CN113080645A - Locking device suitable for buffer mechanism - Google Patents
Locking device suitable for buffer mechanism Download PDFInfo
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- CN113080645A CN113080645A CN202110501317.3A CN202110501317A CN113080645A CN 113080645 A CN113080645 A CN 113080645A CN 202110501317 A CN202110501317 A CN 202110501317A CN 113080645 A CN113080645 A CN 113080645A
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Support for the head or the back
- A47C7/38—Support for the head or the back for the head
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
- A61G5/12—Rests specially adapted therefor, e.g. for the head or the feet
- A61G5/121—Rests specially adapted therefor, e.g. for the head or the feet for head or neck
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- Otolaryngology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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Abstract
The utility model provides a locking device suitable for buffer gear, including a main part, a switching structure, a fixed bolster, utilize reciprocating of switching structure to switch the fixed bolster whether with the buffer gear card with, after adopting above-mentioned scheme, the user can switch over locking device's state at any time according to self demand, especially utilize spacing post to block into the arc breach of fixed bolster with the card, make spacing post block in spacing groove and arc breach simultaneously, spacing post blocks spacing base and fixed bolster promptly, in order to ensure that the main part of fixing with spacing base blocks with the fixed bolster, make buffer gear no longer can drive the main part swing, because the intensity of spacing post is big, block behind spacing groove and arc breach, difficult the slippage takes off easily, the stability of this product has been guaranteed.
Description
Technical Field
The invention relates to the technical field of headrests of seats and wheelchairs, in particular to a locking device suitable for a buffer mechanism.
Background
The head rest of the traditional wheelchair is provided with a cushion body made of shock-absorbing materials such as high-density foaming sponge or foam on the part contacted with the head of a human body, so that the external impact force can be reduced and dispersed, the aims of protecting the head of a user and reducing injury are fulfilled, but the cushion body can be deformed in a small range generally to transmit and absorb the impact force, and the impact force cannot be sufficiently and effectively dispersed and absorbed only by the cushion body when the impact force is large.
Therefore, the existing inventor designs a buffer mechanism on a chair (wheelchair), utilizes the structural cooperation of the damping mechanism (such as a damping cylinder) and the swinging piece to disperse impact force and achieve the buffer effect, and is particularly suitable for some emergency patients such as epileptics or mental patients.
However, in some occasions, the buffering effect of the larger radian can cause discomfort, for example, when a user needs to rest quietly, the user slightly leans on the headrest, so that the use feeling is not good.
Based on this, the inventor has designed the locking structure of buffer gear, but current locking structure often is comparatively thin, and easy the back takes off smoothly after the power, and the locking effect is not good.
Disclosure of Invention
The invention aims to provide a locking device of a buffer mechanism, which is easy to switch, has high locking strength and stable performance, and is beneficial to improving the use feeling of a user by switching the locking or unlocking state of the buffer mechanism by the user.
In order to achieve the above purpose, the solution of the invention is: a locking device suitable for a buffer mechanism comprises a main body, a switching structure and a fixed bracket;
the main body is internally provided with a transverse cavity and a positioning groove which is longitudinally penetrated, and the intersection of the positioning groove and the transverse cavity is communicated; the main body is used for linking with the buffer mechanism; the main body is fixedly provided with a limiting base, the limiting base comprises an accommodating cavity and a limiting groove, and the bottom of the accommodating cavity is communicated with the limiting groove;
the switching structure comprises a switching pin shaft, a connecting sheet, a guide base and a limiting column; the switching pin shaft penetrates through the positioning groove of the shell, and the switching pin shaft can be switched and fixed at least two relative up-down positions in the positioning groove, specifically an upper stop position and a lower stop position; the switching pin shaft is fixedly connected with the guide base through a connecting sheet arranged in a transverse cavity of the main body; the guide base is arranged in the containing cavity of the limiting base, the limiting column is transversely arranged in the limiting groove, the guide base is fixedly connected with the limiting column, and the limiting column stays at the upper and lower point positions in the limiting groove along with the switching pin shaft staying at the upper stop position or the lower stop position;
the fixed bolster, this fixed bolster and spacing groove relative position are equipped with an at least arc breach, and there is the overlap region in this arc breach and spacing groove, when switching round pin axle stops in the lower stop position, spacing post card has prevented crisscross removal between spacing base and the fixed bolster simultaneously in spacing groove and arc breach to prevent that the main part from producing crisscross removal through buffer gear and fixed bolster, make buffer gear stop work and by the closure.
Furthermore, two positioning holes which are sequentially arranged up and down are arranged on the inner wall of the positioning groove; the switching pin shaft is opposite to the positioning hole, an elastic control mechanism which can reciprocate back and forth under stress is fixedly arranged at the position, the elastic control mechanism is opposite to the positioning hole, a positioning convex particle is arranged on the side surface of the elastic control mechanism, and the positioning convex particle is switched and embedded into the two positioning holes along with the up-and-down movement of the switching pin shaft; along with the switching of the positioning convex particles in the upper positioning hole and the lower positioning hole, the switching pin shaft stays at the upper stop position or the lower stop position.
Furthermore, the elastic control mechanism comprises a control base and a spring, wherein the control base is opposite to the positioning hole, one side surface of the control base is provided with a positioning convex particle, the middle part of the opposite side surface is provided with a spring fixing cavity, and two sides of the spring fixing cavity are provided with a guide post parallel to the spring fixing cavity; the switching pin shaft is provided with a cavity which is matched with the control base in shape, the spring is arranged in the spring fixing cavity, the control base is arranged in the cavity of the switching pin shaft and tightly presses the spring between the spring fixing cavity and the cavity, and the control base can realize a reciprocating motion track in the cavity under the deformation elasticity of the spring.
Furthermore, a first hollow-out window is arranged on the inner wall of the positioning groove towards the outside of the main body, and the first hollow-out window and the two positioning holes are in the same direction; the first hollow window is provided with a switching button which is propped against the surface of the elastic control mechanism where the positioning convex particles are located.
Furthermore, the main body is linked and locked with the buffer mechanism through a limiting base.
Furthermore, a screw locks the guide base and the limiting column in the limiting groove.
Furthermore, the main part is formed by assembling at least two shells, the corresponding positions of the two shells are provided with longitudinal positioning sinking grooves and transverse cavities communicated with the positioning sinking grooves, after the two shells are assembled, the two positioning sinking grooves are combined to form positioning grooves, and the two transverse cavities are combined to form transverse cavities.
Furthermore, the switching pin shaft is provided with an indicating mark, a second hollow window is arranged on the inner wall of the positioning groove towards the outer part of the main body, and the indicating mark is displayed outwards through the second hollow window and used for indicating the position of the switching pin shaft.
Furthermore, two indication pictures of unlocking and locking are arranged on the side edge of the second hollow window from top to bottom, and when the switching pin shaft stays at the upper stop position, the indication mark points to the unlocking indication picture upwards; when the switching pin shaft stays at the lower stop position, the indicating mark points to the locking indicating picture.
Furthermore, an inward first through groove is formed in the switching pin shaft, and one end of the connecting sheet is inserted into the first through groove and fixed; an inward second through groove is also formed in the guide base body, and the other end of the connecting sheet is inserted into the second through groove and fixed.
Further, the guide base is provided with a first guide block which is abutted against the limiting column downwards, and an abutting surface of the first guide block which is abutted against the limiting column is set to be an arc surface and further abutted against the limiting column in a seamless manner.
Further, a second guide block is arranged downwards on a guide base of the switching structure, and a guide groove is formed between the second guide block and the first guide block; the containing cavity of the limiting base is divided into a containing block by a limiting groove vertically arranged at the bottom of the containing cavity, and the containing block is just clamped in the guide groove; and the accommodating cavity moves up and down along the accommodating block along with the switching pin shaft staying at the upper stop position or the lower stop position.
Furthermore, the periphery of the extension of the guide base of the switching structure is provided with an inward contracting surface so as to reduce the contact surface between the guide base and the accommodating cavity and reduce friction.
Furthermore, the fixing support is a U-shaped cavity formed by bending a locking piece, two side walls of the locking piece extend backwards to form two corresponding fins, and mounting holes are formed in the corresponding positions of the two fins; the buffer mechanism is arranged in the U-shaped cavity, and one end of the damping structure of the buffer mechanism is fixed between the two fins; the two side walls of the locking piece are respectively provided with corresponding protruding areas, the protruding areas of the two side walls are respectively overlapped with the two side walls of the limiting groove, the protruding areas of the two side walls are respectively provided with an arc-shaped notch, when the switching pin shaft stays at the lower stop position, the limiting column is downwards clamped into the two arc-shaped notches simultaneously.
After adopting above-mentioned scheme, the user can switch closure device's state at any time according to self demand, especially utilize spacing post to block into the arc breach of fixed bolster with the card, make spacing post block in spacing groove and arc breach simultaneously, spacing base and fixed bolster card are died promptly, in order to ensure that the main part fixed with spacing base blocks with the fixed bolster, make buffer gear can no longer drive the main part swing, because the intensity of spacing post is big, block behind spacing groove and arc breach, difficult the sideslip easily, the stability of this product has been guaranteed.
Drawings
FIG. 1 is an exploded schematic view of an embodiment of the present invention;
FIG. 2 is a perspective view of a limit base in an embodiment of the invention;
FIG. 3 is a schematic structural diagram of a switching pin according to an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of a switching pin according to an embodiment of the present invention;
FIG. 5 is an exploded view of the switching pin and spring control mechanism of the present invention;
FIG. 6 is a schematic view of an embodiment of the present invention;
FIG. 7 is a schematic structural view of the locked state of the embodiment of the present invention;
FIG. 8 is a cross-sectional view of the embodiment of the present invention in a locked state;
FIG. 9 is a schematic structural view of an embodiment of the present invention in an unlocked (unlocked) condition;
fig. 10 is a cross-sectional view of an embodiment of the invention in an unlocked (unlocked) condition.
Detailed Description
The invention is described in detail below with reference to the figures and the specific embodiments.
Example (b):
as shown in fig. 1 to 9, a locking device for a damper mechanism 6 includes a main body 1, a switching structure 2, a fixing bracket 4;
the main body 1 is formed by assembling two shells 11, a transverse cavity 12 is formed by the two shells 11 in the main body 1, a longitudinal positioning sinking groove 111 is arranged at the corresponding position of the two shells 11, the two longitudinal positioning sinking grooves 111 are combined to form a positioning groove 13 which is longitudinally penetrated after the two shells 11 are assembled, and two positioning holes which are sequentially arranged up and down are arranged on the inner wall of the positioning sinking groove 111 of one shell 11, specifically an upper positioning hole 1311 and a lower positioning hole 1312;
a first hollow-out window 132 and a second hollow-out window 133 are arranged on the inner wall of the positioning groove 13 towards the outside of the main body 1, and the first hollow-out window 132 and the two positioning holes 1311 and 1312 are in the same direction; in the present embodiment, the second hollow-out window 133 and the first hollow-out window 132 are set to be opposite to each other.
The switching structure 2 comprises a switching pin shaft 21, a connecting sheet 22 and a guide base 23; the switching pin 21 is inserted into the positioning slot 13 of the housing 11, and an elastic control mechanism 211 which is stressed to reciprocate back and forth is fixedly arranged at a position opposite to the two positioning holes 1311,1312, the elastic control mechanism 211 comprises a control base 2112 and a spring 2115, a positioning convex particle 2111 is arranged at the upper part of one side of the control base 2112 opposite to the positioning hole 1311,1312, a spring fixing cavity 2113 is arranged at the middle part of the other side, and guide posts 2114 which are parallel to the spring fixing cavity 2113 are arranged at two sides 43 of the spring fixing cavity 2113; the switching pin 21 has a cavity 214 corresponding to the shape of the control base 2112, as shown in fig. 2-4, the middle of the cavity 214 has a middle cavity 2141 corresponding to the spring fixing cavity 2113, and two sides of the middle cavity 2141 have a side cavity 2142 for placing two guide posts 2114 of the control base 2112; one end of the spring 2115 is arranged in the spring fixing cavity 2113, the control base 2112 is arranged in the cavity 214 of the switching pin shaft 21, the spring fixing cavity 2113 is arranged in the middle cavity 2141, the two guide posts 2114 are respectively arranged in the cavities 2142 at the two sides, and the spring 2115 is tightly pressed between the spring fixing cavity 2113 and the middle cavity 2141 of the cavity 214;
a switching button 7 is arranged on the first hollow-out window 132 of the positioning groove 13, the switching button 7 is abutted against the middle part of the side surface where the positioning convex particle 2111 of the control base 2112 is located, and corresponds to the spring fixing cavity 2113 on the back surface, and the control base 2112 can realize reciprocating movement back and forth in the cavity 214 under the deformation elastic force of the spring 2115 and the pressing force of the switching button 7; this design does benefit to switching button 7 and the impetus of spring 2115 all at the middle part of control base 2112 for two power are in a line as far as possible, because the cooperation of both sides guide post 2114 and both sides cavity 2142, make control base 2112 atress balanced, more do benefit to the atress stability in the switching process, have promoted the use and have experienced.
A connecting sheet 22 and a guide base 23 are arranged in the transverse cavity 12 of the main body 1, and the switching pin shaft 21 is fixedly connected with the guide base 23 through the connecting sheet 22; an inward first through groove 213 is formed on the switching pin shaft 21, and one end of the connecting sheet 22 is inserted into and fixed to the first through groove 213; the base body of the guiding base 23 is also provided with an inward second through groove (not shown), and the other end of the connecting piece 22 is inserted into the second through groove and fixed, in this embodiment, two ends of the connecting piece 22 are respectively in close fit (or interference fit) with the first through groove 213 and the second through groove to ensure a stable connection effect between the three.
The positioning convex particles 2111 are switched and embedded into two positioning holes 1311 and 1312 along with the up-and-down movement of the switching pin shaft 21, and when the positioning convex particles 2111 are embedded into the upper positioning hole 1311, the switching pin shaft 21 is in an upper stop position; when the positioning convex particle 2111 is embedded into the lower positioning hole 1312, the switching pin 21 is in a lower stop position;
a first guide block 232 is arranged downwards on the guide base 23, and an abutting surface 2321 below the first guide block 232 is an arc surface; a second guide block 234 is arranged downwards on the guide base 23 of the switching structure 2, and a guide groove 235 is formed between the second guide block 234 and the first guide block 232;
the limiting structure 3 comprises a limiting base 31 and a limiting column 32, and the main body 1 is linked with the buffer mechanism 6 through the limiting base 31; the position limiting base 31 comprises an accommodating cavity 311 and a position limiting groove 312, the bottom of the accommodating cavity 311 is communicated with the position limiting groove 312 vertically arranged at the bottom of the accommodating cavity, and an accommodating block 3111 is divided by the position limiting groove 312;
the guide base 23 of the switching structure 2 is arranged in the accommodating cavity 311, and the extending periphery of the guide base 23 of the switching structure 2 is provided with an inward contracting surface 233, so that the contact surface between the guide base 23 and the accommodating cavity 311 is reduced, and friction is reduced; the limit column 32 is transversely arranged in the limit groove 312, the arc surface of the abutting surface 2321 of the first guide block 232 further abuts against the limit column 32, a screw 5 penetrates through the guide base 23 and the first guide block 232 to lock the limit column 32 in the limit groove 312 to the abutting surface 2321 of the first guide block 232 in a seamless manner, and the limit column 32 stays at the upper stop position or the lower stop position along with the switching of the switching pin shaft 21 at the upper stop position and the lower stop position; meanwhile, the accommodating block 3111 is just clamped in the guide groove 235; as the switching pin 21 stays at the upper stop position or the lower stop position, the receiving cavity 311 moves up and down along the receiving block 3111.
The fixing support 4 is a U-shaped cavity 42 formed by bending a locking piece 40, two side walls 43 of the locking piece 40 simultaneously extend backwards to form two corresponding fins 401, and mounting holes are formed in the corresponding positions of the two fins 401; the buffer mechanism 6 is arranged in the U-shaped cavity 42, one end of the damping structure 61 of the buffer mechanism 6 is fixed between the two fins 401, and the buffer mechanism 6 can buffer in the U-shaped cavity 42; two side walls 43 of the locking piece 40 are respectively provided with corresponding protruding areas 44, the protruding areas 44 of the two side walls 43 respectively have overlapping areas with the two side walls 43 of the limiting groove 312, the protruding areas 44 of the two side walls 43 are both provided with an arc-shaped notch 41, and the limiting column 32 is simultaneously clamped into the two arc-shaped notches 41 when the switching pin 21 is at the lower stop position.
The switching pin shaft 21 is provided with an indication mark 212, the indication mark 212 is displayed outwards through the second hollow window 133, the side edge of the second hollow window 133 is provided with two indication diagrams 2121 and 2122 for unlocking and locking from top to bottom, when the switching pin shaft 21 stays at the upper stop position, the indication mark 212 is positioned in the unlocking indication diagram 2121 above, which shows that the locking device of the buffer mechanism 6 is in an open state, and the buffer mechanism 6 can realize a buffer effect; when the switching pin 21 stays at the lower stop position, the indication mark 212 is located at the lower locking indication diagram 2122, which shows that the locking device of the buffer mechanism 6 is in the locking state, and the buffer mechanism 6 cannot achieve the buffering effect. Accordingly, the user can select whether to lock the damper mechanism 6.
In actual use, the initial state is described as the non-locking state, as shown in fig. 8 and 9, and initially, as spring 2115 is compressed between spring holding cavity 2113 and middle chamber 2141 of cavity 214, spring 2115 generates an outwardly restoring bias, so that the positioning protrusion 2111 of the control base 2112 is inserted into the upper positioning hole 1311, and at this time, the switching pin 21 is fixed to the upper stop position, and the limiting column 32 locked and moved along with the switching pin 21 by the guiding base 23 is located at the upper point position, at this time, the limiting column 32 is not clamped into the two arc-shaped notches 41 of the locking structure 4, therefore, when the buffer mechanism 6 is stressed and buffered in the U-shaped cavity 42, the main body 1 realizes a buffer effect along with the buffer mechanism 6, the limit column 32 only moves back and forth along with the main body 1 in the limit groove 312, no limiting effect is caused on the buffer mechanism 6, and at the moment, the buffer mechanism is not locked;
as shown in fig. 6 and 7, if it is required to switch to the locking state, only the switch button 7 needs to be pressed inward, and the switch button 7 presses the control base 2112, so that the spring 2115 in the back spring fixing cavity 2113 is pressed inward to contract, and the positioning protrusion 2111 on the control base 2112 is disengaged from the embedded upper positioning hole 1311; meanwhile, the switching pin shaft 21 is pressed downwards to drive the positioning convex particles 2111 of the control base 2112 to align with the lower positioning hole 1312, the switching button 7 is released, the spring 2115 recovers outwards to generate thrust, the positioning convex particles 2111 are driven to be embedded into the lower positioning hole 1312, the switching pin shaft 21 is fixed at a lower stop position, at the moment, the limiting columns 32 are clamped into the two arc-shaped notches 41 of the locking structure 4, the limiting columns 32 are clamped in the limiting grooves 312 and the arc-shaped notches 41 at the same time, once the buffer mechanism 6 is buffered by force, the limiting columns 32 prevent the staggered movement between the limiting base 31 and the locking structure 4, so that the main body 1 is prevented from generating the staggered movement with the fixed support 4 through the buffer mechanism 6, and the buffer mechanism 6 stops working and is locked;
as shown in fig. 8 and 9, if the state needs to be switched to the non-locked state again, the switch button 7 needs to be pressed inward again, and the switch pin 21 is pushed upward, so that the positioning protrusion 2111 of the control base 2112 leaves the lower positioning hole 1312 and is embedded into the upper positioning hole 1311, and the non-locked state can be realized, and the buffer mechanism 6 can be used conventionally again.
In this embodiment, the indication mark 212 on the switching pin 21 can be designed such that when the indication mark 212 is located in the upper unlocking indication map 2121, the positioning protrusion 2111 is just inserted into the upper positioning hole 1311, indicating that the locking device of the buffer mechanism 6 is in the open state; when the indication mark 212 is located on the lower locking indication map 2122, the positioning protrusion 2111 is just inserted into the lower positioning hole 1312, indicating that the locking device of the buffer mechanism 6 is in a locked state; based on such a design, the indication mark 212 can be used as an indication basis of the current state, and the protruding design of the indication mark 212 can be utilized to realize a limiting effect on the upper and lower edges of the second hollow window 133, thereby avoiding the problem that the switching pin 21 is shifted upwards or downwards and cannot be aligned with the upper positioning hole 1311 or the lower positioning hole 1312.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.
Although embodiments of the present invention have been shown and described, it is understood that the embodiments and drawings are illustrative and not restrictive, and that various changes, modifications, substitutions and alterations may be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (14)
1. A locking device adapted for use with a cushioning mechanism, comprising: comprises a main body (1), a switching structure (2) and a fixed bracket (4);
a transverse cavity (12) and a positioning groove (13) which is longitudinally penetrated are arranged in the main body (1), and the intersection of the positioning groove (13) and the transverse cavity (12) is communicated; the main body (1) is used for being linked with the buffer mechanism (6); the main body (1) is fixedly provided with a limiting base (31), the limiting base (31) comprises an accommodating cavity (311) and a limiting groove (312), and the bottom of the accommodating cavity (311) is communicated with the limiting groove (312);
the switching structure (2) comprises a switching pin shaft (21), a connecting sheet (22), a guide base (23) and a limiting column (32); the switching pin shaft (21) penetrates through the positioning groove (13) of the shell (11), and the switching pin shaft (21) can be switched and fixed in at least two relative up-and-down positions in the positioning groove (13), specifically an upper stop position and a lower stop position; the switching pin shaft (21) is fixedly connected with the guide base (23) through a connecting sheet (22) arranged in the transverse cavity (12) of the main body (1); the guide base (23) is arranged in the containing cavity (311) of the limiting base (31), the limiting column (32) is transversely arranged in the limiting groove (312), the guide base (23) is fixedly connected with the limiting column (32), and the limiting column (32) is stopped at the upper point position and the lower point position in the limiting groove (312) along with the switching pin shaft (21) being stopped at the upper stop position or the lower stop position;
the fixed support (4), this fixed support (4) and spacing groove (312) relative position are equipped with at least one arc breach (41), and this arc breach (41) and spacing groove (312) have the overlap region, when switching round pin axle (21) stop in the lower stop position, spacing post (32) block simultaneously in spacing groove (312) and arc breach (41), prevented crisscross removal between spacing base (31) and fixed support (4) to prevent main part (1) and fixed support (4) through buffer gear (6) and produce crisscross removal, make buffer gear (6) stop work and be locked.
2. A lock adapted for use with a damper mechanism according to claim 1, wherein: two positioning holes (1311,1312) which are sequentially arranged up and down are arranged on the inner wall of the positioning groove (13); an elastic control mechanism (211) which can reciprocate back and forth under stress is fixedly arranged at the position, opposite to the positioning hole (1311,1312), of the switching pin shaft (21), a positioning convex grain (2111) is arranged on the side face, opposite to the positioning hole (1311,1312), of the elastic control mechanism (211), and the positioning convex grain (2111) moves up and down along with the switching pin shaft (21) to be switched and embedded into the two positioning holes (1311,1312); with the switching of the positioning convex particles (2111) in the upper and lower positioning holes (1311,1312), the switching pin shaft (21) stays at the upper stop position or the lower stop position.
3. A lock adapted for a damper mechanism according to claim 2 wherein: the elastic control mechanism (211) comprises a control base (2112) and a spring (2115), one side face, opposite to the positioning hole (1311,1312), of the control base (2112) is provided with a positioning convex grain (2111), the middle part of the opposite side face is provided with a spring fixing cavity (2113), and two sides of the spring fixing cavity (2113)23 are provided with guide columns (2114) parallel to the spring fixing cavity (2113); the switching pin shaft (21) is provided with a cavity (214) which is matched with the control base (2112) in shape, the spring (2115) is arranged in the spring fixing cavity (2113), the control base (2112) is arranged in the cavity (214) of the switching pin shaft (21), the spring (2115) is tightly pressed between the spring fixing cavity (2113) and the cavity (214), and the control base (2112) can realize a reciprocating motion track in the cavity (214) under the deformation elasticity of the spring (2115).
4. A lock adapted for a damper mechanism according to claim 2 wherein: a first hollow-out window (132) is arranged on the inner wall of the positioning groove (13) towards the outside of the main body (1), and the first hollow-out window (132) and the two positioning holes (1311,1312) are in the same direction; the first hollow-out window (132) is provided with a switching button (7), and the switching button (7) is abutted against the surface of the elastic control mechanism (211) where the positioning convex particle (2111) is located.
5. A lock adapted for use with a damper mechanism according to claim 1, wherein: the main body (1) is linked and locked with the buffer mechanism (6) through the limiting base (31).
6. A lock adapted for use with a damper mechanism according to claim 1, wherein: a screw (5) locks the guide base (23) and the position-limiting post (32) in the position-limiting groove (312).
7. A lock adapted for use with a damper mechanism according to claim 1, wherein: the main part (1) is formed by assembling at least two shells (11), the corresponding positions of the two shells (11) are provided with longitudinal positioning sinking grooves (111) and transverse cavities (121) communicated with the positioning sinking grooves (111), the two positioning sinking grooves (111) are combined to form positioning grooves (13) and the two transverse cavities (121) are combined to form transverse cavities (12) after the two shells (11) are assembled.
8. A lock adapted for use with a damper mechanism according to claim 1, wherein: be equipped with indicator (212) on switching round pin axle (21), constant head tank (13) inner wall is equipped with a second fretwork window (133) to main part (1) outside, and indicator (212) outwards shows through second fretwork window (133) for indicate the position of switching round pin axle (21).
9. A lock adapted for a damper mechanism according to claim 8 wherein: two unlocking and locking indication pictures (2121 and 2122) are arranged on the side edge of the second hollow-out window (133) from top to bottom, and the indication mark (212) points to the unlocking indication picture (2121) upwards when the switching pin shaft (21) stays at the upper stop position; when the switching pin shaft (21) stays at the lower stop position, the indication mark (212) points to the locking indication picture (2122).
10. A lock adapted for use with a damper mechanism according to claim 1, wherein: an inward first through groove (213) is formed in the switching pin shaft (21), and one end of the connecting sheet (22) is inserted into the first through groove (213) and fixed; an inward second through groove is also formed in the seat body of the guide base (23), and the other end of the connecting sheet (22) is inserted into the second through groove and fixed.
11. A lock adapted for use with a damper mechanism according to claim 1, wherein: the guide base (23) is downwards provided with a first guide block (232) which abuts against the limiting column (32), and an abutting surface (2321) of the first guide block (232) and the limiting column (32) is an arc surface and further abuts against the limiting column (32) in a seamless mode.
12. A lock adapted for use with a damper mechanism according to claim 1, wherein: a second guide block (234) is arranged on a guide base (23) of the switching structure (2) downwards, and a guide groove (235) is formed between the second guide block (234) and the first guide block (232); the containing cavity (311) of the limiting base (31) is divided into a containing block (3111) by a limiting groove (312) vertically arranged at the bottom of the containing cavity, and the containing block (3111) is just clamped in the guide groove (235); the containing cavity (311) moves up and down along the containing block (3111) along with the switching pin shaft (21) staying at the upper stop position or the lower stop position.
13. A lock adapted for use with a damper mechanism according to claim 1, wherein: the periphery of the extension of the guide base (23) of the switching structure (2) is provided with an inward-contracting surface (233) so as to reduce the contact surface between the guide base (23) and the accommodating cavity (311) and reduce friction.
14. A lock adapted for use with a damper mechanism according to claim 1, wherein: the fixing support (4) is formed by bending a locking piece (40) to form a U-shaped cavity (42), two side walls (43) of the locking piece (40) simultaneously extend backwards to form two corresponding fins (401), and mounting holes are formed in corresponding positions of the two fins (401); the buffer mechanism (6) is arranged in the U-shaped cavity (42), and one end of a damping structure (61) of the buffer mechanism (6) is fixed between the two fins (401); the two side walls (43) of the locking piece (40) are respectively provided with corresponding protruding areas (44), the protruding areas (44) of the two side walls (43) are respectively overlapped with the two side walls (43) of the limiting groove (312), the protruding areas (44) of the two side walls (43) are respectively provided with an arc-shaped notch (41), when the switching pin shaft (21) stays at the lower stop position, the limiting column (32) is downwards clamped into the two arc-shaped notches (41) at the same time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110501317.3A CN113080645B (en) | 2021-05-08 | 2021-05-08 | Locking device suitable for buffer gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110501317.3A CN113080645B (en) | 2021-05-08 | 2021-05-08 | Locking device suitable for buffer gear |
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| Publication Number | Publication Date |
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| CN113080645A true CN113080645A (en) | 2021-07-09 |
| CN113080645B CN113080645B (en) | 2023-05-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110501317.3A Active CN113080645B (en) | 2021-05-08 | 2021-05-08 | Locking device suitable for buffer gear |
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| Country | Link |
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| CN (1) | CN113080645B (en) |
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| WO2013139109A1 (en) * | 2012-03-19 | 2013-09-26 | 江苏惠民汽车配件制造有限公司 | Electric locking-type outward swinging door |
| US20190032369A1 (en) * | 2017-06-05 | 2019-01-31 | Guangdong Archie Hardware Co., Ltd. | Lock capable of locking movable door |
| US20190056193A1 (en) * | 2017-08-16 | 2019-02-21 | Jeffrey T. Blake | Rotating buffer apparatus |
| WO2019053135A1 (en) * | 2017-09-13 | 2019-03-21 | Abus Pfaffenhain Gmbh | Locking device |
| CN209938383U (en) * | 2019-05-06 | 2020-01-14 | 烟台三环锁业集团股份有限公司 | Independent automobile seat backrest lock |
| CN211543240U (en) * | 2020-01-15 | 2020-09-22 | 北京新能源汽车股份有限公司 | Locking mechanism and electric automobile |
| CN213015855U (en) * | 2020-08-04 | 2021-04-20 | 烟台坦嘉精密机械有限公司 | Hasp lock with adjustment mechanism |
| CN213115889U (en) * | 2020-05-16 | 2021-05-04 | 青岛禾航交通设备有限公司 | Linkage locking mechanism |
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2021
- 2021-05-08 CN CN202110501317.3A patent/CN113080645B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013139109A1 (en) * | 2012-03-19 | 2013-09-26 | 江苏惠民汽车配件制造有限公司 | Electric locking-type outward swinging door |
| US20190032369A1 (en) * | 2017-06-05 | 2019-01-31 | Guangdong Archie Hardware Co., Ltd. | Lock capable of locking movable door |
| US20190056193A1 (en) * | 2017-08-16 | 2019-02-21 | Jeffrey T. Blake | Rotating buffer apparatus |
| WO2019053135A1 (en) * | 2017-09-13 | 2019-03-21 | Abus Pfaffenhain Gmbh | Locking device |
| CN209938383U (en) * | 2019-05-06 | 2020-01-14 | 烟台三环锁业集团股份有限公司 | Independent automobile seat backrest lock |
| CN211543240U (en) * | 2020-01-15 | 2020-09-22 | 北京新能源汽车股份有限公司 | Locking mechanism and electric automobile |
| CN213115889U (en) * | 2020-05-16 | 2021-05-04 | 青岛禾航交通设备有限公司 | Linkage locking mechanism |
| CN213015855U (en) * | 2020-08-04 | 2021-04-20 | 烟台坦嘉精密机械有限公司 | Hasp lock with adjustment mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113080645B (en) | 2023-05-16 |
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