CN213744944U - Bolt type quick-closing valve - Google Patents
Bolt type quick-closing valve Download PDFInfo
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- CN213744944U CN213744944U CN202022751885.2U CN202022751885U CN213744944U CN 213744944 U CN213744944 U CN 213744944U CN 202022751885 U CN202022751885 U CN 202022751885U CN 213744944 U CN213744944 U CN 213744944U
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- valve
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- closing
- rod
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Abstract
The utility model discloses a bolt formula fast valve, including the valve body, valve gap and valve rod, valve gap connection is in the top of valve body, and the top of valve gap is equipped with detachable guide baffle, is equipped with the sealing member between valve rod and the valve gap, and the top of sealing member is equipped with and compresses tightly the spiral shell lid, compresses tightly spiral shell lid spiro union in valve gap, and the valve gap is open structure, and the top of valve gap is equipped with detachable guide baffle, and guide baffle just can change and maintain the operation corresponding spare part under the dismantlement, need not to pull down whole valve gap, improves the convenience of changing and maintaining, has also reduced the influence to the pipeline.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to bolt formula fast valve of closing.
Background
The existing quick-closing valve is provided with a valve cover and a valve body, when the inner parts of the valve need to be replaced or maintained, the valve cover needs to be detached to replace and maintain, the operation is inconvenient, the efficiency is lower, and the influence on a pipeline caused by detaching the valve cover is large.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a bolt formula fast valve of closing, its valve gap is open structure, and the top of valve gap is equipped with detachable guide baffle, dismantles down guide baffle just can change and maintain the operation corresponding spare part, need not to pull down whole valve gap, improves the convenience of changing and maintaining, has also reduced the influence to the pipeline, when having solved current fast valve of closing and changing the sealing member, need dismantle the valve gap, and the operation is inconvenient, also great problem to the influence of pipeline.
To achieve the purpose, the utility model adopts the following technical proposal:
the plug pin type quick-closing valve comprises a valve body, a valve cover and a valve rod, wherein the valve cover is connected above the valve body;
the top of the valve cover is provided with a detachable guide baffle;
a sealing element is arranged between the valve rod and the valve cover, a pressing screw cap is arranged above the sealing element, and the pressing screw cap is in threaded connection with the valve cover.
From this, the top of valve gap is open structure, is equipped with detachable construction's guide baffle, when needs change the sealing member, pulls down guide baffle, then pulls down and compresses tightly the spiral shell lid and just can carry out the change of sealing member for need not to dismantle the valve gap when the sealing member is changed, the convenient operation of changing, raise the efficiency, reduce the influence to the pipeline.
In some embodiments, the valve cover is provided with a seal groove capable of receiving a seal;
the valve cover is provided with a thread groove matched with the pressing screw cover;
the sealing groove and the thread groove are both provided with the bottom of the inner cavity of the valve cover.
From this, the outer peripheral face and the seal groove of sealing member offset, and the inner peripheral face offsets with the valve rod to reach sealed effect, compress tightly the spiral shell lid spiro union in thread groove, can compress tightly the sealing member, guarantee sealed effect.
In some embodiments, the guide flapper is removably attached to the valve cap by screws or bolts.
From this, the top of valve gap is equipped with the screw hole, and the connection can be dismantled through threaded connection structure realization such as screw to the direction baffle.
In some embodiments, the quick-closing valve further comprises a nut body and a sleeve ring, wherein the nut body and the sleeve ring are both arranged in the inner cavity of the valve cover and are connected with the valve rod, and the sleeve ring is provided with a positioning screw.
Therefore, the nut body and the lantern ring are connected with the valve rod through the thread structure, the nut body can drive the valve rod to move up and down in a reaction mode, and the lantern ring has a certain limiting effect.
In some embodiments, a hand wheel is arranged on the top of the valve rod, and a fixing nut is arranged above the hand wheel.
Therefore, the hand wheel is connected to the top of the valve rod through the fixing nut and can drive the valve rod to rotate.
In some embodiments, a valve disc is attached to the bottom of the valve stem.
Therefore, the valve disc is driven by the valve rod to open, close and adjust the valve body.
In some embodiments, a spring is disposed between the valve disc and the valve cover;
a control pad is arranged between the valve disc and the valve rod.
