CN113427786B - Manufacturing method of gas-water pipe assembly - Google Patents
Manufacturing method of gas-water pipe assembly Download PDFInfo
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- CN113427786B CN113427786B CN202110636061.7A CN202110636061A CN113427786B CN 113427786 B CN113427786 B CN 113427786B CN 202110636061 A CN202110636061 A CN 202110636061A CN 113427786 B CN113427786 B CN 113427786B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/753—Medical equipment; Accessories therefor
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Abstract
The invention provides a manufacturing method of a gas-water pipe assembly, which integrally forms a cover body on a pipe body, so that a liquid supply pipe body, a gas supply pipe body and the cover body form an integral structure. When this air water pipe subassembly is connected with the air water bottle, only need to twist the lid on the bottleneck of air water bottle, can accomplish being connected of liquid supply body and gas supply body and air water bottle, need not to wear to establish in the air water bottle with liquid supply body and gas supply body respectively again, it is difficult with the correspondence of a plurality of pipelines to have avoided a plurality of interfaces in the connection process to be connected, produces the condition that corresponds the connection and make mistakes easily, has guaranteed the smooth use of air water pipe subassembly. In addition, the liquid supply pipe body, the gas supply pipe body and the cover body form an integrated structure, so that the condition that the pipe body is separated from the gas-water bottle in the operation process can be avoided, and the operation safety is ensured.
Description
Technical Field
The invention relates to the technical field of medical instrument preparation, in particular to a manufacturing method of a gas-water pipe assembly.
Background
Endoscopes are medical devices commonly used in the art, and generally include a head module for direct insertion into the interior of the human body, a bendable bending section, and a handle control end for manual manipulation. In the using process of the endoscope, in order to acquire a clearer inspection image or a clearer diagnosis image, the lens of the head end module and the internal environment of the human body need to be washed in time or corresponding internal tissue liquid needs to be sucked, and correspondingly, an air-water pipeline is arranged in the endoscope.
Wherein, one end of the air-water pipeline is arranged on the head end module, and the other end of the air-water pipeline passes through the head end module, the bending part and the handle control end and is connected with an air-water bottle, a negative pressure suction bottle or an air bottle outside the endoscope. The air bottle, the negative pressure suction bottle and the air bottle are provided with a plurality of liquid interfaces or gas interfaces, and each interface needs to be correspondingly connected with a gas pipeline or a liquid pipeline of the endoscope so as to generate corresponding functions. However, in the clinical use process, the connection between the plurality of interfaces and the plurality of pipelines is not easy to correspond, and the connection error is easy to occur, thereby causing a great operation risk.
In addition, the gas-water pipe is usually connected with the bottle cap of the gas-water bottle through a transition connecting piece, so that an operator is difficult to pull out and insert in the use process, the joint of the gas-water pipe and the gas-water bottle is easy to loosen, the gas-water pipe is easy to be separated from the gas-water bottle in the endoscope operation process, and the operation risk is increased.
Disclosure of Invention
The invention aims to provide a manufacturing method of a gas-water pipe assembly, and the gas-water pipe assembly manufactured by the manufacturing method can solve the technical problems that in the prior art, a gas-water pipe in an endoscope is easy to be connected with a gas-water bottle, is easy to make mistakes and is difficult to pull and insert, and the gas-water pipe is easy to be separated from the gas-water bottle, so that a large operation risk is caused.
In order to solve the technical problem, the invention provides a manufacturing method of a gas-water pipe assembly, which comprises the following steps: forming a pipe body: forming a hollow pipe body with two open ends, wherein the pipe body comprises a liquid supply pipe body and a gas supply pipe body; forming a cover body: providing the cover with first and second through holes and first and second flanges; the first through hole and the second through hole are formed in the cover body, the first flange is arranged around the edge of the first through hole and protrudes on the surface of the cover body, and the second flange is arranged around the edge of the second through hole and protrudes on the surface of the cover body; the pipe body is connected with the cover body: and then fixing the liquid supply pipe body and the cover body into an integral structure, and fixing the gas supply pipe body and the cover body into an integral structure.
Optionally, the liquid supply tube and the cover are fixed into an integral structure by thermal compression, and the gas supply tube and the cover are fixed into an integral structure by thermal compression, wherein the thermal compression comprises: injecting hot melt adhesive into the gap between the liquid supply pipe body and the first flange and the gap between the gas supply pipe body and the second flange; the liquid supply tube and the cover are fixed into an integral structure and the gas supply tube and the cover are fixed into an integral structure by setting a pressure and thermocompression bonding the liquid supply tube and the first flange, and the gas supply tube and the second flange at a set temperature for a set time.
Optionally, the liquid supply tube body, the gas supply tube body, and the cover body are preheated to a temperature less than the temperature at which the liquid supply tube body, the gas supply tube body, and the cover body are thermally deformed before injecting the hot melt adhesive into the gap between the liquid supply tube body and the first flange and the gap between the gas supply tube body and the second flange.
Optionally, the set pressure is 0N/m2～8×105N/m2The set temperature is 60-160 ℃, and the set time is 5-120 s.
Optionally, the liquid supply pipe and the cover are fixed into an integral structure by means of ultraviolet gluing, and the gas supply pipe and the cover are fixed into an integral structure by means of ultraviolet gluing, wherein the ultraviolet gluing step comprises: injecting ultraviolet photosensitive glue into a gap between the liquid supply pipe body and the first flange and a gap between the gas supply pipe body and the second flange; and irradiating the ultraviolet photosensitive adhesive by adopting ultraviolet light with a set wavelength for a set time to ensure that the liquid supply pipe body and the cover body are fixed into an integral structure and the gas supply pipe body and the cover body are fixed into an integral structure.
