CN208535209U - Rotary seal valve - Google Patents

Rotary seal valve Download PDF

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Publication number
CN208535209U
CN208535209U CN201821055619.2U CN201821055619U CN208535209U CN 208535209 U CN208535209 U CN 208535209U CN 201821055619 U CN201821055619 U CN 201821055619U CN 208535209 U CN208535209 U CN 208535209U
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China
Prior art keywords
valve
spool
rotary seal
installation cavity
cylinder
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CN201821055619.2U
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Chinese (zh)
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张鼎
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Individual
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Individual
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Priority to CN201821055619.2U priority Critical patent/CN208535209U/en
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  • Taps Or Cocks (AREA)
  • Multiple-Way Valves (AREA)

Abstract

This application discloses rotary seal valves, including ontology, installation cavity is provided in ontology, and water inlet and water outlet are provided on ontology, water inlet and water outlet are communicated with installation cavity, are further included the spool with taper rotary table figure, are provided with through-hole on the spool, valve core rotation is sealingly mounted in installation cavity, and the spool is closed by the rotation of itself to control water inlet and the logical of water outlet.The utility model has the following beneficial effects: spool machining accuracy is high, even closer with the cooperation of valve body, the service life is longer, and antileaking;And it is quick and easy for installation.

Description

Rotary seal valve
Technical field
The utility model relates to valve field more particularly to a kind of rotary seal valves.
Background technique
Valve has very important application in our daily lifes, our structures of common valve are such as Shown in CN2010201281315, we are often called globe valve to this valve, because this valve relies primarily on turning for ball valve core Move the opening and closing to realize valve.It is well known that the sealing effect of valve and the machining accuracy of spool are highly relevant, and add in milling In work (present spool (either metal material or plastic material) is all utilize Milling Process), in Milling Process In, spherical is most unmanageable, and mismachining tolerance is also the largest, so present globe valve is often being easy to appear leak Phenomenon.The split type structure of traditional valve core and valve rod, because there is multiple components to combine, and the mismachining tolerance of each components and lead It causes to form accumulated error when last assembly, affects Product Precision, increase wear point, reduce service life.
In Milling Process, the difficulty of processing of round estrade is relatively low, and machining accuracy is also relatively high, so consider Based on using developing a sealing valve on the basis of round estrade.
Utility model content
The utility model is in view of the above-mentioned problems, propose a kind of rotary seal valve.
The technical solution that the utility model is taken is as follows:
A kind of rotary seal valve, including ontology are provided with installation cavity in ontology, and water inlet and water outlet are provided on ontology Mouthful, water inlet and water outlet communicate with installation cavity, further include the spool with taper rotary table figure, be provided on the spool logical Hole, valve core rotation are sealingly mounted in installation cavity, and the spool controls the logical of water inlet and water outlet by the rotation of itself It closes.
The present apparatus is due to using the tapered spool with taper rotary table figure, so that spool is depressed into sealing shroud When, the cooperation precision between the two is higher, and sealing effect is more preferable.The processing request of spool is greatly reduced, and the processing of spool Precision greatly improves, so that the cooperation between spool and valve body is closer, the service life is longer, is less susceptible to leak.
The spool machining accuracy of the present apparatus is high, and even closer with the cooperation of valve body, the service life is longer, and antileaking.
It optionally, further include nested cylinder, the embedding sleeve seal is fixedly set in installation cavity, and the spool is located at nesting It in cylinder, and offers on the side wall of nested cylinder for the fluid apertures for liquid communication, is provided with sealing shroud between nested cylinder and spool, The sealing shroud is used to the gap between sealed valve core and nested cylinder, offer on sealing shroud for the runner for liquid communication.
Nested cylinder (and being copper material) is utilized in above scheme, avoid between spool with valve body CONTACT WITH FRICTION, greatly Width reduces the abrasion of spool and valve body, so that the present apparatus rotates more merrily and lightheartedly in use, the service life is longer.Specifically When through-hole, runner and fluid apertures three conducting, entire rotary seal valve is switched on, and when three is not turned on, is entirely rotated close Envelope valve is at closed state.
Optionally, described spool one end is fixed with valve rod, and the valve rod is for driving spool to rotate in ontology, and valve rod One end is provided with connection structure, and connection structure is located at this in vitro, and connection structure with other instruments for connecting.
This link structure can be screw thread, be also possible to the structure of slot, hole etc.
Optionally, positioning projection block is provided on the spool, at least provided with two blocks, positioning on the nesting cylinder Casting lug thereon is located between two pieces of adjacent blocks, and block is used to limit the rotation amplitude of positioning projection block.
Positioning projection block rotates between two pieces of adjacent blocks, will because positioning projection block once touches block Spool can not just continue to rotate, so the distance between two pieces of blocks are exactly the rotation distance of spool.
Optionally, the ontology includes valve body and valve deck, and the valve body is removably engaged in together with valve deck, the peace It behave affectedly and is set in valve body, and water inlet and water outlet are all set on valve body, the valve rod passes through valve deck.
In this configuration, point-blank, and water inlet, water outlet and valve deck are in T font for water inlet and water outlet Arrangement realizes that the mounting means of " from top to bottom ", this mounting means are more convenient.
Optionally, the nested cylinder is the nested cylinder with taper circular platform type, and is provided with protrusion on the outer surface of nested cylinder Item is provided with indent in installation cavity, and the raised item is combined together with the indent.
It optionally, further include bearing assembly, the bearing assembly is set between valve deck and valve rod.In the mistake that valve deck pushes Cheng Zhong will push power by bearing assembly and be transmitted to spool, so that spool during rotation, avoids the metal with valve deck Face contact reduces abrasion, extends valve service life from face, while reducing bring rotary resistance due to friction, so that spool In rotation, feel is slimmer and more graceful.
Optionally, the nested cylinder is copper nested cylinder.
The beneficial effects of the utility model are: spool machining accuracy is high, even closer with the cooperation of valve body, service life is more It is long, and antileaking;And it is quick and easy for installation.
Detailed description of the invention:
Fig. 1 is rotary seal valve arrangement simplified schematic diagram;
Fig. 2 is the matching relationship schematic diagram of nested cylinder and valve body;
Fig. 3 is rotary seal valve decomposition texture schematic diagram.
Each appended drawing reference in figure are as follows: 1, valve rod, 101, connection structure, 2, valve body, 201, indent, 202, water inlet, 203, Water outlet, 3, spool, 301, through-hole, 302, positioning projection block, 4, valve deck, 5, bearing assembly, 6, nested cylinder, 601, block, 602, raised item, 603, fluid apertures, 7, sealing shroud, 701, runner.
Specific embodiment:
Below with reference to each attached drawing, the utility model is described in detail.
As shown in attached drawing 1, attached drawing 2 and attached drawing 3, a kind of rotary seal valve, including ontology is provided with installation cavity in ontology, And water inlet 202 and water outlet 203 are provided on ontology, water inlet 202 and water outlet 203 are communicated with installation cavity, further include Spool 3 with taper rotary table figure is provided with through-hole 301 on spool 3, and 3 rotary seal of spool is mounted in installation cavity, and spool 3 is logical The rotation for crossing itself is closed to control water inlet 202 with the logical of water outlet 203.
The present apparatus is due to using the tapered spool 3 with taper rotary table figure, so that spool 3 is depressed into sealing shroud 7 When interior, the cooperation precision between the two is higher, and sealing effect is more preferable.The processing request of spool 3 is greatly reduced, and spool 3 Machining accuracy greatly improves, so that the cooperation between spool 3 and valve body 2 is closer, the service life is longer, is less susceptible to leak.
3 machining accuracy of spool of the present apparatus is high, and even closer with the cooperation of valve body 2, the service life is longer, and not leakiness Water.
It further include nested cylinder 6 as shown in attached drawing 1, attached drawing 2 and attached drawing 3, the nested sealing of cylinder 6 is fixedly set in installation cavity, Spool 3 is located in nested cylinder 6, and offers on the side wall of nested cylinder 6 for the fluid apertures 603 for liquid communication, nested cylinder 6 and valve Sealing shroud 7 is provided between core 3, sealing shroud 7 is used to the gap between sealed valve core 3 and nested cylinder 6, offer on sealing shroud 7 For the runner 701 for liquid communication.
Nested cylinder 6 (and being copper material) is utilized in above scheme, avoid between spool 3 with 2 CONTACT WITH FRICTION of valve body, The abrasion of spool 3 Yu valve body 2 is significantly reduced, so that the present apparatus rotates more merrily and lightheartedly in use, the service life is longer. Specifically when through-hole 301, runner 701 and 603 three of fluid apertures are connected, entire rotary seal valve is switched on, when three is not turned on When, entire rotary seal valve is at closed state.
As shown in attached drawing 1, attached drawing 2 and attached drawing 3,3 one end of spool is fixed with valve rod 1, and valve rod 1 is for driving spool 3 at this Rotation in vivo, and 1 one end of valve rod is provided with connection structure 101, connection structure 101 are located at that this is external, connection structure 101 be used for Other instruments connect.
This link structure can be screw thread, be also possible to the structure of slot, hole etc.
As shown in attached drawing 1, attached drawing 2 and attached drawing 3, it is provided with positioning projection block 302 on spool 3, is at least arranged on nested cylinder 6 There are two block 601, positioning projection block 302 is located between two pieces of adjacent blocks 601, and block 601 is for limiting positioning projection The rotation amplitude of block 302.
Positioning projection block 302 rotates between two pieces of adjacent blocks 601, because positioning projection block 302 once touches Block 601, will spool 3 can not just continue to rotate, so the distance between two pieces of blocks 601 be exactly spool 3 rotation away from From.
As shown in attached drawing 1, attached drawing 2 and attached drawing 3, ontology includes valve body 2 and valve deck 4, and valve body 2 is removably matched with valve deck 4 It is combined, installation cavity is set in valve body 2, and water inlet 202 and water outlet 203 are all set on valve body 2, and valve rod 1 passes through Valve deck 4.
In this configuration, at water inlet 202 and water outlet 203 point-blank, and water inlet 202, water outlet 203 and Valve deck 4 is arranged in T font, realizes that the mounting means of " from top to bottom ", this mounting means are more convenient.
As shown in attached drawing 1, attached drawing 2 and attached drawing 3, nested cylinder 6 is the nested cylinder 6 with taper circular platform type, and nested cylinder 6 is outer It is provided with raised item 602 on surface, indent 201 is provided in installation cavity, raised item 602 is combined together with indent 201.
It further include bearing assembly 5 as shown in attached drawing 1, attached drawing 2 and attached drawing 3, bearing assembly 5 is set to valve deck 4 and valve rod 1 Between.During valve deck 4 pushes, power will be pushed by bearing assembly 5 and be transmitted to spool 3, so that spool 3 was rotating Cheng Zhong avoids the metal face contact with valve deck 4, reduces abrasion, extends valve service life from face, while reducing due to friction Bring rotary resistance, so that the feel in rotation of spool 3 is slimmer and more graceful.
The above is only the preferred embodiment of the present invention, not thereby limits the patent protection of the utility model Range, it is all with equivalent structure transformation made by the utility model specification and accompanying drawing content, directly or indirectly it is used in it His relevant technical field similarly includes within the protection scope of the present utility model.

Claims (8)

1. a kind of rotary seal valve, including ontology, it is provided with installation cavity in ontology, and is provided with water inlet and water outlet on ontology Mouthful, water inlet and water outlet are communicated with installation cavity, which is characterized in that further include the spool with taper rotary table figure, the valve Through-hole is provided on core, valve core rotation is sealingly mounted in installation cavity, the spool controlled by the rotation of itself water inlet with The logical of water outlet closes.
2. rotary seal valve as described in claim 1, which is characterized in that further include nested cylinder, the embedding sleeve seal is fixed It is sleeved in installation cavity, the spool is located in nested cylinder, and offers on the side wall of nested cylinder for the liquid for liquid communication Hole is provided with sealing shroud between nested cylinder and spool, the sealing shroud is for the gap between sealed valve core and nested cylinder, sealing Put on the runner offered for for liquid communication.
3. rotary seal valve as claimed in claim 2, which is characterized in that described spool one end is fixed with valve rod, the valve rod For driving spool to rotate in ontology, and valve rod one end is provided with connection structure, and it is external that connection structure is located at this.
4. rotary seal valve as claimed in claim 2, which is characterized in that positioning projection block is provided on the spool, it is described At least provided with two blocks on nested cylinder, positioning projection block is located between two pieces of adjacent blocks, and block is for limiting positioning The rotation amplitude of casting lug thereon.
5. rotary seal valve as claimed in claim 3, which is characterized in that the ontology includes valve body and valve deck, the valve body It is removably engaged in together with valve deck, the installation cavity is set in valve body, and water inlet and water outlet are all set in valve body On, the valve rod passes through valve deck.
6. rotary seal valve as claimed in claim 5, which is characterized in that the nesting cylinder is the nesting with taper circular platform type Cylinder, and it is provided with raised item on the outer surface of nested cylinder, indent is provided in installation cavity, the raised item and the indent cooperate Together.
7. rotary seal valve as claimed in claim 5, which is characterized in that it further include bearing assembly, the bearing assembly setting Between valve deck and valve rod.
8. rotary seal valve as claimed in claim 5, which is characterized in that the nesting cylinder is copper nested cylinder.
CN201821055619.2U 2018-07-04 2018-07-04 Rotary seal valve Active CN208535209U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821055619.2U CN208535209U (en) 2018-07-04 2018-07-04 Rotary seal valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821055619.2U CN208535209U (en) 2018-07-04 2018-07-04 Rotary seal valve

Publications (1)

Publication Number Publication Date
CN208535209U true CN208535209U (en) 2019-02-22

Family

ID=65380357

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821055619.2U Active CN208535209U (en) 2018-07-04 2018-07-04 Rotary seal valve

Country Status (1)

Country Link
CN (1) CN208535209U (en)

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