CN203571091U - Double-loose-joint ball valve - Google Patents
Double-loose-joint ball valve Download PDFInfo
- Publication number
- CN203571091U CN203571091U CN201320683200.2U CN201320683200U CN203571091U CN 203571091 U CN203571091 U CN 203571091U CN 201320683200 U CN201320683200 U CN 201320683200U CN 203571091 U CN203571091 U CN 203571091U
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- China
- Prior art keywords
- ball valve
- bonnet
- double
- main body
- joint
- 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 - Lifetime
Links
- 230000000295 complement effect Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
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- Taps Or Cocks (AREA)
- Valve Housings (AREA)
Abstract
The utility model provides a double-loose-joint ball valve, and belongs to the technical field of valves. The double-loose-joint ball valve solves the problems that a joint exists on the surface of an existing double-loose-joint ball valve, and water leakage occurs easily. The double-loose-joint ball valve comprises a ball valve body, two tubular plastic connectors and two fixing nuts, an inner cavity of the ball valve body is provided with a ball valve element, the connectors are fixed to the two ends of the ball valve body through the fixing nuts, the inner cavity of the ball valve body is internally provided with a valve bonnet which is located on one side of the ball valve element and fixes the ball valve element, the outer side of the valve bonnet is fixedly connected with the inner side wall of the ball valve body, and the back ends of the connectors are provided with sealing rings which are tightly pressed on the gap between the valve bonnet and the ball valve body and used for carrying out sealing. The double-loose-joint ball valve has the advantages of being simple in structure, convenient to install, stable and reliable in connector, free of joints in surface of ball valve, capable of avoiding the leak through phenomenon and the like.
Description
Technical field
The utility model belongs to valve technology field, refers in particular to a kind of Double-active-joint ball valve.
Background technique
Double-active-joint ball valve is comparatively common on the market, and it is simple in structure is that the connecting tube at two ends is PPR material, and centre is Metal Ball valve, and it can be used for during pipeline rehabilitation and pipeline connect, easy to operate.
At present, common ball-valve structure is; Comprise ball valve body in a tubular form, inner chamber one side of ball valve body is wholely set restraining position ring block, spool is arranged in ball valve body, opposite side is fixed spool is fixed by bonnet and ball valve body inner chamber, after in existing structure, bonnet and ball valve body are fixed, bonnet stretches out ball valve body or concordant with ball valve body end face, in the long-time use of ball valve or alternately variation of temperature, being connected between the outer wall of bonnet and ball valve body inwall easily produces gap, causes weeping to produce.
Summary of the invention
The purpose of this utility model is the defect existing in prior art, proposed a kind of simple and practical, Double-active-joint ball valve that sealability is strong, it is arranged on bonnet in ball valve main body, and ball valve surface is without connecing gap, and be pressed on joint gap place with seal ring, realize better sealing.
The purpose of this utility model is achieved in that
Double-active-joint ball valve, comprise ball valve main body, two in a tubular form mould connecting head processed and two hold-doun nuts, the inner chamber of ball valve main body is provided with ball valve core, described connecting head is fixed on the two ends of ball valve main body by hold-doun nut, it is characterized in that: in the inner chamber of described ball valve main body, be provided with and be positioned at a side of ball valve core the bonnet of fixing ball valve core, the madial wall of the outside of described bonnet and ball valve main body is fixedly connected, and the rear end of described connecting head is provided with and is pressed on the seal ring that bonnet and ball valve main body gap location seal.
In above-mentioned Double-active-joint ball valve, the madial wall of described ball valve main body is fixedly connected with by screw thread with bonnet.
In above-mentioned Double-active-joint ball valve, opening and the bonnet of described ball valve main body are equipped with concave shaped portion, and two concave shaped portion complement each other to form seal ring draw-in groove.
In above-mentioned Double-active-joint ball valve, on described bonnet, offer the opening groove of being convenient to turn nut.
The utility model compared to existing technology outstanding and useful technique effect is:
1, of the present utility model simple in structure, easy for installation, interface is reliable and stable.
2, in the utility model, ball valve surface is without seam, and the sealed circle top tight sealing in the gap of bonnet and ball valve main body, has avoided the generation of weeping.
