Herringbone ladder with connecting seat plate

Abstract

The herringbone ladder with the connecting seat plate comprises a ladder body, the ladder body is provided with a first connecting piece and a second connecting piece, and the connecting seat plate is connected between the first connecting piece and the second connecting piece; the connecting seat plate comprises a seat plate body, a fixing piece and a limiting piece; one side of the seat plate body is rotationally connected with the first connecting piece; the fixing piece is fixed on the seat plate body and is detachably connected with the second connecting piece; the limiting piece is arranged between the seat plate body and the second connecting piece and is rotationally connected with the seat plate body and the second connecting piece; the herringbone ladder is provided with the connecting seat plate, a user can sit on the connecting seat plate when working for a long time, the connecting seat plate bears pressure and transmits the pressure to the first connecting piece and the second connecting piece at the same time, the pressure bearing capacity is greatly improved, breakage is avoided, and the safety coefficient is improved.

Description

Technical Field

[0001] This utility model belongs to the field of maintenance tools, specifically relating to an A-frame ladder with a connecting seat. Background Technology

[0002] A-frame ladders are common tools for indoor maintenance. Existing A-frame ladders consist of two hinged sections that can open and close along the hinge. A hinge connects the two sections to limit the opening and prevent excessive opening. The commonly used position is the open position. However, existing A-frame ladders present several safety hazards during use: 1. To save energy, many workers sit on the top step during extended periods of use. However, sitting on the top step places all of the worker's weight on the space between the two sections, with the entire load borne by the hinge. If the hinge cannot bear the load, there is a significant safety risk. Furthermore, the structure of the top step is not suitable for prolonged sitting. 1. This can lead to numbness in the legs due to poor blood circulation, which also poses a significant danger when using the ladder. 2. For ease of operation, workers often stand on the A-frame ladder and use their legs to move it. During this movement, it is difficult to maintain balance, and the uneven force further increases the load on the hinges. If the hinges have weakened over time, they may break, which is highly dangerous. However, both of these usage methods are indeed convenient and improve efficiency. Therefore, we considered whether improvements to the A-frame ladder could reduce these safety risks. Utility Model Content

[0003] To solve the above problems, this utility model proposes an A-frame ladder with a connecting seat, including a ladder body, a first connector and a second connector, and a connecting seat connecting the first connector and the second connector; the connecting seat includes a seat body, a fixing member and a limiting member;

[0004] One side of the seat body is rotatably connected to the first connecting piece;

[0005] The fastener is fixed to the seat body and is detachably connected to the second connector;

[0006] The limiting component is located between the seat plate body and the second connecting component and is rotatably connected to both.

[0007] A connecting seat is installed at the top of the ladder so that users can work in a seated position for extended periods, saving them energy. At the same time, the connecting seat is connected to the first and second connecting parts, replacing the hinge in the original design which restricts the opening and closing, increasing the load-bearing capacity and improving safety.

[0008] Furthermore, the fastener includes a fixed end and a force-applying end, the fixed end conforming to the shape of the second connector, and the fixed end and the second connector being detachably connected;

[0009] The force-applying end and the fixed end are connected, and the connection between the force-applying end and the fixed end is connected to the seat body.

[0010] The fixing component is used to secure the seat plate to the second connecting component. When stationary in the fixed position, the fixing component and the second connecting component are connected, and the worker can sit on the connecting seat plate. When movement is required, lifting the force-applying end disconnects the fixing component and the second connecting component, thereby hinged one end of the connecting seat plate to the first connecting component, leaving the other end free, and hinged to the limiting component in the middle. The limiting component is still hinged to the second connecting component. When moving, the limiting component and the connecting seat plate will swing with the opening and closing of the ladder body to complete the movement.

[0011] The limiting component only bears the load during movement. When the worker sits on the connecting seat, the limiting component does not bear the load, which reduces the chance of damage to the limiting component and enhances safety.

