CN208895122U - A kind of valve body manufacture is used for the sand core of feeding - Google Patents
A kind of valve body manufacture is used for the sand core of feeding Download PDFInfo
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- CN208895122U CN208895122U CN201821372746.5U CN201821372746U CN208895122U CN 208895122 U CN208895122 U CN 208895122U CN 201821372746 U CN201821372746 U CN 201821372746U CN 208895122 U CN208895122 U CN 208895122U
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- sand core
- block
- gas
- core block
- valve body
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Abstract
The utility model discloses the sand cores that a kind of manufacture of valve body is used for feeding, including the first sand core block, third sand core block and sealing block, the side of the first sand core block is provided with the second sand core block, the second sand core block offers mounting groove far from the side of the first sand core block, wherein, the third sand core block and the second sand core block are placed side by side, and the mounting groove is provided with gas-permeable rod far from the side of the second sand core block, and the gas-permeable rod offers air hole close to the side of mounting groove.Sand core air hole of the valve body manufacture for feeding is uniformly distributed in gas-permeable rod, during manufacturing valve body, the gas that can be generated on the outside of second sand core block and third sand core block, at this moment gas can enter gas-permeable rod by air hole, and since the inside of gas-permeable rod is loose material composition, gas will not remain in the inside of sand core, to realize that gas will not remain in the junction of sand core and valve body, cavity is effectively reduced, feeding is completed, guarantees the qualification rate of product.
Description
Technical field
The utility model relates to exhaust valve technical field, specially a kind of valve body manufacture is used for the sand core of feeding.
Background technique
Exhaust valve is applied to independent heating system, central heating system, heating boiler, central air-conditioning, floor heating and too
The pipeline air exhaust waters such as positive energy heating system, because usually all dissolved with certain air in water, and the solubility of air is with temperature
Raising and reduce, such water gas during circulation gradually is separated from the water out, and gradually get together to be formed it is big
Bubble even air column often have a gas generation because there is the supplement of water, exhaust valve is divided into heating-installation type, micro formula, quickly
Formula, combined type etc..
In use, one of them important component part is sand core for valve body manufacture currently on the market.
But there is the phenomenon that inner cavity shrinkage porosite with the product that sand core is produced in most of valve body manufacture, and increases product
Disqualification rate.
Utility model content
The purpose of this utility model is to provide the sand cores that a kind of manufacture of valve body is used for feeding, to solve above-mentioned background technique
There is the phenomenon that inner cavity shrinkage porosite in the product that the sand core currently on the market proposed is produced, increases asking for the disqualification rate of product
Topic.
To achieve the above object, the utility model provides the following technical solutions: a kind of valve body manufacture is used for the sand core of feeding,
Including the first sand core block, third sand core block and sealing block, the side of the first sand core block is provided with the second sand core block, and described
Two sand core blocks offer mounting groove far from the side of the first sand core block, wherein
The third sand core block and the second sand core block are placed side by side, and the third sand core block is located at the same of the first sand core block
Side；
The mounting groove is provided with gas-permeable rod far from the side of the second sand core block, and the gas-permeable rod is close to the side of mounting groove
Air hole is offered, the gas-permeable rod is fixed with fixed block far from the side of the first sand core block, and the fixed block is close to the second sand
The side of pellet is fixed with sliding block, and the junction of the sliding block and the second sand core block offers sliding groove, the sliding groove setting
In side of the mounting groove far from the first sand core block；
The sealing block is fixed on side of the fixed block far from gas-permeable rod, and the sealing block is fixed far from the side of fixed block
There is connection ring.
Preferably, the thickness of the sliding groove is greater than the thickness of sliding block, and sliding groove is less than the double thickness of sliding block.
Preferably, the inside dimension of the mounting groove matches with the outer dimension of gas-permeable rod, and gas-permeable rod is to be inverted circle
Platform structure.
Preferably, the air hole is uniformly distributed in gas-permeable rod.
Preferably, the radius of the sealing block be greater than fixed block radius, and between sealing block and mounting groove it is vertical away from
From close to zero.
