CN210441414U - Lifting structure and air purifier - Google Patents

Abstract

The utility model provides a lifting structure and air purifier, lifting structure includes: a support member (10); a lifting member (20) which is arranged on the supporting member (10) in a lifting manner, wherein the lifting member (20) has an opening state for opening the air outlet and a closing state for closing the air outlet; and a connecting mechanism, wherein the lifting component (20) is switched between an opening state and a closing state through the connecting mechanism under the action of external force. The technical scheme of the utility model realize the lift of lifting unit through external force, need not supply power to elevation structure, the effectual power component loses power when having solved air purifier outage and leads to the problem of the unable answer-back normal position of lift head subassembly.

Description

Lifting structure and air purifier

Technical Field

The utility model relates to an air purification technical field, concretely relates to elevation structure and air purifier.

Background

At present, an air outlet of a tower-type air purifier is generally positioned at the top of the whole tower-type air purifier, and purified air is blown out from a grid of the air outlet and then diffused into indoor air, so that the air is circulated indoors. And the air outlet is always in an open state, which can cause indoor pollutants to float into the machine from the air outlet when the machine does not operate, and when the machine is started again, the pollutants can be directly blown out from the air outlet and mixed into indoor air to cause secondary pollution.

In order to solve the above problems, a prior art provides a purifier lifting head structure and an air purifier, the purifier lifting head structure includes a lifting head assembly for sealing or opening an air outlet and a power assembly for driving the lifting head assembly to move up and down, the power assembly includes a guide fixing plate fastened to a purifier body, a lifting member inserted into the guide fixing plate by a sliding card and a power member disposed below the guide fixing plate for driving the lifting member to move up and down, a top end of the lifting member is clamped above the guide fixing plate and fastened to the lifting head assembly, a bottom end of the lifting member extends below the guide fixing plate and is in transmission connection with the power member, a rack is disposed at a bottom end of the lifting member, the power member includes a motor having an output shaft and a gear mounted on the output shaft, and the rack is in transmission connection with the gear. Once power component can lose power when the outage and lead to the lift head subassembly unable normal position that recovers, the air outlet is in the open mode always this moment, and indoor pollutant flies into the machine from the air outlet inside, and the pollutant can directly blow out from the air outlet and sneak into indoor air from the circular telegram back and cause secondary pollution.

SUMMERY OF THE UTILITY MODEL

A primary object of the utility model is to provide a lifting structure and air purifier to power component loses power and leads to the unable problem of answer the normal position of upgrading the head subassembly when solving prior art air purifier outage.

In order to achieve the above object, the utility model provides a lifting structure, include: a support member; a lifting member which is arranged on the supporting member in a lifting manner and has an opening state for opening the air outlet and a closing state for closing the air outlet; and the lifting component is switched between an opening state and a closing state through the connecting mechanism under the action of external force.

Further, the connection mechanism includes: a lifting elastic piece arranged between the supporting component and the lifting component; and a locking assembly which is provided with a first locking position for locking the lifting component in an opening state and a second locking position for locking the lifting component in a closing state, and is switched between the first locking position and the second locking position under the action of external force and the lifting elastic piece.

Further, the locking assembly includes: the sliding chute is arranged on the outer wall of the lifting component, and a first locking structure and a second locking structure are arranged in the sliding chute; the connecting end of the matching piece is connected to the supporting part, the free end of the matching piece extends into the sliding groove, when the free end is matched with the first locking structure, the locking assembly is located at the first locking position, and when the free end is matched with the second locking structure, the locking assembly is located at the second locking position.

Further, the spout is including connecting gradually first groove section, second groove section, third groove section and fourth groove section, and first groove section, second groove section, third groove section and fourth groove section enclose into heart-shaped, and third groove section and second groove section and fourth groove section and first groove section symmetry set up, and the junction of second groove section and third groove section is equipped with second locking structure, and the junction of fourth groove section and first groove section is equipped with first locking structure.

Further, the junction of the tank bottom surface of the fourth tank section and the tank bottom surface of the first tank section forms a first step, the first step forms a first locking structure, and/or the junction of the tank bottom surface of the second tank section and the tank bottom surface of the third tank section forms a second step, the second step forms a second locking structure, and/or the tank depths of the first tank section, the second tank section, the third tank section and the fourth tank section become shallow gradually along the counterclockwise direction.

Further, the outer wall of the lifting component has a first vertical wall, the sliding groove is arranged on the first vertical wall, the supporting component has a second vertical wall matched with the first vertical wall, the matching piece is arranged on the second vertical wall, and/or the matching piece is connected on the outer wall of the supporting component, the supporting component has an avoiding opening for avoiding the movement of the free end of the matching piece, and/or the matching piece comprises an L-shaped section, and the short section of the L-shaped section forms the free end.

Further, when the fitting piece includes the L-shaped section, the fitting piece still includes the spiral section of being connected with the long section of L-shaped section, and the spiral section forms the link.

Furthermore, the support component is provided with a connecting structure, and the spiral section is sleeved on the connecting structure.

Further, the connecting structure comprises two oppositely arranged connecting rods, and a limiting bulge is arranged on the outer wall of one end, far away from the supporting part, of each connecting rod.

Furthermore, the connecting structure further comprises a fixing column, the first end of the fixing column is fixed on the supporting component, and one ends, facing the supporting component, of the two connecting rods are fixed on the second end of the fixing column.

Furthermore, a guide structure for guiding the lifting of the lifting component is arranged between the lifting component and the supporting component.

Further, the guide structure comprises a guide post arranged on the outer wall of the lifting component and a guide groove arranged on the inner wall of the supporting component, and the guide groove is matched with the guide post.

Furthermore, a switch is arranged on the supporting component, the switch is provided with a pressing part, a driving structure matched with the pressing part of the switch and an avoiding structure avoiding the pressing part are arranged on the lifting component, when the lifting component is in an open state, the driving structure is matched with the pressing part, and when the lifting component is in a closed state, the avoiding structure is matched with the pressing part.

Further, the driving structure is a driving inclined plane, the avoiding structure is an avoiding groove extending in the vertical direction, and the driving inclined plane is formed on the groove wall of the avoiding groove.

Further, the air outlet is formed on the top of the support member, and the lifting member is liftably provided in the support member.

Further, the supporting component comprises an outer barrel, a middle barrel connected in the outer barrel and an inner barrel connected to the lower end of the middle barrel, the outer diameter of the middle barrel is gradually reduced from top to bottom, an air outlet duct is formed between the upper portion of the lifting component and the outer barrel as well as between the upper portion of the lifting component and the middle barrel, and the lower portion of the lifting component is matched with the inner barrel.

Further, the supporting component still includes the ring body of connecting the lower extreme of well section of thick bamboo and the upper end of inner tube, is equipped with the air-out through-hole on the ring body, and/or, the supporting component still includes the support ring of connecting the lower extreme at the inner tube, and/or, the lift component includes the umbrella face, connects the last section of thick bamboo on the umbrella face and connects the lower section of thick bamboo at the lower extreme of last section of thick bamboo, and the external diameter of going up a section of thick bamboo reduces gradually from the top down, goes up a section of thick bamboo and urc.

Further, the lifting elastic member abuts between the bottom of the support member and the bottom of the lifting member.

Furthermore, the bottom of the lifting component is provided with a lower limiting boss protruding downwards, the bottom of the supporting component is provided with an upper limiting boss protruding upwards, the upper end of the lifting elastic piece is sleeved on the lower limiting boss, and the lower end of the lifting elastic piece is sleeved on the upper limiting boss.

The utility model also provides an air purifier, include: the lifting structure is provided.

The utility model discloses technical scheme has following advantage: lifting unit switches between open mode and closed condition through coupling mechanism under the effect of external force, realizes lifting unit's lift through external force, need not supply power to elevation structure, and the effectual power component loses the problem that power leads to the unable normal position of restoring of lifter subassembly when having solved air purifier outage.

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 embodiments or the technical solutions in 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 for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 shows a schematic front view of a lifting structure provided by the present invention;

figure 2 shows an enlarged schematic view at a of the lifting structure of figure 1;

FIG. 3 shows an exploded schematic view of the lifting structure of FIG. 1;

FIG. 4 shows an enlarged schematic view at B of the lifting structure of FIG. 3;

FIG. 5 shows a cut-away schematic view of the lift structure of FIG. 1;

FIG. 6 shows an enlarged schematic view at C of the lifting structure of FIG. 5;

fig. 7 shows a schematic cross-sectional view of the lifting structure of fig. 1.

