CN220980058U - Butterfly valve positioning taper pin anti-drop device - Google Patents
Butterfly valve positioning taper pin anti-drop device Download PDFInfo
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- CN220980058U CN220980058U CN202323184300.3U CN202323184300U CN220980058U CN 220980058 U CN220980058 U CN 220980058U CN 202323184300 U CN202323184300 U CN 202323184300U CN 220980058 U CN220980058 U CN 220980058U
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- pin
- hole
- taper pin
- butterfly valve
- threaded
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- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 238000001125 extrusion Methods 0.000 claims abstract description 12
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 2
- 235000017491 Bambusa tulda Nutrition 0.000 claims 2
- 241001330002 Bambuseae Species 0.000 claims 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 2
- 239000011425 bamboo Substances 0.000 claims 2
- 238000009434 installation Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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Abstract
The utility model discloses a butterfly valve positioning taper pin anti-drop device, which relates to the technical field of butterfly valve equipment, and comprises a positioning taper pin, a first anti-drop mechanism and a second anti-drop mechanism, wherein the positioning taper pin comprises a middle adjusting body and a pin body, adjusting bolts are symmetrically arranged on the surface of the middle adjusting body, and the outer surfaces of the adjusting bolts are in threaded connection with the pin body; the first anti-disengaging mechanism comprises a first threaded portion and an anti-disengaging screw cap, and the second anti-disengaging mechanism comprises a through hole, a fixed ball, a driving cylinder, a second threaded portion, a conical extrusion portion, a connecting portion, a driving groove and a driving rod. The device is provided with various anti-falling mechanisms, is suitable for different installation conditions, effectively prevents the locating taper pin from falling off, and has strong practicability and good use effect.
Description
Technical Field
The utility model relates to the technical field of butterfly valve equipment, in particular to a butterfly valve positioning taper pin anti-drop device.
Background
The butterfly valve is also called as a flap valve, and is a valve which has a simple structure and can be used for opening and closing low-pressure pipeline media.
In the butterfly valve installation, need to fix a position two parts after being connected, and the common part that adopts is the locating taper pin, and current locating taper pin still exists tiny space between its and the round pin axle inslot wall after the installation, drops easily after receiving vibrations, leads to the part to connect unstably, and for this reason, we have proposed a butterfly valve locating taper pin anticreep device.
Disclosure of utility model
The utility model adopts the following technical scheme for realizing the purposes:
The butterfly valve positioning taper pin anti-drop device comprises a positioning taper pin, a first anti-drop mechanism and a second anti-drop mechanism, wherein the positioning taper pin comprises a middle adjusting body and a pin body, adjusting bolts are symmetrically arranged on the surface of the middle adjusting body, and the outer surfaces of the adjusting bolts are in threaded connection with the pin body; the first anti-disengaging mechanism comprises a first threaded portion and an anti-disengaging screw cap, wherein the first threaded portion is arranged on the outer surface of one end of the pin body, which is far away from the adjusting bolt, and the anti-disengaging screw cap is in threaded connection with the outer surface of the first threaded portion; the second anti-disengaging mechanism comprises a through hole, a fixed ball, a driving cylinder, a second threaded part, a conical extrusion part, a connecting part, a driving groove and a driving rod, wherein the through hole is uniformly formed in the inner wall of one end of a pin body, which is far away from an adjusting bolt, and is located on the inner side of the first threaded part, the fixed ball is arranged inside the through hole, the driving cylinder is arranged inside the pin body, the second threaded part, the conical extrusion part and the connecting part are sequentially arranged on the surface of the driving cylinder from inside to outside, the conical extrusion part is in sliding connection with the surface of the fixed ball, the driving groove is formed in the surface of the connecting part, the driving rod is arranged on the inner wall of the anti-disengaging rotary cover, and one end of the driving rod penetrates into the inner part of the pin body and is in sliding connection with the inner wall of the driving groove.
Further, the outer diameter of the middle adjusting body is consistent with that of the pin body, indexes are symmetrically arranged on the surface of the middle adjusting body, and graduation marks are arranged on the outer surface of one end, close to the adjusting bolt, of the pin body.
Further, a threaded hole is formed in the outer surface of one end, close to the adjusting bolt, of the pin body, a column groove is formed in the outer surface of one end, far away from the adjusting bolt, of the pin body, an inner thread is formed in the inner wall of the column groove, and the inner thread is in threaded connection with the second threaded portion.
Further, the cross section of the through hole is in a cone shape, and the aperture of the outer port of the through hole is smaller than the aperture of the inner port of the through hole.
Further, the driving groove is a strip-shaped groove.
The beneficial effects of the utility model are as follows:
1. the device is reasonable in structure, is provided with various anti-falling mechanisms, is suitable for different installation conditions, and is high in practicability and good in use effect, and the locating taper pin is effectively prevented from falling off;
2. The first anti-falling mechanism is arranged, and is used for limiting the positioning taper pin by utilizing the difference of the outer diameters of the anti-falling screw covers under the condition that the positioning taper pin is not required to be flush with the mounting surface, so that the positioning taper pin is prevented from falling off, and the use effect is good;
3. The second anti-falling mechanism is arranged, and is used under the condition that the positioning taper pin is required to be flush with the mounting surface, and the fixing ball is abutted with the inner wall of the pin hole groove, so that reliable connection and positioning between the pin body and the inner wall of the pin hole groove are ensured, and the pin body is prevented from falling off by utilizing the difference of the outer diameters of parts.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of the anti-falling screw cap in the utility model;
FIG. 3 is a schematic view of a second anti-disengaging mechanism according to the present utility model;
fig. 4 is a schematic diagram of a column groove structure in the present utility model.
Reference numerals:
1. positioning the taper pin; 2. a first anti-drop mechanism; 3. a second anti-drop mechanism;
11. an intermediate regulator; 12. a pin body; 13. an adjusting bolt; 14. a threaded hole; 15. an index; 16. scale marks; 17. a column groove;
21. a first threaded portion; 22. an anti-falling spiral cover;
31. A through hole; 32. a fixed ball; 33. a drive cylinder; 34. a second threaded portion; 35. a tapered pressing portion; 36. a connection part; 37. a driving groove; 38. and a driving rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
The application provides a butterfly valve positioning taper pin anti-drop device, which is mainly used for solving the problem that a positioning taper pin is easy to drop, and provides the following technical scheme, and the following detailed description is provided with reference to fig. 1-4:
a butterfly valve positioning taper pin anti-drop device comprises a positioning taper pin 1, a first anti-drop mechanism 2 and a second anti-drop mechanism 3.
The locating taper pin 1 comprises an intermediate adjusting body 11 and a pin body 12.
The surface of the middle adjusting body 11 is symmetrically provided with adjusting bolts 13, and the outer surfaces of the adjusting bolts 13 are respectively connected with a pin body 12 in a threaded manner.
The first escape mechanism 2 includes a first screw portion 21 and an escape prevention screw cap 22.
The first threaded portion 21 is disposed on an outer surface of an end of the pin body 12 away from the adjusting bolt 13, and the anti-loosening cap 22 is screwed on the outer surface of the first threaded portion 21.
The second anti-disengaging mechanism 3 includes a through hole 31, a fixing ball 32, a driving cylinder 33, a second screw portion 34, a tapered pressing portion 35, a connecting portion 36, a driving groove 37, and a driving lever 38.
Wherein, the through hole 31 is evenly opened at the inner wall of one end of the pin body 12 far away from the adjusting bolt 13 and is positioned at the inner side of the first thread part 21, the fixed ball 32 is arranged in the through hole 31, the driving cylinder 33 is arranged in the pin body 12, the second thread part 34, the conical extrusion part 35 and the connecting part 36 are sequentially arranged on the surface of the driving cylinder 33 from inside to outside, the conical extrusion part 35 is in sliding connection with the surface of the fixed ball 32, the driving groove 37 is opened on the surface of the connecting part 36, the driving rod 38 is arranged on the inner wall of the anti-falling spiral cover 22, and one end of the driving rod 38 penetrates into the pin body 12 and is in sliding connection with the inner wall of the driving groove 37.
It should be noted that: the locating taper pin 1 is a taper pin, and a tapered portion (not shown in the figure) of the locating taper pin 1 corresponds to the first threaded portion 21 in position.
Specifically, when the anti-drop mechanism is used, according to the actual installation condition, the anti-drop mechanism is selected, if the positioning taper pin 1 is not required to be flush with the installation surface, one anti-drop screw cap 22 can be detached, then one end of the detached anti-drop screw cap 22 is inserted into the pin hole groove, after the anti-drop screw cap 22 is penetrated out of the pin hole groove, the anti-drop screw cap 22 is reinstalled, if the positioning taper pin 1 is required to be flush with the installation surface, then all the two anti-drop screw caps 22 are required to be detached, during the installation, the length of the positioning taper pin 1 is firstly adjusted to be matched with the depth of the pin hole groove, the adjustment is completed through the rotary pin body 12, after the adjustment is completed, the positioning taper pin 1 is inserted into the pin hole groove and kept flush with the installation surface, then a driving rod 38 on the anti-drop screw cap 22 is inserted into the driving groove 37, after the driving rod 38 and the driving groove 37 are mutually matched, the driving barrel 33 is synchronously driven to rotate, the driving barrel is rotationally and mutually matched with the internal thread through the second thread part 34, so that the transverse movement is realized, the taper extrusion part 35 extrudes the fixing ball 32 to move towards the outer port 31 of the through hole, the outer port 31, the outer wall of the pin hole is prevented from being connected with the pin hole 12, and the outer diameter of the pin hole is prevented from being separated from the outer wall of the pin hole 12.
As shown in fig. 1-4, in some embodiments, the outer diameter of the middle adjusting body 11 is consistent with that of the pin body 12, the surface of the middle adjusting body 11 is symmetrically provided with indicators 15, and the outer surface of one end of the pin body 12, which is close to the adjusting bolt 13, is provided with graduation marks 16.
It should be noted that: the index 15 and the scale mark 16 are arranged, so that the adjustment stroke can be conveniently known according to the number of rotation turns, and the use effect is good.
As shown in fig. 1-4, in some embodiments, a threaded hole 14 is formed on an outer surface of an end, close to the adjusting bolt 13, of the pin body 12, a column groove 17 is formed on an outer surface of an end, far away from the adjusting bolt 13, of the pin body 12, and an inner thread is formed on an inner wall of the column groove 17 and is in threaded connection with the second threaded portion 34.
It should be noted that: the threaded holes 14 are formed so that the pin body 12 is connected with the adjusting bolt 13, the column grooves 17 are formed so that the driving barrel 33 is placed in the pin body 12 and the driving rod 38 enters the pin body 12, and the use effect is good.
As shown in fig. 1-4, in some embodiments, the cross-section of the through-hole 31 is tapered, and the outer port aperture of the through-hole 31 is smaller than the inner port aperture of the through-hole 31.
It should be noted that: the shape of the through hole 31 will be further described.
Specifically, the outer small inner large design of through hole 31 is convenient for place fixed ball 32 to can guarantee that fixed ball 32 does not have under the external force extrusion again, its one end can not bulge outside the outer port of through hole 31, be convenient for the pin body 12 to put into, corresponding, fixed ball 32 is outside the outer port of through hole 31 under the external extrusion force effect, thereby with the butt of pinhole inslot wall, guaranteed reliable connection and location between pin body 12 and the pinhole inslot wall, and utilize the difference of part external diameter to prevent that pin body 12 from droing.
As shown in fig. 1-4, in some embodiments, the drive slot 37 is a bar slot.
It should be noted that: the slot is sized to fit the outer dimensions of one end of the drive rod 38.
Specifically, one end of the driving rod 38 is inserted into the driving groove 37, and then the anti-drop cap 22 is rotated to synchronously drive the driving cylinder 33 to rotate along the inner wall of the column groove 17 and move laterally.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. The butterfly valve positioning taper pin anti-drop device is characterized by comprising a positioning taper pin (1), a first anti-drop mechanism (2) and a second anti-drop mechanism (3), wherein,
The locating taper pin (1) comprises an intermediate adjusting body (11) and a pin body (12), wherein,
The surface of the middle adjusting body (11) is symmetrically provided with adjusting bolts (13), and the outer surfaces of the adjusting bolts (13) are respectively connected with the pin bodies (12) in a threaded manner;
The first anti-disengaging mechanism (2) comprises a first threaded part (21) and an anti-disengaging screw cap (22), wherein,
The first threaded part (21) is arranged on the outer surface of one end, far away from the adjusting bolt (13), of the pin body (12), and the anti-falling spiral cover (22) is in threaded connection with the outer surface of the first threaded part (21);
The second anti-drop mechanism (3) comprises a through hole (31), a fixed ball (32), a driving cylinder (33), a second threaded part (34), a conical extrusion part (35), a connecting part (36), a driving groove (37) and a driving rod (38), wherein,
The utility model discloses a drive mechanism for the automobile, including adjusting bolt (13) and fixed slot (37), through-hole (31) are evenly offered in the pin body (12) is kept away from the one end inner wall of adjusting bolt (13), and is located first screw thread portion (21) are inboard, fixed ball (32) set up inside through-hole (31), drive section of thick bamboo (33) set up inside pin body (12), second screw thread portion (34) toper extrusion portion (35) with connecting portion (36) are in from inside to outside set gradually drive section of thick bamboo (33) surface, toper extrusion portion (35) with fixed ball (32) surface sliding connection, drive slot (37) are offered connecting portion (36) surface, actuating lever (38) set up anti-disengaging spin cover (22) inner wall, actuating lever (38) one end is passed into inside pin body (12) and with drive slot (37) inner wall sliding connection.
2. The butterfly valve positioning taper pin anti-drop device according to claim 1, wherein the outer diameter of the middle adjusting body (11) is consistent with that of the pin body (12), indexes (15) are symmetrically arranged on the surface of the middle adjusting body (11), and graduation marks (16) are arranged on the outer surface of one end, close to the adjusting bolt (13), of the pin body (12).
3. The butterfly valve positioning taper pin anti-drop device according to claim 1, wherein a threaded hole (14) is formed in the outer surface of one end, close to the adjusting bolt (13), of the pin body (12), a column groove (17) is formed in the outer surface of one end, far away from the adjusting bolt (13), of the pin body (12), an inner thread is formed in the inner wall of the column groove (17), and the inner thread is in threaded connection with the second threaded portion (34).
4. The butterfly valve positioning taper pin anti-drop device according to claim 1, wherein the cross section of the through hole (31) is in a taper shape, and the outer port aperture of the through hole (31) is smaller than the inner port aperture of the through hole (31).
5. The butterfly valve positioning taper pin anti-drop device according to claim 1, wherein the driving groove (37) is a bar-shaped groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323184300.3U CN220980058U (en) | 2023-11-24 | 2023-11-24 | Butterfly valve positioning taper pin anti-drop device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323184300.3U CN220980058U (en) | 2023-11-24 | 2023-11-24 | Butterfly valve positioning taper pin anti-drop device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220980058U true CN220980058U (en) | 2024-05-17 |
Family
ID=91037233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323184300.3U Active CN220980058U (en) | 2023-11-24 | 2023-11-24 | Butterfly valve positioning taper pin anti-drop device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220980058U (en) |
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2023
- 2023-11-24 CN CN202323184300.3U patent/CN220980058U/en active Active
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