Handrail strap regulator

Abstract

The utility model provides a handrail belt adjuster, and relates to the technical field of handrail belt adjusting.The handrail belt adjuster comprises a supporting plate, two supporting shafts are fixedly installed on one side of the supporting plate, first guide wheels are arranged on the outer surfaces of the two supporting shafts through bearing sleeves, and limiting pieces located above the first guide wheels are installed at the top of one side of the supporting plate; the limiting piece is used for limiting the hand strap; the limiting piece comprises a connecting piece installed on the supporting plate, the connecting piece is connected with a limiting base, and baffles are arranged on the two sides of the limiting base. Through the arrangement of the limiting seat and the baffle, the limiting seat and the baffle are matched with each other, so that the handrail belt can be effectively limited, the situation that the handrail belt is separated from the adjuster under the tension change or abnormal condition is reduced, and therefore the safety accident risk caused by falling of the handrail belt is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of handrail adjustment, in particular to an handrail adjuster. Background Art

[0002] As an indispensable vertical transportation equipment in modern buildings, escalators are widely used in public places such as shopping malls, airports, and subways, providing great convenience for people's daily travel. As an important component of escalators, handrails not only provide support and stability for passengers, but also ensure their safety and comfort during the movement.

[0003] However, during actual operation, the handrail may separate from the handrail adjuster due to uneven tension, wear, or improper installation. This not only affects the normal operation of the escalator but also poses a threat to passenger safety. Therefore, we have proposed an improvement to this problem and proposed a handrail adjuster. Summary of the Invention

[0004] The purpose of the utility model is to solve the existing problem of separation between the handrail belt and the handrail belt adjuster.

[0005] In order to achieve the above-mentioned purpose of the invention, the present invention provides an armrest adjuster to improve the above-mentioned problem.

[0006] The specific application is as follows:

[0007] A handrail adjuster comprises a support plate, two support shafts are fixedly mounted on one side of the support plate, the outer surfaces of the two support shafts are provided with a first guide wheel through a bearing sleeve, a limit member located above the first guide wheel is mounted on the top of one side of the support plate, and the limit member is used to limit the handrail; the limit member comprises a connecting member mounted on the support plate, the connecting member is connected to the limiting seat, and baffles are provided on both sides of the limiting seat.

[0008] As a preferred technical solution of the present application, a groove is provided at the bottom of each of the two baffles, and the inner wall of the groove is plugged into the end of the support shaft.

[0009] As a preferred technical solution of the present application, the connecting member includes a support seat fixedly mounted on a support plate, a first screw rod is threadedly connected to the support seat, the bottom end of the first screw rod is connected to a connecting plate through a bearing, and the baffle and the limit seat are fixedly connected to the connecting plate.

[0010] As a preferred technical solution of the present application, a limiting rod is fixedly installed on the top of the connecting plate, and the top end of the limiting rod passes through the support seat.

[0011] As a preferred technical solution of the present application, an adjustment mechanism located between the two support shafts is provided on one side of the support plate, and the adjustment mechanism is located below the two support shafts.

[0012] As a preferred technical solution of the present application, the adjustment mechanism includes a bearing seat fixedly mounted on a support plate, bearing plates are fixedly connected on both sides of the bearing seat, a support frame is slidably connected between the two bearing plates, a nut is installed on one side of the support frame, a connecting screw is provided between the other side of the support frame and the nut, and the outer surface of the connecting screw is provided with a second guide wheel located in the support frame.

[0013] As a preferred technical solution of the present application, a second screw rod is threadedly connected to the bearing seat, and one end of the second screw rod is connected to the support frame through a bearing.

[0014] As a preferred technical solution of the present application, a slide groove is provided on the bearing plate, a slider is slidably connected in the slide groove, and the slider is fixedly mounted on the side of the support frame.

[0015] As a preferred technical solution of the present application, a mounting portion is provided at the bottom of the support plate.

