CN214816114U - Valve seat assembly and valve seat branch pipe positioning device for low-temperature gas cylinder - Google Patents
Valve seat assembly and valve seat branch pipe positioning device for low-temperature gas cylinder Download PDFInfo
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- CN214816114U CN214816114U CN202120505616.XU CN202120505616U CN214816114U CN 214816114 U CN214816114 U CN 214816114U CN 202120505616 U CN202120505616 U CN 202120505616U CN 214816114 U CN214816114 U CN 214816114U
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- gas cylinder
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Abstract
The utility model relates to a technical field is made to the low temperature gas cylinder, concretely relates to valve seat subassembly and disk seat branch pipe positioner for low temperature gas cylinder. The valve seat positioning mechanism comprises a supporting guide pipe, a valve seat sleeve, a valve seat positioning plate, a valve seat positioning pin and a lower supporting plate; a valve seat sleeve and a supporting conduit are fixed on the lower supporting plate; the two support guide pipes are respectively fixed on two sides of the valve seat sleeve; the valve seat positioning plate is arranged in the valve seat sleeve, and the valve seat positioning pin is embedded on the valve seat positioning plate. The branch pipe positioning mechanism comprises a branch pipe positioning plate and an upper positioning pin, the branch pipe positioning plate is connected with the upper end of the supporting conduit through the upper positioning pin, and a fixing hole in the position opposite to the valve seat branch pipe is formed in the branch pipe positioning plate. The positioning device can accurately position the circumferential position of the valve seat and the relative position of each valve seat branch pipe, quickly disassemble and assemble the valve seat assembly, avoid the deformation of the machining process of the valve seat assembly, and realize accurate assembly and reuse.
Description
Technical Field
The utility model relates to a technical field is made to the low temperature gas cylinder, concretely relates to valve seat subassembly and disk seat branch pipe positioner for low temperature gas cylinder.
Background
In the low temperature gas cylinder manufacturing, when gas cylinder valve seat and disk seat branch pipe equipment welding, because both have the location requirement of circumferential position and relative position between the spare part, mainly do: because the valve seat branch pipe is long in length, certain non-directional deformation exists after the valve seat branch pipe is welded with a valve seat, interference exists in the subsequent assembling process, and correction is needed. In the industry, a manual tool is matched with a circumferential azimuth hole of a valve seat for reference positioning, and then pre-assembly welding is carried out on parts through the next procedure, so that the functions of accurate positioning and high efficiency cannot be achieved, welding deformation cannot be effectively avoided by various methods, time and labor are wasted, and the operation difficulty is high.
In view of the above-mentioned drawbacks, the authors of the present invention have finally obtained the present invention through long-term research and practice.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical defect, the utility model provides a valve seat subassembly and disk seat branch pipe positioner for low temperature gas cylinder effectively prevents disk seat branch pipe welding deformation.
The utility model discloses a technical scheme lie in:
provides a valve seat component and a valve seat branch pipe positioning device for a low-temperature gas cylinder, which comprise a valve seat positioning mechanism and a branch pipe positioning mechanism,
the valve seat positioning mechanism comprises a supporting guide pipe (3), a valve seat sleeve (4), a valve seat positioning plate (5), a valve seat positioning pin (6) and a lower supporting plate (7); a valve seat sleeve (4) and a supporting conduit (3) are fixed on the lower supporting plate (7); the two support conduits (3) are respectively fixed on two sides of the valve seat sleeve (4); the valve seat positioning plate (5) is arranged in the valve seat sleeve (4), and the valve seat positioning pin (6) is embedded on the valve seat positioning plate (5);
the branch pipe positioning mechanism comprises a branch pipe positioning plate (1) and an upper positioning pin (2), the branch pipe positioning plate (1) is connected with the upper end of the supporting guide pipe (3) through the upper positioning pin (2), and a fixing hole opposite to the valve seat branch pipe is formed in the branch pipe positioning plate (1).
Further, the valve seat positioning plate (5) is circular, and the diameter of the valve seat positioning plate is the same as the outer diameter of the valve seat.
Furthermore, the upper positioning pin (2) is movably sleeved with the supporting guide pipe (3), and the upper positioning pin (2) can move along the axial direction of the supporting guide pipe (3) and further can drive the branch pipe positioning plate (1) to move in the height direction.
Further, the upper positioning pin (2) is detachably connected with the support conduit (3).
Furthermore, the number of the upper positioning pins (2) is two, and the two upper positioning pins are respectively connected with the two support guide pipes (3).
Further, the position of the valve seat positioning pin (6) corresponds to the end surface hole of the valve seat, so that the circumferential positioning of the valve seat is met.
Furthermore, the inner hole of the valve seat sleeve (4) is a stepped hole, and the valve seat positioning plate (5) is clamped on the stepped surface; the valve seat positioning plate (5) is provided with a positioning hole, and the valve seat positioning pin (6) is clamped on the positioning hole.
Furthermore, three fixing holes are formed in the branch pipe positioning plate (1).
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model discloses a positioner can pinpoint disk seat circumferencial position and every disk seat branch pipe relative position, dismantles fast and installs the disk seat subassembly, avoids disk seat subassembly course of working to warp, assembles accurate, repeatedly usable.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of a valve seat assembly and a valve seat branch pipe positioning device for a cryogenic gas cylinder according to the present invention;
fig. 2 is a schematic diagram of the valve seat assembly and the valve seat branch pipe positioning device for the cryogenic gas cylinder of the present invention.
Detailed Description
The above and further features and advantages of the present invention will be described in more detail below with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
As shown in fig. 1, the valve seat assembly and the valve seat branch pipe positioning device for the low-temperature gas cylinder comprise two parts, wherein the first part is a valve seat positioning mechanism which takes a lower support plate 7 as a base and is respectively provided with a valve seat sleeve 4, a valve seat positioning plate 5, a valve seat positioning pin 6 and a support conduit 3. Wherein, disk seat locating plate 5 has the excircle with disk seat isodiametric as the benchmark, and uses disk seat end face hole as the projection trompil to satisfy the circumference location of disk seat. The valve seat positioning pin 6 is embedded in the valve seat positioning plate 5 and the valve seat sleeve 4 so as to achieve the effect of accurately positioning the valve seat. The second part is a branch pipe positioning mechanism which is composed of a branch pipe positioning plate 1 and an upper positioning pin 2, wherein the branch pipe positioning plate 1 is provided with a fixing hole at the opposite position of the valve seat branch pipe, and the upper positioning pin 2 is used as a guide shaft so as to achieve the function of positioning the valve seat branch pipe. The two parts of mechanisms take the positioning pin 2 and the supporting guide pipe 3 as guide to form a device which can only reciprocate in the height direction and is formed by the valve seat positioning mechanism and the branch pipe positioning mechanism, so as to achieve the functions of installing and positioning the valve seat assembly.
The positioning device is formed by combining two groups of mechanisms and can be flexibly disassembled so as to meet the requirements of the installation and the disassembly of the valve seat assembly workpiece. One part is a valve seat positioning mechanism with an end surface embedded with a positioning pin, the second part is a branch pipe positioning mechanism capable of moving back and forth in the radial direction, and the two parts of mechanisms use the axes of the supporting guide pipe and the guide shaft as references to complete the positioning function of the valve seat and the valve seat branch pipe. The branch pipe positioning mechanism capable of moving back and forth along the upper positioning pin is formed by matching the upper positioning pin and a support guide pipe distributed on two sides of the valve seat branch pipe, and the valve seat positioning mechanism is connected with the branch pipe positioning mechanism to form a device which takes the axis of the support guide pipe as a moving track and can only move back and forth along the height direction, so that the functions of quickly disassembling, installing and positioning a workpiece are achieved. The valve seat positioning mechanism and the branch pipe positioning mechanism form bilateral guidance by the support guide pipes distributed on two sides of the valve seat positioning mechanism, so that the function of deformation prevention in the workpiece machining process is achieved.
In a more specific embodiment, the valve seat positioning plate 5 is circular and has the same diameter as the outer diameter of the valve seat. Go up locating pin 2 and support pipe 3 activity and cup joint, go up locating pin 2 can follow support pipe 3's axial displacement, and then can drive branch pipe locating plate 1 removes in the direction of height. The upper positioning pin 2 is detachably connected with the support conduit 3. The number of the upper positioning pins 2 is two, and the two upper positioning pins are respectively connected with the two support guide pipes 3. The position of the valve seat positioning pin 6 corresponds to the end surface hole of the valve seat to satisfy the circumferential positioning of the valve seat. The inner hole of the valve seat sleeve 4 is a stepped hole, and the valve seat positioning plate 5 is clamped on the stepped surface; the valve seat positioning plate 5 is provided with a positioning hole, and the valve seat positioning pin 6 is clamped on the positioning hole. Three fixing holes are arranged on the branch pipe positioning plate 1.
