CN211681916U - Telescopic LNG liquid feeding rifle dismouting fastening combination tool - Google Patents
Telescopic LNG liquid feeding rifle dismouting fastening combination tool Download PDFInfo
- Publication number
- CN211681916U CN211681916U CN202020305345.9U CN202020305345U CN211681916U CN 211681916 U CN211681916 U CN 211681916U CN 202020305345 U CN202020305345 U CN 202020305345U CN 211681916 U CN211681916 U CN 211681916U
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- telescopic rod
- tool
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- face
- head
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- 239000007788 liquid Substances 0.000 title claims abstract description 20
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 239000011324 bead Substances 0.000 claims description 10
- 240000004282 Grewia occidentalis Species 0.000 claims description 4
- 230000008859 change Effects 0.000 abstract description 4
- 239000003949 liquefied natural gas Substances 0.000 description 8
- 238000007789 sealing Methods 0.000 description 8
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a telescopic assembling and disassembling fastening combination tool for an LNG liquid feeding gun, which comprises a tool body and a combination tool head, wherein the combination tool head is connected with the lower end of the tool body; the tool body comprises a sliding rod, a flying joint and a telescopic rod, the telescopic rod is of a hollow structure, and an inwards-concave telescopic rod clamping groove is formed in the center of the upper end face of the telescopic rod; the lower end of the flying rotary joint is provided with a joint connecting rod matched with the telescopic rod clamping groove, the upper end of the flying rotary joint is provided with a through hole, and the sliding rod is slidably arranged in the through hole of the flying rotary joint in a penetrating manner; the center of the lower end face of the telescopic rod is provided with a telescopic rod clamping head protruding downwards, and the center of the upper end face of the combined tool head is provided with a tool clamping groove matched with the telescopic rod clamping head of the telescopic rod. The utility model discloses sealed pad or fastening screw of change that can be convenient, simple structure, convenient operation and security are high, the practicality is strong, has higher popularization and application and worth.
Description
Technical Field
The utility model belongs to the technical field of professional instrument, mainly relate to a telescopic LNG liquid feeding rifle dismouting fastening combination tool.
Background
An LNG (Liquefied Natural Gas) liquid adding gun is an output terminal of LNG, but a sealing gasket (tetrafluoro material) in the gun head of the liquid adding gun is worn to cause liquid leakage and needs to be replaced due to long-term use of the liquid adding gun; because the liquid adding gun is used for a long time, the screw for fixing the inner sealing gasket in the gun head or the hexagon socket head cap screw can be loosened and needs to be fastened. The aforesaid two kinds of circumstances all need all take out the interior part of liquid feeding rifle at present and just can change or fasten. When taking out and reinstalling the inner snap spring by using the inner snap spring pliers, the spacing barrel is easily popped out under the action of the elastic force of the compression spring, so that the spacing barrel is not only hard for maintenance personnel, but also dangerous. If the screw or the hexagon socket head cap screw are loosened and need to be fastened, the disassembly and the assembly are time-consuming, labor-consuming and dangerous.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a telescopic LNG liquid feeding rifle dismouting fastening combination tool.
The technical scheme of the utility model is that:
a telescopic assembling, disassembling and fastening combined tool for an LNG liquid adding gun comprises a tool body and a combined tool head, wherein the combined tool head is connected with the lower end of the tool body; the tool body comprises a sliding rod, a flying joint and a telescopic rod, the telescopic rod is of a hollow structure, and an inwards-concave telescopic rod clamping groove is formed in the center of the upper end face of the telescopic rod; the lower end of the flying rotary joint is provided with a joint connecting rod matched with the telescopic rod clamping groove, the upper end of the flying rotary joint is provided with a through hole, and the sliding rod is slidably arranged in the through hole of the flying rotary joint in a penetrating manner; the center of the lower end face of the telescopic rod is provided with a telescopic rod clamping head protruding downwards, and the center of the upper end face of the combined tool head is provided with a tool clamping groove matched with the telescopic rod clamping head of the telescopic rod.
Preferably, the telescopic rods comprise a first telescopic rod, a second telescopic rod and a third telescopic rod, the second telescopic rod is slidably sleeved in the first telescopic rod, and the third telescopic rod is slidably sleeved in the second telescopic rod; the first telescopic rod is of a structure with an opening at the lower end, and the outer diameter of the second telescopic rod is smaller than the inner diameter of the first telescopic rod; the second telescopic rod is of a structure with an opening at the lower end, and the outer diameter of the third telescopic rod is smaller than the inner diameter of the second telescopic rod; the telescopic rod clamping groove is formed in the center of the upper end face of the first telescopic rod, and the telescopic rod clamping head is arranged in the center of the lower end face of the third telescopic rod.