Compared with prior art, the utility model has the beneficial effects that valve body manufacture is used for the sand core of feeding:
1. the thickness of sliding groove is greater than the thickness of sliding block, and the thickness of sliding groove is less than postrotational sliding groove when installation
Sliding block is mounted on the inside of sliding groove by thickness, and rotary slider, sliding block is directly buckled in the inside of sliding groove, and sliding groove directly limits
The position of sliding block guarantees that sliding block is not in the phenomenon that moving left and right；
2. air hole is uniformly distributed in gas-permeable rod, during manufacturing valve body, outside the second sand core block and third sand core block
The gas that side can generate, at this moment gas can enter gas-permeable rod by air hole, since the inside of gas-permeable rod is loose material composition,
Therefore gas will not remain in the inside of sand core, to realize that gas will not remain in the junction of sand core and valve body, effectively subtract
Areola completes feeding, guarantees the qualification rate of product；
3. vertical range between sealing block and mounting groove is close to zero, and the upper surface of sealing block and the second sand core block and
The upper surface of third sand core block is overlapped, and sealing block is bonded completely with the second sand core block and third sand core block, and sealing block makes sand core shape
At a complete individual, the second sand core block and third sand core block and sealing block contact position is set not to have the outflow of gas, more preferably
Maintenance the device shape, guarantee sand core shape be not in variation.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model side structure schematic view；
Fig. 3 is partial enlargement structural representation at A in the utility model Fig. 1.
In figure: 1, first sand core block, the 2, second sand core block, 3, third sand core block, 4, sliding groove, 5, mounting groove, 6, ventilative
Bar, 7, air hole, 8, fixed block, 9, sliding block, 10, sealing block, 11, connection ring.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1-3, the utility model provides a kind of technical solution: a kind of valve body manufacture is used for the sand core of feeding, packet
Include the first sand core block 1, the second sand core block 2, third sand core block 3, sliding groove 4, mounting groove 5, gas-permeable rod 6, air hole 7, fixed block
8, sliding block 9, sealing block 10 and connection ring 11, the side of the first sand core block 1 are provided with the second sand core block 2, second sand
Pellet 2 offers mounting groove 5 far from the side of the first sand core block 1, wherein
The third sand core block 3 and the second sand core block 2 are placed side by side, and the third sand core block 3 is located at the first sand core block 1
The same side；
The mounting groove 5 is provided with gas-permeable rod 6 far from the side of the second sand core block 2, the inside dimension of the mounting groove 5 with
The outer dimension of gas-permeable rod 6 matches, and gas-permeable rod 6 is inverted round table structure, and when installing gas-permeable rod 6, gas-permeable rod 6 is directly buckled in
The inside of mounting groove 5, at this moment gas-permeable rod 6 is directly bonded with mounting groove 5, and installation when is accurate, will not when guaranteeing installation
It deviates, the gas-permeable rod 6 offers air hole 7 close to the side of mounting groove 5, and the air hole 7 is uniformly distributed in ventilative
On bar 6, during the second sand core block 2 manufactures valve body with third sand core block 3, the gas of generation directly passes through air hole 7 and enters
The inside of gas-permeable rod 6, for loose material composition, the air that can be directly absorbed into keeps gas residual for the inside of gas-permeable rod 6
The inside for staying in sand core reduces the formation of cavity, the effect for the feeding effectively completed, and the gas-permeable rod 6 is far from the first sand core
The side of block 1 is fixed with fixed block 8, and the fixed block 8 is fixed with sliding block 9, the sliding block 9 close to the side of the second sand core block 2
Sliding groove 4 is offered with the junction of the second sand core block 2, the sliding groove 4 is set to mounting groove 5 far from the first sand core block 1
Side, the thickness of the sliding groove 4 are greater than the thickness of sliding block 9, and sliding groove 4 is less than the double thickness of sliding block 9, and when installation is slided
The thickness of slot 4 is less than the thickness of postrotational sliding groove 4, sliding block 9 is mounted directly to the side of sliding groove 4 during installation, then
Rotary slider 9, the Slideslip in sliding groove 4 of sliding block 9, when sliding into the tail end of sliding groove 4, sliding block 9 is directly buckled in sliding
The inside of slot 4 directly limits the position of sliding block 9, guarantees that impersonal force effect sliding block 9 will not fall off on the inside of sliding groove 4；
The sealing block 10 is fixed on side of the fixed block 8 far from gas-permeable rod 6, and the radius of sealing block 10 is greater than fixed block 8
Radius, and the vertical range between sealing block 10 and mounting groove 5 is close to zero, when sealing block 10 is installed, sealing block 10 it is upper
Surface is overlapped with the upper surface of the second sand core block 2 and third sand core block 3, and sealing block 10 directly directly seals the sand core, is guaranteed
The gas-permeable rod 6 of inside is not in because gas leakage deforms, and the sealing block 10 is fixed with far from the side of fixed block 8.
