CN216430687U - Valve filler with long service life - Google Patents
Valve filler with long service life Download PDFInfo
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- CN216430687U CN216430687U CN202123303230.XU CN202123303230U CN216430687U CN 216430687 U CN216430687 U CN 216430687U CN 202123303230 U CN202123303230 U CN 202123303230U CN 216430687 U CN216430687 U CN 216430687U
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- sealing strip
- valve
- butterfly
- strip
- valve body
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Abstract
The utility model belongs to the technical field of valve sealing, in particular to a valve packing with long service life, which comprises a valve body, wherein two supporting components are arranged inside the valve body, the inner sides of the two supporting components are respectively provided with an extruding component, a packing component for sealing is arranged between the two extruding components, and the packing component comprises two sealing strips and a reinforcing plate; carry out extrusion deformation to the sealing strip under the cooperation through keysets and kicking block and extrusion strip for the sealing strip can laminate with valve body and valve rod, guarantee its sealed effect to valve body and valve rod, when the sealing strip received wearing and tearing, the in-process of the elastic energy storage slow release of butterfly-shaped shell fragment has guaranteed that kicking block and extrusion strip strut continuously to the sealing strip and does down, guarantee that the sealing strip keeps the laminating state with valve body and valve rod all the time, guarantee the sealed effect to its junction, thereby increase the life of valve body.
Description
Technical Field
The utility model belongs to the technical field of the valve seal, concretely relates to high life's valve filler.
Background
The service life of the valve is determined by the sealing performance of the valve, the valve packing seal is usually used for a shaft seal device with a rotating or sliding valve, and the valve packing can reduce a gap between a valve rod and a valve cover and can maintain the sealing performance between the valve rod and the valve.
SUMMERY OF THE UTILITY MODEL
The existing valve packing is contacted with the packing to rub with each other when the valve rod rotates for a long time, the packing is abraded due to long-time friction, the sealing effect of the packing is reduced due to abrasion, the packing is affected on the sealing of the valve, and the problem of leakage of the medium in the valve can occur in the long-time use process. The utility model provides a high life's valve filler has and carries out the elastic energy storage when the installation, carries out the elasticity release that lasts when receiving wearing and tearing, guarantees to the characteristics that the continuous sealing performance of valve and valve rod increases valve life.
The utility model provides a following technical scheme: the utility model provides a high life's valve packing, includes the valve body, the inside of valve body is equipped with two supporting component, supporting component includes butterfly shell fragment, trapezoidal draw-in groove and voussoir, two supporting component's inboard all is equipped with the extrusion subassembly, two the extrusion subassembly all includes keysets, go-between and kicking block, two be equipped with the packing subassembly that is used for playing sealed effect between the extrusion subassembly, the packing subassembly includes two sealing strips, reinforcing plate and elasticity strip.
The butterfly-shaped elastic sheet is connected with the valve body in a clamping mode, the inner side of the butterfly-shaped elastic sheet is arranged on the trapezoid clamping groove, and the wedge block is fixedly connected with the inner wall of the trapezoid clamping groove.
The adapter plate is fixedly connected with the connecting ring, the top block is fixedly connected with one side, far away from the connecting ring, of the adapter plate, and the outer walls of the two sides of the adapter plate are fixedly connected with the extrusion strips.
Wherein, reinforcing plate fixed connection is in two between the sealing strip, two dysmorphism groove has all been seted up to the sealing strip, and two dysmorphism groove opening orientation is opposite, elasticity strip fixed connection in the outer wall of sealing strip, just the elasticity strip with the adapter plate is laminated mutually.
Wherein, the kicking block passes through the dysmorphism groove is connected with the sealing strip block, the extrusion strip with the laminating of dysmorphism inslot wall mutually.
The connecting ring is connected with the butterfly-shaped elastic sheet in a clamping mode through the trapezoid clamping groove, and the connecting ring is connected with the wedge block in a clamping mode through the butterfly-shaped elastic sheet.
The two butterfly-shaped elastic pieces and the two adapter plates are respectively distributed at two ends of the sealing strip, and the butterfly-shaped elastic pieces and the adapter plates are distributed in a mirror image mode according to the reinforcing plate.
The utility model has the advantages that: carry out extrusion deformation to the sealing strip under the cooperation through keysets and kicking block and extrusion strip, make the sealing strip laminate with valve body and valve rod, guarantee its sealed effect to valve body and valve rod, and under the reinforcing plate supports spacingly, the deformation of having guaranteed the sealing strip is stably gone on, prevent that the sealing strip from receiving the great influence leakproofness of deformation that takes place when the extrusion, when the sealing strip receives wearing and tearing, the in-process at the slow release of the elastic energy storage of butterfly-shaped shell fragment has guaranteed that kicking block and extrusion strip strut the action of acting on the sealing strip continuously, guarantee that the sealing strip remains the laminating state with valve body and valve rod all the time, ensure the sealing effect to its junction, thereby increase valve body's life.
The parts of the device not involved are the same as or can be implemented using prior art.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is a schematic view of the operation states of the transfer plate and the sealing strip of the present invention;
fig. 4 is an enlarged view of fig. 3 at B.
In the figure: 1. a valve body; 2. a support assembly; 21. a butterfly-shaped elastic sheet; 22. a trapezoidal clamping groove; 23. a wedge block; 3. an extrusion assembly; 31. an adapter plate; 32. a connecting ring; 33. a top block; 331. extruding the strip; 4. a fill assembly; 41. a sealing strip; 411. a special-shaped groove; 42. a reinforcing plate; 43. an elastic strip.
Detailed Description
Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides a high life's valve packing, including valve body 1, valve body 1's inside is equipped with two supporting component 2, supporting component 2 includes butterfly shell fragment 21, trapezoidal draw-in groove 22 and voussoir 23, two supporting component 2's inboard all is equipped with extrusion component 3, two extrusion component 3 all include keysets 31, go-between 32 and kicking block 33, be equipped with between two extrusion component 3 and be used for playing sealed filling member 4 of effect, filling member 4 includes two sealing strips 41, reinforcing plate 42 and elastic strip 43.
In this embodiment: the butterfly-shaped elastic sheet 21 is extruded to perform elastic energy storage when being installed, the wedge block 23 is inserted into the connecting ring 32 to be extruded in the pushing and descending process of the butterfly-shaped elastic sheet 21, so that the two sides of the connecting ring 32 are expanded to be clamped and connected with the trapezoidal clamping groove 22, the adapter plate 31 is connected with the butterfly-shaped elastic sheet 21, the connection stability is improved, the position deviation is prevented when being extruded, the sealing effect is ensured, the adapter plate 31 plays a role in connecting and supporting the connecting ring 32 and the ejector block 33, the ejector block 33 and the extrusion strip 331 are matched to prop open the sealing strip 41 through the special-shaped groove 411 when the adapter plate 31 is extruded, so that the sealing strip 41 can be better attached and sealed with the valve body 1 and the valve rod, the reinforcing plate 42 between the two sealing strips 41 is used for supporting and limiting the sealing strip 41, and the sealing property is prevented from being greatly influenced by the deformation of the sealing strip 41 when being extruded, and the elastic strip 43 deforms when being squeezed by the adapter plate 31 and the sealing strip 41, so that the gap between the sealing strip 41 and the adapter plate 31 is filled, the sealing performance is further improved, the sealing effect on the valve body 1 and the valve rod is ensured, when the sealing strip 41 is worn, the continuous expansion of the top block 33 and the sealing strip 331 on the sealing strip 41 is ensured in the elastic energy storage slow release process of the butterfly-shaped elastic sheet 21, the sealing strip 41 is always kept in a fit state with the valve body 1 and the valve rod, the sealing effect on the joint of the sealing strip 41 is ensured, and the service life of the valve body 1 is prolonged.
The butterfly-shaped elastic sheet 21 is connected with the valve body 1 in a clamping mode, the trapezoid clamping groove 22 is formed in the inner side of the butterfly-shaped elastic sheet 21, and the wedge block 23 is fixedly connected with the inner wall of the trapezoid clamping groove 22; the butterfly-shaped elastic sheet 21 is used for performing compression elastic energy storage during installation of the valve body 1, so that the continuous supporting effect on the butt joint plate 31 is guaranteed, the trapezoidal clamping groove 22 can expand and extrude the connecting ring 32 to generate deformation filling in the process that the connecting ring 32 is extruded by the wedge shape of the wedge block 23, and the clamping limit between the connecting ring 32 and the butterfly-shaped elastic sheet 21 is formed.
