CN213954438U - Butterfly check valve convenient to installation - Google Patents
Butterfly check valve convenient to installation Download PDFInfo
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- CN213954438U CN213954438U CN202022355098.6U CN202022355098U CN213954438U CN 213954438 U CN213954438 U CN 213954438U CN 202022355098 U CN202022355098 U CN 202022355098U CN 213954438 U CN213954438 U CN 213954438U
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- sliding
- check valve
- top cover
- block
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Abstract
The utility model discloses a butterfly check valve convenient to install, which comprises a fixed bottom cover and a threaded hole, wherein a valve cavity is arranged in the middle of the left end of the fixed bottom cover, a fixed top cover is arranged at the left end of the valve cavity, the outer ring of the fixed top cover is provided with the threaded hole, an upper end extending hole is arranged in the middle of the left end of the fixed top cover, first reset springs are arranged on the upper side and the lower side of the outer right end of the upper end extending hole, a slide block is arranged at the upper end of each first reset spring, a connecting column is arranged at the upper end of each slide block, a pressing block is arranged at the upper end of each connecting column, a hole groove is arranged at the outer side of the middle of each connecting column, a slide rail is arranged at the left end of each slide block, the upper end extending hole forms a slide structure with the fixed top cover through the slide block, and slides in the fixed top cover under the action of the slide block, thereby facilitating the user to take the upper end extension hole out of the device and facilitating the operation of the user.
Description
Technical Field
The utility model relates to a butterfly check valve technical field specifically is a butterfly check valve convenient to installation.
Background
The butterfly check valve is a valve that automatically opens and closes a valve flap depending on the flow of a medium itself to prevent the backflow of the medium, and is also called a check valve, a reverse flow valve, and a back pressure valve.
The butterfly check valve in the market is inconvenient for a user to install in the use process, so that a large amount of time is delayed in the process of installing the butterfly check valve, great troubles are brought to the user, and therefore the butterfly check valve convenient to install is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a butterfly check valve convenient to installation to the in-process of using of the butterfly check valve on the market is put forward in solving above-mentioned background art, and the not convenient to use person installs it, leads to hindering a large amount of time at the in-process of installation butterfly check valve, brings very big troublesome problem for the user.
In order to achieve the above object, the utility model provides a following technical scheme: a butterfly check valve convenient to install comprises a fixed bottom cover and a threaded hole, wherein a valve cavity is arranged in the middle of the left end of the fixed bottom cover, and the left end of the valve cavity is provided with a fixed top cover, the outer ring of the fixed top cover is provided with a threaded hole, the middle part of the left end of the fixed top cover is provided with an upper end extending hole, and the upper and lower sides of the outer right end of the upper end extension hole are provided with first return springs, the upper ends of the first return springs are provided with slide blocks, a connecting post is arranged at the upper end of the sliding block, a pressing block is arranged at the upper end of the connecting post, a hole groove is arranged at the outer side of the middle part of the connecting post, a sliding rail is arranged at the left end of the sliding block, and the middle part of the slide rail is provided with a slide groove, the right end of the upper end extension hole is provided with a lower end extension hole, the inside in upper end extension hole is provided with second reset spring, and second reset spring's inside is provided with the grip block.
Preferably, the upper end extension hole forms a sliding structure with the fixed top cover through the sliding block, and the sliding block is wrapped in the sliding groove.
Preferably, the upper end extension hole and the clamping block form an elastic clamping structure through a second return spring, and the number of the clamping blocks is three.
Preferably, the slide rail is fixedly connected with the valve cavity, and the slide groove is positioned in the middle of the slide rail.
Preferably, the sliding block and the upper end extension hole form an elastic reset structure through a first reset spring, and the first reset spring is elastically connected with the upper end extension hole.
Preferably, the connecting column wraps the inside of the hole groove, and the lower end of the connecting column is attached to the sliding block.
Compared with the prior art, the beneficial effects of the utility model are that: the butterfly check valve convenient to install is provided with a sliding block, an upper end extending hole forms a sliding structure with a fixed top cover through the sliding block, the upper end extending hole slides in the fixed top cover under the action of the sliding block, so that a user can take the upper end extending hole out of the device conveniently, the user can operate the butterfly check valve conveniently, the sliding block is wrapped in the sliding groove, the sliding block stably slides in the sliding groove, the upper end extending hole stably slides, and the stability of the device in the sliding process is enhanced;
the upper end extension hole and the clamping block form an elastic clamping structure through the second reset spring, a user firstly manually presses the clamping block, the clamping block is compressed outwards under the action of the second reset spring, then a horizontal pipeline to be installed penetrates through the inside of the clamping block, after the placement is completed, the external force on the clamping block is removed, at the moment, the clamping block begins to extrude inwards under the action of the second reset spring, so that the horizontal pipeline is clamped and fixed, the number of the clamping blocks is three, the clamping blocks can stably clamp the horizontal pipeline, and the fixed connectivity between devices is enhanced;
the slider extends the hole through first reset spring and upper end and constitutes elasticity reset structure, when the user need extend the hole to the upper end and control the slip, the manual press block of pressing of user, and then the spliced pole that drives the lower extreme removes downwards, thereby extrude the slider of lower extreme, make the first reset spring of slider lower extreme compress, thereby convenient to use person slides the slider, when removing the external force to pressing the press block, first reset spring resets automatically, thereby it upwards moves to drive the slider, and then make the slider fix, be elastic connection between first reset spring and the upper end extension hole, make first reset spring extend the outside in hole in the upper end stable carry out the elastic action to the slider.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the front view of the internal structure of the present invention;
FIG. 3 is a schematic view of a partial enlarged structure at A in FIG. 2 according to the present invention;
fig. 4 is the left view structure diagram of the upper end extension hole of the utility model.
In the figure: 1. fixing the bottom cover; 2. a threaded hole; 3. a valve cavity; 4. fixing the top cover; 5. an upper end extension hole; 6. a lower end extension hole; 7. a slide rail; 8. a chute; 9. a first return spring; 10. a slider; 11. connecting columns; 12. a pressing block; 13. a hole groove; 14. a second return spring; 15. and (4) clamping the block.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a butterfly check valve convenient to install comprises a fixed bottom cover 1, a threaded hole 2, a valve cavity 3, a fixed top cover 4, an upper end extension hole 5, a lower end extension hole 6, a slide rail 7, a sliding groove 8, a first reset spring 9, a slide block 10, a connecting post 11, a pressing block 12, a hole groove 13, a second reset spring 14 and a clamping block 15, wherein the valve cavity 3 is arranged in the middle of the left end of the fixed bottom cover 1, the fixed top cover 4 is arranged at the left end of the valve cavity 3, the threaded hole 2 is arranged on the outer ring of the fixed top cover 4, the upper end extension hole 5 is arranged in the middle of the left end of the fixed top cover 4, the first reset springs 9 are arranged on the upper side and the lower side of the outer right end of the upper end extension hole 5, the slide block 10 is arranged at the upper end of the first reset spring 9, the connecting post 11 is arranged at the upper end of the slide block 10, the pressing block 12 is arranged at the upper end of the connecting post 11, the hole groove 13 is arranged on the outer side of the middle of the connecting post 11, the slide rail 7 is arranged at the left end of the slide block 10, a sliding groove 8 is formed in the middle of the sliding rail 7, a lower end extending hole 6 is formed in the right end of the upper end extending hole 5, a second return spring 14 is arranged inside the upper end extending hole 5, and a clamping block 15 is arranged inside the second return spring 14;
the upper end extending hole 5 and the fixed top cover 4 form a sliding structure through the sliding block 10, the sliding block 10 is wrapped inside the sliding groove 8, the upper end extending hole 5 slides inside the fixed top cover 4 under the action of the sliding block 10, so that a user can conveniently take the upper end extending hole 5 out of the device, the user can conveniently operate the device, the sliding block 10 is wrapped inside the sliding groove 8, the sliding block 10 can stably slide inside the sliding groove 8, the upper end extending hole 5 can stably slide, and the stability of the device in the sliding process is enhanced;
the upper end extension hole 5 and the clamping block 15 form an elastic clamping structure through the second reset spring 14, and the number of the clamping blocks 15 is three, a user firstly presses the clamping block 15 manually, the clamping block 15 is compressed outwards under the action of the second reset spring 14, then a horizontal pipeline to be installed passes through the inside of the clamping block 15, after the placement is completed, the external force on the clamping block 15 is removed, at the moment, the clamping block 15 starts to extrude inwards under the action of the second reset spring 14, so that the horizontal pipeline is clamped and fixed, the number of the clamping blocks 15 is three, the clamping block 15 is enabled to stably clamp the horizontal pipeline, and the fixed connectivity between devices is enhanced;
the sliding rail 7 is fixedly connected with the valve cavity 3, the sliding groove 8 is positioned in the middle of the sliding rail 7, the sliding rail 7 is fixedly connected in the valve cavity 3, the sliding groove 8 is positioned in the middle of the sliding rail 7, and the sliding rail 7 is always kept in a stable state in the sliding process of the sliding block 10, so that the stability of the device is enhanced, and the stability of the sliding rail 7 is ensured in the sliding process;
the slide block 10 forms an elastic reset structure with the upper end extension hole 5 through a first reset spring 9, the first reset spring 9 is elastically connected with the upper end extension hole 5, when the user needs to control the sliding of the upper extending hole 5, the user manually presses the pressing block 12, thereby driving the connecting column 11 at the lower end to move downwards, thereby extruding the slide block 10 at the lower end, compressing the first return spring 9 at the lower end of the slide block 10, thereby facilitating the sliding of the sliding block 10 by the user, when the external force to the pressing block 12 is removed, the first return spring 9 automatically returns to drive the sliding block 10 to move upwards, thereby fixing the slide block 10, the first return spring 9 is elastically connected with the upper end extension hole 5, the first return spring 9 stably performs elastic action on the sliding block 10 outside the upper end extension hole 5;
spliced pole 11 parcel is in the inside of hole groove 13, and laminate each other between spliced pole 11's lower extreme and the slider 10 for spliced pole 11 is stable carries out the removal from top to bottom in hole groove 13, ensures spliced pole 11 at the stability of reciprocating the in-process, laminates each other between spliced pole 11's lower extreme and the slider 10, and the person of facilitating the use can press slider 10 to spliced pole 11 lower extreme through the pressing block 12 of spliced pole 11 upper end.