Optionally, the set wavelength is 300nm to 400nm, and the set time is 5s to 60 s.
Optionally, the outer diameter of the liquid supply pipe body is smaller than the inner diameter of the first flange, and the liquid supply pipe body penetrates through the first flange and is fixed with the first flange into an integral structure.
Optionally, the liquid supply tube has an inner diameter greater than an outer diameter of the first flange, the liquid supply tube comprising a first liquid supply tube and a second liquid supply tube, the first flange comprising a first upper flange exposed to the upper surface of the cover and a first lower flange exposed to the lower surface of the cover; sleeving the first liquid supply pipe body with the first upper flange and fixing the first liquid supply pipe body and the first upper flange into an integral structure; the second liquid supply pipe body is sleeved with the first lower flange and is fixed with the first lower flange into an integral structure.
Optionally, the liquid supply tube comprises a first liquid supply tube having an inner diameter greater than an outer diameter of the first flange and a second liquid supply tube having an outer diameter less than the inner diameter of the first flange; sleeving the first liquid supply pipe body on the outer surface of the first flange, and fixing the first liquid supply pipe body and the first flange into an integral structure; the second liquid supply tube is then nested within the inner surface of the first flange and secured in a unitary construction with the first flange.
Optionally, the gas supply pipe body has an outer diameter smaller than an inner diameter of the second flange, and the gas supply pipe body penetrates through the second flange and is fixed to the second flange as an integral structure.
Optionally, the inner diameter of the gas supply pipe body is larger than the outer diameter of the second flange, and the gas supply pipe body is sleeved on the part of the second flange exposed on the upper surface of the cover body and fixed with the second flange into an integral structure.
Optionally, the gas supply tube has an inner diameter greater than an outer diameter of the second flange, the gas supply tube comprising a first gas supply tube and a second gas supply tube, the second flange comprising a second upper flange exposed to the upper surface of the cover and a second lower flange exposed to the lower surface of the cover; the first gas supply pipe body is sleeved with the second upper flange and is fixed with the second upper flange into an integral structure; the second gas supply pipe body is sleeved with the second lower flange and fixed with the second lower flange into an integral structure.
Optionally, the step of forming the cover further comprises providing a seal of annular or L-shaped configuration inside the cover.
Optionally, the step of molding the cover body further includes providing a sealing element of an L-shaped structure inside the cover body, where the sealing element of the L-shaped structure includes an annular sealing main body and an annular protrusion provided at an end face of the sealing main body, and an inner diameter of the annular protrusion is greater than an inner diameter of the sealing main body; and arranging the sealing element with the L-shaped structure on the lower surface of the cover body, fixing the annular bulge and the lower surface of the cover body, and extending the sealing main body outwards out of the cover body.
Optionally, the liquid supply tube comprises a first liquid supply tube and a second liquid supply tube, the first liquid supply tube having an inner diameter greater than an outer diameter of the second liquid supply tube; the second liquid supply tube is nested inside the first liquid supply tube and is slidable relative to the first liquid supply tube.
According to the technical scheme, the beneficial effects of the invention are as follows: the invention relates to a manufacturing method of a gas-water pipe component, wherein a cover body is integrally formed on a pipe body, so that a liquid supply pipe body, a gas supply pipe body and the cover body form an integral structure. When this air water pipe subassembly is connected with the air water bottle, only need to twist the lid on the bottleneck of air water bottle, just can accomplish being connected of liquid supply body and gas supply body and air water bottle, need not to wear to establish in the air water bottle with liquid supply body and gas supply body respectively again, avoided being connected of a plurality of interfaces and a plurality of pipelines in the connection process difficult corresponding, produce the condition of connecting the mistake easily, guaranteed the smooth use of air water pipe subassembly. In addition, the liquid supply tube body, the gas supply tube body and the cover body form an integrated structure, so that the situation that the tube body is separated from the gas-water bottle in the operation process can be avoided, and the operation safety is ensured.
Drawings
FIG. 1 is a flow chart of the steps of the method of manufacturing the gas and water tube assembly of the present invention;
FIG. 2 is a schematic structural diagram of an embodiment of a gas-water pipe assembly according to the present invention;
FIG. 3 is a schematic structural diagram of a cover and a sealing member in an embodiment of the gas-water pipe assembly of the present invention;
FIG. 4 is a top view of the seal shown in FIG. 3;
FIG. 5 is an end view of the seal shown in FIG. 3 in longitudinal section;
FIG. 6 is a schematic structural diagram of an embodiment of a gas-water pipe assembly according to the present invention;
FIG. 7 is a schematic structural diagram of an embodiment of a gas-water pipe assembly according to the present invention;
FIG. 8 is a schematic structural diagram of an embodiment of a gas-water pipe assembly according to the present invention;
FIG. 9 is a schematic structural diagram of an embodiment of a gas-water pipe assembly according to the present invention;
FIG. 10 is a schematic structural diagram of a gas-water pipe assembly according to an embodiment of the present invention;
FIG. 11 is a schematic structural diagram of an embodiment of a gas-water pipe assembly according to the present invention.
The reference numerals are explained below: 10. a liquid supply tube body; 11. a first liquid supply tube; 12. a second liquid supply tube; 20. a gas supply pipe body; 21. a first gas supply tube; 22. a second gas supply pipe; 30. a cover body; 31. a first through hole; 32. a second through hole; 33. a first flange; 331. a first upper flange; 332. a first lower flange; 34. a second flange; 341. a second upper flange; 342. a second lower flange; 40. a seal member; 41. a sealing body; 42. an annular protrusion.