Preferably, a first positioning hole is formed in the side wall, close to the lower end, of the first telescopic rod, and a first double-bead V-shaped pipe inner positioning elastic sheet matched with the first positioning hole is arranged on the side wall, close to the upper end, of the second telescopic rod; the side wall of the second telescopic rod close to the lower end is provided with a second positioning hole, and the side wall of the third telescopic rod close to the upper end is provided with a second double-bead V-shaped pipe inner positioning elastic sheet matched with the second positioning hole.
Preferably, the combined tool head is a first tool head, and the first tool head comprises a first vertical connecting rod, a first sector plate and a second sector plate; the lower end face of the first vertical connecting rod is connected with the upper end face of the first sector plate, the upper end face of the second sector plate is connected with the lower end face of the first sector plate, and the diameter of the second sector plate is smaller than that of the first sector plate; the center of the upper end face of the first vertical connecting rod is provided with a first tool clamping groove matched with a telescopic rod clamping head of the third telescopic rod.
Preferably, the combined tool head is a second tool head, a second tool clamping groove matched with the telescopic rod clamping head of the third telescopic rod is formed in the center of the upper end face of the second tool head, and four-corner tool heads with square cross sections are arranged in the center of the lower end face of the second tool head.
Preferably, the combined tool head is a third tool head, a third tool clamping groove matched with a telescopic rod clamping head of a third telescopic rod is formed in the center of the upper end face of the third tool head, and a hexagonal tool head with a hexagonal cross section is arranged in the center of the lower end face of the third tool head.
The utility model has the advantages that:
the utility model discloses sealed pad or fastening screw of change that can be convenient, simple structure, convenient operation and security are high, the practicality is strong, has higher popularization and application and worth.
Drawings
Fig. 1 is a schematic structural view of a tool body according to the present invention;
FIG. 2 is a schematic view of the connection between the slider and the flying lead joint of FIG. 1;
FIG. 3 is a schematic view of a first tool bit;
FIG. 4 is a view in the direction A of FIG. 3;
FIG. 5 is a view from the direction B of FIG. 3;
FIG. 6 is a schematic view of a second tool bit;
FIG. 7 is a view in the direction C of FIG. 6;
FIG. 8 is a schematic view of a third tool bit;
FIG. 9 is a view in the direction D of FIG. 8;
fig. 10 is a first working schematic diagram of the present invention;
fig. 11 is a second operation diagram of the present invention.
In the figure: 1-a slide bar, 2-a flying joint, 3-a first telescopic rod, 4-a second telescopic rod, 5-a third telescopic rod, 6-a first double-bead V-shaped pipe inner positioning elastic sheet, 7-a second double-bead V-shaped pipe inner positioning elastic sheet, 8-a first tool head, 9-a second tool head, 10-a third tool head and 11-a liquid feeding gun. 21-through hole, 22-joint connecting rod, 31-telescopic rod clamping groove, 32-first positioning hole, 41-second positioning hole and 51-telescopic rod clamping head. 81-a first vertical connecting rod, 82-a first fan-shaped plate, 83-a second fan-shaped plate, 811-a first tool clamping groove, 91-a second tool clamping groove, 92-a four-corner tool head, 101-a third tool clamping groove, 102-a hexagonal tool head; 111-inner snap spring, 112-spacing tube, 113-spring seat, 114-compression spring, 115-filling gun head, 116-screw and 117-inner sealing gasket.
Detailed Description
The utility model discloses a specific embodiment refers to fig. 1-9, a telescopic LNG liquid feeding rifle dismouting fastening combination tool, including tool body and combination tool head, the combination tool head is connected with tool body's lower extreme. The tool body comprises a sliding rod 1, a flying adapter 2 and a telescopic rod, the telescopic rod is of a hollow structure, and an inwards-concave telescopic rod clamping groove 31 is formed in the center of the upper end face of the telescopic rod. The lower end of the flying rotary joint 2 is provided with a joint connecting rod 22 matched with the telescopic rod clamping groove 31, the upper end of the flying rotary joint 2 is provided with a through hole 21, and the sliding rod 1 is slidably arranged in the through hole 21 of the flying rotary joint 2 in a penetrating mode. The center of the lower end face of the telescopic rod is provided with a telescopic rod chuck 51 protruding downwards, and the center of the upper end face of the combined tool head is provided with a tool clamping groove matched with the telescopic rod chuck 51 of the telescopic rod.
The telescopic link includes first telescopic link 3, second telescopic link 4 and third telescopic link 5, and 4 slip suits of second telescopic link are in first telescopic link 3, and 5 slip suits of third telescopic link are in second telescopic link 4. The first telescopic rod 3 is of a structure with an opening at the lower end, and the outer diameter of the second telescopic rod 4 is smaller than the inner diameter of the first telescopic rod 3. The second telescopic rod 4 is of a structure with an opening at the lower end, and the outer diameter of the third telescopic rod 5 is smaller than the inner diameter of the second telescopic rod 4. The telescopic rod clamping groove 31 is formed in the center of the upper end surface of the first telescopic rod 3, and the telescopic rod chuck 51 is formed in the center of the lower end surface of the third telescopic rod 5.
The side wall of the first telescopic rod 3 close to the lower end is provided with a first positioning hole 32, and the side wall of the second telescopic rod 4 close to the upper end is provided with a first double-bead V-shaped in-pipe positioning elastic sheet 6 matched with the first positioning hole 32. The side wall of the second telescopic rod 4 close to the lower end is provided with a second positioning hole 41, and the side wall of the third telescopic rod 5 close to the upper end is provided with a second double-bead V-shaped pipe inner positioning elastic sheet 7 matched with the second positioning hole 41. The first telescopic rod 3 and the second telescopic rod 4 are positioned through the matching of the first positioning hole 32 and the first double-bead V-shaped pipe inner positioning elastic sheet 6; the second telescopic rod 4 and the third telescopic rod 5 are positioned through the matching of the second positioning hole 42 and the second double-bead V-shaped pipe inner positioning elastic sheet 7.
The composite tool bit may be one of the first tool bit 8, the second tool bit 9 or the third tool bit 10:
the cluster tool head is a first tool head 8, the first tool head 8 comprising a first vertical link 81, a first sector plate 82 and a second sector plate 83. The lower end face of the first vertical connecting rod 81 is connected with the upper end face of the first sector plate 82, the upper end face of the second sector plate 83 is connected with the lower end face of the first sector plate 82, and the diameter of the second sector plate 83 is smaller than that of the first sector plate 82. The center of the upper end surface of the first vertical connecting rod 81 is provided with a first tool clamping groove 811 matched with the telescopic rod clamping head 51 of the third telescopic rod 5.
The combined tool head is a second tool head 9, a second tool clamping groove 91 matched with the telescopic rod clamping head 51 of the third telescopic rod 5 is formed in the center of the upper end face of the second tool head 9, and four-corner tool heads 92 with square cross sections are arranged in the center of the lower end face of the second tool head 9.
The combined tool head is a third tool head 10, a third tool clamping groove 101 matched with the telescopic rod clamping head 51 of the third telescopic rod 5 is arranged in the center of the upper end face of the third tool head 10, and a hexagonal tool head 102 with a hexagonal cross section is arranged in the center of the lower end face of the third tool head 10.
Specific methods of use (see FIGS. 10-11):
case one (see fig. 10): when the internal sealing gasket 117 of the filling gun head needs to be replaced:
1. combining the tool body and the first tool head 8 into a combination tool;
2. clamping the inner snap spring 111 by using an inner snap spring clamp by one hand;
3. the other hand presses the combined tool downwards;
4. two hands simultaneously exert force to match and take out the inner snap spring 111 and other parts;
5. the telescopic rod is contracted to replace the first tool head 8 with the second tool head 9 or the third tool head 10 (some internal sealing gaskets 117 of the liquid adding gun heads 115 are fixed by cross screws, some internal sealing gaskets 117 are fixed by internal hexagonal screws as the case may be), the screws 116 of the liquid adding gun heads 115 are disassembled, the internal sealing gaskets 117 are replaced, and the second tool head 9 or the third tool head 10 is replaced with the first tool head 8;
6. sequentially installing the inner barrel parts;
8. clamping the inner snap spring 111 by using an inner snap spring clamp by one hand and placing the inner snap spring into the inner barrel;
9. the other hand puts the combined tool into the inner cylinder body to press the inner snap spring 111 and other parts;
10. two hands simultaneously exert force to match and install the inner snap spring 111 into the snap spring groove;
11. disassembling the tool and placing the tool box.
Case two (see fig. 11): when it is desired to tighten the screw 116 of the filling gun head 115:
1. the tool body, the second tool bit 9 or the third tool bit 10 are combined. (some of the internal sealing gaskets 117 of the filling gun heads 115 are fixed by cross screws, some are fixed by internal hexagonal screws, as the case may be);
2. holding the liquid adding gun 11 with one hand;
3. the other hand directly extends the combination tool into the inner cylinder to fasten the screw 116;
4. disassembling the tool and placing the tool box.
The utility model has the advantages that: 1. the material is easy to obtain and the price is low; 2. the manufacturing is simple and the use is easy; 3. various combinations and wide application; 4. the telescopic mechanism is flexible and small in volume; 5. time and labor are saved, and the operation is safe.
The utility model discloses sealed pad or fastening screw of change that can be convenient, simple structure, convenient operation and security are high, the practicality is strong, has higher popularization and application and worth.
The above-mentioned embodiments are only for describing the preferred embodiments of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.
Claims (6)
1. A telescopic assembling, disassembling and fastening combined tool for an LNG liquid feeding gun is characterized by comprising a tool body and a combined tool head, wherein the combined tool head is connected with the lower end of the tool body; the tool body comprises a sliding rod, a flying joint and a telescopic rod, the telescopic rod is of a hollow structure, and an inwards-concave telescopic rod clamping groove is formed in the center of the upper end face of the telescopic rod; the lower end of the flying rotary joint is provided with a joint connecting rod matched with the telescopic rod clamping groove, the upper end of the flying rotary joint is provided with a through hole, and the sliding rod is slidably arranged in the through hole of the flying rotary joint in a penetrating manner; the center of the lower end face of the telescopic rod is provided with a telescopic rod clamping head protruding downwards, and the center of the upper end face of the combined tool head is provided with a tool clamping groove matched with the telescopic rod clamping head of the telescopic rod.
2. The telescopic LNG liquid feeding gun dismounting and fastening combination tool according to claim 1, wherein the telescopic rods comprise a first telescopic rod, a second telescopic rod and a third telescopic rod, the second telescopic rod is slidably sleeved in the first telescopic rod, and the third telescopic rod is slidably sleeved in the second telescopic rod; the first telescopic rod is of a structure with an opening at the lower end, and the outer diameter of the second telescopic rod is smaller than the inner diameter of the first telescopic rod; the second telescopic rod is of a structure with an opening at the lower end, and the outer diameter of the third telescopic rod is smaller than the inner diameter of the second telescopic rod; the telescopic rod clamping groove is formed in the center of the upper end face of the first telescopic rod, and the telescopic rod clamping head is arranged in the center of the lower end face of the third telescopic rod.
3. The telescopic LNG filling gun dismounting and fastening combination tool as claimed in claim 2, wherein the side wall of the first telescopic rod near the lower end is provided with a first positioning hole, and the side wall of the second telescopic rod near the upper end is provided with a first double-bead V-shaped tube inner positioning spring sheet matched with the first positioning hole; the side wall of the second telescopic rod close to the lower end is provided with a second positioning hole, and the side wall of the third telescopic rod close to the upper end is provided with a second double-bead V-shaped pipe inner positioning elastic sheet matched with the second positioning hole.
4. The telescopic LNG refueling gun disassembly and assembly fastening combination tool of claim 3, wherein the combination tool head is a first tool head comprising a first vertical link, a first sector plate and a second sector plate; the lower end face of the first vertical connecting rod is connected with the upper end face of the first sector plate, the upper end face of the second sector plate is connected with the lower end face of the first sector plate, and the diameter of the second sector plate is smaller than that of the first sector plate; the center of the upper end face of the first vertical connecting rod is provided with a first tool clamping groove matched with a telescopic rod clamping head of the third telescopic rod.
5. The telescopic LNG filling gun dismounting and fastening combination tool as claimed in claim 3, wherein the combination tool head is a second tool head, a second tool slot matched with a telescopic rod chuck of a third telescopic rod is arranged in the center of the upper end face of the second tool head, and a four-corner tool head with a square cross section is arranged in the center of the lower end face of the second tool head.
6. The telescopic LNG filling liquid rifle dismouting fastening combination tool of claim 3, characterized in that, the combination tool head is third tool head, and the center of the up end of third tool head is equipped with the third tool draw-in groove that matches with the telescopic link dop of third telescopic link, and the center of the lower terminal surface of third tool head is equipped with the hexagonal tool head that the cross section is hexagon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020305345.9U CN211681916U (en) | 2020-03-12 | 2020-03-12 | Telescopic LNG liquid feeding rifle dismouting fastening combination tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020305345.9U CN211681916U (en) | 2020-03-12 | 2020-03-12 | Telescopic LNG liquid feeding rifle dismouting fastening combination tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211681916U true CN211681916U (en) | 2020-10-16 |
Family
ID=72780638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020305345.9U Expired - Fee Related CN211681916U (en) | 2020-03-12 | 2020-03-12 | Telescopic LNG liquid feeding rifle dismouting fastening combination tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211681916U (en) |
-
2020
- 2020-03-12 CN CN202020305345.9U patent/CN211681916U/en not_active Expired - Fee Related
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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: 20201016 |