Anti-splash and dustproof urea filling device
阅读说明:本技术 一种防溅防尘的尿素灌装装置 (Anti-splash and dustproof urea filling device ) 是由 李曦 斯建明 陈旭英 于 2020-07-02 设计创作,主要内容包括:本发明属于尿素灌装领域,尤其涉及一种防溅防尘的尿素灌装装置,它包括支架机构、连通机构、罐盖机构,其中支架机构带动安装于其末端的连通机构进行全方位平移;本发明通过与灌装罐罐口螺纹配合的罐盖机构与连通机构的密封连接向灌装罐内灌装尿素液,在向灌装罐内灌装尿素液过程中,由于连接圆柱通过发生形变的弹性垫圈与环套E进行密封配合,所以在灌装过程中,尿素液不会发生外溅泄露。(The invention belongs to the field of urea filling, and particularly relates to a splash-proof and dustproof urea filling device which comprises a support mechanism, a communication mechanism and a tank cover mechanism, wherein the support mechanism drives the communication mechanism arranged at the tail end of the support mechanism to carry out all-dimensional translation; according to the invention, the urea liquid is filled into the filling tank through the sealing connection of the tank cover mechanism in threaded fit with the tank opening of the filling tank and the communication mechanism, and in the process of filling the urea liquid into the filling tank, as the connecting cylinder is in sealing fit with the ring sleeve E through the deformed elastic gasket, the urea liquid can not splash and leak in the filling process.)
1. The utility model provides a dustproof urea filling device of splashproof which characterized in that: the tank cover mechanism comprises a support mechanism, a communicating mechanism and a tank cover mechanism, wherein the support mechanism drives the communicating mechanism arranged at the tail end of the support mechanism to carry out all-dimensional translation; the communicating mechanism is matched with a tank cover mechanism which is in threaded fit with the opening of the filling tank so as to fill urea which is dustproof and splash-proof into the filling tank;
the communication mechanism comprises a U seat, a connecting cylinder, an elastic washer, a guide rod A, a connecting rod, a swing limit block, a spring B, a sliding plug, a ring sleeve D, a clamping strip A, a sliding sleeve C, a guide pin, a sliding rod C, a square block and a spring C, wherein the U seat fixedly connected with the tail end of the bracket is installed at the upper end of the connecting cylinder, and a cylindrical sliding plug is axially, hermetically and slidably matched in a circular groove A of the lower end face of the connecting cylinder; the side wall of the circular groove A is provided with a liquid inlet hole; the upper end of the sliding plug is provided with a guide rod A which is in sealing sliding fit with the circular groove B on the connecting cylinder; the guide rod A and the sliding plug are provided with structures for discharging gas in the filling tank outwards in the urea filling process; the lower end of the connecting cylinder is provided with an elastic gasket; a ring sleeve D is rotatably matched on the outer side of the connecting cylinder, and three clamping strips A which are uniformly distributed in the circumferential direction are arranged on the inner side of the ring sleeve D; a swing rod is arranged on the U seat in a swinging mode in a vertical plane around the fixed point, and one end of the swing rod is hinged with the upper end of the guide rod A through a connecting rod hinged with the swing rod; two swing limiting blocks for limiting the reciprocating swing amplitude of the swing rod are arranged in the U seat; two springs B for keeping the swing rod at the extreme swing position are symmetrically arranged between the swing rod and the U seat; a sliding rod C is axially slid in a sliding sleeve C arranged in the center of the lower end of the sliding plug and is circumferentially and rotationally matched, a square block is arranged at the lower end of the sliding rod C, and a spring C for resetting the sliding rod C is arranged in the sliding sleeve C; two guide pins are symmetrically arranged on the sliding rod C, and the two guide pins respectively slide in two spiral grooves on the side wall of the sliding sleeve C;
the tank cover mechanism comprises a sealing cover, a ring sleeve E, a guide groove, a clamping strip B, a round block B, a limiting pin, a square frame, a plug, a volute spiral spring and a spring D, wherein a round groove F which is matched with the mouth of the filling tank in a threaded manner is formed in the sealing cover, and the ring sleeve E is arranged in the round groove F; the upper end of the ring sleeve E is matched with the elastic washer, and three clamping strips B which are uniformly distributed in the circumferential direction and are arranged on the outer side of the upper end of the ring sleeve E are respectively matched with the three clamping strips A; the ring sleeve E is internally provided with a round block B in a circumferential rotation and axial sliding fit; two limiting pins symmetrically arranged on the side wall of the round block B are respectively matched with two guide grooves on the inner wall of the ring sleeve E; the guide groove consists of a limit groove for limiting the axial movement of the limit pin relative to the ring sleeve E and a reset groove for guiding the limit pin to reset relative to the ring sleeve E;
the lower end of the round block B is rotatably matched with a cylindrical plug, and an external conical surface B on the plug is matched with an internal conical surface at the lower end of the ring sleeve E; a volute spiral spring which is used for rotationally resetting the round block B relative to the plug and is always in an energy storage state is arranged between the round block B and the plug; a square frame matched with the square block is arranged in a circular groove E in the center of the upper end of the round block B; the plug axially slides in the sealing cover, and a spring D for resetting the plug is arranged in the sealing cover.
2. The anti-splash and anti-dust urea filling device according to claim 1, characterized in that: the support mechanism comprises a base, an upright post, a rotary damper A, a rotary sleeve A, a sliding sleeve A, a rotary damper B, a gear A, a toothed plate A, a sliding rod A, a ball head, a ball sleeve, an ejector rod, a spring A, a sliding sleeve B, a rotary damper C, a gear B, a toothed plate B, a sliding rod B and a hose, wherein the upright post is vertically arranged on the base, and the rotary sleeve A is rotatably matched on the upright post; a ring sleeve A and a rotary damper A are arranged on the upright column, the ring sleeve A rotates in a ring groove A on the inner wall of the rotary sleeve A, and the rotary damper A is positioned in a ring groove B on the inner wall of the ring sleeve A; the outer side wall of the rotating sleeve A is provided with a sliding sleeve A, and a sliding rod A is axially and horizontally matched in the sliding sleeve A in a sliding manner; two guide blocks symmetrically arranged on the sliding rod A respectively slide in two guide grooves A on the inner wall of the sliding sleeve A; a rotary damper B is installed in an accommodating groove A on the sliding sleeve A, a gear A is installed on the rotary damper B in an embedded mode, and the gear A is meshed with a toothed plate A installed on the sliding rod A; the ball head at the tail end of the sliding rod A is connected with a ball sleeve ball hinge arranged on the outer side of the sliding sleeve B; three sliding grooves are circumferentially distributed on the spherical surface of the ball sleeve, and an ejector rod matched with the ball head slides in each sliding groove in the radial direction; a spring A for urging the ejector rod to press the ball head is nested on the ejector rod; a tension spring plate is arranged at the exposed end of the ejector rod; the spring A is an extension spring; one end of the spring A is connected with the outer spherical surface of the ball sleeve, and the other end of the spring A is connected with the tension spring plate; a sliding rod B is vertically matched in the sliding sleeve B in a sliding manner, and a U-shaped seat is arranged at the lower end of the sliding rod B; a rotary damper C is installed in an accommodating groove B in the sliding sleeve B, a gear B is installed on the rotary damper C in an embedded mode, and the gear B is meshed with a toothed plate B installed on the sliding rod B; the upper end of the sliding rod B is provided with a limiting block for preventing the sliding rod A from separating from the sliding sleeve B; the hose connecting the liquid inlet hole and the urea source is laid on the upright post, the sliding sleeve A and the sliding rod B through a plurality of fixing clips.
3. The anti-splash and anti-dust urea filling device according to claim 1, characterized in that: a circular groove C is formed in the lower end face of the guide rod A, and an exhaust hole A communicated with the circular groove C is formed in the side wall of the top end of the guide rod A; an exhaust pipe is arranged at the exhaust hole A; the upper end of the sliding plug is provided with an outer conical surface A for guiding urea to fall down to the periphery; a circular groove D butted with the circular groove C is formed in the center of the upper end of the sliding plug, and a plurality of exhaust holes B communicated with the outer cylindrical surface of the sliding plug are uniformly distributed in the circumferential direction on the inner wall of the circular groove D; a sealing ring A is arranged in a ring groove D formed in the outer cylindrical surface of the sliding plug, and the sealing ring A is in sealing sliding fit with the inner wall of the circular groove A, the inner wall of the elastic gasket and the inner wall of the ring sleeve E; a plurality of eaves blocks for preventing the falling urea solution from shielding the exhaust holes B are arranged on the outer conical surface A; two ring grooves C are formed in the inner wall of the circular groove B, and a sealing ring C in sliding fit with the guide rod A is mounted in each ring groove C; the inner wall of the ring sleeve D is provided with a ring sleeve C, and the ring sleeve B nested on the connecting cylinder rotates in the ring groove E on the inner wall of the ring sleeve C.
