CN208381397U - A kind of welding type check valve - Google Patents
A kind of welding type check valve Download PDFInfo
- Publication number
- CN208381397U CN208381397U CN201820831697.0U CN201820831697U CN208381397U CN 208381397 U CN208381397 U CN 208381397U CN 201820831697 U CN201820831697 U CN 201820831697U CN 208381397 U CN208381397 U CN 208381397U
- Authority
- CN
- China
- Prior art keywords
- valve body
- hole
- upper valve
- welding type
- type check
- 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
Abstract
The utility model belongs to check-valves technical field, specially a kind of welding type check valve, including upper valve body, the lower end of the upper valve body is equipped with lower valve body, through-hole is respectively equipped in the upper valve body and lower valve body, the through-hole internal diameter of the upper valve body is greater than the through-hole internal diameter of lower valve body, and two through-bore axis are overlapped, sliding slot is equipped between opposite side wall in the upper valve body, slide bar is fixed between opposite side wall in the sliding slot, sliding sleeve is connected to sliding block on the slide bar, the first spring is arranged on the slide bar, the both ends of first spring are located between sliding slot upper side wall and the upper end of sliding block, mobile bar is equipped in the through-hole of the upper valve body.The utility model structure novel, by structure easily realize welding type check valve with very perfect elastic construction, be amenable to prolonged use and be hardly damaged, and non-return effect is obvious.
Description
Technical field
The utility model belongs to check-valves technical field, specially a kind of welding type check valve.
Background technique
Check-valves is to connect in the duct, the automatic open and close flap by the flowing of transported medium in pipeline itself, is used
Come prevent medium flow backwards valve, be widely used in field of fluid, by its structure can be divided into lift, swing type,
Dish-style check-valves and duct type etc. are several, and three kinds of threaded connection, flanged joint and welding can be divided into type of attachment.
But the elastic construction of existing check-valves is too simple, and damage is be easy to cause after long-time use, influences normal
It uses.
Utility model content
The purpose of this utility model is to provide a kind of welding type check valves, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the utility model provides the following technical solutions:
A kind of welding type check valve, including upper valve body, the lower end of the upper valve body are equipped with lower valve body, and the upper valve body is under
Through-hole is respectively equipped in valve body, the through-hole internal diameter of the upper valve body is greater than the through-hole internal diameter of lower valve body, and two through-bore axis weights
It closes, is equipped with sliding slot in the upper valve body between opposite side wall, be fixed with slide bar between opposite side wall in the sliding slot, institute
It states sliding sleeve on slide bar and is connected to sliding block, the first spring is arranged on the slide bar, the both ends of first spring are located at cunning
Between slot upper side wall and the upper end of sliding block, be equipped with mobile bar in the through-hole of the upper valve body, the two sides of the mobile bar respectively with
Two sliding blocks are fixedly connected, and horizontally disposed fixed plate is fixedly connected in the through-hole of the upper valve body, is set in the fixed plate
There is drainage hole, fixed plate is run through in the upper end of the mobile bar, and the lower end of the mobile bar extends in the through-hole of lower valve body and solid
Surely be connected with baffle, the lateral wall of the baffle is fixed with rubber ring, and the rubber ring offsets with lower valve body inner sidewall, it is described on
It is connected between valve body and lower valve body by clamping device.
Preferably, the clamping device include two horizontally disposed first clamping plates and second clamping plate, and respectively with it is upper
Valve body is bonded with lower valve body, is rotatablely connected between the first clamping plate and one end of second clamping plate by shaft, first folder
It is fixed between plate and the other end of second clamping plate by screw and nut.
Preferably, the fixed plate is equipped with multiple drainage holes.
Preferably, being arranged with second spring in the mobile bar, the both ends of the second spring are located at fixed plate
Between sliding block.
Preferably, the nut is equipped with rotating handles.
Preferably, the upper end of the mobile bar is fixed with anti-drop block.
