CN112917910A - 3D prints quick detach formula shower nozzle subassembly - Google Patents
3D prints quick detach formula shower nozzle subassembly Download PDFInfo
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- CN112917910A CN112917910A CN202110081329.5A CN202110081329A CN112917910A CN 112917910 A CN112917910 A CN 112917910A CN 202110081329 A CN202110081329 A CN 202110081329A CN 112917910 A CN112917910 A CN 112917910A
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- spray head
- supporting rod
- shower nozzle
- mounting
- mounting seat
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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
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/205—Means for applying layers
- B29C64/209—Heads; Nozzles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
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- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
- Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
Abstract
The invention belongs to the technical field of 3D printing, and particularly relates to a quick-release type spray head assembly for 3D printing. The spray nozzle comprises a mounting seat, a limiting assembly, a spray nozzle assembly body and a sleeve; the spray head assembly body is movably clamped at the lower end of the mounting seat; the limiting assemblies are arranged in an annular array and are arranged at the lower part of the side wall of the mounting seat; the limiting assembly comprises a shifting part and a clamping part; the poking part is hinged in the first mounting hole, and one end of the poking part faces the direction of the central axis of the mounting seat. Through activity joint sleeve pipe on shower nozzle subassembly body, and sheathed tube one end can be inconsistent with spacing subassembly to the spacing state of the spacing subassembly of adjustment, this shower nozzle subassembly need not direct contact shower nozzle subassembly body when dismantling, and the user can demolish the shower nozzle subassembly immediately after the 3D printer finishes using and carry out follow-up clearance, dismouting labour saving and time saving, it is more convenient when carrying out follow-up processing to the shower nozzle subassembly.
Description
Technical Field
The invention belongs to the technical field of 3D printing, and particularly relates to a quick-release type spray head assembly for 3D printing.
Background
3D printing is a technique for building objects by layer-by-layer printing using bondable materials such as powdered metals or plastics based on digital model files.
When the existing 3D printing nozzle is disassembled and assembled, an appointed auxiliary tool is needed to disassemble, such as a screwdriver, a wrench and the like; however, the disassembly and assembly method is time-consuming, and after the printing nozzle works at a high temperature for a period of time, the temperature of the surface of the printing nozzle is very high, and the disassembly is easy to scald human bodies, so that potential safety hazards exist.
Disclosure of Invention
Aiming at the problems, the invention provides a 3D printing quick-release type spray head assembly which comprises a mounting seat, a limiting assembly, a spray head assembly body and a sleeve;
the spray head assembly body is movably clamped at the lower end of the mounting seat;
the limiting assemblies are arranged in an annular array and are arranged at the lower part of the side wall of the mounting seat;
the limiting assembly comprises a shifting part and a clamping part; the shifting part is hinged in the first mounting hole, one end of the shifting part faces the direction of the central axis of the mounting seat, the clamping part is hinged at one end of the shifting part close to the central axis of the mounting seat, the clamping part and the shifting part can be mutually abutted and limited, and one end of the clamping part far away from the shifting part can be mutually clamped and matched with the sprayer assembly body;
the sleeve is movably clamped on the spray head component body along the central axis direction of the spray head component body, and the sleeve can be abutted against the shifting parts of the plurality of groups of limiting components.
Further, the mount pad sets up to annular columnar structure, the first mounting hole that a plurality of groups were the annular array setting is seted up to the lower part of mount pad, each group the axis of first mounting hole coincides with a set of radius of mount pad respectively, each group the both sides wall of first mounting hole symmetry respectively has seted up a set of second mounting hole, and the axis coincidence of two sets of second mounting holes that just are relative.
Further, the spray head assembly body comprises a spray head;
a plurality of groups of first clamping grooves are formed in the upper end of the side wall of the spray head at equal intervals along the direction of the central axis of the spray head, and the plurality of groups of first clamping grooves are mutually connected at the upper end and the lower end.
Furthermore, the cross-section of first draw-in groove sets up to right triangle, the one end level on a right angle limit on the first draw-in groove is towards the direction of shower nozzle axis, and this end on a right angle limit is connected with the one end on first draw-in groove hypotenuse, the other end slope on first draw-in groove hypotenuse is downward, towards the direction of keeping away from the shower nozzle axis.
Further, the spray head component body also comprises a fixed block;
the fixed block is arranged into an annular columnar structure, is sleeved on the spray head and is positioned below the plurality of groups of first clamping grooves; the lateral wall of the fixed block is provided with a plurality of groups of second clamping grooves in an annular array, and the cross sections of all parts of the fixed block are overlapped in the vertical direction.
Further, the poking part comprises a first fixing rod and a first supporting rod;
two ends of the first fixing rod are movably inserted into the group of second mounting holes respectively, the first fixing rod is sleeved on the first fixing rod, and the whole first fixing rod is positioned in the first mounting holes; the first fixing rod is sleeved with a first torsion spring, two ends of the first torsion spring are fixedly connected with the side wall of the first mounting hole and the first fixing rod respectively, and one end, close to the central axis of the mounting seat, of the first support rod is close to the upper end of the first mounting hole.
Furthermore, a second supporting rod is arranged at one end, away from the central axis of the mounting seat, of the first supporting rod, and one end, away from the first supporting rod, of the second supporting rod protrudes out of the first mounting hole; the first supporting rod and the second supporting rod form a group of obtuse angles with included angles inclined towards the upper part;
the one end that second branch was kept away from to first branch has seted up the mounting groove, the upper and lower terminal surface of upper and lower both ends of mounting groove run through first branch respectively.
Further, the clamping part comprises a second fixing rod and a cam;
two ends of the second fixed rod respectively and movably penetrate through one side wall of the mounting groove, and the central axis of the second fixed rod is parallel to the central axis of the first fixed rod; the tail end of the cam is sleeved on the second fixing rod, and the tip end of the cam protrudes out of the first mounting hole and can be mutually clamped with the first clamping groove;
the second torsion spring is sleeved on the second fixing rod, two ends of the second torsion spring are respectively fixedly connected with the side wall of the mounting groove and the second fixing rod, and the second torsion spring can enable the tip end of the cam to rotate towards the direction close to the lower end of the mounting groove.
Further, the bottom surface of mounting groove is provided with first lug, the tail end of cam is provided with the second lug, first lug can with the second lug is contradicted each other spacing.
Further, the sleeve comprises a fixed tube and a fixture block;
the clamping blocks are arranged in an annular array and fixed on the inner wall of the fixed pipe; the fixed pipe is movably sleeved on the fixed block, the upper end of the fixed pipe can be abutted against the second supporting rod, and the clamping blocks of each group are movably clamped in the second clamping grooves respectively.
The invention has the beneficial effects that:
1. the sleeve is movably clamped on the spray head assembly body, and one end of the sleeve can be abutted against the limiting assembly, so that the limiting state of the limiting assembly is adjusted, the spray head assembly does not need to directly contact the spray head assembly body when being disassembled, a user can immediately disassemble the spray head assembly for subsequent cleaning after the 3D printer is used, the disassembly and the assembly are time-saving and labor-saving, and the spray head assembly is more convenient to perform subsequent processing;
2. the central axes of the first mounting holes are respectively arranged to coincide with a group of radiuses of the mounting base, and the central axes of the two groups of second mounting holes are arranged to coincide with each other, so that the limiting assembly arranged in the mounting holes is shorter in moving path and larger in limiting force;
3. the upper ends and the lower ends of a plurality of groups of first clamping grooves are mutually connected, the cross sections of the first clamping grooves are arranged to be right-angled triangles, one end of a right-angle side on each first clamping groove is horizontally towards the direction of a central axis of the sprayer, the end of the right-angle side is connected with one end of a bevel edge of each first clamping groove, the other end of the bevel edge of each first clamping groove is inclined downwards and faces away from the central axis of the sprayer, so that a limiting path is shorter and a limiting effect is better when the sprayer is limited and fixed by the limiting assembly;
4. through articulating first branch in first mounting hole, articulate the cam in the one end that is close to the mount pad axis on first branch, and both carry on spacingly through the first lug that can contradict each other and second lug for this spacing subassembly can carry out the secondary spacing to shower nozzle subassembly body, easy operation, and spacing precision is higher.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic perspective view of a showerhead assembly according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a showerhead assembly according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a mounting base according to an embodiment of the invention;
FIG. 4 shows a schematic structural view of a showerhead assembly body according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a spacing assembly according to an embodiment of the invention;
FIG. 6 shows a schematic structural diagram of a bushing in accordance with an embodiment of the present invention;
FIG. 7 is a schematic diagram of a secondary position-limiting structure of a position-limiting assembly according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram illustrating a non-clamping state of the limiting assembly according to the embodiment of the invention.
