Integrated Y-shaped dispensing needle

Abstract

The utility model discloses an integrated Y-shaped glue dispensing needle. The integrated Y-shaped glue dispensing needle comprises a Y-shaped valve body, a glue dispensing needle head and a glue closing striker, the Y-shaped valve body comprises a hollow valve rod and a glue feeding and guiding head, wherein the hollow valve rod is vertically arranged, the upper end and the lower end of the hollow valve rod are open, and the glue feeding and guiding head is connected to the outer wall of the middle of the hollow valve rod towards the lateral upper part; a glue inlet is formed in the upper end of the glue feeding and guiding head, and a glue guiding opening communicated with the interior of the hollow valve rod is formed in the inner bottom; the upper end of the dispensing needle head is fixedly inserted into the lower part in the hollow valve rod and is communicated with the glue guide opening; the glue closing firing pin can be inserted into the upper part in the hollow valve rod in a vertical moving manner and is used for blocking the glue guide opening through the lower end of the glue closing firing pin when the glue closing firing pin moves downwards for a preset stroke. The Y-shaped valve has the advantages that the Y-shaped valve body and the dispensing needle head are connected into a whole when the Y-shaped valve body and the dispensing needle head are delivered as products, so that compared with a dispensing needle and an adapter which are designed in a split mode in the background technology, the whole formed by the Y-shaped valve is easy to disassemble and assemble, convenient and labor-saving to disassemble and assemble, no gap exists in the outer wall of the Y-shaped valve body, the risk of glue leakage does not exist easily, and the service life of the Y-shaped valve body is prolonged. The thicknesses of all the parts of the Y-shaped valve body are equal or nearly equal, so that the glue filling amounts of all the parts in a mold cavity can be kept consistent as much as possible when a finished product is obtained through mold opening, the difficulty of the finished product obtained through mold opening of the Y-shaped valve body is small, machining is easy, and raw materials can be well saved.

Description

Technical Field

[0001] The utility model relates to the technical field of dispensing equipment, in particular to an integrated Y-shaped dispensing needle. Background Art

[0002] A dispensing needle, as the name implies, is a needle structure part for dispensing. Its external structure is basically similar to that of a needle used to connect a syringe in conventional use, and it is widely used in dispensing equipment. Generally speaking, its specifications are relatively small, between 14G and 35G.

[0003] In the utility model patent "AB glue anti-drip dispensing equipment" with the patent number "202123450281.5" previously applied by the patent applicant of this patent, it is provided with a detachable dispensing needle and a transfer pipe. The transfer pipe is of a Y-shaped structure. Its bottom is used to connect the provided dispensing needle, one end of its top is used for injecting glue liquid, and the other end is used for inserting a closing glue impact needle to control the opening and closing of the internal glue liquid channel during up and down movement. The provided dispensing needle is connected to the transfer pipe by insertion. Although it is widely used, the inventor of this patent found that it still has certain defects and deficiencies during its use process.

[0004] Specifically, on the one hand, when disassembling and assembling it, it needs to be disassembled and assembled one by one, making the operation troublesome and laborious. On the other hand, there will more or less be certain gaps at their connection parts. If the connection is not tight, there will be a risk of glue leakage. Moreover, the middle part of the transfer pipe has a small thickness and the two ends have a large thickness, so that when opening the mold to produce finished products, the glue filling amounts of the parts with large thickness differences in the mold cavity cannot be kept as consistent as possible. The part with less glue filling has a fast curing speed, and the part with more glue filling has a slow overall curing speed, resulting in great difficulty in opening the mold to produce finished products. Therefore, basically, a local separate mold opening method is adopted to separately open multiple structural parts at different thickness positions one by one, and then hot melt splicing, etc. are carried out on them to make its whole. In this way, the processing is cumbersome, the number of molds required for mold opening is large, the mold opening cost is high, and the relatively thick material parts of the relevant transfer pipe cannot save raw materials well.

[0005] In view of this, the inventor of this patent combined work experience, deeply thought about the problems encountered in work, consulted a large number of scientific research materials and documents, and gradually conceived and designed this application through retrieval and novelty search to solve related technical problems. Summary of the Utility Model

[0006] The utility model aims to solve at least one of the technical problems in the related art to some extent. For this reason, the purpose of the utility model is to propose an integrated Y-shaped dispensing needle.

[0007] To achieve one of the above purposes, the integrated Y-shaped dispensing needle according to the embodiment of the utility model includes a Y-shaped valve body, a dispensing needle head and a glue shut-off striker;

[0008] The Y-shaped valve body comprises a hollow valve stem which is vertically arranged and has open ends at both upper and lower ends, and a rubber inlet guide head which is connected to the outer wall of the middle part of the hollow valve stem toward the upper side; the upper end of the rubber inlet guide head forms a rubber inlet port, and the inner bottom forms a rubber guide port which is connected to the inside of the hollow valve stem;

[0009] The upper end of the dispensing needle is inserted and fixed in the lower part of the hollow valve stem, and the upper end of the dispensing needle is connected with the glue guide port;

[0010] The glue shut-off striker is inserted in the upper part of the hollow valve stem so as to be movable up and down, and is used for blocking the glue guide port through its lower end when moving downward by a preset stroke.

[0011] In addition, the integrated Y-shaped dispensing needle according to the above embodiment of the utility model may also have the following additional technical features:

[0012] According to an embodiment of the utility model, the hollow valve stem and the glue inlet guide head are integrally formed.

[0013] According to an embodiment of the utility model, a connecting rib integrally formed therewith is connected between the outer wall of the hollow valve stem and the outer wall of the glue inlet guide head.

[0014] According to an embodiment of the utility model, a reinforcement ring is formed integrally with the middle part of the outer wall of the hollow valve stem at the connection with the lower end of the rubber inlet guide head, and a plurality of reinforcing ribs connected to the outer wall of the hollow valve stem are evenly arranged on the surface of the reinforcement ring.

[0015] According to one embodiment of the utility model, the outer wall of the upper end of the hollow valve stem is protruding outwardly with an external protrusion formed integrally therewith, and the side surface of the external protrusion is provided with a mounting groove suitable for mounting a product identification plate and / or a product size and model plate; a connecting portion is formed on the upper part of the hollow valve stem, and the upper end surface of the external protrusion forms a connecting stop surface.

[0016] According to an embodiment of the utility model, the interior of the hollow valve stem is divided from top to bottom into a striker insertion channel A, a striker insertion channel B, a liquid guide channel and a dispensing needle fixing channel which are connected in sequence;

[0017] The inner diameter of the striker insertion channel A is larger than the inner diameter of the striker insertion channel B; the inner diameter of the striker insertion channel B is adapted to the outer diameter of the sealing striker, so that the sealing striker can be inserted therein with an interference fit, and the inner diameter of the striker insertion channel B is slightly larger than the inner diameter of the liquid guide channel;

[0018] The glue guiding port is communicated with the lower end of the striker insertion channel B; the upper end of the dispensing needle head is fixedly inserted into the dispensing needle fixing channel, and its upper end is communicated with the lower end of the liquid guiding channel.

[0019] According to an embodiment of the present invention, a plugging portion in the shape of a funnel is provided at the lower end of the striker insertion channel B and extends downward to be communicated with the upper end of the liquid guiding channel; the lower end longitudinal section of the glue closing striker is formed into a pointed shape to be adapted to be inserted into the plugging portion to plug the glue guiding port.

[0020] According to an embodiment of the present invention, the inner diameter of the lower end of the striker insertion channel A gradually decreases to smoothly transition to be communicated with the upper end of the striker insertion channel B.

[0021] According to an embodiment of the present invention, the inner diameter of the liquid guiding channel is slightly smaller than the inner diameter of the dispensing needle fixing channel and is equal to or slightly larger than the inner diameter of the dispensing needle head.

[0022] According to an embodiment of the present invention, the lower end of the dispensing needle fixing channel is cut outward to form an inverted V-shaped insertion guiding portion.

[0023] The beneficial effects of the present invention are as follows:

[0024] First, in specific implementation, since the Y-shaped valve body and the dispensing needle head are connected and formed into an integral body when leaving the factory as products, compared with the split-type dispensing needle and the adapter tube in the background art, the whole formed by the present application is easy to disassemble and assemble, the disassembly and assembly are convenient and labor-saving, the operation is worry-free and labor-saving, and since the Y-shaped valve body and the dispensing needle head are connected and formed into an integral body when leaving the factory as products, there are no gaps on the outer wall of the whole formed by the present application, so the risk of glue leakage is not likely to exist.

[0025] Second, by providing the connecting rib, the firmness of the connection between the glue inlet and glue guiding head and the hollow valve rod can be better enhanced, so that the service life of the present application is long. By providing the reinforcing ring and the plurality of reinforcing ribs, the firmness of the connection between the glue inlet and glue guiding head and the hollow valve rod can be further enhanced, so that the service life of the present application is longer.

[0026] Thirdly, by providing the convex block and forming the clamping groove on its outer surface, it is convenient to mount the product identification plate and / or the product size model plate inside the clamping groove, so that the mounted product identification plate and / or the product size model plate have good concealment and are not easily detached or worn. Since the upper part of the hollow valve stem forms a connecting part and the upper end surface of the convex block forms a connecting stop surface, when the connecting part is inserted and connected with an external connecting part, the lower end of the external connecting part can be stopped and limited by the connecting stop surface, so that the connection position between the hollow valve stem of the present application and the external connecting part can be better limited, making the connection accurate and reliable.

[0027] Fourthly, when the longitudinal section of the lower end of the glue closing plunger is formed into a pointed shape and inserted into the funnel-shaped plugging part, it can better achieve the plugging of the glue guiding port, thus better improving the reliability of stopping the downward flow of the glue.

[0028] Fifthly, since the thickness of the hollow valve stem of the present application is equal to or nearly equal to the thickness of the glue inlet and guiding head, the thickness of the connecting rib is equal to or nearly equal to the thickness of the hollow valve stem and the thickness of the glue inlet and guiding head; the thickness of the reinforcing ring and the thickness of the reinforcing rib are equal to or nearly equal to the thickness of the hollow valve stem and the thickness of the glue inlet and guiding head, and the thickness of the clamping groove is also equal to or nearly equal to the thickness of the hollow valve stem and the thickness of the glue inlet and guiding head. Therefore, the thicknesses of all parts of the Y-shaped valve body of the present application are equal to or nearly equal, so that when the finished product is molded by die casting, the glue filling amounts at all parts in the mold cavity can be kept as consistent as possible, making the difficulty of molding the Y-shaped valve body of the present application small. The Y-shaped valve body of the present application can indeed be molded by die casting at one time, with simple processing, few required die casting molds, low die casting cost, and good saving of raw materials.

[0029] The additional aspects and advantages of the present invention will be partly given in the following description, partly become obvious from the following description, or be understood through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on the structures shown in these drawings.

[0031] Figure 1 is the overall structure schematic diagram of the integrated Y-shaped dispensing needle of the present invention Figure 1 ;

[0032] Figure 2 is the decomposition of the integrated Y-shaped dispensing needle of the present utility model Figure 1 ;

[0033] Figure 3 is the overall structural schematic diagram of the integrated Y-shaped dispensing needle of the present utility model Figure 2 ;

[0034] Figure 4 is the decomposition of the integrated Y-shaped dispensing needle of the present utility model Figure 2 ;

[0035] Figure 5 is the longitudinal sectional view of the integrated Y-shaped dispensing needle of the present utility model;

[0036] Figure 6 is Figure 5 the decomposition diagram of;

[0037] Reference numerals:

[0038] Integrated Y-shaped dispensing needle 1000;

[0039] Y-shaped valve body 10;

[0040] Hollow valve stem 101;

[0041] Connecting rib 1011;

[0042] Reinforcing ring 1012;

[0043] Reinforcing rib 1013;

[0044] Outward convex block 1014;

[0045] Clamping groove 10141;

[0046] Connecting stop surface 10142;

[0047] Connecting part 1015;

[0048] Glue inlet and guiding head 102;

[0049] Glue inlet 1021;

[0050] Guiding glue port 1022;

[0051] Punch insertion channel A 101a;

[0052] Punch insertion channel B 101b;

[0053] Blocking part 101b1;

[0054] Liquid guiding channel 101c;

[0055] Dispensing needle fixing channel 101d;

[0056] Inverted V-shaped insertion guide 101d1;

[0057] Dispensing needle 20;

[0058] Glue-off striker 30;

[0059] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0060] The embodiments of the utility model are described in detail below, and examples of the embodiments are shown in the drawings of the specification, wherein the same or similar reference numerals throughout represent the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the drawings are exemplary and are intended to be used to explain the utility model, and cannot be understood as limiting the utility model. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the utility model.

[0061] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "circumferential", "radial" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings of the specification, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0062] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0063] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0064] In the present utility model, unless otherwise clearly specified and defined, the first feature being "above" or "below" the second feature may include the direct contact between the first and second features, or may include the situation where the first and second features are not in direct contact but in contact through other features therebetween. Moreover, the first feature being "above", "over" and "on the top of" the second feature includes that the first feature is directly above and obliquely above the second feature, or merely indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature being "below", "under" and "beneath" the second feature includes that the first feature is directly below and obliquely below the second feature, or merely indicates that the horizontal height of the first feature is lower than that of the second feature.