Compared with prior art, the utility model has the beneficial effects that respectively by upper valve body and lower valve body and aqueduct
Weld together, is then fixed upper valve body and lower valve body using clamping device, when the water flow of larger pressure enters lower valve body,
The pressure of water flow moves up baffle, and separates in the through-hole of valve body, and then realizes that water flow enters in the through-hole of upper valve body
And flowing is continued up, when water flow pressure decline, in the case where the first spring and second spring obtain effect, sliding block and movable plate are real
Existing baffle is again introduced into lower valve body, and rubber ring plays sealing effect, prevents water flow from flowing back in lower valve body, while anti-drop block is anti-
Only mobile bar is slipped from fixed plate.The utility model structure novel, by structure easily realize welded type non-return
Valve has very perfect elastic construction, is amenable to prolonged use and is hardly damaged, and non-return effect is obvious.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of welding type check valve structural schematic diagram；
Fig. 2 be the utility model proposes a kind of welding type check valve clamping device structural schematic diagram.
In figure: the first spring of 1-, 2- upper valve body, 3- mobile bar, 4- second spring, 5- fixed plate, 6- drainage hole, 7- are sliding
Block, 8- slide bar, 9- first clamping plate, 10- shaft, 11- lower valve body, 12- rubber ring, 13- baffle, 14- nut, 15- screw, 16-
Second clamping plate, 17- anti-drop block.
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.
In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
The utility model provides a kind of technical solution referring to FIG. 1-2: a kind of welding type check valve, including upper valve body 2,
The lower end of upper valve body 2 is equipped with lower valve body 11, through-hole is respectively equipped in upper valve body 2 and lower valve body 11, convenient for passing through for water flow, upper valve
The through-hole internal diameter of body 2 is greater than the through-hole internal diameter of lower valve body 11, and two through-bore axis are overlapped, and is moved easily bar 3 and drives baffle 13
It moves up and down, is equipped with sliding slot in upper valve body 2 between opposite side wall, be fixed with slide bar 8 between opposite side wall in sliding slot, it is sliding
Sliding sleeve is connected to sliding block 7 on bar 8, and the first spring 1 is arranged on slide bar 8, and the both ends of the first spring 1 are located at sliding slot upper side wall
Between the upper end of sliding block 7, mobile bar 3 is equipped in the through-hole of upper valve body 2, the two sides of mobile bar 3 are fixed with two sliding blocks 7 respectively
Connection is fixedly connected with horizontally disposed fixation convenient for realizing that mobile bar 3 moves down by sliding block 7 in the through-hole of upper valve body 2
Plate 5, fixed plate 5 are equipped with drainage hole 6, and for passing through for water flow, the upper end of mobile bar 3 is under fixed plate 5, mobile bar 3
End extends in the through-hole of lower valve body 11 and is fixedly connected with baffle 13, and for obstructing water flow, the lateral wall of baffle 13 is fixed with
Rubber ring 12, rubber ring 12 offset with 11 inner sidewall of lower valve body, and rubber ring 12 plays sealing effect, when use larger pressure water
Stream is introduced into lower valve body 11, and the pressure of water flow moves up baffle 13, and separates in the through-hole of valve body 11, and then realizes water
Stream enters in the through-hole of upper valve body 2 and continues up flowing, when water flow pressure decline, obtains in the first spring 1 with second spring 4
To under effect, sliding block 7 and movable plate 3 realize that baffle 13 is again introduced into lower valve body 11, prevent water flow from flowing backwards in such as lower valve body 11,
It is connected between upper valve body 2 and lower valve body 11 by clamping device；Further, structure is simply easy to implement upper valve body 2 and lower valve
The fixation of body 11；Further, fixed plate 5 is equipped with multiple drainage holes 6, convenient for the flowing of water flow；Further, mobile bar 3
On be arranged with second spring 4, the both ends of second spring 4 are located between fixed plate 5 and sliding block 7, increase mobile bar 3 bullet
Property, and then improve the anti-backflow effect of check-valves；Further, nut 14 is equipped with rotating handles, facilitates rotating nut 14；Into
One step, the upper end of mobile bar 3 is fixed with anti-drop block 17, prevents mobile bar 3 from slipping from fixed plate 5.