[0012] Furthermore, the fixed end is located at the bottom of the seat body, and the force-applying end extends to the outside of the seat body, with the length of the force-applying end being less than the length of the fixed end.

[0013] By semi-concealing the fasteners, errors during construction can prevent the connecting seat from being loosely fixed.

[0014] Alternatively, the fixed end is located at the bottom of the seat body, and the force-applying end extends to the outside of the seat body. The force-applying end and the fixed end are rotatably connected, and the force-applying end can move towards or away from the seat body along the horizontal plane.

[0015] That is, the force-applying end can be pressed against the side of the seat body. When the fixing part and the second connecting part are connected, rotate the force-applying end to the position pressed against the side of the seat body. When it is necessary to disconnect the second connecting part and the fixing part, rotate the force-applying end to the same straight line as the fixing end, and lift the force-applying end to disconnect the entire fixing part and the second connecting part.

[0016] Furthermore, the limiting component includes a first fixing ring and a second fixing ring, the first fixing ring and the second connecting member are connected, the first fixing ring and the seat plate body are hinged, and a support rod is integrally connected between the first fixing ring and the second fixing ring.

[0017] There are two limiting components on both sides of the seat body, which are respectively connected to the second connecting component.

[0018] Furthermore, the second fixing ring is hinged at the center of the seat plate body; when the seat plate and the second connecting member are connected, the limiting member is parallel to the line connecting the first connecting member and the second connecting member; when the seat plate and the second connecting member are disassembled, the seat plate and the limiting member rotate symmetrically upward to the vertical direction.

[0019] Furthermore, the seat body includes a top plate, two long side plates and two short side plates; the two long side plates and the two short side plates are all perpendicularly connected to the edge of the top plate; one end of the two long side plates is provided with a hinge hole, which is hinged to the first connecting member; the other end of the two long side plates is provided with a slot and a second connecting member for engagement, and a fixing member is fixed to the short side plate near the second connecting member.

[0020] Alternatively, the seat body includes a top plate, one end of which is provided with a connecting cylinder and a first connecting piece, and the other end is provided with a baffle and a fixing piece. Two side plates are provided on the two sides perpendicular to the first connecting piece, and a horizontal axis and a limiting piece are hinged at the center of the side plates.

[0021] Preferably, the top of the seat is provided with a soft layer to prevent numbness caused by poor blood circulation in the legs due to prolonged sitting.

[0022] Preferably, the upper surface of the top plate is designed to conform to the contour of the human buttocks, thereby improving the comfort of the connecting seat.

[0023] Furthermore, a buffer is provided between the limiting member and the second connecting member, and the buffer is connected to both of them respectively; when the limiting member rotates, the buffer provides resistance to the limiting member.

[0024] When moving the ladder, workers may apply uneven force to the limiting components, which will cause a load on the hinge joints. At this time, the buffer will impede the force received by the limiting components, thus reducing the load on the limiting components and allowing the ladder to move slowly. Although this reduces the moving speed, it greatly improves safety, reduces damage to the limiting components, and extends their service life.

[0025] Furthermore, a buffer is also provided at the hinge between the limiting member and the seat body.

[0026] Furthermore, the buffer may include friction blocks or springs; other structures that can act as a buffer may also be provided.

[0027] Furthermore, the bottom of the ladder includes four support legs, each with an extended surface to increase the area of ​​the support legs and facilitate balance during movement.

[0028] The beneficial effects of this utility model are as follows:

[0029] (1) The A-frame ladder of this utility model is equipped with a connecting seat plate. Users can sit on the connecting seat plate when working for a long time. The connecting seat plate bears the pressure and transmits the pressure to the first connecting piece and the second connecting piece. The pressure bearing capacity is greatly improved, and it will not break, thus improving the safety factor.

[0030] (2) The A-frame ladder of this utility model has a buffer component in the limiting component to reduce the force borne by the limiting component when moving, and at the same time reduce the speed of movement, making it easier to maintain balance when moving and reducing the danger.

[0031] (3) The A-frame ladder of this utility model can be used in a seated position, which improves comfort and saves physical strength. At the same time, there is no danger in using the A-frame ladder directly on the ladder when the ladder is moved slightly, which improves convenience. Attached Figure Description

[0032] The accompanying drawings, which are provided to further illustrate this application and form part of this application, illustrate exemplary embodiments of this application and are used to explain this application, but do not constitute an undue limitation of this application.

[0033] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model;

[0034] Figure 2 This is a schematic diagram of the connecting seat structure of this utility model;

[0035] Figure 3 This is a schematic diagram of the fastener structure according to another embodiment of the present invention;

[0036] Figure 4 This is a schematic diagram of another state of the fastener according to another embodiment of the present invention;

[0037] Figure 5 This is a schematic diagram of the limiting component structure in an embodiment of the present utility model;

[0038] In the attached drawings: 1-ladder body, 11-first connector, 12-second connector, 2-connecting seat plate, 21-seat plate body, 211-top plate, 212-long side plate, 213-short side plate, 214-hinge hole, 215-slot, 216-horizontal axis, 217-soft layer, 22-fixing member, 221-fixed end, 222-force-applying end, 23-limiting member, 231-first fixing ring, 232-second fixing ring, 233-support rod, 24-buffer. Detailed Implementation

[0039] To more clearly illustrate the overall concept of this application, a detailed explanation is provided below with reference to the accompanying drawings.

[0040] Many specific details are set forth in the following description in order to provide a full understanding of this application. However, this application may also be implemented in other ways different from those described herein. Therefore, the scope of protection of this application is not limited to the specific embodiments disclosed below.

[0041] Furthermore, it should be understood in the description of this application that the terms "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

[0042] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a communication connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0043] In this application, unless otherwise expressly specified and limited, the "above" or "below" of the second feature can mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. In the description of this specification, references to terms such as "an embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described can be combined in any suitable manner in one or more embodiments or examples.

[0044] A type of A-frame ladder with a connecting seat 2 includes a ladder body 1, the ladder body 1 is provided with a first connector 11 and a second connector 12, and a connecting seat 2 is connected between the first connector 11 and the second connector 12; the connecting seat 2 includes a seat body 21, a fixing member 22 and a limiting member 23.

[0045] One side of the seat body 21 is rotatably connected to the first connecting piece 11;

[0046] The fastener 22 is fixed to the seat body 21 and is detachably connected to the second connector 12;

[0047] The limiting member 23 is located between the seat body 21 and the second connecting member 12 and is rotatably connected to both.

[0048] A connecting seat 2 is provided on the top of the ladder 1 so that users can work in a seated position for a long time, which helps save energy. At the same time, the connecting seat 2 is connected to the first connecting piece 11 and the second connecting piece 12, replacing the hinge in the original design which restricts the opening and closing, increasing the load-bearing capacity and improving safety.

[0049] In one specific embodiment, such as Figure 1-2 As shown, the fastener 22 includes a fixed end 221 and a force-applying end 222. The fixed end 221 conforms to the shape of the second connector 12, and the fixed end 221 and the second connector 12 are detachably connected.

[0050] The force-applying end 222 is connected to the fixed end 221, and the connection between the force-applying end 222 and the fixed end 221 is connected to the seat body 21.

[0051] The fixing member 22 is used to fix the seat plate 2 to the second connecting member 12. When it is stationary in the fixed position, the fixing member 22 and the second connecting member 12 are connected, and the staff can sit on the connecting seat plate 2. When it needs to be moved, the force-applying end 222 is lifted to disconnect the fixing member 22 and the second connecting member 12, so that one end of the connecting seat plate 2 is hinged to the first connecting member 11, the other end is free, the middle part is hinged to the limiting member 23, and the limiting member 23 is still hinged to the second connecting member 12. When moving, the limiting member 23 and the connecting seat plate 2 will swing with the opening and closing of the ladder 1 to complete the moving action.

[0052] The limiting component 23 only bears the load during movement. When the staff sits on the connecting seat plate 2, the limiting component 23 does not bear the load, which reduces the probability of damage to the limiting component 23 and enhances safety.

[0053] In one specific embodiment, such as Figure 1-2 As shown, the fixed end 221 is located at the bottom of the seat body 21, and the force-applying end 222 extends to the outside of the seat body 21. The length of the force-applying end 222 is less than the length of the fixed end 221.

[0054] The semi-concealed design of the fastener 22 can prevent errors during construction from causing the connecting seat plate 2 to be unstable.

[0055] In another specific embodiment, such as Figure 3-4 As shown, the fixed end 221 is located at the bottom of the seat body 21, and the force-applying end 222 extends to the outside of the seat body 21. The force-applying end 222 and the fixed end 221 are rotatably connected. The force-applying end 222 can move away from or towards the seat body 21 along the horizontal plane.

[0056] That is, the force-applying end 222 can be close to the side of the seat body 21. When the fixing member 22 and the second connecting member 12 are connected, the force-applying end 222 is rotated to the position close to the side of the seat body 21. When it is necessary to disconnect the second connecting member 12 and the fixing member 22, the force-applying end 222 is rotated to the same straight line as the fixing end 221, and the force-applying end 222 is lifted to disconnect the entire fixing member 22 and the second connecting member 12.

[0057] In one specific embodiment, such as Figure 5 As shown, the limiting member 23 includes a first fixing ring 231 and a second fixing ring 232. The first fixing ring 231 and the second connecting member 12 are connected. The first fixing ring 231 and the seat body 21 are hinged. A support rod 233 is integrally connected between the first fixing ring 231 and the second fixing ring 232.

[0058] Two limiting members 23 are provided on both sides of the seat body 21 and are respectively connected to the second connecting member 12.

[0059] In one specific embodiment, the second fixing ring 232 is hinged at the center of the seat body 21; when the seat 2 and the second connecting member 12 are connected, the limiting member 23 is parallel to the line connecting the first connecting member 11 and the second connecting member 12; when the seat 2 and the second connecting member 12 are disassembled, the seat 2 and the limiting member 23 rotate symmetrically upward to the vertical direction.

[0060] In one specific embodiment, such as Figure 2 As shown, the seat body 21 includes a top plate 211, two long side plates 212 and two short side plates 213; the two long side plates 212 and the two short side plates 213 are all perpendicularly connected to the edge of the top plate 211; one end of the two long side plates 212 is provided with a hinge hole 214, which is hinged to the first connecting member 11; the other end of the two long side plates 212 is provided with a slot 215 that engages with the second connecting member 12, and a fixing member 22 is fixed to the short side plate 213 near the second connecting member 12;

[0061] In another specific embodiment, the seat body 21 includes a top plate 211. One end of the top plate 211 is provided with a connecting cylinder and a first connecting member 11 sleeved together, and the other end is provided with a baffle and a fixing member 22 connected together. Two side plates are provided on the two sides perpendicular to the first connecting member 11. A horizontal shaft 216 and a limiting member 23 are hinged at the center of the side plate.

[0062] In a preferred embodiment, such as Figure 1 As shown, the top of the seat is provided with a soft layer 217 to prevent numbness caused by poor blood circulation in the legs due to prolonged sitting.

[0063] In a preferred embodiment, the upper surface of the top plate 211 is designed to conform to the contour of the human buttocks, thereby improving the comfort of the connecting seat plate 2.

[0064] In one specific embodiment, a buffer 234 is provided between the limiting member 23 and the second connecting member 12, and the buffer 234 is connected to both of them respectively; when the limiting member 23 rotates, the buffer 234 provides resistance to the limiting member 23.

[0065] When moving ladder 1, the staff will apply uneven force to the limiting member 23. There will be a load at the hinge of the limiting member 23. At this time, the buffer member 234 will hinder the force received by the limiting member 23 and play a buffering role to reduce the load on the limiting member 23, so that the ladder 1 moves slowly. Although the moving speed is reduced, the safety is greatly improved, the damage to the limiting member 23 is reduced, and the service life is increased.

[0066] In one specific embodiment, such as Figure 2 As shown, a buffer 234 is also provided at the hinge between the limiting member 23 and the seat body 21.

[0067] In one specific embodiment, the buffer 234 includes a friction block or a spring; other structures that can act as a buffer may also be provided.

[0068] Furthermore, the bottom of the ladder 1 includes four support legs, each with an extended surface to increase the area of ​​the support legs and facilitate maintaining balance during movement.

[0069] For any parts not mentioned in this application, existing technologies may be used or referenced.

[0070] The various embodiments in this specification are described in a progressive manner. The same or similar parts between the various embodiments can be referred to each other. Each embodiment focuses on describing the differences from other embodiments.

[0071] The above description is merely an embodiment of this application and is not intended to limit the scope of this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the scope of the claims of this application.

Claims

1. A ladder with connected seats, comprising a ladder body, characterized in that, The ladder body is provided with a first connecting piece and a second connecting piece, and a connecting seat plate is connected between the first connecting piece and the second connecting piece; the connecting seat plate comprises a seat plate body, a fixing piece and a limiting piece; One side of the seat plate body is rotationally connected with the first connecting piece; The fixing piece is fixed to the seat plate body and detachably connected with the second connecting piece; The limiting piece is arranged between the seat plate body and the second connecting piece and rotationally connected with both.

2. A herringbone ladder with connecting seats according to claim 1, characterized in that The fixing piece comprises a fixed end and a force applying end, the fixed end is arranged in conformity with the shape of the second connecting piece, and the fixed end is detachably connected with the second connecting piece; The force applying end is connected with the fixed end, and the connecting position of the force applying end and the fixed end is connected with the seat plate body.

3. A herringbone ladder with connecting seats according to claim 2, characterized in that The fixed end is arranged at the bottom of the seat plate body, the force applying end extends to the outside of the seat plate body, and the length of the force applying end is less than the length of the fixed end.

4. A ladder with attached seats according to claim 2, wherein The fixed end is arranged at the bottom of the seat plate body, the force applying end extends to the outside of the seat plate body, and the force applying end and the fixed end are rotationally connected, and the force applying end can be moved along the horizontal plane to approach or move away from the seat plate body.

5. The ladder with attached seats according to claim 1, wherein, The limiting piece comprises a first fixing ring and a second fixing ring, the first fixing ring is connected with the second connecting piece, the first fixing ring is hinged with the seat plate body, and a support rod is integrally connected between the first fixing ring and the second fixing ring.

6. A ladder with attached seats according to claim 5, wherein, The second fixing ring is hinged at the center position of the seat plate body; when the connecting seat plate is connected with the second connecting piece, the limiting piece is parallel to the connecting line of the first connecting piece and the second connecting piece; when the connecting seat plate is detached from the second connecting piece, the connecting seat plate and the limiting piece are symmetrically rotated upward along the vertical direction.

7. The herringbone ladder with attached seats according to claim 1, wherein, The seat plate body comprises a top plate, two long side plates and two short side plates; the two long side plates and the two short side plates are perpendicularly connected with the edges of the top plate; one end of the two long side plates is provided with a hinge hole, and the hinge hole is hinged with the first connecting piece; the other end of the two long side plates is provided with a clamping groove, and the second connecting piece is clamped in the clamping groove; the short side plate close to the second connecting piece is fixed with the fixing piece.

8. The ladder with attached seats according to claim 1, wherein, A buffer piece is arranged between the limiting piece and the second connecting piece, and the buffer piece is connected with both; when the limiting piece rotates, the buffer piece provides resistance to the limiting piece.

9. A ladder with attached seats according to claim 8, wherein, The buffer piece is also arranged between the limiting piece and the seat plate body.

10. A ladder with attached seats according to claim 8, wherein, The buffer piece comprises a friction block or a spring.

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