Spray head for paper processing
By setting a sealing component between the nozzle body and the fixed seat, and using the airbag and protruding column to drive the sealing rubber ring, the leakage problem caused by the installation gap of the nozzle is solved, and good sealing and convenient maintenance are achieved.
Patent Information
- Application Number
- CN202422771847.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-14
- Publication Date
- 2025-09-05
- Estimated Expiration
- 2034-11-14
AI Technical Summary
Existing paper processing trimming water needle nozzles are prone to gaps during installation, causing external liquids to seep in, affecting sealing and increasing maintenance difficulty.
A sealing assembly is designed, including a sealing rubber ring, an airbag and a plastic shell. Through the cooperation of external and internal threads, the sealing rubber ring is driven by the airbag and the protruding column to achieve a tight fit of the sealing rubber ring and fill the gap between the fixing seat and the mounting platform.
A good seal is achieved between the nozzle body and the fixing seat, preventing external liquid from seeping in and simplifying the maintenance process.
Smart Images

Figure CN223301864U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of nozzles, in particular to a nozzle for paper processing. Background Art
[0002] Paper processing requires nozzles to perform a variety of operations, including trimming, coating, defoaming, cleaning, and spraying. During trimming, a water jet nozzle is used to cut and shave the edge of the paper using high-pressure water flow, achieving a precise, smooth edge. This method can reduce pulp loss and improve paper production efficiency and quality.
[0003] The trimming water needle nozzles currently used in the paper processing process are usually simply connected during installation (for example, through threaded connection). There may be a certain gap between the nozzle body and the mounting platform, and external liquids or other substances may penetrate into it, causing negative effects. Utility Model Content
[0004] The purpose of the utility model is to provide a nozzle for paper processing, which provides a sealing component so that the sealing rubber ring on the sealing component is perfectly connected between the fixing seat and the mounting platform, thereby playing a good sealing role and preventing external liquid from penetrating.
[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: A nozzle for paper processing, comprising a fixing mechanism, a nozzle body arranged on the fixing mechanism, and a sealing mechanism, the fixing mechanism being used to fix the nozzle body on the sealing mechanism, a water delivery mechanism being also provided on the sealing mechanism, the fixing mechanism comprising a fixing seat and a sinking pipe fixedly connected to the lower end face of the fixing seat, an adapting groove being also provided on the lower end face of the fixing seat, the sealing mechanism comprising a mounting platform and a sealing assembly provided on the mounting platform, an annular embedded groove being formed on the upper end face of the mounting platform, an airbag and a plastic shell fixedly bonded to the airbag being provided in the embedded groove, a plurality of protruding columns distributed along the circumference of the plastic shell being fixedly connected to the upper end face of the plastic shell, the sealing assembly comprising a sealing rubber ring and a center strip provided on the sealing rubber ring, the sealing rubber ring being fixedly connected to the plurality of protruding columns, and the sealing rubber ring being driven jointly by the plurality of protruding columns.
[0006] As a preferred embodiment, the water delivery mechanism includes a water delivery pipe, an internal thread is provided on the inner side of the water delivery pipe, and the water delivery pipe is fixedly installed on the inner side of the mounting platform.
[0007] As a preferred embodiment, an external thread is provided on the outside of the sinking pipe, and the external thread is adapted to the internal thread; so that the water pipe can be screwed onto the sinking pipe, so that the sealing mechanism and the fixing mechanism are integrated into one.
[0008] As a preferred embodiment, one end of the airbag away from the plastic shell is fixed to the inner side of the wrapping strip, and the wrapping strip is fixedly bonded to the embedded groove; the wrapping strip can provide a certain degree of protection for the airbag.
[0009] As a preferred embodiment, the airbag and the plastic shell are both annular in design, and an inert gas is provided in the airbag, and the plastic shell fits closely to the inner wall of the embedded groove; so that the plastic shell can only move in one direction in the embedded groove without shaking, and the air pressure in the airbag is one standard atmospheric pressure.
[0010] As a preferred embodiment, there are two center bars, and the two center bars are respectively connected to the inner wall and outer wall of the sealing rubber ring. A pair of shrinkage strips are provided on each center bar; and the pair of shrinkage strips are respectively fitted with the fixing seat and the mounting platform.
[0011] As a preferred embodiment, a pair of shrinkage strips on the center strip are respectively connected with a ball buckle and a connecting block, and the ball buckle is in contact with the connecting block; when the fixing seat and the mounting platform are gradually fitted together, when the two shrinkage strips on the center strip are subjected to pressure, the ball buckle will enter the connecting block, making the two center strips fit tightly, thereby further improving the sealing performance.
[0012] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention, by arranging a sealing component between the nozzle body and the fixed seat, makes it possible for the air bag of the sealing component to squeeze the sealing rubber ring due to the extrusion during the installation of the fixed seat and the mounting platform. At the same time, the center strip and the shrinkage strip on the inner and outer sides of the sealing rubber ring are also under pressure, and cooperate with each other to further fill the gap between the fixed seat and the mounting platform, so that the sealing rubber ring is perfectly connected between the fixed seat and the mounting platform, playing a good sealing role and preventing external liquid from seeping in; at the same time, due to the detachable design of the fixed seat to the nozzle body, subsequent maintenance work is also convenient. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 This is one of the schematic diagrams of an embodiment of the present utility model;
[0014] Figure 2 This is a second schematic diagram of an embodiment of the present utility model;
[0015] Figure 3 This is a third schematic diagram of an embodiment of the present utility model;
[0016] Figure 4 For the utility model Figure 1 Schematic diagram of the cross section at AA in the middle;
[0017] Figure 5 For the utility model Figure 4 A magnified view of the structure at point B in the middle;
[0018] Figure 6 For the utility model Figure 4 Enlarged view of the structure at point C in the middle.
[0019] The reference numerals and names in the figure are as follows: 1. Fixing mechanism; 11. Fixing seat; 12. Sinking tube; 13. External thread; 14. Adapter groove; 2. Nozzle body; 3. Sealing mechanism; 31. Mounting platform; 32. Embedded groove; 33. Wrapping strip; 34. Air bag; 35. Plastic shell; 36. Protruding column; 37. Sealing assembly; 371. Sealing rubber ring; 372. Center strip; 373. Contraction strip; 374. Ball buckle; 375. Connecting block; 4. Water supply mechanism; 41. Water supply pipe; 42. Internal thread. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0021] In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot 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 embodiments of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.
[0022] In the embodiments of the present invention, unless otherwise expressly specified or limited, the terms "installed," "connected," "connected," "fixed," etc. should be understood in a broad sense. For example, they may refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, indirect connection through an intermediate medium; internal communication between two components, or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in the embodiments of the present invention based on specific circumstances.
[0023] See also Figure 1 The present invention provides an embodiment of a nozzle for paper processing, comprising a fixing mechanism 1, a nozzle body 2 provided on the fixing mechanism 1, and a sealing mechanism 3. The fixing mechanism 1 is used to fix the nozzle body 2 on the sealing mechanism 3. The sealing mechanism 3 is further provided with a water delivery mechanism 4.
[0024] See also Figures 2 to 4 The fixing mechanism 1 includes a fixing seat 11 and a sinking pipe 12 fixedly connected to the lower end surface of the fixing seat 11. An adaptor groove 14 is also provided on the lower end surface of the fixing seat 11. The water delivery mechanism 4 includes a water delivery pipe 41. An internal thread 42 is provided on the inner side of the water delivery pipe 41, and the water delivery pipe 41 is fixedly installed on the inner side of the mounting platform 31. An external thread 13 is provided on the outer side of the sinking pipe 12. The external thread 13 is adapted to the internal thread 42, so that the water delivery pipe 41 can be screwed on the sinking pipe 12, so that the sealing mechanism 3 and the fixing mechanism 1 are combined into one.
[0025] See also Figures 5 and 6 The sealing mechanism 3 includes a mounting platform 31 and a sealing assembly 37 arranged on the mounting platform 31. An annular embedded groove 32 is formed on the upper end surface of the mounting platform 31. An airbag 34 and a plastic shell 35 fixedly bonded to the airbag 34 are provided in the embedded groove 32. The end of the airbag 34 away from the plastic shell 35 is fixed to the inner side of the wrapping strip 33, and the wrapping strip 33 is fixedly bonded to the embedded groove 32. The wrapping strip 33 can provide a certain degree of protection for the airbag 34. The airbag 34 and the plastic shell 35 are both annular in design, and inert gas is provided in the airbag 34. The plastic shell 35 fits with the inner wall of the embedded groove 32, so that the plastic shell 35 can only move in one direction in the embedded groove 32 without shaking. The air pressure in the airbag 34 is a standard atmospheric pressure. A plurality of protruding columns 36 distributed along its circumference are fixedly connected to the upper end surface of the plastic shell 35. The sealing assembly 37 includes a sealing rubber ring 3 71 and a center bar 372 arranged on the sealing rubber ring 371, the sealing rubber ring 371 is fixedly connected to a plurality of protruding columns 36, and the sealing rubber ring 371 is jointly driven by the plurality of protruding columns 36, there are two center bars 372, and the two center bars 372 are respectively connected to the inner wall and outer wall of the sealing rubber ring 371, and a pair of shrinkage bars 373 is provided on each center bar 372, and the pair of shrinkage bars 373 are respectively fitted with the fixing seat 11 and the mounting platform 31, and the pair of shrinkage bars 373 on the center bar 372 are respectively connected with a ball buckle 374 and a connecting block 375, and the ball buckle 374 is in contact with the connecting block 375. When the fixing seat 11 and the mounting platform 31 are gradually fitted together, the two shrinkage bars 373 on the center bar 372 are subjected to pressure, and the ball buckle 374 will enter the connecting block 375, so that the two center bars 372 are tightly fitted, thereby further improving the sealing performance.
[0026] When the present invention is used, the mounting platform 31 is a structure used to fix the nozzle body 2 in the prior art. Its shape can be adjusted according to actual conditions, but the core structure thereon remains unchanged. When installing, the sinking pipe 12 is installed in the water pipe 41 (completed by adapting the external thread 13 and the internal thread 42). In this way, the fixing seat 11 can be gradually fixed on the mounting platform 31, and the fixing seat 11 gradually approaches the mounting platform 31 until the sealing rubber ring 371 on the mounting platform 31 is finally fitted with the fixing seat 11. During the gradual pressure application process, the airbag 34 will pass through the plastic The shell 35 and the protruding column 36 apply pressure to the sealing rubber ring 371, and then continue to adapt the external thread 13 and the internal thread 42 to squeeze the sealing rubber ring 371, so that the center strips 372 on both sides of the sealing rubber ring 371 are compressed, and finally the two contraction strips 373 on each center strip 372 will also approach each other, so that the ball buckle 374 is pressed into the connecting block 375, completing the combination of the fixing seat 11 and the mounting platform 31, so that the nozzle body 2 can be fixed on the sealing mechanism 3, and water is delivered through the water pipe 41 and sprayed out from the nozzle body 2.
[0027] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.
Claims
1. A nozzle for paper processing, comprising a fixing mechanism (1), a nozzle body (2) arranged on the fixing mechanism (1), and a sealing mechanism (3), characterized in that: The fixing mechanism (1) is used to fix the nozzle body (2) on the sealing mechanism (3). The fixing mechanism (1) includes a fixing seat (11) and a sinking pipe (12) fixedly connected to the lower end surface of the fixing seat (11). The lower end surface of the fixing seat (11) is also provided with an adapting groove (14). The sealing mechanism (3) includes a mounting platform (31) and a sealing component (37) provided on the mounting platform (31). The upper end surface of the mounting platform (31) is formed with a An annular embedded groove (32) is provided in the embedded groove (32), wherein an airbag (34) and a plastic shell (35) fixedly bonded to the airbag (34) are provided, wherein the upper end surface of the plastic shell (35) is fixedly connected to a plurality of protruding columns (36) distributed along its circumference, and the sealing assembly (37) includes a sealing rubber ring (371) and a center strip (372) provided on the sealing rubber ring (371), wherein the sealing rubber ring (371) is fixedly connected to the plurality of protruding columns (36).
2. A nozzle for paper processing according to claim 1, characterized in that: A water delivery mechanism (4) is provided on the sealing mechanism (3), and the water delivery mechanism (4) comprises a water delivery pipe (41). An internal thread (42) is provided on the inner side of the water delivery pipe (41), and the water delivery pipe (41) is fixedly mounted on the inner side of the mounting platform (31).
3. A nozzle for paper processing according to claim 2, characterized in that: An external thread (13) is provided on the outside of the sinking pipe (12), and the external thread (13) is adapted to the internal thread (42).
4. The nozzle for paper processing according to claim 1, characterized in that: One end of the airbag (34) away from the plastic shell (35) is fixed to the inner side of the wrapping strip (33), and the wrapping strip (33) is fixedly bonded to the embedded groove (32).
5. The nozzle for paper processing according to claim 1, characterized in that: The airbag (34) and the plastic shell (35) are both annular in design, and an inert gas is provided in the airbag (34). The plastic shell (35) is fitted with the inner wall of the embedded groove (32).
6. The nozzle for paper processing according to claim 1, characterized in that: There are two central strips (372) in total, and the two central strips (372) are respectively connected to the inner wall and the outer wall of the sealing rubber ring (371), and each central strip (372) is provided with a pair of contraction strips (373).
7. The nozzle for paper processing according to claim 6, characterized in that: A pair of contraction strips (373) on the central strip (372) are respectively connected to a ball buckle (374) and a connecting block (375), and the ball buckle (374) is in contact with and connected to the connecting block (375).