter of the bottom end of the discharge hole, and the inner wall of the discharge hole is in an inverted cone shape on the cross section;
The valve rod consists of a piston, a cutting frame and a gland, the piston is formed by integrating an upper top valve and a vertical rod, the vertical rod is positioned in the inlet channel, the gland is fixed on the vertical rod, the cutting frame is sleeved on the vertical rod, and the cutting frame is positioned between the upper top valve and the gland; on the cross section, the outer wall of the cutting frame is in a forward conical shape;
The outer wall of the cutting frame in a forward taper shape is matched with the inner wall of the discharging hole in an inverse taper shape;
A guide block which is matched with the inner diameter of the valve body is arranged in the valve body, and the guide block is fixed on the vertical rod;
The axial lead of the flow guide block is provided with two shaft holes from top to bottom, and the vertical rod penetrates through the two shaft holes;
the top end of the flow guide block is provided with a flow guide surface which is a concave-curved slope surface, and an included angle between a bisector of the slope surface and a horizontal line is an acute angle;
the guide block is provided with a guide edge which is butted with the bottom wall of the liquid discharge channel.
As a preferable technical scheme, the device also comprises a locking device fixed at the bottom end of the vertical rod.
As an optimized technical scheme, the locking device is composed of an outer joint, a locking nut fixed at the top end of the outer joint, an inner joint and a self-locking piece clamped between the inner joint and the locking nut, wherein the inner joint is fixed in the outer joint, the inner joint, the self-locking piece and the locking nut are sequentially sleeved on the vertical rod from inside to outside, and the outer joint is positioned right above the hand wheel;
on the cross section, the top of the side wall of the self-locking part is provided with a forward conical surface;
The inside of the self-locking piece is provided with a flange which is matched with the forward conical surface.
As an optimal technical scheme, the top end of the outer joint is provided with an external thread, and the locking nut is provided with an internal thread matched with the external thread;
The bottom end of the inner wall of the outer joint is provided with a step groove, and the step groove is a first groove positioned at the top end and a second groove positioned at the bottom end respectively;
A bearing is arranged in the first groove and is clamped on the outer surface of the vertical rod;
a screw is fixed at the bottom end of the positive axis of the vertical rod;
a fine tooth screw cap with a plugging function is arranged in the second groove;
the hand wheel is fixedly connected with the screw through a bolt.
As the preferable technical scheme, two shaft holes are arranged in a step mode, the two shaft holes are respectively a first shaft hole at the top end and a second shaft hole at the bottom end, the aperture of the first shaft hole is matched with the diameter of the vertical rod part, and the aperture of the second shaft hole is larger than that of the first shaft hole.
As the preferable technical scheme, two annular grooves are arranged in the first shaft hole, so that the O-shaped sealing ring is convenient to install;
And a plurality of tetrafluoro packing is sleeved in the second shaft hole.
As a preferable technical scheme, the included angle between the bisector of the slope and the horizontal line is 20-30 degrees.
As a preferable technical scheme, the inner surface of the outer joint is provided with a first rough thread, and the inner joint is provided with a second rough thread matched with the first rough thread.
Compared with the background technology, the invention has the beneficial effects that:
1) The tank bottom valve is internally provided with a flow guide block, the top end of the flow guide block is provided with an arc concave slope surface, so that rubber material axially flows in and radially flows out, the guiding edge of the concave slope surface is communicated with the bottom end of the pipe wall of the discharge channel, latex material rapidly flows out, the flow guide block is matched with the inner diameter of the valve body, the outflow of the latex material is facilitated, and the axis of the flow guide block is provided with two shaft holes with sealing effect, so that latex leakage is prevented.
2) The valve rod is designed into a structure with a cutting function, the cutting surface of the cutting frame and the inner wall of the discharge hole on the flange plate form two inclined surfaces which are matched with each other, the sealing performance of the tank bottom valve is good due to the matched relation, meanwhile, large particle sizing materials staying in the inlet channel can be cut, and the cutting frame is clamped between the upper top valve and the gland, so that once the cutting surface of the cutting frame is damaged, the sealing performance of the tank bottom valve is affected, the tank bottom valve can be replaced at any time, and the design is unique.
3) The hand wheel is connected with the outer joint, the top end of the outer joint is movably connected with the lock nut by means of internal and external threads, the outer surface of the vertical rod is sleeved with the inner joint, a matched surface is arranged between the self-locking piece and the lock nut, when the self-locking nut is screwed, the self-locking piece is tightly clamped between the vertical rod and the self-locking nut, the clamping is firm, the sealing effect is good, the operation is simple, and the use is convenient.
4) The hand wheel is connected with the axis of the vertical rod of the piston through one bolt, and the bearing is sleeved on the outer surface of the vertical rod, so that the rotation of the vertical rod drives the inner joint to rotate, the design of the bearing enables the abrasion of the vertical rod to be small, the service life of the vertical rod to be long, the hand wheel is connected with the vertical rod through one bolt, the associativity of all parts is strong, and the thin thread nuts seal all the parts from the inside of the outer joint, so that the design is unique.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the structure of the upper top valve of the present invention;
FIG. 3 is an enlarged schematic view of FIG. 1 at A;
FIG. 4 is an enlarged schematic view of FIG. 1 at B;
FIG. 5 is a schematic view of the structure of the guide block of the present invention;
FIG. 6 is a schematic diagram of a diverter block according to the present invention in semi-section;
Fig. 7 is a schematic structural view of the fine tooth nut of the present invention.
In the figure: 1-a valve body; 2-a hand wheel; 3-a flow guiding block; 4-a liquid discharge channel; 5-an outer joint; 6-an inner joint; 7-a vertical rod; 8-locking nuts; 9-a self-locking piece; 10-a fine tooth nut; 11-screws; 12-a bearing; 13-a second shaft hole; 14-a first shaft hole; 15-a cutting rack; 16-upper valve body; 17-gland.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 7, a tank bottom valve of a latex tank comprises a valve body 1, a valve rod and a hand wheel 2 fixed at the bottom end of the valve rod, wherein the top end of the valve body 1 is provided with a flange plate, the flange plate is fixed on the outer surface of a discharge hole at the bottom end of the latex tank, the valve body 1 is provided with an inlet channel and a liquid discharge channel 4 communicated with the inlet channel,
The center of the flange plate is provided with a discharge hole, the inner diameter of the top end of the discharge hole is larger than the inner diameter of the bottom end, and the inner wall of the discharge hole is in an inverted cone shape on the cross section;
the valve rod consists of a piston, a cutting frame 15 and a gland 17, the piston is formed by integrating an upper top valve 16 and a vertical rod 7, the vertical rod 7 is positioned in an entering channel, the gland 17 is fixed on the vertical rod 7, the cutting frame 15 is sleeved on the vertical rod 7, and the cutting frame 15 is positioned between the upper top valve 16 and the gland 17; in cross section, the outer wall of the cutting frame 15 is in a forward taper;
the outer wall of the cutting frame 15 with the forward taper is matched with the inner wall of the discharging hole with the reverse taper;
A boss is arranged on the top end surface of the cutting frame 15, and a ruffle matched with the boss is arranged on the bottom end surface of the upper top valve 16; an annular groove is formed in the bottom end face of the cutting frame 15, so that the gland can be conveniently clamped in; the center of the gland is provided with a hole, the inner wall of the hole is provided with internal threads, and the vertical rod 7 is provided with external threads matched with the internal threads.
A guide block 3 which is matched with the inner diameter of the valve body 1 is arranged in the valve body 1, and the guide block 3 is fixed on a vertical rod 7;
The axial lead of the flow guide block 3 is provided with two shaft holes from top to bottom, the vertical rod 7 passes through the two shaft holes, the two shaft holes are arranged in a step form, the two shaft holes are respectively a first shaft hole 14 positioned at the top end and a second shaft hole 13 positioned at the bottom end, the aperture of the first shaft hole 14 is matched with the diameter of the vertical rod 7, and the aperture of the second shaft hole 13 is larger than the aperture of the first shaft hole 14;
The top end of the flow guiding block 3 is provided with a flow guiding surface which is a concave curved slope, the included angle between the bisector of the slope and the horizontal line is an acute angle, in practice, the included angle between the bisector of the slope and the horizontal line is 20-30 degrees, the concave surface at the axis of the slope is the lowest, and the slope is designed to be high on one side and low on the other side in the vertical direction, and the low position is the glue outflow end;
the guide block 3 is provided with a leading-out edge which is butted with the bottom wall of the liquid discharge channel 4.
Two annular grooves are formed in the first shaft hole 14, so that an O-shaped sealing ring can be conveniently installed; a plurality of tetrafluoro packing is sleeved in the second shaft hole 13. The O-shaped sealing ring and the tetrafluoro packing play a role in sealing, and the latex is prevented from leaking along the vertical rod part.
The locking device is fixed at the bottom end of the vertical rod.
The locking device comprises an outer joint 5, a locking nut 8 fixed at the top end of the outer joint 5, an inner joint 6 and a self-locking piece 9 clamped between the inner joint 6 and the locking nut 8, wherein the inner joint 6 is fixed in the outer joint 5, the inner joint 6, the self-locking piece 9 and the locking nut 8 are sequentially sleeved on a vertical rod 7 from inside to outside, and the outer joint 5 is positioned right above the hand wheel 2. The inner surface of the outer joint 5 is provided with a first coarse thread, and the inner joint 6 is provided with a second coarse thread matched with the first coarse thread.
On the cross section, the top of the side wall of the self-locking piece 9 is provided with a forward conical surface; the inner part of the self-locking member 9 is provided with a flange which is matched with the forward conical surface.
The bottom of the lock nut 8 is provided with an internal thread, and the top of the outer joint 5 is provided with an external thread matched with the internal thread.
When the locking is needed, the locking nut 8 is screwed, the self-locking piece 9 is tightly clamped between the vertical rod 7 and the locking nut 8, and the outer joint 5 is tightly matched with the vertical rod 7; when to be released, the operation is reversed.
The bottom end of the vertical rod 7 is sleeved with an inner joint 6, and the outer part of the inner joint 6 is fixedly connected with an outer joint 5;
the inside of the outer joint 5 is provided with a step groove, and the step groove is a first groove positioned at the top end and a second groove positioned at the bottom end respectively;
a bearing 12 is arranged in the first groove, and the bearing 12 is clamped on the outer surface of the vertical rod 7;
The screw 11 is fixed at the bottom end of the positive axis of the vertical rod 7;
a fine tooth screw cap 10 with a plugging function is arranged in the second groove;
The hand wheel 2 is fixedly connected with the screw 11 through a bolt.
The fine tooth screw cap 10 is hollow, and is provided with a bolt hole on the bottom end surface, so that the bolt can pass through conveniently. Bolts on the hand wheel 2 pass through the bolt holes and are fixedly connected with the bolts 11, so that the linkage property of the hand wheel 2 and the vertical rod 7 is ensured.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (1)
1. The utility model provides a tank bottom valve of emulsion jar, includes valve body, valve rod, fixes the hand wheel of valve rod bottom, the top of valve body is equipped with the ring flange, the ring flange is fixed on the surface of emulsion tank bottom discharge gate, be equipped with on the valve body enter the passageway, with enter the flowing back passageway that the passageway switches on, its characterized in that:
The center of the flange plate is provided with a discharge hole, the inner diameter of the top end of the discharge hole is larger than the inner diameter of the bottom end of the discharge hole, and the inner wall of the discharge hole is in an inverted cone shape on the cross section;
The valve rod consists of a piston, a cutting frame and a gland, the piston is formed by integrating an upper top valve and a vertical rod, the vertical rod is positioned in the inlet channel, the gland is fixed on the vertical rod, the cutting frame is sleeved on the vertical rod, and the cutting frame is positioned between the upper top valve and the gland;
on the cross section, the outer wall of the cutting frame is in a forward conical shape;
The outer wall of the cutting frame in a forward taper shape is matched with the inner wall of the discharging hole in an inverse taper shape;
A guide block which is matched with the inner diameter of the valve body is arranged in the valve body, and the guide block is fixed on the vertical rod;
The axial lead of the flow guide block is provided with two shaft holes from top to bottom, and the vertical rod penetrates through the two shaft holes;
The top end of the flow guide block is provided with a flow guide surface which is a concave-curved slope surface, and an included angle between a bisector of the slope surface and a horizontal line is an acute angle; the guide block is provided with a guide edge which is butted with the bottom wall of the liquid discharge channel; the locking device is composed of an outer joint, a locking nut fixed at the top end of the outer joint, an inner joint and a self-locking piece clamped between the inner joint and the locking nut, wherein the inner joint is fixed in the outer joint, the inner joint, the self-locking piece and the locking nut are sequentially sleeved on the vertical rod from inside to outside, and the outer joint is positioned right above the hand wheel;
on the cross section, the top of the side wall of the self-locking part is provided with a forward conical surface; a flange matched with the forward conical surface is arranged in the self-locking piece;
The top end of the outer joint is provided with an external thread, and the lock nut is provided with an internal thread matched with the external thread;
The bottom end of the inner wall of the outer joint is provided with a step groove, and the step groove is a first groove positioned at the top end and a second groove positioned at the bottom end respectively;
A bearing is arranged in the first groove and is clamped on the outer surface of the vertical rod;
a screw is fixed at the bottom end of the positive axis of the vertical rod;
a fine tooth screw cap with a plugging function is arranged in the second groove;
the hand wheel is fixedly connected with the screw through a bolt;
the two shaft holes are arranged in a step mode, the two shaft holes are a first shaft hole positioned at the top end and a second shaft hole positioned at the bottom end respectively, the aperture of the first shaft hole is matched with the diameter of the vertical rod part, and the aperture of the second shaft hole is larger than that of the first shaft hole;
two annular grooves are formed in the first shaft hole, so that the O-shaped sealing ring can be conveniently installed;
A plurality of tetrafluoro packing is sleeved in the second shaft hole;
the included angle between the bisector of the slope and the horizontal line is 20-30 degrees;
The inner surface of the outer joint is provided with a first rough thread, and the inner joint is provided with a second rough thread matched with the first rough thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711004586.9A CN107575585B (en) | 2017-10-25 | 2017-10-25 | Tank bottom valve of emulsion tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711004586.9A CN107575585B (en) | 2017-10-25 | 2017-10-25 | Tank bottom valve of emulsion tank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107575585A CN107575585A (en) | 2018-01-12 |
| CN107575585B true CN107575585B (en) | 2024-05-24 |
Family
ID=61037304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711004586.9A Active CN107575585B (en) | 2017-10-25 | 2017-10-25 | Tank bottom valve of emulsion tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107575585B (en) |
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| CN2175854Y (en) * | 1993-07-17 | 1994-08-31 | 谢聪荣 | Fully opening-closing fluid controlling valve structure |
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| CN204533598U (en) * | 2015-01-23 | 2015-08-05 | 武汉伯斯特阀门集团有限公司 | High wear-resistant cast stone slag-off valve |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107575585A (en) | 2018-01-12 |
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