[0065] The following will describe in detail the integrated Y-shaped dispensing needle 1000 according to an embodiment of the present utility model with reference to the accompanying drawings.

[0066] Refer to Figures 1 to 6 As shown, the integrated Y-shaped dispensing needle 1000 according to an embodiment of the present utility model includes a Y-shaped valve body 10, a dispensing needle head 20 and a glue closing plunger 30;

[0067] Wherein, the Y-shaped valve body 10 includes a hollow valve stem 101 with both upper and lower ends formed as open ends along the vertical direction, and a glue inlet and guiding head 102 connected to the outer wall of the middle part of the hollow valve stem 101 towards the upper side; an inlet 1021 is formed at the upper end of the glue inlet and guiding head 102, and a guiding port 1022 communicating with the inside of the hollow valve stem 101 is formed at the inner bottom;

[0068] And, the upper end of the dispensing needle head 20 is fixedly inserted into the lower part of the hollow valve stem 101, and the upper end of the dispensing needle head 20 communicates with the guiding port 1022;

[0069] And the glue closing plunger 30 is inserted into the upper part of the hollow valve stem 101 in a vertically movable manner, and is used to block the guiding port 1022 by its lower end when moving downward by a preset stroke.

[0070] Based on the above, it can be clear that when the present application is specifically implemented, it is mainly used as the integrated Y-shaped dispensing needle 1000.

[0071] Specifically, when applying the present application, the external glue injection device is connected through the provided glue inlet and guiding head 102, and the glue closing plunger 30 is controlled by an external driving member to move upward by a preset stroke so that its lower end does not block the guiding port 1022. At this time, the glue flowing out of the external glue injection device can flow into it through the upper inlet 1021 of the glue inlet and guiding head 102, and then flow into the lower part of the hollow valve stem 101 through the guiding port 1022 at the inner bottom of the glue inlet and guiding head 102, so that finally it can flow out through the lower end of the dispensing needle head 20 to realize dispensing on a preset part of the surface of the product to be dispensed.

[0072] Conversely, when dispensing is not required during a certain period of time, the external driving member can be used to control the glue shutting needle 30 to move downward by a preset stroke so that the lower end thereof seals the glue guiding port 1022. At this time, the glue liquid will not continue to flow into the lower part of the hollow valve stem 101, so that it cannot flow out through the lower end of the dispensing needle tip 20.

[0073] Obviously, for the above use of the present application, it will have the following technical effects:

[0074] On the one hand, since the Y-shaped valve body 10 and the dispensing needle tip 20 of the present application are connected and formed into an integral body when leaving the factory as products, compared with the split-type dispensing needle and the adapter tube described in the background art, the whole formed by the present application is easy to disassemble and assemble, and the disassembly and assembly are convenient and labor-saving, making the operation worry-free and labor-saving.

[0075] On the other hand, since the Y-shaped valve body 10 and the dispensing needle tip 20 are connected and formed into an integral body when leaving the factory as products, there will be no gaps on the outer wall of the whole formed by the present application, making it not easy to have the risk of glue leakage.

[0076] Furthermore, through the above optimized design, the whole formed by the present application has strong practicability and good use effect.

[0077] Further, in specific implementation, according to an embodiment of the present invention, the hollow valve stem 101 and the glue inlet and guiding head 102 are integrally formed, and the difference between the inner and outer diameters of the hollow valve stem 101 is equal to or slightly equal to the difference between the inner and outer diameters of the glue inlet and guiding head 102.

[0078] In this regard, it can be clearly seen that the thickness of the hollow valve stem 101 of the present application is equal to or nearly equal to the thickness of the glue inlet and guiding head 102, so that in the whole formed by them, the glue filling amount at each part of the mold cavity can be kept as consistent as possible when the finished product is molded by opening the mold. As a result, the difficulty of molding the Y-shaped valve body 10 of the present application into a finished product is small, the Y-shaped valve body 10 of the present application can be molded by opening the mold at one time, the processing is simple, the required mold for opening the mold is less, the mold opening cost is low, and the raw materials can be saved well.

[0079] Furthermore, through the above optimized design, the use effect of the whole formed by the present application can be effectively improved.

