CN210388981U - Positioning structure for assembling groove butterfly valve - Google Patents
Positioning structure for assembling groove butterfly valve Download PDFInfo
- Publication number
- CN210388981U CN210388981U CN201920979044.1U CN201920979044U CN210388981U CN 210388981 U CN210388981 U CN 210388981U CN 201920979044 U CN201920979044 U CN 201920979044U CN 210388981 U CN210388981 U CN 210388981U
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- valve
- groove
- butterfly
- connecting flange
- valve body
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Abstract
The utility model relates to the valve manufacturing field, in particular to a positioning structure for assembling a groove butterfly valve, which is arranged on a workbench for assembly; the groove butterfly valve comprises a valve body, a butterfly plate, a valve sleeve and a connecting flange; the method is characterized in that: the positioning structure comprises a guide post in sleeve fit with the inner wall of the valve body; the diameter of the guide post is equal to that of the butterfly plate; the upper end surface of the guide post is radially provided with a semicircular clamping groove for clamping the butterfly plate; a clamping structure for positioning the connecting flange is further arranged on one side of the guide column; the clamping structure is two rectangular grooves which are arranged on the workbench and have opposite openings; the distance between the bottoms of the two rectangular grooves is greater than the diameter of the connecting flange; the height of the rectangular groove is smaller than the diameter of the connecting flange. The utility model discloses help realizing quick, the accurate installation of slot butterfly valve, and it is easier to take off after the slot butterfly valve installation is accomplished.
Description
Technical Field
The utility model relates to a valve field of making, concretely relates to a location structure for slot butterfly valve assembly.
Background
The groove butterfly valve comprises a valve body, a butterfly plate, a valve sleeve and a connecting flange; the control valve is used for controlling solid materials and is often used as a discharge valve at the bottom of a tank, such as the bottom of a cement tank, a stone powder tank and the like, and is used for discharging and quickly cutting off the materials. The valve body of the groove butterfly valve is made of nodular cast iron, sealing rubber is hung on the inner wall of the valve body, a butterfly plate is fixedly installed in the valve body, and then the valve rod is inserted into the butterfly plate along the radial direction of the valve body.
Chinese patent CN201620346232.7 (a special kludge for a groove butterfly valve) discloses a special kludge for a groove butterfly valve, which comprises a frame and a workbench mounted on the frame, wherein a guide pillar is mounted on one side of the upper top surface of the workbench, an upper beam plate is mounted on the guide pillar, a butterfly plate oil cylinder is mounted on the upper beam plate, a positioning die for mounting a valve body a is arranged at the bottom of the butterfly plate oil cylinder, oil cylinder supports are mounted on two sides of the positioning die, an oil cylinder is mounted on the oil cylinder support, and one end of the oil cylinder passes through the oil cylinder support to be connected with a pressing head. The utility model discloses simple structure, convenient to use, semi-automatic installation operation that can effectual realization slot butterfly valve, great improvement holistic installation progress and work efficiency, the machining precision is higher simultaneously, has improved the life of product.
However, when the butterfly plate is installed in the patent, the valve body needs to be placed firstly, then the butterfly plate is manually placed on the valve body, and then the butterfly plate is pressed into the valve body through the butterfly plate oil cylinder; because the central line alignment of butterfly valve and valve body is difficult to guarantee to manual placing the butterfly valve, consequently the butterfly plate hydro-cylinder presses the butterfly plate very easily when pressing in to influence the leakproofness of butterfly plate. In addition, the positioning die for positioning the valve body is only sleeved with the valve body but does not have the effect of accurately positioning the valve body; this can result in the valve stem pushing the valve body to spin once the valve stem and the valve sleeve are not coaxial when the valve stem is installed, thereby affecting the sealing of the groove butterfly valve and even causing the valve stem to break.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the above-mentioned technical problem who exists among the prior art, provide a location structure that is used for slot butterfly valve assembly that installation accuracy is high.
