Quick-release elastic pin structure for folding nursing bed and nursing bed
By introducing installation grooves and lock blocks into the elastic pin structure of the nursing bed, the design of automatically falling by using its own gravity, the problem of difficulty in assembling the existing nursing bed is solved, and the simple single assembly and compact structure of the nursing bed are realized, making it easy to make Transportation and storage.
Patent Information
- Application Number
- CN202323536589.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-25
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2033-12-25
AI Technical Summary
During the assembly process of existing nursing beds, users need to apply a large tension to achieve retraction and locking of the elastic pins, which makes it difficult to assemble individually and take up a large space or require assembly, affecting transportation and warehousing.
A quick bomb disposal pin structure for folding care beds is designed, including sleeve, pin, handle and spring. By setting up installation grooves and lock blocks on the pins, the lock block automatically falls by its own gravity. After the handle is released, Locking pins for easy assembly and locking is achieved by pressing back the lock block.
The simple single assembly of the nursing bed is realized, reducing the tension requirement during the assembly process, simplifying operation, and compact structure, making it easy to transport and warehousing.
Smart Images
Figure CN222172513U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of medical nursing equipment, in particular to a quick-release spring pin structure for a folding nursing bed and the nursing bed. Background Art
[0002] Nursing beds are used more and more widely in people's lives, such as hospitals, nursing homes, rehabilitation centers, and homes.
[0003] Existing nursing beds are generally integrated or modular. The integrated type takes up a large space and is not convenient for transportation and storage; while the modular type needs to be assembled before use. At present, locking is mostly achieved through a spring pin structure in conjunction with a pin slot. During the use of the existing spring pin, the user needs to constantly apply an outward pulling force to the handle of the spring pin to retract the pin, and it can be released to achieve assembly after it is aligned with the pin slot. It is difficult for a single person to assemble a nursing bed with this structure.
[0004] Therefore, in view of the shortcomings of the prior art, it is necessary to design a quick-release spring pin structure for a folding nursing bed and a nursing bed to solve the above problems. Utility Model Content
[0005] In order to overcome the above-mentioned deficiencies in the prior art, the utility model aims to provide a quick-release spring pin structure for a folding nursing bed and a nursing bed.
[0006] To achieve the above-mentioned purpose and other related purposes, the technical solution provided by the utility model is: a quick-release pin structure for a folding nursing bed, comprising a sleeve, a pin shaft, a handle and a spring, wherein the two ends of the sleeve are respectively provided with a first end cover and a second end cover, the first end cover is provided with a first through hole, and the second end cover is provided with a second through hole, the pin shaft is arranged in the sleeve, one end of the pin shaft extends out of the sleeve through the first through hole and is fixedly connected to the handle, and the other end of the pin shaft extends out of the sleeve through the second through hole and serves as a locking pin; a stop pin is provided on the pin shaft near the inner side of the second end cover, the spring is sleeved on the pin shaft, one end of the spring and the stop pin are abutted, and the other end of the spring and the inner side of the first end cover are abutted, and the part of the pin shaft close to the inner side of the first end cover is provided with an installation groove with a notch facing downward, and a locking block is hinged in the installation groove that can freely fall and extend out of the installation groove by its own gravity.
[0007] The preferred technical solution is: the stop pin is arranged horizontally, and the inner wall of the sleeve is provided with horizontal slide grooves arranged opposite to each other on the left and right sides, and the two ends of the stop pin are inserted into the two horizontal slide grooves in a one-to-one correspondence.
[0008] The preferred technical solution is: a hinge shaft is provided on one side of the installation groove away from the handle, and the locking block is hinged in the installation groove through the hinge shaft.
[0009] A nursing bed comprises a back support, a hip support and a leg support, wherein the back support is sleeved on the top side of the hip support, and the leg support is sleeved on the bottom side of the hip support, and the connecting ends of the back support and the leg support are provided with a quick-release pin structure for a folding nursing bed as described in any one of the above items, and the top and bottom connecting ends of the hip support are provided with pin grooves corresponding to the quick-release pin structure for the folding nursing bed.
[0010] Due to the application of the above technical solution, the utility model has the following beneficial effects:
[0011] The utility model provides a quick-release spring pin structure for a foldable nursing bed and a nursing bed, wherein a downwardly arranged installation groove is provided at a portion of the pin shaft close to the inner side of the first end cover, and a locking block is hinged in the installation groove and can freely fall down and extend out of the bottom side of the pin shaft by its own gravity; when in use, an outward pulling force is applied to the handle, the pin shaft extends outward, and the locking block automatically falls down under the action of its own gravity, at which time the handle is released, and the locking block is clamped between the first end cover and the handle, so that the pin shaft is difficult to automatically reset under the action of the spring, and the pin shaft can be kept in an unlocked state, thereby facilitating the assembly of the nursing bed; when locking is required, the locking block only needs to be pressed back into the installation groove; the structure is simple, and it is convenient for one person to assemble the nursing bed. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 The utility model is a schematic diagram of the quick-release pin structure.
[0013] Figure 2 The utility model is a cross-sectional view of the quick-release pin structure.
[0014] Figure 3 The utility model is a schematic diagram of the structure of a nursing bed. DETAILED DESCRIPTION
[0015] 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.
[0016] See also Figure 1-Figure 3. 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.
[0017] 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.
[0018] Example:
[0019] like Figure 1 to Figure 2 As shown, according to an overall technical concept of the utility model, a quick-release pin structure 100 for a folding nursing bed is provided, comprising a sleeve 1, a pin shaft 2, a handle 3 and a spring 4, wherein the two ends of the sleeve 1 are respectively provided with a first end cover 5 and a second end cover 6, the first end cover 5 is provided with a first through hole, the second end cover 6 is provided with a second through hole, the pin shaft 2 is arranged in the sleeve 1, one end of the pin shaft 2 extends out of the sleeve 1 through the first through hole and is fixedly connected to the handle 3, the other end of the pin shaft 2 extends out of the sleeve 1 through the second through hole and serves as a locking pin; a stop pin 7 is provided on the pin shaft 2 near the inner side of the second end cover 6, the spring 4 is sleeved on the pin shaft 2, one end of the spring 4 is abutted against the stop pin 7, the other end of the spring 4 is abutted against the inner side of the first end cover 5, the portion of the pin shaft 2 near the inner side of the first end cover 5 is provided with a mounting groove 21 with a notch facing downward, and a locking block 8 is hinged in the mounting groove 21 which can freely fall and extend out of the mounting groove 21 by its own gravity.
[0020] like Figure 1 to Figure 2As shown, in an exemplary embodiment of the utility model, the stop pin 7 is horizontally arranged, and horizontal slide grooves 11 are arranged relatively to the left and right on the inner wall of the sleeve 1. The two ends of the stop pin 7 are inserted into the two horizontal slide grooves 11 one by one for guiding to prevent the pin shaft 2 from rotating in the sleeve 1.
[0021] like Figure 1 to Figure 2 As shown, in an exemplary embodiment of the utility model, a hinge shaft 9 is provided on the side of the installation groove 21 away from the handle 3, and the locking block 8 is hinged in the installation groove 21 through the hinge shaft 9; this structure adjusts the rotation center of the locking block 8 so that the locking block 8 always falls from the side of the installation groove 21 close to the handle 3, which is convenient for unlocking during use.
[0022] like Figure 3 As shown, according to another overall technical concept of the utility model, a nursing bed is provided, including a back support 200, a hip support 300 and a leg support 400, the back support 200 is sleeved on the top side of the hip support 300, the leg support 400 is sleeved on the bottom side of the hip support 300, the connecting ends of the back support 200 and the leg support 400 are both provided with the above-mentioned quick-release pin structure 100 for a folding nursing bed, and the top and bottom connecting ends of the hip support 300 are provided with pin grooves (not shown) corresponding to the quick-release pin structure 100 for a folding nursing bed.
[0023] Therefore, the utility model has the following advantages:
[0024] The utility model provides a quick-release spring pin structure for a foldable nursing bed and a nursing bed, wherein a downwardly arranged installation groove is provided at a portion of the pin shaft close to the inner side of the first end cover, and a locking block is hinged in the installation groove and can freely fall down and extend out of the bottom side of the pin shaft by its own gravity; when in use, an outward pulling force is applied to the handle, the pin shaft extends outward, and the locking block automatically falls down under the action of its own gravity, at which time the handle is released, and the locking block is clamped between the first end cover and the handle, so that the pin shaft is difficult to automatically reset under the action of the spring, and the pin shaft can be kept in an unlocked state, thereby facilitating the assembly of the nursing bed; when locking is required, the locking block only needs to be pressed back into the installation groove; the structure is simple, and it is convenient for one person to assemble the nursing bed.
[0025] 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 quick-release pin structure for a folding nursing bed, comprising a sleeve, a pin shaft, a handle and a spring, wherein the two ends of the sleeve are respectively provided with a first end cover and a second end cover, the first end cover is provided with a first through hole, the second end cover is provided with a second through hole, the pin shaft is arranged in the sleeve, one end of the pin shaft extends out of the sleeve through the first through hole and is fixedly connected to the handle, the other end of the pin shaft extends out of the sleeve through the second through hole and serves as a locking pin; a stop pin is provided on the pin shaft near the inner side of the second end cover, the spring is sleeved on the pin shaft, one end of the spring abuts against the stop pin, and the other end of the spring abuts against the inner side of the first end cover, characterized in that: The portion of the pin shaft close to the inner side of the first end cover is provided with a mounting groove with a notch facing downward, and a locking block is hingedly provided in the mounting groove and can fall freely by its own gravity and extend out of the mounting groove.
2. The quick-release pin structure for a folding nursing bed according to claim 1, characterized in that: The stop pin is arranged horizontally, and horizontal slide grooves which are arranged opposite to each other on the inner wall of the sleeve are arranged on the left and right sides. The two ends of the stop pin are inserted into the two horizontal slide grooves in a one-to-one correspondence.
3. The quick-release pin structure for a folding nursing bed according to claim 1, characterized in that: A hinge shaft is provided on one side of the installation slot away from the handle, and the locking block is hinged in the installation slot through the hinge shaft.
4. A nursing bed, characterized in that: It includes a back support, a hip support and a leg support, the back support is sleeved on the top side of the hip support, the leg support is sleeved on the bottom side of the hip support, the connecting ends of the back support and the leg support are provided with a quick-release pin structure for a folding nursing bed as described in any one of claims 1 to 3, and the top and bottom connecting ends of the hip support are provided with pin grooves corresponding to the quick-release pin structure for the folding nursing bed.