Locking device mounted on pull arm

Abstract

The utility model belongs to the field of locking devices, and particularly relates to a pull arm top-mounted locking device which comprises a pull arm frame, a supporting frame is fixedly connected to the outer side of the pull arm frame, a garbage can is in contact with the outer side of the pull arm frame, and a connecting frame is fixedly connected to the outer side of the garbage can. Two symmetrically-distributed connecting columns are fixedly connected to the outer side of the garbage can, a locking mechanism is arranged on the supporting frame, a locking frame is hinged to the outer side of the pull arm frame, two symmetrically-distributed fixing frames are fixedly connected to the upper portion of the outer side of the pull arm frame, and connecting nails are slidably connected to the interiors of the fixing frames. The locking frame, the limiting frame, the fixing frame and other structures are additionally arranged on the pull arm frame, after the garbage can is hoisted through the pull arm frame, the locking frame is blocked at the connecting position of the connecting frame and the pull arm frame, then the locking frame is limited through the limiting frame, and therefore high-strength locking of the pull arm frame and the garbage can can be completed.

Description

TECHNICAL FIELD

[0001] The utility model relates to locking device technical field, concretely is a kind of pull arm upper locking device. BACKGROUND

[0002] In the process of transporting garbage bin by transport vehicle, the garbage bin of garbage transfer center can be pulled to the top of transport vehicle by pull arm, and the garbage bin can be locked by locking device to ensure transportation safety.According to the pull arm upper locking device disclosed in patent authorization announcement No.CN209506723U, the utility model discloses a pull arm upper locking device, which is provided with an outer fixed hook outside the inner fixed hook, and the pin is hung in the inner fixed hook, and the outer fixed hook fixes the pin, which enhances the stability of the pin and prevents the pin from sliding in the inner fixed hook.However, the locking device in the prior art locks and positions the connecting frame by the slide rod inside the half ring, but this positioning method can easily cause the slide rod to deform due to the inertia of the garbage bin, which can not effectively lock the garbage bin and cause danger.Therefore, the prior art needs to be improved. UTILITY MODEL CONTENTS

[0003] The utility model aims at providing a pull arm upper locking device, which solves the problem of poor locking strength of the pull arm on the garbage bin.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a pull arm upper locking device, comprising a pull arm frame, a support frame is fixedly connected to the outer side of the pull arm frame, a garbage bin is in contact with the outer side of the pull arm frame, a connecting frame is fixedly connected to the outer side of the garbage bin, two symmetrically distributed connecting columns are fixedly connected to the outer side of the garbage bin, a locking mechanism is provided on the support frame, a locking frame is hingedly connected to the outer side of the pull arm frame, two symmetrically distributed fixed frames are fixedly connected to the upper part of the outer side of the pull arm frame, a connecting nail is slidably connected in the fixed frame, a limit frame is fixedly connected to the upper end of the connecting nail, and a spring one is provided on the outer side of the connecting nail.

[0005] Preferably, the connecting frame is slidably connected to the pull arm frame, and the garbage bin is in contact with the support frame, which can support the garbage bin.

[0006] Preferably, the connecting column is slidably connected to the support frame, and the locking frame is slidably connected to the limit frame, which can block the connecting frame.

[0007] Preferably, one end of the spring one is fixedly connected to the limit frame, and the other end of the spring one is fixedly connected to the fixed frame, and the spring one can drive the limit frame to automatically reset by elastic force.

[0008] Preferably, the locking mechanism comprises two symmetrical pressing frames hinged to the upper end of the support frame, and two symmetrical fixed plates fixedly connected to the upper end of the support frame, the inside of each fixed plate is slidably connected with a guide pin, the outer side of the guide pin is fixedly connected with a limiting frame, and the outer side of the guide pin is provided with a spring two.

[0009] Preferably, the pressing frame is in sliding contact with the connecting column, the limiting frame is in sliding connection with the pressing frame, and the limiting frame is in sliding connection with the support frame.

[0010] Preferably, one end of the spring two is fixedly connected with the limiting frame, and the other end of the spring two is fixedly connected with the fixed plate.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] 1、The utility model discloses a locking mechanism for garbage can, which comprises a support frame, a connecting column, a connecting frame, a connecting rod, a locking mechanism and a garbage can, wherein the support frame is fixedly connected with the connecting column, the connecting column is fixedly connected with the connecting frame, the connecting frame is fixedly connected with the connecting rod, and the connecting rod is fixedly connected with the locking mechanism.

[0013] 2、The utility model discloses a locking mechanism for garbage can, which comprises a support frame, a connecting column, a connecting frame, a connecting rod, a locking mechanism and a garbage can, wherein the support frame is fixedly connected with the connecting column, the connecting column is fixedly connected with the connecting frame, the connecting frame is fixedly connected with the connecting rod, and the connecting rod is fixedly connected with the locking mechanism. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the overall structure of the utility model Figure 1 ;

[0015] Figure 2 It is the overall structure of the utility model Figure 2 ;

[0016] Figure 3 It is the overall structure of the utility model Figure 1 The limiting frame is enlarged

[0017] Figure 4 It is the overall structure of the utility model Figure 2 The locking mechanism is enlarged

[0018] Figure 5 It is the overall structure of the utility model Figure 1A part structure of the A part structure of the

[0019] Figure 6 The utility model discloses a Figure 2 B part structure of the B part structure of the

[0020] Figure 7 The utility model discloses a Figure 6 The utility model discloses a

[0021] In the drawing: 1, pull arm frame, 2, support frame, 3, garbage can, 4, connecting frame, 5, connecting column, 6, locking mechanism, 7, locking frame, 8, fixed frame, 9, connecting nail, 10, limit frame, 11, spring one, 61, down pressure frame, 62, fixed plate, 63, guide nail, 64, limit frame, 65, spring two. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the protection scope of the utility model.

[0023] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , a pull arm upper locking device, including pull arm frame 1, the outer side of pull arm frame 1 is fixedly connected with support frame 2, the outer side of pull arm frame 1 is contacted with garbage can 3, the outer side of garbage can 3 is fixedly connected with two symmetrical distribution connecting columns 5, locking mechanism 6 is arranged on support frame 2, the outer side of pull arm frame 1 is hinged with locking frame 7, the outer side upper portion of pull arm frame 1 is fixedly connected with two symmetrical distribution fixed frames 8, connecting nail 9 is slidably connected in the inside of fixed frame 8, limit frame 10 is fixedly connected to the upper end of connecting nail 9, and the outer side of connecting nail 9 is provided with spring one 11.

[0024] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5The connecting frame 4 is in sliding connection with the pull arm frame 1, the garbage can 3 is in contact with the supporting frame 2, the supporting frame 2 can support the garbage can 3, the connecting column 5 is in sliding connection with the supporting frame 2, the locking frame 7 is in sliding connection with the limiting frame 10, the locking frame 7 can block the connecting frame 4, one end of the spring one 11 is fixedly connected with the limiting frame 10, the other end of the spring one 11 is fixedly connected with the fixed frame 8, and the spring one 11 can drive the limiting frame 10 to automatically reset through elastic force.

[0025] Please refer to Figure 2 、 Figure 6 、 Figure 7 The locking mechanism 6 comprises a pressing frame 61, the upper end of the supporting frame 2 is hingedly connected with two symmetrical pressing frames 61, the upper end of the supporting frame 2 is fixedly connected with two symmetrical fixed plates 62, the inside of each fixed plate 62 is in sliding connection with a guide nail 63, the outer side of the guide nail 63 is fixedly connected with a limiting frame 64, the outer side of the guide nail 63 is provided with a spring two 65, the pressing frame 61 can limit the connecting column 5, the pressing frame 61 is in sliding contact with the connecting column 5, the limiting frame 64 is in sliding connection with the pressing frame 61, the limiting frame 64 is in sliding connection with the supporting frame 2, the limiting frame 64 can limit the pressing frame 61, one end of the spring two 65 is fixedly connected with the limiting frame 64, the other end of the spring two 65 is fixedly connected with the fixed plate 62, and the spring two 65 can drive the limiting frame 64 to automatically reset through elastic force.

[0026] The specific implementation process of the utility model is as follows: in use, the limiting frame 10 is pulled downward, the limiting frame 10 compresses the spring one 11, then the locking frame 7 is turned downward, after turning, the garbage can 3 is hoisted through the pull arm frame 1, after hoisting, the locking frame 7 is turned upward, when the locking frame 7 blocks the connecting frame 4, the limiting frame 10 is loosened, the spring one 11 resets, the spring one 11 can drive the limiting frame 10 to automatically reset through elastic force, after the limiting frame 10 resets, it can slide to the outside of the locking frame 7, and the locking of the connecting frame 4 can be completed.

[0027] The garbage can 3 is hoisted, the connecting column 5 outside the garbage can 3 is slid into the inside of the supporting frame 2, then the limiting frame 64 is pushed, the limiting frame 64 compresses the spring two 65, at the same time, the pressing frame 61 is turned to the outside of the connecting column 5, after turning, the limiting frame 64 is loosened, the spring two 65 resets, the spring two 65 can drive the limiting frame 64 to slide to the outside of the pressing frame 61 through elastic force, and the locking of the garbage can 3 can be completed, so that the transportation of the garbage can 3 is more stable.

[0028] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A pull arm overlock device comprising a pull arm bracket (1), characterized in that: The outer side of the pull arm support (1) is fixedly connected with a support frame (2), the outer side of the pull arm support (1) is in contact with a garbage can (3), the outer side of the garbage can (3) is fixedly connected with a connecting frame (4), the outer side of the garbage can (3) is fixedly connected with two symmetrically distributed connecting columns (5), the support frame (2) is provided with a locking mechanism (6), the outer side of the pull arm support (1) is hingedly connected with a locking frame (7), the outer side of the upper portion of the pull arm support (1) is fixedly connected with two symmetrically distributed fixed frames (8), the inside of the fixed frame (8) is slidably connected with a connecting nail (9), the upper end of the connecting nail (9) is fixedly connected with a limiting frame (10), and the outer side of the connecting nail (9) is provided with a spring (11).

2. A pull arm upper mounting locking device according to claim 1, characterized in that: The connecting frame (4) is slidably connected with the pull arm support (1), and the garbage can (3) is in contact with the support frame (2).

3. A pull arm upper mounting locking device according to claim 1, characterized in that: The connecting column (5) is slidably connected with the support frame (2), and the locking frame (7) is slidably connected with the limiting frame (10).

4. A pull arm upper mounting locking device according to claim 1, characterized in that: One end of the spring (11) is fixedly connected with the limiting frame (10), and the other end of the spring (11) is fixedly connected with the fixed frame (8).

5. A pull arm overlock fastening device according to claim 1, wherein: The locking mechanism (6) comprises a pressing frame (61), the upper end of the support frame (2) is hingedly connected with two symmetrically distributed pressing frames (61), the upper end of the support frame (2) is fixedly connected with two symmetrically distributed fixed plates (62), the inside of each fixed plate (62) is slidably connected with a guide nail (63), the outer side of the guide nail (63) is fixedly connected with a limiting frame (64), and the outer side of the guide nail (63) is provided with a spring (65).

6. A pull arm upper mounting locking device according to claim 5, characterized in that: The pressing frame (61) is in sliding contact with the connecting column (5), the limiting frame (64) is slidably connected with the pressing frame (61), and the limiting frame (64) is slidably connected with the support frame (2).

7. A pull arm upper mounting locking device according to claim 5, characterized in that: One end of the spring (65) is fixedly connected with the limiting frame (64), and the other end of the spring (65) is fixedly connected with the fixed plate (62).

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