CN207864675U - A kind of screw thread welding ball valve - Google Patents
A kind of screw thread welding ball valve Download PDFInfo
- Publication number
- CN207864675U CN207864675U CN201721391128.0U CN201721391128U CN207864675U CN 207864675 U CN207864675 U CN 207864675U CN 201721391128 U CN201721391128 U CN 201721391128U CN 207864675 U CN207864675 U CN 207864675U
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- CN
- China
- Prior art keywords
- ball valve
- metal
- internally provided
- cylinder
- screw thread
- 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
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Abstract
The utility model discloses a kind of screw thread welding ball valves, including shell and delivery pipe, it is equipped with delivery pipe at left and right sides of the shell, the lower part of the shell is equipped with the second convex block, and the connecting rod is connected through sliding slot with sliding block, and the right lateral surface of the sliding block is equipped with spring, the upper surface of first convex block is equipped with cylinder, the cylinder is internally provided with airtight and watertight padding, and the upper end of the cylinder is equipped with head cover, and the shaft sequentially passes through cylinder, airtight and watertight padding and head cover from top to bottom.The screw thread welding ball valve, whether the flowing of delivery pipe delivered inside substance being controlled during the use of ball valve by rotating metal ball, conveying substance can be allow to pass through ball valve by opening ball valve, pushing the second rubber ring to carry out movement by metal ring can be such that the second rubber ring is closely connect with metal ball, to improve the leakproofness of ball valve, the problem of causing leakproofness to decline using rear rubber ring surface abrasion for a long time is avoided.
Description
Technical field
The utility model is related to screw thread welding ball valve technical field, specially a kind of screw thread welding ball valve.
Background technology
With the fast development of urban renewal, natural gas line, heating system, a large amount of layings of heating system, to switch
The demand of valve is more next, especially higher and higher to the demand of ball valve and its quality requirement, and the ball valve of the prior art is welding
Connect and its package assembly on, standard is not high, and when for needing to carry the larger pipeline of pressure, security performance is not high, and existing
Technology ball valve, the torque that switch closes needs is larger, inconvenient, and the sealing performance of the ball valve of the prior art is not high, is pacifying
When filling connecting line, sealing performance is not high, and security performance is not high, therefore, it is necessary on the basis of the prior art, design
Research and development are a kind of reasonable in design, and switching manipulation is convenient, and installation connecting line is convenient, and leakproofness is high, can be widely applied to natural
Gas, heating system, municipal pipeline transformation, welding ball valve such as 205423915 U's of Patent No. CN of old city pipeline transformation etc.
Patent, including valve body are welded on the Thread valve pipe of valve body arranged on left and right sides, in the sphere of valve inner, Thread valve pipe
Portion is equipped with seal receptacle close to ball position, and sphere installation is equipped with support ring on seal receptacle on seal receptacle, although solving
Sealing performance is not high, the not high problem of security performance, but there are still sealed for a long time using rear rubber ring surface abrasion
Property decline the problem of.
Utility model content
The purpose of this utility model is to provide one kind, to solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides the following technical solutions：A kind of screw thread welding ball valve, including shell and
Delivery pipe, delivery pipe is equipped at left and right sides of the shell, and the lower part of the shell is equipped with the second convex block, second convex block
Be internally provided with second bearing, the second bearing is internally provided with the first bull stick, first bull stick by second bearing with
Second convex block is connected, and the upper end of first bull stick is equipped with metal ball, and the metal ball is internally provided with through-hole, the metal ball
The left and right sides be equipped with the second rubber ring, the right lateral surface of second rubber ring is equipped with metal ring, the metal ring
Right lateral surface be equipped with connecting rod, the right side of the connecting rod is equipped with sliding slot, and the sliding slot is internally provided with sliding block, the connection
Bar is connected through sliding slot with sliding block, and the right lateral surface of the sliding block is equipped with spring, and the right end sliding slot of the spring is connected, the gold
The upper surface for belonging to ball is equipped with shaft, and the outer surface of the shaft is equipped with first bearing, and the outside of the first bearing is equipped with first
Convex block, the shaft are connected by first bearing with the first convex block, and the upper surface of first convex block is equipped with cylinder, the cylinder
Be internally provided with airtight and watertight padding, the upper end of the cylinder is equipped with head cover, and the shaft sequentially passes through cylinder from top to bottom, sealing is filled out
Material and head cover.