[0016] As a preferred technical solution of the present application, the mounting portion includes a mounting seat fixedly connected to the support plate, and a plurality of mounting holes are provided on the mounting seat.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] In the scheme of this application:

[0019] In order to solve the problem of separation between the armrest belt and the armrest belt adjuster in the prior art, the present application sets a limit seat and a baffle. The limit seat and the baffle cooperate with each other to effectively limit the armrest belt, reducing the separation of the armrest belt from the adjuster under tension changes or abnormal conditions, thereby reducing the risk of safety accidents caused by the armrest belt falling off. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A schematic diagram of the structure of the handrail adjuster provided for this application;

[0021] Figure 2 A schematic diagram of the front structure of the handrail adjuster provided in this application;

[0022] Figure 3 A schematic diagram of the structure of the handrail adjuster provided in this application after the baffle is raised;

[0023] Figure 4 This is a schematic diagram of the structure of the adjustment mechanism of the armrest belt adjuster provided in this application.

[0024] Indicated in the figure:

[0025] 1, mounting seat; 101, support plate; 102, mounting hole;

[0026] 2, support shaft; 201, first guide wheel;

[0027] 3, support seat; 301, connecting plate; 302, baffle; 303, limiting seat; 304, first screw; 305, limiting rod; 306, groove;

[0028] 4, adjusting mechanism; 401, bearing seat; 402, bearing plate; 403, support frame; 404, second screw; 405, nut; 406, connecting screw; 407, second guide wheel; 408, sliding slot; 409, sliding block. DETAILED DESCRIPTION

[0029] In order to make the person skilled in the art better understand the technical scheme of the present application, the technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by the person skilled in the art without creative labor should belong to the scope of protection of the present application.

[0030] As described in the background, in actual operation, the handrail belt may be separated from the handrail belt adjuster due to uneven tension, wear or improper installation, which not only affects the normal operation of the escalator, but also may pose a threat to the safety of passengers.

[0031] In order to solve this technical problem, the present application provides a handrail belt adjuster.

[0032] Specifically, please refer to Figures 1-3 , the handrail belt adjuster specifically comprises:

[0033] The support plate 101 is fixedly installed with two support shafts 2 on one side, the outer surfaces of the two support shafts 2 are both provided with a first guide wheel 201 through a bearing, and the top of the one side of the support plate 101 is installed with a limiting piece above the first guide wheel 201, which is used for limiting the handrail belt; the limiting piece comprises a connecting piece installed on the support plate 101, the connecting piece is connected with a limiting seat 303, and the two sides of the limiting seat 303 are both provided with a baffle 302.

[0034] The handrail belt adjuster provided by the utility model, the limiting seat 303 and the baffle 302 are matched with each other, the limiting seat 303 and the baffle 302 can effectively limit the handrail belt, the handrail belt is separated from the adjuster under the condition of tension change or abnormality, and therefore the safety accident risk caused by the handrail belt falling off is reduced.

[0035] In order for those skilled in the art to better understand the utility model scheme, the technical scheme in the utility model embodiment will be clearly and completely described below in combination with the drawings.

[0036] It should be noted that the embodiments in the utility model and the features and technical schemes in the embodiments can be combined with each other without conflict.

[0037] It should be noted that: similar signs and letters represent similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0038] Embodiment 1, please refer to Figures 1-3 A handrail belt adjuster, comprising a support plate 101, two support shafts 2 are fixedly installed on one side of the support plate 101, the outer surfaces of the two support shafts 2 are both provided with a first guide wheel 201 through a bearing, a limiting piece is installed on the top of the one side of the support plate 101 and located above the first guide wheel 201, and the limiting piece is used for limiting the handrail belt; the limiting piece comprises a connecting piece installed on the support plate 101, the connecting piece is connected with a limiting seat 303, and baffles 302 are arranged on the two sides of the limiting seat 303; the limiting seat 303 and the baffle 302 are matched with each other, the limiting seat 303 and the baffle 302 can effectively limit the handrail belt, the handrail belt is separated from the adjuster under the condition of tension change or abnormality, and therefore the safety accident risk caused by the handrail belt falling off is reduced.