3, the utility model adopts hold-doun nut locking connector, connects firm and high-seal.
Accompanying drawing explanation
Fig. 1 is STRUCTURE DECOMPOSITION side view of the present utility model.
Fig. 2 is STRUCTURE DECOMPOSITION stereogram of the present utility model.
Fig. 3 is partial structurtes schematic diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, with specific embodiment, the utility model is further described, referring to Fig. 1-3:
Double-active-joint ball valve, comprise ball valve main body 1, two in a tubular form mould connecting head 2 processed and two hold-doun nuts 3, the inner chamber of ball valve main body is provided with ball valve core 7, described connecting head is fixed on the two ends of ball valve main body by hold-doun nut, in the inner chamber of described ball valve main body, be provided with and be positioned at a side of ball valve core the bonnet 4 of fixing ball valve core, the madial wall of the outside of described bonnet and ball valve main body is fixedly connected, and the rear end of described connecting head is provided with and is pressed on the seal ring 5 that bonnet and 9 places, ball valve main body gap seal.
The utility model is a kind of PPR Double-active-joint ball valve, and the above-mentioned connecting head 2 processed of moulding is to adopt material to make.
In the utility model, bonnet is arranged in ball valve main body, ball valve body surfaces is without connecing gap, even if produce and become flexible between bonnet and ball valve main body, it is large that gap becomes, current can not flow out outside ball valve yet, the generation of therefore having stopped weeping, in the utility model, the rear end of connecting head arranges seal ring simultaneously, presses closer the joint gap place in bonnet and ball valve main body, form sealing together, prevent gap location leakage.
The madial wall of described ball valve main body is fixedly connected with by screw thread with bonnet.
Opening and the bonnet of described ball valve main body are equipped with concave shaped portion, and two concave shaped portion complement each other to form seal ring draw-in groove 6.The joint of bonnet and ball valve main body is smooth-going, and seal ring holds out against in seal ring draw-in groove 6, and the gap between shutoff bonnet and ball valve main body forms sealing.
On described bonnet, offer the opening groove 8 of being convenient to turn nut.
Above-described embodiment is only preferred embodiment of the present utility model, not limits according to this protection domain of the present utility model, therefore: all equivalences of doing according to structure of the present utility model, shape, principle change, within all should being covered by protection domain of the present utility model.
Claims (4)
1. Double-active-joint ball valve, comprise ball valve main body (1), two in a tubular form mould connecting head processed (2) and two hold-doun nuts (3), the inner chamber of ball valve main body is provided with ball valve core (7), described connecting head is fixed on the two ends of ball valve main body by hold-doun nut, it is characterized in that: in the inner chamber of described ball valve main body, be provided with and be positioned at a side of ball valve core the bonnet (4) of fixing ball valve core, the madial wall of the outside of described bonnet and ball valve main body is fixedly connected, the rear end of described connecting head is provided with and is pressed on the seal ring (5) that bonnet and ball valve main body gap (9) are located to seal.
2. Double-active-joint ball valve according to claim 1, is characterized in that: the madial wall of described ball valve main body is fixedly connected with by screw thread with bonnet.
3. Double-active-joint ball valve according to claim 1, is characterized in that: opening and the bonnet of described ball valve main body are equipped with concave shaped portion, and two concave shaped portion complement each other to form seal ring draw-in groove (6).
4. Double-active-joint ball valve according to claim 1, is characterized in that: on described bonnet, offer the opening groove (8) of being convenient to turn nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320683200.2U CN203571091U (en) | 2013-10-31 | 2013-10-31 | Double-loose-joint ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320683200.2U CN203571091U (en) | 2013-10-31 | 2013-10-31 | Double-loose-joint ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203571091U true CN203571091U (en) | 2014-04-30 |
Family
ID=50538823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320683200.2U Expired - Lifetime CN203571091U (en) | 2013-10-31 | 2013-10-31 | Double-loose-joint ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203571091U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736728A (en) * | 2016-04-13 | 2016-07-06 | 章俊 | Ball valve |
-
2013
- 2013-10-31 CN CN201320683200.2U patent/CN203571091U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736728A (en) * | 2016-04-13 | 2016-07-06 | 章俊 | Ball valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140430 |