Telescopic handle with multi-section limiting structure

Abstract

The telescopic handle with the multi-section limiting structure comprises a fixed handle and a movable handle, outer buckling strips arranged in the axial direction are arranged on the two sides of the fixed handle, inner buckling grooves arranged in the axial direction are formed in the two sides of the movable handle, the outer buckling strips are buckled in the inner buckling grooves in a sliding mode, and elastic buckling structures corresponding to the inner buckling grooves are arranged on the fixed handle. A plurality of buckling position structures which are arranged at intervals are arranged in the inner buckling groove, and the elastic buckling structures are correspondingly matched with the buckling position structures. According to the telescopic handle with the multi-section limiting structure, the outer buckling strips are arranged on the two sides of the fixed handle, the inner buckling grooves are formed in the two sides of the movable handle, and the outer buckling strips are buckled in the inner buckling grooves in a sliding mode, so that sliding connection of the fixed handle and the movable handle is achieved; an elastic buckle structure corresponding to the inner buckle groove is arranged on the fixed handle, and a plurality of buckle position structures which are arranged at intervals and matched with the elastic buckle structure are arranged in the inner buckle groove, so that the multi-section adjusting function of the movable handle is achieved.

Description

Technical Field

[0001] The utility model relates to the field of cleaning equipment, in particular to a telescopic handle with a multi-section limiting structure. Background Art

[0002] An upright vacuum cleaner is a dust removal tool. The existing upright vacuum cleaner includes a main unit assembly, which includes a dust removal motor and a dust and gas separation unit. The main unit assembly can be raised and lowered on a main body, and a floor brush unit is provided at the bottom of the main body. When cleaning an open space, the main unit assembly is close to the floor brush unit of the upright vacuum cleaner to lower the center of gravity of the upright vacuum cleaner for easy use by the user; when cleaning a non-open space, the main unit assembly is moved upward to facilitate cleaning by the floor brush unit.

[0003] This type of host assembly has two positions in the longitudinal length direction of the main body of the machine. The main control board of the host assembly needs to maintain electrical connection with the upright vacuum cleaner body at the two positions on the main body of the machine, so as to realize the electrical connection between the first electrical component group in the host assembly and the second electrical component group on the main body of the machine, or the motor connection on the main body of the machine, so as to realize signal transmission or electrical energy transmission.

[0004] In the prior art, the lifting structure in the liftable host assembly has problems such as complex structure, few adjustment sections resulting in a small applicable height range, and inconvenient adjustment.

[0005] Therefore, in view of the shortcomings of the prior art, it is necessary to design a telescopic handle with a multi-stage limiting structure to solve the above problems. Utility Model Content

[0006] In order to overcome the above-mentioned deficiencies in the prior art, the utility model aims to provide a telescopic handle with a multi-stage limiting structure.

[0007] In order to achieve the above-mentioned purpose and other related purposes, the technical solution provided by the utility model is: a telescopic handle with a multi-section limiting structure, including a fixed handle and a movable handle, the fixed handle is provided with external buckle strips arranged along the axial direction on both sides, the movable handle is provided with internal buckle grooves arranged along the axial direction on both sides, the external buckle strips are slidably buckled in the internal buckle groove, the fixed handle is provided with a spring buckle structure corresponding to the internal buckle groove, the internal buckle groove is provided with a plurality of buckle structures arranged at intervals, and the spring buckle structure corresponds to the buckle structure.

[0008] The preferred technical solution is: a first electrical contact is provided on the fixed handle, a plurality of second electrical contacts are provided on the movable handle and are arranged at intervals along the sliding direction, and the plurality of second electrical contacts are arranged in one-to-one correspondence with the plurality of buckling structures.

[0009] The preferred technical solution is: the first electrical contact is composed of a columnar metal part and a spring, the fixing handle is provided with a first mounting groove for assembling the columnar metal part, the columnar metal part can be movably arranged in the first mounting groove up and down, the spring is arranged in the first mounting groove, one end of the spring is against the bottom of the first mounting groove, and the other end of the spring is against the bottom end of the columnar metal part.

[0010] The preferred technical solution is: the second electrical contact is composed of a block metal piece, the movable handle is provided with a second installation groove for assembling the block metal piece, and the block metal piece is fixedly embedded in the second installation groove.

[0011] The preferred technical solution is: a dust baffle is provided on a side of the fixed handle close to the movable handle, and an outer periphery of the dust baffle is fitted with a side of the movable handle close to the fixed handle.

[0012] The preferred technical solution is: a baffle mounting groove is provided on the side of the fixed handle close to the movable handle, the dust baffle is rotated in the baffle mounting groove through a rotating shaft, a torsion spring is sleeved on the rotating shaft, the first force arm of the torsion spring is against the fixed handle, the second force arm of the torsion spring is against one side of the dust baffle, and the other side of the dust baffle is against the groove wall of the baffle mounting groove.

[0013] Due to the application of the above technical solution, the utility model has the following beneficial effects:

[0014] The utility model provides a telescopic handle with a multi-stage limiting structure, which realizes a sliding connection between the fixed handle and the movable handle by arranging outer buckle strips on both sides of the fixed handle and inner buckle grooves on both sides of the movable handle, and making the outer buckle strips slide and buckle in the inner buckle grooves; and then by arranging a spring buckle structure corresponding to the inner buckle groove on the fixed handle, and arranging a plurality of buckle structures that are arranged at intervals and match the spring buckle structure in the inner buckle groove, the multi-stage adjustment function of the movable handle is realized. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the fixed handle structure involved in the utility model.

[0016] Figure 2 The utility model is a schematic diagram of the movable handle structure.

[0017] Figure 3 It is a schematic longitudinal section diagram of the movable handle involved in the utility model.

[0018] Figure 4 It is a schematic cross-sectional view of the telescopic handle involved in the utility model.

[0019] Figure 5It is a schematic longitudinal section diagram of the telescopic handle involved in the utility model.

[0020] Figure 6 for Figure 5 A is an enlarged schematic diagram. DETAILED DESCRIPTION

[0021] The following is a description of the implementation of the present invention by means of specific embodiments. People familiar with the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0022] See also Figure 1-Figure 6 . It should be noted that in the description of the present utility model, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third" and the like are only used to distinguish the description, and cannot be understood as indicating or implying relative importance. Terms such as "horizontal", "vertical", and "overhanging" do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0023] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection, it can be a mechanical connection, it can be an electrical connection, it can be a direct connection, it can be indirectly connected through an intermediate medium, and it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] Example:

[0025] like Figures 1 to 6As shown, according to an overall technical concept of the utility model, a telescopic handle with a multi-stage limiting structure is provided, including a fixed handle 1 and a movable handle 2, the fixed handle 1 is provided with an outer buckle strip 11 arranged along the axial direction on both sides, the movable handle 2 is provided with an inner buckle groove 21 arranged along the axial direction on both sides, the outer buckle strip 11 is slidably buckled in the inner buckle groove 21, the fixed handle 1 is provided with a snap-on structure 5 corresponding to the inner buckle groove 21, the inner buckle groove 21 is provided with a plurality of buckle structures 9 arranged at intervals, and the snap-on structure 5 is matched with the buckle structure 9. In specific use, the snap-on structure 5 can be buckled with the corresponding buckle structure 9 according to the height, so as to lock the movable handle 2 with the fixed handle 1.

[0026] like Figures 1 to 6 As shown, in an exemplary embodiment of the utility model, a first electrical contact 3 is provided on the fixed handle 1, and a plurality of second electrical contacts 4 are provided on the movable handle 2 and are arranged at intervals along the sliding direction. The plurality of second electrical contacts 4 are arranged in one-to-one correspondence with the plurality of buckle structures 9.

[0027] like Figures 1 to 6 As shown, in an exemplary embodiment of the present utility model, the first electrical contact 3 is composed of a columnar metal member 31 and a spring 32. The fixed handle 1 is provided with a first mounting groove for the columnar metal member 31 to be assembled. The columnar metal member 31 can be movably arranged in the first mounting groove, and the spring 32 is arranged in the first mounting groove. One end of the spring 32 abuts against the bottom of the first mounting groove, and the other end of the spring 32 abuts against the bottom end of the columnar metal member 31. The above structure can keep the first electrical contact 3 and the second electrical contact 4 in an abutting state, avoiding the problem of poor contact between the first electrical contact 3 and the second electrical contact 4 due to friction after long-term use.

[0028] like Figures 1 to 6 As shown, in an exemplary embodiment of the present invention, the second electrical contact 4 is composed of a block metal piece, and the movable handle 2 is provided with a second mounting groove for assembling the block metal piece, and the block metal piece is fixedly embedded in the second mounting groove.

[0029] like Figures 1 to 6 As shown, in an exemplary embodiment of the present invention, a dust baffle 6 is provided on one side of the fixed handle 1 close to the movable handle 2, and the outer periphery of the dust baffle 6 is arranged in close contact with the side of the movable handle 2 close to the fixed handle 1. The above structure is used to prevent dust or other debris from entering the gap between the fixed handle 1 and the movable handle 2.

[0030] like Figures 1 to 6As shown, in an exemplary embodiment of the utility model, a baffle installation groove is provided on one side of the fixed handle 1 close to the movable handle 2, and the dust baffle 6 is rotated in the baffle installation groove through a rotating shaft 7. A torsion spring 8 is sleeved on the rotating shaft 7, and the first force arm of the torsion spring 8 abuts against the fixed handle 1, and the second force arm of the torsion spring 8 abuts against one side of the dust baffle 6, and the other side of the dust baffle 6 abuts against the groove wall of the baffle installation groove. This structure can prevent the dust baffle 6 and the movable handle 2 from being damaged due to hard friction.

[0031] Therefore, the utility model has the following advantages:

[0032] The utility model provides a telescopic handle with a multi-stage limiting structure, which realizes a sliding connection between the fixed handle and the movable handle by arranging outer buckle strips on both sides of the fixed handle and inner buckle grooves on both sides of the movable handle, and making the outer buckle strips slide and buckle in the inner buckle grooves; and then by arranging a spring buckle structure corresponding to the inner buckle groove on the fixed handle, and arranging a plurality of buckle structures that are arranged at intervals and match the spring buckle structure in the inner buckle groove, the multi-stage adjustment function of the movable handle is realized.

[0033] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or alter the above embodiments without violating the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by a person of ordinary skill in the art without departing from the spirit and technical concept disclosed by the present invention shall still be covered by the claims of the present invention.

Claims

1. A telescopic handle with a multi-stage limiting structure, comprising a fixed handle and a movable handle, wherein both sides of the fixed handle are provided with outer buckle strips arranged along the axial direction, and both sides of the movable handle are provided with inner buckle grooves arranged along the axial direction, wherein the outer buckle strips are slidably buckled in the inner buckle grooves, and characterized in that: The fixing handle is provided with a snap-fastening structure corresponding to the inner snap-fastening groove, the inner snap-fastening groove is provided with a plurality of snap-fastening structures arranged at intervals, and the snap-fastening structure corresponds to and matches the snap-fastening structure.

2. The telescopic handle with a multi-stage limiting structure according to claim 1, characterized in that: The fixed handle is provided with a first electrical contact, and the movable handle is provided with a plurality of second electrical contacts arranged at intervals along the sliding direction, and the plurality of second electrical contacts are arranged in one-to-one correspondence with the plurality of buckling structures.

3. The telescopic handle with a multi-stage limiting structure according to claim 2, characterized in that: The first electrical contact is composed of a columnar metal part and a spring. The fixing handle is provided with a first mounting groove for assembling the columnar metal part. The columnar metal part can be movably arranged in the first mounting groove up and down. The spring is arranged in the first mounting groove. One end of the spring is against the bottom of the first mounting groove, and the other end of the spring is against the bottom end of the columnar metal part.

4. The telescopic handle with a multi-stage limiting structure according to claim 2, characterized in that: The second electrical contact is composed of a block metal piece. The movable handle is provided with a second mounting groove for assembling the block metal piece. The block metal piece is fixedly embedded in the second mounting groove.

5. The telescopic handle with a multi-stage limiting structure according to claim 1, characterized in that: A dust baffle is provided on one side of the fixed handle close to the movable handle, and the outer periphery of the dust baffle is fitted with the side of the movable handle close to the fixed handle.

6. The telescopic handle with a multi-stage limiting structure according to claim 5, characterized in that: A baffle mounting groove is provided on the fixed handle on one side close to the movable handle, and the dust baffle is rotated in the baffle mounting groove through a rotating shaft, and a torsion spring is sleeved on the rotating shaft, and a first force arm of the torsion spring is against the fixed handle, and a second force arm of the torsion spring is against one side of the dust baffle, and the other side of the dust baffle is against the groove wall of the baffle mounting groove.

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