CN219570742U

CN219570742U - Polyurethane buffer for household ladder

Info

Publication number: CN219570742U
Application number: CN202320750079.4U
Authority: CN
Inventors: 张欢; 邵剑波; 朱虹霖; 张灏
Original assignee: Zhenjiang Chaoyang Electromechanical Technology Co ltd
Current assignee: Zhenjiang Chaoyang Electromechanical Technology Co ltd
Priority date: 2023-04-07
Filing date: 2023-04-07
Publication date: 2023-08-22
Anticipated expiration: 2033-04-07

Abstract

The utility model discloses a household ladder polyurethane buffer, which comprises a polyurethane buffer pad, wherein the top of the polyurethane buffer pad is fixedly connected with a mounting groove, a threaded block is arranged in the mounting groove, two sides of the inside of the polyurethane buffer pad are respectively provided with a transmission bin, two sides of the polyurethane buffer pad are respectively provided with a rotating block, the inner side of the rotating block is fixedly connected with a worm, the inner side of the worm penetrates through the inside of the transmission bin and is movably connected with a supporting block through a bearing, the top of the supporting block is fixedly connected with the top of the inner wall of the transmission bin, the bottom of the worm is meshed with a worm wheel, the back of the worm wheel is fixedly connected with a gear, and the back of the gear is movably connected with the rear side of the inner wall of the transmission bin through the bearing. The polyurethane buffer assembling and disassembling device has the advantages that the functionality convenient to assemble and disassemble is increased, the polyurethane buffer assembling and disassembling device has the effect of quickly assembling and disassembling the polyurethane buffer, and the condition that the disassembly and the assembly of the polyurethane buffer are complicated and time-consuming and labor-consuming is prevented.

Description

Polyurethane buffer for household ladder

Technical Field

The utility model relates to the technical field of polyurethane buffers, in particular to a household ladder polyurethane buffer.

Background

The polyurethane buffer utilizes the microporous bubble structure of polyurethane material page number to absorb energy so as to achieve the purpose of buffering, and the polyurethane buffer is equivalent to a spring with multi-air-bag damping in the impact process.

The polyurethane buffer is needed to be used at the bottom of the household ladder, but most polyurethane buffers on the market in the prior art can be worn in the long-time use process, and the polyurethane buffers need to be replaced, and are usually fixed through bolts during installation, so that the polyurethane buffers are relatively tedious, time-consuming and labor-consuming to detach and install, and cannot bring convenience to users.

Therefore, the polyurethane buffer needs to be designed and modified, and the phenomenon that the disassembly and the assembly of the polyurethane buffer are complicated and time-consuming and labor-consuming is effectively prevented.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model aims to provide the household ladder polyurethane buffer, which has the advantages of convenience in mounting and dismounting the polyurethane buffer, and solves the problems that the dismounting and mounting of the polyurethane buffer are complicated, time-consuming and labor-consuming.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a household ladder polyurethane buffer, includes polyurethane buffer pad, polyurethane buffer pad's top fixedly connected with mounting groove, the inside of mounting groove is provided with the screw thread piece, the transmission storehouse has all been seted up to polyurethane buffer pad inside both sides, polyurethane buffer pad's both sides all are provided with the commentaries on classics piece, the inboard fixedly connected with worm of commentaries on classics piece, the inboard of worm runs through to the inside of transmission storehouse and has the supporting shoe through bearing swing joint, the top of supporting shoe and the top fixedly connected with of transmission storehouse inner wall, the bottom meshing of worm has the worm wheel, the back fixedly connected with gear of worm wheel, the back of gear passes through the rear side swing joint of bearing and transmission storehouse inner wall, the bottom meshing of gear has the pinion rack, the inboard fixedly connected with drive plate of pinion rack, the inboard fixedly connected with stopper of drive plate, the bottom cover of polyurethane buffer pad is equipped with the buffering base.

As the preferable one of the utility model, the inside of the buffer base is provided with a limit mechanism, the limit mechanism comprises a locating rod arranged at the left side of the buffer base, the right side of the locating rod penetrates into the polyurethane buffer pad, the inside of the locating rod is connected with a limit rod in a threaded manner, and the right side of the limit rod is fixedly connected with a fixed block.

As a preferable aspect of the present utility model, a locking rod is slidably connected to the inside of the rotating block, and the inside of the locking rod penetrates into the polyurethane buffer pad.

As preferable in the utility model, the inner wall of the rotating block is fixedly connected with a friction pad, and the inner wall of the friction pad is contacted with the surface of the clamping rod.

As the preferable mode of the utility model, the bottom of the toothed plate is fixedly connected with a sliding block, the top of the inner wall of the transmission bin is provided with a sliding groove, and the sliding block is matched with the sliding groove for use.

As the preferable mode of the utility model, clamping grooves are formed on two sides of the thread block, and the clamping grooves are matched with the limiting blocks for use.

As the preferable mode of the utility model, the left side of the inner wall of the groove of the buffer base is fixedly connected with a limit column, and the right side of the limit column penetrates into the fixed block.

As the preferable mode of the utility model, the inner side of the transmission bin is provided with an opening, the width of the opening is larger than that of the limiting block, and the opening is matched with the limiting block for use.

Compared with the prior art, the utility model has the following beneficial effects:

1. the polyurethane buffer assembling and disassembling device has the advantages that the functionality convenient to assemble and disassemble is increased, the polyurethane buffer assembling and disassembling device has the effect of quickly assembling and disassembling the polyurethane buffer, and the condition that the disassembly and the assembly of the polyurethane buffer are complicated and time-consuming and labor-consuming is prevented.

2. According to the utility model, through the arrangement of the limiting mechanism, the buffer base can be fixed in an auxiliary manner, so that the buffer base is prevented from loosening.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of a drive cartridge of the present utility model;

FIG. 3 is an enlarged view of a portion of FIG. 2A in accordance with the present utility model;

FIG. 4 is a cross-sectional view of a cushioning base of the present utility model;

FIG. 5 is an enlarged view of a portion of B of FIG. 4 in accordance with the present utility model;

fig. 6 is a perspective view of a clamping lever according to the utility model.

In the figure: 1. a polyurethane buffer pad; 2. a mounting groove; 3. a screw block; 4. a transmission bin; 5. a rotating block; 6. a worm; 7. a support block; 8. a worm wheel; 9. a gear; 10. a toothed plate; 11. a drive plate; 12. a limiting block; 13. a buffer base; 14. a limiting mechanism; 141. a positioning rod; 142. a limit rod; 143. a fixed block; 15. a clamping rod; 16. a friction pad; 17. a slide block; 18. a chute; 19. a clamping groove; 20. a limit column; 21. an opening.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 6, the household ladder polyurethane buffer provided by the utility model comprises a polyurethane buffer pad 1, wherein the top of the polyurethane buffer pad 1 is fixedly connected with a mounting groove 2, a threaded block 3 is arranged in the mounting groove 2, two sides of the inside of the polyurethane buffer pad 1 are both provided with a transmission bin 4, two sides of the polyurethane buffer pad 1 are both provided with rotating blocks 5, the inner sides of the rotating blocks 5 are fixedly connected with a worm 6, the inner sides of the worm 6 penetrate into the inside of the transmission bin 4 and are movably connected with a supporting block 7 through a bearing, the top of the supporting block 7 is fixedly connected with the top of the inner wall of the transmission bin 4, the bottom of the worm 6 is meshed with a worm wheel 8, the back of the worm wheel 8 is fixedly connected with a gear 9, the back of the gear 9 is movably connected with the back side of the inner wall of the transmission bin 4 through a bearing, the bottom of the gear 9 is meshed with a toothed plate 10, the inner sides of the toothed plate 10 are fixedly connected with a transmission plate 11, the inner sides of the transmission plate 11 are fixedly connected with a limiting block 12, and the bottom of the polyurethane buffer pad 1 is sleeved with a buffering base 13.

Referring to fig. 4, the buffer base 13 is internally provided with a limit mechanism 14, the limit mechanism 14 includes a positioning rod 141 disposed at the left side of the buffer base 13, the right side of the positioning rod 141 penetrates into the polyurethane buffer pad 1, the positioning rod 141 is internally threaded with a limit rod 142, and the right side of the limit rod 142 is fixedly connected with a fixing block 143.

As a technical optimization scheme of the utility model, the buffer base 13 can be fixed in an auxiliary way through the arrangement of the limiting mechanism 14, so that the buffer base 13 is prevented from loosening.

Referring to fig. 3, a locking rod 15 is slidably coupled to the inside of the rotation block 5, and the inside of the locking rod 15 penetrates into the polyurethane buffer pad 1.

As a technical optimization scheme of the utility model, the rotation block 5 can be limited through the arrangement of the clamping rod 15, so that the rotation block 5 is prevented from automatically rotating.

Referring to fig. 3, the inner wall of the rotary block 5 is fixedly connected with a friction pad 16, and the inner wall of the friction pad 16 is in contact with the surface of the clamping rod 15.

As a technical optimization scheme of the utility model, the friction force between the clamping rod 15 and the rotating block 5 can be effectively increased through the arrangement of the friction pad 16, and the stability of the clamping rod 15 is improved.

Referring to fig. 2, a sliding block 17 is fixedly connected to the bottom of the toothed plate 10, a sliding groove 18 is formed in the top of the inner wall of the transmission bin 4, and the sliding block 17 is matched with the sliding groove 18 for use.

As a technical optimization scheme of the utility model, the toothed plate 10 can be limited by the arrangement of the sliding block 17 and the sliding groove 18, so that the moving range of the toothed plate 10 is limited.

Referring to fig. 2, both sides of the screw block 3 are provided with a clamping groove 19, and the clamping groove 19 is matched with the limiting block 12.

As a technical optimization scheme of the utility model, the limiting block 12 can enter the inside of the threaded block 3 through the arrangement of the clamping groove 19, so that the threaded block 3 is fixed.

Referring to fig. 5, a limit post 20 is fixedly connected to the left side of the inner wall of the groove of the buffer base 13, and the right side of the limit post 20 penetrates into the fixing block 143.

As a technical optimization scheme of the utility model, the fixing block 143 can be limited by the limiting column 20, so that the rotation of the fixing block 143 is prevented.

Referring to fig. 2, an opening 21 is formed in the inner side of the transmission bin 4, the width of the opening 21 is larger than that of the limiting block 12, and the opening 21 is matched with the limiting block 12.

As a technical optimization scheme of the utility model, through the arrangement of the opening 21, the limit block 12 can completely and mechanically drive through the opening 21, and the phenomenon that the limit block 12 is blocked at the opening 21 due to the too narrow width of the opening 21 is avoided.

The working principle and the using flow of the utility model are as follows: when the buffer is used, the threaded block 3 is arranged in the mounting groove 2, then a user rotates the rotating block 5, the rotating block 5 drives the worm 6 to rotate, the worm 6 is meshed with the worm wheel 8 to drive the worm wheel 8 to move inwards, the worm wheel 8 is meshed with the gear 9 to rotate, the gear 9 is meshed with the toothed plate 10 to drive the toothed plate 10 to move inwards, the toothed plate 10 is driven by the transmission plate 11 to move inwards, the transmission plate 11 is driven by the limiting block 12 to move inwards, the limiting block 12 enters the inside of the clamping groove 19, so that the threaded block 3 is fixed, the buffer pad 1 is convenient to mount, then the buffer base 13 is arranged in the polyurethane buffer pad 1, the positioning rod 141 is inserted into the buffer base 13 and penetrates into the polyurethane buffer pad 1, the limiting rod 142 is inserted into the groove through the fixing block 143, and the positioning rod 141 is rotated to enable the positioning rod 141 to be in threaded connection with the limiting rod 142, and the buffer base 13 is fixed.

To sum up: this domestic terraced polyurethane buffer through the functionality of being convenient for installation and dismantlement, makes it possess the effect of carrying out quick assembly disassembly to polyurethane buffer, prevents that the comparatively loaded down with trivial details circumstances of wasting time and energy of urethane buffer dismantlement and installation from taking place, has solved the comparatively loaded down with trivial details problem of wasting time and energy of urethane buffer dismantlement and installation.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A household ladder polyurethane buffer, comprising a polyurethane buffer pad (1), characterized in that: the utility model discloses a polyurethane buffer pad, including polyurethane buffer pad (1), screw thread piece (3) are provided with in the top fixedly connected with mounting groove (2), transmission storehouse (4) have all been seted up to the inside both sides of polyurethane buffer pad (1), the both sides of polyurethane buffer pad (1) all are provided with commentaries on classics piece (5), the inboard fixedly connected with worm (6) of commentaries on classics piece (5), the inboard of worm (6) runs through to the inside of transmission storehouse (4) and through bearing swing joint support piece (7), the top of support piece (7) and the top fixedly connected with of transmission storehouse (4) inner wall, the bottom meshing of worm (6) has worm wheel (8), the back fixedly connected with gear (9) of worm wheel (8), the back of gear (9) is through the rear side swing joint of bearing and transmission storehouse (4) inner wall, the bottom meshing of gear (9) has pinion rack (10), the inboard fixedly connected with drive plate (11), the inside fixedly connected with support piece (11) of pinion (11), the bottom of polyurethane buffer pad (1) is equipped with stopper (13).

2. A household ladder polyurethane buffer as claimed in claim 1, wherein: the inside of buffering base (13) is provided with stop gear (14), stop gear (14) are including setting up locating lever (141) in buffering base (13) left side, the right side of locating lever (141) runs through to polyurethane buffer pad (1) inside, the inside threaded connection of locating lever (141) has gag lever post (142), the right side fixedly connected with fixed block (143) of gag lever post (142).

3. A household ladder polyurethane buffer as claimed in claim 1, wherein: the inside sliding connection of commentaries on classics piece (5) has card pole (15), the inside of card pole (15) runs through to polyurethane buffer pad (1) inside.

4. A home ladder polyurethane buffer as set forth in claim 3, wherein: the inner wall of the rotating block (5) is fixedly connected with a friction pad (16), and the inner wall of the friction pad (16) is in contact with the surface of the clamping rod (15).

5. A household ladder polyurethane buffer as claimed in claim 1, wherein: the bottom of pinion rack (10) fixedly connected with slider (17), spout (18) have been seted up at the top of transmission storehouse (4) inner wall, slider (17) and spout (18) cooperation use.

6. A household ladder polyurethane buffer as claimed in claim 1, wherein: clamping grooves (19) are formed in two sides of the thread block (3), and the clamping grooves (19) are matched with the limiting blocks (12).

7. A home ladder polyurethane buffer as claimed in claim 2, wherein: the left side fixedly connected with spacing post (20) of buffering base (13) recess inner wall, the right side of spacing post (20) runs through to the inside of fixed block (143).

8. A household ladder polyurethane buffer as claimed in claim 1, wherein: an opening (21) is formed in the inner side of the transmission bin (4), the width of the opening (21) is larger than that of the limiting block (12), and the opening (21) is matched with the limiting block (12).