The connecting ring 32 is fixedly connected with the adapter plate 31, the top block 33 is fixedly connected with one side of the adapter plate 31 far away from the connecting ring 32, and the outer walls of two sides of the adapter plate 31 are fixedly connected with the extrusion strips 331; the connecting ring 32 plays a role in connecting and fixing the connecting plate 31, the top block 33 and the extrusion strip 331 are used for expanding the special-shaped groove 411 of the sealing strip 41, so that two sides of the sealing strip 41 are expanded outwards to form fit sealing with the valve body 1 and the valve rod, the extrusion strip 331 can increase the contact area when the top block 33 is clamped with the special-shaped groove 411, and the effect of expanding the sealing strip 41 outwards by the top block 33 is further ensured.
The reinforcing plate 42 is fixedly connected between the two sealing strips 41, the two sealing strips 41 are respectively provided with a special-shaped groove 411, the opening directions of the two special-shaped grooves 411 are opposite, the elastic strip 43 is fixedly connected to the outer wall of the sealing strip 41, the elastic strip 43 is attached to the adapter plate 31, the top block 33 is clamped and connected with the sealing strip 41 through the special-shaped groove 411, and the extrusion strip 331 is attached to the inner wall of the special-shaped groove 411; when not receiving the extrusion force in the installation, the contact range of sealing strip 41 and valve body 1 and valve rod is less, make the installation more smooth and easy, frictional force when reducing the installation, play the guard action to sealing strip 41, dysmorphism groove 411 is used for being convenient for sealing strip 41 to take place deformation and valve body 1 and valve rod laminate when receiving the extrusion of kicking block 33 and extrusion strip 331 more, and then guarantee its sealed protectiveness, reinforcing plate 42 plays to support limiting displacement to sealing strip 41, prevent that the sealing strip 41 of reinforcing plate 42 both sides takes place the slope deformation when receiving the extrusion great, guarantee the inseparable of sealing strip 41 pressurized deformation laminating, elastic strip 43 fills the clearance between sealing strip 41 and the keysets 31, guarantee the sealed of its connection.
The connecting ring 32 is connected with the butterfly-shaped elastic sheet 21 through the trapezoidal clamping groove 22 in a clamping manner, and the connecting ring 32 is connected with the wedge block 23 through the butterfly-shaped elastic sheet 21 in a clamping manner; when the connecting ring 32 is plugged into the trapezoidal clamping groove 22, the connecting ring 32 deforms under the extrusion of the wedge blocks 23, the two sides of the connecting ring are extended to the long trapezoidal edge of the trapezoidal clamping groove 22 to be limited, connection is achieved, the butterfly-shaped elastic sheet 21 is prevented from influencing the stability of extrusion of the butt joint plate 31 when elastic energy storage is released, and the continuous expanding effect of the butt joint plate 31 on the sealing strip 41 is guaranteed.
The two butterfly-shaped elastic pieces 21 and the two adapter plates 31 are respectively distributed at two ends of the sealing strip 41, and the butterfly-shaped elastic pieces 21 and the adapter plates 31 are distributed in a mirror image manner according to the reinforcing plate 42; two butterfly shell fragments 21 and two keysets 31 cooperate and can carry out evenly exerting pressure to sealing strip 41 from both ends, can evenly distributed when guaranteeing its pressurized deformation, guarantee its sealed stability to valve body 1 valve rod.
