Hand brake non-return mechanism of forklift
By designing a forklift handbrake anti-return mechanism, and utilizing components such as a U-shaped plate and a movable lever, the problem of accidental handbrake release is solved, thus achieving handbrake fixation and improved safety.
Patent Information
- Application Number
- CN202520681640.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-10
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-04-10
AI Technical Summary
Existing forklift handbrakes lack the function to prevent accidental release, which fails to meet safety requirements and prevents them from being put into use on the market.
A forklift handbrake anti-return mechanism was designed, including a main body and an anti-return device. It uses components such as first and second U-shaped plates, movable rods, and limit sleeves to prevent the handbrake lever from being accidentally released through hinge and limit structures.
It achieves a fixed handbrake lever, preventing accidental release. The structure is simple, easy to install, requires no modification to the original forklift structure, and meets safety requirements.
Smart Images
Figure CN223906469U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a forklift brake technical field, concretely is a forklift hand brake non-return mechanism. BACKGROUND
[0002] According to the latest forklift safety requirement regulation: "TSG81-2022 field (factory) special motor vehicle safety technical regulation", the existing electric balance forklift in the market, the handle control parking brake control device should have the function of preventing accidental release, can normally put into market use, but for the existing forklift in the market, a considerable part of the forklift selected hand brake does not have the function of preventing accidental release, which leads to this part of forklift not to meet the regulation requirements, cannot continue to put into market use, causing serious forklift waste.
[0003] Therefore, a hand brake non-return mechanism is needed, which can be installed on the forklift with hand brake without the function of preventing accidental release, so that this part of forklift can be put into market use again. UTILITY MODEL CONTENTS
[0004] The utility model aims at solving one of the technical problems existing in the prior art or related art.
[0005] Therefore, the utility model adopts the technical scheme: a forklift hand brake non-return mechanism, comprising: a main body mechanism and a non-return device, the main body mechanism comprises a front panel and a hand brake handle installed on the front panel.
[0006] The non-return device comprises a first U-shaped plate fixed on the front panel by bolts, a first movable rod hingedly connected to the first U-shaped plate, a second U-shaped plate fixed on the hand brake handle by bolts, a second movable rod hingedly connected to one end of the second U-shaped plate and the other end of the first movable rod, a bottom plate fixed on the second movable rod, and a limiting sleeve movably sleeved on the second movable rod, and a limiting ring is arranged on the outer side of the first movable rod.
[0007] In a preferred example, the limiting sleeve can be further configured as: the limiting sleeve comprises a sleeve movably sleeved on the outer side of the second movable rod, a pull plate fixed on the end of the sleeve, and a spring connecting the pull plate and the bottom plate.
[0008] In a preferred example, the utility model can be further configured as: the first U-shaped plate is symmetrically provided with a first circular hole, and the second U-shaped plate is symmetrically provided with a second circular hole.
[0009] In a preferred example, the utility model can be further configured as: when the hand brake handle is locked, the first movable rod and the second movable rod are on the same straight line, and the limiting sleeve is located at the hinged part of the first movable rod and the second movable rod.
[0010] The utility model discloses a further configuration in a preferable example can be: when the hand brake handle is not locked, the first movable link and the second movable link are in the folding state.
[0011] Through adopting the above technical scheme, the utility model has the beneficial effects of:
[0012] 1. In the utility model, first U type board is set up, and first movable link is hingedly installed on first U type board, second U type board is set up, and second movable link is hingedly installed on second U type board, first movable link and second movable link are hingedly connected, and bottom plate and limiting sleeve are set up on second movable link, limiting ring is set up on first movable link, when using, when the hand brake handle is pulled back, first movable link and second movable link are on the same straight line, at this time, limiting sleeve moves to the hinged place of first movable link and second movable link, and is positioned, guarantees the fixation of first movable link and first movable link, at this time, first movable link and second movable link can fix the hand brake handle, avoid the accidental release of hand brake handle, and the structure is simple, and the practicality is strong.
[0013] 2. In the utility model, first U type board and second U type board are fixed on the front panel and hand brake handle respectively through bolt, and the installation is simple and convenient, does not need to carry out the transformation additionally, further increases the practicality. DRAWINGS
[0014] Figure 1 It is the structural schematic diagram of the utility model;
[0015] Figure 2 It is the sectional view schematic diagram of the utility model;
[0016] Figure 3 It is the check device structure schematic diagram of the utility model;
[0017] Figure 4 It is the check device structure exploded schematic diagram of the utility model.
[0018] Reference signs:
[0019] 100, main body mechanism;110, front panel;120, hand brake handle;
[0020] 200, check device;210, first U type board;211, first round hole;220, first movable link;221, limiting ring;230, second U type board;231, second round hole;240, second movable link;250, bottom plate;260, limiting sleeve;261, sleeve;262, pull plate;263, spring. DETAILED DESCRIPTION
[0021] In order to make the purpose, technical scheme and advantages of the utility model more clear and apparent, the utility model is further described in detail below in combination with specific embodiments and with reference to the drawings. It should be noted that the embodiments of the utility model and the features in the embodiments can be combined with each other without conflict.
[0022] Some embodiments of the utility model are described below in combination with the drawings,
[0023] Embodiment 1:
[0024] In combination with Figures 1-4 the drawings, the embodiment provides a forklift handbrake non-return mechanism, which comprises a main body mechanism 100 and a non-return device 200.
[0025] The main body mechanism 100 comprises a front panel 110 and a handbrake handle 120 mounted on the front panel 110, the front panel 110 is a component of the forklift, and the handbrake handle 120 is mounted on the front panel 110 and used for controlling the opening and closing of the handbrake.
[0026] The non-return device 200 is used for avoiding accidental release of the handbrake handle 120 when the handbrake is opened and comprises a first U-shaped plate 210 fixed on the front panel 110 through bolts, a first movable rod 220 hingedly connected to the first U-shaped plate 210 at an end, a second U-shaped plate 230 fixed on the handbrake handle 120 through bolts, a second movable rod 240 hingedly connected to the second U-shaped plate 230 at one end and to the first movable rod 220 at the other end, a bottom plate 250 fixed on the second movable rod 240 and a limiting sleeve 260 movably sleeved on the second movable rod 240.
[0027] The first U-shaped plate 210 is used for mounting the first movable rod 220 and ensuring the stability of the end of the first movable rod 220, a first circular hole 211 is symmetrically formed on the first U-shaped plate 210, and the first U-shaped plate 210 is fixed on the front panel 110 through the first circular hole 211 and the front panel 110, so that the first U-shaped plate 210 is convenient to mount and dismount.
[0028] The second U-shaped plate 230 is used for mounting the second movable rod 240 and ensuring the stability of the end of the second movable rod 240, a second circular hole 231 is symmetrically formed on the second U-shaped plate 230, and the second U-shaped plate 230 is fixed on the handbrake handle 120 through the second circular hole 231 and the handbrake handle 120, so that the second U-shaped plate 230 is convenient to mount and dismount.
[0029] The end of the first movable rod 220 and the end of the second movable rod 240 are hingedly connected to each other, and when the handbrake handle 120 is not locked, the first movable rod 220 and the second movable rod 240 are in a folded state, and when the handbrake handle 120 is locked, the first movable rod 220 and the second movable rod 240 are in a straight line, and the limiting sleeve 260 is located at the hinge connection position of the first movable rod 220 and the second movable rod 240, thereby limiting the hinge connection position of the first movable rod 220 and the second movable rod 240.
[0030] The bottom plate 250 is used for mounting the limiting sleeve 260, the limiting sleeve 260 comprises a sleeve 261 movably sleeved outside the second movable rod 240, a pull plate 262 fixed at the end of the sleeve 261, and a spring 263 connecting the pull plate 262 and the bottom plate 250, when the sleeve 261 is located at the hinge connection position of the first movable rod 220 and the second movable rod 240, at this time, the first movable rod 220 and the second movable rod 240 are locked, and the first movable rod 220 and the second movable rod 240 cannot rotate, that is, the first movable rod 220 and the second movable rod 240 can support the handbrake handle 120, so as to avoid accidental release of the handbrake handle 120, and the pull plate 262 is used for moving the sleeve 261.
[0031] The limiting ring 221 is arranged on the outer side of the first movable rod 220, and the spring 263 can keep the end of the sleeve 261 close to the limiting ring 221, thereby guaranteeing the stability of the sleeve 261.
[0032] The working principle and use process of the utility model are as follows: when in use, the first U-shaped plate 210 is fixed on the front panel 110 through bolts, the second U-shaped plate 230 is fixed on the handbrake handle 120 through bolts, when the handbrake handle 120 is in the original position, there is an angle between the first movable rod 220 and the second movable rod 240, when the handbrake handle 120 is pulled out backward, the first movable rod 220 and the second movable rod 240 are in a straight line, at this time, under the action of the spring 263, the sleeve 261 moves to the hinge connection position of the first movable rod 220 and the second movable rod 240, and is kept stable under the action of the limiting ring 221, under the action of the sleeve 261, the hinge connection position of the first movable rod 220 and the second movable rod 240 is fixed, at this time, the first movable rod 220 and the second movable rod 240 can support the handbrake handle 120, so as to avoid accidental release of the handbrake handle 120, when it is needed to put back the handbrake handle 120, the pull plate 262 is pulled backward, the sleeve 261 is moved backward and moves out of the hinge connection position of the first movable rod 220 and the second movable rod 240, at this time, the hinge connection position of the first movable rod 220 and the second movable rod 240 loses the limiting, that is, the support to the handbrake handle 120 is removed, along with the reset of the handbrake handle 120, the first movable rod 220 and the second movable rod 240 are folded.
[0033] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.
Claims
1. A forklift hand brake non-return mechanism comprising: The main body mechanism (100) and the non-return device (200) are characterized in that the main body mechanism (100) comprises a front panel (110) and a hand brake handle (120) mounted on the front panel (110); The non-return device (200) comprises a first U-shaped plate (210) fixed on the front panel (110) by bolts, a first movable rod (220) hinged at one end to the first U-shaped plate (210), a second U-shaped plate (230) fixed on the hand brake handle (120) by bolts, a second movable rod (240) hinged at one end to the second U-shaped plate (230) and at the other end to the end of the first movable rod (220), a bottom plate (250) fixed on the second movable rod (240), and a limiting sleeve (260) movably sleeved on the second movable rod (240), and a limiting ring (221) is arranged on the outer side of the first movable rod (220).
2. A hand brake holdback mechanism for a fork lift truck as claimed in claim 1 wherein, The limiting sleeve (260) comprises a sleeve (261) movably sleeved on the outer side of the second movable rod (240), a pull plate (262) fixed on the end of the sleeve (261), and a spring (263) connecting the pull plate (262) and the bottom plate (250).
3. A hand brake holdback mechanism for a fork truck as set forth in claim 1, wherein, The first U-shaped plate (210) is symmetrically provided with a first circular hole (211), and the second U-shaped plate (230) is symmetrically provided with a second circular hole (231).
4. A hand brake holdback mechanism for a fork truck as set forth in claim 1, wherein, When the hand brake handle (120) is locked, the first movable rod (220) and the second movable rod (240) are in the same straight line, and the limiting sleeve (260) is located at the hinge of the first movable rod (220) and the second movable rod (240).
5. A hand brake holdback mechanism for a fork truck as set forth in claim 1, wherein, When the hand brake handle (120) is not locked, the first movable rod (220) and the second movable rod (240) are in a folded state.