CN205136638U - Gate valve - Google Patents
Gate valve Download PDFInfo
- Publication number
- CN205136638U CN205136638U CN201520874713.0U CN201520874713U CN205136638U CN 205136638 U CN205136638 U CN 205136638U CN 201520874713 U CN201520874713 U CN 201520874713U CN 205136638 U CN205136638 U CN 205136638U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- valve rod
- conical surface
- macropore
- 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 relates to the technical field of valves, the concrete gate valve that is, including the valve body, the equal threaded connection in exit both ends of valve body has the valve cap, is connected with the valve gap on the valve body, is equipped with the valve rod in the valve gap, and the valve rod is connected with the flashboard, the both ends of valve body all are equipped with first chamfer, are equipped with the first conical surface in the valve cap, junction between valve body and the valve cap is equipped with yielding metal rand, be equipped with on the metal rand respectively with the third conical surface and the fourth conical surface of first chamfer and first conical surface adaptation, the utility model discloses simple structure, the practicality is strong.
Description
Technical field
The utility model relates to valve technology field, is specially gate valve.
Background technique
Traditional gate valve two ends are all docked by flange with pipeline, then the fastening piece such as fitted bolt is fixed, so design, and fixed effect is naturally fine, but install loaded down with trivial details, working efficiency is low; Meanwhile, the valve rod in traditional gate valve is in the process of opening flashboard, and medium (water) is full of the inside of valve body, causes valve rod place easily to occur the phenomenon of getting rusty, reduces working life.
Model utility content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of gate valve easy for installation.
For achieving the above object, the utility model provides following technological scheme: gate valve, comprise valve body, the import and export two ends of valve body have all been threaded bonnet, valve body is connected with valve gap, valve rod is provided with in valve gap, valve rod is connected with flashboard, the two ends of described valve body are equipped with the first chamfering, first conical surface is provided with in bonnet, joint between described valve body and bonnet is provided with yielding metal collar, metal collar be provided with respectively with having three pyramidal faces and the 4th conical surface of the first chamfering and the first conical surface adaptation, positioning cap has been threaded connection in described valve body, and positioning cap is set in the outside of valve rod, the aperture that positioning cap is provided with macropore and is communicated with macropore, the center line of macropore and the center line of aperture are located along the same line, described valve rod and aperture adaptation, and valve rod is provided with the projection with macropore adaptation, described valve gap has been threaded connection pressure cap, pad and thick washer is provided with successively between pressure cap and valve gap, pad and thick washer are set in the outside of valve rod respectively, the second chamfering is provided with in described valve gap, the outer wall of the second chamfering and thick washer forms the oiling breach of a ring-type.
Contrast the deficiencies in the prior art, the beneficial effect that the technological scheme that the utility model provides is brought: the 1. two ends of valve body are equipped with chamfering, first conical surface is provided with in bonnet, joint between described valve body and bonnet is provided with the yielding metal collar of pressurized, metal collar is by brass, the soft metals such as metallic aluminium are made, metal collar be provided with respectively with having three pyramidal faces and the 4th conical surface of the first chamfering and the first conical surface adaptation, when party docks with other pipe fittings, other pipe fittings stretch in valve body, when screwing bonnet, metal collar is squeezed thus is out of shape, because there is the conflict of chamfering and first conical surface at two ends, metal collar is caused to extrude to the inner side of centre, make pipe clamping at valve inner and fix, and then it is convenient to make gate valve dock with pipe fitting, working efficiency also improves thereupon, it should be noted that: the outer wall of other pipe fittings should be provided with anti-slip tank, distortion place of metal collar is then stuck in anti-slip tank.
2. be threaded connection positioning cap in valve body, and positioning cap is set in the outside of valve rod, the aperture that positioning cap is provided with macropore and is communicated with macropore, the center line of macropore and the center line of aperture are located along the same line, valve rod and aperture adaptation, and valve rod is provided with the projection with macropore adaptation, projection is just stuck in macropore, and there is gap in the inwall of the outer wall of projection and macropore, and valve gap is provided with ring-type, the second chamfering is provided with in described valve gap, the outer wall of the second chamfering and thick washer forms the oiling breach of a ring-type, lubricant oil is added from oiling breach, lubricant oil enters in gap along valve rod, then oil film is formed, prevent medium (water) from entering the joint of valve rod and valve gap, and then the phenomenon effectively preventing the joint of valve rod and valve gap from causing because of water inlet getting rusty occurs, extend working life.
3. valve gap has been threaded connection pressure cap, pad and thick washer is provided with successively between pressure cap and valve gap, pad and thick washer are set in the outside of valve rod respectively, from setting sleeve and these two point location valve rods of bonnet, determine the principle of straight line according to 2, guarantee valve rod rotate process in, its movement locus is also straight line, and then more guarantee that valve rod is when drive ram movement, the movement locus of flashboard is also straight line.
Accompanying drawing explanation
Fig. 1 is cross-sectional schematic of the present utility model.
Fig. 2 is the cross-sectional schematic of valve body.
Fig. 3 is the cross-sectional schematic of bonnet.
Fig. 4 is the cross-sectional schematic of metal collar.
Fig. 5 is the cross-sectional schematic of positioning cap.
Fig. 6 is the G portion enlarged diagram of Fig. 1.
Embodiment
With reference to Fig. 1-Fig. 5, the utility model is described further.
