Forklift hand brake non-return mechanism and forklift

Abstract

The utility model discloses a forklift hand brake non-return mechanism and a forklift. The forklift hand brake non-return mechanism comprises a clamping plate, a torsion spring and a non-return assembly. The clamping plate is shaped like a Chinese character'hui 'with an opening in one side, a bolt is arranged on the opening side of the clamping plate, and the clamping plate is fastened and clamped on a hand brake handle of the forklift through the bolt. The torsion spring sleeves the bolt and is fixedly connected with the inner wall of the clamping plate; the non-return assembly comprises an adjusting wrench and a supporting foot, the adjusting wrench is rotatably connected to the bolt and is in transmission connection with the torsional spring, the supporting foot is arranged at the tail of the adjusting wrench, and a limiting part is arranged at the tail of the supporting foot. The non-return mechanism is externally arranged on the hand brake grip of the forklift, so that the forklift without the function of preventing the accidental release of the hand brake can realize the function of preventing the accidental release of the hand brake, the parking safety of the forklift is effectively improved, and the forklift can meet related safety regulations and can be put into the market again for use; forklift waste can be effectively reduced, and the utilization rate is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of forklift braking systems, in particular to a forklift handbrake non-return mechanism and a forklift. Background Art

[0002] According to the latest forklift safety requirements regulations: "TSG81-2022 Technical Regulations for Safety of Special Motor Vehicles in Yards (Factories)", the existing electric counterbalanced forklifts on the market should have the function of preventing accidental release of the parking brake control device operated by the handle before they can be put into normal use on the market. However, for the existing forklifts on the market, a considerable number of forklifts use handbrakes that do not have the function of preventing accidental release. This has resulted in these forklifts not meeting the requirements of the regulations and being unable to continue to be put into use on the market, resulting in serious waste of forklifts.

[0003] Therefore, there is an urgent need for a handbrake non-return mechanism that can be installed on forklifts whose handbrakes do not have the function of preventing accidental release, so that these forklifts can be put back into the market for use. Summary of the invention

[0004] In view of this, the utility model provides a forklift handbrake check mechanism, which can be installed on the handbrake handle of the forklift, and when the handbrake is locked, it can prevent the handbrake from resetting, thereby ensuring parking safety.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A forklift handbrake non-return mechanism, comprising:

[0007] Cleats, torsion springs and check assemblies;

[0008] The clamp is in the shape of a ring with one side open, and a bolt is provided on the open side of the clamp, and the clamp is clamped on the handbrake handle of the forklift by the bolt; the torsion spring is sleeved on the bolt and fixedly connected to the inner wall of the clamp; the non-return assembly includes an adjusting wrench and a support foot, the adjusting wrench is rotatably connected to the bolt and is transmission connected to the torsion spring, the support foot is provided at the tail of the adjusting wrench, and a limiting part is provided at the tail of the support foot; when the handbrake is not locked, the support foot is pressed against the front panel of the forklift by the torsion spring; when the handbrake is locked, the limiting part cooperates with the edge of the handbrake avoidance groove on the front panel to prevent the handbrake handle from returning to its position; when the handbrake is unlocked, the adjusting wrench is controlled to rotate so that the support foot is lifted, and the limiting part is disengaged from the edge of the handbrake avoidance groove.

[0009] Preferably, the support leg is in an arc shape as a whole, a mounting groove is provided inside the arc, a limiting portion is provided outside the arc, and the tail of the adjusting wrench is detachably connected in the mounting groove.

[0010] Preferably, the tail of the adjusting wrench is provided with an oblong hole or an arc-shaped hole, and the support bolt is connected to the oblong hole or the arc-shaped hole.

[0011] Preferably, the adjusting wrench and the supporting foot are integrally formed, the supporting foot portion is arc-shaped as a whole, and a limiting portion is provided on the outside of the arc.

[0012] Preferably, the bolt holes on the clamping plate are oblong holes or arc-shaped holes.

[0013] Preferably, the limiting portion is composed of a plurality of step grooves, which are arranged in sequence along the length direction of the support leg, and the plurality of step grooves can adapt to the locking requirements of the handbrake located at different locking positions; when the handbrake is locked, the bottom surface of the step groove abuts against the edge of the handbrake avoidance groove on the front panel to prevent the handbrake from returning to its position.

[0014] A forklift comprises the forklift handbrake non-return mechanism described in any one of the above items.

[0015] Compared with the prior art, the present application discloses a forklift handbrake check mechanism, which, by installing a check mechanism on the handbrake handle of the forklift, enables forklifts whose handbrakes do not have the function of preventing accidental release to realize the function of preventing accidental release of the handbrake, which not only effectively improves the parking safety of these forklifts, but also enables these forklifts to meet relevant safety regulations and be put back into the market for use, which can effectively reduce forklift waste and improve utilization.

[0016] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic diagram of a forklift handbrake check mechanism disclosed in an embodiment of the present application;

[0018] Figure 2 is a schematic diagram of a forklift handbrake check mechanism (unlocked position) disclosed in an embodiment of the present application;

[0019] Figure 3 Schematic diagram of the forklift handbrake check mechanism (locked position) disclosed in the embodiment of the present application.

[0020] Reference numerals:

[0021] 100. Forklift handbrake check mechanism;

[0022] 1. Clamp; 2. Torsion spring;

[0023] 3. Check assembly; 31. Adjustment wrench; 32. Support foot; 321. Step groove; 322. Mounting groove;

[0024] 4. Bolts;

[0025] 5. Front panel; 51. Handbrake avoidance slot;

[0026] 6. Handbrake handle. DETAILED DESCRIPTION

[0027] The utility model discloses a forklift handbrake non-return mechanism 100, which can be installed on a forklift handbrake handle 6 and can prevent the handbrake from resetting when the handbrake is locked, thereby ensuring parking safety.

[0028] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0029] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0030] Reference below Figures 1 to 3 The forklift handbrake non-return mechanism 100 in the embodiment of the utility model is described.

[0031] like Figure 1 As shown, a forklift handbrake check mechanism 100 is disclosed in an embodiment of the present application, comprising: a clamping plate 1, a torsion spring 2 and a check assembly 3.

[0032] The clamping plate 1 is in the shape of a circular ring with one side open, and a bolt 4 is provided on the open side of the clamping plate 1. The clamping plate 1 is fastened and clamped on the handbrake handle 6 of the forklift by the bolt 4 to ensure the installation stability of the non-return mechanism and prevent the non-return mechanism from falling off.

[0033] The torsion spring 2 is sleeved on the bolt 4 and fixedly connected to the inner wall of the clamp 1; the non-return assembly 3 includes an adjusting wrench 31 and a support foot 32, the adjusting wrench 31 is rotatably connected to the bolt 4 and is transmission-connected to the torsion spring 2, the support foot 32 is arranged at the tail of the adjusting wrench 31, and a limiting portion is arranged at the tail of the support foot 32; the torsion spring 2 is used to apply a torsional force to the adjusting wrench 31 so that the support foot 32 located at the tail of the adjusting wrench 31 is maintained in a locked position or an unlocked position; the adjusting wrench 31 is used to control the lifting of the support foot 32 to release the limiting support of the support foot 32.

[0034] For example Figure 2 As shown, when the handbrake is not locked, the support leg 32 is pressed against the front panel 5 of the forklift by the torsion spring 2. At this time, the support leg 32 is in an unlocked position and does not play a non-return role.

[0035] For example Figure 3 As shown, when the handbrake is locked, the handbrake handle 6 is pulled to the locked position, and the non-return mechanism as a whole moves with the handbrake handle 6, and the support leg 32 pressed on the front panel 5 of the forklift also moves accordingly. When the limiting portion at the rear end of the support leg 32 moves to the edge of the handbrake avoidance groove 51 on the front panel 5, the limiting portion can cooperate with the edge of the handbrake avoidance groove 51 on the front panel 5 to limit, so as to prevent the handbrake handle 6 from resetting. In this way, the accidental resetting of the handbrake can be effectively avoided, thereby ensuring parking safety.

[0036] When the handbrake is unlocked, while controlling the handbrake handle 6 to reset, the adjusting wrench 31 should be squeezed synchronously to control the adjusting wrench 31 to rotate, thereby lifting the support leg 32, disengaging the limit portion of the support leg 32 from the edge of the handbrake avoidance groove 51, releasing the limit, and allowing the handbrake handle 6 to reset smoothly.

[0037] By installing a non-return mechanism on the handbrake handle 6 of the forklift, the forklift with a handbrake without the function of preventing accidental release can realize the function of preventing accidental release of the handbrake, which not only effectively improves the parking safety of this part of forklifts, but also enables this part of forklifts to meet relevant safety regulations and be put back into the market for use, which can effectively reduce the waste of forklifts and improve the utilization rate.

[0038] In some embodiments, for example Figure 1 As shown, the support leg 32 is in an arc shape as a whole, a mounting groove 322 is provided inside the arc, and a limiting portion is provided outside the arc. The tail of the adjusting wrench 31 can be detachably connected in the mounting groove 322.

[0039] When the forklift handbrake is applied, the handbrake handle 6 rotates, and the non-return mechanism installed on the handbrake handle 6 also rotates with the handbrake handle 6. During the rotation, the support leg 32 slides on the front panel 5 until the limiting portion on the support leg 32 and the edge of the handbrake avoidance groove 51 on the front panel 5 complete the matching and limiting. When the arc-shaped support leg 32 slides on the front panel 5, the arc surface of the support leg 32 can reduce the contact area with the front panel 5, making the sliding of the support leg 32 smoother, effectively reducing friction damage and friction noise. At the same time, the arc-shaped support leg 32 can better adapt to the movement trajectory of the handbrake handle 6, and the support leg 32 will not get stuck.

[0040] The design of the mounting groove 322 can effectively enhance the connection strength between the adjusting wrench 31 and the support leg 32 to prevent the two from being disconnected. The detachable design between the adjusting wrench 31 and the support leg 32 makes it easy to replace the support leg 32 when it is damaged.

[0041] In this embodiment, the tail of the adjusting wrench 31 is provided with an oblong hole or an arc-shaped hole, and the bolt 4 of the support foot 32 is connected to the oblong hole or the arc-shaped hole.

[0042] For different forklifts, the distance between the handbrake handle 6 and the front panel 5 of the forklift is different, so a single-size non-return mechanism cannot be fully adapted. By providing an oblong hole or an arc hole at the tail of the adjustment wrench 31, and installing the support leg 32 at the oblong hole or the arc hole through the bolt 4, the installation of the support leg 32 has a certain adjustment margin, so that the overall size of the non-return mechanism can be adjusted within a certain range, so that the non-return mechanism can be adapted to forklifts with different distances, effectively improving the adaptability of the non-return mechanism and expanding the application range of the non-return mechanism.

[0043] In some embodiments, the adjusting wrench 31 and the supporting foot 32 are integrally formed, and the supporting foot 32 is arc-shaped as a whole, and a limiting portion is provided on the outside of the arc.

[0044] For a single type of forklift, the distance between the handbrake handle 6 and the front panel 5 is fixed, and there is no need to adjust the size of the non-return mechanism installed on the handbrake handle 6. Therefore, by integrally forming the adjusting wrench 31 and the support foot 32, not only can the needs of the forklift be met, but also the manufacturing cost can be effectively reduced. In addition, the adjusting wrench 31 and the support foot 32 with an integral design have higher structural strength and rigidity and can withstand stronger loads.

[0045] In some embodiments, the bolt 4 hole on the clamping plate 1 is an oblong hole or an arc hole.

[0046] For different forklifts, the distance between the handbrake handle 6 and the front panel 5 of the forklift is different, so a single-size non-return mechanism cannot be fully adapted. By setting the bolt 4 hole on the clamping plate 1 as an oblong hole or an arc hole, the installation of the adjustment wrench 31 has a certain adjustment margin, so that the overall size of the non-return mechanism can be adjusted within a certain range, so that the non-return mechanism can be adapted to forklifts with different distances, effectively improving the adaptability of the non-return mechanism and expanding the application range of the non-return mechanism.

[0047] In some embodiments, for example Figure 1 As shown, the limiting portion is composed of a plurality of step grooves 321, and the plurality of step grooves 321 are arranged in sequence along the length direction of the support foot 32, and the plurality of step grooves 321 can adapt to the locking requirements of the handbrake located at different locking positions; when the handbrake is locked, the bottom surface of the step groove 321 abuts against the edge of the handbrake avoidance groove 51 on the front panel 5 to prevent the handbrake from returning to its position.

[0048] The parking brake of the forklift is divided into multiple gears. The greater the rotation angle of the handbrake handle 6, the stronger the braking force generated by the handbrake. Therefore, the support leg 32 of the handbrake handle 6 in different gears needs to be non-return limited. By providing multiple step grooves 321, the multiple step grooves 321 correspond to multiple brake gears one by one. In this way, the non-return mechanism can non-return limit the handbrake handle 6 in any brake gear to fully ensure parking safety.

[0049] In addition, the present application also discloses a forklift, including the forklift handbrake check mechanism 100 disclosed in the above embodiment. Therefore, the forklift with the forklift handbrake check mechanism 100 has all the above technical effects, which will not be described one by one here.

[0050] The forklift handbrake non-return mechanism 100 and other structures and operations of the forklift according to the embodiment of the utility model are well known to those skilled in the art and will not be described in detail here.

[0051] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0052] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A forklift handbrake non-return mechanism, characterized in that: include: A clamping plate, wherein the clamping plate is in a circular shape with one side open, a bolt is provided on the open side of the clamping plate, and the clamping plate is fastened and clamped on the handbrake handle of the forklift by the bolt; A torsion spring, wherein the torsion spring is sleeved on the bolt and fixedly connected to the inner wall of the clamping plate; A check assembly, the check assembly comprising an adjusting wrench and a support foot, the adjusting wrench is rotatably connected to the bolt and is drivingly connected to the torsion spring, the support foot is arranged at the tail of the adjusting wrench, and a limiting portion is arranged at the tail of the support foot; When the handbrake is not locked, the support leg is pressed against the front panel of the forklift by the torsion spring; When the handbrake is locked, the limiting portion cooperates with the edge of the handbrake avoidance groove on the front panel to limit the position so as to prevent the handbrake handle from returning to its original position; When the handbrake is unlocked, the adjusting wrench is controlled to rotate so that the support leg is lifted, and the limiting portion is disengaged from the edge of the handbrake avoidance groove.

2. The forklift handbrake non-return mechanism according to claim 1, characterized in that: The support leg is in an arc shape as a whole, a mounting groove is provided inside the arc, a limiting portion is provided outside the arc, and the tail of the adjusting wrench is detachably connected in the mounting groove.

3. The forklift handbrake non-return mechanism according to claim 2, characterized in that: The tail of the adjusting wrench is provided with an oblong hole or an arc-shaped hole, and the support bolt is connected to the oblong hole or the arc-shaped hole.

4. The forklift handbrake non-return mechanism according to claim 1, characterized in that: The adjusting wrench and the supporting foot are designed to be integrally formed, the supporting foot portion is arc-shaped as a whole, and a limiting portion is arranged outside the arc.

5. The forklift handbrake non-return mechanism according to claim 1, characterized in that: The bolt holes on the clamping plate are oblong holes or arc holes.

6. The forklift handbrake non-return mechanism according to claim 1, characterized in that: The limiting portion is composed of a plurality of step grooves, which are arranged in sequence along the length direction of the support leg, and the plurality of step grooves can meet the locking requirements of the handbrake at different locking positions; When the handbrake is locked, the bottom surface of the step groove abuts against the edge of the handbrake avoidance groove on the front panel to prevent the handbrake from returning to its original position.

7. A forklift, characterized in that: The forklift handbrake non-return mechanism comprises the forklift handbrake non-return mechanism according to any one of claims 1 to 6.

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