The working principle is as follows: for the butterfly check valve convenient to install, a user places the butterfly check valve at a specified installation position, the positions of the upper end extension hole 5 and the lower end extension hole 6 are properly adjusted according to actual use conditions, the user manually presses the pressing block 12 to drive the connecting column 11 at the lower end to move downwards so as to extrude the slider 10 at the lower end, the first return spring 9 is extruded, then the user manually pulls the upper end extension hole 5 and the lower end extension hole 6 outwards to drive the slider 10 to slide in the sliding chute 8, so that the upper end extension hole 5 and the lower end extension hole 6 slide out of the valve cavity 3, the sliding rail 7 is fixedly connected in the valve cavity 3 in the sliding process, the sliding rail 7 is always kept in a stable state, the stability of the sliding rail 7 is ensured to be kept in the sliding process, and then the clamping block 15 is manually pressed, under second reset spring 14's effect, grip block 15 compresses to the outside, passes the inside of grip block 15 with the horizontal pipeline of required installation, places after accomplishing, removes the external force to grip block 15, and at this moment under second reset spring 14's effect, grip block 15 begins inwards to extrude to carry out the centre gripping to horizontal pipeline and fix, the person of facilitating the use installs it, saves the time that the user installed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a butterfly check valve convenient to installation, is including fixed bottom (1) and screw hole (2), its characterized in that: a valve cavity (3) is arranged in the middle of the left end of the fixed bottom cover (1), a fixed top cover (4) is arranged at the left end of the valve cavity (3), a threaded hole (2) is formed in the outer ring of the fixed top cover (4), an upper end extending hole (5) is formed in the middle of the left end of the fixed top cover (4), first reset springs (9) are arranged on the upper side and the lower side of the outer right end of the upper end extending hole (5), a sliding block (10) is arranged at the upper end of each first reset spring (9), a connecting column (11) is arranged at the upper end of each sliding block (10), a pressing block (12) is arranged at the upper end of each connecting column (11), a hole groove (13) is formed in the outer side of the middle of each connecting column (11), a sliding rail (7) is arranged at the left end of each sliding block (10), a sliding groove (8) is formed in the middle of each sliding rail (7), and a lower end extending hole (6) is formed at the right end of each upper end extending hole (5), a second return spring (14) is arranged inside the upper end extension hole (5), and a clamping block (15) is arranged inside the second return spring (14).
2. A butterfly check valve for ease of installation in accordance with claim 1, wherein: the upper end extending hole (5) and the fixed top cover (4) form a sliding structure through a sliding block (10), and the sliding block (10) is wrapped inside the sliding groove (8).
3. A butterfly check valve for ease of installation in accordance with claim 1, wherein: the upper end extension hole (5) and the clamping blocks (15) form an elastic clamping structure through a second reset spring (14), and the number of the clamping blocks (15) is three.
4. A butterfly check valve for ease of installation in accordance with claim 1, wherein: the sliding rail (7) is fixedly connected with the valve cavity (3), and the sliding groove (8) is positioned in the middle of the sliding rail (7).
5. A butterfly check valve for ease of installation in accordance with claim 1, wherein: the sliding block (10) and the upper end extension hole (5) form an elastic reset structure through a first reset spring (9), and the first reset spring (9) is elastically connected with the upper end extension hole (5).
6. A butterfly check valve for ease of installation in accordance with claim 1, wherein: the connecting column (11) is wrapped inside the hole groove (13), and the lower end of the connecting column (11) is attached to the sliding block (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022355098.6U CN213954438U (en) | 2020-10-21 | 2020-10-21 | Butterfly check valve convenient to installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022355098.6U CN213954438U (en) | 2020-10-21 | 2020-10-21 | Butterfly check valve convenient to installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213954438U true CN213954438U (en) | 2021-08-13 |
Family
ID=77204417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022355098.6U Active CN213954438U (en) | 2020-10-21 | 2020-10-21 | Butterfly check valve convenient to installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213954438U (en) |
-
2020
- 2020-10-21 CN CN202022355098.6U patent/CN213954438U/en active Active
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