Combined ladder stand

Abstract

The utility model discloses a combined ladder stand which comprises two sets of supporting rods, a pedal frame is arranged between the two sets of supporting rods, a combined mechanism is arranged between the pedal frame and the supporting rods, and the combined mechanism comprises a combined sleeve, a sliding groove, a clamping block, a sliding rod, a pressing plate, an installation rod, a clamping groove, a lock sleeve, a lock rod and a lock hole. The combined sleeve is installed on the outer side of the pedal frame, the multiple sets of sliding grooves are formed in the combined sleeve, the clamping blocks are installed in the multiple sets of sliding grooves in a sliding mode, the sliding rods are installed on the outer sides of the multiple sets of clamping blocks, the pressing plate is installed at the outer ends of the multiple sets of sliding rods, and the installation rod is installed on the outer side of the supporting rod. The combined ladder stand aims to solve the technical problems that in the prior art, a traditional combined ladder stand is complex in combination and installation, time-consuming and labor-consuming in the using process.

Description

TECHNICAL FIELD

[0001] The utility model relates to industrial equipment technical field more particularly, it relates to a combined ladder stand. BACKGROUND

[0002] In industrial equipment or construction, workers often need to use the ladder to carry out high-altitude operation, but the traditional combined ladder stand often has the problems of complex combination installation, time-consuming and laborious in the use process, the combination parts of these ladders are not simple enough in design, workers are difficult to quickly complete the installation and disassembly of the ladder stand in narrow or complex construction environment, which increases the difficulty and time cost of operation, and also may affect the engineering progress.

[0003] In addition, in the scene that needs to be frequently moved and adjusted height, such as power maintenance or indoor decoration, the fixing mode of the traditional ladder is not flexible enough, it is difficult to meet the demand of the user for quick adjustment of position, the locking and limiting design of some ladder components is not reliable enough, there are problems of loose structure or unstable fixation, which may cause hidden dangers to the use safety, and there is an urgent need for a new combined ladder stand solution that can be quickly combined, firmly locked and flexibly adjusted. SUMMARY

[0004] (I) Technical problem solved

[0005] In view of the problems existing in the prior art, the utility model provides a combined ladder stand to solve the technical problem that the traditional combined ladder stand often has the problems of complex combination installation, time-consuming and laborious in the use process mentioned in the background.

[0006] (II) Technical scheme

[0007] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a combined ladder stand, comprising a support rod, the support rod is provided with two groups and is provided with a step frame between them, a combination mechanism is arranged between the step frame and the support rod, the combination mechanism comprises a combination sleeve, a sliding groove, a clamping block, a sliding rod, a pressing plate, a mounting rod, a clamping groove, a lock sleeve, a lock rod and a lock hole, the combination sleeve is installed outside the step frame, the sliding groove is provided with a plurality of groups arranged in the combination sleeve, the clamping block is slidingly installed in the plurality of sliding grooves, the sliding rod is installed outside the plurality of clamping blocks, the pressing plate is installed at the outer end of the plurality of sliding rods, the mounting rod is installed outside the support rod, the clamping groove is provided with a plurality of groups distributed on the outer wall of the mounting rod, the lock sleeve is arranged in the combination sleeve, the lock rod is provided with a plurality of groups installed at the top end of the lock sleeve, and the lock hole is arranged on the bottom surface of the plurality of clamping blocks.

[0008] The utility model further sets up, combination cover outside is provided with the unlocking mechanism, the unlocking mechanism includes sliding cover, transmission block, screw rod, gear, rotating cover and internal tooth ring, sliding cover is installed on combination cover and is connected with lock cover fixedly, transmission block is provided with multiple groups and is installed on the outside of sliding cover, screw rod is provided with multiple groups and is rotatably installed on combination cover and is connected with multiple transmission block screw thread respectively, gear is installed at the bottom of multiple screw rod, rotating cover is rotatably installed on combination cover outer wall, internal tooth ring is installed on rotating cover top surface and is engaged with multiple gear.