Working principle: respectively welding together upper valve body 2 with lower valve body 11 with pipeline, then will be upper using clamping device
Valve body 2 and lower valve body 11 are fixed, and when the water flow of larger pressure enters lower valve body 11, the pressure of water flow makes baffle 13 to moving up
It is dynamic, and separated in the through-hole of valve body 11, and then realize that water flow enters in the through-hole of upper valve body 2 and continue up flowing, works as water flow
When pressure declines, in the case where the first spring 1 obtains effect with second spring 4, sliding block 7 realizes that baffle 13 is again introduced into movable plate 3
In lower valve body 11, rubber ring 12 plays sealing effect, prevents water flow from flowing back in lower valve body 11, while anti-drop block 17 prevents from moving
Bar 3 is slipped from fixed plate 5.The utility model structure novel, by structure easily realize welding type check valve tool
There is very perfect elastic construction, be amenable to prolonged use and be hardly damaged, and non-return effect is obvious.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of welding type check valve, including upper valve body (2), it is characterised in that: the lower end of the upper valve body (2) is equipped with lower valve body
(11), it is respectively equipped with through-hole in the upper valve body (2) and lower valve body (11), the through-hole internal diameter of the upper valve body (2) is greater than lower valve
The through-hole internal diameter of body (11), and two through-bore axis are overlapped, and are equipped with sliding slot between opposite side wall in the upper valve body (2),
It is fixed between opposite side wall in the sliding slot slide bar (8), sliding sleeve is connected to sliding block (7), the slide bar on the slide bar (8)
(8) it is arranged on the first spring (1), the both ends of first spring (1) are located at the upper end of sliding slot upper side wall Yu sliding block (7)
Between, be equipped with mobile bar (3) in the through-hole of the upper valve body (2), the two sides of the mobile bar (3) respectively with two sliding blocks (7)
It is fixedly connected, is fixedly connected with horizontally disposed fixed plate (5) in the through-hole of the upper valve body (2), set on the fixed plate (5)
Have drainage hole (6), fixed plate (5) are run through in the upper end of the mobile bar (3), and the lower end of the mobile bar (3) extends to lower valve body
(11) it in through-hole and is fixedly connected with baffle (13), the lateral wall of the baffle (13) is fixed with rubber ring (12), the rubber
Cushion rubber (12) offsets with lower valve body (11) inner sidewall, is connect between the upper valve body (2) and lower valve body (11) by clamping device.
2. a kind of welding type check valve according to claim 1, it is characterised in that: the clamping device includes two levels
The first clamping plate (9) of setting and second clamping plate (16), and be bonded respectively with upper valve body (2) with lower valve body (11), first folder
It is rotatablely connected between plate (9) and one end of second clamping plate (16) by shaft (10), the first clamping plate (9) and second clamping plate
(16) fixed by screw (15) and nut (14) between the other end.
3. a kind of welding type check valve according to claim 1, it is characterised in that: the fixed plate (5) is equipped with multiple
Drainage hole (6).
4. a kind of welding type check valve according to claim 1, it is characterised in that: be arranged on the mobile bar (3)
The both ends of two springs (4), the second spring (4) are located between fixed plate (5) and sliding block (7).
5. a kind of welding type check valve according to claim 2, it is characterised in that: the nut (14) is equipped with rotation handle
Hand.
6. a kind of welding type check valve according to claim 1, it is characterised in that: the upper end of the mobile bar (3) is fixed
There are anti-drop block (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820831697.0U CN208381397U (en) | 2018-05-31 | 2018-05-31 | A kind of welding type check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820831697.0U CN208381397U (en) | 2018-05-31 | 2018-05-31 | A kind of welding type check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208381397U true CN208381397U (en) | 2019-01-15 |
Family
ID=64968688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820831697.0U Expired - Fee Related CN208381397U (en) | 2018-05-31 | 2018-05-31 | A kind of welding type check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208381397U (en) |
-
2018
- 2018-05-31 CN CN201820831697.0U patent/CN208381397U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20190115 Termination date: 20210531 |