Buckle type elevator counterweight block iron box structure

Abstract

The utility model relates to the technical field of elevator balance equipment, in particular to a buckle type elevator counterweight block iron box structure which comprises a bottom box, two clamping heads and two lower sealing plates. The bottom box comprises a bottom plate, a first main plate and a second main plate, the first main plate is vertically arranged on one side of the bottom plate, and the second main plate is vertically arranged on the other side of the bottom plate. The two ends of the bottom box are each provided with a clamping head, and the clamping heads are connected with the bottom box in a buckled mode and used for sealing the two ends of the bottom box. The two clamping heads protrude out of the bottom plate. A lower sealing plate buckle is connected to the protruding position between the set of clamping heads and the bottom plate in a sealed mode. And concrete is poured in an area defined by the two lower sealing plates, the two clamping heads and the bottom box to form a counterweight block. The bottom box, the clamping head and the lower sealing plate are connected in a buckling mode, the connecting positions are free of the hidden danger of rusting, firmness and durability are achieved, and the mounting and dismounting efficiency and the working efficiency are higher.

Description

Technical Field

[0001] The utility model relates to the technical field of elevator balancing equipment, in particular to a buckle-type elevator counterweight iron box structure. Background Art

[0002] Elevator cement counterweights (also known as counterweights, balance blocks, etc.) are mainly used in elevator counterweight systems. They are made by pouring counterweight concrete materials into a manufactured iron box and solidifying them. Galvanized iron sheets are generally used to make iron boxes. The connection method between the iron sheets is welding. Due to the high temperature generated during welding, the galvanized layer of the welding point is destroyed. The iron box at the welding point is prone to rust and damage, which cannot meet the requirements of the new elevator inspection regulations TSGT7001-2023 for the lifetime warranty of elevator counterweights. In addition, the cost of welding processing is high, disassembly and assembly are inconvenient, and the efficiency is also low. Utility Model Content

[0003] In order to solve the technical defects mentioned in the above background technology, the purpose of the utility model is to provide a snap-on elevator counterweight iron box structure.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A clip-on elevator counterweight iron box structure, comprising:

[0006] A bottom box, the bottom box comprising a bottom plate, a first main plate and a second main plate, the first main plate being vertically arranged on one side of the bottom plate, and the second main plate being vertically arranged on the other side of the bottom plate;

[0007] Two clamping heads, one clamping head is provided at each end of the bottom box, and the clamping head is connected with the bottom box buckle to seal the two ends of the bottom box; the two clamping heads are both protruding from the bottom plate;

[0008] Two lower sealing plates, one of which is snap-fit ​​and sealed to a protruding position between a group of the clamps and the bottom plate; the area enclosed by the two lower sealing plates, the two clamps and the bottom box is used for pouring concrete to form a counterweight block.

[0009] By adopting the above technical scheme, the bottom box, two clamps and two lower sealing plates are enclosed into a closed area to cast the counterweight block. The connection method between the bottom box, the clamps and the lower sealing plates is a snap-on connection. There is no hidden danger of rust at the connection, it is more solid and durable, and the installation and disassembly efficiency and work efficiency are higher.

[0010] Furthermore, the clamp includes a first connection part, a second connection part and a protrusion. One end of the first connection part is snap-connected to the end of the first main board, one end of the first connection part is connected to one end of the protrusion, one end of the protrusion is connected to one end of the second connection part, and the other end of the second connection part is snap-connected to one end of the second main board. The lower ends of the first connection part, the second connection part and the protrusion are all snap-connected to the peripheral side of the lower sealing plate. It is easy to install and disassemble, which improves the processing efficiency, and the material can be removed and reused.

[0011] Furthermore, the ends of the first connecting portion and the second connecting portion away from the protruding portion are both provided with a first clamping portion in the height direction, the first clamping portion is provided as a U-shaped structure, the first clamping portion is located in the bottom box, and the opening of the first clamping portion is provided toward the side away from the bottom box. The ends of both ends of the first main board and the second main board are both provided with a first clamping plate, one end of the first clamping plate is connected to the end of the first main board or the second main board, the other end of the first clamping plate is reversely bent and spaced from the side of the first main board or the second main board. The other end of the first clamping plate passes through the opening of the first clamping portion and is located in the first clamping slot of the first clamping portion, thereby improving the efficiency of assembly.

[0012] Furthermore, a second clamping portion is horizontally arranged on the lower side of the two opposite side surfaces of the protruding portion. The second clamping portion is provided with a through second clamping slot along the length direction, and the second clamping slot is open on the outside along the length direction. The lower sealing plate is provided with a corresponding second clamping plate, one end of the second clamping plate is connected to the end of the lower sealing plate, and the other end of the second clamping plate is reversely bent toward the inner side of the lower sealing plate and clamped in the second clamping slot, thereby improving the assembly efficiency and the stability of the connection.

[0013] Furthermore, the protruding portion is configured as a U-shaped structure, and the first connecting portion, the second connecting portion and the protruding portion are integrally formed, which facilitates installation and removal and improves work efficiency.

[0014] Further, a third clamping part is provided at both ends of the bottom plate, and the third clamping part is provided with a through third clamping slot along the width direction of the bottom plate, and the inner side of the third clamping slot is open. A fourth clamping part is provided at the lower end of one side of the protruding part facing the third clamping part, and the fourth clamping part is provided with a through fourth clamping slot, and the outer side of the fourth clamping slot is open. A third clamping plate is provided at one end of the lower sealing plate connected to the third clamping part, and one end of the third clamping plate is connected to the lower sealing plate, and the other end of the third clamping plate is bent in the reverse direction and extended toward one side of the lower sealing plate, and the other end of the third clamping plate is connected to the third clamping slot. A fourth clamping plate is provided at one end of the lower sealing plate connected to the fourth clamping part, and one end of the fourth clamping plate is connected to the lower sealing plate, and the other end of the fourth clamping plate is bent in the reverse direction toward the inner side of the lower sealing plate, and the other end of the fourth clamping plate is clamped in the fourth clamping slot. It is convenient for the lower sealing plate to be clamped and installed and connected more firmly.

[0015] Furthermore, the buckle-type elevator counterweight iron box structure also includes a cover plate, two upper sealing plates and a connecting clamp. One end of the cover plate is buckled with one end of one of the upper sealing plates, and the other end of one of the upper sealing plates is buckled with the corresponding clamp. The other end of the cover plate is buckled with one end of another upper sealing plate through the connecting clamp, and the other end of the other upper sealing plate is buckled with the other opposite clamp. Six-sided packaging is convenient for storing the counterweight after casting.

[0016] Furthermore, a fifth clamping portion is provided at one end of the upper sealing plate connected to the connecting card plate, one end of the fifth clamping portion is connected to the upper sealing plate, and the other end of the fifth clamping portion is bent in the direction of the upper sealing plate to form a through fifth clamping slot. A sixth clamping portion is provided at one end of the cover plate and the connecting card plate, one end of the sixth clamping portion is connected to the cover plate, and the other end of the sixth clamping portion is bent in the direction of the upper sealing plate to form a through sixth clamping slot. The open sides of the fifth clamping slot and the sixth clamping slot are arranged in opposite directions. The connecting card plate is arranged as a C-shaped structure, one end of the connecting card plate is clamped in the fifth clamping slot, and the other end of the connecting card plate is clamped in the sixth clamping slot, so as to improve the efficiency of the sealing installation.

[0017] Furthermore, a seventh clamping portion is provided at one end of the cover plate away from the connecting clamping plate, one end of the seventh clamping portion is connected to the cover plate, and the other end of the seventh clamping portion is bent in the opposite direction toward the inner side of the cover plate to form a seventh clamping slot. The other end of the fifth clamping portion of the upper sealing plate corresponding to the seventh clamping portion is clamped in the seventh clamping slot, which has a simple structure and is easy to install and disassemble.

[0018] In summary, the beneficial effects of the utility model are:

[0019] The utility model encloses a bottom box, two clamps and two lower sealing plates into a closed area to cast a counterweight block. The bottom box, the clamps and the lower sealing plates are connected in a snap-on manner, and there is no hidden danger of rust at the connection. The connection is more firm and durable, and the installation and disassembly efficiency and work efficiency are higher. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a top view of the buckle type elevator counterweight of the utility model.

[0021] Figure 2 It is a front view of the clip-on elevator counterweight of the utility model.

[0022] Figure 3 It is a side view of the buckle type elevator counterweight of the utility model.

[0023] Figure 4 The utility model is a five-sided packaging structure of a clip-on elevator counterweight iron box. Figure 1 Schematic diagram of the cross-sectional structure of AA.

[0024] Figure 5 The utility model is a five-sided packaging structure of a clip-on elevator counterweight iron box. Figure 1 Schematic diagram of the cross-sectional structure of BB.

[0025] Figure 6 The utility model is a five-sided packaging structure of a clip-on elevator counterweight iron box. Figure 1 Schematic diagram of the cross-sectional structure of CC.

[0026] Figure 7 yes Figure 6 A magnified schematic diagram of the F structure.

[0027] Figure 8 The utility model is a five-sided packaging structure of a clip-on elevator counterweight iron box. Figure 1 Schematic diagram of the cross-sectional structure of DD.

[0028] Fig. 9 yes Figure 8 A magnified schematic diagram of the G structure in the middle.

[0029] Fig.10 The utility model is a buckle type elevator counterweight iron box structure relative to Figure 2 Schematic diagram of the cross-sectional structure of EE.

[0030] Fig.11 yes Fig.10 Enlarged schematic diagram of the H structure in the figure.

[0031] Fig.12 The utility model is a schematic diagram of the disassembled structure of the iron box structure of the clip-on elevator counterweight.

[0032] Fig.13 The utility model is a six-sided packaging structure of a clip-on elevator counterweight iron box. Figure 1 Schematic diagram of the cross-sectional structure of CC.

[0033] Fig.14 yes Fig.13 Enlarged schematic diagram of the J structure in the middle.

[0034] Fig.15 The utility model is a six-sided packaging structure of a clip-on elevator counterweight iron box. Figure 1 Schematic diagram of the cross-sectional structure of AA.

[0035] Fig.16 The utility model is a six-sided packaging structure of a clip-on elevator counterweight iron box. Figure 1 Schematic diagram of the cross-sectional structure of BB.

[0036] Fig.17 The utility model is a six-sided packaging structure of a clip-on elevator counterweight iron box. Figure 1 Schematic diagram of the cross-sectional structure of DD.

[0037] Fig.18 yes Fig.17 Enlarged schematic diagram of the M structure.

[0038] Description of reference numerals in the figures:

[0039] 1. Clip-on elevator counterweight iron box structure; 2. Bottom box; 21. Bottom plate; 22. First main board; 23. Second main board; 24. First clamping plate; 25. Third clamping part; 3. Clamping head; 31. First connecting part; 32. Second connecting part; 33. Protruding part; 34. First clamping part; 35. Second clamping part; 36. Fourth clamping part; 37. Eighth clamping plate; 38. Ninth clamping plate; 39. Tenth clamping plate; 4. Lower sealing plate; 41. Second clamping plate; 42. Third clamping plate; 43. Fourth clamping plate; 5. Cover plate; 51. Sixth clamping part; 52. Seventh clamping part; 6. Upper sealing plate; 61. Fifth clamping part; 62. Eighth clamping part; 7. Connecting clamping plate; 8. Counterweight. DETAILED DESCRIPTION

[0040] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field belong to the scope of protection of the utility model.

[0041] Those skilled in the art should understand that, in the disclosure of the present invention, the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and 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. Therefore, the above terms should not be understood as limiting the present invention.

[0042] In the description of the utility model, if there is a word description such as "several", it means one or more, and the meaning of "more" is two or more. Greater than, less than, and more than are understood to exclude the number itself, and above, below, and within are understood to include the number itself. If there is a description of the first, second, and third, it is only used to distinguish the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0043] The following is combined with Figure 1-18 , the embodiments of the utility model are further described in detail.

[0044] A snap-on elevator counterweight iron box structure 1, such as Figure 1 , Figure 2 , Figure 3 The figure shows the structure of the formed counterweight block 8. Figure 4 , Figure 5 , Figure 6 , Figure 8 , Fig.12 The clip-on elevator counterweight iron box structure 1 includes a bottom box 2, two clips 3 and two lower sealing plates 4. The bottom box 2 is set to a U-shaped structure, and a clip 3 is set at both ends of the bottom box 2. The clip 3 is clip-connected to the bottom box 2 for sealing the two ends of the bottom box 2. The two clips 3 are both protruding from the bottom plate 21. A lower sealing plate 4 is clip-sealed and connected to the protruding position between a group of clips 3 and the bottom plate 21. The area enclosed by the two lower sealing plates 4, the two clips 3 and the bottom box 2 is used for pouring concrete to form a counterweight 8. The bottom box 2, the clip 3 and the lower sealing plate 4 are all made of galvanized iron sheets, and the connection method of the three is a clip-on connection. There is no hidden danger of rust at the connection, it is more solid and durable, and the installation and disassembly efficiency and work efficiency are higher.

[0045] In this embodiment, please refer to Figure 5 , Fig.10The bottom box 2 includes a bottom plate 21, a first main board 22 and a second main board 23. The first main board 22 is vertically arranged on one side of the bottom plate 21, and the second main board 23 is vertically arranged on the other side of the bottom plate 21. The clamp head 3 includes a first connecting portion 31, a second connecting portion 32 and a protruding portion 33. The protruding portion 33 is set as a U-shaped structure, and the first connecting portion 31, the second connecting portion 32 and the protruding portion 33 are integrally formed, which is convenient for installation and removal, and improves the efficiency of work. One end of the first connecting portion 31 is snap-connected with the end of the first main board 22, one end of the first connecting portion 31 is connected to one end of the protruding portion 33, one end of the protruding portion 33 is connected to one end of the second connecting portion 32, and the other end of the second connecting portion 32 is snap-connected with one end of the second main board 23. The lower ends of the first connecting portion 31, the second connecting portion 32 and the protruding portion 33 are all snap-connected with the peripheral side of the lower sealing plate 4. It is convenient to install and remove, which improves the efficiency of processing, and the material can be removed and reused.

[0046] For details, please refer to Fig.10 , Fig.11 The ends of the first connecting portion 31 and the second connecting portion 32 away from the protruding portion 33 are both provided with a first clamping portion 34 along the height direction. The first clamping portion 34 is set as a U-shaped structure. The first clamping portion 34 is located in the bottom box 2, and the opening of the first clamping portion 34 is set to the side away from the bottom box 2. The first main board 22 and the second main board 23 are both provided with a first clamping plate 24 at both ends. One end of the first clamping plate 24 is connected to the end of the first main board 22 or the second main board 23, and the other end of the first clamping plate 24 is bent in the opposite direction and is spaced from the side of the first main board 22 or the second main board 23. The other end of the first clamping plate 24 passes through the opening of the first clamping portion 34 and is located in the first clamping slot of the first clamping portion 34, which improves the efficiency of assembly.

[0047] Please refer to Figure 6 , Figure 7 , Fig.12 A third clamping portion 25 is provided on the bottom plate 21, and a ninth clamping plate 38 is provided at the lower ends of the first connecting portion 31 and the second connecting portion 32. The ninth clamping plate 38 is clamped in the third clamping slot of the third clamping portion 25, and the structure of the ninth clamping plate 38 is the same as that of the first clamping plate 42.

[0048] Please refer to Figure 4 The specific structure of the snap-on connection between the lower sealing plate 4 and the protrusion 33 is as follows. A second clamping portion 35 is also horizontally arranged on the lower side of the two opposite side surfaces of the protrusion 33. The second clamping portion 35 is provided with a through second clamping groove along the length direction, and the second clamping groove is open on the outside along the length direction. The lower sealing plate 4 is provided with a corresponding second clamping plate 41, one end of the second clamping plate 41 is connected to the end of the lower sealing plate 4, and the other end of the second clamping plate 41 is reversely bent toward the inner side of the lower sealing plate 4, and is clamped in the second clamping groove, which improves the efficiency of assembly and the stability of connection.

[0049] Please refer to Figure 8 , Fig. 9 The specific structure of the snap-on connection between the lower sealing plate 4 and the bottom plate 21 is as follows. A third clamping portion 25 is provided at both ends of the bottom plate 21. The third clamping portion 25 is provided with a through third clamping slot along the width direction of the bottom plate 21, and the inner side of the third clamping slot is open. A fourth clamping portion 36 is provided at the lower end of the side of the protrusion 33 facing the third clamping portion 25. The fourth clamping portion 36 is provided with a through fourth clamping slot, and the outward side of the fourth clamping slot is open. A third clamping plate 42 is provided at one end of the lower sealing plate 4 connected to the third clamping portion 25. One end of the third clamping plate 42 is connected to the lower sealing plate 4. The other end of the third clamping plate 42 is bent in the opposite direction and extended toward one side of the lower sealing plate 4. The other end of the third clamping plate 42 is connected to the third clamping slot. A fourth clamping plate 43 is provided at one end of the lower sealing plate 4 connected to the fourth clamping portion 36, one end of the fourth clamping plate 43 is connected to the lower sealing plate 4, the other end of the fourth clamping plate 43 is bent in the reverse direction toward the inner side of the lower sealing plate 4, and the other end of the fourth clamping plate 43 is clamped in the fourth clamping groove, so that the lower sealing plate 4 is conveniently clamped and installed and the connection is more stable.

[0050] In the above embodiment, five surfaces of the counterweight block 8 are wrapped. If all six surfaces of the counterweight block 8 are to be wrapped, based on the above structure, please refer to Fig.13 , Fig.15 , Fig.16 , Fig.17 The clip-on elevator counterweight iron box structure 1 also includes a cover plate 5, two upper sealing plates 6 and a connecting clip plate 7. One end of the cover plate 5 is clip-connected to one end of an upper sealing plate 6, and the other end of an upper sealing plate 6 is clip-connected to the corresponding clamping head 3. The other end of the cover plate 5 is clip-connected to one end of another upper sealing plate 6 through the connecting clip plate 7, and the other end of the other upper sealing plate 6 is clip-connected to another opposite clamping head 3. Six-sided packaging is convenient for storing the counterweight 8 after pouring. The upper sealing plate 6 and the lower sealing plate 4 are arranged relative to each other, and the cover plate 5 and the bottom plate 21 are arranged relative to each other.

[0051] Please refer to Fig.14 , Fig.17 , Fig.18 A fifth clamping portion 61 is provided at one end of the upper sealing plate 6 connected to the connecting card plate 7, one end of the fifth clamping portion 61 is connected to the upper sealing plate 6, and the other end of the fifth clamping portion 61 is reversely bent in the direction of the upper sealing plate 6 to form a through fifth clamping slot. A sixth clamping portion 51 is provided at one end of the cover plate 5 and the connecting card plate 7, one end of the sixth clamping portion 51 is connected to the cover plate 5, and the other end of the sixth clamping portion 51 is reversely bent to form a through sixth clamping slot. The open sides of the fifth and sixth clamping slots are arranged in opposite directions. The connecting card plate 7 is set to a C-shaped structure, one end of the connecting card plate 7 is clamped in the fifth clamping slot, and the other end of the connecting card plate 7 is clamped in the sixth clamping slot, thereby improving the efficiency of the sealing installation.

[0052] A tenth clamping plate 39 is correspondingly disposed at the positions where the first connecting portion 31 , the second connecting portion 32 and the cover plate 5 are connected. The tenth clamping plate 39 is clamped at the corresponding position in the sixth clamping slot.

[0053] Please refer to Fig.16 The cover plate 5 is provided with a seventh clamping portion 52 at one end away from the connecting clamping plate 7, one end of the seventh clamping portion 52 is connected to the cover plate 5, and the other end of the seventh clamping portion 52 is bent in the opposite direction toward the inner side of the cover plate 5 to form a seventh clamping slot. The other end of the fifth clamping portion 61 of the upper sealing plate 6 corresponding to the seventh clamping portion 52 is clamped in the seventh clamping slot, with a simple structure and convenient installation and removal. One side of the cover plate 5 is clamped and connected to the first main board 22, and the other side of the cover plate 5 is clamped and connected to the second main board 23, which improves the stability of the installation.

[0054] Please refer to Fig.18 The end of the upper sealing plate 6 connected to the corresponding clamping head 3 is provided with an eighth clamping portion 62, one end of the eighth clamping portion 62 is connected to the upper sealing plate 6, and the other end of the eighth clamping portion 62 is reversely bent toward the inner side of the upper sealing plate 6 to form an eighth clamping slot. An eighth clamping plate 37 is provided at the inner side of the upper end of the protrusion 33 corresponding to the eighth clamping portion 62, and the eighth clamping plate 37 is vertically connected to the side of the protrusion 33. One end of the eighth clamping plate 37 is connected to the protrusion 33, and the other end of the eighth clamping plate 37 is reversely bent toward the side away from the lower sealing plate 4, and the other end of the eighth clamping plate 37 is clamped in the eighth clamping slot.

[0055] The components of the iron box of the counterweight 8 are made of galvanized sheet metal by cutting, stamping (or rolling), bending and other sheet metal processing methods to form the required U-shaped slots and shapes. The second card plate 41 of the lower sealing plate 4 is inserted into the second card slot of the card head 3 for assembly, and then the first card plate 24 corresponding to the first main board 22 is inserted into the first card slot of the corresponding first connecting part 31, and the first card plate 24 corresponding to the second main board 23 is inserted into the first card slot of the corresponding second connecting part 32, and the card head 3 is inserted. The third card plate 42 of the lower sealing plate 4 is inserted into the third card slot, and the upper sealing plate 6 and the card head 3 on one side of the bottom box 2 are assembled. The other side is assembled in the same way to assemble into a five-sided iron box.

[0056] The six-sided iron box is based on this. After the counterweight concrete is poured, the eighth clamping plate 37 is inserted into the eighth clamping slot to fix the two upper sealing plates 6 on the corresponding clamping head 3. Then, the seventh clamping plate of the upper sealing plate 6 is inserted into the seventh clamping slot to fix the cover plate 5. The sixth clamping portion 51 on the other side of the cover plate 5 is spaced apart from the fifth clamping portion 61 of the adjacent upper sealing plate 6, and the two ends of the connecting clamping plate 7 are simultaneously inserted into the corresponding fifth and sixth clamping slots, and the upper sealing plate 6 and the cover plate 5 are fixed, and finally a six-sided fully sealed counterweight 8 finished product is formed. The upper part of the six-sided iron box must have a clamping slot, but the five-sided iron box does not need it and can be directly bent into shape. Therefore, the iron box processed according to the five-sided wrapping in the figure cannot be used for the six-sided counterweight 8, while the six-sided iron box can be used for the five-sided counterweight 8.

[0057] The embodiments of this specific implementation are all preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. The same components are represented by the same figure marks. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A snap-on elevator counterweight iron box structure (1), characterized in that: include: A bottom box (2), the bottom box (2) comprising a bottom plate (21), a first main plate (22) and a second main plate (23), the first main plate (22) being vertically arranged on one side of the bottom plate (21), and the second main plate (23) being vertically arranged on the other side of the bottom plate (21); Two clamping heads (3), one clamping head (3) is provided at each end of the bottom box (2), the clamping head (3) is snap-connected with the bottom box (2) and is used to seal the two ends of the bottom box (2); the two clamping heads (3) are both protruding from the bottom plate (21); Two lower sealing plates (4), one of the lower sealing plates (4) is snap-fitted and sealed to a protruding position between a group of the clamping heads (3) and the bottom plate (21); the area enclosed by the two lower sealing plates (4), the two clamping heads (3) and the bottom box (2) is used for pouring concrete to form a counterweight block (8).

2. The clip-on elevator counterweight iron box structure (1) according to claim 1 is characterized in that: The clamping head (3) comprises a first connecting portion (31), a second connecting portion (32) and a protruding portion (33); one end of the first connecting portion (31) is snap-connected to the end of the first main board (22), one end of the first connecting portion (31) is connected to one end of the protruding portion (33), one end of the protruding portion (33) is connected to one end of the second connecting portion (32), and the other end of the second connecting portion (32) is snap-connected to one end of the second main board (23); the lower ends of the first connecting portion (31), the second connecting portion (32) and the protruding portion (33) are all snap-connected to the peripheral side of the lower sealing plate (4).

3. The clip-on elevator counterweight iron box structure (1) according to claim 2 is characterized in that: The ends of the first connecting portion (31) and the second connecting portion (32) away from the protruding portion (33) are both provided with a first clamping portion (34) along the height direction. The first clamping portion (34) is set as a U-shaped structure. The first clamping portion (34) is located in the bottom box (2), and the opening of the first clamping portion (34) is arranged toward the side away from the bottom box (2); the ends of the first main board (22) and the second main board (23) are both provided with a first clamping plate (24), one end of the first clamping plate (24) is connected to the end of the first main board (22) or the second main board (23), and the other end of the first clamping plate (24) is bent in the opposite direction and is spaced from the side of the first main board (22) or the second main board (23); the other end of the first clamping plate (24) passes through the opening of the first clamping portion (34) and is located in the first clamping slot of the first clamping portion (34).

4. The clip-on elevator counterweight iron box structure (1) according to claim 2 is characterized in that: A second clamping portion (35) is also horizontally arranged on the lower sides of the two opposite side surfaces of the protruding portion (33); the second clamping portion (35) is provided with a through second clamping groove along the length direction, and the second clamping groove is open on the outer side along the length direction; the lower sealing plate (4) is provided with a corresponding second clamping plate (41), one end of the second clamping plate (41) is connected to the end of the lower sealing plate (4), and the other end of the second clamping plate (41) is bent in the opposite direction toward the inner side of the lower sealing plate (4) and clamped in the second clamping groove.

5. The clip-on elevator counterweight iron box structure (1) according to claim 2, characterized in that: The protruding portion (33) is arranged as a U-shaped structure, and the first connecting portion (31), the second connecting portion (32) and the protruding portion (33) are arranged as an integral unit.

6. The clip-on elevator counterweight iron box structure (1) according to claim 2, characterized in that: A third clamping portion (25) is provided at both ends of the bottom plate (21), and a through third clamping groove is provided on the third clamping portion (25) along the width direction of the bottom plate (21), and the inner side of the third clamping groove is open; a fourth clamping portion (36) is provided at the lower end of the side of the protruding portion (33) facing the third clamping portion (25), and the fourth clamping portion (36) is provided with a through fourth clamping groove, and the outer side of the fourth clamping groove is open; a third clamping plate (42) is provided at one end of the lower sealing plate (4) connected to the third clamping portion (25), and the third clamping plate (42) is provided with a through fourth clamping groove. ) is connected to the lower sealing plate (4), the other end of the third clamping plate (42) is reversely bent and extended toward one side of the lower sealing plate (4), and the other end of the third clamping plate (42) is clamped and connected to the third clamping slot; the end of the lower sealing plate (4) connected to the fourth clamping portion (36) is provided with a fourth clamping plate (43), one end of the fourth clamping plate (43) is connected to the lower sealing plate (4), the other end of the fourth clamping plate (43) is reversely bent toward the inner side of the lower sealing plate (4), and the other end of the fourth clamping plate (43) is clamped in the fourth clamping slot.

7. The clip-on elevator counterweight iron box structure (1) according to claim 1, characterized in that: The snap-on elevator counterweight iron box structure (1) further comprises a cover plate (5), two upper sealing plates (6) and a connecting clamping plate (7); one end of the cover plate (5) is snap-connected to one end of one of the upper sealing plates (6), and the other end of one of the upper sealing plates (6) is snap-connected to the corresponding clamping head (3); the other end of the cover plate (5) is snap-connected to one end of another of the upper sealing plates (6) through the connecting clamping plate (7), and the other end of the other of the upper sealing plates (6) is snap-connected to the other opposite clamping head (3).

8. The clip-on elevator counterweight iron box structure (1) according to claim 7, characterized in that: A fifth clamping portion (61) is provided at one end of the upper sealing plate (6) connected to the connecting clamping plate (7), one end of the fifth clamping portion (61) is connected to the upper sealing plate (6), and the other end of the fifth clamping portion (61) is bent in the reverse direction toward the upper sealing plate (6) to form a through fifth clamping slot; a sixth clamping portion (51) is provided at one end of the cover plate (5) and the connecting clamping plate (7), one end of the sixth clamping portion (51) is connected to the cover plate (5), and the other end of the sixth clamping portion (51) is bent in the reverse direction to form a through sixth clamping slot; the open sides of the fifth clamping slot and the sixth clamping slot are arranged in opposite directions; the connecting clamping plate (7) is arranged as a C-shaped structure, one end of the connecting clamping plate (7) is clamped in the fifth clamping slot, and the other end of the connecting clamping plate (7) is clamped in the sixth clamping slot.

9. The clip-on elevator counterweight iron box structure (1) according to claim 8, characterized in that: A seventh clamping portion (52) is provided at one end of the cover plate (5) away from the connecting clamping plate (7); one end of the seventh clamping portion (52) is connected to the cover plate (5); the other end of the seventh clamping portion (52) is bent in the reverse direction toward the inner side of the cover plate (5) to form a seventh clamping groove; the other end of the fifth clamping portion (61) of the upper sealing plate (6) corresponding to the seventh clamping portion (52) is clamped in the seventh clamping groove.

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