Preferably, the top of the shaft is equipped with top plate, and the right side upper surface of the top plate is equipped with annulus, the annulus
It is internally provided with the second bull stick, the top of second bull stick is equipped with the first hollow pipe, and first hollow pipe passes through second turn
Bar is connected with annulus, and first hollow pipe is internally provided with the second hollow pipe, and second hollow pipe is internally provided with metal
Connecting rod.
Preferably, spring base is internally provided on the right side of the spring, the right end of the spring base is connected with sliding slot.
Preferably, the lower surface of the head cover is equipped with the first rubber ring.
Preferably, the right end outer surface of the metal link rod is equipped with rubber sleeve.
Compared with prior art, the utility model has the beneficial effects that：The screw thread welding ball valve, in the use process of ball valve
In by rotate metal ball control delivery pipe delivered inside substance flowing whether, by open ball valve can make conveying substance can
To pass through ball valve, the surface of the second rubber ring rubs with metal ball after long-time use, the table of the second rubber ring
There is gap with metal ball in face friction posterior surface, pushes sliding block to be moved by spring, sliding block pushes metal by connecting rod
Annulus is moved, and pushing the second rubber ring to carry out movement by metal ring can be such that the second rubber ring is carried out tightly with metal ball
Close connection is avoided and is caused under leakproofness using rear rubber ring surface abrasion for a long time to improve the leakproofness of ball valve
The problem of drop.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the metal ball left side structure schematic diagram of the utility model；
Fig. 3 is the sliding slot internal structure schematic diagram of the utility model；
Fig. 4 is the top board structure schematic diagram of the utility model.
In figure：1, shell, 2, first bearing, 3, top plate, 4, airtight and watertight padding, 5, cylinder, the 6, first convex block, 7, sliding slot, 8,
Spring, 9, metal ball, 10, second bearing, the 11, first bull stick, the 12, second convex block, 13, delivery pipe, the 14, second bull stick, 15, circle
Ring, the 16, first hollow pipe, the 17, second hollow pipe, 18, metallic struts, 19, rubber sleeve, 20, head cover, the 21, first rubber ring,
22, metal ring, 23, through-hole, 24, sliding block, 25, spring base, the 26, second rubber ring, 27, connecting rod, 28, shaft.
Specific implementation mode
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
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 4 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of screw thread welding ball valve, including shell 1 and defeated
Pipe 13, the left and right sides of shell 1 is sent to be equipped with delivery pipe 13, delivery pipe 13 is used for being conveyed, and the lower part of shell 1 is equipped with second
Convex block 12, the second convex block 12 are internally provided with second bearing 10, and second bearing 10 is internally provided with the first bull stick 11, second bearing
10 can reduce the frictional force between the first bull stick 11 and the second convex block 12, and the first bull stick 11 is convex by second bearing 10 and second
Block 12 is connected, and the upper end of the first bull stick 11 is equipped with metal ball 9, and metal ball 9 is internally provided with through-hole 23, the left and right two of metal ball 9
Side is equipped with the second rubber ring 26, and the second rubber ring 26 is contacted with the surface of metal ball 9, passes through the second rubber ring 26 and gold
Sealing can be played the role of by belonging to the close contact of ball 9, and the right lateral surface of the second rubber ring 26 is equipped with metal ring 22, round metal
Ring 22 can play the second rubber ring 26 of support, and the right lateral surface of metal ring 22 is equipped with connecting rod 27, the right side of connecting rod 27
Equipped with sliding slot 7, sliding slot 7 is internally provided with sliding block 24, and sliding block 24 can be slided in the inside of sliding slot 7, and connecting rod 27 runs through
Sliding slot 7 is connected with sliding block 24, and the right lateral surface of sliding block 24 is equipped with spring 8, and spring 8 pushes sliding block 24, passes through sliding block to the left always
