阅读说明：本技术 一种多层伸缩蒸锅 (Multilayer telescopic steamer ) 是由 韩文慧 于 2020-05-14 设计创作，主要内容包括：本发明属于厨具技术领域,具体的说是一种多层伸缩蒸锅,包括一层锅体、二层锅体、三层锅体和锅盖；伸缩蒸锅还包括一层撑开部件、二层撑开部件和三层撑开部件；本发明通过转轴带动槽轮转动,槽轮通过环形绳带动二层环状套箍上另一侧的槽轮转动,进而再通过槽轮连接的转轴带动另一侧的齿轮转动,进而通过啮合另一侧的一层齿条实现将一层锅体和二层锅体撑开或拉拢；通过左右对称的两处一层齿条进行推动,进而保证一层锅体和二层锅体在相对运动的过程中两者的同轴度较高,进而不仅使得一层锅体和二层锅体撑开或拉拢更加平顺,也保证了一层锅体和二层锅体之间的紧密配合不会受到影响,进而保证一层锅体和二层锅体之间密封效果。(The invention belongs to the technical field of kitchen ware, and particularly relates to a multilayer telescopic steamer which comprises a first-layer steamer body, a second-layer steamer body, a third-layer steamer body and a steamer cover; the telescopic steamer also comprises a first layer of opening component, a second layer of opening component and a third layer of opening component; the grooved pulley is driven to rotate by the rotating shaft, the grooved pulley drives the grooved pulley on the other side of the two-layer annular hoop to rotate by the annular rope, the rotating shaft connected with the grooved pulley drives the gear on the other side to rotate, and the one-layer pot body and the two-layer pot body are spread or drawn by meshing the one-layer rack on the other side; promote through bilateral symmetry's two one deck racks, and then guarantee that the one deck pot body is higher with the in-process axiality between them of the two layers pot body at relative motion, and then not only make the one deck pot body and the two layers pot body strut or draw together more smoothly, have also guaranteed that the inseparable cooperation between the one deck pot body and the two layers pot body can not receive the influence, and then guarantee the sealed effect between the one deck pot body and the two layers pot body.)

1. The utility model provides a flexible steamer of multilayer which characterized in that: comprises a first-layer pot body (1), a second-layer pot body (2), a third-layer pot body (3) and a pot cover (4);

the first layer of pot body (1) is of a barrel structure with an opening at the upper end and a closed lower end; the upper end of the layer of pot body (1) is provided with a horn-shaped structure which is bent outwards; the first-layer pot body (1) is nested in the second-layer pot body (2); the upper end of the first layer pot body (1) is tightly matched with the inner wall of the second layer pot body (2); the lower end of the second-layer pot body (2) is provided with a closing-in which is bent inwards; the lower end of the second layer pot body (2) is tightly matched with the outer wall of the first layer pot body (1);

the upper end of the second-layer pot body (2) is provided with an outwards bent horn-shaped structure; the second-layer pot body (2) is nested inside the third-layer pot body (3); the upper end of the second-layer pot body (2) is tightly matched with the inner wall of the third-layer pot body (3); the lower end of the three-layer pot body (3) is provided with a closing-in which is bent inwards; the lower end of the three-layer pot body (3) is tightly matched with the outer wall of the two-layer pot body (2);

the upper end of the three-layer pot body (3) is provided with an outwards bent horn-shaped structure; the upper end of the three-layer pot body (3) is provided with the pot cover (4).

2. The multi-layer telescopic steamer as claimed in claim 1, wherein: the device also comprises a first layer of opening component (5), a second layer of opening component (6) and a third layer of opening component (7);

the outer wall of the lower end of the layer of pot body (1) is provided with the layer of spreading component (5); the layer of the expanding component (5) comprises a layer of annular hoop (51) and a layer of rack (52); the layer of annular hoop (51) is fixedly connected to the outer wall of the layer of pot body (1); the upper end surface of the annular hoop (51) is symmetrically provided with the rack (52); the layer of racks (52) is vertically arranged, and the lower end of the layer of racks (52) is fixedly connected to the layer of annular hoop (51);

the outer wall of the lower end of the second-layer pot body (2) is provided with the second-layer spreading component (6); the second-layer opening component (6) comprises a second-layer annular hoop (61), a second-layer adjusting unit (62) and a second-layer rack (63); the two layers of annular cuffs (61) are fixedly connected to the outer wall of the two layers of pot bodies (2); the two-layer adjusting unit (62) is arranged on the two-layer annular hoop (61); the second-layer adjusting unit (62) is used for matching with the first-layer rack (52) to realize height adjustment between the first-layer pot body (1) and the second-layer pot body (2); the upper end surface of the two layers of annular cuffs (61) is provided with two layers of racks (63) in bilateral symmetry; the two-layer rack (63) is vertically arranged, and the lower end of the two-layer rack (63) is fixedly connected to the two-layer annular hoop (61);

the two-layer adjusting unit (62) comprises a rotating shaft (621), a gear (622), a grooved pulley (623), an annular rope (624) and a knob (625); a first rectangular through hole (611) is formed in the position, corresponding to the first layer of rack (52), of the second layer of annular hoop (61); the upper end of the layer of racks (52) slides in the first rectangular through hole (611); one side of each of the first rectangular through holes (611) is provided with the gear (622); the gear (622) is meshed with the layer of racks (52); the gear (622) is fixedly connected to the rotating shaft (621); one end of the rotating shaft (621) is rotatably connected in the mounting hole on the two layers of annular hoops (61); the middle part of the rotating shaft (621) is fixedly connected with the grooved pulley (623); the two sheaves (623) are provided with the annular ropes (624); two parallel arc grooves (612) are arranged on the cylindrical surface at one side of the two layers of annular cuffs (61); the circular rope (624) slides in the circular arc groove (612); the looped-cord (624) is under tension; the end part of one of the rotating shafts (621) is fixedly connected with the knob (625);

the outer wall of the lower end of the three-layer pot body (3) is provided with the three-layer spreading component (7); the three-layer opening component (7) comprises three layers of annular cuffs (71) and three layers of adjusting units (72); the three-layer annular hoop (71) is fixedly connected to the outer wall of the three-layer pot body (3); the three-layer annular hoop (71) is provided with the three-layer adjusting unit (72); the three-layer adjusting unit (72) is used for matching with the two-layer rack (63) to realize height adjustment between the two-layer pot body (2) and the three-layer pot body (3); the structure of the three-layer adjusting unit (72) and the structure and the working principle of the two-layer adjusting unit (62) are the same.

3. The multi-layer telescopic steamer as claimed in claim 2, characterized in that: the annular rope (624) is woven by cotton threads; elastic metal thorns are arranged on the arc-shaped working surface of the grooved pulley (623).

4. The multi-layer telescopic steamer as claimed in claim 3, characterized in that: the upper end edges of the first layer pot body (1) and the second layer pot body (2) are provided with round corners; the fillet at the upper end of the first layer of pot body (1) is tightly attached to the inner wall of the second layer of pot body (2); the fillet at the upper end of the second-layer pot body (2) is tightly attached to the inner wall of the third-layer pot body (3).

5. The multi-layer telescopic steamer as claimed in claim 4, wherein: the lower end of the closing-in on the second layer pot body (2) and the lower end of the closing-in on the third layer pot body (3) are both provided with a section of cylindrical sliding body (21); the lower end of the cylindrical sliding body (21) is provided with an arc curled edge which is bent outwards; the cylindrical sliding body (21) at the lower end of the second layer pot body (2) is tightly attached to the outer wall of the first layer pot body (1); the cylindrical sliding body (21) at the lower end of the three-layer pot body (3) is tightly attached to the outer wall of the two-layer pot body (2).

6. The multi-layer telescopic steamer as claimed in claim 5, wherein: annular sealing rings (8) are arranged in the space between the first-layer pot body (1) and the second-layer pot body (2) and the space between the second-layer pot body (2) and the third-layer pot body (3).

7. The multi-layer telescopic steamer as claimed in claim 6, wherein: the annular sealing ring (8) is of a hollow structure; and inert gas is filled into the annular sealing ring (8).

Technical Field

The invention belongs to the technical field of kitchen ware, and particularly relates to a multilayer telescopic steamer.

Background

Traditional steamer is rigid structure, realizes the layering through the step that sets up different diameters, and then places the food on the step of every layer and realizes placing the food by placing the steaming rack of corresponding size. But traditional steamer is because rigid structure just sets up the multilayer again, and then leads to the volume of steamer too big, and then has the inconvenient shortcoming of accomodating.

Although the prior art also has a telescopic steamer, the prior telescopic steamer has the problems of inconvenient expansion in the use process, and particularly comprises that the pot body is inconvenient to adjust due to higher temperature after being heated, the pot body is difficult to expand due to uneven stress when being expanded by external force, and the pot body is inconvenient to hold due to overlarge action when being expanded by the external force; thereby making the telescopic steamer in the prior art inconvenient for users to use.