Detailed Description
Exemplary embodiments that embody features and advantages of the invention are described in detail below. It is to be understood that the invention is capable of other embodiments and that various changes in form and details may be made therein without departing from the scope of the invention and the description and drawings are to be regarded as illustrative in nature and not as restrictive.
For further explanation of the principles and construction of the present invention, reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings.
Referring to fig. 1, an embodiment of the present application provides a manufacturing method of a gas-water pipe assembly, including the following steps:
s10, forming a pipe body: forming a hollow pipe body with two open ends, wherein the pipe body comprises a liquid supply pipe body and a gas supply pipe body;
s20, forming a cover body: enabling the molded cover body to be provided with a first through hole, a second through hole, a first flange and a second flange, wherein the first through hole and the second through hole are formed in the cover body, the first flange is arranged around the edge of the first through hole and protrudes on the surface of the cover body, and the second flange is arranged around the edge of the second through hole and protrudes on the surface of the cover body;
s30, connecting the pipe body with the cover body: the liquid supply pipe body is connected with the first flange at the first through hole, the gas supply pipe body is connected with the second flange at the second through hole, and then the liquid supply pipe body and the cover body are fixed into an integral structure, and the gas supply pipe body and the cover body are fixed into an integral structure.
In the manufacturing method of the present application, the cover 30 is integrally formed on the tube, so that the liquid supply tube 10, the gas supply tube 20 and the cover 30 form an integral structure.
When the air-water pipe assembly manufactured by the manufacturing method is connected with the air-water bottle, the cover body 30 is only required to be screwed on the bottle opening of the air-water bottle, so that the connection between the liquid supply pipe body 10 and the air-water bottle and the connection between the gas supply pipe body 20 and the air-water bottle can be completed, the liquid supply pipe body 10 and the air supply pipe body 20 are not required to be arranged in the air-water bottle in a penetrating mode, the problem that a plurality of interfaces are not easy to connect with a plurality of pipelines in the connection process is solved, the condition that the corresponding connection is mistaken is easily generated, and the smooth use of the air-water pipe assembly is guaranteed. In addition, the liquid supply tube 10, the gas supply tube 20 and the cover 30 form an integrated structure, which can avoid the tube from separating from the gas-water bottle during the operation process, and ensure the safety of the operation.
Example one
In this embodiment, a method for manufacturing the gas-water pipe assembly will be further described in detail.
In step S10, a pipe body may be extrusion-molded by an extruder. The specific steps of the pipe body extrusion molding comprise: adding the raw materials into a heating charging barrel of an extruder, and heating the raw materials in the heating charging barrel to form a pasty thick material; the slurry thick material enters a pipe body forming mold through a hot runner sprue so as to form a hollow pipe body with two open ends.
Wherein, the raw material for forming the pipe body can be resin, rubber, plastic and the like. It should be noted that, in addition to extrusion molding by an extruder, the pipe body may be molded by injection molding, 3D printing, or the like, as long as a flexible pipe body having both ends open and a hollow interior is obtained.
In this embodiment, can be through the fashioned mould of design body to obtain the not unidimensional body, if have the body of multiple not equidimensional external diameter, the body of multiple not equidimensional internal diameter, and the body of multiple different length etc..
In an exemplary manner, referring to fig. 2, fig. 2 illustrates a liquid supply tube and a structure form of the liquid supply tube connected to a cover, and the cover and the gas supply tube are not limited. For the liquid supply tube 10, the liquid supply tube 10 may include a first liquid supply tube 11 and a second liquid supply tube 12, the first liquid supply tube 11 having an inner diameter greater than an outer diameter of the second liquid supply tube 12.
After the first and second liquid supply tubes 11, 12 are prepared, the second liquid supply tube 12 is nested inside the first liquid supply tube 11 prior to assembly with the cap 30. The first liquid supply tube 11 and the second liquid supply tube 12 can be sleeved by stamping, so that the second liquid supply tube 12 can slide relative to the first liquid supply tube 11. In assembly, the first liquid supply tube body 11 and the second liquid supply tube body 12, which are connected in a nested manner, are connected as a whole to the cap body 30.
The first liquid supply tube 11 shown in FIG. 2 is connected to the first flange 33 at the first through hole 31, so that the second liquid supply tube 12 is located under the cover 30. In other embodiments, the second liquid supply tube 12 can be connected to the first flange 33 at the first through hole 31, such that the first liquid supply tube 11 is located under the cover 30.
By nesting the first liquid supply tube 11 and the second liquid supply tube 12, the length of the liquid supply tube 10 can be extended, and the length of the liquid supply tube 10 can be selectively adjusted to effectively fit air-water bottles of different sizes, thereby improving the applicability of the air-water tube assembly.
In another embodiment, the liquid supply tube 10 and the gas supply tube 20 may be formed as an integral tube, and the integral tube 10 and the integral tube 20 are formed, and the liquid supply tube 10 is connected to the first flange 33 at the first through hole 31, and the integral tube 20 is connected to the second flange 34 at the second through hole 32. Other configurations are possible and will be described in detail below.
In step S20, the cover 30 is molded such that the molded cover 30 has the first and second through holes 31 and 32 and the first and second flanges 33 and 34.
A first through hole 31 and a second through hole 32 are opened in the lid body 30, a first flange 33 is provided around the edge of the first through hole 31 and is made to project on the surface of the lid body 30, and a second flange 34 is provided around the edge of the second through hole 32 and is made to project on the surface of the lid body 30.
