Anti-pinch split hinge
By setting a shield on the fixed seat of the split hinge to block the opening between the movable seat and the linkage, the problem of fingers being pinched when the split hinge is in the unfolded state is solved, thus improving safety.
Patent Information
- Application Number
- CN202423228633.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-12-26
AI Technical Summary
When the existing split hinge is in the unfolded state, an openable opening is formed between the fixed seat, the movable seat, the first linkage, and the second linkage, which makes it easy for users to insert their fingers and get pinched, posing a safety hazard.
Design a finger-pinch-proof split hinge. By setting a blocking part on the fixed base to block the opening between the movable base, the first linkage, and the second linkage, and by utilizing the structural design of the tension spring and the linkage, the blocking part blocks the opening when the hinge is in the unfolded state, preventing fingers from being inserted.
This effectively prevents users from being pinched by the split hinge, improving safety during use.
Smart Images

Figure CN223463848U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of furniture, in particular to a split hinge for preventing hand pinching. Background Art
[0002] Many existing furniture items, such as beds and sofas, feature a reversible flap connected by a split hinge, which allows for the flap to be flipped and positioned. Existing split hinges (such as the split hinge disclosed in Chinese Patent CN219762929U) generally include a fixed base, a movable base, and a first and second linkage members, each connected to the fixed and movable bases, and a tension spring. These hinges can be maintained in both folded and unfolded states. However, existing split hinges present a problem: when in the unfolded state, a closable opening is formed between the fixed base, movable base, first and second linkage members. This creates a risk for users who insert their fingers into this opening when retracting the hinge from the unfolded state to the folded state, potentially causing them to be pinched by the hinge. This poses a safety hazard.
[0003] In view of the existence of the above problems, it is necessary to study an anti-pinch split hinge that can effectively prevent users from being pinched. Utility Model Content
[0004] The purpose of the utility model is to provide an anti-pinch split hinge, which can effectively prevent users from being pinched.
[0005] In order to achieve the above objectives, the solution of the present invention is:
[0006] The cam is connected to the movable base by the movable member, and the movable member is connected to the fixed base by the movable member, and the movable member is connected to the fixed base by the movable member.
[0007] The first linking member and the second linking member are located between the fixed seat and the movable seat.
[0008] The second linking member is bent to form a baffle, which movably abuts against the expansion limiting portion of the movable seat.
[0009] The movable seat is bent to form a connecting plate.
[0010] The connecting plate is provided with a connecting hole.
[0011] The fixed seat and the movable seat are respectively matched with a first tension spring connecting column and a second tension spring connecting column, and the first end and the second end of the tension spring are connected with the first tension spring connecting column and the second tension spring connecting column respectively.
[0012] The first tension spring connecting column and the second tension spring connecting column are respectively provided with a first ring groove and a second ring groove, and the first end and the second end of the tension spring are respectively sleeved in the first ring groove and the second ring groove.
[0013] The fixed seat is provided with a fixed notch.
[0014] The upper and lower ends of the first connecting member are respectively pivoted with the movable seat and the fixed seat through a first pivoting shaft.
[0015] The upper and lower ends of the second connecting member are respectively pivoted with the movable seat and the fixed seat through a second pivoting shaft.
[0016] After the above scheme is adopted, the fixed seat of the utility model is provided with a shielding part; when the anti-pinch hand split hinge is in an unfolded state, the shielding part shields an openable and closable opening formed between the movable seat, the first connecting member and the second connecting member, so that the hand of a user cannot be inserted into the openable and closable opening, thereby effectively avoiding that the user is pinched by the anti-pinch hand split hinge. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is a structural exploded view of the utility model.
[0018] Figure 2 It is a structural schematic view of the utility model in a folded state Figure One .
[0019] Figure 3 It is a structural schematic view of the utility model in a folded state Figure Two .
[0020] Figure 4 It is a structural schematic view of the utility model in a folded state Figure Three .
[0021] Figure 5 It is a structural schematic view of the utility model in an unfolded state Figure One .
[0022] Figure 6 It is a structural schematic view of the utility model in an unfolded state Figure Two .
[0023] Figure 7 It is a structural schematic view of the utility model in an unfolded stateFigure Three .
[0024] Label description:
[0025] Fixed seat 1, shielding part 11, fixed notch 12,
[0026] Movable seat 2, unfolding limiting part 21, connecting plate 22, connecting hole 221,
[0027] First connecting member 3,
[0028] Second connecting member 4, baffle 41,
[0029] Tension spring 5,
[0030] First tension spring connecting column 6, first ring groove 61,
[0031] Second tension spring connecting column 7, second ring groove 71,
[0032] First pivot shaft 8,
[0033] Second pivot shaft 9,
[0034] Openable and closable opening S. Specific implementation
[0035] In order to further explain the technical scheme of the utility model, the utility model will be described in detail through specific embodiments.
[0036] As Figures 1 to 7 shown, the utility model discloses a kind of anti-pinch hand split hinge, including fixed seat 1, movable seat 2, first connecting member 3, second connecting member 4 and tension spring 5;The upper and lower ends of first connecting member 3 are respectively connected with movable seat 2 and fixed seat 1;The upper and lower ends of second connecting member 4 are respectively connected with movable seat 2 and fixed seat 1, and second connecting member 4 is at lower side, and the spacing between the upper end of second connecting member 4 and the upper end of first connecting member 3 is less than the spacing between the lower end of second connecting member 4 and the lower end of first connecting member 3;The first end of tension spring 5 is connected with fixed seat 1, and the first end of tension spring 5 is located between the lower end of first connecting member 3 and the lower end of second connecting member 4, and the second end of tension spring 5 is connected with movable seat 2 and the second end of tension spring 5 is located above the upper end of second connecting member 4;Movable seat 2 is equipped with unfolding limiting part 21 of active clamping second connecting member 4. When the anti-pinch hand split hinge of the utility model is in folded state, the tension of tension spring 5 to fixed seat 1 and movable seat 2 makes that the anti-pinch hand split hinge of the utility model stably keeps in folded state;When turning movable seat 2 to the anti-pinch hand split hinge of the utility model is in unfolded state, the unfolding limiting part 21 of movable seat 2 is clamped to second connecting member 4 at this time, so that first connecting member 3 and second connecting member 4 can not rotate again, so that the anti-pinch hand split hinge of the utility model stably keeps in unfolded state.
[0037] cooperating Figure 6 The utility model discloses a key lies in: the fixed seat 1 is equipped with the sheltering part 11, when the anti -pinch hand split hinge of the utility model is in the unfolded state, the sheltering part 11 shields the openable opening S formed between the movable seat 2, first linkage 3 and second linkage 4, so that the user's hand cannot extend into the openable opening S, thereby effectively avoiding the user being injured by the anti -pinch hand split hinge of the utility model.
[0038] In the embodiment of the utility model, the fixed seat 1 is equipped with fixed gap 12, so as to be fixed to the fixed seat 1 in the required fixed position by fastener.
[0039] In the embodiment of the utility model, the movable seat 2 is bent and forms connecting plate 22, and the connecting plate 22 can be used to connect the flip cover plate, and the connecting plate 22 is equipped with connecting hole 221 to be connected with the flip cover plate by screw.
[0040] In the embodiment of the utility model, the fixed seat 1 and movable seat 2 are respectively matched with first tension spring connecting column 6 and second tension spring connecting column 7, and the first end and the second end of tension spring 5 are connected with first tension spring connecting column 6 and second tension spring connecting column 7 respectively. Wherein, first tension spring connecting column 6 and second tension spring connecting column 7 are respectively equipped with first ring groove 61 and second ring groove 71, and the first end and the second end of tension spring 5 are respectively sleeved in first ring groove 61 and second ring groove 71, so that the tension spring 5 can be effectively prevented from falling off.
[0041] In the embodiment of the utility model, the first linkage 3 and second linkage 4 are between the fixed seat 1 and movable seat 2, that is, the first linkage 3 and second linkage 4 are in the same plane, so that the minimum thickness of the anti -pinch hand split hinge of the utility model can be effectively reduced. Wherein, the second linkage 4 is bent and forms a baffle 41, and the baffle 41 movably abuts against the unfolding limiting portion 21 of the movable seat 2, when the movable seat 2 is turned over to the unfolded state of the anti -pinch hand split hinge of the utility model, at this time, the unfolding limiting portion 21 of the movable seat 2 clamps the baffle 41 of the second linkage 4.
[0042] In the embodiment of the utility model, the upper and lower ends of the first linkage 3 can be respectively pivoted with the movable seat 2 and the fixed seat 1 through the first pivot shaft 8, and the upper and lower ends of the second linkage 4 can be respectively pivoted with the movable seat 2 and the fixed seat 1 through the second pivot shaft 9.
[0043] The above embodiment and drawing are not limited to the product shape and style of the utility model, and any ordinary skilled person in the art can make appropriate changes or modifications, which should be regarded as not departing from the patent scope of the utility model.
Claims
1. A split hinge for preventing hand clamping, comprising a fixed seat, a movable seat, a first connecting member, a second connecting member and a tension spring; the upper and lower ends of the first connecting member are respectively pivotally connected with the movable seat and the fixed seat; the upper and lower ends of the second connecting member are respectively pivotally connected with the movable seat and the fixed seat, and the second connecting member is on the lower side; the distance between the upper end of the second connecting member and the upper end of the first connecting member is smaller than the distance between the lower end of the second connecting member and the lower end of the first connecting member; the first end of the tension spring is connected with the fixed seat, the first end of the tension spring is located between the lower end of the first connecting member and the lower end of the second connecting member, the second end of the tension spring is connected with the movable seat and the second end of the tension spring is located above the upper end of the second connecting member; the movable seat is provided with an unfolding limiting part for clamping the second connecting member; characterized in that: the fixed seat is provided with a shielding part; when the split hinge for preventing hand clamping is in an unfolded state, the shielding part shields an openable and closable opening formed between the movable seat, the first connecting member and the second connecting member. The first connecting member and the second connecting member are located between the fixed seat and the movable seat.
2. The self-releasing hinge of claim 1, wherein: The second connecting member is bent to form a baffle, and the baffle is clamped against the unfolding limiting part of the movable seat.
3. The self-retracting fall arrest body harness of claim 1, wherein: The movable seat is bent to form a connecting plate.
4. The self-retracting fall arrest body harness of claim 1, wherein: The connecting plate is provided with a connecting hole.
5. The self-retracting fall arrest body harness of claim 4, wherein: The fixed seat and the movable seat are respectively matched with a first tension spring connecting column and a second tension spring connecting column, and the first end and the second end of the tension spring are respectively connected with the first tension spring connecting column and the second tension spring connecting column.
6. The self-retracting fall arrest body part separator of claim 1, wherein: The first tension spring connecting column and the second tension spring connecting column are respectively provided with a first ring groove and a second ring groove, and the first end and the second end of the tension spring are respectively sleeved in the first ring groove and the second ring groove.
7. The self-retracting fall arrest body harness of claim 6, wherein: The fixed seat is provided with a fixed notch.
8. The self-retracting fall arrest body part separation hinge of claim 1, wherein: The upper and lower ends of the first connecting member are respectively pivotally connected with the movable seat and the fixed seat through a first pivot shaft.
9. The self-retracting fall arrest body part separation hinge of claim 1, wherein: The upper and lower ends of the second connecting member are respectively pivotally connected with the movable seat and the fixed seat through a second pivot shaft.
10. The self-retracting fall arrest body part separation hinge of claim 1, wherein:
Citation Information
Patent Citations
Hinge structure of turning cover plate of headboard
CN219762929U