[0009] The utility model further sets up, multiple press the plate inside and combination cover outer wall between connection are equipped with push spring, push spring is provided with multiple groups, and push spring can realize the automatic reset function of press plate, makes press plate can restore to the original position after operation.

[0010] The utility model further sets up, multiple press the plate inside and combination cover outer wall between connection are equipped with push spring, push spring is provided with multiple groups, and push spring can realize the automatic reset function of press plate, makes press plate can restore to the original position after operation.

[0011] The utility model further sets up, multiple press the plate inside and combination cover outer wall between connection are equipped with push spring, push spring is provided with multiple groups, and push spring can realize the automatic reset function of press plate, makes press plate can restore to the original position after operation.

[0012] The utility model further sets up, combination cover outer wall is provided with the limiting mechanism, the limiting mechanism includes positioning groove, positioning block, telescopic spring and compression cover, positioning groove is provided with multiple groups and is distributed in combination cover outer wall, positioning block is provided with multiple groups and is slidably installed on rotating cover, telescopic spring is installed on multiple positioning block top and is connected with rotating cover outer wall, compression cover is slidably installed on combination cover outer wall.

[0013] The utility model further sets up, combination cover outer wall is provided with the limiting mechanism, the limiting mechanism includes positioning groove, positioning block, telescopic spring and compression cover, positioning groove is provided with multiple groups and is distributed in combination cover outer wall, positioning block is provided with multiple groups and is slidably installed on rotating cover, telescopic spring is installed on multiple positioning block top and is connected with rotating cover outer wall, compression cover is slidably installed on combination cover outer wall.

[0014] The utility model further sets up, combination cover outer wall is provided with the limiting mechanism, the limiting mechanism includes positioning groove, positioning block, telescopic spring and compression cover, positioning groove is provided with multiple groups and is distributed in combination cover outer wall, positioning block is provided with multiple groups and is slidably installed on rotating cover, telescopic spring is installed on multiple positioning block top and is connected with rotating cover outer wall, compression cover is slidably installed on combination cover outer wall.

[0015] (Three) beneficial effects

[0016] Compared with the prior art, the utility model provides a combined ladder stand, has the following beneficial effects:

[0017] 1. The beneficial effects of the combination mechanism are to realize the quick combination and stable connection between the pedal frame and the supporting rod, through the insertion of the combination sleeve and the mounting rod, the sliding block slides along the sliding groove and is clamped into the clamping groove, the design of the pressing plate makes the operation more convenient, and the reset action of the push spring ensures that the clamping block can slide and reset flexibly, the lock sleeve pushes the lock rod to insert into the lock hole at the bottom of the clamping block, and the locking connection of the clamping block and the clamping groove is further realized, so that the stability and safety of the whole structure are improved, and the hidden danger caused by loosening in the use process is avoided.

[0018] 2. The unlocking mechanism is fixedly connected with the sliding sleeve and the lock sleeve, the screw rod is threadedly connected with the transmission block, and the gear and the inner tooth ring are in meshing connection, so that the precise control of the lock rod is realized. When the rotating sleeve is rotated, the inner tooth ring drives the gear to rotate, so that the position of the sliding sleeve is adjusted, the lock rod can be inserted into or moved out of the lock hole, the locking or unlocking operation is completed, the whole unlocking process is simple and efficient, the adjustment time is greatly reduced, and the working scene of frequent disassembly and assembly is especially suitable.

[0019] 3. The design of the limiting mechanism further improves the convenience and safety of operation. When the positioning groove is aligned with the positioning block, the positioning block is pressed into the positioning groove under the action of the telescopic spring, and preliminary limiting is realized. The positioning block is fastened by the pushing of the compression spring through the compression sleeve, so that the positioning block is fixed more firmly in the positioning groove. When the reverse operation is performed, the fixation of the positioning block can be easily released by the sliding and extrusion of the compression sleeve. Then, when the rotating sleeve is rotated, the positioning block can slide along the positioning groove against the pressure of the telescopic spring, so that the unlocking operation is completed. This design improves the limiting strength while ensuring the smoothness of the unlocking process, and provides reliable protection for the safety and flexibility of the whole combination ladder. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a whole structure schematic view of a combination ladder in the utility model.

