Elastic output assembly of manual brake control system of travel suitcase
By designing the combination of active slider, driven slider and spiral drive spring in the manual brake control system of the suitcase, an elastic space is formed, which solves the malfunction or inaction problems caused by the unfit length of the steel wire brake line, and achieves a more stable braking effect and a compact structural design.
Patent Information
- Application Number
- CN202422384386.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-27
- Publication Date
- 2025-07-01
- Estimated Expiration
- 2034-09-27
AI Technical Summary
In the existing travel box handbrake system, the inadequate length of the wire brake line can easily lead to malfunction or inaction.
Design an elastic output assembly of a travel box manual brake control system, including an active slider, a driven slider and a spiral drive spring, through which a resilient space is formed to adapt to the error of the length of the wire brake line.
It effectively eliminates the problem of braking malfunction or inaction caused by the length deviation of the wire brake line, and also has the advantage of compact structure.
Smart Images
Figure CN223041050U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to accessories for a suitcase, specifically to the control part of the casters brake of the suitcase. Background Art
[0002] The brake system with a handbrake operation form is a common braking structure on existing suitcases. It realizes the connection between the operation part provided on the top of the suitcase and the braking part of the casters through a steel wire. The output part of the operation part is connected to the steel wire by an elastic output component combined with a slider and a spring. Specifically, the elastic output component includes a slider and a slider return spring. The slider has a hanging part for hanging the steel wire brake line. The operation part drives the slider to slide, thereby driving the steel wire brake line to pull the braking part of the caster to complete the braking action. The slider return spring provides the driving force for the slider to return. Relying on the driving structure that the slider is directly connected to the steel wire to drive the steel wire brake line, when the length of the steel wire brake line is not properly matched, it is easy to cause problems of misoperation or non-operation. Summary of the Invention
[0003] The invention purpose of the utility model: To overcome the defects existing in the prior art, the utility model provides an elastic output component of a manual brake control system for a suitcase, which can eliminate the braking misoperation or non-operation caused by the length deviation of the steel wire brake line.
[0004] To achieve the above purpose, the utility model provides the following technical solutions:
[0005] An elastic output component of a manual brake control system for a suitcase, including a seat shell, a steel wire brake line and a wire traction component, characterized in that: the wire traction component includes
[0006] A driving slider, configured to slide directionally in the seat shell. The driving slider has a linkage part for external driving. The driving slider has a receiving space. One end of the receiving space has a lower pushing part. The lower pushing part is provided with a wire avoidance channel.
[0007] A driven slider, placed in the receiving space of the driving slider. The driven slider is configured to slide in the seat shell and can slide relative to the driving slider. The driven slider has a hanging part for hanging the steel wire brake line. The hanging part is arranged opposite to the lower pushing part.
[0008] And a spiral driving spring, one end of the spiral driving spring abuts against the lower pushing part, and the other end of the spiral driving spring abuts against the hanging part.
[0009] The steel wire brake line passes through the spiral driving spring along the wire avoidance channel and is connected to the hanging part.
[0010] Preferably, the driven slider includes two hanging parts and an intermediate connecting part located between the two hanging parts. The intermediate connecting part connects the two hanging parts.
[0011] Preferably, the intermediate connecting portion is provided with a sliding positioning structure, and a guiding slide rail which is in guiding cooperation with the sliding positioning structure is arranged on the active slider.
[0012] Preferably, the guiding slide rail includes a sliding guide groove, and wall plates are arranged on the transverse two sides of the sliding guide groove. The sliding positioning structure includes a positioning block on the intermediate connecting portion. Spacing grooves are respectively formed at intervals between the positioning block and the two hanging portions. The positioning block is slidably fitted in the sliding guide groove, and the wall plates are inserted into the spacing grooves.
[0013] Preferably, a clamping rib is arranged at the bottom of the sliding guide groove, and clearance grooves are formed on both sides of the clamping rib at the bottom of the sliding guide groove. Two oppositely arranged elastic clamping claws are arranged on the positioning block, and the claw heads of the two elastic clamping claws are arranged towards each other. A clamping opening is formed between the two elastic clamping claws, and the clamping opening is buckled on the clamping rib and can slide relatively.
[0014] Preferably, the accommodating space on the active slider is a groove-shaped assembling cavity surrounded by a bottom plate and surrounding walls. Corresponding side plates are arranged on the transverse two sides of the active slider. A spring accommodating groove is formed between the side plates and the wall plates. The hanging portion and the spiral driving spring are arranged in the spring accommodating groove, and the hanging portion is in guiding cooperation with the spring accommodating groove.
[0015] Preferably, the seat shell includes a bottom shell with a concave cavity, and a cover shell covers the opening of the concave cavity of the bottom shell to form the installation cavity. The linkage portion includes a connecting plate, and the connecting plate corresponds to one side at the bottom of the groove-shaped assembling cavity. There is a spacing distance between the connecting plate and the opening of the groove-shaped assembling cavity. Thus, when the active slider is placed in the concave cavity of the bottom shell along one side of the opening of the groove-shaped assembling cavity, a space is formed between the connecting plate and the bottom wall of the concave cavity of the bottom shell.
[0016] By adopting the above technical solutions, the cooperation of the active slider, the driven slider and the spiral driving spring is adopted to form an elastic space between the operation part and the transmission path of the steel wire brake rope. This elastic space can well adapt to the error of the length of the steel wire brake line, thereby eliminating the problems of braking malfunction or non-action caused by the length deviation of the steel wire brake line. Moreover, the above elastic output assembly has the advantage of compact structure. For example, the driven slider is arranged on the active slider, and the driven slider has a smaller volume design.
[0017] The present invention will be further described below with reference to the accompanying drawings. Description of the Drawings
[0018] Figure 1 It is a schematic structural diagram of the first specific embodiment of the present invention;
[0019] Figure 2 It is a diagram showing the open state of the cover shell of the first specific embodiment of the present invention;
[0020] Figure 3 This is an exploded view of a wire traction assembly and a wire brake line in a specific embodiment of the utility model;
[0021] Figure 4 This is a schematic diagram of the matching structure of a wire traction assembly and a wire brake line in a specific embodiment of the utility model;
[0022] Figure 5 This is a structural schematic diagram of the seat shell of the second specific embodiment of the utility model in a disassembled state;
[0023] Figure 6 This is a schematic diagram of the structure of the seat shell of the second specific embodiment of the utility model in a disassembled state. DETAILED DESCRIPTION
[0024] See attached Figures 1 to 4 The utility model discloses an elastic output component of a manual brake control system for a suitcase, comprising a seat shell 1, a steel wire brake line 2 and a line traction component, the seat shell 1 comprising a bottom shell 11 and a cover shell 12, the bottom shell 11 is provided with a concave cavity, the cover shell 12 covers the mouth of the concave cavity to form a mounting cavity, the line traction component comprises an active slider 3, a driven slider 4 and a spiral drive spring 5; the active slider 3 is directional and slidingly arranged in the mounting cavity of the seat shell 1, the active slider 3 has a linkage part 31 for external drive, in this specific embodiment, the linkage part 31 is a design of an oblique groove arranged on the connecting plate, the linkage part 31 provides a connection point for the external driving active slider 3 to slide, so those skilled in the art can also make corresponding deformation designs of the linkage part according to the records of the prior art, such as a rack design, or a toggle groove, or a hinged hinge block, or directly A fixedly connected connecting plate, etc.; but it is preferably designed as a connecting block; the active slider 3 has an accommodating space, one end of the accommodating space has a lower ejecting portion 321, and a line avoidance channel 322 is provided at the lower ejecting portion 321; the driven slider 4 is placed in the accommodating space of the active slider 3, the driven slider 4 is configured to slide in the seat shell 1 and can slide relative to the active slider 3, the driven slider 4 has a hanging portion 41 for hanging the wire brake line, the hanging structure on the hanging portion 41 is a conventional technology in the field, so it is not elaborated in detail, the hanging portion 41 is arranged opposite to the lower ejecting portion 321; one end of the spiral drive spring 5 abuts on the lower ejecting portion 321, and the other end of the spiral drive spring 5 abuts on the hanging portion 41; the wire brake line 4 passes through the spiral drive spring 5 along the line avoidance channel 322 and is connected to the hanging portion 41. The active slider, the driven slider and the spiral drive spring are used to form an elastic space between the operating part and the transmission path of the wire brake rope. The elastic space can well adapt to the error of the wire brake line length, thereby eliminating the problem of brake misoperation or inaction caused by the wire brake line length deviation. The spiral drive spring directly rests on the hanging part, and the spring can achieve stable and reliable drive, and realize a relatively compact structural design.
[0025] Generally, there are two steel wire brake cables, so a hanging part for connecting two steel wire brake cables is usually required. In this specific embodiment, the driven slider 4 includes two hanging parts 41 and an intermediate connecting part 42 located between the two hanging parts 41. The intermediate connecting part 42 connects the two hanging parts 41. The two hanging parts belong to a single driven slider 4. Compared with the design of one hanging part 41 on the driven slider 4, the design with two driven sliders 4 is more compact in structure, and at the same time, a more reliable positioning and guiding design of the driven slider 4 can be achieved.
[0026] The intermediate connecting part 42 is provided with a sliding positioning structure, and a guiding slide rail that is guidingly matched with the sliding positioning structure is provided on the driving slider 3. The intermediate connecting part is used to achieve positioning and sliding guiding to ensure the stable and reliable sliding of the driven slider 4. Therefore, as a feasible solution of the present invention, the sliding guiding of the driven slider 4 can be realized only by the positioning and guiding of the hanging part, but the intermediate connecting part provides a design space for sliding positioning, improving the stability of the driven slider. More specifically, the guiding slide rail includes a sliding guide groove 33. The lateral two sides of the sliding guide groove 33 (i.e., the two sides in the width direction of the sliding guide groove 33) have wall plates 34. The sliding positioning structure includes a positioning block 421 on the intermediate connecting part. The positioning block 421 extends into the sliding guide groove 33 and is slidingly and positioningly matched with the sliding guide groove 33. An interval groove 422 is formed between the positioning block 421 and the two hanging parts 41, and the wall plate 34 is inserted into the interval groove 422. The concave-convex structure design is effectively utilized to achieve good positioning and sliding guiding, and the structure design is also relatively reasonable and compact. As Figure 5 shown, as another way of the present invention, the guiding slide rail can adopt a guiding rib 3a, and the sliding positioning structure is a groove design. However, adopting the sliding guide groove 33 and the corresponding structure design has a more reliable sliding positioning.
[0027] Furthermore, a clamping rib 35 is provided at the bottom of the sliding guide groove 33. The bottom of the sliding guide groove 33 has clearance grooves 36 on both sides of the clamping rib 35. Two oppositely arranged elastic claws 423 are provided on the positioning block 421. The claw heads of the two elastic claws 423 face each other, and a clamping opening is formed between the two elastic claws 423. The clamping opening is buckled on the clamping rib 35 and can slide relatively. The driven slider 4 is buckled on the driving slider 3, realizing a more reliable connection of the driven slider 4 on the driving slider 3, ensuring the stable and reliable structure, so as to facilitate the disassembly and assembly operation of the driving slider and the driven slider as a whole.
[0028] As another embodiment of the present utility model, a spring accommodation groove 32 designed for positioning and sliding guiding with the hanging part 41 can be adopted on the active slider 3. The spring accommodation groove 32 also provides a placement for the spiral driving spring to position and guide the hanging part 41, that is, the hanging part is in positioning and guiding cooperation with the spring accommodation groove. The hanging part is in guiding cooperation with the spring accommodation groove.
[0029] For a further design, the accommodation space on the active slider 3 is a groove-shaped assembly cavity surrounded by a bottom plate and surrounding walls. Correspondingly, the active slider 3 has side plates 39 on both lateral sides. A spring accommodation groove 32 is formed between the side plates 39 and the wall plate 34. The hanging part 41 and the spiral driving spring 5 are placed in the spring accommodation groove 32. In this design, on the one hand, the side plates simultaneously form a protection for the spiral driving spring, facilitating the disassembly and assembly operation of the active slider and the driven slider as a whole. Additionally, it simultaneously provides positioning and sliding guiding for the hanging part 41, making the sliding cooperation of the driven slider on the active slider more stable and reliable.
[0030] To facilitate the disassembly and assembly operation of the module composed of the active slider and the associated driven slider and spiral driving spring, the following optimized design is adopted: The linkage part 31 includes a connecting plate 311. The connecting plate 311 is correspondingly located on one side of the bottom of the groove-shaped assembly cavity. There is a spacing distance between the connecting plate 311 and the mouth of the groove-shaped assembly cavity. Thus, when the active slider 3 is placed in the concave cavity of the bottom shell 11 along one side of the mouth of the groove-shaped assembly cavity, an air gap I is formed between the connecting plate 311 and the bottom wall of the concave cavity of the bottom shell 11. In this way, when disassembling, a finger is inserted into the air gap I to pinch the connecting plate 311, and the active slider and the components thereon can be taken out of the bottom shell.
[0031] A positioning boss 424 also protrudes on the middle connecting part 42 of the driven slider 4. An opening groove 121 cooperating with the positioning boss 424 is provided on the cover shell 12 of the seat shell 1 to improve the sliding reliability of the driven slider.
[0032] Such as Figure 6As shown, as another embodiment of the utility model, the utility model also provides another elastic output component of a suitcase manual brake control system that can eliminate brake malfunction or inaction caused by wire brake line length deviation, including a seat shell 1, a wire brake line 2 and a line traction component, the seat shell 1 includes a bottom shell 11 and a cover shell 12, the bottom shell 11 is concavely provided with a cavity, the cover shell 12 covers the mouth of the cavity to form an installation cavity, the line traction component includes an active slider 3, a driven slider 4 and a spiral drive spring 5; the active slider 3 is directional and slidably arranged in the installation cavity of the seat shell 11, and the active slider 3 has a linkage part 31 for external drive. In this specific embodiment, the linkage part is a design of an inclined groove set on the driving block. Of course, those skilled in the art can also make corresponding deformations to the linkage part based on the records of the prior art. Design, such as rack design, or a toggle groove, or a hinged hinge block, or a directly fixed connecting block, etc., one end of the active slider 3 is provided with a lower push-up part; the driven slider 4 is configured to slide in the seat shell 1 and can slide relative to the active slider 3, the driven slider 4 has a hanging part 41 for hanging the wire brake line 2, the driven slider 4 includes two hanging parts 41, and an intermediate connecting part 42 located between the two hanging parts 41, and the intermediate connecting part 42 connects the two hanging parts 41; one end of the spiral drive spring 5 abuts on the lower push-up part, and the other end of the spiral drive spring 5 abuts on the intermediate connecting part 42; a line avoidance channel 30 for the wire brake line 2 to pass through is provided on the wall opposite to the hanging part 41 on the active slider 3, and the wire brake line 2 is connected to the hanging part 41 along the line avoidance channel 30.
[0033] The positioning slider of the driven slider 4 can be designed by the positioning structure in the seat shell 1, and preferably, a guide structure is provided on the active slider 3 to realize the positioning installation and sliding guidance of the driven slider. The guide structure on the active slider 3 may include a groove 38 for positioning and guiding with the intermediate connecting part 42; or / and, a guide groove 37 for positioning and guiding with the hanging part 41; or / and, a spacing groove is provided between the intermediate connecting part and the hanging part, and the guide structure includes a wall panel 34 provided on the side of the groove 38, and the wall panel 34 is inserted into the spacing groove to realize positioning and guiding. Or, as Figure 5 The positioning structure shown in the figure, etc.
Claims
1. An elastic output assembly of a manual brake control system of a suitcase, comprising a seat shell, a steel brake wire and a wire pulling assembly, characterized in that: The line pulling assembly comprises The active slider is directional and slidably arranged in the seat shell. The active slider has a linkage part for external driving. The active slider has an accommodating space. One end of the accommodating space has a lower push part. The lower push part is provided with a wire avoidance channel. The driven slider is placed in the accommodating space of the active slider. The driven slider is configured to slide in the seat shell and slide relative to the active slider. The driven slider has a hanging part for hanging the steel wire brake line. The hanging part is arranged relative to the lower push part. and a spiral drive spring, one end of which abuts against the lower push part, and the other end of which abuts against the hanging part. The steel wire brake line passes through the spiral driving spring along the line avoidance channel and is connected to the hanging part.
2. The elastic output assembly of the manual brake control system of a suitcase according to claim 1, characterized in that: The driven sliding block comprises two hanging parts and an intermediate connecting part located between the two hanging parts, wherein the intermediate connecting part connects the two hanging parts.
3. The elastic output assembly of the manual brake control system of a suitcase according to claim 2, characterized in that: The intermediate connecting portion is provided with a sliding positioning structure, and the active sliding block is provided with a guide rail which cooperates with the sliding positioning structure for guiding.
4. The elastic output assembly of the manual brake control system of a suitcase according to claim 3, characterized in that: The guide rail includes a sliding guide groove, and wall panels are provided on both lateral sides of the sliding guide groove. The sliding positioning structure includes a positioning block on the middle connecting part, and spacing grooves are formed between the positioning block and the two hanging parts. The positioning block is slidably fitted in the sliding guide groove, and the wall panels are inserted into the spacing grooves.
5. The elastic output assembly of the manual brake control system of a suitcase according to claim 4, characterized in that: A snap-fitting convex strip is provided at the bottom of the sliding guide groove, and an avoidance groove is provided at the two sides of the snap-fitting convex strip. The positioning block is provided with two elastic claws arranged opposite to each other, and the claw heads of the two elastic claws are arranged facing each other. A snap-fitting slot is formed between the two elastic claws, and the snap-fitting slot is snapped on the snap-fitting convex strip and can slide relatively.
6. The elastic output assembly of the manual brake control system of a suitcase according to claim 4 or 5, characterized in that: The accommodating space on the active slider is a groove-shaped assembly cavity surrounded by the bottom plate and the surrounding walls. The corresponding active slider has side panels on both sides of the lateral direction, and a spring accommodating groove is formed between the side panels and the wall panels. The hanging part and the spiral driving spring are placed in the spring accommodating groove, and the hanging part is guided and matched with the spring accommodating groove.
7. The elastic output assembly of the manual brake control system of a suitcase according to claim 6, characterized in that: The seat shell includes a bottom shell with a concave cavity, and the concave cavity mouth of the bottom shell is covered with a cover shell to form an installation cavity. The linkage part includes a connecting plate, and the connecting plate corresponds to one side of the bottom of the groove-shaped assembly cavity. There is a spacing distance between the connecting plate and the mouth of the groove-shaped assembly cavity, so that when the active slider is placed in the concave cavity of the bottom shell along one side of the mouth of the groove-shaped assembly cavity, a space is formed between the connecting plate and the bottom wall of the concave cavity of the bottom shell.
8. An elastic output assembly of a manual brake control system for a suitcase, comprising a seat shell, a steel brake wire and a wire pulling assembly, characterized in that: The line pulling assembly comprises The active slider is directional and slidably arranged in the seat shell. The active slider has a linkage part for external driving. One end of the active slider is provided with a lower push part, and the lower push part is provided with a wire avoidance channel. The driven slider is configured to slide in the seat shell and slide relative to the active slider. The driven slider has a hanging part for hanging the wire brake line. The driven slider includes two hanging parts and an intermediate connecting part located between the two hanging parts. The intermediate connecting part connects the two hanging parts. The intermediate connecting part is arranged relative to the lower push part. and a spiral drive spring, one end of which abuts against the lower push portion, and the other end of which abuts against the middle connecting portion. A wire avoidance channel for the wire brake line to pass through is arranged on a wall of the active sliding block opposite to the hanging part, and the wire brake line is connected to the hanging part along the wire avoidance channel.