[0039] Further, as shown in Figure 2 and Figure 3 The bottoms of the two baffles 302 are both provided with grooves 306, the inner walls of the grooves 306 are inserted with the end portions of the support shafts 2, and the baffles 302 can avoid the support shafts 2 due to the arrangement of the grooves 306.

[0040] Embodiment 2, the handrail belt adjuster provided in embodiment 1 is further optimized, and specifically, as shown in Figures 1-3As shown, the connecting piece comprises a support seat 3 fixedly installed on the support plate 101, a first lead screw 304 is threadedly connected to the support seat 3, the bottom end of the first lead screw 304 is connected with a connecting plate 301 through a bearing, a baffle 302 and a limiting seat 303 are fixedly connected with the connecting plate 301, the connecting plate 301 can be lifted by rotating the first lead screw 304, and the baffle 302 and the limiting seat 303 can be arranged to approach or move away from the first guide wheel 201, which facilitates the connection of the handrail belt and the first guide wheel 201 when the baffle 302 and the limiting seat 303 move away from the first guide wheel 201.

[0041] Further, as shown in Figure 1 The top of the connecting plate 301 is fixedly installed with a limiting rod 305, the top end of the limiting rod 305 penetrates through the support seat 3, and the limiting rod 305 can limit the connecting plate 301 to improve the stability of the movement of the connecting plate 301.

[0042] In embodiment 3, the handrail belt adjuster provided in embodiment 1 or 2 is further optimized, and specifically, as shown in Figures 1-4 One side of the support plate 101 is provided with an adjusting mechanism 4 located between the two support shafts 2, and the adjusting mechanism 4 is located below the two support shafts 2.

[0043] Further, as shown in Figure 4 The adjusting mechanism 4 comprises a bearing seat 401 fixedly installed on the support plate 101, both sides of the bearing seat 401 are fixedly connected with a bearing plate 402, a support frame 403 is slidingly connected between the two bearing plates 402, one side of the support frame 403 is installed with a nut 405, the other side of the support frame 403 is provided with a connecting screw rod 406 between the nut 405, the outer surface of the connecting screw rod 406 is sleeved with a second guide wheel 407 located in the support frame 403, one end of the connecting screw rod 406 close to the nut 405 is provided with a thread, the part of the connecting screw rod 406 corresponding to the second guide wheel 407 is smoothly arranged, and the second guide wheel 407 can be removed after the connecting screw rod 406 is unscrewed; the bearing seat 401 and one of the bearing plates 402 are connected with the support plate 101 through bolts, and the adjusting mechanism 4 can be removed from the support plate 101 after the bolts are unscrewed.

[0044] Further, as shown in Figure 4 The bearing seat 401 is threadedly connected with a second lead screw 404, one end of the second lead screw 404 is connected with the support frame 403 through a bearing, the second lead screw 404 can drive the support frame 403 to move, so as to adjust the distance between the second guide wheel 407 and the first guide wheel 201, and further realize the adjustment of the tension of the handrail belt.

[0045] Further, as shown in Figure 4As shown, the bearing plate 402 is provided with a sliding groove 408, and the sliding groove 408 is slidably connected with a sliding block 409, the sliding block 409 is fixedly installed on the side of the support frame 403, and the sliding groove 408 and the sliding block 409 are matched to limit the support frame 403, thereby improving the stability of the movement of the support frame 403.

[0046] Further, the bottom of the support plate 101 is provided with a mounting portion.

[0047] Further, as shown, Figure 1 As shown, the mounting portion comprises a mounting seat 1 fixedly connected with the support plate 101, and a plurality of mounting holes 102 are arranged on the mounting seat 1, and the mounting holes 102 are matched with the mounting seat 1 and used for mounting the support plate 101.

[0048] The use process of the handrail belt adjuster is as follows:

[0049] Rotating the first screw rod 304 drives the connecting plate 301 to move towards the support seat 3, and the handrail belt passes through the top of the two first guide wheels 201 and the bottom of the second guide wheel 407, rotating the first screw rod 304 drives the connecting plate 301 to move towards the first guide wheel 201, so that the support shaft 2 and the groove 306 are inserted together, at this time, the handrail belt is limited by the baffle 302 and the limiting seat 303, and then the second screw rod 404 is rotated to drive the support frame 403 to drive the second guide wheel 407 to ascend and descend, so that the tension of the handrail belt is adjusted.

[0050] In the utility model, unless another definite provision and limitation, the terms "mounting", "connecting", "connecting", "fixing" and the like terms should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electric connection or each other can communicate;Can be directly connected, also can be indirectly connected through intermediate medium, can be the communication of two elements or the interaction relationship of two elements, unless another definite limitation. For ordinary skilled in the art, the above-mentioned terms in the utility model can be understood according to the specific meaning of the specific circumstances.

[0051] Obviously, the above-described embodiments are only a part of the embodiments of the present application, rather than all the embodiments, and the preferred embodiments of the present application are given in the drawings, but do not limit the patent scope of the present application. The present application can be realized in many different forms, and conversely, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing specific embodiments, or equivalently replace some of the technical features. Any equivalent structure made by using the content of the present application specification and drawings, directly or indirectly used in other related technical fields, is also within the patent protection scope of the present application.

Claims

1. An armrest adjuster, characterized in that: The handrail comprises a support plate (101), two support shafts (2) are fixedly mounted on one side of the support plate (101), the outer surfaces of the two support shafts (2) are provided with first guide wheels (201) through bearing sleeves, a limiting member located above the first guide wheel (201) is mounted on the top of one side of the support plate (101), and the limiting member is used to limit the position of the handrail; the limiting member comprises a connecting member mounted on the support plate (101), the connecting member is connected to a limiting seat (303), and baffles (302) are provided on both sides of the limiting seat (303).

2. The handrail adjuster according to claim 1, characterized in that: The bottoms of the two baffles (302) are each provided with a groove (306), and the inner wall of the groove (306) is plugged into the end of the support shaft (2).

3. The handrail adjuster according to claim 2, characterized in that: The connecting member comprises a support seat (3) fixedly mounted on a support plate (101); a first screw rod (304) is threadedly connected to the support seat (3); the bottom end of the first screw rod (304) is connected to a connecting plate (301) via a bearing; and the baffle (302) and the limiting seat (303) are both fixedly connected to the connecting plate (301).

4. The handrail adjuster according to claim 3, characterized in that: A limiting rod (305) is fixedly mounted on the top of the connecting plate (301), and the top end of the limiting rod (305) passes through the supporting seat (3).

5. The handrail adjuster according to claim 4, characterized in that: An adjustment mechanism (4) located between the two support shafts (2) is provided on one side of the support plate (101), and the adjustment mechanism (4) is located below the two support shafts (2).

6. The handrail adjuster according to claim 5, characterized in that: The adjustment mechanism (4) comprises a bearing seat (401) fixedly mounted on a support plate (101), bearing plates (402) being fixedly connected to both sides of the bearing seat (401), a support frame (403) being slidably connected between the two bearing plates (402), a nut (405) being mounted on one side of the support frame (403), a connecting screw (406) being arranged between the other side of the support frame (403) and the nut (405), and a second guide wheel (407) located in the support frame (403) being sleeved on the outer surface of the connecting screw (406).

7. The handrail adjuster according to claim 6, characterized in that: A second screw rod (404) is threadedly connected to the bearing seat (401), and one end of the second screw rod (404) is connected to the support frame (403) via a bearing.

8. The handrail adjuster according to claim 7, characterized in that: A sliding groove (408) is provided on the bearing plate (402), a slider (409) is slidably connected in the sliding groove (408), and the slider (409) is fixedly installed on the side of the support frame (403).

9. The handrail adjuster according to claim 8, characterized in that: The bottom of the support plate (101) is provided with a mounting portion.

10. The handrail adjuster according to claim 9, characterized in that: The mounting portion comprises a mounting seat (1) fixedly connected to the support plate (101), and a plurality of mounting holes (102) are provided on the mounting seat (1).

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