In step S20, the lid body 30 may be extrusion molded by an extruder. The specific steps of the extrusion molding of the cover 30 include: adding the raw materials into a heating charging barrel of an extruder, and heating the raw materials in the heating charging barrel to form a pasty material; the slurry-like thick material enters a mold for molding the cap 30 through a hot runner sprue to mold the cap 30 having the first and second through holes 31 and 32 and the first and second flanges 33 and 34.
The material for molding the lid body 30 may be resin, rubber, plastic, or the like. Note that, in addition to extrusion molding by an extruder, the lid body 30 may be molded by injection molding, 3D printing, or the like, as long as the lid body 30 having the first and second through holes 31 and 32 and the first and second flanges 33 and 34 is obtained.
In the present embodiment, the mold for molding the cover 30 can be designed to obtain covers 30 with different sizes and different structures, such as: the cover body 30 with different positions of the first flange 33 and the second flange 34 protruding on the surface of the cover body 30, the cover body 30 with different inner diameter and outer diameter sizes of the first flange 33 and the second flange 34, and the like.
In step S30, the liquid supply tube 10 is connected to the first flange 33 at the first through hole 31, and the gas supply tube 20 is connected to the second flange 34 at the second through hole 32.
The liquid supply tube 10 and the cover 30 are fixed together by thermal compression, and the gas supply tube 20 and the cover 30 are fixed together. Wherein, the step of hot pressing includes:
s31a, injecting hot melt adhesive into the gap between the liquid supply pipe body 10 and the first flange 33 and the gap between the gas supply pipe body 20 and the second flange 34;
s32a, fixing the liquid supply tube 10 and the lid body 30 in an integrated structure, and fixing the gas supply tube 20 and the lid body 30 in an integrated structure, by setting the pressure and thermocompression bonding the liquid supply tube 10 and the first flange 33, and the gas supply tube 20 and the second flange 34 at the set temperature for the set time.
In the present embodiment, the thermal compression fixing of the liquid supply tube 10, the gas supply tube 20 and the cover 30 is realized by a thermal compression device. The hot-pressing device comprises a preheating module, a hot-pressing joint module and a transmission module.
The preheating module can be an infrared radiation module, such as an infrared lamp heater or an infrared heater. The hot-press bonding module comprises a heating part and a pressurizing part, wherein the heating part is provided with a microfluidic chip, and the pressurizing part comprises an upper pressure bonding head and a lower pressure bonding head. The transfer module may be a mechanical transfer module for transferring the workpiece from the preheating module to the thermocompression bonding module while the workpiece is maintained in the preheated state.
Specifically, after step S31a is completed, before step S32a is performed, the liquid supply tube 10, the gas supply tube 20, and the lid 30 are preheated by the preheating module in the hot pressing device, and the preheating temperature is lower than the temperature of the liquid supply tube 10, the gas supply tube 20, and the lid 30 that are deformed by heat.
The liquid supply tube 10, the gas supply tube 20, and the lid 30 are subjected to a preheating treatment before the thermocompression bonding, so that the time required for the thermocompression bonding can be shortened.
After preheating, the transfer module transfers the liquid supply tube 10, the gas supply tube 20 and the cover 30 from the preheating module to the thermocompression bonding module. In step S32a, the liquid supply tube 10, the gas supply tube 20, and the lid body 30 are thermocompression bonded using the heating unit and the pressurizing unit of the thermocompression bonding module at 0N/m2～8×105N/m2The liquid supply tube body 10 and the gas supply tube body 20 are thermally press-bonded to the lid body 30 at a pressure of 60 to 160 c for 5 to 120 seconds.
The liquid supply tube 10, the gas supply tube 20 and the cover 30 are fixed into an integral structure by thermocompression bonding, so that the tightness of the joints of the liquid supply tube 10, the gas supply tube 20 and the cover 30 can be ensured, the joints are prevented from warping, and the overall structural strength of the gas-water tube assembly is ensured.
In addition to the thermal compression method, in another embodiment, in step S30, the liquid supply pipe 10 and the cover 30 may be integrally fixed by ultraviolet bonding, and the gas supply pipe 20 and the cover 30 may be integrally fixed. Wherein, the step of ultraviolet gluing comprises:
s31b, injecting ultraviolet photosensitive glue into the gap between the liquid supply pipe 10 and the first flange 33 and the gap between the gas supply pipe 20 and the second flange 34;
s32b, the ultraviolet photosensitive adhesive is irradiated by ultraviolet light, so that the liquid supply tube 10 and the cover 30 are fixed into an integral structure, and the gas supply tube 20 and the cover 30 are fixed into an integral structure.
In step S31b, the uv-sensitive adhesive may include oligomers, reactive monomers, photoinitiators, and auxiliaries. The oligomer is selected from epoxy acrylic acid, polyurethane acrylate, unsaturated polyester and the like, the active unit comprises dimethylol propionic acid, tert-butyl acrylate, methyl methacrylate and the like, the photoinitiator is selected from benzophenone derivatives, thioxanthone derivatives and the like, the auxiliary agent is selected from nano silicon dioxide, the proportion of the oligomer is between 20% and 50%, the proportion of the active monomer is between 5% and 60%, the proportion of the photoinitiator is between 1% and 10%, and the proportion of the auxiliary agent is between 1% and 10%.
After injecting the ultraviolet photosensitive adhesive into the gaps between the liquid supply tube 10, the gas supply tube 20 and the cover 30, in step S32b, the ultraviolet photosensitive adhesive is irradiated by ultraviolet light with a wavelength of 300nm to 400nm for 5S to 60S, so that the liquid supply tube 10 and the cover 30 are fixed into an integrated structure, and the gas supply tube 20 and the cover 30 are fixed into an integrated structure.