4. The anti-splash and anti-dust urea filling device according to claim 1, characterized in that: two fixed seats are symmetrically arranged on the U seat, and a swing shaft which is rotatably matched with the swing rod is arranged between the two fixed seats; a fixed shaft parallel to the swing shaft is arranged on the swing rod, two ends of the fixed shaft are respectively matched with a rotating sleeve C in a rotating mode, and the two rotating sleeves C are respectively connected with a rotating sleeve B hinged on the fixed seat on the same side through springs B; the spring B is an extension spring; one end of the sliding rod C, which is not provided with the square block, is provided with a round block A with the same central axis, and the round block A rotates in the circumferential direction and slides in the annular groove F on the inner wall of the sliding sleeve C in the axial direction.
5. The anti-splash and anti-dust urea filling device according to claim 1, characterized in that: the top end of the ring sleeve E is provided with a ring groove J communicated with the inner wall of the ring sleeve E, and the ring groove J is matched with the elastic gasket; the bottom of the limiting groove is an inclined surface A, and one side wall of the reset groove is an inclined surface B connected with the inclined surface A; the inclined plane A and the inclined plane B are matched with corresponding limit pins; the lower end face of the round block B is provided with a ring groove G, a ring sleeve F arranged at the upper end of the plug rotates in the ring groove G, and the ring sleeve G nested on the ring sleeve F rotates in a ring groove H on the inner wall of the ring groove G; the volute spiral spring is positioned in the ring groove G; one end of the volute spiral spring is connected with the inner wall of the ring sleeve F, and the other end of the volute spiral spring is connected with the inner wall of the ring groove G; a sealing ring B matched with the inner conical surface is arranged in the ring groove I on the outer conical surface B; a clamping block A arranged on the round block B is matched with a clamping block B arranged on the plug, so that the volute spiral spring is always in a compression energy storage state; the sealing cover is internally provided with a ring sleeve H with the same central axis through a plurality of supporting plates, and a plurality of guide rods B which are uniformly arranged at the lower end of the plug in the circumferential direction respectively slide in a plurality of guide grooves B on the ring sleeve H.
Technical Field
The invention belongs to the field of urea filling, and particularly relates to a splash-proof and dustproof urea filling device.
Background
Most of the prior urea filling adopts a manual mode for filling, and the manual labor intensity is higher. In the manual filling process, multiple persons are needed to cooperate, and the labor cost is high. In the traditional manual filling process, the urea liquid is easy to splash and leak, so that the surrounding environment is polluted. In addition, in the traditional manual filling process, because the sealing performance is poor, external impurities are easy to mix into the urea liquid, and the filled urea liquid is polluted to influence the quality of the filled urea liquid.
In addition, after filling, the filling pipe has residual urea liquid dripping phenomenon under the condition that the valve is closed, thereby causing pollution to the surrounding ground environment.
Therefore, it is necessary to design a urea filling device which can prevent splashing, dust and residual dripping.
The invention designs a splash-proof and dustproof urea filling device to solve the problems.
Disclosure of Invention
In order to solve the defects in the prior art, the invention discloses a splash-proof and dustproof urea filling device which is realized by adopting the following technical scheme.
In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention conventionally use, which are merely for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, or be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
A splash-proof and dustproof urea filling device comprises a support mechanism, a communication mechanism and a tank cover mechanism, wherein the support mechanism drives the communication mechanism arranged at the tail end of the support mechanism to carry out all-dimensional translation; the communicating mechanism is matched with a tank cover mechanism which is in threaded fit with the opening of the filling tank so as to fill the urea which is dustproof and splash-proof into the filling tank.
The communication mechanism comprises a U seat, a connecting cylinder, an elastic washer, a guide rod A, a connecting rod, a swing limit block, a spring B, a sliding plug, a ring sleeve D, a clamping strip A, a sliding sleeve C, a guide pin, a sliding rod C, a square block and a spring C, wherein the U seat fixedly connected with the tail end of the bracket is installed at the upper end of the connecting cylinder, and a cylindrical sliding plug is axially, hermetically and slidably matched in a circular groove A of the lower end face of the connecting cylinder; the side wall of the circular groove A is provided with a liquid inlet hole; the upper end of the sliding plug is provided with a guide rod A which is in sealing sliding fit with the circular groove B on the connecting cylinder; the guide rod A and the sliding plug are provided with structures for discharging gas in the filling tank outwards in the urea filling process; the lower end of the connecting cylinder is provided with an elastic gasket; a ring sleeve D is rotatably matched on the outer side of the connecting cylinder, and three clamping strips A which are uniformly distributed in the circumferential direction are arranged on the inner side of the ring sleeve D; a swing rod is arranged on the U seat in a swinging mode in a vertical plane around the fixed point, and one end of the swing rod is hinged with the upper end of the guide rod A through a connecting rod hinged with the swing rod; two swing limiting blocks for limiting the reciprocating swing amplitude of the swing rod are arranged in the U seat; two springs B for keeping the swing rod at the extreme swing position are symmetrically arranged between the swing rod and the U seat; a sliding rod C is axially slid in a sliding sleeve C arranged in the center of the lower end of the sliding plug and is circumferentially and rotationally matched, a square block is arranged at the lower end of the sliding rod C, and a spring C for resetting the sliding rod C is arranged in the sliding sleeve C; two guide pins are symmetrically arranged on the sliding rod C, and the two guide pins respectively slide in the two spiral grooves on the side wall of the sliding sleeve C.
The tank cover mechanism comprises a sealing cover, a ring sleeve E, a guide groove, a clamping strip B, a round block B, a limiting pin, a square frame, a plug, a volute spiral spring and a spring D, wherein a round groove F which is matched with the mouth of the filling tank in a threaded manner is formed in the sealing cover, and the ring sleeve E is arranged in the round groove F; the upper end of the ring sleeve E is matched with the elastic washer, and three clamping strips B which are uniformly distributed in the circumferential direction and are arranged on the outer side of the upper end of the ring sleeve E are respectively matched with the three clamping strips A; the ring sleeve E is internally provided with a round block B in a circumferential rotation and axial sliding fit; two limiting pins symmetrically arranged on the side wall of the round block B are respectively matched with two guide grooves on the inner wall of the ring sleeve E; the guide groove is composed of a limit groove for limiting the axial movement of the limit pin relative to the ring sleeve E and a reset groove for guiding the limit pin to reset relative to the ring sleeve E.
The lower end of the round block B is rotatably matched with a cylindrical plug, and an external conical surface B on the plug is matched with an internal conical surface at the lower end of the ring sleeve E; a volute spiral spring which is used for rotationally resetting the round block B relative to the plug and is always in an energy storage state is arranged between the round block B and the plug; a square frame matched with the square block is arranged in a circular groove E in the center of the upper end of the round block B; the plug axially slides in the sealing cover, and a spring D for resetting the plug is arranged in the sealing cover.
As a further improvement of the technology, the support mechanism comprises a base, a stand column, a rotary damper a, a rotary sleeve a, a sliding sleeve a, a rotary damper B, a gear a, a toothed plate a, a sliding rod a, a ball head, a ball sleeve, a push rod, a spring a, a sliding sleeve B, a rotary damper C, a gear B, a toothed plate B, a sliding rod B and a hose, wherein the stand column is vertically installed on the base, and the rotary sleeve a is rotatably matched on the stand column; the upright post is provided with a ring sleeve A and a rotary damper A, the ring sleeve A rotates in a ring groove A on the inner wall of the rotary sleeve A, and the rotary damper A is positioned in a ring groove B on the inner wall of the ring sleeve A. The cooperation of the ring sleeve A and the ring groove A ensures that the rotating sleeve A only generates circumferential rotation movement relative to the upright post. The outer side wall of the rotating sleeve A is provided with a sliding sleeve A, and a sliding rod A is axially and horizontally matched in the sliding sleeve A in a sliding manner; two guide blocks symmetrically arranged on the sliding rod A slide in two guide grooves A on the inner wall of the sliding sleeve A respectively. The cooperation of guide block and guide slot A guarantees that slide bar A only produces the axial horizontal slip relative to sliding sleeve A and can not produce the circumferential direction rotation relative to sliding sleeve A. A rotary damper B is installed in an accommodating groove A on the sliding sleeve A, a gear A is installed on the rotary damper B in an embedded mode, and the gear A is meshed with a toothed plate A installed on the sliding rod A; the ball head at the tail end of the sliding rod A is connected with a ball sleeve ball hinge arranged on the outer side of the sliding sleeve B; three sliding grooves are circumferentially distributed on the spherical surface of the ball sleeve, and an ejector rod matched with the ball head slides in each sliding groove in the radial direction; a spring A for urging the ejector rod to press the ball head is nested on the ejector rod; a tension spring plate is arranged at the exposed end of the ejector rod; the spring A is an extension spring; one end of the spring A is connected with the outer spherical surface of the ball sleeve, and the other end of the spring A is connected with the tension spring plate; a sliding rod B is vertically matched in the sliding sleeve B in a sliding manner, and a U-shaped seat is arranged at the lower end of the sliding rod B; a rotary damper C is installed in an accommodating groove B in the sliding sleeve B, a gear B is installed on the rotary damper C in an embedded mode, and the gear B is meshed with a toothed plate B installed on the sliding rod B; the upper end of the sliding rod B is provided with a limiting block for preventing the sliding rod A from separating from the sliding sleeve B; the hose connecting the liquid inlet hole and the urea source is laid on the upright post, the sliding sleeve A and the sliding rod B through a plurality of fixing clips. The cooperation of ejector pin and bulb produces the damping effect of certain degree to slide bar A for the swing of sliding sleeve B, and the ball pivot of bulb and ball cover is connected when slide bar B receives transverse collision and is formed the buffering of certain degree to the impact that receives and not cause the damage, when guaranteeing slide bar B for the relative stability of slide bar A position and not swing at will.