In the figure: 1. a threaded pipe connecting seat; 2. a mounting seat; 201. an internal thread; 202. a first mounting hole; 203. a second mounting hole; 3. a limiting component; 4. a showerhead assembly body; 5. a sleeve; 6. a spray head; 601. a first card slot; 7. a fixed block; 701. a second card slot; 8. a first fixing lever; 9. a first support bar; 901. mounting grooves; 10. a second support bar; 11. a first bump; 12. a second fixing bar; 13. a cam; 14. a second bump; 15. a fixed tube; 1501. an anti-slip groove; 16. and (7) clamping blocks.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention provides a 3D printing quick-release type spray head assembly based on a threaded pipe connecting seat 1, and the spray head assembly comprises a mounting seat 2, a limiting assembly 3, a spray head assembly body 4 and a sleeve 5, and is exemplarily shown in fig. 1 and 2.
The upper end of the mounting seat 2 is sleeved at the lower end of the threaded pipe connecting seat 1, and the mounting seat and the threaded pipe connecting seat are in threaded connection; the spray head component body 4 is movably clamped at the lower end of the mounting seat 2, and the upper end of the spray head component body 4 can be abutted and attached to the lower end of the threaded pipe connecting seat 1;
the limiting assemblies 3 are arranged in an annular array and are arranged at the lower part of the side wall of the mounting seat 2; the limiting component 3 is used for limiting and fixing the spray head component body 4 movably clamped in the mounting seat 2;
the sleeve 5 is movably clamped on the spray head component body 4 along the central axis direction of the spray head component body 4, and the sleeve 5 can be abutted against a plurality of groups of limiting components 3; the sleeve 5 is used for adjusting the limiting position and the limiting state of the limiting component 3.
Exemplarily, the threaded pipe connecting seat 1 is fixedly connected and communicated with a printing end of a 3D printer; installing a mounting seat 2 on a threaded pipe connecting seat 1 in a threaded manner, then inserting a spray head assembly body 4 upwards from the lower end of the mounting seat 2, wherein the spray head assembly body 4 continuously and mutually supports against a plurality of groups of limiting assemblies 3 in the inserting process, and when the upper end of the spray head assembly body 4 supports against the lower end of the threaded pipe connecting seat 1, loosening the spray head assembly body 4; under the limit influence of a plurality of groups of limit components 3, the spray head component body 4 can be clamped in the mounting seat 2 and cannot move, and at the moment, the spray head component can be put into normal use; when the shower nozzle subassembly is dismantled to needs, hold sleeve pipe 5 and upwards promote it, the upper end of sleeve pipe 5 can be inconsistent with the one end that the shower nozzle subassembly body 4 was kept away from to the spacing subassembly 3 of a plurality of groups to make the spacing subassembly 3 of a plurality of groups no longer cause spacing fixed effect to shower nozzle subassembly body 4, the user can follow 2 axis directions of mount pad this moment and take out shower nozzle subassembly body 4.
Through set up the spacing subassembly 3 of a plurality of groups on the lateral wall at mount pad 2 for spacing to shower nozzle subassembly body 4, and spacing subassembly 3 is one-way limit structure, and this shower nozzle subassembly is all more convenient when installation and dismantlement, need not supplementary extracting tool, and the operation is more swift.
Through activity joint sleeve pipe 5 on shower nozzle subassembly body 4, and sleeve pipe 5's one end can be inconsistent with spacing subassembly 3 to the spacing state of adjustment spacing subassembly 3, this shower nozzle subassembly need not direct contact shower nozzle subassembly body 4 when dismantling, and the user can demolish the shower nozzle subassembly immediately after 3D printer finishes using and carry out follow-up clearance, dismouting labour saving and time saving, and is more convenient when carrying out follow-up processing to the shower nozzle subassembly.
The mounting seat 2 is arranged into an annular columnar structure, as shown in fig. 3; the inner circle upper end of mount pad 2 is provided with can be with screw pipe connecting seat 1 to the internal thread 201 that matches, a plurality of groups are seted up to the lower part of mount pad 2 and are the first mounting hole 202 that the annular array set up, each group the axis of first mounting hole 202 respectively with a set of radius coincidence of mount pad 2, each group a set of second mounting hole 203 has been seted up to the both sides wall of first mounting hole 202 symmetry respectively, and the axis coincidence of two sets of relative second mounting holes 203.
Through the axis with each group's first mounting hole 202 set up respectively with a set of radius coincidence of mount pad 2, and the axis coincidence of two sets of relative second mounting holes 203 for set up the spacing subassembly 3 in the mounting hole, its activity path is shorter, and spacing dynamics is bigger.
The spray head assembly body 4 comprises a spray head 6 and a fixing block 7, as shown in fig. 4; a plurality of groups of first clamping grooves 601 are formed in the upper end of the side wall of the spray head 6 at equal intervals along the central axis direction of the spray head, and the upper end and the lower end of each group of first clamping grooves 601 are connected with each other;
the cross section of the first clamping groove 601 is a right triangle, one end of a right-angle side on the first clamping groove 601 horizontally faces the direction of the central axis of the spray head 6, the end of the right-angle side is connected with one end of the inclined side of the first clamping groove 601, and the other end of the inclined side of the first clamping groove 601 inclines downwards and faces away from the central axis of the spray head 6;
the fixed block 7 is arranged to be of an annular columnar structure, the fixed block 7 is sleeved on the spray head 6, and the fixed block 7 is located below the plurality of groups of first clamping grooves 601; a plurality of groups of second clamping grooves 701 are formed in the side wall of the fixing block 7 in an annular array mode, and the cross sections of all parts of the fixing block 7 are overlapped in the vertical direction.
For example, in the process of inserting the spray head 6 into the mounting base 2, the limiting end of the limiting component 3 continuously abuts against the oblique edge of each group of first clamping grooves 601, and in the process of moving the spray head 6 upwards, the limiting end of the limiting component crosses over the oblique edge of one group of first clamping grooves 601 and abuts against the oblique edge of the other group of first clamping grooves 601; when the shower nozzle 6 was installed to preset position, the user can stop to promote the shower nozzle rebound, and shower nozzle 6 receives decurrent gravity influence this moment, and spacing end of spacing subassembly 3 then can be inconsistent with the right angle limit of first draw-in groove 601 to the realization is fixed to the spacing of shower nozzle 6.
The lower extreme sets up interconnect through the first draw-in groove 601 of a plurality of groups to set up the cross-section of first draw-in groove 601 into right angled triangle, the one end level on a right angle limit on first draw-in groove 601 is towards the direction of 6 axis of shower nozzle, and this end on a right angle limit is connected with the one end on first draw-in groove 601 hypotenuse, the other end slope on first draw-in groove 601 hypotenuse is downward, the direction of 6 axis of shower nozzle is kept away from to the orientation, make spacing subassembly 3 spacing route shorter when carrying out spacing fixed to shower nozzle 6, spacing effect is better.
The limiting assembly 3 comprises a shifting part and a clamping part; the portion of stirring articulates in first mounting hole 202, and the one end of portion of stirring is towards the direction of 2 axis of mount pad, joint portion articulates the one end that the portion of stirring is close to 2 axis of mount pad, and joint portion can be contradicted each other with the portion of stirring spacing, the one end that the portion of stirring was kept away from in joint portion can cooperate with 4 mutual joints of shower nozzle subassembly.
