Telescopic handle with dust blocking structure
The dust baffle is set on the fixing handle of the telescopic handle, and the problem of the drums between the drum into the motion handle and the fixing handle is solved, and the stability of dust protection and electrical contact are realized.
Patent Information
- Application Number
- CN202420646820.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-30
- Publication Date
- 2025-01-28
- Estimated Expiration
- 2034-03-30
AI Technical Summary
During use, the telescopic handles of existing handheld cleaning equipment are prone to dust and other debris entering the connection gap between the movable handle and the fixed handle, affecting the conduction of the electrical contact structure.
Design a telescopic handle with ash -shielding structure. The dust baffle is set on the side of the fixed handle near the side of the movement handle, the outer peripheral and activity handle of the dust baffle is set, and the dust baffle is used to achieve the return of the dust baffle through the rotation shaft and twist spring. Bullet rollover function to avoid dust entering.
Effectively avoid the connection gap between the mixed objects such as dust to enter the movement handle and the fixed handle, prevent hard friction and damage, and ensure the normal conduct of the electric contact structure.
Smart Images
Figure CN222398186U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of cleaning equipment, in particular to a telescopic handle with a dust blocking structure. Background Art
[0002] In order to meet the comfort level of people of different heights, the existing handheld cleaning equipment often designs the handle as a telescopic handle. The telescopic handle is usually composed of a fixed handle and a movable handle. One end of the fixed handle is usually rotatably connected to the machine head, and the movable handle is slidably arranged on the fixed handle. The user can adjust the position of the movable handle on the fixed handle according to the height, thereby adjusting the length of the handle. In addition, in order to extend the service life of the circuit structure, an abutment-type electrical contact structure is usually designed between the movable handle and the fixed handle. However, in actual practical use, it is found that dust and other debris can easily enter the connection gap between the movable handle and the fixed handle, and even affect the conduction of the electrical contact structure.
[0003] Therefore, in view of the shortcomings of the prior art, it is necessary to design a telescopic handle with a dust-blocking structure to solve the above problems. Utility Model Content
[0004] In order to overcome the above-mentioned deficiencies in the prior art, the utility model aims to provide a telescopic handle with a dust blocking structure.
[0005] 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 dust blocking structure, including a fixed handle and a movable handle, the movable handle is slidably disposed on the fixed handle and can slide to adjust the overall length of the handle, and a dust baffle is provided on the 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.
[0006] 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.
[0007] The preferred technical solution is: a first electrical contact is provided on the fixed handle, and a second electrical contact extending along the sliding direction is provided on the movable handle; when the movable handle slides on the fixed handle, the first electrical contact and the second electrical contact always remain connected to form a signal electrodeless transmission structure.
[0008] 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.
[0009] The preferred technical solution is: outer buckle strips arranged along the axial direction are provided on both sides of the fixed handle, inner buckle grooves arranged along the axial direction are provided on both sides of the movable handle, and the outer buckle strips are slidably buckled in the inner buckle grooves.
[0010] The preferred technical solution is: a spring buckle structure corresponding to the inner buckle groove is provided on the fixing handle, and a plurality of buckle structures corresponding to the spring buckle structure are provided in the inner buckle groove; and the plurality of buckle structures are arranged in one-to-one correspondence with the plurality of the second electrical contacts.
[0011] Due to the application of the above technical solution, the utility model has the following beneficial effects:
[0012] The telescopic handle with a dust blocking structure provided by the utility model has a dust blocking plate with a rebound flipping function on the side of the fixed handle close to the movable handle. This can prevent dust and other debris from entering the connection gap between the movable handle and the fixed handle, and can also prevent hard friction with the movable handle to cause abrasion. The utility model has a simple structure and is suitable for popularization and use. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a structural schematic diagram of the cleaning equipment involved in the utility model.
[0014] Figure 2 This is a schematic diagram of the fixed handle structure involved in the utility model.
[0015] Figure 3 The utility model is a schematic diagram of the movable handle structure.
[0016] Figure 4 It is a cross-sectional schematic diagram of the telescopic handle involved in the utility model.
[0017] Figure 5 It is a longitudinal cross-sectional schematic diagram of the telescopic handle involved in the utility model.
[0018] Figure 6 for Figure 5 A is an enlarged schematic diagram. DETAILED DESCRIPTION
[0019] 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.
[0020] 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.
[0021] 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.
[0022] Example:
[0023] like Figures 1 to 6 As shown, according to an overall technical concept of the utility model, a telescopic handle with a dust blocking structure is provided, including a fixed handle 1 and a movable handle 2. The movable handle 2 is slidably arranged on the fixed handle 1 and can slide to adjust the overall length of the handle. A dust baffle 6 is arranged on the side of the fixed handle 1 close to the movable handle 2. 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. 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.
[0024] 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 second electrical contact 4 extending along the sliding direction is provided on the movable handle 2; when the movable handle 2 slides on the fixed handle 1, the first electrical contact 3 and the second electrical contact 4 always remain in a connected state to form a signal non-polar transmission structure.
[0025] 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.
[0026] like Figures 1 to 6 As shown, in an exemplary embodiment of the present invention, the second electrical contact 4 is composed of a strip metal piece, and the movable handle 2 is provided with a second mounting groove for assembling the strip metal piece, and the strip metal piece is fixedly embedded in the second mounting groove as shown in FIG. Figures 1 to 6 As shown, in an exemplary embodiment of the present invention, the fixed handle 1 is provided with outer buckle strips 11 arranged along the axial direction on both sides, and the movable handle 2 is provided with inner buckle grooves 21 arranged along the axial direction on both sides, and the outer buckle strips 11 are slidably buckled in the inner buckle grooves 21. The above structure is used to realize the sliding connection between the movable handle 2 and the fixed handle 1.
[0027] like Figures 1 to 6 As shown, in an exemplary embodiment of the utility model, the fixed handle 1 is provided with a snap-on structure 5 corresponding to the inner snap-on groove 21, and the inner snap-on groove 21 is provided with a plurality of snap-on structures corresponding to the snap-on structure 5; the plurality of snap-on structures are arranged one by one corresponding to the plurality of second electrical contacts 4. When in use, the snap-on structure 5 can be snapped with the corresponding snap-on structure according to the height, thereby locking the movable handle 2 and the fixed handle 1.
[0028] Therefore, the utility model has the following advantages:
[0029] The telescopic handle with a dust-blocking structure provided by the utility model has a dust baffle with a rebound and flipping function on the side of the fixed handle close to the movable handle. While preventing dust and other debris from entering the connection gap between the movable handle and the fixed handle, it can also prevent hard friction with the movable handle, thereby preventing abrasion. The structure is simple and suitable for popularization and use. The above embodiments are only illustrative of the principles and effects of the utility model, and are not intended to limit the utility model. Anyone familiar with this technology can modify or change the above embodiments without violating the spirit and scope of the utility model. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the technical field without departing from the spirit and technical ideas disclosed by the utility model should still be covered by the claims of the utility model.
Claims
1. A telescopic handle with a dust-blocking structure, comprising a fixed handle and a movable handle, wherein the movable handle is slidably disposed on the fixed handle and can slide to adjust the overall length of the handle, 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.
2. The telescopic handle with dust-blocking structure according to claim 1, 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.
3. The telescopic handle with dust-blocking 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 second electrical contact extending along the sliding direction; when the movable handle slides on the fixed handle, the first electrical contact and the second electrical contact always remain connected to form a signal electrodeless transmission structure.
4. The telescopic handle with dust-blocking structure according to claim 3, 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.
5. The telescopic handle with dust-blocking structure according to claim 3, characterized in that: The second electrical contact piece is composed of a strip-shaped metal piece. The movable handle is provided with a second mounting groove for assembling the strip-shaped metal piece. The strip-shaped metal piece is fixedly embedded in the second mounting groove.
6. The telescopic handle with dust blocking structure according to claim 3, characterized in that: External buckle strips arranged along the axial direction are provided on both sides of the fixed handle, and internal buckle grooves arranged along the axial direction are provided on both sides of the movable handle, and the external buckle strips are slidably buckled in the internal buckle grooves.
7. The telescopic handle with dust blocking structure according to claim 6, characterized in that: The fixing handle is provided with a snap-fastening structure corresponding to the inner snap-fastening groove, and the inner snap-fastening groove is provided with a plurality of snap-fastening structures corresponding to the snap-fastening structure; the plurality of snap-fastening structures are arranged in one-to-one correspondence with the plurality of the second electrical contacts.