The liquid supply pipe body 10, the gas supply pipe body 20 and the cover body 30 are fixed into an integral structure in an ultraviolet gluing mode, the operation steps are simpler, and the production efficiency of the gas-water pipe assembly can be improved.
After the air-water pipe assembly is prepared, the air-water pipe assembly can be mutually assembled with other parts of the endoscope, so that the complete endoscope is prepared.
In addition, step S20 may further include providing a sealing member 40 of a ring structure or an L-shaped structure inside the cover 30. The seal 40 may be formed from a plastic material, an elastomeric material, a thermoplastic elastomer material, a rigid polymer, Acrylonitrile Butadiene Styrene (ABS), methyl methacrylate Acrylonitrile Butadiene Styrene (ABS), polyvinyl chloride (PVC), polystyrene, polycarbonate, polypropylene, nylon, silicone, rubber, or combinations thereof.
After the cover 30 is molded, a sealing member 40 having a ring structure or an L-shaped structure is mounted on the inner side of the cover 30, and the sealing member 40 is provided to improve the sealing property between the cover 30 and the air bottle. Wherein, the sealing member 40 with a ring structure is directly fixed on the lower surface of the cover 30.
Referring to fig. 3 to 5, the sealing member 40 of an L-shaped structure includes an annular sealing main body 41 and an annular protrusion 42 provided on an end surface of the sealing main body 41. Wherein the outer peripheral side wall of the annular projection 42 is flush with the outer peripheral side wall of the sealing main body 41, the inner diameter of the annular projection 42 is larger than the inner diameter of the sealing main body 41, and the annular projection 42 and the sealing main body 41 form a step-like structure in the interior of the sealing member 40. After the cover 30 is formed, a sealing member 40 having an L-shaped structure is disposed on the lower surface of the cover 30, so that the annular protrusion 42 is fixed to the lower surface of the cover 30, and the sealing body 41 extends outward from the cover 30.
Through the sealing member 40 that sets up L shape structure, not only can strengthen the leakproofness of lid 30 and gas-water bottle, can also make the gas-water bottle of the inconsistent internal diameter of lid 30 adaptation for the lid 30 can adapt to the gas-water bottle of multiple bottleneck, thereby increases the application scope of gas-water pipe subassembly.
Example two
In the present embodiment, another manufacturing method of the gas-water pipe assembly will be described in detail. According to the manufacturing method in this embodiment, the same as the first embodiment, the tube body, the flange and the cover 30 can be connected to form a solid-integrated structure by thermal compression or ultraviolet bonding, and the sealing member 40 is provided to enhance the air tightness.
Different from the first embodiment, the present embodiment specifically discloses a structure form of the liquid supply pipe 10 penetrating through the first flange 33.
Referring to fig. 6, the liquid supply tube and the connection structure between the liquid supply tube and the cover are only illustrated, and the cover and the gas supply tube are not limited. Wherein, the outer diameter of the liquid supply tube 10 is smaller than the inner diameter of the first flange 33, and the liquid supply tube 10 penetrates through the first flange 33.
In step S30, the liquid supply pipe 10 is inserted through the first flange 33 such that the liquid supply pipe 10 is inserted through the first through hole 31. Then, the outer wall of the liquid supply tube body 10 is connected to the inner wall of the first flange 33, so that the liquid supply tube body 10 and the first flange 33 are fixed into an integral structure, thereby making the liquid supply tube body 10 and the cover 30 into an integral structure.
Under this kind of connected mode, the stress that produces when the combination of body and the lateral wall of flange can offset the joint to a certain extent avoids the warpage of body and lid 30 junction, strengthens the two connection compactness better, guarantees holistic structural strength effectively.
Note that, except for the form shown in fig. 6 in which the first flange 33 is exposed to the upper surface of the lid body 30, the first flange 33 protrudes on the upper surface of the lid body 30. In other embodiments, the arrangement form of the first flange 33 on the cover 30 may also be: the first flange 33 is exposed to the lower surface of the lid body 30, or the first flange 33 is exposed to both the upper surface and the lower surface of the lid body 30, that is, the first flange 33 includes a first upper flange 331 exposed to the upper surface of the lid body 30 and a first lower flange 332 exposed to the lower surface of the lid body 30, and the inner diameters of the first upper flange 331 and the first lower flange 332 are larger than the outer diameter of the liquid supply pipe body 10.
EXAMPLE III
In the present embodiment, another manufacturing method of the gas-water pipe assembly will be described in detail. According to the manufacturing method of the embodiment, the same as the first embodiment is that the tube body, the flange and the cover 30 can be connected into a solid structure by thermal compression or ultraviolet bonding, and the sealing member 40 as the first embodiment is provided to enhance the air tightness.
The present embodiment is different from the first embodiment in that the present embodiment specifically discloses a connection form between each of the divided bodies of the liquid supply tube 10 and the lid body 30 in the case where the liquid supply tube 10 is of a divided structure.
In steps S10 and S20, the liquid supply tube 10, the gas supply tube 20 and the cover 30 can be molded in various structures, and in step S30, the connection between the liquid supply tube 10 and the first flange 33 at the first through hole 31 and the connection between the gas supply tube 20 and the second flange 34 at the second through hole 32 can be in various forms.
In this embodiment, referring to fig. 7, fig. 7 illustrates a liquid supply pipe and a structure form of the liquid supply pipe connected to a cover, the cover and a gas supply pipe are not limited, and the liquid supply pipe 10 includes a first liquid supply pipe 11 and a second liquid supply pipe 12. The first flange 33 includes a first upper flange 331 exposed to the upper surface of the cover 30 and a first lower flange 332 exposed to the lower surface of the cover 30. Wherein the inner diameter of the liquid supply tube body 10 is larger than the outer diameter of the first flange 33.
In step S30, the first liquid supplying pipe 11 is sleeved with the first upper flange 331, that is, the end of the first liquid supplying pipe 11 is sleeved on the outer wall of the first upper flange 331, and the second liquid supplying pipe 12 is sleeved with the first lower flange 332, that is, the end of the second liquid supplying pipe 12 is sleeved on the outer wall of the first lower flange 332, so that the first liquid supplying pipe 11 is communicated with the second liquid supplying pipe 12 through the first through hole 31.
After the sleeving, the inner wall of the first liquid supplying pipe 11 and the outer wall of the first upper flange 331 are connected to each other, so that the first liquid supplying pipe 11 and the first upper flange 331 are fixed to form an integral structure. The connection and fixing of the two components into an integral structure is the same as that in the first embodiment, and a hot pressing or ultraviolet gluing mode may be adopted, and the specific process may be the same as that in the first embodiment, and is not described herein again.
The inner wall of the second liquid supply pipe 12 is connected to the outer wall of the first lower flange 332, so that the first liquid supply pipe 11, the second liquid supply pipe 12 and the cover 30 form an integral structure. The manner and process of fixing the second liquid supply tube 12 and the first lower flange 332 as an integral structure are the same as those of the first embodiment, and will not be described herein.
In another embodiment of this embodiment, referring to fig. 8, fig. 8 illustrates a liquid supply pipe and a structure form of the liquid supply pipe connected to a cover, the cover and a gas supply pipe are not limited, and the liquid supply pipe 10 includes a first liquid supply pipe 11 and a second liquid supply pipe 12. Wherein the first liquid supply tube 11 has an inner diameter greater than the outer diameter of the first flange 33 and the second liquid supply tube 12 has an outer diameter less than the inner diameter of the first flange 33.
In step S30, the first liquid supply pipe 11 is sleeved on the outer surface of the first flange 33, and the second liquid supply pipe 12 is nested on the inner surface of the first flange 33, such that the first liquid supply pipe 11 and the second liquid supply pipe 12 are connected, and then the inner wall of the first liquid supply pipe 11 and the outer wall of the first flange 33 are connected, and the outer wall of the second liquid supply pipe 12 and the inner wall of the first flange 33 are connected, such that the first liquid supply pipe 11, the second liquid supply pipe 12 and the cover 30 form an integral structure. Under the connection mode, the combination of the pipe body and the side wall of the flange can offset the stress generated during the joint to a certain extent, avoid the warping of the joint of the pipe body and the cover body 30, better enhance the connection tightness of the pipe body and the cover body, and effectively ensure the integral structural strength.
The connection and fixing of the integrated structure is the same as that in the first embodiment, and a thermal compression bonding or ultraviolet bonding method may be used.
Note that, in addition to the form shown in fig. 8 in which the first flange 33 is exposed to the upper surface of the lid body 30, the first flange 33 may be exposed to the lower surface of the lid body 30. When the first flange 33 is exposed on the lower surface of the cover 30, the connection manner of the first liquid supply pipe 11, the second liquid supply pipe 12 and the first flange 33 is as described above, and will not be described again.
Example four
In the present embodiment, a description will be given of a connection form of the gas supply pipe body 20 and the lid body 30. The same as the first embodiment is that the tube body and the flange and the cover body 30 can be connected into a solid-state integrated structure by thermal compression or ultraviolet gluing, and a sealing member 40 same as the first embodiment is provided for enhancing air tightness.
Referring to fig. 9, fig. 9 illustrates a gas supply tube and a structure form of the gas supply tube connected to the cover, and the cover and the liquid supply tube are not limited. Wherein the outer diameter of the gas supply tube 20 is smaller than the inner diameter of the second flange 34.
In step S30, the gas supply pipe 20 is inserted through the second flange 34, so that the gas supply pipe 20 is inserted through the second through hole 32. Then, the outer wall of the gas supply pipe 20 is connected to the inner wall of the second flange 34 so that the gas supply pipe 20 and the second flange 34 are fixed as an integral structure, thereby forming the gas supply pipe 20 and the cover 30 as an integral structure.
Under this kind of connected mode, the stress that produces when the combination of body and the lateral wall of flange can offset the joint to a certain extent avoids the warpage of body and lid 30 junction, strengthens the two connection compactness better, guarantees holistic structural strength effectively.
Note that fig. 9 shows a form in which the second flange 34 is exposed to the upper surface of the lid body 30, that is, the second flange 34 protrudes from the upper surface of the lid body 30. In other embodiments, the second flange 34 may be disposed on the cover 30 in the following manner: the second flange 34 is exposed to the lower surface of the lid body 30, or the second flange 34 is exposed to both the upper surface and the lower surface of the lid body 30, i.e., the second flange 34 includes a second upper flange 341 exposed to the upper surface of the lid body 30 and a second lower flange 342 exposed to the lower surface of the lid body 30, and the inner diameters of the second upper flange 341 and the second lower flange 342 are larger than the outer diameter of the gas supply pipe body 20.
Referring to fig. 10, fig. 10 shows a gas supply tube and a structure form of the gas supply tube connected to the cover, the cover and the liquid supply tube are not limited, and the inner diameter of the gas supply tube 20 is larger than the outer diameter of the second flange 34. The gas supply pipe 20 includes a first gas supply pipe 21 and a second gas supply pipe 22. The second flange 34 includes a second upper flange 341 exposed to the upper surface of the cover body 30 and a second lower flange 342 exposed to the lower surface of the cover body 30.
