CN206918336U - Novel fireproof check-valves - Google Patents
Novel fireproof check-valves Download PDFInfo
- Publication number
- CN206918336U CN206918336U CN201720890369.3U CN201720890369U CN206918336U CN 206918336 U CN206918336 U CN 206918336U CN 201720890369 U CN201720890369 U CN 201720890369U CN 206918336 U CN206918336 U CN 206918336U
- Authority
- CN
- China
- Prior art keywords
- flap
- valve body
- bonnet
- annulus
- press block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Mechanically-Actuated Valves (AREA)
- Valve Housings (AREA)
Abstract
The utility model discloses a kind of Novel fireproof check-valves, including valve body and bonnet, flap is provided with valve body, it is provided with valve body and compresses face, bearing pin is provided with valve body, bearing pin is in the surface in the face that compresses, annulus rotating part is fixed with the top of flap, it is provided with the side edge of flap and compresses plane, ring groove is provided with plane is compressed, annulus press block is provided with ring groove, uniformly it is fixed between annulus press block and the bottom wall of ring groove and compresses spring, sealing ring neck is provided with face in compressing for annulus press block, O-ring seals are connected in sealing ring neck, spiro pluging hole is fixedly arranged in the middle of in bonnet, plug screw is provided with spiro pluging hole, two positioning pin rods are provided with the bottom surface of bonnet, positioning pin rod and bonnet one cast molding.Structure setting of the present utility model is reasonable, can prevent flap and bearing pin off normal, ensure that use reliability, ensures its sealing reliability, and stability in use is good, strong applicability and practicality is good.
Description
Technical field
The utility model belongs to fire-preventing check valve technical field, and in particular to a kind of Novel fireproof check-valves.
Background technology
Fire-preventing check valve is mostly installed between exhausting duct and main exhausting duct, is returned with the cooking fume prevented among main exhausting duct
Fill to kitchen, the fire-preventing check valve of prior art is mainly made up of valve body and bonnet, and flap is provided with valve body, is led to
Non-return purpose is realized in the action for crossing flap, and its flap mainly abuts against sealing by sealing ring and bonnet, when sealing ring aging or
After burning, it cannot form sealing surface well, so as to can influence the sealing of non-return to a certain extent, applicability by
Limitation.
The content of the invention
The purpose of this utility model is to provide the Novel fireproof check-valves that a kind of structure setting is reasonable and stability in use is good.
The technical scheme for realizing the utility model purpose is a kind of Novel fireproof check-valves, including valve body and bonnet, described
Valve body and bonnet are bolted, and flap is provided with the valve body, are provided with the valve body and are compressed face, in the valve body
Bearing pin is provided with, the bearing pin is in the surface in the face that compresses, annulus rotating part, the valve are fixed with the top of the flap
The annulus rotating part of valve is set on the bearing pin, is provided with the side edge of the flap and is compressed plane, compressed described
Plane is provided with ring groove, annulus press block is provided with the ring groove, in the annulus press block and the annulus
Uniformly it is fixed between the bottom wall of groove and compresses spring, sealing ring neck is provided with face in compressing for the annulus press block,
O-ring seals are connected in the sealing ring neck, the compressing on face of valve body is pressed on by O-ring seals in the flap,
Spiro pluging hole is fixedly arranged in the middle of in the bonnet, plug screw is provided with the spiro pluging hole, two are provided with the bottom surface of the bonnet
Positioning pin rod, the positioning pin rod and the bonnet one cast molding, it is described fixed when the bonnet is fixed on the valve body
Position pin rod is pressed on the top surface both ends of annulus rotating part.
Arcuate guide boss is provided with the valve body, spacing elastic block piece, the flap are additionally provided with the valve body
When being rotated centered on bearing pin, the bottom of the flap is moved along arcuate guide boss, and the back side of flap be pressed on it is spacing
On elastic block piece.
The surface of identical with the width of ring groove in the width of the annulus press block and described annulus press block and circle
The inwall of ring groove is shiny surface.
Flap and the annulus press block is metal derby.
The utility model has positive effect：Structure setting of the present utility model is reasonable, and flap is set in bearing pin by it
On, while two positioning pin rods are integrally cast with the bottom surface of bonnet, and it is pressed on the top of annulus rotating part when in use
Face both ends, so as to prevent flap and bearing pin off normal, use reliability is ensure that, while it is additionally provided with annulus press block, its
It is connected to by spring in ring groove, so as to which when O-ring seals burn, annulus press block can also have under the action of the spring
Effect is pressed on the compressing on face of valve body, thereby may be ensured that its sealing reliability, stability in use is good, strong applicability and practicality
Property is good.
Brief description of the drawings
In order that content of the present utility model is more likely to be clearly understood, below according to specific embodiment and combine attached
Figure, is described in further detail to the utility model, wherein：
Fig. 1 is structural representation of the present utility model；
Fig. 2 is bonnet concrete structure diagram of the present utility model.
Embodiment
(embodiment 1)
Fig. 1 and Fig. 2 shows a kind of embodiment of the present utility model, and wherein Fig. 1 is structure of the present utility model
Schematic diagram；Fig. 2 is bonnet concrete structure diagram of the present utility model.
See Fig. 1 and Fig. 2, a kind of Novel fireproof check-valves, including valve body 1 and bonnet 2, the valve body 1 and bonnet 2 pass through spiral shell
Bolt 3 is fixed, and flap 4 is provided with the valve body 1, is provided with the valve body 1 and is compressed face 5, bearing pin is provided with the valve body 1
6, the bearing pin 6 is in the surface for compressing face 5, and annulus rotating part 7 is fixed with the top of the flap 4, the flap
Annulus rotating part is set on the bearing pin, at the side edge of the flap 4 be provided with compress plane 8, it is described compress it is flat
Face 8 is provided with ring groove 9, annulus press block 10 is provided with the ring groove 9, in the annulus press block and the circle
Uniformly it is fixed between the bottom wall of ring groove and compresses spring 11, sealing ring neck is provided with face in compressing for the annulus press block
12, O-ring seals 13 are connected in the sealing ring neck, supporting for valve body is pressed on by O-ring seals in the flap
On pressure surface, spiro pluging hole 14 is fixedly arranged in the middle of in the bonnet, plug screw 15 is provided with the spiro pluging hole, at the bottom of the bonnet
Face is provided with two positioning pin rods 18, and the positioning pin rod and the bonnet one cast molding, the bonnet are fixed on the valve
When on body, the positioning pin rod is pressed on the top surface both ends of annulus rotating part.
Arcuate guide boss 16 is provided with the valve body 1, spacing elastic block piece 17 is additionally provided with the valve body, it is described
When flap is rotated centered on bearing pin, the bottom of the flap is moved along arcuate guide boss, and the back side of flap is pressed on
On spacing elastic block piece.
The surface of identical with the width of ring groove in the width of the annulus press block and described annulus press block and circle
The inwall of ring groove is shiny surface.
Flap and the annulus press block is metal derby.
Structure setting of the present utility model is reasonable, and flap is set on bearing pin by it, while is integrally poured in the bottom surface of bonnet
Be cast with two positioning pin rods, and it is pressed on the top surface both ends of annulus rotating part when in use, so as to prevent flap and
Bearing pin off normal, use reliability is ensure that, while it is additionally provided with annulus press block, it is connected in ring groove by spring,
So as to when O-ring seals burn, annulus press block also can effectively be pressed on the compressing on face of valve body under the action of the spring,
Its sealing reliability is thereby may be ensured that, stability in use is good, strong applicability and practicality is good.
Obviously, above-described embodiment of the present utility model is only intended to clearly illustrate the utility model example, and
It is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, in described above
On the basis of can also make other changes in different forms.There is no need and unable to give all embodiments
It is exhaustive.And these belong to the obvious changes or variations that connotation of the present utility model is extended out and still fall within this practicality
New protection domain.
Claims (4)
1. a kind of Novel fireproof check-valves, including valve body and bonnet, the valve body and bonnet are bolted, in the valve body
It is interior to be provided with flap, it is characterised in that：It is provided with the valve body and compresses face, be provided with bearing pin on the valve body, at the bearing pin
In the surface in the face that compresses, annulus rotating part is fixed with the top of the flap, the annulus rotating part of the flap is set in
On the bearing pin, it is provided with the side edge of the flap and compresses plane, ring groove is provided with plane in described compress,
Annulus press block is provided with the ring groove, is uniformly fixed between the annulus press block and the bottom wall of the ring groove
Spring is compressed, sealing ring neck is provided with face in compressing for the annulus press block, O is connected in the sealing ring neck
Shape sealing ring, the compressing on face of valve body is pressed on by O-ring seals in the flap, spiral shell is fixedly arranged in the middle of in the bonnet
Consent, plug screw is provided with the spiro pluging hole, two positioning pin rods, the positioning pin rod and institute are provided with the bottom surface of the bonnet
Bonnet one cast molding is stated, when the bonnet is fixed on the valve body, the positioning pin rod is pressed on annulus rotating part
Top surface both ends.
2. Novel fireproof check-valves according to claim 1, it is characterised in that：It is convex that arcuate guide is provided with the valve body
Platform, spacing elastic block piece is additionally provided with the valve body, when the flap is rotated centered on bearing pin, the bottom edge of the flap
The movement of arcuate guide boss, and the back side of flap is pressed on spacing elastic block piece.
3. Novel fireproof check-valves according to claim 2, it is characterised in that：In the width and circle of the annulus press block
The width of ring groove is identical and the inwall of the surface of the annulus press block and ring groove is shiny surface.
4. Novel fireproof check-valves according to claim 3, it is characterised in that：Flap and the annulus press block is gold
Belong to block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720890369.3U CN206918336U (en) | 2017-07-13 | 2017-07-13 | Novel fireproof check-valves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720890369.3U CN206918336U (en) | 2017-07-13 | 2017-07-13 | Novel fireproof check-valves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206918336U true CN206918336U (en) | 2018-01-23 |
Family
ID=61347866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720890369.3U Expired - Fee Related CN206918336U (en) | 2017-07-13 | 2017-07-13 | Novel fireproof check-valves |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206918336U (en) |
-
2017
- 2017-07-13 CN CN201720890369.3U patent/CN206918336U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206918336U (en) | Novel fireproof check-valves | |
| CN204647383U (en) | Super large caliber release pollution discharge type one-way sealing gate valve | |
| CN204755991U (en) | Eccentric hemisphere valve of upper assembling type | |
| CN206035846U (en) | Fire demand pump | |
| CN207005371U (en) | A kind of check valve for reducing water and making an uproar | |
| CN201575176U (en) | Manual parallel gate valve | |
| CN204187041U (en) | Pneumatic triangle vavle | |
| CN203036028U (en) | Block check valve | |
| CN206072201U (en) | A kind of steel mill's vibroshock | |
| CN203286116U (en) | Valve packing sealing device | |
| CN204025724U (en) | Elastic packing type gate valve | |
| CN206175383U (en) | Bull -dozer operating cylinder with buffer function | |
| CN204532214U (en) | Dual gland for packing box | |
| CN205654927U (en) | Safety valve | |
| CN106678484B (en) | High-energy pipeline impact energy absorber in electric power planning | |
| CN106321913A (en) | A pressure reducing valve system | |
| CN205136450U (en) | Shoulder hole varistor buddhist nun attenuator | |
| CN203115200U (en) | Double-clip type check valve | |
| CN204004776U (en) | A kind of faucet for water dispenser | |
| CN204281177U (en) | A kind of hydraulic jack | |
| CN202597754U (en) | Ball valve structure | |
| CN204647538U (en) | The anti-valve stem seal failure structure of a kind of low temperature valve | |
| CN203516878U (en) | Through flow type check valve for chlorine gas | |
| CN205985528U (en) | Elasticity furred ceiling socket | |
| CN205859270U (en) | A kind of modified model overflow valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Longwan District of Wenzhou City, Zhejiang province 325013 Wing Street High-tech Park Road No. 2312 days Patentee after: Witten Valve Co.,Ltd. Address before: Longwan District of Wenzhou City, Zhejiang province 325013 Wing Street High-tech Park Road No. 2312 days Patentee before: ZHEJIANG WEITENG VALVE Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180123 Termination date: 20210713 |