In order to achieve the above object, the utility model discloses a following technical scheme:
a positioning structure for assembling a groove butterfly valve is arranged on a workbench for assembly; the groove butterfly valve comprises a valve body, a butterfly plate, a valve sleeve and a connecting flange; the positioning structure comprises a guide post in sleeve fit with the inner wall of the valve body; the diameter of the guide post is equal to that of the butterfly plate; the upper end surface of the guide post is radially provided with a semicircular clamping groove for clamping the butterfly plate; a clamping structure for positioning the connecting flange is further arranged on one side of the guide column; the clamping structure is two rectangular grooves which are arranged on the workbench and have opposite openings; the distance between the bottoms of the two rectangular grooves is greater than the diameter of the connecting flange; the height of the rectangular groove is smaller than the diameter of the connecting flange.
Furthermore, a plurality of springs I are arranged below the valve neck or the connecting flange; meanwhile, a plurality of springs II which are opposite to the bottom end of the valve body are uniformly arranged on the outer side of the guide column along the circumferential direction; the first spring and the second spring are both fixed on the workbench.
Furthermore, the first spring and the second spring are equal in height.
The utility model has the advantages and positive effects that:
the positioning structure of the utility model positions the butterfly plate before installation by arranging the clamping groove of the butterfly plate block on the guide post, so that the valve body can move from top to bottom, and the butterfly plate is arranged in the valve body; in addition, the rectangular groove can limit the connecting flange, so that the valve body is prevented from rotating when the valve rod is installed; in addition, the first spring and the second spring which are equal in height and elastic coefficient not only realize flexible installation of the butterfly plate, but also enable the valve body to be stressed equally and to be kept horizontal all the time; and the first spring can limit the butterfly plate, so that the butterfly plate can be conveniently taken off after the groove butterfly valve finished product is installed.
Description of the drawings:
fig. 1 is a top view of the working state of the positioning structure in the preferred embodiment of the present invention;
FIG. 2 is a top view of a positioning structure in a preferred embodiment of the present invention;
FIG. 3 is a top view of a groove butterfly valve in accordance with a preferred embodiment of the present invention;
fig. 4 is a top view of a butterfly plate in a preferred embodiment of the invention.
Wherein: 1. a groove butterfly valve; 1-1, a valve body; 1-2, a butterfly plate; 1-21, valve tube; 1-3, valve sleeve; 1-4, connecting a flange; 1-5, valve stem; 2. a work table; 3. a guide post; 3-1, a clamping groove; 4. a rectangular groove; 5. a first spring; 6. a second spring; 7. the valve rod is provided with an oil cylinder; 8. the valve body is provided with an oil cylinder.
Detailed Description
As shown in FIG. 1, the groove butterfly valve 1 comprises a valve body 1-1, a butterfly plate 1-2, a valve sleeve 1-3, a connecting flange 1-4 and a valve rod 1-5; generally, the valve body 1-1 is sleeved on a cylindrical positioning block only by manpower in the positioning of the butterfly valve 1 with the groove, the positioning precision is low, and the rotation of the valve body 1-1 is easy to occur; in order to overcome this defect, the utility model discloses a location structure for assembly of slot butterfly valve 1, for can further understand the utility model discloses a utility model content, characteristics and efficiency, the following embodiment is listed as to cooperate the figure detailed description as follows:
as shown in fig. 2 to 4, the positioning structure is placed on the table 2 for assembly; the positioning structure comprises a guide post 3 which is in sleeve fit with the inner wall of the valve body 1-1; the diameter of the guide post 3 is equal to that of the butterfly plate 1-2; the upper end surface of the guide post 3 is radially provided with a semicircular clamping groove 3-1 for clamping the butterfly plate 1-2; the valve pipe 1-21 protruding from the center of the butterfly plate 1-2 can be clamped and positioned with the clamping groove 3-1;
a clamping structure for positioning the connecting flanges 1-4 is further arranged on one side of the guide column 3; the clamping structure is two rectangular grooves 4 which are arranged on the workbench 2 and have opposite openings; the distance between the bottoms of the two rectangular grooves 4 is slightly larger than the diameter of the connecting flange 1-4; in order to facilitate the removal of the groove butterfly valve 1 after installation, the height of the rectangular groove 4 is smaller than the diameter of the connecting flange 1-4; before assembly, the valve body 1-1 can be sleeved outside the guide post 3, and the connecting flange 1-4 is clamped between the two rectangular grooves 4, so that the valve sleeve 1-3 and the valve rod 1-5 are always coaxially arranged, and the valve body 1-1 cannot generate any deviation when the valve rod 1-5 is installed by the valve rod installation oil cylinder 7;
preferably, in order to facilitate the groove butterfly valve 1 to be taken out after installation, a plurality of springs I5 can be arranged below the valve neck or the connecting flanges 1-4; meanwhile, a plurality of springs 6 which are opposite to the bottom end of the valve body 1-1 are uniformly arranged on the outer side of the guide column 3 along the circumferential direction; the first spring 5 and the second spring 6 are fixed on the workbench 2; when the groove butterfly valve 1 moves downwards under the driving of the oil cylinder 8 for valve body installation, the first spring 5 and the second spring 6 are compressed; after the installation is finished, the hydraulic rod of the oil cylinder 8 for installing the valve body returns upwards, and the groove butterfly valve 1 can move upwards under the resilience action of the first spring 5 and the second spring 6, so that the valve body can be taken out conveniently; meanwhile, the second spring 6 can limit the butterfly plate 1-2 in the circumferential direction of the butterfly plate 1-2, and the butterfly plate 1-2 and the guide post 3 are coaxially arranged.
Preferably, the height and the elastic coefficient of the first spring 5 and the second spring 6 are equal, so that the groove butterfly valve 1 can be always kept horizontal under the support of the first spring 5 and the second spring 6.
The embodiments of the present invention have been described in detail, but the above description is only for the preferred embodiments of the present invention, and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (3)
1. A positioning structure for assembling a groove butterfly valve is arranged on a workbench for assembly; the groove butterfly valve comprises a valve body, a butterfly plate, a valve sleeve and a connecting flange; the method is characterized in that: the positioning structure comprises a guide post in sleeve fit with the inner wall of the valve body; the diameter of the guide post is equal to that of the butterfly plate; the upper end surface of the guide post is radially provided with a semicircular clamping groove for clamping the butterfly plate; a clamping structure for positioning the connecting flange is further arranged on one side of the guide column; the clamping structure is two rectangular grooves which are arranged on the workbench and have opposite openings; the distance between the bottoms of the two rectangular grooves is greater than the diameter of the connecting flange; the height of the rectangular groove is smaller than the diameter of the connecting flange.
2. The positioning structure for a groove butterfly valve assembly of claim 1, wherein: a plurality of springs I are arranged below the valve neck or the connecting flange; meanwhile, a plurality of springs II which are opposite to the bottom end of the valve body are uniformly arranged on the outer side of the guide column along the circumferential direction; the first spring and the second spring are both fixed on the workbench.
3. The positioning structure for a groove butterfly valve assembly of claim 2, wherein: the first spring and the second spring are equal in height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920979044.1U CN210388981U (en) | 2019-06-25 | 2019-06-25 | Positioning structure for assembling groove butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920979044.1U CN210388981U (en) | 2019-06-25 | 2019-06-25 | Positioning structure for assembling groove butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210388981U true CN210388981U (en) | 2020-04-24 |
Family
ID=70351508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920979044.1U Expired - Fee Related CN210388981U (en) | 2019-06-25 | 2019-06-25 | Positioning structure for assembling groove butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210388981U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111590514A (en) * | 2020-05-22 | 2020-08-28 | 安徽省繁昌县皖南阀门铸造有限公司 | Casting flange erection joint subassembly with adjustable butterfly valve is special |
-
2019
- 2019-06-25 CN CN201920979044.1U patent/CN210388981U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111590514A (en) * | 2020-05-22 | 2020-08-28 | 安徽省繁昌县皖南阀门铸造有限公司 | Casting flange erection joint subassembly with adjustable butterfly valve is special |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200424 Termination date: 20210625 |