As shown in fig. 2, the application process of the positioning device is as follows: firstly, manually assembling a valve seat 10 with a valve seat sleeve 4 in a valve seat positioning mechanism, adjusting the valve seat 10 by rotating the valve seat in the circumferential direction to be matched with a valve seat positioning pin 6 in the valve seat positioning mechanism to achieve the aim of accurately assembling and positioning the valve seat, then moving a branch pipe positioning mechanism upwards for a certain space along the axis of a supporting guide pipe 3 to facilitate the installation of a valve seat branch pipe 20, then installing one valve seat branch pipe into a valve seat end surface hole, rotating the valve seat branch pipe in the circumferential direction to adjust the valve seat branch pipe to be assembled with a branch pipe positioning mechanism sample hole, simultaneously moving an upper positioning pin 2 to the end of the upper positioning pin along the supporting guide pipe 3 in the reverse direction to achieve the aim of assembling and positioning the valve seat branch pipe 20 with the valve seat 10, introducing welding protective gas into the upper end of the valve seat branch pipe 20 for welding during welding, and assembling and welding the other two valve seat branch pipes according to the same principle after the valve seat branch pipe is welded, thereby completing the tack welding of the valve seat assembly.
The foregoing is merely a preferred embodiment of the invention, which is intended to be illustrative, not limiting. The utility model discloses in all can change to some extent structure and connected mode etc. of each part all be in the utility model discloses equal transform and the improvement of going on technical scheme's the basis all should not get rid of the utility model discloses an outside the protection scope.
Claims (8)
1. A valve seat component and a valve seat branch pipe positioning device for a low-temperature gas cylinder are characterized by comprising a valve seat positioning mechanism and a branch pipe positioning mechanism,
the valve seat positioning mechanism comprises a supporting guide pipe (3), a valve seat sleeve (4), a valve seat positioning plate (5), a valve seat positioning pin (6) and a lower supporting plate (7); a valve seat sleeve (4) and a supporting conduit (3) are fixed on the lower supporting plate (7); the two support conduits (3) are respectively fixed on two sides of the valve seat sleeve (4); the valve seat positioning plate (5) is arranged in the valve seat sleeve (4), and the valve seat positioning pin (6) is embedded on the valve seat positioning plate (5);
the branch pipe positioning mechanism comprises a branch pipe positioning plate (1) and an upper positioning pin (2), the branch pipe positioning plate (1) is connected with the upper end of the supporting guide pipe (3) through the upper positioning pin (2), and a fixing hole opposite to the valve seat branch pipe is formed in the branch pipe positioning plate (1).
2. A seat assembly and seat manifold positioning device for a cryogenic gas cylinder according to claim 1, characterized in that the seat positioning plate (5) is circular and has the same diameter as the outer diameter of the seat.
3. The valve seat assembly and valve seat branch pipe positioning device for the low-temperature gas cylinder is characterized in that the upper positioning pin (2) is movably sleeved with the support guide pipe (3), and the upper positioning pin (2) can move along the axial direction of the support guide pipe (3) so as to drive the branch pipe positioning plate (1) to move in the height direction.
4. A seat assembly and seat manifold positioning device for a cryogenic gas cylinder according to claim 3, characterized in that the upper positioning pin (2) is removably connected to the support conduit (3).
5. A seat assembly and seat branch positioning device for a cryogenic gas cylinder according to claim 4, characterized in that the number of the upper positioning pins (2) is two, and the two upper positioning pins are respectively connected with the two support conduits (3).
6. A valve seat assembly and valve seat branch pipe positioning device for a cryogenic gas cylinder according to claim 1, characterized in that the position of the valve seat positioning pin (6) corresponds to the end face hole of the valve seat to satisfy the circumferential positioning of the valve seat.
7. The valve seat assembly and valve seat branch pipe positioning device for the low-temperature gas cylinder as claimed in claim 1, wherein the inner hole of the valve seat sleeve (4) is a stepped hole, and the valve seat positioning plate (5) is clamped on the stepped surface; the valve seat positioning plate (5) is provided with a positioning hole, and the valve seat positioning pin (6) is clamped on the positioning hole.
8. The valve seat assembly and valve seat branch pipe positioning device for the cryogenic gas cylinder as claimed in claim 1, characterized in that the branch pipe positioning plate (1) is provided with three fixing holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120505616.XU CN214816114U (en) | 2021-03-10 | 2021-03-10 | Valve seat assembly and valve seat branch pipe positioning device for low-temperature gas cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120505616.XU CN214816114U (en) | 2021-03-10 | 2021-03-10 | Valve seat assembly and valve seat branch pipe positioning device for low-temperature gas cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214816114U true CN214816114U (en) | 2021-11-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120505616.XU Active CN214816114U (en) | 2021-03-10 | 2021-03-10 | Valve seat assembly and valve seat branch pipe positioning device for low-temperature gas cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214816114U (en) |
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2021
- 2021-03-10 CN CN202120505616.XU patent/CN214816114U/en active Active
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