Disclosure of Invention

In order to make up the defects of the prior art, the invention provides a multi-layer telescopic steamer. The invention is mainly used for solving the problem that the telescopic steamer in the prior art is inconvenient to unfold in the use process.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention provides a multilayer telescopic steamer, which comprises a first-layer steamer body, a second-layer steamer body, a third-layer steamer body and a steamer cover, wherein the first-layer steamer body is arranged on the steamer body;

the first layer of pot body is of a barrel structure with an opening at the upper end and a closed lower end; the upper end of the layer of pot body is provided with a horn-shaped structure which is bent outwards; the first-layer pot body is nested inside the second-layer pot body; the upper end of the first layer of pot body is tightly matched with the inner wall of the second layer of pot body; the lower end of the second-layer pot body is provided with a closing-in which is bent inwards; the lower end of the second layer of pot body is tightly matched with the outer wall of the first layer of pot body;

the upper end of the second-layer pot body is provided with a horn-shaped structure which is bent outwards; the second-layer pot body is nested inside the third-layer pot body; the upper end of the second-layer pot body is tightly matched with the inner wall of the third-layer pot body; the lower end of the three-layer pot body is provided with a closing-in which is bent inwards; the lower end of the three-layer pot body is tightly matched with the outer wall of the two-layer pot body;

the upper end of the three-layer pot body is provided with an outwards bent horn-shaped structure; the upper end of the three-layer pot body is provided with the pot cover.

The upper end of the first layer pot body is tightly matched with the inner wall of the second layer pot body, and the lower end of the second layer pot body is tightly matched with the outer wall of the first layer pot body, so that the first layer pot body and the second layer pot body can slide relative to each other under the condition of ensuring sealing; meanwhile, the tight fit of the upper horn-shaped structure and the tight fit of the lower closing-in not only ensures that the sealing effect between the first-layer pot body and the second-layer pot body of the pot body is better, but also ensures the connection stability of the first-layer pot body and the second-layer pot body by the tight fit of the two parts; in the same way, the two-layer pot body and the three-layer pot body realize relative sliding; the steamer that constitutes through two inseparable cooperations between the one deck pot body, the two-layer pot body and the three-layer pot body can realize the change of volume under the circumstances of guaranteeing to seal and stability, not only can satisfy the user to the demand of the steamer of large capacity, can guarantee again that the steamer can not occupy too big space when idle, and then convenience of customers's use and storage.

Preferably, the telescopic steamer further comprises a first layer of opening component, a second layer of opening component and a third layer of opening component;

the outer wall of the lower end of the layer of pot body is provided with the layer of spreading component; the layer of opening component comprises a layer of annular hoop and a layer of rack; the layer of annular hoop is fixedly connected to the outer wall of the layer of pot body; the upper end face of the layer of annular hoop is provided with the layer of racks in a left-right symmetrical mode; the layer of racks is vertically arranged, and the lower end of the layer of racks is fixedly connected to the layer of annular hoop;

the outer wall of the lower end of the second-layer pot body is provided with the second-layer spreading component; the second-layer opening component comprises a second-layer annular hoop, a second-layer adjusting unit and a second-layer rack; the two layers of annular cuffs are fixedly connected to the outer wall of the two layers of pot bodies; the two layers of annular cuffs are provided with the two layers of adjusting units; the second-layer adjusting unit is used for matching with the first-layer rack to realize height adjustment between the first-layer pot body and the second-layer pot body; the upper end surface of the two layers of annular cuffs is provided with two layers of racks which are bilaterally symmetrical; the two layers of racks are vertically arranged, and the lower ends of the two layers of racks are fixedly connected to the two layers of annular hoops;

the two-layer adjusting unit comprises a rotating shaft, a gear, a grooved pulley, an annular rope and a knob; a first rectangular through hole is formed in the position, corresponding to the first layer of racks, of the second layer of annular hoop; the upper end of the first layer of racks slides in the first rectangular through hole; the gear is arranged on one side of each of the first rectangular through holes; the gear is meshed with the layer of rack; the gear is fixedly connected to the rotating shaft; one end of the rotating shaft is rotatably connected in the mounting hole on the two layers of annular cuffs; the middle part of the rotating shaft is fixedly connected with the grooved pulley; the two grooved pulleys are provided with the annular ropes; the cylindrical surface at one side of the two layers of annular cuffs is provided with two parallel arc grooves; the annular rope slides in the arc groove; the looped-cord is under tension; the end part of one of the rotating shafts is fixedly connected with the knob;

the outer wall of the lower end of the three-layer pot body is provided with the three-layer spreading component; the three-layer opening component comprises three layers of annular cuffs and three layers of adjusting units; the three-layer annular hoop is fixedly connected to the outer wall of the three-layer pot body; the three-layer annular hoop is provided with the three-layer adjusting unit; the three-layer adjusting unit is used for matching the two-layer rack to realize height adjustment between the two-layer pot body and the three-layer pot body; the structure of the three-layer adjusting unit and the structure and the working principle of the two-layer adjusting unit are the same.

When the double-layer pot body opening and closing device works, a user can drive the gear to rotate by rotating the knob in the double-layer adjusting unit, the gear realizes the opening or closing of the first-layer pot body and the second-layer pot body by meshing the first-layer rack on the side, and the problem that the user is inconvenient to open the first-layer pot body and the second-layer pot body directly through external force is solved;

meanwhile, the knob drives a grooved pulley to rotate through a rotating shaft, the grooved pulley drives the grooved pulley on the other side of the two layers of annular hoops to rotate through an annular rope, then the rotating shaft connected with the grooved pulley drives a gear on the other side to rotate, and then the one layer of pot body and the two layers of pot bodies are spread or drawn together by meshing the one layer of rack on the other side; the two layers of racks are symmetrically arranged on the left and right, so that the coaxiality of the first layer of pot body and the second layer of pot body is higher in the relative motion process, the first layer of pot body and the second layer of pot body are more smoothly opened or closed, the tight fit between the first layer of pot body and the second layer of pot body is not influenced, and the sealing effect between the first layer of pot body and the second layer of pot body is further ensured; meanwhile, the height of the pot body formed by the first-layer pot body and the second-layer pot body can be adjusted by rotating the knob in the second-layer adjusting unit, so that the pot body is greatly convenient for users to use;

similarly, the user can open or close the two-layer pot body and the three-layer pot body by rotating the knob in the three-layer adjusting unit.

Preferably, the annular rope is woven by cotton threads; and the arc-shaped working surface of the grooved wheel is provided with an elastic metal thorn.

By inserting the metal pricks on the grooved pulley into the annular rope, the grooved pulley and the annular rope are attached more tightly, so that the slipping condition is avoided, the motion synchronism of the left and right first-layer racks or the second-layer racks is ensured, and the first-layer pot body, the second-layer pot body and the third-layer pot body can be smoothly opened or closed;

the annular rope obtained by weaving the cotton threads is convenient for the insertion of the elastic metal pricks on the grooved pulley, and the woven grains have a good limiting effect on the inserted elastic metal pricks, so that the inserted elastic metal pricks are prevented from shaking in the annular rope, and the transmission effect between the grooved pulley and the annular rope is further improved; and the elastic metal thorn can deform along with the rotation after being inserted into the annular rope, so that the surface of the annular rope can not be damaged by the elastic metal thorn, and the service life of the annular rope is prolonged.

Preferably, the upper end edges of the first layer of pot body and the second layer of pot body are both provided with round corners; the fillet at the upper end of the first layer of pot body is tightly attached to the inner wall of the second layer of pot body; the fillet of the upper end of the second-layer pot body is tightly attached to the inner wall of the third-layer pot body.

The fillet is all set to through the upper end border with the one deck pot body and the two-layer pot body, not only guarantees that the one deck pot body upper end can closely laminate with the inner wall of the two-layer pot body and then closely laminate and the inner wall of the two-layer pot body upper end and the three-layer pot body closely laminates, can guarantee in addition that the one deck pot body and the two-layer pot body between and the two-layer pot body and the three-layer pot body between the homoenergetic slide that can be.

Preferably, the lower end of the closing-in on the second-layer pot body and the lower end of the closing-in on the third-layer pot body are both provided with a section of cylindrical sliding body; the lower end of the cylindrical sliding body is provided with an arc curled edge which is bent outwards; the cylindrical sliding body at the lower end of the second-layer pot body is tightly attached to the outer wall of the first-layer pot body; the cylindrical sliding body at the lower end of the three-layer pot body is tightly attached to the outer wall of the two-layer pot body.

Make the one deck pot body and the two-layer pot body guarantee with the axiality precision of the three-layer pot body more easily through setting up one section cylinder gliding body, and then improve the smooth-going nature of mutual slip between the pot body and the sealed effect of closely cooperating each other, and then improve the holistic life of flexible steamer.

Preferably, annular sealing rings are arranged in the space between the first-layer pot body and the second-layer pot body and the space between the second-layer pot body and the third-layer pot body.

The annular sealing rings are arranged in the space between the first-layer pot body and the second-layer pot body and the space between the second-layer pot body and the third-layer pot body, so that the sealing effect between the pot bodies is improved.

Preferably, the annular sealing ring is of a hollow structure; and inert gas is filled in the annular sealing ring.

The annular sealing rings are arranged to be of a hollow structure, so that the annular sealing rings are convenient to extrude and deform, the annular sealing rings can roll well in the process of relative movement of two adjacent pot bodies, and the movement between the adjacent pot bodies cannot be interfered under the condition of realizing good sealing effect, so that the moving fluency of the pot bodies is improved;

inert gas is filled into the annular sealing ring, so that the annular sealing ring cannot expand due to the influence of the temperature of the pot body, the extrusion force of the annular sealing ring to the pot bodies on the two sides is constant and uniform, and the stable sealing effect is guaranteed.

The invention has the following beneficial effects:

1. according to the invention, the upper end of the first-layer pot body is tightly matched with the inner wall of the second-layer pot body, and the lower end of the second-layer pot body is tightly matched with the outer wall of the first-layer pot body, so that the first-layer pot body and the second-layer pot body can slide relative to each other under the condition of ensuring sealing; meanwhile, the tight fit of the upper horn-shaped structure and the tight fit of the lower closing-in not only ensures that the sealing effect between the first-layer pot body and the second-layer pot body of the pot body is better, but also ensures the connection stability of the first-layer pot body and the second-layer pot body by the tight fit of the two parts; the steamer that constitutes through two inseparable cooperations between the one deck pot body, the two-layer pot body and the three-layer pot body can realize the change of volume under the circumstances of guaranteeing to seal and stability, not only can satisfy the user to the demand of the steamer of large capacity, can guarantee again that the steamer can not occupy too big space when idle, and then convenience of customers's use and storage.

2. The grooved pulley is driven to rotate by the rotating shaft, the grooved pulley drives the grooved pulley on the other side of the two layers of annular hoops to rotate by the annular rope, then the rotating shaft connected with the grooved pulley drives the gear on the other side to rotate, and then the one layer of pot body and the two layers of pot body are spread or drawn by meshing the one layer of rack on the other side; the two layers of racks are symmetrically arranged on the left and right, so that the coaxiality of the first layer of pot body and the second layer of pot body is higher in the relative motion process, the first layer of pot body and the second layer of pot body are more smoothly opened or closed, the tight fit between the first layer of pot body and the second layer of pot body is not influenced, and the sealing effect between the first layer of pot body and the second layer of pot body is further ensured; meanwhile, the height of the pot body formed by the pot body with one layer and the pot body with two layers can be adjusted by rotating the knob in the adjusting unit with two layers, so that the pot body is greatly convenient for users to use.

3. According to the invention, the metal pricks on the grooved pulley are inserted into the annular rope, so that the grooved pulley and the annular rope are attached more tightly, the slipping condition is avoided, the motion synchronism of the left and right first-layer racks or the second-layer racks is ensured, and the first-layer pot body, the second-layer pot body and the third-layer pot body can be smoothly opened or closed; the annular rope obtained by weaving the cotton threads is convenient for the insertion of the elastic metal pricks on the grooved pulley, and the woven grains have a good limiting effect on the inserted elastic metal pricks, so that the inserted elastic metal pricks are prevented from shaking in the annular rope, and the transmission effect between the grooved pulley and the annular rope is further improved; and the elastic metal thorn can deform along with the rotation after being inserted into the annular rope, so that the surface of the annular rope can not be damaged by the elastic metal thorn, and the service life of the annular rope is prolonged.

4. According to the telescopic steamer, the coaxiality precision of the first-layer pot body and the second-layer pot body and the coaxiality precision of the second-layer pot body and the third-layer pot body are ensured more easily by arranging the section of cylindrical sliding body, so that the smoothness of mutual sliding between the pot bodies and the sealing effect of mutual close fit are improved, and the service life of the whole telescopic steamer is prolonged.

5. According to the invention, the annular sealing ring is of a hollow structure, so that the annular sealing ring is convenient to extrude and deform, and further the annular sealing ring can well roll in the process of relative movement of two adjacent pot bodies, so that the movement between the adjacent pot bodies can not be interfered under the condition of realizing good sealing effect, and further the moving fluency of the pot bodies is improved; inert gas is filled into the annular sealing ring, so that the annular sealing ring cannot expand due to the influence of the temperature of the pot body, the extrusion force of the annular sealing ring to the pot bodies on the two sides is constant and uniform, and the stable sealing effect is guaranteed.

Drawings

The invention will be further explained with reference to the drawings.

FIG. 1 is a schematic view of the telescopic steam frame of the present invention in a contracted state;

FIG. 2 is a schematic structural view of the telescopic steam frame in the expanded state;

FIG. 3 is a schematic view of the internal structure of the telescopic steaming rack of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

FIG. 5 is a front view of the telescoping steaming rack of the present invention;

FIG. 6 is a cross-sectional view taken at B-B of FIG. 5;

FIG. 7 is an enlarged view of a portion of FIG. 6 at C;

FIG. 8 is a schematic structural view of a two-layer conditioning unit according to the present invention;

in the figure: the pot comprises a first-layer pot body 1, a second-layer pot body 2, a cylindrical sliding body 21, a third-layer pot body 3, a pot cover 4, a first-layer opening component 5, a first-layer annular hoop 51, a first-layer rack 52, a second-layer opening component 6, a second-layer annular hoop 61, a first rectangular through hole 611, an arc groove 612, a second-layer adjusting unit 62, a rotating shaft 621, a gear 622, a grooved pulley 623, an annular rope 624, a knob 625, a second-layer rack 63, a third-layer opening component 7, a third-layer annular hoop 71, a third-layer adjusting unit 72 and an annular sealing ring 8.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 5, a multi-layer telescopic steamer comprises a first layer of steamer body 1, a second layer of steamer body 2, a third layer of steamer body 3 and a steamer cover 4;

the first layer of pot body 1 is of a barrel structure with an opening at the upper end and a closed lower end; the upper end of the first layer of pot body 1 is provided with a horn-shaped structure which is bent outwards; the first-layer pot body 1 is nested in the second-layer pot body 2; the upper end of the first layer of pot body 1 is tightly matched with the inner wall of the second layer of pot body 2; the lower end of the second layer pot body 2 is provided with a closing-in which is bent inwards; the lower end of the second layer pot body 2 is tightly matched with the outer wall of the first layer pot body 1;

the upper end of the second layer pot body 2 is provided with a horn-shaped structure which is bent outwards; the second-layer pot body 2 is nested inside the third-layer pot body 3; the upper end of the second-layer pot body 2 is tightly matched with the inner wall of the third-layer pot body 3; the lower end of the three-layer pot body 3 is provided with a closing-in which is bent inwards; the lower end of the three-layer pot body 3 is tightly matched with the outer wall of the two-layer pot body 2;

the upper end of the three-layer pot body 3 is provided with an outwards bent horn-shaped structure; the upper end of the three-layer pot body 3 is provided with the pot cover 4.

The upper end of the first layer pot body 1 is tightly matched with the inner wall of the second layer pot body 2, and the lower end of the second layer pot body 2 is tightly matched with the outer wall of the first layer pot body 1, so that the first layer pot body 1 and the second layer pot body 2 can realize relative sliding of the first layer pot body 1 and the second layer pot body 2 under the condition of ensuring sealing; meanwhile, the tight fit of the upper horn-shaped structure and the tight fit of the lower closing-in not only ensures that the sealing effect between the first-layer pot body 1 and the second-layer pot body 2 of the pot body is better, but also ensures the stability of the connection of the first-layer pot body 1 and the second-layer pot body 2 through the tight fit of the two parts; in the same way, the two-layer pot body 2 and the three-layer pot body 3 realize relative sliding; the steamer that constitutes through two inseparable cooperations between the one deck pot body 1, the two-layer pot body 2 and the three-layer pot body 3 can realize the change of volume under the circumstances of guaranteeing to seal and stability, not only can satisfy the user to the demand of the steamer of large capacity, can guarantee again that the steamer can not occupy too big space when idle, and then convenience of customers' use and accomodate.

As shown in fig. 1 to 8, the telescopic steamer further comprises a first layer of opening component 5, a second layer of opening component 6 and a third layer of opening component 7;

the outer wall of the lower end of the layer of pot body 1 is provided with the layer of spreading component 5; the layer of the distraction member 5 comprises a layer of annular cuffs 51 and a layer of splines 52; the layer of annular hoop 51 is fixedly connected to the outer wall of the layer of pot body 1; the upper end surface of the annular hoop 51 is symmetrically provided with the rack 52; the layer of racks 52 is vertically arranged, and the lower end of the layer of racks 52 is fixedly connected to the layer of annular hoop 51;

the outer wall of the lower end of the second-layer pot body 2 is provided with the second-layer spreading component 6; the second-layer opening component 6 comprises a second-layer annular hoop 61, a second-layer adjusting unit 62 and a second-layer rack 63; the second-layer annular hoop 61 is fixedly connected to the outer wall of the second-layer pot body 2; the two-layer adjusting unit 62 is arranged on the two-layer annular hoop 61; the second-layer adjusting unit 62 is used for matching with the first-layer rack 52 to realize height adjustment between the first-layer pot body 1 and the second-layer pot body 2; the upper end surface of the two-layer annular hoop 61 is symmetrically provided with the two-layer racks 63; the second-layer rack 63 is vertically arranged, and the lower end of the second-layer rack 63 is fixedly connected to the second-layer annular hoop 61;

the two-layer adjusting unit 62 comprises a rotating shaft 621, a gear 622, a sheave 623, a circular rope 624 and a knob 625; a first rectangular through hole 611 is formed in the position, corresponding to the first layer of racks 52, of the second layer of annular hoop 61; the upper end of the first layer of racks 52 slides in the first rectangular through hole 611; the gear 622 is arranged on one side of each of the first rectangular through holes 611; the gear 622 is meshed with the layer of racks 52; the gear 622 is fixedly connected to the rotating shaft 621; one end of the rotating shaft 621 is rotatably connected in the mounting hole of the two-layer annular hoop 61; the middle part of the rotating shaft 621 is fixedly connected with the grooved pulley 623; the two sheaves 623 are provided with the endless ropes 624; two parallel arc grooves 612 are arranged on the cylindrical surface at one side of the two-layer annular hoop 61; the circular string 624 slides in the circular arc groove 612; the looped-cord 624 is under tension; one end of the rotating shaft 621 is fixedly connected with the knob 625;

the outer wall of the lower end of the three-layer pot body 3 is provided with the three-layer spreading component 7; the three-layer opening component 7 comprises three layers of annular cuffs 71 and three layers of adjusting units 72; the three-layer annular hoop 71 is fixedly connected to the outer wall of the three-layer pot body 3; the three-layer adjusting unit 72 is arranged on the three-layer annular hoop 71; the three-layer adjusting unit 72 is used for matching with the two-layer rack 63 to realize the height adjustment between the two-layer pot body 2 and the three-layer pot body 3; the structure and the working principle of the three-layer adjusting unit 72 and the two-layer adjusting unit 62 are the same.

When the pot is in operation, a user can drive the gear 622 to rotate by rotating the knob 625 in the two-layer adjusting unit 62, and the gear 622 realizes the opening or closing of the first-layer pot body 1 and the second-layer pot body 2 by meshing the first-layer rack 52 on the side, so that the problem that the user is inconvenient to open the first-layer pot body 1 and the second-layer pot body 2 directly through external force is solved;

meanwhile, the knob 625 drives the grooved pulley 623 to rotate through the rotating shaft 621, the grooved pulley 623 drives the grooved pulley 623 on the other side of the two-layer annular hoop 61 to rotate through the annular rope 624, then the rotating shaft 621 connected with the grooved pulley 623 drives the gear 622 on the other side to rotate, and then the one-layer pot body 1 and the two-layer pot body 2 are spread or drawn by meshing the one-layer rack 52 on the other side; the two layers of racks 52 which are bilaterally symmetrical are used for pushing, so that the coaxiality of the first layer pot body 1 and the second layer pot body 2 is high in the process of relative movement, the first layer pot body 1 and the second layer pot body 2 are enabled to be more smoothly opened or closed, the tight fit between the first layer pot body 1 and the second layer pot body 2 is guaranteed not to be influenced, and the sealing effect between the first layer pot body 1 and the second layer pot body 2 is guaranteed; meanwhile, the height of the pot body formed by the first-layer pot body 1 and the second-layer pot body 2 can be adjusted by rotating the knob 625 in the second-layer adjusting unit 62, so that the use of a user is greatly facilitated;

similarly, the user can open or close the two-layer pot body 2 and the three-layer pot body 3 by rotating the knob 625 in the three-layer adjusting unit 72.

The annular rope 624 is woven by cotton thread; elastic metal thorns are arranged on the arc-shaped working surface of the grooved pulley 623.

The metal thorns on the grooved pulley 623 are inserted into the annular rope 624, so that the grooved pulley 623 and the annular rope 624 are attached more tightly, the slipping condition is avoided, the movement synchronism of the left and right first-layer racks 52 or the second-layer racks 63 is ensured, and the first-layer pot body 1, the second-layer pot body 2 and the third-layer pot body 3 can be smoothly opened or closed;

the annular rope 624 obtained by weaving cotton threads is convenient for inserting elastic metal spines on the grooved pulley 623, and the woven grains have a good limiting effect on the inserted elastic metal spines, so that the inserted elastic metal spines are prevented from shaking in the annular rope 624, and the transmission effect between the grooved pulley 623 and the annular rope 624 is improved; moreover, the elastic metal pricks deform along with rotation after being inserted into the annular rope 624, so that the surface of the annular rope 624 cannot be damaged by the elastic metal pricks, and the service life of the annular rope 624 is prolonged.

As shown in fig. 3 to 5, the upper edges of the first layer pot body 1 and the second layer pot body 2 are provided with round corners; the fillet at the upper end of the first layer of pot body 1 is tightly attached to the inner wall of the second layer of pot body 2; the fillet of the upper end of the second-layer pot body 2 is tightly attached to the inner wall of the third-layer pot body 3.

Through all setting the fillet to the upper end border with the one deck pot body 1 and the two-layer pot body 2, not only guarantee that the one deck pot body 1 upper end can with the inner wall of the two-layer pot body 2 and then closely laminate and the two-layer pot body 2 upper end closely laminate with the inner wall of the three-layer pot body 3, can guarantee moreover that the one deck pot body 1 and the two-layer pot body 2 between and the two-layer pot body 2 and the three-layer pot body 3 between the equal can be fine slip, and then the user of being convenient for uses more.

As shown in fig. 3 to 5, a section of cylindrical sliding body 21 is arranged at the lower end of the closing-in on the second-layer pot body 2 and the lower end of the closing-in on the third-layer pot body 3; the lower end of the cylindrical sliding body 21 is provided with an arc curled edge which is bent outwards; the cylindrical sliding body 21 at the lower end of the second layer pot body 2 is tightly attached to the outer wall of the first layer pot body 1; the cylindrical sliding body 21 at the lower end of the three-layer pot body 3 is tightly attached to the outer wall of the two-layer pot body 2.

Make the one deck pot body 1 and the two-layer pot body 2 guarantee with the axiality precision of the three-layer pot body 3 more easily through setting up one section cylinder gliding body 21, and then improve the gliding ride comfort each other between the pot body and closely cooperate sealed effect each other, and then improve the holistic life of flexible steamer.

As shown in fig. 3 to 5, annular sealing rings 8 are arranged in the space between the first layer pot body 1 and the second layer pot body 2 and the space between the second layer pot body 2 and the third layer pot body 3.

The annular sealing rings 8 are arranged in the space between the first layer pot body 1 and the second layer pot body 2 and the space between the second layer pot body 2 and the third layer pot body 3, so that the sealing effect between the pot bodies is improved.

As shown in fig. 3 to 5, the annular sealing ring 8 is a hollow structure; the annular sealing ring 8 is filled with inert gas.

The annular sealing ring 8 is arranged to be of a hollow structure, so that the annular sealing ring 8 is convenient to extrude and deform, and further, the annular sealing ring 8 can roll well in the process of relative movement of two adjacent pot bodies, so that the movement between the adjacent pot bodies cannot be interfered under the condition of realizing a good sealing effect, and further, the moving fluency of the pot bodies is improved;

inert gas is filled into the annular sealing ring 8, so that the annular sealing ring 8 cannot expand in volume due to the influence of the temperature of the pot body, the extrusion force of the annular sealing ring 8 to the pot bodies on the two sides is constant and uniform, and the stable sealing effect is guaranteed.

When the pot is in operation, a user can drive the gear 622 to rotate by rotating the knob 625 in the two-layer adjusting unit 62, and the gear 622 realizes the opening or closing of the first-layer pot body 1 and the second-layer pot body 2 by meshing the first-layer rack 52 on the side, so that the problem that the user is inconvenient to open the first-layer pot body 1 and the second-layer pot body 2 directly through external force is solved; meanwhile, the knob 625 drives the grooved pulley 623 to rotate through the rotating shaft 621, the grooved pulley 623 drives the grooved pulley 623 on the other side of the two-layer annular hoop 61 to rotate through the annular rope 624, then the rotating shaft 621 connected with the grooved pulley 623 drives the gear 622 on the other side to rotate, and then the one-layer pot body 1 and the two-layer pot body 2 are spread or drawn by meshing the one-layer rack 52 on the other side; the two layers of racks 52 which are bilaterally symmetrical are used for pushing, so that the coaxiality of the first layer pot body 1 and the second layer pot body 2 is high in the process of relative movement, the first layer pot body 1 and the second layer pot body 2 are enabled to be more smoothly opened or closed, the tight fit between the first layer pot body 1 and the second layer pot body 2 is guaranteed not to be influenced, and the sealing effect between the first layer pot body 1 and the second layer pot body 2 is guaranteed; meanwhile, the height of the pot body formed by the first-layer pot body 1 and the second-layer pot body 2 can be adjusted by rotating the knob 625 in the second-layer adjusting unit 62, so that the use of a user is greatly facilitated; similarly, the user can open or close the two-layer pot body 2 and the three-layer pot body 3 by rotating the knob 625 in the three-layer adjusting unit 72.

While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.