The toggle part comprises a first fixing rod 8 and a first supporting rod 9, as shown in fig. 5; two ends of the first fixing rod 8 are movably inserted into the group of second mounting holes 203 respectively, the first supporting rod 9 is sleeved on the first fixing rod 8, and the whole first supporting rod 9 is positioned in the first mounting hole 202; a first torsion spring (not shown in the figure) is sleeved on the first fixing rod 8, two ends of the first torsion spring are respectively and fixedly connected with the side wall of the first mounting hole 202 and the first fixing rod 8, and one end of the first torsion spring, which is close to the central axis of the mounting base 2, can be close to the upper end of the first mounting hole 202;
a second supporting rod 10 is arranged at one end of the first supporting rod 9 far away from the central axis of the mounting seat 2, and one end of the second supporting rod 10 far away from the first supporting rod 9 protrudes out of the first mounting hole 202; the first supporting rod 9 and the second supporting rod 10 form a group of obtuse angles with included angles inclined upwards;
an installation groove 901 is formed in one end, far away from the second support rod 10, of the first support rod 9, and the upper end and the lower end of the installation groove 901 penetrate through the upper end face and the lower end face of the first support rod 9 respectively.
The clamping part comprises a second fixing rod 12 and a cam 13; two ends of the second fixing rod 12 respectively and movably penetrate through one side wall of the mounting groove 901, and the central axis of the second fixing rod 12 is parallel to the central axis of the first fixing rod 8; the tail end of the cam 13 is sleeved on the second fixing rod 12, and the tip end of the cam 13 protrudes out of the first mounting hole 202 and can be mutually clamped with the first clamping groove 601; a second torsion spring (not shown) is sleeved on the second fixing rod 12, two ends of the second torsion spring are respectively fixedly connected with the side wall of the mounting groove 901 and the second fixing rod 12, and the second torsion spring can enable the tip end of the cam 13 to rotate towards the direction close to the lower end of the mounting groove 901;
the bottom surface of the mounting groove 901 is provided with a first protruding block 11, the tail end of the cam 13 is provided with a second protruding block 14, and the first protruding block 11 and the second protruding block 14 can be abutted against each other for limiting.
The sleeve 5 comprises a fixed tube 15 and a fixture block 16, as shown in fig. 6; a plurality of groups of the fixture blocks 16 are arranged in an annular array and fixed on the inner wall of the fixed tube 15; the fixed tube 15 is movably sleeved on the fixed block 7, the upper end of the fixed tube 15 can be abutted against the second support rod 10, and each group of the fixture blocks 16 is movably clamped in one group of the second clamping grooves 701 respectively;
preferably, the fixed tube 15 and the fixture block 16 are both made of a non-heat-conducting material, and the outer ring of the fixed tube 15 is provided with a plurality of sets of anti-slip grooves 1501 at equal intervals along the central axis direction of the outer ring.
Through setting up sleeve pipe 5 into heat-not-conducting material to establish sleeve pipe 5 activity cover on fixed block 7, make user's accessible sleeve pipe 5 dismantle the shower nozzle 6 that has just used, made things convenient for subsequent processing, saved the time, improved the availability factor of shower nozzle 6.
Illustratively, when the limiting assembly 3 is in a clamping state with respect to the spray head 6; the first supporting rod 9 is in an inclined state, the second supporting rod 10 is close to the bottom end of the first mounting hole 202, the first protruding block 11 and the second protruding block 14 are abutted with each other for limiting, the top end of the cam 13 is abutted with the upper surfaces of the first clamping grooves 601 for limiting, and under the influence of the force of the torsion spring, one end of the first supporting rod 9 close to the mounting seat 2 is close to the top end of the first mounting hole 202, so that the cam 13 moves upwards, and the first clamping grooves 601 are limited at higher strength;
when the limiting assembly 3 is in a clamping state relative to the spray head 6 but is not clamped to a preset position, as shown in fig. 7; the second supporting rod 10 is pulled upwards or the fixing tube 15 is pushed to move upwards to abut against the second supporting rod 10; at this time, one end of the first supporting rod 9, which is close to the cam 13, is close to the bottom end of the first mounting hole 202, and the cam 13 rotates under the influence of the inclined edges of the plurality of groups of first clamping grooves 601 and continuously passes over the groups of first clamping grooves 601; then, the second support rod 10 or the fixing tube 15 is released to be stirred, under the influence of the first torsion spring, one end of the first support rod 9 close to the cam 13 can be tilted upwards, and under the influence of the second torsion spring, the tip end of the cam 13 can rotate downwards until the first lug 11 and the second lug 14 are mutually abutted and limited; at the moment, the clamping position of the tip of the cam 13 is lower than the original limiting position, so that the spray head 6 moves upwards and props against the threaded pipe connecting seat 1;
when the spray head assembly needs to be removed, the fixed pipe 15 is pushed upward to the maximum distance, as shown in fig. 8; at this time, the first supporting rod 9 and the second supporting rod 10 are integrally positioned in the first mounting hole 202, and are influenced by the second torsion spring, the tip end of the cam 13 rotates towards the lower end direction of the mounting groove 901 and is also positioned in the first mounting hole 202, the limiting component 3 is not contacted with the first clamping groove 601 any more, and the spray head 6 is limited; at this time, the user can move the head unit body 4 downward to separate the head unit body 4 from the mounting seat 2, thereby detaching the head unit body 4.
Through articulating first branch 9 in first mounting hole 202, articulate cam 13 and be close to the one end of mount pad 2 axis on first branch 9, and both carry on spacingly through the first lug 11 and the second lug 14 that can contradict each other for this spacing subassembly 3 can carry out the secondary spacing to shower nozzle subassembly body 4, easy operation, and spacing precision is higher.
Through set up first torsion spring in the articulated department of first branch 9, set up second torsion spring in the articulated department of cam 13, and first torsion spring can make first branch 9 keep away from the one end of cam 13 and be close to first mounting hole 202 bottom, second torsion spring can make the most advanced of cam 13 to the direction rotation of the bottom that is close to the mounting groove to it is more convenient, swift when making spacing subassembly 3 carry out secondary spacing or demolish shower nozzle subassembly body 4 to shower nozzle subassembly body 4, need not to carry out unnecessary auxiliary operation, and the structure precision is higher.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a 3D prints quick detach formula shower nozzle subassembly which characterized in that: comprises a mounting seat (2), a limiting component (3), a spray head component body (4) and a sleeve (5);
the spray head component body (4) is movably clamped at the lower end of the mounting seat (2);
the limiting assemblies (3) are arranged in an annular array and are arranged at the lower part of the side wall of the mounting seat (2);
the limiting assembly (3) comprises a shifting part and a clamping part; the shifting part is hinged in the first mounting hole (202), one end of the shifting part faces the direction of the central axis of the mounting seat (2), the clamping part is hinged at one end, close to the central axis of the mounting seat (2), of the shifting part, the clamping part can be mutually abutted and limited with the shifting part, and one end, far away from the shifting part, of the clamping part can be mutually clamped and matched with the sprayer assembly body (4);
sleeve pipe (5) along shower nozzle subassembly body (4) axis direction activity joint on shower nozzle subassembly body (4), sleeve pipe (5) can contradict with the stir portion of a plurality of groups spacing subassembly (3).
2. The 3D printing quick-release nozzle assembly according to claim 1, wherein: the mounting seat (2) is arranged to be of an annular columnar structure, a plurality of groups of first mounting holes (202) which are arranged in an annular array are arranged at the lower portion of the mounting seat (2), each group is formed by symmetrically arranging a group of second mounting holes (203) on two side walls of the first mounting holes (202) respectively and coinciding with a group of radiuses of the mounting seat (2), and the central axes of the two groups of opposite second mounting holes (203) coincide with each other.
3. The 3D printing quick-release nozzle assembly according to claim 1, wherein: the spray head assembly body (4) comprises a spray head (6);
a plurality of groups of first clamping grooves (601) are formed in the upper end of the side wall of the spray head (6) at equal intervals along the direction of the central axis of the spray head, and the plurality of groups of first clamping grooves (601) are connected with one another at the upper end and the lower end.
4. The 3D printing quick-release nozzle assembly according to claim 3, wherein: the cross-section of first draw-in groove (601) sets up to right triangle, the one end level on right angle limit on first draw-in groove (601) is towards the direction of shower nozzle (6) axis, and this end on right angle limit is connected with the one end on first draw-in groove (601) hypotenuse, the other end slope on first draw-in groove (601) hypotenuse is downwards, and the orientation is kept away from the direction of shower nozzle (6) axis.
5. The 3D printing quick-release nozzle assembly according to claim 3, wherein: the spray head component body (4) further comprises a fixing block (7);
the fixed block (7) is arranged to be of an annular columnar structure, the fixed block (7) is sleeved on the spray head (6), and the fixed block (7) is located below the plurality of groups of first clamping grooves (601); the lateral wall of fixed block (7) is the annular array and has seted up a plurality of groups second draw-in groove (701), and on each group fixed block (7), the cross section of its each position all coincides in vertical direction.
6. The 3D printing quick-release nozzle assembly according to claim 2, wherein: the poking part comprises a first fixing rod (8) and a first supporting rod (9);
two ends of the first fixing rod (8) are movably inserted into a group of second mounting holes (203), the first supporting rod (9) is sleeved on the first fixing rod (8), and the first supporting rod (9) is integrally positioned in the first mounting hole (202); the utility model discloses a fixing device for fixing a bearing, including first dead lever (8), first dead lever (8) are gone up the cover and are equipped with first torsion spring, two ends of first torsion spring respectively with the lateral wall and the first dead lever (8) fixed connection of first mounting hole (202), the one end that can make first dead lever (9) be close to mount pad (2) axis is close to the upper end of first mounting hole (202) of first torsion spring.
7. The 3D printing quick-release nozzle assembly according to claim 6, wherein: a second supporting rod (10) is arranged at one end, far away from the central axis of the mounting seat (2), of the first supporting rod (9), and one end, far away from the first supporting rod (9), of the second supporting rod (10) protrudes out of the first mounting hole (202); the first supporting rod (9) and the second supporting rod (10) form a group of obtuse angles with included angles inclined towards the upper part;
an installation groove (901) is formed in one end, far away from the second supporting rod (10), of the first supporting rod (9), and the upper end and the lower end of the installation groove (901) penetrate through the upper end face and the lower end face of the first supporting rod (9) respectively.
8. The 3D printing quick-release nozzle assembly according to claim 7, wherein: the clamping part comprises a second fixing rod (12) and a cam (13);
two ends of the second fixing rod (12) respectively and movably penetrate through one side wall of the mounting groove (901), and the central axis of the second fixing rod (12) is parallel to the central axis of the first fixing rod (8); the tail end of the cam (13) is sleeved on the second fixing rod (12), and the tip end of the cam (13) protrudes out of the first mounting hole (202) and can be mutually clamped with the first clamping groove (601);
the second fixing rod (12) is sleeved with a second torsion spring, two ends of the second torsion spring are respectively fixedly connected with the side wall of the mounting groove (901) and the second fixing rod (12), and the tip end of the cam (13) can rotate towards the direction close to the lower end of the mounting groove (901) through the second torsion spring.
9. The 3D printing quick-release nozzle assembly according to claim 8, wherein: the bottom surface of the mounting groove (901) is provided with a first convex block (11), the tail end of the cam (13) is provided with a second convex block (14), and the first convex block (11) and the second convex block (14) can be abutted and limited.
10. The 3D printing quick-release nozzle assembly according to claim 1, wherein: the sleeve (5) comprises a fixed tube (15) and a fixture block (16);
a plurality of groups of the clamping blocks (16) are arranged in an annular array and fixed on the inner wall of the fixed pipe (15); the fixed pipe (15) is movably sleeved on the fixed block (7), the upper end of the fixed pipe (15) can be abutted against the second supporting rod (10), and the clamping blocks (16) of each group are movably clamped in the second clamping grooves (701) respectively.
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| CN114851557A (en) * | 2022-07-06 | 2022-08-05 | 徐州齐创制造有限公司 | Improved nozzle of 3D printer |
| CN114977010A (en) * | 2022-07-05 | 2022-08-30 | 广东电网有限责任公司 | Locking wire wheel type anti-slip paying-off tackle |
| US20230166448A1 (en) * | 2021-11-30 | 2023-06-01 | Honeywell Federal Manufacturing & Technologies, Llc | Minimal contact slide for touch indication |
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| CN112917910B (en) | 2023-09-29 |
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