[0080] And, on this basis, as shown in Figure 2 and Figure 4 According to an embodiment of the present invention, a connecting rib 1011 integrally formed therewith is connected between the outer wall of the hollow valve stem 101 and the outer wall of the glue inlet and guiding head 102, and the thickness of the connecting rib 1011 is equal to or nearly equal to the thickness of the hollow valve stem 101 and the thickness of the glue inlet and guiding head 102;

[0081] Thus, by providing the connecting rib 1011, the firmness of the connection between the glue inlet and guiding head 102 and the hollow valve stem 101 can be better enhanced, so that the service life of the present application is long.

[0082] And on this basis, continue to compare Figure 2 and Figure 4 As shown, according to an embodiment of the present invention, a reinforcing ring 1012 integrally formed therewith is wrapped around the middle part of the outer wall of the hollow valve stem 101 at the connection with the lower end of the glue inlet and guiding head 102. A plurality of reinforcing ribs 1013 integrally formed therewith and connected to the outer wall of the hollow valve stem 101 are uniformly provided on the surface of the reinforcing ring 1012, and the thickness of the reinforcing ring 1012 and the thickness of the reinforcing ribs 1013 are equal to or nearly equal to the thickness of the hollow valve stem 101 and the thickness of the glue inlet and guiding head 102.

[0083] Thus, by providing the reinforcing ring 1012 and the plurality of reinforcing ribs 1013, the firmness of the connection between the glue inlet and guiding head 102 and the hollow valve stem 101 can be further enhanced, so that the service life of the present application is longer.

[0084] Furthermore, in specific implementation, still compare Figure 2 and Figure 4 As shown, according to an embodiment of the present invention, an outer convex block 1014 integrally formed therewith protrudes outward from the outer wall of the upper middle part of the hollow valve stem 101. A clamping groove 10141 adapted to mount a product identification plate and / or a product size and model plate is formed inward on the side surface of the outer convex block 1014; the thickness of the clamping groove 10141 is equal to or nearly equal to the thickness of the hollow valve stem 101 and the thickness of the glue inlet and guiding head 102; a connecting part 1015 is formed at the upper part of the hollow valve stem 101, and a connecting stop surface 10142 is formed on the upper end surface of the outer convex block 1014.

[0085] Thus, by providing the outer convex block 1014 and forming the clamping groove 10141 on its outer surface, it is convenient to mount a product identification plate and / or a product size and model plate inside the clamping groove 10141, so that the mounted product identification plate and / or product size and model plate have good concealment and are not easily fallen off and worn.

[0086] Meanwhile, since the connection part 1015 is formed at the upper part of the hollow valve rod 101 and the connection stopping surface 10142 is formed on the upper end surface of the convex block 1014, when the connection part 1015 is inserted and connected with an external connecting part, the lower end of the external connecting part can be stopped and limited by the connection stopping surface 10142, so that the connection position between the hollow valve rod 101 of the present application and the external connecting part to be connected can be better limited, making the connection accurate and reliable.

[0087] Furthermore, through the above optimization design, the overall use effect of the present application can be further improved.

[0088] Furthermore, in specific implementation, as shown in Figure 5 and Figure 6 According to an embodiment of the present invention, the inside of the hollow valve rod 101 is divided into a plunger insertion channel A101a, a plunger insertion channel B101b, a liquid guiding channel 101c and a dispensing needle fixing channel 101d which are connected in sequence from top to bottom and communicate with each other;

[0089] Wherein, the inner diameter of the plunger insertion channel A101a is larger than the inner diameter of the plunger insertion channel B101b; the inner diameter of the plunger insertion channel B101b is adapted to the outer diameter of the dispensing plunger 30, so that the dispensing plunger 30 can be inserted into it with an interference fit, and the inner diameter of the plunger insertion channel B101b is slightly larger than the inner diameter of the liquid guiding channel 101c;

[0090] And, the glue guiding port 1022 communicates with the lower end of the plunger insertion channel B101b; the upper end of the dispensing needle head 20 is fixedly inserted into the dispensing needle fixing channel 101d, and its upper end communicates with the lower end of the liquid guiding channel 101c.

[0091] In this regard, it can be clearly seen that, on the one hand, since the inner diameter of the plunger insertion channel A101a is larger than the inner diameter of the plunger insertion channel B101b, it is convenient for the easy insertion of the dispensing plunger 30. And since the inner diameter of the plunger insertion channel B101b is adapted to the outer diameter of the dispensing plunger 30, so that the dispensing plunger 30 can be inserted into it with an interference fit, when the lower end of the dispensing plunger 30 is inserted into the plunger insertion channel B101b, it is not easy to shake circumferentially. On the other hand, since the inner diameter of the plunger insertion channel B101b is slightly larger than the inner diameter of the liquid guiding channel 101c, the upper end of the liquid guiding channel 101c can stop and limit the insertion depth of the lower end of the dispensing plunger 30, so that the insertion depth of the dispensing plunger 30 is controllable. At the same time, when the lower end of the dispensing plunger 30 is inserted to the lower end of the plunger insertion channel B101b, it is also convenient to block the glue guiding port 1022 to cut off the flow of the glue.

[0092] Furthermore, through the above optimization design, the overall structure formed by this application is stable and reliable in use.

[0093] In addition, in this technical solution, continue to compare Figure 5 and Figure 6 As shown, according to an embodiment of the present invention, a funnel-shaped sealing portion 101b1 communicating with the upper end of the liquid guide channel 101c is provided at the lower end of the striker insertion channel B101b extending downward; the lower end longitudinal section of the glue shut-off striker 30 is formed into a pointed shape to be adapted to insert into the sealing portion 101b1 to seal the glue guiding port 1022.

[0094] In this regard, it can be clearly seen that when the lower end longitudinal section of the glue shut-off striker 30 is formed into a pointed shape and inserted into the funnel-shaped sealing portion 101b1, it can better seal the glue guiding port 1022, thereby better improving the reliability of stopping the downward flow of the glue.

[0095] Moreover, in specific implementation, according to an embodiment of the present invention, the inner diameter of the lower end of the striker insertion channel A101a gradually decreases to smoothly transition to communicate with the upper end of the striker insertion channel B101b.

[0096] In this regard, it can be clearly seen that the portion where the lower end of the striker insertion channel A101a is connected to the upper end of the striker insertion channel B101b will present a funnel-shaped structure, which can play a better guiding and smooth role, so that the lower part of the used glue shut-off striker 30 can be more easily inserted into the striker insertion channel B101b through the striker insertion channel A101a, making the reliability of this application better.

[0097] Again, in this technical solution, according to an embodiment of the present invention, the inner diameter of the liquid guide channel 101c is slightly smaller than the inner diameter of the dispensing needle fixing channel 101d and is equal to or slightly larger than the inner diameter of the dispensing needle head 20. And the outer diameter of the dispensing needle is adapted to the inner diameter of the dispensing needle fixing channel 101d and is inserted and fixed into the dispensing needle fixing channel 101d through interference fit such as strong adhesive.

[0098] In this way, when the inner diameter of the liquid guide channel 101c is slightly smaller than the inner diameter of the dispensing needle fixing channel 101d, when the dispensing needle is inserted and fixed into the dispensing needle fixing channel 101d through interference fit, its upper end can be well fixed against the upper part inside the dispensing needle fixing channel 101d, so that it can be well limited and fixed.

[0099] And preferably, in this technical solution, compare Figure 3 , Figure 4 , Figure 5 and Figure 6As shown, according to an embodiment of the present utility model, the lower end of the dispensing needle fixing channel 101d is cut outward to form an inverted V-shaped insertion guiding portion 101d1.

[0100] Thus, it can be clearly seen that when assembling the present application, the insertion guiding is carried out through the provided inverted V-shaped insertion guiding portion 101d1, which can play a good role in smooth insertion, so that the dispensing needle can be easily inserted and fixed into the dispensing needle fixing channel 101d from bottom to top.

[0101] Furthermore, through the above optimization design, the overall use effect of the present application can be further improved.

[0102] It should be added that in specific implementation, according to the integrated Y-shaped dispensing needle 1000 provided by the embodiment of the present utility model, both the glue closing impact needle 30 and the dispensing needle head 20 are made of metal. The lower end of the dispensing needle head 20 extends outside the lower end of the dispensing needle fixing channel 101d, and the specification of the dispensing needle head 20 is 14G - 35G, so that the overall of the present application can be designed into multiple models according to the specification of the dispensing needle head 20.

[0103] It should be further added that in specific implementation, according to the integrated Y-shaped dispensing needle 1000 provided by the embodiment of the present utility model, since the thickness of the hollow valve stem 101 of the present application is equal to or nearly equal to the thickness of the glue inlet and guiding head 102, the thickness of the connecting rib 1011 is equal to or nearly equal to the thickness of the hollow valve stem 101 and the thickness of the glue inlet and guiding head 102; the thickness of the reinforcing ring 1012 and the thickness of the reinforcing rib 1013 are equal to or nearly equal to the thickness of the hollow valve stem 101 and the thickness of the glue inlet and guiding head 102, and the thickness of the clamping groove 10141 is also equal to or nearly equal to the thickness of the hollow valve stem 101 and the thickness of the glue inlet and guiding head 102. Therefore, the thicknesses of all parts of the Y-shaped valve body 10 of the present application are equal to or nearly equal, so that when the finished product is molded by opening the mold, the amount of glue filling in each part of the mold cavity can be kept as consistent as possible. As a result, the difficulty of molding the Y-shaped valve body 10 of the present application by opening the mold is small. The Y-shaped valve body 10 of the present application can indeed achieve one-time mold opening and forming, the processing is really simple, the required mold for mold opening is really few, the mold opening cost is really low, and the raw materials can be really well saved.

[0104] Other embodiments, etc., are not exemplified here.

[0105] In summary, when the integrated Y-shaped dispensing needle 1000 provided in the present application is specifically implemented, since the Y-shaped valve body 10 and the dispensing needle head 20 are connected and integrated when they leave the factory as products, compared with the split-type dispensing needle and the adapter tube in the background art, the whole formed by the present application is easy to disassemble and assemble, and the disassembly and assembly are convenient and labor-saving, making the operation worry-free and labor-saving. Moreover, since the Y-shaped valve body 10 and the dispensing needle head 20 are connected and integrated when they leave the factory as products, there are no gaps on the outer wall of the whole formed by the Y-shaped valve body 10 of the present application, making it not easy to have the risk of glue leakage.

[0106] Moreover, by providing the connecting rib 1011, the firmness of the connection between the glue inlet and guiding head 102 and the hollow valve stem 101 can be better enhanced, so that the service life of the present application is long. By providing the reinforcing ring 1012 and the plurality of reinforcing ribs 1013, the firmness of the connection between the glue inlet and guiding head 102 and the hollow valve stem 101 can be further enhanced, so that the service life of the present application is longer.

[0107] In addition, by providing the outer convex block 1014 on the outside of the hollow valve stem 101 and providing the clamping groove 10141 on its outer surface, it is convenient to mount the product identification plate and / or the product size and model plate inside the clamping groove 10141, so that the mounted product identification plate and / or the product size and model plate have good concealment and are not easy to fall off and be worn. Since the upper part of the hollow valve stem 101 forms a connecting part 1015 and the upper end surface of the outer convex block 1014 forms a connecting stop surface 10142, when the connecting part 1015 is inserted and connected with an external connecting part, the lower end of the external connecting part can be blocked and limited by the connecting stop surface 10142, so that the connection position between the hollow valve stem 101 of the present application and the external connecting part can be better limited, making the connection accurate and reliable.

[0108] Furthermore, when the lower longitudinal section of the glue-closing impact needle 30 is formed into a pointed shape and inserted into the funnel-shaped plugging part 101b1, it can better achieve the plugging of the glue guiding port 1022, so that the reliability of cutting off the downward flow of the glue can be better improved.

[0109] Again, since the thickness of the hollow valve stem 101 described in this application is equal to or nearly equal to the thickness of the glue inlet and guiding head 102, the thickness of the connecting rib 1011 is equal to or nearly equal to the thickness of the hollow valve stem 101 and the thickness of the glue inlet and guiding head 102; the thickness of the reinforcing ring 1012 and the thickness of the reinforcing rib 1013 are equal to or nearly equal to the thickness of the hollow valve stem 101 and the thickness of the glue inlet and guiding head 102, and the thickness of the clamping groove 10141 is also equal to or nearly equal to the thickness of the hollow valve stem 101 and the thickness of the glue inlet and guiding head 102. Therefore, the thicknesses of all parts of the Y-shaped valve body 10 described in this application are equal to or nearly equal, so that when the finished product is demolded, the glue filling amounts in all parts of the mold cavity can be kept as consistent as possible. As a result, the difficulty of demolding the Y-shaped valve body 10 described in this application is small. The Y-shaped valve body 10 described in this application can indeed be molded in one-time demolding, the processing is really simple, the required demolding molds are really few, the demolding cost is really low, and the raw materials can be saved well.

[0110] Furthermore, the integrated Y-shaped dispensing needle 1000 provided in this application is indeed highly practical and has excellent use effects, making it inevitable that this application will have good market promotion value, and this application will also be very popular and will surely be effectively popularized.

[0111] In the description of this specification, the description with reference to terms such as "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0112] The above are only the preferred embodiments of the present invention, and do not limit the patent scope of the present invention accordingly. Any equivalent structural transformation made under the inventive concept of the present invention by using the content of the specification and drawings of the present invention, or directly / indirectly applied in other related technical fields, is included in the patent protection scope of the present invention.

Claims

1. An integrated Y-shaped dispensing needle, characterized in that, It includes a Y-shaped valve body, a dispensing needle tip, and a glue-cutting plunger. The Y-shaped valve body includes a hollow valve stem vertically arranged with both upper and lower ends formed as openings, and a glue inlet and guiding head connected to the outer wall of the middle part of the hollow valve stem obliquely upward; an inlet for glue is formed at the upper end of the glue inlet and guiding head, and a guiding port communicating with the inside of the hollow valve stem is formed at the inner bottom. The upper end of the dispensing needle tip is fixedly inserted into the lower part inside the hollow valve stem, and the upper end of the dispensing needle tip communicates with the guiding port. The glue-cutting plunger is inserted into the upper part inside the hollow valve stem and can move up and down. When it moves downward by a preset stroke, the lower end of the glue-cutting plunger blocks the guiding port.

2. The integrated Y-shaped dispensing needle according to claim 1, wherein, The hollow valve stem and the glue inlet and guiding head are integrally formed.

3. The integrated Y-shaped dispensing needle according to claim 2, wherein A connecting rib integrally formed with them is connected between the outer wall of the hollow valve stem and the outer wall of the glue inlet and guiding head.

4. The integrated Y-shaped dispensing needle according to claim 2, wherein, A reinforcing ring integrally formed with it is coaxially sheathed outside the middle part of the outer wall of the hollow valve stem at the connection with the lower end of the glue inlet and guiding head, and a plurality of reinforcing ribs integrally formed with it and connected to the outer wall of the hollow valve stem are evenly arranged on the surface of the reinforcing ring.

5. The integrated Y-shaped dispensing needle according to claim 1, wherein An outer convex block integrally formed with it protrudes outward from the outer wall of the middle and upper part of the hollow valve stem. A clamping groove suitable for mounting a product identification plate and / or a product size and model plate is formed inward on the side surface of the outer convex block; a connecting part is formed at the upper part of the hollow valve stem, and a connecting stop surface is formed on the upper end surface of the outer convex block.

6. The integrated Y-shaped dispensing needle according to any one of claims 1-5, characterized in that, The inside of the hollow valve stem is divided into a plunger insertion channel A, a plunger insertion channel B, a liquid guiding channel, and a dispensing needle fixing channel that are sequentially connected and communicated from top to bottom. The inner diameter of the plunger insertion channel A is larger than the inner diameter of the plunger insertion channel B; the inner diameter of the plunger insertion channel B is adapted to the outer diameter of the glue-cutting plunger so that the glue-cutting plunger can be inserted into it with an interference fit, and the inner diameter of the plunger insertion channel B is slightly larger than the inner diameter of the liquid guiding channel. The guiding port communicates with the lower end of the plunger insertion channel B; the upper end of the dispensing needle tip is fixedly inserted into the dispensing needle fixing channel, and the upper end of the dispensing needle tip communicates with the lower end of the liquid guiding channel.

7. The integrated Y-shaped dispensing needle according to claim 6, wherein, A funnel-shaped blocking part communicating with the upper end of the liquid guiding channel is downwardly extended at the lower end of the plunger insertion channel B; the longitudinal section of the lower end of the glue-cutting plunger is formed as a sharp shape to be adapted to insert into the blocking part to block the guiding port.

8. The integrated Y-shaped dispensing needle according to claim 6, wherein The inner diameter of the lower end of the plunger insertion channel A gradually decreases to smoothly transition to be connected with the upper end of the plunger insertion channel B.

9. The integrated Y-shaped dispensing needle according to claim 6, characterized in that, The inner diameter of the liquid guiding channel is slightly smaller than the inner diameter of the dispensing needle fixing channel and is equal to or slightly larger than the inner diameter of the dispensing needle tip.

10. The integrated Y-shaped dispensing needle according to claim 1, wherein, The lower end of the dispensing needle fixing channel is cut outward to form an inverted V-shaped insertion guiding part.

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