[0021] Figure 2 It is a structure schematic view of the supporting rod and the pedal frame in a split state in the utility model.

[0022] Figure 3 It is a sectional view of the combination mechanism in the utility model.

[0023] Figure 4 It is a sectional view of the combination sleeve in the utility model.

[0024] Figure 5 It is a sectional view of the sliding sleeve in the utility model.

[0025] In the figure: 1, support rod; 2, pedal frame; 3, combined sleeve; 4, sliding groove; 5, clamping block; 6, sliding rod; 7, pressing plate; 8, mounting rod; 9, clamping groove; 10, lock sleeve; 11, lock rod; 12, lock hole; 13, sliding sleeve; 14, transmission block; 15, screw; 16, gear; 17, rotating sleeve; 18, inner tooth ring; 19, push spring; 20, non-slip pad; 21, positioning groove; 22, positioning block; 23, telescopic spring; 24, compression sleeve; 25, limiting strip; 26, compression spring. DETAILED DESCRIPTION

[0026] It should be noted that the embodiments and features in the embodiments in the present application can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0027] It should be noted that, unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as generally understood by those skilled in the art to which the present application belongs.

[0028] In the present application, unless otherwise specified, the directions used such as "up, down" are generally with respect to the directions shown in the drawings, or with respect to the vertical, perpendicular or gravitational direction; similarly, for the convenience of understanding and description, "left, right" are generally with respect to the left and right shown in the drawings; "inner, outer" refer to the inner and outer with respect to the contour of each component itself, but the above directional words are not used to limit the present application.

[0029] Please refer to Figures 1-5 A combined ladder stand, comprising a support rod 1, the support rod 1 is provided with two groups and is provided with a pedal frame 2 between them, a combination mechanism is provided between the pedal frame 2 and the support rod 1, the combination mechanism comprises a combined sleeve 3, a sliding groove 4, a clamping block 5, a sliding rod 6, a pressing plate 7, a mounting rod 8, a clamping groove 9, a lock sleeve 10, a lock rod 11 and a lock hole 12, the combined sleeve 3 is installed outside the pedal frame 2, the sliding groove 4 is provided with a plurality of groups arranged in the combined sleeve 3, the clamping block 5 is slidingly installed in the plurality of sliding grooves 4, the sliding rod 6 is installed outside the plurality of clamping blocks 5, the pressing plate 7 is installed at the outer end of the plurality of sliding rods 6, the mounting rod 8 is installed outside the support rod 1, the clamping groove 9 is provided with a plurality of groups distributed on the outer wall of the mounting rod 8, the lock sleeve 10 is arranged in the combined sleeve 3, the lock rod 11 is provided with a plurality of groups installed at the top end of the lock sleeve 10, and the lock hole 12 is arranged on the bottom surface of the plurality of clamping blocks 5.

[0030] An unlocking mechanism is provided on the outside of the combination sleeve 3, and the unlocking mechanism includes a sliding sleeve 13, a transmission block 14, a screw 15, a gear 16, a rotating sleeve 17 and an inner gear ring 18. The sliding sleeve 13 is slidably mounted on the combination sleeve 3 and is fixedly connected to the locking sleeve 10. The transmission block 14 is provided with multiple groups installed on the outside of the sliding sleeve 13, and the screw 15 is provided with multiple groups of rotations installed on the combination sleeve 3 and are respectively threadedly connected to multiple groups of transmission blocks 14. The gear 16 is installed at the bottom end of the multiple groups of screws 15, and the rotating sleeve 17 is rotatably installed on the outer wall of the combination sleeve 3. The inner gear ring 18 is installed on the top surface of the rotating sleeve 17 and meshes with the multiple groups of gears 16.

[0031] Push springs 19 are connected between the inner sides of multiple groups of pressing plates 7 and the outer walls of the combination sleeves 3. Multiple groups of push springs 19 are provided. When the pressing plates 7 are pressed, the push springs 19 are squeezed and deformed. Then, when the pressing plates 7 are released, the push springs 19 restore the pressing plates 7 by restoring their elasticity.

[0032] The inner sides of the multiple groups of card blocks 5 are engaged with the multiple groups of card slots 9. The card blocks 5 can enter or exit the card slots 9 by being pushed by the slide rod 6, thereby completing the engagement or unlocking operation.

[0033] Anti-skid pads 20 are installed on multiple groups of pedal frames 2. The anti-skid pads 20 are attached to the surface of the pedal frames 2 to provide a contact surface with a high friction coefficient, thereby reducing the possibility of sliding between the feet and the pedals.

[0034] In this embodiment, when the pedal frame 2 needs to be fixed on the support rod 1, the two sides of the pedal frame 2 are plugged into the support rod 1, and then the combination sleeve 3 is plugged into the mounting rod 8, and then the multiple sets of pressing plates 7 are pressed to push the slide rod 6 and squeeze the push spring 19 at the same time. The slide rod 6 pushes the card block 5 to slide along the slide groove 4 and then engages in the card groove 9. Then, the rotating sleeve 17 is rotated to drive the inner gear ring 18 to rotate, and the inner gear ring 18 is engaged with the multiple sets of gears 16, driving the multiple sets of gears 16 to rotate, and the gears 16 drive the screw 15 to rotate, and the multiple sets of screws 15 are threaded with the transmission block 14. The locking sleeve 10 is closed, driving the sliding sleeve 13 to push the locking sleeve 10 to move, and the locking sleeve 10 pushes the multiple sets of locking rods 11 to be inserted into the lock holes 12 set on the bottom surfaces of the multiple sets of card blocks 5, and then the rotating sleeve 17 is restricted by the limiting mechanism. When the rotating sleeve 17 needs to be unlocked, the rotating sleeve 17 is rotated in the reverse direction to drive the multiple sets of screws 15 to rotate in the reverse direction, driving the locking sleeve 10 to move downward and pull the locking rod 11 out of the lock hole 12, thereby releasing the lock of the multiple sets of card blocks 5. Subsequently, the pressing plate 7 is pushed outward by the multiple sets of push springs 19 to pull the card block 5 out of the card slot 9 through the sliding rod 6, thereby releasing the card connection to the mounting rod 8.

[0035] See also Figures 4-5As an embodiment of the limiting mechanism: the outer wall of the combined sleeve 3 is provided with a limiting mechanism, the limiting mechanism includes a positioning groove 21, a positioning block 22, an extension spring 23 and a compression sleeve 24, the positioning groove 21 is provided with multiple groups distributed on the outer wall of the combined sleeve 3, the positioning block 22 is provided with multiple groups slidingly installed on the rotating sleeve 17, the extension spring 23 is installed at the top of the multiple positioning blocks 22 and connected with the outer wall of the rotating sleeve 17, and the compression sleeve 24 is slidingly installed on the outer wall of the combined sleeve 3.

[0036] The outer wall of the combined sleeve 3 is provided with a limiting strip 25, the limiting strip 25 is provided with multiple groups and is slidingly connected with the compression sleeve 24, the limiting strip 25 limits the movement range of the compression sleeve 24 by slidingly cooperating with the compression sleeve 24, so that the compression sleeve 24 can move along a fixed track, avoiding deviation or misplacement of the compression sleeve 24.

[0037] The compression spring 26 is provided between the bottom surface of the compression sleeve 24 and the combined sleeve 3, the compression spring 26 is provided with multiple groups, the compression spring 26 pushes the compression sleeve 24 outward by elastic force, when the user applies external force to push the compression sleeve 24, the compression spring 26 is compressed and stores elastic potential energy, when the external force is removed, the compression spring 26 returns to the original state and pushes the compression sleeve 24 back to the initial position.

[0038] More specifically, when the positioning groove 21 on the outer wall of the combined sleeve 3 is aligned with the positioning block 22 in the rotating sleeve 17, the positioning block 22 is pressed into the positioning groove 21 under the action of the extension spring 23, completing the preliminary limiting and fixing, the compression sleeve 24 is pushed to slide along the limiting strip 25 by the compression spring 26, the multiple positioning blocks 22 are abutted by the inner side of the compression sleeve 24, so that the multiple positioning blocks 22 are fastened in the positioning groove 21, the compression sleeve 24 is reversely slid to extrude the multiple compression springs 26, the abutment of the multiple positioning blocks 22 is released, then the rotating sleeve 17 is rotated to overcome the force applied by the extension spring 23 to the positioning block 22, and the multiple positioning grooves 21 are provided with round corners on the outer side, so that the positioning block 22 moves in the multiple positioning grooves 21.

[0039] In summary, when the entire device is in use or running: when it is necessary to fix the pedal frame 2 on the support rod 1, plug the two sides of the pedal frame 2 with the support rod 1, then plug the combination sleeve 3 with the mounting rod 8, then press the multiple sets of pressing plates 7 to push the slide rod 6 and squeeze the push spring 19 at the same time, and push the card block 5 to slide along the slide groove 4 through the slide rod 6 and engage in the card groove 9, then rotate the rotating sleeve 17 to drive the inner gear ring 18 to rotate, the inner gear ring 18 engages with the multiple sets of gears 16, drives the multiple sets of gears 16 to rotate, the gears 16 drive the screw 15 to rotate, and the multiple sets of screws 15 and the transmission block 14 engage The screw threads cooperate to drive the sliding sleeve 13 to push the locking sleeve 10 to move. The locking sleeve 10 pushes the multiple sets of locking rods 11 to be inserted into the lock holes 12 set on the bottom surfaces of the multiple sets of card blocks 5, and then the rotating sleeve 17 is restricted by the limiting mechanism. When the rotating sleeve 17 needs to be unlocked, the rotating sleeve 17 is rotated in the reverse direction to drive the multiple sets of screws 15 to rotate in the reverse direction, driving the locking sleeve 10 to move downward and pull the locking rod 11 out of the lock hole 12, thereby releasing the lock of the multiple sets of card blocks 5. Subsequently, the pressing plate 7 is pushed outward by the multiple sets of push springs 19 to pull the card block 5 out of the card slot 9 through the sliding rod 6, thereby releasing the card connection to the mounting rod 8.

[0040] When the positioning groove 21 on the outer wall of the combination sleeve 3 is aligned with the positioning block 22 in the rotating sleeve 17, the positioning block 22 is pressed into the positioning groove 21 under the action of the telescopic spring 23, completing the preliminary limiting and fixing, and the compression sleeve 24 is pushed to slide along the limiting strip 25 by the compression spring 26, and the multiple groups of positioning blocks 22 are abutted by the inner side of the compression sleeve 24, so that the multiple groups of positioning blocks 22 are fastened in the positioning groove 21, and the compression sleeve 24 is slid in the reverse direction to squeeze the multiple groups of compression springs 26, releasing the abutment on the multiple groups of positioning blocks 22, and then the rotating sleeve 17 is rotated to overcome the force applied by the telescopic spring 23 to the positioning block 22, and the positioning block 22 is moved in the multiple groups of positioning grooves 21 through the rounded corners set on the outer sides of the multiple groups of positioning grooves 21.

[0041] In all the schemes mentioned above, the connection between the two components can be selected according to actual conditions by welding, bolt and nut connection, bolt or screw connection or other well-known connection methods, which will not be listed here one by one. In the above, all fixed connections are preferably welded. Although the embodiments of the present invention have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the attached claims and their equivalents.

Claims

1. A combined ladder comprising a support rod (1), characterized in that: The support rod (1) is provided with two groups and a pedal frame (2) is provided between them. A combination mechanism is provided between the pedal frame (2) and the support rod (1). The combination mechanism includes a combination sleeve (3), a slide groove (4), a clamping block (5), a slide rod (6), a pressing plate (7), a mounting rod (8), a clamping groove (9), a locking sleeve (10), a locking rod (11) and a locking hole (12). The combination sleeve (3) is installed on the outside of the pedal frame (2). The slide groove (4) is provided with multiple groups arranged in the combination sleeve (3). The clamping block (5) is provided in the combination sleeve (3). ) are slidably installed in multiple groups of the sliding grooves (4), the sliding rods (6) are installed on the outside of multiple groups of the card blocks (5), the pressing plates (7) are installed on the outer ends of multiple groups of the sliding rods (6), the mounting rods (8) are installed on the outside of the support rods (1), the card grooves (9) are provided with multiple groups distributed on the outer wall of the mounting rods (8), the locking sleeves (10) are provided in the combination sleeves (3), the locking rods (11) are provided with multiple groups installed on the top of the locking sleeves (10), and the locking holes (12) are provided on the bottom surfaces of multiple groups of the card blocks (5).

2. A combined ladder according to claim 1, characterized in that: An unlocking mechanism is provided on the outside of the combination sleeve (3), and the unlocking mechanism comprises a sliding sleeve (13), a transmission block (14), a screw (15), a gear (16), a rotating sleeve (17) and an inner gear ring (18). The sliding sleeve (13) is slidably mounted on the combination sleeve (3) and fixedly connected to the lock sleeve (10). The transmission block (14) is provided with multiple groups mounted on the outside of the sliding sleeve (13). The screw (15) is provided with multiple groups rotatably mounted on the combination sleeve (3) and respectively threadedly connected to the multiple groups of the transmission blocks (14). The gear (16) is mounted on the bottom ends of the multiple groups of the screw (15). The rotating sleeve (17) is rotatably mounted on the outer wall of the combination sleeve (3). The inner gear ring (18) is mounted on the top surface of the rotating sleeve (17) and meshes with the multiple groups of the gears (16).

3. A combined ladder according to claim 2, characterized in that: multiple groups A push spring (19) is connected between the inner side of the pressing plate (7) and the outer wall of the combined sleeve (3), and a plurality of groups of the push springs (19) are provided.

4. A combined ladder according to claim 3, characterized in that: multiple groups The inner side of the card block (5) is engaged with multiple groups of card slots (9).

5. A combined ladder according to claim 4, characterized in that: Anti-skid pads (20) are installed on the multiple groups of pedal frames (2).

6. A combined ladder according to claim 5, characterized in that: The outer wall of the combination sleeve (3) is provided with a limiting mechanism, and the limiting mechanism includes a positioning groove (21), a positioning block (22), a telescopic spring (23) and a compression sleeve (24). The positioning groove (21) is provided with multiple groups distributed on the outer wall of the combination sleeve (3), the positioning block (22) is provided with multiple groups slidably installed on the rotating sleeve (17), the telescopic spring (23) is installed on the top of the multiple groups of positioning blocks (22) and is connected to the outer wall of the rotating sleeve (17), and the compression sleeve (24) is slidably installed on the outer wall of the combination sleeve (3).

7. A combined ladder according to claim 6, characterized in that: The outer wall of the combination sleeve (3) is provided with a limiting strip (25), and the limiting strip (25) is provided in multiple groups and is slidably connected to the compression sleeve (24).

8. The combined ladder according to claim 7, characterized in that: A compression spring (26) is connected between the bottom surface of the compression sleeve (24) and the combination sleeve (3), and a plurality of groups of the compression springs (26) are provided.

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