In step S30, the first gas supplying tube 21 is sleeved on the second upper flange 341, that is, the end of the first gas supplying tube 21 is sleeved on the outer wall of the second upper flange 341, and the second gas supplying tube 22 is sleeved on the second lower flange 342, that is, the end of the second gas supplying tube 22 is sleeved on the outer wall of the second lower flange 342, so that the second gas supplying tube 22 is communicated with the second gas supplying tube 20 through the second through hole 32.
After the sleeving, the inner wall of the first gas supply pipe 21 and the outer wall of the second upper flange 341 are connected, and the inner wall of the second gas supply pipe 22 and the outer wall of the second lower flange 342 are connected, so that the first gas supply pipe 21, the second gas supply pipe 22 and the cover 30 form an integrated structure. Under the connection mode, the combination of the pipe body and the side wall of the flange can offset the stress generated during the joint to a certain extent, avoid the warping of the joint of the pipe body and the cover body 30, better enhance the connection tightness of the pipe body and the cover body, and effectively ensure the integral structural strength.
Referring to fig. 11, fig. 11 illustrates a gas supply tube and a structure form of the gas supply tube connected to the cover, and the cover and the liquid supply tube are not limited. Wherein the inner diameter of the gas supply pipe body 20 is larger than the outer diameter of the second flange 34. The second flange 34 is exposed to the upper surface of the cover 30, i.e., the second flange 34 protrudes on the upper surface of the cover 30.
In step S30, the gas supply tube 20 is sleeved on the outer wall of the second flange 34 and the inner wall of the gas supply tube 20 and the outer wall of the second flange 34 are connected, so that the gas supply tube 20 and the cover 30 are integrated.
Fig. 11 shows a form in which the second flange 34 is exposed to the upper surface of the lid body 30. In other embodiments, the second flange 34 may be disposed on the cover 30 in the following manner: the second flange 34 is exposed at both the upper surface and the lower surface of the cover body 30, i.e., the second flange 34 includes a second upper flange 341 exposed at the upper surface of the cover body 30 and a second lower flange 342 exposed at the lower surface of the cover body 30.
For the lid 30 having the second upper flange 341 and the second lower flange 342, the gas supply tube 20 is sleeved on the outer wall of the second upper flange 341, the gas supply tube 20 is not disposed on the second lower flange 342, and the inner wall of the gas supply tube 20 is connected to the outer wall of the second upper flange 341, so that the gas supply tube 20 and the second upper flange 341 are fixed as an integral structure, and the gas supply tube 20 and the lid 30 form an integral structure.
The connection modes of the liquid supply pipe 10 and the gas supply pipe 20 having different structures and sizes and the cover 30 having different structures are as described above, but not limited to the above-mentioned exemplary modes, and the connection modes of the liquid supply pipe and the cover 30 and the connection modes of the gas supply pipe 20 and the cover 30 are not affected by each other, and can be freely combined to form various types of gas-water pipe assemblies.
In the method of manufacturing the gas/water pipe assembly of the present embodiment, the cover is integrally formed on the pipe, so that the liquid supply pipe, the gas supply pipe, and the cover form an integral structure. When this air water pipe subassembly is connected with the air water bottle, only need to twist the lid on the bottleneck of air water bottle, just can accomplish being connected of liquid supply body and gas supply body and air water bottle, need not to wear to establish in the air water bottle with liquid supply body and gas supply body respectively again, avoided in the connection process a plurality of interfaces and a plurality of pipeline be connected and be difficult for corresponding, produce the condition of connecting the mistake easily, guaranteed the smooth use of air water pipe subassembly. In addition, the liquid supply tube body, the gas supply tube body and the cover body form an integrated structure, so that the situation that the tube body is separated from the gas-water bottle in the operation process can be avoided, and the operation safety is ensured.
While the present invention has been described with reference to several exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the metes and bounds of the claims, or equivalence of such metes and bounds are therefore intended to be embraced by the appended claims.
Claims (13)
1. The manufacturing method of the gas-water pipe component is characterized by comprising the following steps of:
forming a pipe body: forming a hollow pipe body with two open ends, wherein the pipe body comprises a liquid supply pipe body and a gas supply pipe body;
forming a cover body: providing the cover with first and second through holes and first and second flanges; the first through hole and the second through hole are formed in the cover body, the first flange is arranged around the edge of the first through hole and protrudes on the surface of the cover body, and the second flange is arranged around the edge of the second through hole and protrudes on the surface of the cover body;
the body is connected with the lid: connecting the liquid supply pipe body with the first flange at the first through hole, connecting the gas supply pipe body with the second flange at the second through hole, and fixing the liquid supply pipe body and the cover body into an integrated structure;
wherein the liquid supply pipe body and the cover body are fixed into an integral structure by adopting a hot pressing or ultraviolet gluing mode, and the gas supply pipe body and the cover body are fixed into an integral structure;
The step of thermocompression bonding comprises: injecting a hot melt adhesive into a gap between the liquid supply pipe body and the first flange and a gap between the gas supply pipe body and the second flange; fixing the liquid supply pipe and the cover body into an integral structure and fixing the gas supply pipe and the cover body into an integral structure by setting a pressure and thermocompressing bonding the liquid supply pipe and the first flange, and the gas supply pipe and the second flange at a set temperature for a set time;
the step of ultraviolet gluing comprises: injecting ultraviolet photosensitive glue into a gap between the liquid supply pipe body and the first flange and a gap between the gas supply pipe body and the second flange; and irradiating the ultraviolet photosensitive adhesive by adopting ultraviolet light with a set wavelength for a set time to ensure that the liquid supply pipe body and the cover body are fixed into an integral structure and the gas supply pipe body and the cover body are fixed into an integral structure.