The utility model discloses a theory of operation and use flow: when the butterfly-shaped elastic sheet 21 is used, the end of the trapezoidal clamping groove 22 of the butterfly-shaped elastic sheet 21 positioned below is installed upwards, one adapter plate 31 is placed into the valve body 1, the connecting ring 32 is inserted into the trapezoidal clamping groove 22 to be attached to the wedge block 23 in the process of placing the adapter plate 31, primary positioning is realized, at this time, the sealing strip 41 and the reinforcing plate 42 can be integrally placed into the valve body 1, then one adapter plate 31 is placed into the valve body 1 in the forward direction to enable the top block 33 to be attached to the special-shaped groove 411 of the sealing strip 41, finally the trapezoidal clamping groove 22 of the butterfly-shaped elastic sheet 21 is placed in correspondence to the connecting ring 32 positioned above, pressure is applied to the butterfly-shaped elastic sheet 21 by screwing an external gland, elastic energy storage is performed when the butterfly-shaped elastic sheet 21 is subjected to pressure, meanwhile, the wedge block 23 further penetrates into the connecting ring 32 to apply extrusion force, and connection stability is improved, when adapter plate 31 receives the extrusion force, extrude the dysmorphism groove 411 department of sealing strip 41 through kicking block 33 and extrusion strip 331, make sealing strip 41 take place to deform and laminate with valve body 1 and valve rod, elastic strip 43 receives the extrusion deformation of sealing strip 41 and adapter plate 31 simultaneously, fill the clearance between sealing strip 41 and the adapter plate 31, and when sealing strip 41 received wearing and tearing, butterfly shell fragment 21 carries out elastic support to adapter plate 31 and sealing strip 41 continuously, guaranteed the continuous laminating of sealing strip 41 with valve body 1 and valve rod, guarantee the continuation sealed to valve body 1, thereby make the life of valve body 1 obtain increasing.
Claims (7)
1. The utility model provides a high life's valve filler which characterized in that: the valve comprises a valve body, the inside of valve body is equipped with two supporting components, supporting component includes butterfly shell fragment, trapezoidal draw-in groove and voussoir, two supporting component's inboard all is equipped with the extrusion subassembly, two the extrusion subassembly all includes keysets, go-between and kicking block, two be equipped with the packing subassembly that is used for playing sealed effect between the extrusion subassembly, the packing subassembly includes two sealing strips, reinforcing plate and elasticity strip.
2. A high life valve packing according to claim 1, wherein: the butterfly-shaped elastic sheet is connected with the valve body in a clamping mode, the inner side of the butterfly-shaped elastic sheet is arranged on the trapezoid clamping groove, and the wedge block is fixedly connected with the inner wall of the trapezoid clamping groove.
3. A high life valve packing according to claim 1, wherein: the adapter plate is fixedly connected with the connecting ring, the top block is fixedly connected with one side, far away from the connecting ring, of the adapter plate, and the outer walls of the two sides of the adapter plate are fixedly connected with the extrusion strips.
4. A high life valve packing according to claim 3, wherein: reinforcing plate fixed connection is in two between the sealing strip, two the dysmorphism groove has all been seted up to the sealing strip, and two dysmorphism groove opening orientation is opposite, elasticity strip fixed connection in the outer wall of sealing strip, just the elasticity strip with the adapter plate is laminated mutually.
5. A high life valve packing according to claim 4, wherein: the kicking block passes through the dysmorphism groove is connected with the sealing strip block, the extrusion strip with the laminating of dysmorphism inslot wall mutually.
6. A high life valve packing according to claim 1, wherein: the connecting ring is connected with the butterfly-shaped elastic sheet in a clamping mode through the trapezoid clamping groove, and the connecting ring is connected with the wedge block in a clamping mode through the butterfly-shaped elastic sheet.
7. A high life valve packing according to claim 1, wherein: the two butterfly-shaped elastic pieces and the two adapter plates are respectively distributed at two ends of the sealing strip, and the butterfly-shaped elastic pieces and the adapter plates are distributed in a mirror image mode according to the reinforcing plate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202123303230.XU CN216430687U (en) | 2021-12-27 | 2021-12-27 | Valve filler with long service life |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202123303230.XU CN216430687U (en) | 2021-12-27 | 2021-12-27 | Valve filler with long service life |
Publications (1)
Publication Number | Publication Date |
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CN216430687U true CN216430687U (en) | 2022-05-03 |
Family
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Family Applications (1)
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CN202123303230.XU Active CN216430687U (en) | 2021-12-27 | 2021-12-27 | Valve filler with long service life |
Country Status (1)
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CN (1) | CN216430687U (en) |
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2021
- 2021-12-27 CN CN202123303230.XU patent/CN216430687U/en active Active
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