In some embodiments, the valve body is provided with a first flow passage and a second flow passage, and a valve seat is arranged at the communication position between the first flow passage and the second flow passage;
the valve disc is provided with a sealing surface which is matched with the valve seat.
Therefore, the sealing surface can be matched with the valve seat in an abutting mode, and the connection sealing performance is improved.
The utility model has the advantages that: the top of valve gap is equipped with detachable guide baffle, conveniently changes and maintains spare parts such as sealing member, improves work efficiency, need not to dismantle whole valve gap down during the maintenance, reduces the influence to the pipeline.
Drawings
Fig. 1 is a structural diagram of a plug type quick closing valve of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is an enlarged view of a portion of FIG. 1 at B;
wherein: 1-a valve body; 11-a first flow channel; 12-a second flow channel; 13-a valve seat; 2-valve cover; 21-a sealing groove; 22-thread groove; 23-a guide baffle; 3-a valve stem; 31-a hand wheel; 32-a fixing nut; 4-valve disc; 41-sealing surface; 51-a spring; 52-control pad; 6-a seal; 7-pressing a screw cap; 81-a nut body; 82-a collar; 821-a set screw; 9-an operating device; 91-cylinder body.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 to 3, the latch type quick-closing valve comprises a valve body 1, a valve cover 2 and a valve rod 3, wherein the valve cover 2 is connected above the valve body 1;
the top of the valve cover 2 is provided with a detachable guide baffle plate 23;
a sealing element 6 is arranged between the valve rod 3 and the valve cover 2, a pressing screw cap 7 is arranged above the sealing element 6, and the pressing screw cap 7 is screwed on the valve cover 2.
Further, the valve cover 2 is provided with a sealing groove 21 capable of accommodating the sealing member 6;
the valve cover 2 is provided with a thread groove 22 matched with the pressing screw cover 7; the sealing groove 21 and the thread groove 22 are both provided with the bottom of the inner cavity of the valve cover 2.
To explain further, the guide flapper 23 is detachably attached to the bonnet 2 by a screw or bolt.
Further, the quick-closing valve further comprises a nut body 81 and a collar 82, wherein the nut body 81 and the collar 82 are both arranged in the inner cavity of the valve cap 2 and are connected with the valve rod 3, and the collar 82 is provided with a positioning screw 821.
Further, a hand wheel 31 is arranged at the top of the valve rod 3, and a fixing nut 32 is arranged above the hand wheel 31.
Further, a valve disc 4 is attached to the bottom of the valve stem 3.
Further, a spring 51 is arranged between the valve disc 4 and the valve cover 2; a control pad 52 is provided between the valve disc 4 and the valve stem 3.
Further, the valve body 1 is provided with a first flow passage 11 and a second flow passage 12, and a valve seat 13 is arranged at the communication position between the first flow passage 11 and the second flow passage 12;
the valve disc 4 is provided with a sealing surface 41 which cooperates with the valve seat 13.
The working principle is as follows:
the quick-closing valve realizes opening, closing and adjusting of the valve body 1 through the valve rod 3 of bolt formula, the quick-closing valve comprises a valve body 1 and a valve cover 2, the valve body 1 is provided with a first flow channel 11 and a second flow channel 12, a communicating part between the first flow channel 11 and the second flow channel 12 is provided with a valve seat 13, the valve cover 2 is connected above the valve body 1 through a bolt, the valve rod 3 can be vertically adjusted and is connected on the valve cover 2, the top of the valve rod 3 extends out of the valve cover 2 and is provided with a hand wheel 31, and the bottom of the valve rod 3 extends out of the valve cover 2 and is provided with a valve disc 4.
The valve cap 2 is of a similar cylindrical structure, the top of the valve cap 2 is of an open structure, the top of the valve cap 2 is detachably connected with the guide baffle plate 23 through a fastening piece such as a screw or a bolt, a nut body 81 is arranged in an inner cavity of the valve cap 2, a threaded hole of the nut body 81 is in threaded connection with the valve rod 3 to provide reaction force for the up-and-down movement of the valve rod 3, a lantern ring 82 is arranged below the nut body 81, the lantern ring 82 is connected to the valve rod 3 through a threaded structure, and position limitation is carried out through a radially arranged positioning screw 821.
The bottom of the inner chamber of valve gap 2 is equipped with seal groove 21 and thread groove 22, seal groove 21 is equipped with sealing member 6, sealing member 6 can be for sealing rubber ring isotructure, sealing member 6 makes and forms seal structure between valve rod 3 and the valve gap 2, seal groove 21 is connected with gland screw lid 7 through thread structure, be used for gland sealing member 6, guarantee sealed effect, and seal structure is the inversion formula, sealing member 6 and gland screw lid 7 are installed from top to bottom promptly, with the cooperation of 23 structures of detachable direction baffle, realize convenient change and maintenance.
When the parts in the inner cavity of the valve cover 2 need to be replaced and maintained, the valve rod 3 is adjusted upwards to the highest point, and then the hand wheel 31 and the guide baffle plate 23 are disassembled to carry out corresponding part replacement and maintenance operation.
When the sealing element 6 needs to be replaced, the valve rod 3 is adjusted upwards to the highest point, then the hand wheel 31, the guide baffle plate 23, the nut body 81 and the lantern ring 82 are sequentially disassembled, and finally the compression screw cap 7 is disassembled, so that the sealing element 6 can be replaced.
Therefore, the whole valve cover 2 does not need to be detached in the operation, the influence on pipelines is greatly reduced, the convenience of replacement and maintenance of parts is improved, and the efficiency is improved.
An operating device 9 is further arranged on one side of the valve cover 2, the operating device 9 is provided with a handle and a cylinder body 91, and the cylinder body 91 can be an air cylinder or a hydraulic cylinder.
The bottom of valve rod 3 is connected with valve disc 4, is equipped with spring 51 between valve disc 4 and the valve body 1, and valve disc 4 is equipped with the sealed face 41 with valve seat 13 matched with.
What has been disclosed above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.
Claims (8)
1. The bolt type quick-closing valve is characterized by comprising a valve body (1), a valve cover (2) and a valve rod (3), wherein the valve cover (2) is connected above the valve body (1);
a detachable guide baffle plate (23) is arranged at the top of the valve cover (2);
be equipped with sealing member (6) between valve rod (3) and valve gap (2), the top of sealing member (6) is equipped with compresses tightly spiral shell lid (7), compress tightly spiral shell lid (7) spiro union in valve gap (2).
2. A plug quick-closing valve according to claim 1, characterized in that the valve cover (2) is provided with a sealing groove (21) able to accommodate the seal (6);
the valve cover (2) is provided with a thread groove (22) matched with the pressing screw cover (7);
the sealing groove (21) and the thread groove (22) are both provided with the bottom of the inner cavity of the valve cover (2).
3. A latch quick-closing valve according to claim 1, characterised in that the guide flapper (23) is detachably connected to the valve cap (2) by means of screws or bolts.
4. A plug-type quick closing valve according to any one of claims 1 to 3, further comprising a nut body (81) and a collar (82), wherein the nut body (81) and the collar (82) are both arranged in the inner cavity of the valve cap (2) and are connected with the valve rod (3), and the collar (82) is provided with a positioning screw (821).
5. A plug type quick closing valve according to any one of claims 1 to 3, characterized in that a hand wheel (31) is arranged at the top of the valve rod (3), and a fixing nut (32) is arranged above the hand wheel (31).
6. A plug quick closing valve according to any one of claims 1-3, characterised in that a valve disc (4) is attached to the bottom of the valve stem (3).
7. The latch quick-closing valve according to claim 6, characterized in that a spring (51) is arranged between the valve disc (4) and the valve cover (2);
a control pad (52) is arranged between the valve disc (4) and the valve rod (3).
8. A pin quick shut-off valve according to claim 6, characterised in that the valve body (1) is provided with a first flow channel (11) and a second flow channel (12), and that the communication between the first flow channel (11) and the second flow channel (12) is provided with a valve seat (13);
the valve disc (4) is provided with a sealing surface (41) which is matched with the valve seat (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022751885.2U CN213744944U (en) | 2020-11-24 | 2020-11-24 | Bolt type quick-closing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022751885.2U CN213744944U (en) | 2020-11-24 | 2020-11-24 | Bolt type quick-closing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213744944U true CN213744944U (en) | 2021-07-20 |
Family
ID=76828707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022751885.2U Active CN213744944U (en) | 2020-11-24 | 2020-11-24 | Bolt type quick-closing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213744944U (en) |
-
2020
- 2020-11-24 CN CN202022751885.2U patent/CN213744944U/en active Active
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