Dumb waiter with safety protection structure

By installing clamps and limiting components inside the service elevator car, and using bolts and knobs to secure items, the problem of items tipping over is solved, achieving safe and reliable transportation protection.

CN223950533UActive Publication Date: 2026-02-27SHANDONG XINDA ELEVATOR CO LTD
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Patent Information

Application Number
CN202423213961.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-25
Publication Date
2026-02-27
Estimated Expiration
2034-12-25

AI Technical Summary

Technical Problem

Existing dumbwaiters, due to the lack of a fixed structure inside the car, are prone to tipping over during the lifting process, leading to damage and safety hazards.

Method used

Symmetrical clamps and drive components are installed inside the car. Items are fixed by the clamps and limiting components, and bolts and knobs are used for fastening. Rubber pads and ball bearings are combined to improve stability and protection.

Benefits of technology

It effectively prevents items from tipping over inside the car, improves transportation safety, and protects items from damage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of dumb waiters, and discloses a dumb waiter with a safety protection structure, which comprises a wall body and a lift car body, the bottom of the inner wall of the lift car body is connected with symmetrical clamping plates in a sliding manner, the bottom of the lift car body is provided with a cavity, and a driving assembly for moving the clamping plates is arranged in the cavity. Wherein one clamping plate is provided with a limiting assembly, the opposite sides of the two clamping plates are slidably connected with pressing plates, bolts penetrate through the pressing plates, and one ends of the bolts are fixedly connected with rotary knobs. According to the dumb waiter with the safety protection structure, one clamping plate slides, the other clamping plate synchronously moves under the action of the driving assembly, the clamping plates can be fixed through the limiting assembly after the two clamping plates clamp an object, then a pressing plate slides downwards to enable the bottom of the pressing plate to abut against the object, and then a rotary knob is rotated to enable one end of a bolt to be inserted into an inserting groove; and the articles can be fixed in the lift car body, so that the articles and the dumb waiter can be well protected.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of miscellaneous goods elevator, concretely is a miscellaneous goods elevator with safety protection structure. BACKGROUND

[0002] Miscellaneous goods elevator is the fixed type lifting equipment serving floor, and is mostly applied in restaurant, school and hotel and so on. The miscellaneous goods elevator usually has a car, the car runs between two columns of rigid guide rail which is vertical or the inclination angle with vertical direction is less than 15 DEG, the size and structure form of car are smaller, and the elevator door is generally the double -leaf door which is opened and closed along the upper and lower two ends respectively, and the button is usually arranged outside the door to control the direction required by the goods to be transported, and is used for transporting light books, files, food and the like, but personnel is not allowed to enter the car, and the personnel cannot be transported either.

[0003] In the prior art, the safety protection device of miscellaneous goods elevator is disclosed in the utility model with publication number CN219990870U, and the technical scheme relates to the elevator technical field, and specifically discloses a safety protection device of miscellaneous goods elevator, which comprises an infrared detection mechanism for detecting the existence of human body between elevator doors, a camera installed on the outer side of the elevator door and a controller, a human body sensor is arranged in the camera, an emergency door opening mechanism is further arranged between the elevator doors, the emergency door opening mechanism comprises electric telescopic rods symmetrically arranged between the bottom side of the top elevator door and the top side of the bottom elevator door, receiving grooves for accommodating the electric telescopic rods symmetrically arranged on the bottom side of the top elevator door and an emergency manual door opening button arranged on the outer side of the elevator door, and the electric telescopic rods, the emergency manual door opening button and the camera are electrically connected with the controller, so that the problem that the door of the traditional miscellaneous goods elevator can only be controlled to open and the stay time is fixed, which makes the time for taking and placing goods relatively tense or insufficient when the goods transportation volume is large, and the safety hidden danger exists, and the normal operation of the elevator is affected, is solved.

[0004] However, in the prior art, when the user puts the goods into the car, there is no fixing structure for the goods in the car, and the elevator will vibrate during lifting, which can easily cause the goods in the car to fall, thereby damaging the goods and even causing safety hazards.

[0005] To solve the above problems, the present application provides a miscellaneous goods elevator with safety protection structure. Utility model content

[0006] The utility model intends to provide a miscellaneous goods elevator with safety protection structure, which is mainly used to solve the problem that when the user puts the goods into the car, there is no fixing structure for the goods in the car, and the elevator will vibrate during lifting, which can easily cause the goods in the car to fall, thereby damaging the goods and even causing safety hazards.