As shown in Figure 1 and Figure 5: gate valve, comprise valve body 1, the import and export two ends of valve body 1 have all been threaded bonnet 2, valve body 1 is connected with valve gap 3, valve rod 4 is provided with in valve gap 3, valve rod 4 is connected with flashboard 5, the two ends of described valve body 1 are equipped with the first chamfering 11, first conical surface 21 is provided with in bonnet 2, joint between described valve body 1 and bonnet 2 is provided with yielding metal collar 6, metal collar 6 be provided with respectively with having three pyramidal faces 61 and the 4th conical surface 62 of the first chamfering 11 and the first conical surface 21 adaptation, positioning cap 7 has been threaded connection in described valve body 1, and positioning cap 7 is set in the outside of valve rod 4, the aperture 72 that positioning cap 7 is provided with macropore 71 and is communicated with macropore 71, the center line of macropore 71 and the center line of aperture 72 are located along the same line, described valve rod 4 is adaptive with aperture 72, and valve rod 4 is provided with the projection 41 with macropore 71 adaptation, described valve gap 3 has been threaded connection pressure cap 8, pad 81 and thick washer 82 is provided with successively between pressure cap 8 and valve gap 3, pad 81 and thick washer 82 are set in the outside of valve rod 4 respectively, the second chamfering 31 is provided with in described valve gap 3, second chamfering 31 and the outer wall of thick washer 82 form the oiling breach of a ring-type.
The two ends of described valve body 1 are equipped with the first chamfering 11, first conical surface 21 is provided with in bonnet 2, joint between described valve body 1 and bonnet 2 is provided with the yielding metal collar 6 of pressurized, metal collar 6 is by brass, the soft metals such as metallic aluminium are made, metal collar 6 be provided with respectively with having three pyramidal faces 61 and the 4th conical surface 62 of the first chamfering 11 and the first conical surface 21 adaptation, when party docks with other pipe fittings, other pipe fittings stretch in valve body 1, when screwing bonnet 2, metal collar 6 is squeezed thus is out of shape, because there is the conflict of chamfering and first conical surface 21 at two ends, metal collar 6 is caused to extrude to the inner side of centre, make pipe clamping inner and fixing at valve body 1, and then it is convenient to make gate valve dock with pipe fitting, working efficiency also improves thereupon, it should be noted that: the outer wall of other pipe fittings should be provided with anti-slip tank, distortion place of metal collar 6 is then stuck in anti-slip tank.
Positioning cap 7 has been threaded connection in valve body 1, and positioning cap 7 is set in the outside of valve rod 4, the aperture 72 that positioning cap 7 is provided with macropore 71 and is communicated with macropore 71, the center line of macropore 71 and the center line of aperture 72 are located along the same line, valve rod 4 is adaptive with aperture 72, and valve rod 4 is provided with the projection 41 with macropore 71 adaptation, protruding 41 are just stuck in macropore 71, and there is gap in the protruding outer wall of 41 and the inwall of macropore 71, and valve gap 3 is provided with ring-type, the second chamfering 31 is provided with in described valve gap 3, second chamfering 31 and the outer wall of thick washer 82 form the oiling breach of a ring-type, lubricant oil is added from oiling breach, lubricant oil enters in gap along valve rod 4, then oil film is formed, prevent medium (water) from entering the joint of valve rod 4 and valve gap 3, and then effectively prevent valve rod 4 from causing the phenomenon of getting rusty to occur because of water inlet with the joint of valve gap 3, extend working life,
Described valve gap 3 has been threaded connection pressure cap 8, pad 81 and thick washer 82 is provided with successively between pressure cap 8 and valve gap 3, pad 81 and thick washer 82 are set in the outside of valve rod 4 respectively, from setting sleeve and these two point location valve rods 4 of bonnet 2, determine the principle of straight line according to 2, guarantee valve rod 4 rotate process in, its movement locus is also straight line, and then more guarantee that valve rod 4 is when drive flashboard 5 moves, the movement locus of flashboard 5 is also straight line.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, those skilled in the art carries out common change and replaces should being included in protection domain of the present utility model within the scope of technical solutions of the utility model.
Claims (1)
1. gate valve, comprise valve body, the import and export two ends of valve body have all been threaded bonnet, valve body is connected with valve gap, valve rod is provided with in valve gap, valve rod is connected with flashboard, it is characterized in that: the two ends of described valve body are equipped with the first chamfering, first conical surface is provided with in bonnet, joint between described valve body and bonnet is provided with yielding metal collar, metal collar be provided with respectively with having three pyramidal faces and the 4th conical surface of the first chamfering and the first conical surface adaptation, positioning cap has been threaded connection in described valve body, and positioning cap is set in the outside of valve rod, the aperture that positioning cap is provided with macropore and is communicated with macropore, the center line of macropore and the center line of aperture are located along the same line, described valve rod and aperture adaptation, and valve rod is provided with the projection with macropore adaptation, described valve gap has been threaded connection pressure cap, pad and thick washer is provided with successively between pressure cap and valve gap, pad and thick washer are set in the outside of valve rod respectively, the second chamfering is provided with in described valve gap, the outer wall of the second chamfering and thick washer forms the oiling breach of a ring-type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520874713.0U CN205136638U (en) | 2015-11-04 | 2015-11-04 | Gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520874713.0U CN205136638U (en) | 2015-11-04 | 2015-11-04 | Gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205136638U true CN205136638U (en) | 2016-04-06 |
Family
ID=55622433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520874713.0U Expired - Fee Related CN205136638U (en) | 2015-11-04 | 2015-11-04 | Gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205136638U (en) |
-
2015
- 2015-11-04 CN CN201520874713.0U patent/CN205136638U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160406 Termination date: 20201104 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |