CN212430437U - Manual liquid feeding rifle - Google Patents
Manual liquid feeding rifle Download PDFInfo
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- CN212430437U CN212430437U CN202022347116.6U CN202022347116U CN212430437U CN 212430437 U CN212430437 U CN 212430437U CN 202022347116 U CN202022347116 U CN 202022347116U CN 212430437 U CN212430437 U CN 212430437U
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- gun
- sealing seat
- barrel
- front sealing
- gun barrel
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Abstract
The utility model discloses a manual liquid feeding gun, which comprises an outer gun tube head; the front sealing seat is arranged in the head of the outer gun tube, and the tail part of the front sealing seat is provided with an inner gun tube in a threaded connection mode; the valve core assembly is arranged in the front sealing seat; the inner gun tube is connected to the tail part of the front sealing seat; the connecting rod is connected to the tail part of the inner gun barrel through a shaft pin in a bolt connection mode; the outer gun barrel connecting plate is fixedly arranged at the outer gun barrel head through a screw rod, and the external pipeline and the front sealing seat are fixedly connected in a detachable mode through the stress application strip assembly and the locking assembly; the utility model relates to a rationally, simple structure, it is practical convenient for LNG's filling, the locking of the outer barrel of completion that can be ingenious through each subassembly of reasonable design and LNG's filling, reasonable adoption pivot is connected interior barrel and connecting rod with the bolt connected mode simultaneously for the installation is more convenient with the dismantlement.
Description
Technical Field
The utility model relates to a field LNG filling equipment specifically says a manual liquid feeding rifle.
Background
Lng (liquefied Natural gas), an acronym for liquefied Natural gas. Natural gas is a combustible gas that is naturally produced in gas fields and is composed primarily of methane. LNG is condensed into liquid by cooling gaseous natural gas to-162 c at atmospheric pressure. The liquefied natural gas can greatly save storage and transportation space, and has the characteristics of large heat value, high performance and the like.
LNG is a clean, efficient energy source. Since the imported LNG contributes to the energy consumption country to realize diversification of energy supply and guarantee energy safety, and the exported LNG contributes to the natural gas production country to effectively develop natural gas resources, increase foreign exchange income, and promote national economic development, the LNG trade is becoming a new hotspot in the global energy market.
Natural gas is becoming more and more popular as a clean energy source, LNG is being the preferred fuel in many countries, and the proportion of natural gas in energy supply is increasing rapidly. Liquefied natural gas is growing at a high rate of about 12% per year, becoming one of the most rapidly growing energy industries worldwide.
And at the in-process that LNG filled, manual liquid feeding gun of many adoption, and traditional manual liquid feeding gun structure is too traditional, and simultaneously and with high costs, is difficult to dismantle, and especially the power part of interior barrel and rear end is connected, and what a lot of adoption is welded fastening, and this mode is not convenient for maintain and dismantle.
SUMMERY OF THE UTILITY MODEL
Therefore, in order to solve the above-mentioned not enough, the utility model provides a reasonable in design, simple structure, it is practical convenient here for the liquid filling rifle of LNG filling, the locking of the outer barrel of completion that can be ingenious through each subassembly of reasonable design and the filling of LNG, reasonable adoption pivot is connected interior barrel and connecting rod with the bolt connected mode simultaneously for it is more convenient to install and dismantle.
The utility model is realized in such a way that a manual liquid adding gun is constructed, which comprises
An outer gun barrel head;
the front sealing seat is arranged in the head of the outer gun tube, and the tail part of the front sealing seat is provided with an inner gun tube in a threaded connection mode;
the valve core assembly is arranged in the front sealing seat and can axially move;
the inner gun tube is connected to the tail part of the front sealing seat, an inner channel of the inner gun tube and an inner channel of the front sealing seat form a liquid adding gun channel, the opening and closing of the liquid adding gun channel are controlled by the valve core assembly, and an inner gun tube spring which is positioned at the tail part of the valve core assembly and provides thrust for the valve core assembly is installed in the inner gun tube;
the connecting rod is connected to the tail part of the inner gun barrel through a shaft pin in a bolt connection mode;
the outer gun barrel connecting plate is fixedly arranged at the head of the outer gun barrel through a screw rod, the connecting rod penetrates through the outer gun barrel connecting plate, a main spring wound around the connecting rod is arranged between the outer gun barrel connecting plate and the tail end of the connecting rod, a thrust spring is arranged on the screw rod through a shaft shoulder, and the other end of the thrust spring is connected with a pressure support sleeve assembly arranged on the periphery of the inner gun barrel;
the boosting strip assembly comprises two symmetrically arranged boosting strips, the front ends of the boosting strips are arranged on the connecting plate of the outer gun tube in a hinged mode, the middle parts of the boosting strips are connected with the tail part of the connecting rod through a waist circular plate, and the waist circular plate is connected with the waist circular plate and the connecting rod in a hinged connection mode; and
and the locking assembly is used for fixedly connecting the external pipeline with the front sealing seat in a detachable mode.
Preferably, the tail part of the inner gun barrel is a connecting part, the connecting part is provided with an axial connecting hole, and the connecting part is provided with two shaft pin holes which radially penetrate through the edges of the connecting hole and are used for installing shaft pins.
Preferably, the front end of the connecting rod is inserted into the connecting hole and is provided with a ring groove matched with the shaft pin.
Preferably, the tail part of the connecting rod is an I-shaped connecting part, and pin shaft holes are formed in two sides of the I-shaped connecting part.
Preferably, the inner gun tube is provided with an extended material port, and the outer end of the material port is provided with a connecting joint through a connecting nut.
Preferably, the locking assembly comprises a plurality of jaws, the middle parts of the jaws are mounted on the outer barrel head through pin shafts, and the tail parts of the jaws are connected to the pressure support sleeve assembly sleeved on the periphery of the inner barrel in a hinged mode through connecting pieces.
Preferably, the outer gun tube head, the pressure support sleeve, the stress application strip, the waist circular plate and the clamping jaws are all precisely cast by using 304 materials to form a blank, and the blank is formed by finish machining.
The utility model has the advantages of as follows:
the utility model has reasonable design, simple structure, practicality and convenience, and is used for the liquid filling gun for LNG filling, and the locking of the outer gun barrel and the LNG filling can be skillfully completed by reasonably designing each component;
the bolt connection mode is characterized in that the tail part of the inner gun barrel is provided with a connecting part, the connecting part is provided with an axial connecting hole, and the connecting part is provided with two shaft pin holes which radially penetrate through the edge of the connecting hole and are used for mounting shaft pins; the front end of the connecting rod is inserted into the connecting hole and is provided with a ring groove matched with the shaft pin; the tail part of the connecting rod is an I-shaped connecting part, and pin shaft holes are formed in two sides of the I-shaped connecting part; this connected mode is more convenient to reliable and stable, because interior barrel only needs axial displacement, so with this mode joint strength satisfy the demand completely, when whole liquid feeding rifle is maintained, it is also more convenient to maintain.
Meanwhile, the outer gun tube head, the pressure support sleeve, the stress application strip, the waist circular plate and the clamping jaws are all precisely cast by adopting 304 materials to form a blank, and the blank is formed by finish machining; the blank is precisely cast by 304 materials, and is suitable for batch production. The subsequent machining allowance is reduced, and the whole structure is simple; the product cost can be reduced integrally; at present, gun barrels in the market are commonly processed by using aluminum alloy. Compared with various mechanical properties of the 304 material, the tensile strength and the surface wear resistance are better; the service life is longer, and the later maintenance is less. And after the blank is precisely cast, the surface modeling is facilitated, the weight of the product is reduced, and the appearance of the product is beautified.
Drawings
Fig. 1 is a top view of the present invention;
fig. 2 is a front view of the present invention;
FIG. 3 is an assembly view of the present invention in the open jaw position;
fig. 4 is a front view of the present invention;
fig. 5 is a perspective view showing the connection state of the inner gun barrel and the connecting rod of the present invention;
fig. 6 is a top view of the connection between the inner barrel and the connecting rod of the present invention;
fig. 7 is a front view of the connection state of the inner gun barrel and the connecting rod of the present invention;
FIG. 8 is a cross-sectional view A-A of FIG. 7;
fig. 9 is a schematic view of the connection rod and the shaft pin of the present invention;
fig. 10 is a perspective view of the connecting rod of the present invention;
fig. 11 is a perspective view of the inner barrel of the present invention;
FIG. 12 is a perspective view of the outer barrel head of the present invention;
fig. 13 is a perspective view of the jaw of the present invention;
fig. 14 is a perspective view of the pressure support sleeve of the present invention;
fig. 15 is a perspective view of a lumbar disc of the present invention;
fig. 16 is a perspective view of the force application strip of the present invention.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 16, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a manual liquid filling gun through the improvement, include
An outer gun barrel head 1;
the front sealing seat 7 is arranged in the head of the outer gun and is provided with an inner gun tube 13 at the tail part in a threaded connection mode;
the valve core assembly 5 is arranged in the front sealing seat 7 and can axially move;
the inner gun tube 13 is connected with the tail part of the front sealing seat, an inner channel of the inner gun tube and an inner channel of the front sealing seat form a liquid adding gun channel, the opening and closing of the liquid adding gun channel are controlled by the valve core assembly, and an inner gun tube spring 10 which is positioned at the tail part of the valve core assembly and provides thrust for the valve core assembly is installed in the inner gun tube;
a connecting rod 14 connected to the rear of the inner barrel 13 in a bayonet connection by a shaft pin 20;
the outer gun tube connecting plate 6 is fixedly arranged on the outer gun tube head 1 through a screw rod 4, the connecting rod penetrates through the outer gun tube connecting plate 6, a main spring 12 wound around the connecting rod is arranged between the outer gun tube connecting plate and the tail end of the connecting rod, a thrust spring is arranged on the screw rod through a shaft shoulder, and the other end of the thrust spring is connected with a pressure support sleeve assembly 11 arranged on the periphery of an inner gun tube 13; the pressure support sleeve assembly 11 comprises a pressure support sleeve 11.2 and a plurality of tiles 11.1 welded to the front end.
The boosting strip assembly comprises two symmetrically-arranged boosting strips 8, the front ends of the boosting strips are arranged on the outer gun tube connecting plate 6 in a hinged mode, the middle parts of the boosting strips 8 are connected with the tail parts of the connecting rods 14 through waist circular plates 8.1, and the waist circular plates are connected with the waist circular plates and the connecting rods in a hinged connection mode; and
and the locking assembly is used for fixedly connecting the external pipeline with the front sealing seat in a detachable mode.
In this embodiment, the tail of the inner barrel 13 is a connecting portion 13.1, an axial connecting hole 13.2 is formed in the connecting portion, and two shaft pin holes 13.3 radially penetrating the edge of the connecting hole and used for mounting a shaft pin are formed in the connecting portion.
In this embodiment, the front end of the connecting rod 14 is inserted into the connecting hole 13.2 and is provided with a ring groove 14.2 matched with the shaft pin 20.
In this embodiment, the tail of the connecting rod 14 is an i-shaped connecting portion 14.1, and pin shaft holes are formed at two sides of the i-shaped connecting portion.
In this embodiment the inner barrel 13 is provided with an extended spout 13.1 at the outer end of which a coupling nipple 17 is mounted by means of a coupling nut 16.
In this embodiment, the locking assembly comprises a plurality of jaws 2, the middle of which is mounted to the outer barrel head 1 by a pin, and the tail of which is hingedly connected to a pressure support sleeve assembly 11, which is fitted around the outer circumference of the inner barrel 13, by a connecting piece 3.
In the embodiment, the outer gun tube head 1, the pressure support sleeve 11.2, the stress application strip 8, the waist circular plate 8.1 and the jaws 2 are all precisely cast by using 304 materials to form a blank, and the blank is formed by finish machining.