[0007] To solve the above technical problems, the utility model provides the following technical scheme:

[0008] A kind of sundry elevator with safety protection structure, including wall body and car body, the bottom of car body inner wall is slidably connected with symmetrical clamping plate, the bottom of car body is provided with cavity, the inside of cavity is provided with the drive assembly for moving clamping plate, one clamping plate is provided with limiting assembly, the opposite side of two clamping plates is slidably connected with pressing plate, the bolt is penetrated in pressing plate, and the bolt is threadedly connected with pressing plate, the end of bolt is fixedly connected with knob, multiple insertion slots matched with bolt are formed in clamping plate, and insertion slot is linear array equidistantly distributed on clamping plate.

[0009] The working principle and beneficial effects of the utility model are as follows:

[0010] 1, working principle: when the sundry elevator operates, the staff puts the goods into the car body, then slides one clamping plate towards the goods, and the other clamping plate will slide towards the goods under the action of the drive assembly in the cavity, when the two clamping plates clamp the goods, the clamping plate can be fixed by the limiting assembly, then rotate the knob to make the end of the bolt separate from the insertion slot on the clamping plate, slide the pressing plate downwards to make its bottom abut against the goods, then rotate the knob in reverse to make the end of the bolt insert into the insertion slot, and the goods can be fixed in the car body, then start the elevator to transport the goods.

[0011] 2, beneficial effects: after the goods are put into the car body, slide one clamping plate, and the other clamping plate will move synchronously under the action of the drive assembly, when the two clamping plates clamp the goods, the clamping plate can be fixed by the limiting assembly, then slide the pressing plate downwards to make its bottom abut against the goods, rotate the knob to make the end of the bolt insert into the insertion slot, and the goods can be fixed in the car body, which can effectively prevent the goods from falling in the car body, and thus the goods and the sundry elevator are well protected.

[0012] Preferably, the driving assembly comprises a gear rotatingly connected inside the cavity, a first toothed plate is engagedly connected to the bottom of the outer wall of the gear, a second toothed plate is engagedly connected to the top of the outer wall of the gear, the first toothed plate and the second toothed plate are located inside the cavity and are slidably connected with the inner wall of the cavity, one side of the top of the first toothed plate is fixedly connected with a first connecting block, one side of the top of the second toothed plate is fixedly connected with a second connecting block, the top of the first connecting block and the top of the second connecting block extend to the inside of the car body and are fixedly connected with the clamping plates, the first connecting block and the second connecting block are slidably connected with the car body, after the article is placed inside the car body, the clamping plate on the left side of the car body is slid, the clamping plate moves while driving the first toothed plate inside the cavity to slide through the first connecting block, the first toothed plate slides while driving the gear engagedly connected therewith to rotate, the gear rotates while driving the second toothed plate engagedly connected therewith to slide synchronously, the second toothed plate slides while driving the corresponding clamping plate to move through the second connecting block, thereby realizing the synchronous movement of the two clamping plates to the direction close to the article, after the two clamping plates clamp the article, the clamping plates are fixed through the limiting assembly, thereby achieving the better fixing effect on the article.

[0013] Preferably, the limiting assembly comprises a sliding cavity formed in one side of the bottom of one of the clamping plates, a moving block is slidably connected inside the sliding cavity, the bottom of the moving block extends out of the clamping plate and is fixedly connected with a tooth, a plurality of tooth grooves matched with the tooth are formed in the bottom of the inner wall of the car body, the top of the moving block is fixedly connected with a spring, the upper end of the spring is fixedly connected with the top of the inner wall of the sliding cavity, the top of one side of the moving block is fixedly connected with a sliding block, the side of the sliding block away from the moving block extends out of the clamping plate and is fixedly connected with a pulling block, and the sliding block is slidably connected with the clamping plate, when the clamping plate is moved to the direction close to the article, the tooth drives the moving block to automatically move downward while pressing and compressing the spring, after the two clamping plates clamp the article, the tooth is clamped with the tooth grooves in the bottom of the inner wall of the car body under the action of the spring, thereby achieving the better fixing effect on the clamping plate, the pulling block is pulled upward while driving the moving block to move upward through the sliding block, after the tooth is disengaged from the tooth groove, the two clamping plates can be slid to the direction away from the article, thereby facilitating the user to take out the article from the inside of the car body.

[0014] Preferably, one side of the pressing plate is fixedly connected with symmetrical T-shaped blocks, a T-shaped slot matched with the T-shaped blocks is formed in the clamping plate, when the pressing plate slides on one side of the clamping plate, the T-shaped blocks arranged on one side of the pressing plate and the T-shaped slot formed in the clamping plate can better limit and guide the pressing plate, thereby making the stability of the pressing plate higher when the pressing plate slides on the clamping plate.

[0015] Preferably, the bottom of the pressing plate is fixedly connected with a rubber pad, and the bottom of the rubber pad is provided with anti-skid lines. Since the rubber material has good wear resistance and soft texture, when the rubber pad at the bottom of the pressing plate is tightly pressed against the article, the article can be better fixed and protected.

[0016] Preferably, a plurality of balls are rotatably connected to the side of the T-shaped block away from the pressing plate, and the balls are linearly and equidistantly distributed on the T-shaped block. During the sliding of the pressing plate on one side of the clamping plate, the T-shaped block slides in the T-shaped groove. The plurality of balls arranged on one side of the T-shaped block can effectively reduce the friction between the T-shaped block and the inner wall of the T-shaped groove, so that people can slide the pressing plate more easily and labor-savingly.

[0017] Preferably, the knob is shaped as a plum blossom shape, and an anti-skid sleeve is sleeved on the outer wall of the knob. By shaping the knob as a plum blossom shape, people can rotate the knob more easily and labor-savingly. The anti-skid sleeve sleeved on the outer wall of the knob can increase the friction between the hands of people and the knob, thereby effectively preventing the hands of people from slipping when rotating the knob. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the overhead cross-sectional structure of the car body of the utility model;

[0020] Figure 3 It is a schematic diagram of the overall structure of the clamping plate of the utility model;

[0021] Figure 4 It is a schematic diagram of the overall structure of the pressing plate of the utility model;

[0022] Figure 5 It is a schematic diagram of the enlarged partial cross-sectional structure of the utility model.

[0023] In the drawing: 1, wall; 2, car body; 3, clamping plate; 4, cavity; 5, pressing plate; 6, bolt; 7, knob; 8, slot; 9, gear; 10, first toothed plate; 11, second toothed plate; 12, first connecting block; 13, second connecting block; 14, sliding cavity; 15, moving block; 16, tooth; 17, tooth groove; 18, spring; 19, sliding block; 20, pulling block; 21, T-shaped block; 22, T-shaped groove; 23, ball; 24, rubber pad. DETAILED DESCRIPTION

[0024] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts under the premise that no creative efforts are made, belong to the scope of protection of the present application.

[0025] Please refer to Figures 1-5 The utility model provides a kind of sundry elevator with safety protection structure, including wall 1 and car body 2, the bottom of the inner wall of car body 2 is slidably connected with symmetrical clamping plate 3, the bottom of car body 2 is provided with cavity 4, the inside of cavity 4 is provided with the drive assembly for moving clamping plate 3, after putting goods into car body 2, one of clamping plate 3 is slid towards the direction close to goods, another clamping plate 3 is synchronously slid towards the direction close to goods under the action of drive assembly in cavity 4, limit component is arranged on one of clamping plate 3, when two clamping plate 3 clamp goods, clamping plate 3 can be fixed by limit component, the opposite side of two clamping plate 3 is slidably connected with pressing plate 5, the bottom of pressing plate 5 is fixedly connected with rubber pad 24, and anti-skid line is formed in the bottom of rubber pad 24, and the rubber pad 24 at the bottom of pressing plate 5 is tightly contacted with goods by sliding downwards, not only can better fixed effect be achieved to goods, but also better protection effect can be achieved to goods, one side of pressing plate 5 is fixedly connected with symmetrical T-shaped block 21, T-shaped slot 22 matched with T-shaped block 21 is formed in clamping plate 3, better limit and guiding effect can be achieved to pressing plate 5, so that the stability of pressing plate 5 when sliding on clamping plate 3 is higher, a plurality of ball bearings 23 are rotatably connected to the side of T-shaped block 21 away from pressing plate 5, and ball bearings 23 are linearly and equidistantly arranged on T-shaped block 21, so that the friction between T-shaped block 21 and the inner wall of T-shaped slot 22 can be effectively reduced, so that people can slide pressing plate 5 more easily and labor-savingly, the screw 6 is penetrated through pressing plate 5, and the screw 6 is threadedly connected with pressing plate 5, the knob 7 is fixedly connected to one end of screw 6, the knob 7 is shaped as plum blossom, so that people can rotate the knob 7 more easily and labor-savingly, the anti-skid sleeve is sleeved on the outer wall of knob 7, so that the friction between the hand of people and the knob 7 can be increased, so that the hand of people can be effectively prevented from slipping when rotating the knob 7, a plurality of insertion grooves 8 matched with screw 6 are formed in clamping plate 3, and the insertion grooves 8 are linearly and equidistantly arranged on clamping plate 3, the screw 6 is inserted into the insertion groove 8 when rotating the knob 7, so that the goods can be fixed in car body 2, so that the goods can be effectively prevented from falling in car body 2, so that better protection effect can be achieved to goods and sundry elevator.

[0026] As Figure 1 And Figure 2As shown, the driving assembly comprises a gear 9 rotatably connected inside the cavity 4, a first toothed plate 10 engagedly connected to the bottom of the outer wall of the gear 9, a second toothed plate 11 engagedly connected to the top of the outer wall of the gear 9, the first toothed plate 10 and the second toothed plate 11 are located inside the cavity 4 and are slidably connected with the inner wall of the cavity 4, one side of the top of the first toothed plate 10 is fixedly connected with symmetrical first connecting blocks 12, one side of the top of the second toothed plate 11 is fixedly connected with second connecting blocks 13, the top of the first connecting blocks 12 and the second connecting blocks 13 extends to the inside of the car body 2 and is fixedly connected with the clamping plates 3, the first connecting blocks 12 and the second connecting blocks 13 are slidably connected with the car body 2, after the articles are placed inside the car body 2, the clamping plate 3 on the left side of the car body 2 is slid, the clamping plate 3 moves while the first toothed plate 10 inside the cavity 4 can be driven to slide through the first connecting blocks 12, the first toothed plate 10 slides while the gear 9 engagedly connected therewith can be driven to rotate, the gear 9 rotates while the second toothed plate 11 engagedly connected therewith can be driven to slide synchronously, the second toothed plate 11 slides while the corresponding clamping plate 3 can be driven to move through the second connecting blocks 13, thereby realizing the synchronous movement of the two clamping plates 3 to the direction close to the articles, when the two clamping plates 3 clamp the articles, the clamping plates 3 are fixed through the limiting assembly, thereby achieving the better fixing effect on the articles.

[0027] As shown in Figure 2 , Figure 3 and Figure 5 , the limiting assembly comprises a sliding cavity 14 formed in one side of the bottom of one of the clamping plates 3, a moving block 15 slidably connected inside the sliding cavity 14, the bottom of the moving block 15 extends out of the clamping plate 3 and is fixedly connected with a tooth 16, a plurality of tooth grooves 17 matched with the tooth 16 are formed in the bottom of the inner wall of the car body 2, the top of the moving block 15 is fixedly connected with a spring 18, the upper end of the spring 18 is fixedly connected with the top of the inner wall of the sliding cavity 14, the top of one side of the moving block 15 is fixedly connected with a sliding block 19, the side away from the moving block 15 of the sliding block 19 extends out of the clamping plate 3 and is fixedly connected with a pulling block 20, and the sliding block 19 is slidably connected with the clamping plate 3, when the clamping plate 3 is moved to the direction close to the articles, the tooth 16 drives the moving block 15 to automatically move downward while compressing the spring 18 and making it in a compressed state, when the two clamping plates 3 clamp the articles, the tooth 16 is clamped with the tooth grooves 17 in the bottom of the inner wall of the car body 2 under the action of the spring 18, thereby achieving the better fixing effect on the clamping plate 3, pulling the pulling block 20 upward can drive the moving block 15 to move upward through the sliding block 19, when the tooth 16 is separated from the tooth groove 17, the two clamping plates 3 can be slid to the direction away from the articles, thereby facilitating the user to take out the articles from the inside of the car body 2.

[0028] From the above, the specific implementation manner of the utility model is as follows:

[0029] The junk elevator operates, the staff puts the goods into the car body 2, slides the clamping plate 3 on the left side of the car body 2, the clamping plate 3 moves while the first connecting block 12 can drive the first tooth plate 10 in the cavity 4 to slide, the first tooth plate 10 slides while the gear 9 connected with it rotates, the gear 9 rotates while the second tooth plate 11 connected with it synchronously slides, the second tooth plate 11 slides and moves the corresponding clamping plate 3 through the second connecting block 13, so as to realize the synchronous movement of the two clamping plates 3 to the direction close to the goods, when the two clamping plates 3 clamp the goods, the teeth 16 on the bottom of the moving block 15 will be clamped with the tooth groove 17 on the inner wall of the car body 2 under the action of the spring 18, that is, the clamping plate 3 can be fixed better, then rotate the knob 7 to make one end of the bolt 6 disengage from the slot 8 on the clamping plate 3, slide the pressing plate 5 downward to make the rubber pad 24 on the bottom of the pressing plate 5 abut against the goods, then rotate the knob 7 in the opposite direction to make one end of the bolt 6 inserted into the slot 8, then the goods can be fixed in the car body 2, at this time, the elevator can be started to transport the goods, which can effectively prevent the goods from falling in the car body 2, so as to protect the goods and the junk elevator, after the goods are transported to the designated position, pull the pull block 20 upward to drive the moving block 15 to move upward through the sliding block 19, when the teeth 16 disengage from the tooth groove 17, the two clamping plates 3 can slide away from the goods, so that the user can take out the goods from the car body 2. The above is only the preferred embodiment of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A goods elevator with a safety protection structure, comprising a wall body (1) and a car body (2), characterized in that, The bottom of the inner wall of the car body (2) is slidably connected with symmetrical clamping plates (3), the bottom of the car body (2) is provided with a cavity (4), the inside of the cavity (4) is provided with a driving assembly for moving the clamping plates (3), one of the clamping plates (3) is provided with a limiting assembly, the opposite sides of the two clamping plates (3) are slidably connected with pressing plates (5), the pressing plates (5) are all penetrated through with bolts (6), the bolts (6) are threadedly connected with the pressing plates (5), one end of the bolt (6) is fixedly connected with a knob (7), the clamping plates (3) are all provided with a plurality of insertion grooves (8) matched with the bolts (6), and the insertion grooves (8) are linearly and equidistantly distributed on the clamping plates (3).

2. The utility elevator with a safety protection structure according to claim 1, characterized in that: The driving assembly comprises a gear (9) rotatably connected in the cavity (4), a first toothed plate (10) engagedly connected to the bottom of the outer wall of the gear (9), and a second toothed plate (11) engagedly connected to the top of the outer wall of the gear (9), wherein the first toothed plate (10) and the second toothed plate (11) are both located in the cavity (4) and slidably connected with the inner wall of the cavity (4), one side of the top of the first toothed plate (10) is fixedly connected with symmetrical first connecting blocks (12), one side of the top of the second toothed plate (11) is fixedly connected with second connecting blocks (13), the tops of the first connecting blocks (12) and the second connecting blocks (13) all extend into the inside of the car body (2) and are fixedly connected with the clamping plates (3), and the first connecting blocks (12) and the second connecting blocks (13) are slidably connected with the car body (2).

3. The debris elevator with a safety protection structure according to claim 1, characterized in that: The limiting assembly comprises a sliding cavity (14) formed in one side of the bottom of one of the clamping plates (3), a moving block (15) slidably connected in the sliding cavity (14), a tooth (16) extending out of the clamping plate (3) and fixedly connected to the bottom of the moving block (15), a plurality of tooth grooves (17) matched with the tooth (16) formed in the bottom of the inner wall of the car body (2), a spring (18) fixedly connected to the top of the moving block (15), the top of the moving block (15) fixedly connected with a sliding block (19), the sliding block (19) extending out of the clamping plate (3) and fixedly connected with a pulling block (20) on the side away from the moving block (15), and the sliding block (19) slidably connected with the clamping plate (3).

4. The debris elevator with a safety protection structure according to claim 1, characterized in that: One side of the pressing plate (5) is fixedly connected with symmetrical T-shaped blocks (21), and a T-shaped groove (22) matched with the T-shaped blocks (21) is formed in the clamping plate (3).

5. The debris elevator with a safety protection structure according to claim 1, characterized in that: The bottom of the pressing plate (5) is fixedly connected with a rubber pad (24), and the bottom of the rubber pad (24) is provided with anti-skid lines.

6. A janitor's lift having a safety arrangement according to claim 4, characterized in that: A plurality of balls (23) are rotatably connected to the side away from the pressing plate (5) of the T-shaped block (21), and the balls (23) are linearly and equidistantly distributed on the T-shaped block (21).

7. The debris elevator with a safety protection structure according to claim 1, characterized in that: The knob (7) is shaped as a plum blossom, and the outer wall of the knob (7) is sleeved with an anti-skid sleeve.

Citation Information

Patent Citations

  • Safety protection device for dumb waiter

    CN219990870U