24 push connecting rod 27, connecting rod 27 that metal ring 22 is pushed to be moved to the left, and the second rubber is pushed by metal ring 22
Annulus 26 rubs with metal ball 9, the second rubber ring 26 can be made to be contacted with metal ball 9 by the promotion of spring 8 and more stepped up
It is close, the leakproofness of ball valve is improved, the right end sliding slot 7 of spring 8 is connected, and the right side of spring 8 is internally provided with spring base 25, spring base
25 right end is connected with sliding slot 7, and the upper surface of metal ball 9 is equipped with shaft 28, and the top of shaft 28 is equipped with top plate 3, the right side of top plate 3
Side upper surface is equipped with annulus 15, and annulus 15 is internally provided with the second bull stick 14, and it is hollow that the top of the second bull stick 14 is equipped with first
Pipe 16, the first hollow pipe 16 are connected by the second bull stick 14 with annulus 15, and the first hollow pipe 16 is internally provided with the second hollow pipe
17, the second hollow pipe 17 can be slided in the inside of the first hollow pipe 17, and the second hollow pipe 17 is internally provided with metal company
Bar 18, metal link rod 18 can be slided in the inside of the second hollow pipe 17, by pulling metal link rod 18 that can incite somebody to action to the right
Metal link rod 18 to pulling, by pull to the right metal link rod 18 can drive metal link rod 18 and the second hollow cylinder 17 to the right into
Row movement reduces use to make the distance of the left end of the 18 to the first hollow pipe of metal link rod 17 increase to increase torque
The right end outer surface of the strength of person's rotating shaft 28, metal link rod 18 is equipped with rubber sleeve 19, and the outer surface of shaft 28 is equipped with first
The outside of bearing 2, first bearing 2 is equipped with the first convex block 6, and shaft 28 is connected by first bearing 2 with the first convex block 6, and first is convex
The upper surface of block 6 is equipped with cylinder 5, and cylinder 5 is internally provided with airtight and watertight padding 4, and the upper end of cylinder 5 is equipped with head cover 20, head cover 20
Lower surface is equipped with the first rubber ring 21, and shaft 28 sequentially passes through cylinder 5, airtight and watertight padding 4 and head cover 20 from top to bottom.
In use, user can drive metal ball 9 to rotate by rotating shaft 28, metal ball 9 surrounds first axle
Hold 2 and second bearing 10 rotated, the through-hole 23 inside metal ball 9 can be made to be rotated by the rotation of metal ball 9, lead to
Hole 23 be connected with delivery pipe 13 conveying object can pass through, rotation metal ball 9 drive through-hole 23 rotated, pass through through-hole 23 turn
Dynamic that through-hole 23 is made not to be connected with delivery pipe 13, being connected with metal ball 9 by the second rubber ring 26 can be by delivery pipe 13
Top is sealed, and pushes sliding block 24 to be moved by spring 8, and sliding block 24 can push connecting rod 27 to be moved to the left,
Pushing metal ring 22 to carry out movement to the left by connecting rod 27 can push the second rubber ring 26 to be moved to the left, pass through gold
Belonging to the promotion of annulus 22 can make the second rubber ring 26 and the contact of metal ball 9 even closer, to improve the sealing of ball valve
Property, after 26 long-time of the second rubber ring is using surface abrasion the promotion of spring 8 can make the second rubber ring 26 continue close contact,
It avoids to contact with the surface of metal ball 9 after the surface abrasion of the second rubber ring 26 after long-time use and not cause under leakproofness sternly
The problem of drop.
In the description of the present invention, it should be understood that term " coaxial ", " bottom ", " one end ", " top ", " in
The orientation of the instructions such as portion ", " other end ", "upper", " side ", " top ", "inner", " front ", " center ", " both ends " or position are closed
System is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, rather than
Indicate or imply that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore cannot
It is construed as a limitation of the present invention.