Description of reference numerals:

10. a support member; 11. avoiding the opening; 13. an outer cylinder; 14. a middle cylinder; 15. an inner barrel; 151. a second vertical wall; 152. an arcuate wall; 16. a ring body; 161. an air outlet through hole; 17. a support ring; 18. an upper limiting boss; 19. a first straight cylinder; 20. a lifting member; 21. a guide post; 22. a drive ramp; 23. avoiding the groove; 24. an umbrella cover; 25. feeding the cylinder; 26. a lower barrel; 261. a first vertical wall; 27. a lower limiting boss; 28. a second straight cylinder; 30. a lifting elastic member; 41. a chute; 411. a first groove section; 412. a second groove section; 413. a third groove section; 414. a fourth groove section; 415. a first step; 416. a second step; 42. a mating member; 421. an L-shaped section; 422. a helical section; 50. a connecting structure; 51. a connecting rod; 511. a limiting bulge; 52. fixing a column; 60. a switch; 61. a pressing part.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 and 3, the lifting structure of the present embodiment includes: a support member 10, a lifting member 20, and a connecting mechanism, wherein the lifting member 20 is provided on the support member 10 so as to be capable of lifting, and the lifting member 20 has an open state for opening the air outlet and a closed state for closing the air outlet; the lifting member 20 is switched between the open state and the closed state by the connecting mechanism by an external force.

Use the elevation structure of this embodiment, elevation part 20 switches between the open mode and closed condition through coupling mechanism under the effect of external force, realizes elevation part's lift through external force, need not supply power to elevation structure, and the effectual problem that power component lost power and leads to the unable normal position of restoring of lifting head subassembly when having solved air purifier outage.

In this embodiment, the connection mechanism includes: a lifting elastic member 30 and a locking assembly, the lifting elastic member 30 being disposed between the support member 10 and the lifting member 20; the locking means has a first locking position for locking the lifting member 20 in the open state and a second locking position for locking the lifting member 20 in the closed state, and is switched between the first locking position and the second locking position by an external force and the lifting elastic member 30. The lifting elastic member 30 provides power for the lifting of the lifting member. Assuming that the initial state of the lifting member 20 is a closed state, when the lifting member 20 is pressed for the first time, the lifting member 20 compresses the lifting elastic member 30, when the pressing is completed, the lifting member 20 is released, the lifting member 20 is ejected from the supporting member 10, and then the lifting member 20 is locked in an open state under the action of the locking assembly; then, the lifting member 20 is pressed for the second time, the lifting member 20 compresses the lifting elastic member 30, and when the lifting member 20 is released at the bottom of the pressing, the lifting member 20 is also ejected upwards from the supporting member 10, and then the lifting member 20 is locked in the closed state by the locking assembly. Wherein, the height that the elevating component 20 pops up when pressing for the first time is higher than the height that the elevating component 20 pops up when pressing for the second time.

In order to solve the problem that the structure of the power assembly in the prior art is complicated and the installation is difficult, in the present embodiment, as shown in fig. 1 to 3, the locking assembly includes: the lifting device comprises a sliding groove 41 and a matching piece 42, wherein the sliding groove 41 is arranged on the outer wall of the lifting component 20, and a first locking structure and a second locking structure are arranged in the sliding groove 41; the connecting end of the mating element 42 is connected to the support member 10 and the free end of the mating element 42 extends into the sliding slot 41, wherein the locking assembly is in the first locking position when the free end is mated with the first locking structure and the locking assembly is in the second locking position when the free end is mated with the second locking structure. The free end of the fitting piece 42 can slide in the slide groove 41 when the lifting member 20 is pressed. The connecting mechanism is simple in structure, convenient to install and capable of improving the installation efficiency. The locking assembly is provided in three. Of course, the number of the locking components can be selected according to specific situations, and is not limited to this.

In the present embodiment, the sliding slot 41 includes a first slot segment 411, a second slot segment 412, a third slot segment 413 and a fourth slot segment 414 sequentially connected to the first slot segment 411, the second slot segment 412, the third slot segment 413 and the fourth slot segment 414The four-flute sections 414 enclose a heart shape, i.e.

The third groove section 413, the second groove section 412, the fourth groove section 414 and the first groove section 411 are symmetrically arranged, a second locking structure is arranged at the joint of the second groove section 412 and the third groove section 413, and a first locking structure is arranged at the joint of the fourth groove section 414 and the first groove section 411. The second locking structure engages the free end of the engagement member 42 when the elevator assembly 20 is in the closed position and the first locking structure engages the free end of the engagement member 42 when the elevator assembly is in the open position. When the lifting component 20 is switched from the closed state to the open state, the free end of the fitting element 42 moves from the connection of the second groove section 412 and the third groove section 413 to the connection of the third groove section 413 and the fourth groove section 414 along the third groove section 413 when the lifting component 20 is pressed, and when the lifting component 20 is released, the free end of the fitting element 42 moves from the connection of the third groove section 413 and the fourth groove section 414 to the connection of the fourth groove section 414 and the first groove section 411 along the fourth groove section 414 under the action of the lifting elastic element 30, and the first locking structure is fitted with the free end of the fitting element 42; when the lifting component 20 is switched from the open state to the closed state, the free end of the fitting element 42 moves from the connection of the fourth slot segment 414 and the first slot segment 411 to the connection of the first slot segment 411 and the second slot segment 412 along the first slot segment 411 when the lifting component 20 is pressed, and when the lifting component 20 is released, the free end of the fitting element 42 moves from the connection of the first slot segment 411 and the second slot segment 412 to the connection of the second slot segment 412 and the third slot segment 413 along the second slot segment 412 under the action of the lifting elastic element 30, and the second locking structure is fitted with the free end of the fitting element 42.

In this embodiment, a first step 415 is formed at a connection position of the groove bottom surface of the fourth groove section 414 and the groove bottom surface of the first groove section 411, and the first step 415 forms a first locking structure, so that the structure is simple and the processing and manufacturing are convenient. The second step 416 is formed at the joint of the groove bottom surface of the second groove section 412 and the groove bottom surface of the third groove section 413, and the second step 416 forms a second locking structure, so that the structure is simple, and the processing and the manufacturing are convenient. The connection between the bottom surface of the first channel section 411 and the second channel section 412 and the connection between the bottom surface of the third channel section 413 and the bottom surface of the fourth channel section 414 also form a step, which plays a role in limiting and ensures that the free end of the mating member of the loose lifting part moves along the fourth channel section 414 or the second channel section 412.

In this embodiment, the groove depths of the first groove section 411, the second groove section 412, the third groove section 413, and the fourth groove section 414 become gradually shallower in the counterclockwise direction, so that steps are conveniently formed. When the lifting member 20 is switched between the open state and the closed state, the free end of the mating member 42 moves in the sliding slot in the counterclockwise direction. Of course, the groove depths of the first, second, third and fourth groove sections 411, 412, 413, 414 become gradually shallower in the clockwise direction, and the free end of the engaging element 42 moves in the sliding groove in the clockwise direction when the lifting member 20 is switched between the open state and the closed state.

In the present embodiment, the outer wall of the elevating member 20 has the first vertical wall 261, the sliding groove 41 is provided on the first vertical wall 261, the supporting member 10 has the second vertical wall 151 engaged with the first vertical wall 261, and the engaging piece 42 is provided on the second vertical wall 151, ensuring that the free end of the engaging piece is always in contact with the groove bottom of the sliding groove, simplifying the structure of the engaging piece.

In the present embodiment, the fitting member 42 is attached to the outer wall of the support member 10, and the support member 10 has the escape opening 11 that escapes the free end of the fitting member 42, so that the fitting member can be easily mounted, and the structure can be simplified. The area of the escape opening 11 is larger than the area enclosed by the outer contour of the chute. Specifically, the fitting member 42 includes an L-shaped section 421, and a short section of the L-shaped section 421 forms a free end, so that the structure is simple and the processing is convenient. The fitting piece 42 further comprises a spiral section 422 connected with the long section of the L-shaped section 421, the spiral section 422 forms a connecting end, i.e. the fitting piece is a spring, which is convenient to use and low in cost. Of course, the spiral section 422 may be replaced by a circular arc section.

In the present embodiment, as shown in fig. 3 and 4, the support member 10 has a connection structure 50 thereon, and the spiral section 422 is sleeved on the connection structure 50. Since the groove depth of each groove section of the chute varies constantly, the spiral section 422 can move back and forth on the connecting structure 50 in a direction perpendicular to the lifting direction of the lifting member when the short section slides in the chute. Specifically, the connecting structure 50 includes two oppositely disposed connecting rods 51, and each connecting rod 51 has a limiting protrusion 511 on an outer wall of an end thereof away from the support member 10. The limiting protrusion 511 plays a role in limiting the spiral section, prevents the spiral section from sliding out, and is more firm and reliable in fixation. The connecting structure 50 is located below the bypass opening.

In this embodiment, the connection structure 50 further includes a fixing pillar 52, a first end of the fixing pillar 52 is fixed on the support component 10, one end of the two connecting rods 51 facing the support component 10 is fixed on a second end of the fixing pillar 52, the fixing pillar 52 is perpendicular to the second vertical wall, the connecting rods form a suspension rod, and the suspension rod deforms under the squeezing action of the spiral section when the spiral section is installed, so that the installation is convenient. Of course, the fixing posts 52 may not be provided.

In this embodiment, a guide structure for guiding the lifting of the lifting member 20 is provided between the lifting member 20 and the support member 10, so that the lifting member 20 moves more smoothly, and the stability of the lifting member during lifting or lowering is ensured. Specifically, the guide structure includes a guide post 21 provided on an outer wall of the elevation member 20 and a guide groove provided on an inner wall of the support member 10, the guide groove being engaged with the guide post 21. Three guide structures are arranged. Of course, the number of the guide structures may be selected according to specific situations, and is not limited thereto.

In the present embodiment, as shown in fig. 5 and 6, the support member 10 is provided with a switch 60, the switch 60 has a pressing portion 61, the lifting member 20 has a driving structure that engages with the pressing portion 61 of the switch 60 and a retreating structure that retreats from the pressing portion 61, the driving structure engages with the pressing portion 61 when the lifting member 20 is in the open state, and the retreating structure engages with the pressing portion 61 when the lifting member 20 is in the closed state. The switch 60 controls the opening or closing of the whole machine, the lifting of the lifting part is linked with the switch, when the lifting part opens the air outlet, the whole machine is opened, when the lifting part closes the air outlet, the whole machine is closed, and the opening and closing of the whole machine and the lifting of the lifting part can be realized only by pressing the lifting. Specifically, the driving structure is a driving inclined surface 22, the avoiding structure is an avoiding groove 23 extending in the vertical direction, the driving inclined surface 22 is formed on a groove wall of the avoiding groove 23, and the pressing part 61 is arranged toward the lifting component at this time. When the lifting component rises to a specific position, the inclined surface 22 is driven to extrude the pressing part 61 of the switch, the switch is conducted, and the whole machine is started; when the lifting component descends to a specific position, the driving inclined surface 22 is separated from the pressing part 61 of the switch, the switch is switched off, and the whole machine is switched off.

In the present embodiment, the air outlet is formed on the top of the supporting member 10, the lifting member 20 is liftably disposed in the supporting member 10, an edge of an upper portion of the lifting member 20 is engaged with an inner edge of the upper portion of the supporting member, and the opening and closing of the air outlet is achieved by the lifting of the lifting member. Of course, the air outlet can be arranged at other positions of the supporting component or on the lifting component.

In the present embodiment, as shown in fig. 1, 5 and 7, the supporting member 10 includes an outer cylinder 13, a middle cylinder 14 connected in the outer cylinder 13, and an inner cylinder 15 connected to a lower end of the middle cylinder 14, an outer diameter of the middle cylinder 14 gradually decreases from top to bottom, an air outlet duct is formed between an upper portion of the lifting member 20 and the outer cylinder 13 and the middle cylinder 14, a lower portion of the lifting member 20 is matched with the inner cylinder 15, and the middle cylinder 14 plays a role of guiding air flow, so as to facilitate outflow of air flow. In this embodiment, the supporting member 10 further includes a ring 16 connected to the lower end of the middle cylinder 14 and the upper end of the inner cylinder 15, and the ring 16 is provided with an air outlet through hole 161. The air flows into the air outlet duct through the air outlet through hole 161 and then flows out through the air outlet. The middle cylinder 14 is formed by rotating an arc line which is arched and bent towards the lifting component by 360 degrees around a vertical axis, and the flow guiding effect is better. Of course, the middle tube 14 may also be a cone.

In this embodiment, the support member 10 further includes a support ring 17 coupled to a lower end of the inner cylinder 15, and the support ring 17 supports the lifting spring 30.

In this embodiment, the lifting member is umbrella-shaped. Specifically. The lifting component 20 comprises an umbrella cover 24, an upper tube 25 connected to the umbrella cover 24 and a lower tube 26 connected to the lower end of the upper tube 25, the outer diameter of the upper tube 25 is gradually reduced from top to bottom, the upper tube 25 is matched with the outer tube 13 and the middle tube 14, and the lower tube 26 is matched with the inner tube 15. The upper cylinder 25 plays a role in guiding flow and facilitates outflow of air flow. The upper cylinder 25 is formed by rotating an arc line which is arched and bent towards the umbrella cover 24 by 360 degrees around a vertical axis, and the flow guiding effect is better. Of course, the upper cylinder 25 may be a conical cylinder.

In this embodiment, the supporting member 10 further includes a connection ring and a first straight tube 19 connected between the upper end of the outer tube and the upper end of the middle tube, and the elevating member 20 further includes a second straight tube 28 connected between the umbrella cover 24 and the upper tube 25. The outer wall of the second straight cylinder 28 is matched with the inner wall of the first straight cylinder 19, and the height of the second straight cylinder 28 is smaller than that of the first straight cylinder 19, so that the lifting component can be conveniently pressed in a closed state.

In this embodiment, the lifting elastic member 30 abuts between the bottom of the support member 10 and the bottom of the lifting member 20, so that the assembly is facilitated and the assembly efficiency is improved. Specifically, the lifting elastic member 30 is a spring, which is convenient to use and low in cost. Of course, the lifting elastic member may be an elastic sleeve.

In this embodiment, the bottom of the lifting member 20 has a lower limiting boss 27 protruding downward, the bottom of the supporting member 10 has an upper limiting boss 18 protruding upward, the upper end of the lifting elastic member 30 is sleeved on the lower limiting boss 27, the lower end of the lifting elastic member 30 is sleeved on the upper limiting boss 18, and the upper and lower ends of the lifting elastic member 30 are fixed by two limiting bosses.

In the present embodiment, the outer cylinder 13, the inner cylinder 15, and the lower cylinder 26 are all cylinders. The three guide posts 21 are uniformly arranged on the outer wall of the lower barrel 26 and the outer wall of the upper barrel 25 along the circumferential direction of the lower barrel, and the three guide grooves are uniformly distributed along the circumferential direction of the inner barrel 15. The outer wall of the lower barrel 26 has a first vertical wall 261, and the inner barrel 15 has a second vertical wall 151. The inner cylinder 15 has an outwardly projecting arcuate wall 152, the arcuate wall 152 defining a guide groove. The lower limit projection 27 is provided on the bottom of the guide post 21 and the upper limit projection 18 is provided on the support ring 17. The escape groove 23 is provided on the outer wall of the lower tube 26.

In this embodiment, components such as a display panel are mounted inside the elevating member.

As an alternative embodiment, the connection mechanism is an internal thread provided on the supporting member and an external thread provided on the lifting member, the external thread is matched with the internal thread, and the user rotates the lifting member to lift the lifting member. Of course, the connecting mechanism may be a rack and pinion mechanism or other mechanism capable of being lifted and lowered manually, and is not limited thereto.

As an alternative embodiment, the locking assembly includes a guide rail, a rotary claw sleeve and a guide groove, the guide rail is disposed on the supporting member, the guide groove is disposed on the lifting member, the upper end of the rotary claw sleeve is engaged with the lower end of the lifting member, the lower end of the rotary claw sleeve is abutted against the upper end of the elastic member, and the lower end of the elastic member is abutted against the bottom of the supporting member, that is, the locking assembly adopts a locking structure on a ball-point pen. Of course, the locking assembly may also take the form of other types of locking structures on a ballpoint pen.

As an alternative, the guide posts may also be arranged on the support part, in which case the guide slots are arranged on the lifting part.

As an alternative embodiment, the ring body is not provided, and the air outlet hole is provided on the middle cylinder.

As an alternative embodiment, no second vertical wall is provided.

The utility model also provides an air purifier, air purifier includes: the lifting structure is provided. When the lifting component rises, the air outlet is opened, and the air purified by the purifier is blown out from the air outlet; when the lifting component descends, the air outlet is closed, so that pollutants in the environment can be effectively prevented from naturally settling and entering the purifier, and further, secondary pollution caused by blowing out of the pollutants entering the purifier along with wind when the purifier is started again is avoided.

In this embodiment, the air cleaner includes a cabinet, and the support member is a part of the cabinet.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:

1. the lifting component and the supporting component are connected through an elastic locking mechanism, the lifting component pops out of the shell when pressed for the first time, the air outlet is opened, the lifting component is pressed for the second time to restore the original position, the air outlet is closed, the air outlet is sealed, the lifting component can be lifted only by pressing the lifting component by a user, an additional power component is not needed, the structure is simple, the installation is convenient, the cost is low, and the problems that the power component in the prior art is complex in assembly, high in cost and cannot be automatically reset when power fails are solved.

2. The lifting of the lifting part is linked with the switch of the whole machine, namely the whole machine is opened when the lifting part is popped up, and the whole machine is closed when the lifting part is reset, so that the on-off key of the whole machine is realized.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims (20)

1. A lifting structure, comprising:

a support member (10);

a lifting member (20) which is provided on the support member (10) so as to be capable of lifting, the lifting member (20) having an open state in which the air outlet is opened and a closed state in which the air outlet is closed;

and the lifting component (20) is switched between the opening state and the closing state through the connecting mechanism under the action of external force.

2. The hoisting structure of claim 1, wherein the connection mechanism comprises:

a lifting elastic member (30) provided between the support member (10) and the lifting member (20);

and a locking unit having a first locking position for locking the lifting member (20) in the open state and a second locking position for locking the lifting member (20) in the closed state, wherein the locking unit is switched between the first locking position and the second locking position by the external force and the lifting elastic member (30).

3. The lift structure of claim 2, wherein the locking assembly comprises:

the sliding groove (41) is arranged on the outer wall of the lifting component (20), and a first locking structure and a second locking structure are arranged in the sliding groove (41);

a fitting element (42), the connecting end of the fitting element (42) being connected to the support part (10), the free end of the fitting element (42) extending into the sliding groove (41),

wherein when the free end is engaged with the first locking structure, the locking assembly is in the first locked position, and when the free end is engaged with the second locking structure, the locking assembly is in the second locked position.

4. The lifting structure according to claim 3, characterized in that the chute (41) comprises a first chute section (411), a second chute section (412), a third chute section (413) and a fourth chute section (414) which are sequentially connected, the first chute section (411), the second chute section (412), the third chute section (413) and the fourth chute section (414) enclose a heart shape, the third chute section (413), the second chute section (412), the fourth chute section (414) and the first chute section (411) are symmetrically arranged, the second locking structure is arranged at the connection of the second chute section (412) and the third chute section (413), and the first locking structure is arranged at the connection of the fourth chute section (414) and the first chute section (411).

5. The lifting structure according to claim 4, characterized in that the connection of the groove bottom surface of the fourth groove section (414) and the groove bottom surface of the first groove section (411) forms a first step (415), which first step (415) forms the first locking structure, and/or that the connection of the groove bottom surface of the second groove section (412) and the groove bottom surface of the third groove section (413) forms a second step (416), which second step (416) forms the second locking structure, and/or that the groove depths of the first groove section (411), the second groove section (412), the third groove section (413) and the fourth groove section (414) become progressively shallower in the counter-clockwise direction.

6. The lifting structure according to claim 3, characterized in that the outer wall of the lifting part (20) has a first vertical wall on which the sliding groove (41) is provided, the support part (10) has a second vertical wall cooperating with the first vertical wall, on which the cooperating piece (42) is provided, and/or in that the cooperating piece (42) is connected to the outer wall of the support part (10), the support part (10) has an escape opening (11) for escaping the movement of the free end of the cooperating piece (42), and/or in that the cooperating piece (42) comprises an L-shaped section (421), the short section of the L-shaped section (421) forming the free end.

7. The lifting structure according to claim 6, characterized in that when the fitting element (42) comprises the L-shaped section (421), the fitting element (42) further comprises a spiral section (422) connected with the long section of the L-shaped section (421), the spiral section (422) forming the connecting end.

8. The hoisting structure according to claim 7, characterized in that the support member (10) is provided with a connection structure (50), the helical section (422) being arranged to fit over the connection structure (50).

9. The lifting structure according to claim 8, characterized in that the connecting structure (50) comprises two oppositely arranged connecting rods (51), each connecting rod (51) having a limiting projection (511) on the outer wall of the end remote from the support part (10).

10. The lifting structure according to claim 9, characterized in that the connecting structure (50) further comprises fixing posts (52), a first end of the fixing posts (52) being fixed to the support part (10), and ends of the two connecting rods (51) facing the support part (10) being fixed to second ends of the fixing posts (52).

11. The lifting structure according to any one of claims 1 to 10, characterized in that a guide structure for guiding the lifting of the lifting member (20) is provided between the lifting member (20) and the support member (10).

12. Lifting structure according to claim 11, characterized in that the guide structure comprises guide posts (21) arranged on the outer wall of the lifting member (20) and guide grooves arranged on the inner wall of the support member (10), which guide grooves cooperate with the guide posts (21).

13. The lifting structure according to any one of claims 1 to 10, wherein a switch (60) is provided on the support member (10), the switch (60) has a pressing portion (61), the lifting member (20) has a driving structure that engages with the pressing portion (61) of the switch (60) and an escape structure that escapes from the pressing portion (61), the driving structure engages with the pressing portion (61) when the lifting member (20) is in the open state, and the escape structure engages with the pressing portion (61) when the lifting member (20) is in the closed state.

14. The lifting structure according to claim 13, characterized in that the driving structure is a driving ramp (22) and the avoiding structure is an avoiding groove (23) extending in a vertical direction, and the driving ramp (22) is formed on a groove wall of the avoiding groove (23).

15. The lifting structure according to any one of claims 1 to 10, characterized in that the air outlet is formed on top of the support member (10), the lifting member (20) being liftably provided within the support member (10).

16. The lifting structure according to claim 15, wherein the support member (10) comprises an outer cylinder (13), a middle cylinder (14) connected inside the outer cylinder (13), and an inner cylinder (15) connected to a lower end of the middle cylinder (14), an outer diameter of the middle cylinder (14) is gradually reduced from top to bottom, an air outlet duct is formed between an upper portion of the lifting member (20) and the outer cylinder (13) and the middle cylinder (14), and a lower portion of the lifting member (20) is matched with the inner cylinder (15).

17. The lifting structure according to claim 16, characterized in that the supporting member (10) further comprises a ring body (16) connected to the lower end of the middle cylinder (14) and the upper end of the inner cylinder (15), the ring body (16) is provided with an air outlet through hole (161), and/or the supporting member (10) further comprises a supporting ring (17) connected to the lower end of the inner cylinder (15), and/or the lifting member (20) comprises an umbrella cover (24), an upper cylinder (25) connected to the umbrella cover (24), and a lower cylinder (26) connected to the lower end of the upper cylinder (25), the outer diameter of the upper cylinder (25) is gradually reduced from top to bottom, the upper cylinder (25) is matched with the outer cylinder (13) and the middle cylinder (14), and the lower cylinder (26) is matched with the inner cylinder (15).

18. The lifting structure according to any one of claims 2 to 10, characterized in that the lifting spring (30) abuts between the bottom of the support part (10) and the bottom of the lifting part (20).

19. The lifting structure according to claim 18, characterized in that the bottom of the lifting member (20) has a lower limit boss (27) protruding downward, the bottom of the support member (10) has an upper limit boss (18) protruding upward, the upper end of the lifting elastic member (30) is fitted over the lower limit boss (27), and the lower end of the lifting elastic member (30) is fitted over the upper limit boss (18).

20. An air purifier, comprising: the hoisting structure of any one of claims 1 to 19.

Images