Working principle: when being used for the sand core of feeding using valve body manufacture, firstly, by being placed between the first sand core block 1
In Valve Block Mould, for the first sand core block 1 when manufacturing valve body, the first sand core block 1 is completely submerged in the inside of Valve Block Mould,
Second sand core block 2 is placed in parallel with third sand core block 3, upper surface and the Valve Block Mould of the second sand core block 2 with third sand core block 3
The surface that is contacted with air be overlapped, when manufacture valve body, the drive gas-permeable rod 6 of sealing block 10 and fixed block 8 are directly pacified
Mounted in the inside of mounting groove 5 and sliding groove 4, fixed block 8 is rotated, the inside inverse time of the sliding blocks 9 of 8 two sides of fixed block in sliding groove 4
Needle rotation, the thickness of sliding groove 4 is less than the thickness of postrotational sliding groove 4 when installation, and at this moment sliding block 9 is directly in sliding groove 4
Inside is sagging, and sliding block 9 is directly buckled in the inside of sliding groove 4, and sealing block 10 is directly buckled in the inside of sliding groove 4 at the same time, close
The upper surface of envelope block 10 is overlapped with the second sand core block 2 with the upper surface of third sand core block 3, and during manufacturing valve body, gas is saturating
Crossing the sand core can directly be supported by the inside that air hole 7 enters gas-permeable rod 6 since 6 surface of gas-permeable rod is more firm
The sand core guarantees that sand core is not in the effect of deformation, while accommodating gas on the inside of gas-permeable rod 6 in the production process, increases sand
The gas permeability of core, the effective cavity for reducing gas and generating play the effect of feeding, when disassembly, directly wear tiny iron wire
Connection ring 11 is crossed, first drags sealing block 10 upwards, then reversely rotate sealing block 10, so that it may tear sealing block 10 and gas-permeable rod 6 open
It unloads down, can repeatedly utilize, save resource, the content being not described in detail in this explanation belongs to professional and technical personnel in the field
The well known prior art.
Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art
Say, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into
Row equivalent replacement, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all
It is included within the scope of protection of this utility model.
Claims (5)
1. a kind of valve body manufacture is used for the sand core of feeding, including the first sand core block (1), third sand core block (3) and sealing block (10),
It is characterized by: the side of the first sand core block (1) is provided with the second sand core block (2), the second sand core block (2) is far from the
The side of one sand core block (1) offers mounting groove (5), wherein
The third sand core block (3) and the second sand core block (2) are placed side by side, and the third sand core block (3) is located at the first sand core block
(1) the same side；
The mounting groove (5) is provided with gas-permeable rod (6) far from the side of the second sand core block (2), and the gas-permeable rod (6) is close to installation
The side of slot (5) offers air hole (7), and the gas-permeable rod (6) is fixed with fixed block far from the side of the first sand core block (1)
(8), the fixed block (8) is fixed with sliding block (9) close to the side of the second sand core block (2), the sliding block (9) and the second sand core block
(2) junction offers sliding groove (4), and the sliding groove (4) is set to one of mounting groove (5) far from the first sand core block (1)
Side；
The sealing block (10) is fixed on the side of fixed block (8) far from gas-permeable rod (6), and the sealing block (10) is far from fixed block
(8) side is fixed with connection ring (11).
2. the sand core that a kind of valve body manufacture according to claim 1 is used for feeding, it is characterised in that: the sliding groove (4)
Thickness be greater than sliding block (9) thickness, and sliding groove (4) be less than sliding block (9) double thickness.
3. the sand core that a kind of valve body manufacture according to claim 1 is used for feeding, it is characterised in that: the mounting groove (5)
Inside dimension match with the outer dimension of gas-permeable rod (6), and gas-permeable rod (6) be inverted round table structure.
4. the sand core that a kind of valve body manufacture according to claim 1 is used for feeding, it is characterised in that: the air hole (7)
It is uniformly distributed on gas-permeable rod (6).
5. the sand core that a kind of valve body manufacture according to claim 1 is used for feeding, it is characterised in that: the sealing block (10)
Radius be greater than the radius of fixed block (8), and the vertical range between sealing block (10) and mounting groove (5) is close to zero.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821372746.5U CN208895122U (en) | 2018-08-24 | 2018-08-24 | A kind of valve body manufacture is used for the sand core of feeding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821372746.5U CN208895122U (en) | 2018-08-24 | 2018-08-24 | A kind of valve body manufacture is used for the sand core of feeding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208895122U true CN208895122U (en) | 2019-05-24 |
Family
ID=66570172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821372746.5U Active CN208895122U (en) | 2018-08-24 | 2018-08-24 | A kind of valve body manufacture is used for the sand core of feeding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208895122U (en) |
-
2018
- 2018-08-24 CN CN201821372746.5U patent/CN208895122U/en active Active
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