In the present invention unless specifically defined or limited otherwise, term " installation ", " setting ", " connection ", " Gu
Calmly ", the terms such as " being screwed on " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；
It can be mechanical connection, can also be electrical connection；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly, for this field
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of screw thread welding ball valve, including shell (1) and delivery pipe (13), it is equipped at left and right sides of the shell (1) defeated
Send pipe (13), it is characterised in that：The lower part of the shell (1) is equipped with the second convex block (12), the inside of second convex block (12)
Equipped with second bearing (10), the second bearing (10) is internally provided with the first bull stick (11), and first bull stick (11) passes through
Second bearing (10) is connected with the second convex block (12), and the upper end of first bull stick (11) is equipped with metal ball (9), the metal ball
(9) be internally provided with through-hole (23), the second rubber ring (26), second rubber are equipped at left and right sides of the metal ball (9)
The right lateral surface of rubber ring (26) is equipped with metal ring (22), and the right lateral surface of the metal ring (22) is equipped with connecting rod (27),
The right side of the connecting rod (27) is equipped with sliding slot (7), and the sliding slot (7) is internally provided with sliding block (24), the connecting rod (27)
It is connected with sliding block (24) through sliding slot (7), the right lateral surface of the sliding block (24) is equipped with spring (8), the right end of the spring (8)
Sliding slot (7) is connected, and the upper surface of the metal ball (9) is equipped with shaft (28), and the outer surface of the shaft (28) is equipped with first axle
It holds (2), the outside of the first bearing (2) is equipped with the first convex block (6), and the shaft (28) passes through first bearing (2) and first
Convex block (6) is connected, and the upper surface of first convex block (6) is equipped with cylinder (5), and the cylinder (5) is internally provided with airtight and watertight padding
(4), the upper end of the cylinder (5) is equipped with head cover (20), and the shaft (28) sequentially passes through cylinder (5) from top to bottom, sealing is filled out
Expect (4) and head cover (20).
2. a kind of screw thread welding ball valve according to claim 1, it is characterised in that：The top of the shaft (28) is equipped with top
The right side upper surface of plate (3), the top plate (3) is equipped with annulus (15), and the annulus (15) is internally provided with the second bull stick (14),
The top of second bull stick (14) is equipped with the first hollow pipe (16), and first hollow pipe (16) passes through the second bull stick (14)
It is connected with annulus (15), first hollow pipe (16) is internally provided with the second hollow pipe (17), second hollow pipe (17)
Be internally provided with metal link rod (18).
3. a kind of screw thread welding ball valve according to claim 1, it is characterised in that：It is set inside the right side of the spring (8)
There are spring base (25), the right end of the spring base (25) to be connected with sliding slot (7).
4. a kind of screw thread welding ball valve according to claim 1, it is characterised in that：It installs the lower surface of the head cover (20)
There is the first rubber ring (21).
5. a kind of screw thread welding ball valve according to claim 2, it is characterised in that：Outside the right end of the metal link rod (18)
Surface is equipped with rubber sleeve (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721391128.0U CN207864675U (en) | 2017-10-26 | 2017-10-26 | A kind of screw thread welding ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721391128.0U CN207864675U (en) | 2017-10-26 | 2017-10-26 | A kind of screw thread welding ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207864675U true CN207864675U (en) | 2018-09-14 |
Family
ID=63474397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721391128.0U Expired - Fee Related CN207864675U (en) | 2017-10-26 | 2017-10-26 | A kind of screw thread welding ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207864675U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110296252A (en) * | 2019-05-30 | 2019-10-01 | 刘欢 | A kind of heat supply pipeline ball valve with anti-deforming structure |
-
2017
- 2017-10-26 CN CN201721391128.0U patent/CN207864675U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110296252A (en) * | 2019-05-30 | 2019-10-01 | 刘欢 | A kind of heat supply pipeline ball valve with anti-deforming structure |
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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 |
Granted publication date: 20180914 Termination date: 20201026 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |