Handle springback reset structure of carrier
By employing a combination of sleeve, telescopic column, spring, support column, and rotating sleeve in the rebound reset structure of the cargo handling vehicle handle, the problem of easy damage to gas springs is solved, resulting in a longer service life and higher structural stability.
Patent Information
- Application Number
- CN202520665773.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-10
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-04-10
AI Technical Summary
The existing cargo handling vehicle's operating handle rebound mechanism relies on a gas spring, which has a short service life and is easily damaged.
It adopts a combination structure of sleeve, telescopic column, spring, support column and rotating sleeve. The spring provides the return force of the operating handle, and the stability of the structure is improved by limiting sleeve and welding fixation.
This extends the service life of the operating handle's spring-back reset structure and reduces the possibility of wear and damage.
Smart Images
Figure CN223850663U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to goods carrier technology field, specifically, relate to a carrier handle springback reset structure. BACKGROUND
[0002] The goods carrier is used for carrying goods, and the operation handle of the goods carrier on the market can automatically spring back and reset when the operation handle is released during use, but the spring back of the operation handle in the goods carrier on the market is mainly realized by relying on gas springs, and the gas springs have the shortcoming of short service life in actual use, thereby easily leading to the shortcoming that the automatic spring back structure of the operation handle is easy to be damaged. SUMMARY
[0003] The utility model provides a carrier handle springback reset structure, and compared with the mode that the conventional gas spring drives the operation handle to spring back and reset, the carrier handle springback reset structure has the advantages of long service life and not easy to be damaged.
[0004] The utility model provides a carrier handle springback reset structure, which comprises a bearing frame and an operation handle, the lower end of the operation handle is rotationally connected to the upper end of the bearing frame through a rotating shaft, the carrier handle springback reset structure further comprises a sleeve, an extension column, a spring, a supporting column and a rotating sleeve, the supporting column is fixed horizontally at the lower end of the operation handle and located at the rear side of the rotating shaft, the rotating sleeve is rotatably sleeved on the supporting column, the sleeve is fixed vertically on the bearing frame, the lower end of the extension column is inserted into the upper end of the sleeve and can move vertically relative to the sleeve, the upper end of the extension column abuts against the outer wall of the rotating sleeve, a spring seat is fixed on the outer side of the upper part of the extension column, the spring is sleeved outside the sleeve and the extension column, the lower end of the spring abuts against the bearing frame, and the upper end of the spring abuts against the lower end of the spring seat, the spring is used for applying the elastic force of the extension column to the rotating sleeve to drive the operation handle to rotate and reset relative to the bearing frame.
[0005] Compared with the mode that the conventional gas spring drives the operation handle to spring back and reset, the service life of the carrier handle springback reset structure can be improved, that is, the carrier handle springback reset structure is not easy to be damaged.
[0006] In one possible implementation, the support column is sleeved with a limiting sleeve on both sides in the axial direction of the rotating sleeve, and the two limiting sleeves are used to limit the axial movement of the rotating sleeve relative to the support column to avoid the rotating sleeve from being separated from the upper end of the telescopic column; after the structure is used, the two limiting sleeves can realize the axial limiting of the rotating sleeve under the action of the two limiting sleeves to avoid the situation that the limiting sleeve moves axially relative to the support column and causes the rotating sleeve to be separated from the upper end of the telescopic column; and since the rotating sleeve can rotate relative to the support column, when the operating handle rotates relative to the bearing frame, the abrasion between the outer side wall of the support column and the upper end of the telescopic column can be effectively avoided.
[0007] In one possible implementation, both ends of the support column are inserted into the lower end of the operating handle and are welded and fixed with the operating handle; after the structure is used, since both ends of the support column are inserted into the lower end of the operating handle, when the two ends of the support column are welded with the operating handle, the limiting of the support column and the operating handle can be realized, that is, the welding of the support column and the operating handle is facilitated, and the welding firmness of the support column and the operating handle is improved.
[0008] In one possible implementation, the lower end of the spring seat is provided with a cavity, and the upper end of the spring is inserted into the cavity and abuts against the inner top of the cavity; after the structure is used, since the upper end of the spring is inserted into the cavity and abuts against the inner top of the cavity, the limiting of the spring and the spring seat can be realized, that is, the situation that the spring is separated from the spring seat can be avoided.
[0009] In one possible implementation, the spring seat is welded and fixed on the telescopic column; after the structure is used, the spring seat can be reliably fixed with the telescopic column.
[0010] In one possible implementation, the lower end of the sleeve is inserted into the bearing frame and is welded and fixed with the bearing frame; after the structure is used, since the lower end of the sleeve is inserted into the bearing frame, when the lower end of the sleeve is welded with the bearing frame, the limiting of the sleeve and the bearing frame can be realized, that is, the welding and fixing of the sleeve and the bearing frame is facilitated, and the welding firmness of the sleeve and the bearing frame is improved. BRIEF DESCRIPTION OF DRAWINGS
[0011] Figure 1 It is a first three-dimensional structure schematic view of the utility model;
[0012] Figure 2 It is Figure 1 It is a structure schematic view after the enlargement of A in the middle;
[0013] Figure 3 It is a second three-dimensional structure schematic view of the utility model;
[0014] Figure 4 It isFigure 3 Amplified structure diagram at middle B. DETAILED DESCRIPTION
[0015] Firstly, those skilled in the art should understand that the embodiments are only used to explain the technical principles of the application examples, and are not intended to limit the protection scope of the application examples. Those skilled in the art can make adjustments as needed to adapt to specific application occasions.
[0016] In the description of the application examples, it should be noted that unless otherwise explicitly specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the application examples can be understood according to the specific circumstances.
[0017] In the application examples, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be that the first feature is directly above or obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be that the first feature is directly below or obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.
[0018] The application will be further described in detail below in conjunction with the drawings and specific embodiments.
[0019] Reference Figures 1-4 As shown in the drawings, the application example discloses a trolley handle rebound reset structure, which comprises a bearing frame 1 and an operating handle 2; the lower end of the operating handle 2 is rotatably connected to the upper end of the bearing frame 1 through a rotating shaft 3; the trolley handle rebound reset structure further comprises a sleeve 4, an extension column 5, a spring 6, a supporting column 7 and a rotating sleeve 8; the supporting column 7 is transversely fixed to the lower end of the operating handle 2 and located at the rear side of the rotating shaft 3, and the rotating sleeve 8 is rotatably sleeved on the supporting column 7; the sleeve 4 is vertically fixed on the bearing frame 1, the lower end of the extension column 5 is inserted into the upper end of the sleeve 4 and can move vertically relative to the sleeve 4, the upper end of the extension column 5 abuts against the outer wall of the rotating sleeve 8, a spring seat 9 is fixedly sleeved on the outer side of the upper part of the extension column 5, the spring 6 is sleeved outside the sleeve 4 and the extension column 5, the lower end of the spring 6 abuts against the bearing frame 1, and the upper end of the spring 6 abuts against the lower end of the spring seat 9; the spring 6 is used to apply a driving force to the rotating sleeve 8 through the extension column 5 to drive the operating handle 2 to rotate and reset relative to the bearing frame 1.
[0020] The support column 7 is sleeved with a limiting sleeve 10 on both sides in the axial direction of the rotating sleeve 8, and the two limiting sleeves 10 are used to limit the axial movement of the rotating sleeve 8 relative to the support column 7 to avoid the rotating sleeve 8 from being separated from the upper end of the telescopic column 5. After adopting this structure, the two limiting sleeves can realize the axial limiting of the rotating sleeve under the action of the two limiting sleeves, so as to avoid the relative axial movement of the limiting sleeve relative to the support column and the separation of the rotating sleeve from the upper end of the telescopic column. Since the rotating sleeve can rotate relative to the support column, the abrasion between the outer side wall of the support column and the upper end of the telescopic column can be effectively avoided when the operating handle rotates relative to the carrier.
[0021] Both ends of the support column 7 are inserted into the lower end of the operating handle 2 and are welded and fixed with the operating handle 2. After adopting this structure, since both ends of the support column are inserted into the lower end of the operating handle, the limiting of the support column and the operating handle can be realized when the two ends of the support column are welded with the operating handle, that is, the welding of the support column and the operating handle is facilitated, and the welding firmness of the support column and the operating handle is improved.
[0022] The lower end of the spring seat 9 is provided with a recess 91, and the upper end of the spring 6 is inserted into the recess 91 and abuts against the inner top of the recess 91. After adopting this structure, since the upper end of the spring is inserted into the recess and abuts against the inner top of the recess, the limiting of the spring and the spring seat can be realized, that is, the separation of the spring from the spring seat can be avoided.
[0023] The spring seat 9 is welded and fixed on the telescopic column 5. After adopting this structure, the spring seat can be reliably fixed with the telescopic column.
[0024] The lower end of the sleeve pipe 4 is inserted into the carrier 1 and is welded and fixed with the carrier 1. After adopting this structure, since the lower end of the sleeve pipe is inserted into the carrier, the limiting of the sleeve pipe and the carrier can be realized when the lower end of the sleeve pipe is welded with the carrier, that is, the welding and fixing of the sleeve pipe and the carrier is facilitated, and the welding firmness of the sleeve pipe and the carrier is improved.
[0025] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto. Any changes or replacements within the technical range disclosed in the present application can be easily thought of by those skilled in the art, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.
Claims
1. A trolley handle rebound reset structure, comprising a bearing frame (1) and an operating handle (2); the lower end of the operating handle (2) is rotatably connected with the upper end of the bearing frame (1) through a rotating shaft (3); characterized in that: The trolley handle rebound reset structure further comprises a sleeve (4), a telescopic column (5), a spring (6), a support column (7) and a rotating sleeve (8); the support column (7) is fixed horizontally at the lower end of the operating handle (2) and located at the rear side of the rotating shaft (3), and the rotating sleeve (8) is rotatably sleeved on the support column (7); the sleeve (4) is fixed vertically on the bearing frame (1), the lower end of the telescopic column (5) is inserted into the upper end of the sleeve (4) and can move vertically relative to the sleeve (4), the upper end of the telescopic column (5) abuts against the outer wall of the rotating sleeve (8), the spring seat (9) is fixedly sleeved on the outer side of the upper part of the telescopic column (5), the spring (6) is sleeved outside the sleeve (4) and the telescopic column (5), the lower end of the spring (6) abuts against the bearing frame (1), and the upper end of the spring (6) abuts against the lower end of the spring seat (9); the spring (6) is used for applying a driving force to the rotating sleeve (8) through the telescopic column (5) to drive the operating handle (2) to rotate and reset relative to the bearing frame (1).
2. The cart handle rebound return structure of claim 1, wherein: Limiting sleeves (10) are sleeved on the support columns (7) located at both sides of the rotating sleeve (8) in the axial direction, and the two limiting sleeves (10) are used for limiting the axial movement of the rotating sleeve (8) relative to the support column (7) to avoid the rotating sleeve (8) from being separated from the upper end of the telescopic column (5).
3. The cart handle rebound return structure of claim 2, wherein: Both ends of the support column (7) are inserted into the lower end of the operating handle (2) and welded and fixed with the operating handle (2).
4. The cart handle rebound return structure according to any one of claims 1-3, wherein: A recess (91) is arranged on the lower end of the spring seat (9), the upper end of the spring (6) is inserted into the recess (91) and abuts against the inner top of the recess (91).
5. The cart handle rebound return structure of claim 4, wherein: The spring seat (9) is welded and fixed on the telescopic column (5).
6. The cart handle rebound return structure of claim 1 or 2 or 3 or 5, wherein: The lower end of the sleeve (4) is inserted into the bearing frame (1) and welded and fixed with the bearing frame (1).