As a further improvement of the technology, the lower end surface of the guide rod A is provided with a circular groove C, and the side wall of the top end of the guide rod A is provided with an exhaust hole A communicated with the circular groove C; an exhaust pipe is arranged at the exhaust hole A; the upper end of the sliding plug is provided with an outer conical surface A for guiding urea to fall down to the periphery; the center of the upper end of the sliding plug is provided with a circular groove D butted with the circular groove C, and a plurality of exhaust holes B communicated with the outer cylindrical surface of the sliding plug are uniformly distributed on the inner wall of the circular groove D in the circumferential direction. In the process of filling urea into the filling tank through the communicating mechanism and the tank cover mechanism, along with the increase of urea liquid flowing into the filling tank, air in the filling tank is discharged through the exhaust holes B, the circular groove D, the circular groove C, the exhaust holes A and the exhaust pipe in sequence. A sealing ring A is arranged in a ring groove D formed in the outer cylindrical surface of the sliding plug, the sealing ring A is in sealing sliding fit with the inner wall of the circular groove A, the inner wall of the elastic gasket and the inner wall of the ring sleeve E, and when the sliding plug is located in the circular groove A on the connecting cylinder, urea liquid entering the circular groove A through the hose cannot leak. After urea filling is finished in the filling tank, along with resetting of the sliding plug, urea liquid remained on the inner wall of the ring sleeve E and the inner wall of the elastic gasket is taken away to the circular groove A by the sealing ring A, and pollution to the surrounding ground environment due to dripping of the residual urea liquid when the communicating mechanism is separated from the tank cover mechanism is avoided. Install a plurality of urea liquid that prevent the whereabouts on the external cone A and form the eaves that shelters from to exhaust hole B and keep off, the eaves keeps off will fall all around and form the urea liquid curtain that shelters from to both sides through external cone A downwards effectively for every exhaust hole B's drill way can not be sheltered from by the urea liquid of whereabouts, thereby guarantees to discharge smoothly through a plurality of exhaust holes B, circular slot D, circular slot C, exhaust hole A and blast pipe in the filling jar filling urea liquid in-process filling jar. Two ring grooves C are formed in the inner wall of the circular groove B, a sealing ring C in sliding fit with the guide rod A is installed in each ring groove C, and urea liquid located in the circular groove A in the movement process of the guide rod A is prevented from leaking through a gap between the guide rod A and the inner wall of the circular groove B. The inner wall of the ring sleeve D is provided with a ring sleeve C, and the ring sleeve B nested on the connecting cylinder rotates in the ring groove E on the inner wall of the ring sleeve C.
As a further improvement of the technology, two fixed seats are symmetrically arranged on the U seat, and a swing shaft which is rotatably matched with the swing rod is arranged between the two fixed seats; a fixed shaft parallel to the swing shaft is arranged on the swing rod, two ends of the fixed shaft are respectively matched with a rotating sleeve C in a rotating mode, and the two rotating sleeves C are respectively connected with a rotating sleeve B hinged on the fixed seat on the same side through springs B; the spring B is an extension spring; one end of the sliding rod C, which is not provided with the square block, is provided with a round block A with the same central axis, and the round block A rotates in the circumferential direction and slides in the annular groove F on the inner wall of the sliding sleeve C in the axial direction.
As a further improvement of the technology, the top end of the ring sleeve E is provided with a ring groove J communicated with the inner wall of the ring sleeve E, and the ring groove J is matched with the elastic gasket; the bottom of the limiting groove is an inclined surface A, and one side wall of the reset groove is an inclined surface B connected with the inclined surface A; the inclined plane A and the inclined plane B are matched with corresponding limit pins. The inclined plane A ensures that the corresponding limiting pin keeps contact with the bottom of the limiting groove under the action of the volute spiral spring which is always in an energy storage state, so that the round block B and the ring sleeve E are prevented from axially sliding relatively under a non-filling state, the plug is further enabled to drive the sealing ring B arranged on the plug under the action of the spring D to keep close fit with the inner conical surface on the ring sleeve E, and external dust is prevented from entering the filling tank through a gap between the plug and the ring sleeve E under the non-filling state. The inclined plane B ensures that the limiting pin on the round block B moves downwards in the limiting groove under the guidance of the inclined plane B in the vertical upward resetting process of the blockage, and meanwhile, the inclined plane B compresses and stores energy to the volute spiral spring through the movement of the guiding limiting pin, so that the limiting pin is instantly reset along the inclined plane A under the resetting action of the volute spiral spring when reaching the limiting groove. The lower end face of the round block B is provided with a ring groove G, a ring sleeve F arranged at the upper end of the plug rotates in the ring groove G, and the ring sleeve G nested on the ring sleeve F rotates in a ring groove H on the inner wall of the ring groove G; the volute spiral spring is positioned in the ring groove G; one end of the volute spiral spring is connected with the inner wall of the ring sleeve F, and the other end of the volute spiral spring is connected with the inner wall of the ring groove G; a sealing ring B matched with the inner conical surface is arranged in the ring groove I on the outer conical surface B; a clamping block A arranged on the round block B is matched with a clamping block B arranged on the plug, so that the volute spiral spring is always in a compression energy storage state; the sealing cover is internally provided with a ring sleeve H with the same central axis through a plurality of supporting plates, and a plurality of guide rods B which are uniformly arranged at the lower end of the plug in the circumferential direction respectively slide in a plurality of guide grooves B on the ring sleeve H. The cooperation of fixture block A and fixture block B guarantees that fixture block A and fixture block B take place the contact after circle piece B breaks away from ring cover E, and the volute spiral spring still is in the energy storage state, restricts the rotation range of circle piece B for the jam to guarantee that two spacer pins on circle piece B are located the scope of reset groove middle slope B all the time after breaking away from ring cover E, so that two spacer pins reset for the smooth of ring cover E.
Compared with the traditional urea filling device, the urea liquid is filled into the filling tank through the sealing connection of the tank cover mechanism in threaded fit with the tank opening of the filling tank and the communication mechanism, and in the process of filling the urea liquid into the filling tank, the urea liquid does not splash and leak in the filling process because the connecting cylinder is in sealing fit with the ring sleeve E through the deformed elastic gasket.
Meanwhile, in the filling process, due to the sealing fit between the communication mechanism and the tank cover mechanism, the urea liquid is prevented from being mixed by external dust or foreign matters, and the urea liquid is prevented from being polluted in the filling process. Before filling, the plug is in sealing fit with the ring sleeve E to prevent external dust or foreign matters from entering the filling tank and keep the filling tank clean.
In addition, in the process that the sliding plug moves out of the filling tank and resets after filling is finished, the sealing ring A in sealing sliding fit with the inner wall of the circular groove A, the inner wall of the elastic gasket and the inner wall of the ring sleeve E scrapes off and recovers urea liquid remained on the inner wall of the circular groove A, the inner wall of the elastic gasket and the inner wall of the ring sleeve E into the circular groove A, and therefore the problem that the urea liquid remained on the inner wall of the circular groove A, the inner wall of the elastic gasket and the inner wall of the ring sleeve E drips onto the surrounding ground to pollute the ground environment when the communicating mechanism is separated from the filling mechanism after filling is finished is avoided.
The invention has simple structure and better use effect.
Drawings
Fig. 1 is a schematic view of the invention in conjunction with a filling tank.
FIG. 2 is a schematic cross-sectional view of the upright post, the rotating sleeve A, the sliding sleeve A and the sliding rod A.
FIG. 3 is a schematic cross-sectional view of the slide bar A, the ball sleeve, the sliding sleeve B and the slide bar B.
Fig. 4 is a schematic section view of the sliding sleeve a, the rotary damper B, the gear a, the toothed plate a, the sliding rod a, the ball sleeve, the sliding sleeve B and the sliding rod B in cooperation.
Fig. 5 is a schematic sectional view of the sliding rod B, the toothed plate B, the gear B, the rotary damper C and the sliding sleeve B.
Fig. 6 is a schematic sectional view of the rotating sleeve A and the sliding sleeve A.
Fig. 7 is a schematic sectional view of the sliding sleeve B and the ball sleeve.
Fig. 8 is a schematic cross-sectional view of the slide bar B, the communication mechanism, the tank cover mechanism and the filling tank.
Fig. 9 is a schematic cross-sectional view of the can lid mechanism in cooperation with a filling can.
Fig. 10 is a schematic sectional view of the communication mechanism.
FIG. 11 is a schematic view of the fixing base, the rotating sleeve B, the spring B, the rotating sleeve C, the fixing shaft and the swing link.
Fig. 12 is a cross-sectional view of the ring sleeve C, the ring sleeve D and the clip strip a.
Fig. 13 is a schematic cross-sectional view of the U-shaped seat, the coupling cylinder and the elastic washer.
Fig. 14 is a schematic cross-sectional view of a guide bar a.
FIG. 15 is a schematic cross-sectional view of a spool and its associated spool.
FIG. 16 is a schematic cross-sectional view of the sliding sleeve C, spring C, round block A, sliding rod C, and square block.
Figure 17 is a schematic cross-sectional view of the sliding sleeve C and its cross-section.
FIG. 18 is a schematic view of the round block A, the slide rod C, the guide pin and the square block.
Figure 19 is a schematic cross-sectional view of the can lid mechanism.
Fig. 20 is a cross-sectional view of the stopper pin engaged with the guide groove.
FIG. 21 is a cross-sectional view of the ring cover F, the latch B, the spiral spring, the round block B and the latch A.
Fig. 22 shows the cover, support plate and collar H in combination and in cross-section.
Figure 23 shows a cuff E and its cross-sectional view.
Fig. 24 is a schematic diagram of a circle block B and a square block in cooperation with two viewing angles.
FIG. 25 is a cross-sectional view of the round block B fitted with the square block.
FIG. 26 shows the fitting of the ring F, plug and guide rod B and their cross-sectional views.
Number designation in the figures: 1. a support mechanism; 2. a base; 3. a column; 4. a ring sleeve A; 5. a rotary damper A; 6. rotating a sleeve A; 7. a ring groove A; 8. a ring groove B; 9. a sliding sleeve A; 10. a guide groove A; 11. accommodating the tank A; 12. a rotary damper B; 13. a gear A; 14. a toothed plate A; 15. a slide bar A; 16. a ball head; 17. a ball sleeve; 18. a chute; 19. a top rod; 20. a spring A; 21. a tension spring plate; 22. a sliding sleeve B; 23. accommodating the tank B; 24. a rotary damper C; 25. a gear B; 26. a toothed plate B; 27. a slide bar B; 28. a limiting block; 29. a hose; 30. fixing the card; 31. a communicating mechanism; 32. a U seat; 33. a connecting cylinder; 34. a circular groove B; 35. a ring groove C; 36. a liquid inlet hole; 37. an elastic washer; 38. a guide rod A; 39. an exhaust hole A; 40. a seal ring C; 41. an exhaust pipe; 42. a connecting rod; 43. a swing rod; 44. a pendulum shaft; 45. a fixed seat; 46. a swing limiting block; 47. a spring B; 48. rotating a sleeve B; 49. c, rotating a sleeve; 50. a fixed shaft; 51. a sliding plug; 52. an outer conical surface A; 53. a ring groove D; 54. a circular groove D; 55. an exhaust hole B; 56. eaves blocking; 57. a sealing ring A; 58. a ring sleeve B; 59. c, sleeving a ring sleeve; 60. a ring groove E; 61. a ring sleeve D; 62. a clamping strip A; 63. a sliding sleeve C; 64. a ring groove F; 65. a helical groove; 66. a round block A; 67. a guide pin; 68. a slide bar C; 69. a square block; 70. a spring C; 71. a circular groove C; 72. a can cover mechanism; 73. sealing the cover; 74. a loop E; 75. a ring groove J; 76. an inner conical surface; 77. a guide groove; 78. a limiting groove; 79. an inclined plane A; 80. a reset groove; 81. a bevel B; 82. a clamping strip B; 83. a round block B; 84. a circular groove E; 85. a ring groove G; 86. a ring groove H; 87. a spacing pin; 88. a square frame; 89. a clamping block A; 90. blocking; 91. an outer conical surface B; 92. a ring groove I; 93. a ring sleeve F; 94. a clamping block B; 95. a volute spiral spring; 96. a ring sleeve G; 97. a seal ring B; 98. a spring D; 99. a guide rod B; 100. a ring sleeve H; 101. a guide groove B; 102. a support plate; 103. a circular groove F; 104. filling the tank; 105. a circular groove A; 106. and a guide block.
Detailed Description
The drawings are schematic illustrations of the implementation of the present invention to facilitate understanding of the principles of structural operation. The specific product structure and the proportional size are determined according to the use environment and the conventional technology.
As shown in fig. 1 and 8, it comprises a support mechanism 1, a communicating
As shown in fig. 10, the communicating mechanism 31 includes a U seat 32, a connecting cylinder 33, an elastic washer 37, a guide rod a38, a connecting rod 42, a swing rod 43, a swing limit block 46, a spring B47, a sliding plug 51, a ring sleeve D61, a clamping strip a62, a sliding sleeve C63, a guide pin 67, a sliding rod C68, a square block 69, and a spring C70, wherein as shown in fig. 8, 10, and 13, the U seat 32 fixed to the end of the bracket is installed at the upper end of the connecting cylinder 33, and a cylindrical sliding plug 51 is axially and hermetically slidably fitted in a circular groove a105 at the lower end surface of the connecting cylinder 33; the side wall of the circular groove A105 is provided with a liquid inlet hole 36; the upper end of the sliding plug 51 is provided with a guide rod A38 which is in sealed sliding fit with a circular groove B34 on the connecting cylinder 33; as shown in fig. 10, 14 and 15, the guide rod a38 and the sliding plug 51 have a structure for discharging the gas in the filling tank 104 to the outside during the urea filling process; as shown in fig. 10 and 13, the lower end of the connecting cylinder 33 is provided with an elastic washer 37; as shown in fig. 9, 10 and 12, a ring sleeve D61 is rotatably fitted on the outer side of the connecting cylinder 33, and three clamping strips a62 are uniformly distributed in the circumferential direction and are mounted on the inner side of the ring sleeve D61; a swing rod 43 swings on the U seat 32 in a vertical plane around a fixed point, and one end of the swing rod 43 is hinged with the upper end of the guide rod A38 through a connecting rod 42 hinged with the swing rod; two swing limit blocks 46 for limiting the reciprocating swing amplitude of the swing rod 43 are arranged in the U seat 32; as shown in fig. 10 and 11, two springs B47 for keeping the swing link 43 at the extreme swing position are symmetrically installed between the swing link 43 and the U seat 32; as shown in fig. 10 and 16, a sliding rod C68 is axially slidably and circumferentially and rotatably fitted in a sliding sleeve C63 installed at the center of the lower end of the sliding plug 51, a square block 69 is installed at the lower end of the sliding rod C68, and a spring C70 for restoring the sliding rod C68 is installed in the sliding sleeve C63; as shown in fig. 16, 17 and 18, two guide pins 67 are symmetrically mounted on the slide bar C68, and the two guide pins 67 slide in two spiral grooves 65 on the side wall of the sliding sleeve C63.
As shown in fig. 19, the can lid mechanism 72 includes a sealing lid 73, a ring sleeve E74, a guide groove 77, a clip strip B82, a round block B83, a limit pin 87, a square frame 88, a plug 90, a spiral spring 95, and a spring D98, wherein as shown in fig. 8, 19, and 22, a round groove F103 having the same central axis is formed on the sealing lid 73 in threaded engagement with the can mouth of the filling can 104, and the ring sleeve E74 is installed in the round groove F103; as shown in fig. 9 and 23, the upper end of the ring sleeve E74 is engaged with the elastic washer 37, and three circumferentially and uniformly distributed clamping strips B82 arranged on the outer side of the upper end of the ring sleeve E74 are respectively engaged with the three clamping strips a 62; as shown in fig. 19, a round block B83 is circumferentially and axially slidably fitted in the ring sleeve E74; as shown in fig. 20, 23 and 24, two limit pins 87 symmetrically arranged on the side wall of the round block B83 are respectively matched with two guide grooves 77 on the inner wall of the ring sleeve E74; the guide groove 77 is composed of a stopper groove 78 for restricting the axial movement of the stopper pin 87 with respect to the ring sleeve E74, and a return groove 80 for guiding the return of the stopper pin 87 with respect to the ring sleeve E74.
As shown in fig. 19, 23 and 26, the lower end of the round block B83 is rotatably fitted with a
As shown in fig. 1, 4 and 5, the above-mentioned support mechanism 1 includes a
As shown in fig. 14, a circular groove C71 is formed on the lower end surface of the guide rod a38, and a vent hole a39 communicated with the circular groove C71 is formed on the side wall of the top end of the guide rod a 38; as shown in fig. 10, an
As shown in fig. 10, 11 and 13, two fixing
As shown in fig. 9 and 23, the top end of the ring sleeve E74 is provided with a ring groove J75 communicated with the inner wall thereof, and the ring groove J75 is matched with the
The rotary damper a5, rotary damper B12 and rotary damper C24 of the present invention are all of the prior art.
The working process of the invention is as follows: in the initial state, the
When the urea needs to be filled by using the urea filling device, the sealing
Then the oscillating
During the swing of the
In the swinging process of the
When the two
During the process of filling the urea liquid into the filling
When the urea liquid in the
In the process of rapidly resetting the sliding
When the two limiting
Then, the ring sleeve D61 is rotated reversely, the ring sleeve D61 drives the three clamping strips a62 to be quickly separated from the clamping strip B82, so that the three clamping strips a62 are respectively located in the gap between two adjacent clamping strips B82, and then the sliding rod B27 is pulled upwards, so that the sliding rod B27 vertically moves upwards relative to the sliding sleeve B22, and the sliding rod B27 drives the communicating
After the connecting
In the process of quick resetting of the sliding
In conclusion, the beneficial effects of the invention are as follows: the urea liquid is filled into the filling
Meanwhile, in the filling process, due to the sealing fit between the
In addition, in the process that the sliding
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