2. The method of claim 1, wherein the liquid supply tube and the cover are integrally fixed to each other by thermal compression, and the gas supply tube and the cover are integrally fixed to each other by preheating the liquid supply tube, the gas supply tube and the cover at a temperature lower than a temperature at which the liquid supply tube, the gas supply tube and the cover are thermally deformed before injecting the hot melt adhesive into the gap between the liquid supply tube and the first flange and the gap between the gas supply tube and the second flange.
3. The method of claim 1, wherein the predetermined pressure is 0N/m when the liquid supply pipe and the cover are integrally fixed by thermal compression, and the gas supply pipe and the cover are integrally fixed2～8×105N/m2The set temperature is 60-160 ℃, and the set time is 5-120 s.
4. The method for manufacturing a gas-water pipe assembly according to claim 1, wherein the liquid supply pipe body and the cover body are integrally fixed by ultraviolet bonding, and the set wavelength is 300nm to 400nm and the set time is 5s to 60s when the gas supply pipe body and the cover body are integrally fixed.
5. The method of any one of claims 1 to 4, wherein the outer diameter of the liquid supply pipe is smaller than the inner diameter of the first flange, and the liquid supply pipe penetrates the first flange and is fixed to the first flange as a single body.
6. The method of any one of claims 1 to 4, wherein the inner diameter of the liquid supply pipe is larger than the outer diameter of the first flange, the liquid supply pipe comprises a first liquid supply pipe and a second liquid supply pipe, the first flange comprises a first upper flange exposed to the upper surface of the cover and a first lower flange exposed to the lower surface of the cover;
Sleeving the first liquid supply pipe body with the first upper flange, and fixing the first liquid supply pipe body and the first upper flange into an integral structure; the second liquid supply pipe body is sleeved with the first lower flange and is fixed with the first lower flange into an integral structure.
7. The method of any one of claims 1 to 4, wherein the liquid supply tube comprises a first liquid supply tube and a second liquid supply tube, the first liquid supply tube having an inner diameter larger than an outer diameter of the first flange, the second liquid supply tube having an outer diameter smaller than the inner diameter of the first flange;
sleeving the first liquid supply pipe body on the outer surface of the first flange, and fixing the first liquid supply pipe body and the first flange into an integral structure; the second liquid supply tube is then nested within the inner surface of the first flange and secured in a unitary structure with the first flange.
8. The method of any one of claims 1 to 4, wherein the gas supply pipe has an outer diameter smaller than an inner diameter of the second flange, and the gas supply pipe penetrates the second flange and is fixed to the second flange as a single body.
9. The method for manufacturing a gas-water pipe assembly according to any one of claims 1 to 4, wherein the inner diameter of the gas supply pipe body is larger than the outer diameter of the second flange, and the gas supply pipe body is fitted to a portion of the second flange exposed to the upper surface of the cover body and fixed to the second flange as an integral structure.
10. The method of manufacturing a gas-water pipe assembly according to any one of claims 1 to 4, wherein an inner diameter of the gas supply pipe body is larger than an outer diameter of the second flange, the gas supply pipe body includes a first gas supply pipe body and a second gas supply pipe body, and the second flange includes a second upper flange exposed to an upper surface of the cover body and a second lower flange exposed to a lower surface of the cover body;
the first gas supply pipe body is sleeved with the second upper flange and is fixed with the second upper flange into an integral structure; the second gas supply pipe body is sleeved with the second lower flange and fixed with the second lower flange into an integral structure.
11. The method for manufacturing the gas-water pipe assembly according to claim 1, wherein the step of forming the cover further comprises providing a sealing member of a ring structure or an L-shaped structure inside the cover.
12. The method for manufacturing the gas-water pipe assembly according to claim 11, wherein the step of forming the cover further comprises providing a sealing member of an L-shaped structure inside the cover, the sealing member of the L-shaped structure comprising an annular sealing body and an annular protrusion provided on an end surface of the sealing body, the inner diameter of the annular protrusion being greater than the inner diameter of the sealing body; and arranging the sealing element with the L-shaped structure on the lower surface of the cover body, fixing the annular bulge and the lower surface of the cover body, and extending the sealing main body outwards out of the cover body.
13. The method of manufacturing a gas-water pipe assembly according to claim 1, wherein the liquid supply pipe comprises a first liquid supply pipe and a second liquid supply pipe, an inner diameter of the first liquid supply pipe being larger than an outer diameter of the second liquid supply pipe; the second liquid supply tube is nested inside the first liquid supply tube and is slidable relative to the first liquid supply tube.
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| CN202110636061.7A CN113427786B (en) | 2021-06-08 | 2021-06-08 | Manufacturing method of gas-water pipe assembly |
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| CN101785656B (en) * | 2003-05-12 | 2012-08-15 | 富士胶片株式会社 | Balloon controller for a balloon type endoscope |
| CN202173625U (en) * | 2011-08-15 | 2012-03-28 | 张湘鲁 | Exhausting and pressure measuring pneumothorax therapeutic instrument |
| CN204501656U (en) * | 2015-03-19 | 2015-07-29 | 崇州君健塑胶有限公司 | A kind of transfusion bag accessory |
| CN208926314U (en) * | 2018-01-23 | 2019-06-04 | 深圳市先赞科技有限公司 | For the air water bottle of endoscope and the attachment device of pump |
| CN212797906U (en) * | 2020-07-27 | 2021-03-26 | 深圳市至臻生物科技有限公司 | Connecting cover |
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