CN212561933U - Self-locking type connecting device - Google Patents
Self-locking type connecting device Download PDFInfo
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- CN212561933U CN212561933U CN202021124268.3U CN202021124268U CN212561933U CN 212561933 U CN212561933 U CN 212561933U CN 202021124268 U CN202021124268 U CN 202021124268U CN 212561933 U CN212561933 U CN 212561933U
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Abstract
The utility model relates to a self-locking type connecting device, which comprises a first connecting seat, wherein one side of the first connecting seat is provided with a first opening, and the interior of the first connecting seat is provided with a first installation space; a second connecting seat, one side of which is provided with a second opening opposite to the first opening, and the interior of which is provided with a second mounting space; and a coupling mechanism including a connecting shaft and a spiral part; the first end of the connecting shaft is inserted into the first mounting space; the spiral part can rotate at the other end of the connecting shaft, can be reversely screwed into the second mounting space, and releases reverse spiral force to lock after entering the second mounting space; wherein the second opening width is smaller than the maximum width value of the spiral part. The reverse screw of the screw part is screwed into the second installation space, and the reverse screw couple is released to be locked after entering the second installation space, so that the first connecting seat and the second connecting seat are connected. And then solved among the prior art technical problem that the prefabricated plate body assembly is complicated inefficiency, the utility model discloses simple structure, assembly efficiency is high, and the hookup reliability is high.
Description
Technical Field
The utility model relates to a coupling technical field between the prefabricated assembled plate body, more specifically the utility model relates to a from locking-type coupling device.
Background
Compared with the traditional building constructed on site, the fabricated building has many advantages, such as industrialized production of components, no influence from seasons, better control of component quality, greatly shortened on-site construction period, reduced influence on surrounding environment, and the like, so that the fabricated building becomes the mainstream development direction of future buildings. The plate body is an important component of a building, and the connection of the prior fabricated plate body mainly adopts a wet connection mode of steel bar connection, concrete pouring and the like, and the mode still needs on-site construction and maintenance, and has long construction period and low working efficiency.
Therefore, how to provide a device with convenient and fast connection between plates is a problem that needs to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a from locking-type coupling device has solved the technical problem that prefabricated plate body hookup is inefficient among the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a self-locking coupling device comprising:
the first connecting seat is provided with a first opening at one side and a first mounting space inside;
one side of the second connecting seat is provided with a second opening which is arranged opposite to the first opening, and a second mounting space is arranged in the second connecting seat;
the connecting mechanism comprises a connecting shaft and a spiral part; the first end of the connecting shaft is inserted into the first mounting space; the spiral part can rotate at the other end of the connecting shaft, can be reversely screwed into the second mounting space, and releases a reverse spiral couple to be locked after entering the second mounting space; wherein the second opening width is smaller than the maximum width value of the spiral part.
According to the above technical scheme, compare with prior art, the utility model discloses a from locking-type coupling device inserts first connecting seat through with coupling mechanism first end, and in the reverse spiral screw in second installation space of spiral portion, release reverse spiral couple locking after getting into the second installation space, the realization is with first connecting seat and the hookup of second connecting seat. And then solved among the prior art prefabricated plate body assembly complicated, the technical problem of inefficiency, the utility model discloses simple structure, assembly efficiency is high, and the hookup reliability is high.
Preferably, the connecting shaft comprises an inserting section, a first retaining shoulder, a second retaining shoulder, a third retaining shoulder and a mounting section which are connected in sequence;
the outer wall of the insertion section is provided with a thread structure which is matched with the first installation space;
the diameter of the first blocking shoulder is larger than the width value of the second opening; the diameters of the first retaining shoulder, the second retaining shoulder and the third retaining shoulder are reduced in sequence;
the installation section is provided with a spiral part which is rotatably connected with the spiral part.
The utility model discloses the maximum dimension value on the whole part cross section is extensively pointed to width value in, for example the second keeps off the diameter value of shoulder and is greater than second opening width value, and the diameter that the second kept off the shoulder is greater than the maximum dimension of the cross-section that the second opening corresponds promptly, and be circular is the diameter if the opening is the length value if the opening is rectangular, is unilateral size if the square is.
Preferably, the spiral portion includes: a spiral body and a torsion spring;
the spiral body comprises a sleeve and two spiral blades symmetrically arranged on the outer wall of the sleeve, and the two spiral blades form spiral wings with narrow heads and wide tails;
the torsional spring is sleeved on the mounting section, and one end of the torsional spring is abutted to the third retaining shoulder and is fixed in the sleeve.
The first blocking shoulder limits the length of the connecting shaft entering the second mounting space, so that the entering length of the spiral body is ensured, and the reliability of self-locking is further ensured; the second shoulder is used for limiting the installation position of the spiral part.
The specific parameters of the torsion spring are selected according to the actual use condition.
The sleeve and the spiral wing can be integrally formed or manufactured separately and then welded or fixedly connected together through screws.
Optionally, the tail part of each spiral blade is provided with an inclined surface, and when the couple self-locking is released, the tail part and the inner wall of the second opening realize the locking connection.
The utility model provides a self-locking type connecting device, which also comprises a locking cap, wherein the pressing cap is inserted into the sleeve; and the locking cap is internally provided with an internal thread, and the outer wall of the top of the mounting section is provided with an external thread matched with the internal thread. The locking cap is fixed at the foremost end of the connecting shaft and used for limiting the sleeve and preventing the sleeve from rotating to be separated from the connecting shaft, so that the torsion spring is ensured to form a large enough reverse couple when the spiral wing rotates, and the firmness of connection after release is ensured.
Preferably, the head of the pressing cap is of a conical structure, and the scheme is favorable for guiding the coupling mechanism when the coupling mechanism enters the second opening, so that the coupling mechanism can enter the second opening conveniently.
Preferably, the sleeve tail is provided with a first limiting groove, the compression cap tail is provided with a second limiting groove, the first support rod of the torsion spring is fixed in the first limiting groove, and the second support rod of the torsion spring is fixed in the second limiting groove. The sizes of the first limiting groove and the second limiting groove are matched with the selected torsion spring specification, so that the torsion spring is ensured to form a reverse couple in the twisting process.
Preferably, the second opening width value is greater than the maximum width value of the pressing cap, so that the front section of the connecting mechanism can smoothly enter the second mounting space.
Preferably, the coupling mechanism is made of steel or plastic, wherein the plastic is selected according to specific use conditions and the material corresponding to the strength requirement.
The utility model provides a pair of from locking-type coupling device's hookup method, including following step:
s1, fixing the first connecting seat in the first plate body, and fixing the second connecting seat in the second plate body;
s2, inserting the first end of the coupling mechanism into the first installation space;
and S3, aligning the spiral part with the second installation space, screwing the spiral part into the second installation space in a reverse spiral mode through external force, releasing reverse spiral force after the spiral part enters the second installation space, locking the spiral part in the second installation space, and connecting the first plate body and the second body.
Preferably, the above method enables horizontal sequential coupling and vertical angular coupling of the first plate and the second plate.
The utility model provides a pair of from locking-type coupling device's hookup method, through inserting first connecting seat (fixing in the first plate) with coupling mechanism first end, the reverse spiral screw in of spiral portion is in the second installation space (setting and the second plate), releases reverse spiral couple locking after getting into the second installation space, realizes linking first connecting seat and second connecting seat. And then solved among the prior art prefabricated plate body assembly complicated, the technical problem of inefficiency, the utility model discloses simple structure, assembly efficiency is high, and the hookup reliability is high.
The utility model discloses it is rotatory specifically to drive the torsional spring through the spiral wing, because a torsional spring branch is fixed on the sleeve, another branch is fixed with the axle through compressing tightly the cap, when external force pushes away the connecting axle and gets into the second space, the spiral wing drives the torsional spring, the torsional spring produces the reverse force couple, after the spiral wing is whole to get into the second space, owing to not being restricted by the second opening, its release force couple, the wing tail and the second opening inner wall realization auto-lock of spiral wing, it is fixed with first plate body and second plate body, and can realize that horizontal order hookup and perpendicular angle are connected, therefore, the clothes hanger is strong in practicability.
The above method of the utility model, according to the product of difference, first connecting seat and second connecting seat can choose for use the different mode of fixing in prefabricated plate body, like pre-buried, welding, bolt etc. but require fixed firm, like pre-buried, in the first installation space of on-the-spot first end screw in with coupling mechanism, then get into the second connecting seat through the external force installation again.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a self-locking coupling device provided by the present invention;
fig. 2 is an exploded view of a self-locking coupling device according to the present invention;
fig. 3 is a schematic structural diagram of a pressing cap of a self-locking coupling device according to the present invention;
fig. 4 is a half sectional view of a self-locking coupling device according to the present invention;
fig. 5 is a schematic diagram of a sequential connection structure of a self-locking coupling device according to the present invention;
fig. 6 is a schematic view of the angle connection structure of the self-locking coupling device according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The embodiment of the utility model discloses from locking-type coupling device has solved the technical problem of prefabricated plate body hookup inefficiency among the prior art.
Referring to fig. 1-6, the present invention provides a self-locking coupling device, comprising:
the connecting structure comprises a first connecting seat 1, wherein one side of the first connecting seat 1 is provided with a first opening, and a first mounting space is formed in the first connecting seat;
a second opening opposite to the first opening is formed in one side of the second connecting seat 3, and a second mounting space is formed in the second connecting seat 3;
and a coupling mechanism 2, the coupling mechanism 2 including a connecting shaft 21 and a spiral part 22; the first end of the connecting shaft 21 is inserted into the first mounting space; the spiral part 22 can rotate at the other end of the connecting shaft 21, can be reversely screwed into the second mounting space, and releases a reverse spiral couple to be locked after entering the second mounting space; wherein the second opening width is smaller than the maximum width of the spiral part 22.
The utility model discloses a from locking-type coupling device, through inserting first connecting seat with coupling mechanism first end, in the reverse spiral screw in second installation space of spiral part, release reverse spiral couple locking after getting into second installation space, realize linking first connecting seat and second connecting seat. And then solved among the prior art prefabricated plate body assembly complicated, the technical problem of inefficiency, the utility model discloses simple structure, assembly efficiency is high, and the hookup reliability is high.
Specifically, referring to fig. 2, the connecting shaft 21 includes an insertion section 211, a first shoulder 212, a second shoulder 213, a third shoulder 214, and a mounting section 215, which are connected in sequence;
the outer wall of the insertion section 211 is provided with a thread structure which is matched with the first installation space;
the diameter of the first stop shoulder 212 is greater than the width of the second opening; the diameters of the first shoulder 212, the second shoulder and the third shoulder 214 are reduced in sequence;
the mounting section 215 mounts the spiral part 22 thereon, and is rotatably connected to the spiral part 22.
The utility model discloses the maximum dimension value on the whole part cross section is extensively pointed to width value in, for example the second keeps off the diameter value of shoulder and is greater than second opening width value, and the diameter that the second kept off the shoulder is greater than the maximum dimension of the cross-section that the second opening corresponds promptly, and be circular is the diameter if the opening is the length value if the opening is rectangular, is unilateral size if the square is.
Advantageously, the helical portion 22 comprises: a screw 221 and a torsion spring 222;
the spiral body 221 comprises a sleeve and two spiral blades symmetrically arranged on the outer wall of the sleeve, and the two spiral blades form spiral wings with narrow heads and wide tails;
the torsion spring 222 is sleeved on the mounting section 215, and one end thereof abuts against the third shoulder 214 and is fixed in the sleeve.
The first blocking shoulder limits the length of the connecting shaft entering the second mounting space, so that the entering length of the spiral body is ensured, and the reliability of self-locking is further ensured; the second shoulder is used for limiting the installation position of the spiral part.
The specific parameters of the torsion spring are selected according to the actual use condition.
The sleeve and the spiral wing can be integrally formed or manufactured separately and then welded or fixedly connected together through screws.
Optionally, the tail part of each spiral blade is provided with an inclined surface, and when the couple self-locking is released, the tail part and the inner wall of the second opening realize the locking connection.
Referring to fig. 2, the locking device further comprises a locking cap 23, and the pressing cap 23 is inserted into the sleeve; and the locking cap 23 is internally provided with an internal thread, and the outer wall of the top of the mounting section 215 is provided with an external thread matched with the internal thread. The locking cap is fixed at the foremost end of the connecting shaft and used for limiting the sleeve and preventing the sleeve from rotating to be separated from the connecting shaft, so that the torsion spring is ensured to form a large enough reverse couple when the spiral wing rotates, and the firmness of connection after release is ensured.
More advantageously, the head of the cap 23 is of a conical configuration; by adopting the scheme, the guide function is realized when the coupling mechanism enters the second opening, and the entrance of the coupling mechanism is facilitated.
Wherein, the sleeve is provided with a first limit groove 2211 at the tail, the compressing cap 23 is provided with a second limit groove 231 at the tail, the first support rod of the torsion spring 222 is fixed in the first limit groove 2211, and the second support rod is fixed in the second limit groove 231. The sizes of the first limiting groove and the second limiting groove are matched with the selected torsion spring specification, so that the torsion spring is ensured to form a reverse couple in the twisting process.
The second opening width value is larger than the maximum width value of the pressing cap 23, so that the front section of the connecting mechanism can smoothly enter the second mounting space.
In the above embodiments, the coupling mechanism 2 is made of steel or plastic, wherein the plastic is selected according to the specific use condition and the material corresponding to the strength requirement.
The utility model provides a from locking-type coupling device's hookup method, including following step:
s1, fixing the first connecting seat in the first plate body 4, and fixing the second connecting seat in the second plate body 5;
s2, inserting the first end of the coupling mechanism into the first installation space;
and S3, aligning the spiral part with the second installation space, screwing the spiral part into the second installation space in a reverse spiral mode through external force, releasing reverse spiral force after the spiral part enters the second installation space, locking the spiral part in the second installation space, and connecting the first plate body 4 with the second body.
The above method enables the horizontal sequential coupling and the vertical angular coupling of the first plate 4 and the second plate 5.
The utility model discloses a from locking-type coupling device's hookup method, through inserting first connecting seat (fixing in first plate body 4) with coupling mechanism first end, the reverse spiral screw in of spiral part is in second installation space (setting and second plate body 5), releases reverse spiral power locking after getting into second installation space, realizes linking first connecting seat and second connecting seat. And then solved among the prior art prefabricated plate body assembly complicated, the technical problem of inefficiency, the utility model discloses simple structure, assembly efficiency is high, and the hookup reliability is high.
The utility model discloses it is rotatory specifically to drive the torsional spring through the spiral wing, because a torsional spring branch is fixed on the sleeve, another branch is fixed with the axle through compressing tightly the cap, when external force pushes away the connecting axle and gets into the second space, the spiral wing drives the torsional spring, the torsional spring produces the reverse force couple, after the spiral wing is whole to get into the second space, owing to not being restricted by the second opening, its release force couple, the wing tail and the second opening inner wall realization auto-lock of spiral wing, it is fixed with first plate body 4 and second plate body 5, and can realize horizontal order hookup and perpendicular angle connection, therefore, the clothes hanger is strong in practicability.
The above method of the utility model, according to the product of difference, first connecting seat and second connecting seat can choose for use the different mode of fixing in prefabricated plate body, like pre-buried, welding, bolt etc. but require fixed firm, like pre-buried, in the first installation space of on-the-spot first end screw in with coupling mechanism, then get into the second connecting seat through the external force installation again.
The specific embodiment is as follows:
the connecting axle passes through first connecting seat to be fixed in the one end of first plate body 4, connecting axle axis perpendicular to plate body terminal surface, the outer terminal surface of spiral wing is in vertical direction from top to bottom, when hookup first plate body 4 and second body, insert sleeve (and spiral wing) in the connecting seat of second plate body 5, along with telescopic propulsion, because of spiral wing cross-section is in vertical direction all the time, so the sleeve will rotate, after the sleeve is whole to pass through the second installation space, the sleeve is return (gyration 90 degrees) under the torsional spring effect, rotatory wing rear end face is 90 degrees with second opening inner wall, the sleeve is blocked, the sleeve can not return on the original way, first plate body 4 and second plate body 5 are linked together. Compared with the prior art, the method of the utility model has the advantages of convenient and fast operation, high connection strength, realization of horizontal sequential connection and vertical angle connection of two plate bodies, and the like, and the connection mode is one hundred percent operation.
Referring to the attached drawing 2, the connecting shaft is made of round steel and is step-shaped, both ends of the connecting shaft are provided with threads, one end of the torsion spring extends out along the axial direction, the other end of the torsion spring extends out along the radial direction, the outer wall of the sleeve is provided with two spiral leaves which are long and symmetrical and have 90-degree angles at both ends, the tail of the sleeve is provided with a first limiting groove, the compression cap is internally provided with threads, a second limiting groove is arranged at the screwing-in end of the compression cap, and the first limiting groove and the second limiting groove are used for fixing two.
When the connecting mechanism is assembled, the torsion spring is firstly sleeved on the connecting shaft, the extending end of the first support rod (radial direction) of the torsion spring is inward, the extending end of the second support rod (axial direction) is outward, then the sleeve is sleeved, the first support rod of the torsion spring enters the first limiting groove of the sleeve, finally the pressing cap is inserted, the second support rod of the torsion spring is inserted into the second limiting groove of the pressing cap, and the connecting shaft is rotated, so that the pressing cap and the connecting shaft are connected together through threads. After the assembly is completed, the sleeve can be rotated along the shaft by hand, and after the hand is loosened, the sleeve can be automatically reset under the action of the torsion spring.
Referring to the attached drawing 1, a first connecting seat is provided with a threaded hole and is connected with a first plate body 4 into a whole, a second plate body 5 is provided with a second opening slightly wider than the outer diameter of a sleeve and is connected with the second plate body 5 into a whole, before the two plate bodies are connected, a connecting mechanism is firstly screwed into the threaded hole of the first connecting seat, the axial extension length is adjusted, the outer end part of a spiral wing is in a vertical direction (the same direction as the second opening of the second connecting seat), the connecting mechanism is inserted into the second opening (in the inserting process, the spiral wing rotates), when the end faces of the two plate bodies are contacted, the spiral wing just completely enters a second mounting space, the spiral wing resets (rotates for 90 degrees) under the action of a torsion spring and is locked, and the plate bodies are completely mounted.
By the method, the horizontal straight connection and the vertical angle connection of the prefabricated plate bodies are shown in the attached drawings 5 and 6.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. A self-locking coupling device, comprising:
the connecting device comprises a first connecting seat (1), wherein one side of the first connecting seat (1) is provided with a first opening, and a first mounting space is formed in the first connecting seat;
one side of the second connecting seat (3) is provided with a second opening opposite to the first opening, and a second mounting space is arranged in the second connecting seat (3);
and a coupling mechanism (2), the coupling mechanism (2) comprising a connecting shaft (21) and a spiral part (22); the first end of the connecting shaft (21) is inserted into the first mounting space; the spiral part (22) can rotate at the other end of the connecting shaft (21), can be reversely screwed into the second mounting space, and releases a reverse spiral couple to lock after entering the second mounting space; wherein the second opening width is smaller than the maximum width value of the spiral part (22).
2. The self-locking coupling device according to claim 1, characterized in that the connecting shaft (21) comprises an insertion section (211), a first shoulder (212), a second shoulder (213), a third shoulder (214) and a mounting section (215) connected in sequence;
the outer wall of the insertion section (211) is provided with a thread structure which is matched with the first installation space;
the diameter of the first blocking shoulder (212) is larger than the width value of the second opening; the diameters of the first retaining shoulder (212), the second retaining shoulder and the third retaining shoulder (214) are reduced in sequence;
the mounting section (215) is provided with the spiral part (22) and is rotatably connected with the spiral part (22).
3. A self-locking coupling device according to claim 2, characterised in that the screw (22) comprises: a screw (221) and a torsion spring (222);
the spiral body (221) comprises a sleeve and two spiral blades symmetrically arranged on the outer wall of the sleeve, and the two spiral blades form spiral wings with narrow heads and wide tails;
the torsion spring (222) is sleeved on the mounting section (215), and one end of the torsion spring is abutted against the third retaining shoulder (214) and is fixed in the sleeve.
4. A self-locking coupling device according to claim 3, characterized in that it further comprises a pressing cap (23), said pressing cap (23) being inserted inside said sleeve; and the inside of the pressing cap (23) is provided with an internal thread, and the outer wall of the top of the mounting section (215) is provided with an external thread matched with the internal thread.
5. Self-locking coupling device according to claim 4, characterised in that the head of the pressing cap (23) is of conical configuration.
6. The self-locking type coupling device of claim 4, wherein the sleeve has a first limit groove 2211 at the tail, the pressing cap (23) has a second limit groove (231) at the tail, the first rod of the torsion spring (222) is fixed in the first limit groove 2211, and the second rod of the torsion spring is fixed in the second limit groove (231).
7. Self-locking coupling device according to claim 6, characterised in that the second opening width is greater than the maximum width of the pressure cap (23).
8. Self-locking coupling device according to any of claims 1-7, characterised in that the coupling means (2) is made of steel or plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021124268.3U CN212561933U (en) | 2020-06-17 | 2020-06-17 | Self-locking type connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021124268.3U CN212561933U (en) | 2020-06-17 | 2020-06-17 | Self-locking type connecting device |
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| Publication Number | Publication Date |
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| CN212561933U true CN212561933U (en) | 2021-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021124268.3U Active CN212561933U (en) | 2020-06-17 | 2020-06-17 | Self-locking type connecting device |
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| CN (1) | CN212561933U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111677127A (en) * | 2020-06-17 | 2020-09-18 | 都清 | Self-locking type connecting device and connecting method thereof |
-
2020
- 2020-06-17 CN CN202021124268.3U patent/CN212561933U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111677127A (en) * | 2020-06-17 | 2020-09-18 | 都清 | Self-locking type connecting device and connecting method thereof |
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Effective date of registration: 20210714 Address after: Room 202, 2nd floor, building 7, 19 gaoliangqiaoxie street, Xizhimenwai, Haidian District, Beijing Patentee after: Beijing Huicheng Jiye prefabricated construction technology Co.,Ltd. Address before: 101-105, 1st floor, building 7, 19 gaoliangqiaoxie street, Xizhimenwai, Haidian District, Beijing (Dongsheng District) Patentee before: BEIJING HUICHENGJIYE ENGINEERING TECHNOLOGY Co.,Ltd. |
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