CN209604583U - A kind of gate valve - Google Patents
A kind of gate valve Download PDFInfo
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- CN209604583U CN209604583U CN201920036085.7U CN201920036085U CN209604583U CN 209604583 U CN209604583 U CN 209604583U CN 201920036085 U CN201920036085 U CN 201920036085U CN 209604583 U CN209604583 U CN 209604583U
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- valve
- valve seat
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- rod
- gate
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Abstract
The utility model relates to a kind of gate valves, including valve body, valve rod, with the valve seat of valve inner two sides passway phase sealed set, between valve seat described in two sides and the valve plate that is arranged on the valve rod and handwheel for driving the valve rod to make the valve plate oscilaltion campaign that channel is intercepted or opened around own axis, the valve body, valve seat and valve plate are all made of nylon material and are made；The valve body is to be fixedly connected with valve seat, is integrally formed；The valve body of the utility model is to be fixedly connected with valve seat, is integrally formed；Then have the advantages that sound construction degree is high.
Description
Technical field
The utility model belongs to control valve for fluids technical field more particularly to a kind of gate valve.
Background technique
Valve be in the fluid system, for control the direction of fluid, pressure, flow device, be to make piping and equipment
Interior fluid flows or stops and can control the device of its flow.Valve is pressed according to structurally and functionally can be divided into many types class
Gate valve, ball valve, butterfly valve, plunger valve, diaphragm valve, plug valve etc. can be divided into according to structure, check-valves, peace can be divided into according to effect
Full valve, pressure reducing valve, drain valve etc..Wherein gate valve is an opening and closing element flashboard, and the direction of motion and flow direction of flashboard are perpendicular,
Gate valve can only make standard-sized sheet and Quan Guan.Gate valve flow resistance is small, is not likely to produce water hammer, and structure is simple, and two sides are symmetrical, is applicable in model
It encloses very wide.
Currently, valve is typically all to use made of copper or iron material, the every country of above-mentioned valve has all formulated correlation
Standard, such as National Standard of the People's Republic of China [GB/T8464-2008 is iron and copper is threadedly coupled valve].Present gate valve
Although there is longer service life using copper or the valve of iron, that there is also manufacturing process is complicated, seriously polluted,
The problem of high production cost.
In view of the above problems, therefore, it is necessary to it makes improvements.
Utility model content
The utility model is to provide a kind of simple structure and reasonable design, suitable to overcome above-mentioned defect in the prior art
Wider with range, sound construction degree is high, the gate valve and its manufacturing method of save the cost.
In order to reach the goals above, the technical scheme adopted by the utility model is a kind of gate valve, including valve body, valve rod,
With the valve seat of valve inner two sides passway phase sealed set, be located between valve seat described in two sides and be arranged in the valve rod
On valve plate and for driving the valve rod to block the valve plate oscilaltion campaign by channel around own axis
The handwheel for cutting or opening, the valve body, valve seat and valve plate are all made of nylon material and are made；The valve body and valve seat is to fix
Connection is integrally formed.
As a kind of preferred embodiment of the utility model, the valve seat includes the internal through-hole for having and being connected with channel
Seat ontology, seat body bottom portion is formed with the locating slot in concave inward structure, which is adapted with valve plate bottom and is clamped.
As a kind of preferred embodiment of the utility model, it is equipped at the top of the valve seat for the perforative valve seat of valve rod
Lid, valve seat lid are made of nylon material, and valve seat lid is fixedly connected with valve seat, are integrally formed.
As a kind of preferred embodiment of the utility model, the stem outer circumference is provided with multiple O-shaped with valve seat lid junction
Sealing ring, multiple O-ring seal are equally spaced along the length direction of the valve rod.
As a kind of preferred embodiment of the utility model, the valve rod and valve seat lid junction are provided with for preventing valve plate
The installation card that valve rod declines when unlatching, installation card are located at O-ring seal upper end.
As a kind of preferred embodiment of the utility model, there are three the O-ring seal settings.
As a kind of preferred embodiment of the utility model, the through-hole wall and two wing passage of valve inner of the seat ontology exist
In same level.
As a kind of preferred embodiment of the utility model, copper bush, brass are installed on two wing passage of valve inner
Set is internal to be formed with internal screw thread.
The beneficial effects of the utility model are:
1. the valve body of the utility model is to be fixedly connected with valve seat, it is integrally formed；Then with high excellent of sound construction degree
Point；
2. valve body, valve seat and valve plate are all made of nylon material and are made；So that the characteristic that there is the gate valve nylon material to have,
Also have the advantages that easy production, light-weight, production and transport are at low cost simultaneously；
3. multiple O-ring seals are provided in stem outer circumference and valve seat lid junction, so that the leakproofness of valve seat and valve rod
By force, the generation of leakage accident is reduced, while structure is simple, it is easy to implement and at low cost；
4. being formed with installation card on valve rod, valve rod declines when can be used for preventing valve plate from opening, and installs card and valve rod
It is connected together, for limiting the decline of valve rod；
5. the gate valve manufacturing method of the utility model has the advantages that high in machining efficiency, pollution is few, manufactured using this gate valve
Method production gate valve can reduce production cost.
Detailed description of the invention
Fig. 1 is the side view of the utility model embodiment；
Fig. 2 is the utility model embodiment main sectional view；
Fig. 3 is the utility model embodiment manufacturing method schematic diagram；
Fig. 4 is the utility model embodiment shaper structural schematic diagram；
Appended drawing reference in figure: valve body 1, valve rod 2, valve seat 3, valve plate 4, valve seat lid 5, O-ring seal 6 install card 7, copper
Bushing 8, locating core 9, handwheel 10, shaper 11, positioning plate 12, seat ontology 31, locating slot 32.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Embodiment one；
As shown in Figs. 1-2, the side view and main sectional view of a kind of gate valve provided in this embodiment；Including valve body 1, valve rod 2,
With the valve seat 3 of the 1 inside two sides passway phase sealed set of valve body, be located between valve seat 3 described in two sides and be arranged described
Valve plate 4 on valve rod 2 and for driving the valve rod 2 to make the 4 oscilaltion campaign of valve plate around own axis
The handwheel 10 that channel is intercepted or opened, the valve body 1, valve seat 3 and valve plate 4 are all made of nylon material and are made；Due to nylon
Stability of characteristics and be also able to satisfy different particular/special requirements, be widely used as the substitute of metal material, then make the applicable model of gate valve
It encloses wider.Meanwhile above-mentioned component passes through injection molding, it is clear that has compared with being manufactured and being machined using metal and is easy life
It produces, the advantage that production cost is low.
Valve body 1 is to be fixedly connected with valve seat 3, is integrally formed；The valve body of the utility model is to be fixedly connected with valve seat, one
Molding；Then have the advantages that sound construction degree is high.Effectively raise the structural strength of this gate valve entirety.
Valve seat 3 includes the seat ontology 31 of the internal through-hole for having and being connected with channel, and 31 bottom of seat ontology is formed in interior
The locating slot 32 of recessed structure, the locating slot 32 are adapted with 4 bottom of valve plate and are clamped；By adopting the above technical scheme, locating slot 32
Both through-hole with seat ontology 31 is in step-like, so that and valve plate 4 and the connection of locating slot 32 are more stable, which thereby enhance
Between bonding strength, guarantee the safety used and service life；Meanwhile the but also leakproofness that valve plate 4 is connect with valve seat 3
More preferably.
It is equipped at the top of valve seat 3 for the perforative valve seat lid 5 of valve rod 2, valve seat lid 5 is made of nylon material, valve seat lid 5
It is fixedly connected, is integrally formed with valve seat 3；Then have the advantages that sound construction degree is high, ensure that the overall structural strength of gate valve
And fastness.
In order to guarantee the leakproofness of valve rod 2 and the connection of valve seat 3, then it is provided in 2 periphery of valve rod and 5 junction of valve seat lid
Multiple O-ring seals 6, multiple O-ring seal 6 are equally spaced along the length direction of the valve rod 2；The end of valve rod 2
It is provided with circular orientation groove on face, on the embeddable circular orientation groove of O-ring seal 6, then the circular orientation groove has fixed
The effect of effect and the resigning of position O-ring seal 6；Positioning groove can also play the role of positioning to O-ring seal 6 simultaneously.In conjunction with
The length and valve rod 2 of valve rod 2 and the stability of 3 connection sealing of valve seat, it is optimal case that O-ring seal 6, which is arranged three,.
Valve seat lid 5 in the present embodiment is formed with positioning plate 12,12 phase of positioning plate is butted on valve in step-like in the middle part of valve rod 2
At the step of flap 5, positioning plate 12 is located at 6 lower end of O-ring seal, and at the same time, valve rod 2 is provided with 5 junction of valve seat lid
The installation card 7 that valve rod 2 declines when for preventing valve plate 4 from opening, installation card 7 are located at 6 upper end of O-ring seal；Pass through installation
Card 7 and positioning plate 12 are connected together with valve rod, for limiting the decline of valve rod 2.
The through-hole wall and 1 two wing passages of inside of valve body of seat ontology 31 ensure that liquid flowing in same level
Efficiency, while but also the lifting by valve plate 4 can accurately control its flow.
As shown in Figure 3-4, the manufacturing method of a kind of gate valve provided in this embodiment, includes the following steps:
Nylon material is injected separately into valve seat 3, valve plate 4 and valve seat by step 1, the production of valve seat 3, valve plate 4 and valve seat lid 5
In the molding die of lid 5, using centrifugal casting technique, difference cast molding valve seat 3, valve plate 4 and valve seat lid 5；
O-ring seal 6 is socketed on valve rod 2 by step 2, meanwhile, 2 lower rotation of valve rod connects valve plate 4, and by valve plate
4 are assemblied in valve seat 3；
Step 3, valve seat lid 5 pass through valve rod 2, and valve seat lid 5 is connected together with valve seat 3；
Step 4 is socketed with threaded locating core 9 in the through-hole outer end of the seat ontology 31 of valve seat 3, meanwhile, in valve rod 2
Shaper 11 is socketed with the outside of valve seat 3；
Step 5 on the basis of in step 4, the gate valve semi-finished product made is fixed in shaper 11, so
Afterwards, nylon material is injected in shaper 11；
Step 6 removes the external shaper and locating core 9 for being socketed in valve rod 2 and valve seat 3, and then obtains the gate valve
Finished product.
The extension of another scheme as this gate valve, is socketed with copper bush 8 in above-mentioned steps four on locating core 9, this
Sample is formed with copper bush 8 on the inside two sides passway inner wall of valve body 1.
Embodiment two；
The present embodiment two and the difference of embodiment one are, by being equipped with copper bush on 1 two wing passages of inside of valve body
8, internal screw thread is formed with inside copper bush 8；The overall structural strength and fastness for improving gate valve ensure that using safe.
Other content reference implementation example one in the present embodiment.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model；Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Although appended drawing reference in figure is used more herein: valve body 1, valve rod 2, valve seat 3, valve plate 4, valve seat lid 5 are O-shaped
Sealing ring 6 installs card 7, copper bush 8, locating core 9, handwheel 10, shaper 11, positioning plate 12, seat ontology 31, locating slot
32 equal terms, but it does not exclude the possibility of using other terms.The use of these items is only for more easily describing and
Explain the essence of the utility model；Being construed as any additional limitation is disagreed with the spirit of the present invention
's.
Claims (8)
1. a kind of gate valve, it is characterised in that: including valve body (1), valve rod (2), mutually close with the internal two sides passway of the valve body (1)
It seals the valve seat (3) of setting, be located at valve plate (4), the Yi Jiyong between valve seat (3) described in two sides and being arranged on the valve rod (2)
Make the valve plate (4) oscilaltion campaign that channel is intercepted or opened around own axis in the driving valve rod (2)
Handwheel (10), the valve body (1), valve seat (3) and valve plate (4) are all made of nylon material and are made；The valve body (1) and valve
Seat (3) is to be fixedly connected, and is integrally formed.
2. a kind of gate valve according to claim 1, it is characterised in that: the valve seat (3) includes that inside has and channel
The seat ontology (31) for the through-hole being connected, seat ontology (31) bottom are formed with the locating slot (32) in concave inward structure, the locating slot
(32) it is adapted and is clamped with valve plate (4) bottom.
3. a kind of gate valve according to claim 1 or 2, it is characterised in that: be equipped at the top of the valve seat (3) for valve
The perforative valve seat lid (5) of bar (2), valve seat lid (5) are made of nylon material, and valve seat lid (5) is fixedly connected with valve seat (3), and one
It is body formed.
4. a kind of gate valve according to claim 3, it is characterised in that: valve rod (2) periphery and valve seat lid (5) junction
It is provided with multiple O-ring seals (6), multiple O-ring seal (6) is equidistantly divided along the length direction of the valve rod (2)
Cloth.
5. a kind of gate valve according to claim 4, it is characterised in that: the valve rod (2) and valve seat lid (5) junction are arranged
There is the installation card (7) that valve rod (2) declines when for preventing valve plate (4) from opening, installation card (7) is located on O-ring seal (6)
End.
6. a kind of gate valve according to claim 5, it is characterised in that: there are three O-ring seal (6) settings.
7. a kind of gate valve according to claim 2, it is characterised in that: the through-hole wall and valve body of the seat ontology (31)
(1) internal two wing passages are in same level.
8. a kind of gate valve according to claim 7, it is characterised in that: be equipped on internal two wing passages of the valve body (1)
Copper bush (8), copper bush (8) is internal to be formed with internal screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920036085.7U CN209604583U (en) | 2019-01-09 | 2019-01-09 | A kind of gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920036085.7U CN209604583U (en) | 2019-01-09 | 2019-01-09 | A kind of gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209604583U true CN209604583U (en) | 2019-11-08 |
Family
ID=68398774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920036085.7U Active CN209604583U (en) | 2019-01-09 | 2019-01-09 | A kind of gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209604583U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109780242A (en) * | 2019-01-09 | 2019-05-21 | 何建初 | A kind of gate valve and its manufacturing method |
-
2019
- 2019-01-09 CN CN201920036085.7U patent/CN209604583U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109780242A (en) * | 2019-01-09 | 2019-05-21 | 何建初 | A kind of gate valve and its manufacturing method |
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