The utility model relates to a LNG filling gun, when using, the staff at first docks the stack of external pipeline in the outer gun tube head, moves the motion of afterburning strip 8 again manually, afterburning strip 8 drives connecting rod 14 to move through waist plectane 8.1 again, drives inner barrel 13 to move again, and pressure support cover assembly moves forward under the promotion of screw rod spring force, drives the connection piece to move, and connecting plate 3 promotes the jack catch to move again, through the locking of jack catch 2 pair realization external stack; meanwhile, the inner gun tube 13 drives the front sealing seat 7 to move, when the front sealing seat 7 and the outer gun tube head move relatively, the valve core assembly is pushed and moves relatively with the valve core assembly 5, so that the liquid adding gun channel is communicated with the external outer gun tube, and LNG filling is realized.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. 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 invention. Thus, the present invention 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 (7)
1. The utility model provides a manual liquid feeding rifle which characterized in that: comprises that
An outer gun barrel head (1);
the front sealing seat (7) is arranged in the head of the outer gun barrel, and the tail part of the front sealing seat is provided with an inner gun barrel (13) in a threaded connection way;
the valve core assembly (5) is arranged in the front sealing seat (7) and can move axially;
the inner gun tube (13) is connected to the tail part of the front sealing seat, an inner channel of the inner gun tube and an inner channel of the front sealing seat form a liquid adding gun channel, the opening and closing of the liquid adding gun channel are controlled by the valve core assembly, and an inner gun tube spring (10) which is positioned at the tail part of the valve core assembly and provides thrust for the valve core assembly is installed in the inner gun tube;
the connecting rod (14) is connected to the tail part of the inner gun tube (13) in a bolt connection mode through a shaft pin (20);
the gun barrel assembly comprises an outer gun barrel connecting plate (6) and an inner gun barrel (13), wherein the outer gun barrel connecting plate is fixedly arranged on an outer gun barrel head (1) through a screw rod (4), a connecting rod penetrates through the outer gun barrel connecting plate (6), a main spring (12) wound around the connecting rod is arranged between the outer gun barrel connecting plate and the tail end of the connecting rod, a thrust spring is arranged on the screw rod through a shaft shoulder, and the other end of the thrust spring is connected with a pressure support sleeve assembly (11) arranged on the periphery of the inner gun barrel (13;
the force application strip assembly comprises two symmetrically arranged force application strips (8), the front ends of the force application strips are arranged on the outer gun tube connecting plate (6) in a hinged mode, the middle parts of the force application strips (8) are connected with the tail parts of the connecting rods (14) through waist circular plates (8.1), and the waist circular plates are connected with the waist circular plates and the connecting rods in a hinged connection mode; and
and the locking assembly is used for fixedly connecting the external pipeline with the front sealing seat in a detachable mode.
2. A hand-operated dispensing gun as claimed in claim 1, wherein: the tail of the inner gun tube (13) is a connecting part (13.1), an axial connecting hole (13.2) is formed in the connecting part, and two shaft pin holes (13.3) which radially penetrate through the edge of the connecting hole and are used for installing shaft pins are formed in the connecting part.
3. A hand-operated dispensing gun as claimed in claim 2, wherein: the front end of the connecting rod (14) is inserted into the connecting hole (13.2) and is provided with a ring groove (14.2) matched with the shaft pin (20).
4. A hand-operated dispensing gun as claimed in claim 3, wherein: the tail part of the connecting rod (14) is an I-shaped connecting part (14.1), and pin shaft holes are formed in two sides of the I-shaped connecting part.
5. A hand-operated dispensing gun as claimed in claim 1, wherein: the inner gun barrel (13) is provided with an extended material port (13.1), and the outer end of the material port is provided with a connecting joint (17) through a connecting nut (16).
6. A hand-operated dispensing gun as claimed in claim 1, wherein: the locking assembly comprises a plurality of clamping jaws (2), the middle parts of the clamping jaws are arranged on the outer gun tube head (1) through pin shafts, and the tail parts of the clamping jaws are connected with a pressure support sleeve (11.2) sleeved on the periphery of the inner gun tube (13) in a hinged mode through connecting pieces (3).
7. A hand-operated dispensing gun as claimed in claim 6, wherein: the outer gun tube head (1), the pressure support sleeve (11.2), the stress application strip (8), the waist circular plate (8.1) and the clamping jaws (2) are all formed by precisely casting 304 materials to form a blank, and the blank is formed by finish machining.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022347116.6U CN212430437U (en) | 2020-10-21 | 2020-10-21 | Manual liquid feeding rifle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022347116.6U CN212430437U (en) | 2020-10-21 | 2020-10-21 | Manual liquid feeding rifle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212430437U true CN212430437U (en) | 2021-01-29 |
Family
ID=74279797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022347116.6U Active CN212430437U (en) | 2020-10-21 | 2020-10-21 | Manual liquid feeding rifle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212430437U (en) |
-
2020
- 2020-10-21 CN CN202022347116.6U patent/CN212430437U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |