CN216967076U - Tongue pin rapid clamping and opening mechanism - Google Patents
Tongue pin rapid clamping and opening mechanism Download PDFInfo
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- CN216967076U CN216967076U CN202123196097.2U CN202123196097U CN216967076U CN 216967076 U CN216967076 U CN 216967076U CN 202123196097 U CN202123196097 U CN 202123196097U CN 216967076 U CN216967076 U CN 216967076U
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Abstract
The utility model relates to a fast clamping and opening mechanism of a tongue pin, which comprises a rotating rod and a positioning structure; the rotating rod is provided with a driving structure for driving the rotating rod to rotate; the left and right sections of the rod body of the rotating rod are provided with driving parts, and the driving parts are matched with the pressing parts; the positioning structure comprises fixing seats, positioning pins, tongue pins and springs, the fixing seats are rotatably arranged at two ends of the rotating rod, the positioning pins are inserted into the fixing seats along the vertical direction, and the upper ends of the positioning pins extend out of the corresponding fixing seats; tongue pins are inserted into the positioning pins along the up-down direction, and the tongue pins are hinged in the corresponding fixing seats; the front sides of the lower parts of the tongue pins are matched with the corresponding pressing parts and swing back and forth; and springs are arranged on the rear sides of the tongue pins and used for pushing the lower parts of the corresponding tongue pins to swing towards the rotating rod. Through locating pin location seat skeleton, later rotate through drive structure drive rotary rod for the tongue round pin fore-and-aft swing that corresponds compresses tightly the seat skeleton, realizes the while location and the compression of seat skeleton.
Description
Technical Field
The utility model relates to the technical field of clamping and opening mechanisms, in particular to a rapid clamping and opening mechanism for a tongue pin.
Background
The automobile seat comprises a framework, soft foam packaged outside the framework and the like, is an important part in automobile interior decoration, has speciality and complexity in the production of the automobile seat, and is produced by specialized factories so as to provide a specially-made product for matching with a whole automobile. During concrete production, can design the skeleton of car seat, every producer all can be according to specific design and the needs on the production line, carries out operations such as welding, assembly to the seat skeleton to make it satisfy the needs as seat skeleton product, and the needs on the production line. The seat skeleton is in the assembling process, and the stability of main part is very important, not only influences staff's operation, still can influence the precision of assembly, consequently needs the accurate skeleton work piece of fixing a position, is the improvement and the operation of being convenient for semi-automatization, automation on the one hand, and on the other hand improves the precision and the efficiency of assembly. The existing seat framework positioning mechanism is complex in structure, the framework can not be fixed simultaneously although the seat can be positioned, the stability of the seat framework can not be guaranteed, the assembling precision is reduced, and the production efficiency is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a rapid clamping and opening mechanism for a tongue pin, and aims to solve the problems that an existing framework positioning mechanism is complex in structure and cannot position and press a seat framework simultaneously.
In order to achieve the purpose, the utility model adopts the following technical scheme: a tongue pin rapid clamping and opening mechanism comprises a rotating rod and a positioning structure;
the rotating rod is provided with a driving structure for driving the rotating rod to rotate, and the left and right rod bodies of the rotating rod are provided with driving parts;
the positioning structure comprises fixed seats, positioning pins, tongue pins and springs, the fixed seats are rotatably arranged at two ends of the rotating rod, the positioning pins are fixedly inserted into the fixed seats along the vertical direction, and the upper ends of the positioning pins extend out of the fixed seats and are used for positioning the seat framework; a tongue pin is inserted into each positioning pin along the vertical direction, and each tongue pin is hinged in the corresponding fixed seat; the upper ends of the tongue pins are respectively provided with a clamping hook for clamping a seat framework; the front side of the lower part of the tongue pin is matched with the corresponding driving part and swings back and forth; the rear side of the tongue pin is provided with a spring, and the spring is used for pushing the lower part of the tongue pin to swing towards the rotating rod.
Furthermore, the driving structure comprises a telescopic piece, an adapter piece, a first hinge block and a second hinge block, the rear end of the adapter piece is hinged to the output end of the telescopic piece, and the front end of the adapter piece is hinged to the rear end of the first hinge block; the front end of the first hinged block is hinged to one end of the second hinged block, and the other end of the second hinged block is connected to the rotary rod in a clamped mode.
Further, the second hinge block is arranged in the middle of the rotating rod and is perpendicular to the rotating rod.
Further, both sides of the second hinge block are provided with at least one supporting piece, and the rotating rod rotates to penetrate through the corresponding supporting pieces.
Further preferably, the first hinge block is located at a lower side of the rotary lever.
Furthermore, the rear end of the lower part of the tongue pin is provided with a groove, and the groove is connected with the front end corresponding to the spring; the springs are arranged along the front-back direction, first fixing columns are arranged at the rear ends of the springs, and the first fixing columns are fixedly arranged on the corresponding fixing seats respectively.
Furthermore, the driving part is a clamping groove structure arranged along the rod body, and the lower part of the tongue pin can be clamped in the corresponding driving part.
Furthermore, hinge shafts are inserted into the positioning pins and the middle parts corresponding to the tongue pins, and two ends of each hinge shaft are fixed on the corresponding fixed seat.
Furthermore, when the lower part of the tongue pin swings backwards, the lower part of the tongue pin swings forwards corresponding to the clamping hook and extends out of the positioning pin, and when the lower part of the tongue pin swings forwards, the lower part of the tongue pin swings backwards corresponding to the clamping hook and extends into the positioning pin.
Further, the upper end face of the positioning pin is higher than the upper end face corresponding to the tongue pin, and the front-back width of the tongue pin is smaller than or equal to the front-back width corresponding to the positioning pin.
The utility model has the beneficial effects that: the utility model provides a tongue round pin presss from both sides tight and opening mechanism fast, includes rotary rod and location structure, fixes a position the seat skeleton through the last locating pin of location structure, rotates through drive structure drive rotary rod simultaneously, through the rotation of rotary rod for the drive division on the rotary rod body of rod and the cooperation of the tongue round pin lower part that corresponds, make tongue round pin upper portion swing from beginning to end, realize that the pothook hook on tongue round pin upper portion establishes and compresses tightly the seat skeleton. Through fixing a position and compressing tightly the seat skeleton simultaneously, improve the stability of seat skeleton, this mechanism simple structure, the staff of being convenient for assembles the seat skeleton, improves assembly efficiency and precision.
Drawings
FIG. 1 is a schematic top view of the structure of embodiment 1 of the present invention;
FIG. 2 is a schematic cross-sectional view A-A of FIG. 1;
FIG. 3 is a schematic cross-sectional view at B-B in FIG. 1;
fig. 4 is a schematic perspective view of the first tongue pin in embodiment 1 of the present invention;
fig. 5 is a schematic perspective view of a second tongue pin according to embodiment 1 of the present invention;
fig. 6 is a schematic perspective view of a rotary rod in embodiment 1 of the present invention;
fig. 7 is a schematic perspective view of a rotary rod in embodiment 2 of the present invention.
Names corresponding to the marks in the figure: 1. the driving structure, 11, the telescopic cylinder, 12, the adaptor, 13, the first hinge block, 14, the second hinge block, 2, the rotating rod, 21, the first slot, 22, the second slot, 3, the first positioning structure, 31, the first tongue pin, 311, the first hook, 312, the first groove, 32, the first spring, 33, the first fixing seat, 34, the first fixing column, 35, the first positioning pin, 36, the first hinge, 4, the second positioning structure, 41, the second tongue pin, 411, the second hook, 412, the second groove, 42, the second spring, 43, the second fixing seat, 44, the second fixing column, 45, the second positioning pin, 46, the second hinge, 5, the first supporting piece, 6, the second supporting piece, 71, the first protrusion, 72, and the second protrusion.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
Example 1:
as shown in fig. 1-6, a tongue pin quick clamping and opening mechanism comprises a driving structure 1, a rotating rod 2 and a positioning structure 3.
As shown in fig. 6, the rotating rod 2 is a cylindrical strip-shaped structure and is perpendicular to the extending direction of the telescopic cylinder 11, and the two ends of the rotating rod 2 are respectively provided with the first positioning structure 3 and the second positioning structure 4. The left end of rotary rod 2 wears to establish to first location structure 3 on, and with first location structure 3 normal running fit. A first clamping groove 21 is formed in the rod body on the left side of the rotating rod 2, and the first clamping groove 21 is located inside the first positioning structure 3.
The first positioning structure 3 includes a first positioning pin 35, a first tongue pin 31, a first spring 32 and a first fixing seat 33, the first positioning pin 35 is fixedly disposed in the first fixing seat 33 along the vertical direction, and the upper end of the first positioning pin extends out of the first fixing seat 33 for being inserted into a corresponding positioning hole on the seat frame to complete the positioning of the seat frame.
The first positioning pin 35 is provided with a cavity along the up-down direction, and the first tongue pin 31 is inserted into the cavity of the first positioning pin 35 along the up-down direction. In order to facilitate the insertion of the first positioning pin 35 into the corresponding positioning hole, the upper end of the first tongue pin 31 does not protrude from the upper end of the first positioning pin 35, and the front-back width of the first tongue pin 31 is not greater than the front-back width of the first positioning pin 35. A first hinge shaft 36 is inserted in the middle of the first tongue pin 31 and the first positioning pin 35 along the left-right direction, and two ends of the first hinge shaft 36 are respectively and fixedly arranged on the first fixing seat 33 in a penetrating manner; the first tongue 31 is swingable back and forth about the first hinge shaft 36 in the cavity of the first positioning pin 35.
The upper end of the first tongue pin 31 is provided with a first hook 311 used for being matched with a seat framework, the front side of the lower end of the first tongue pin 31 can be clamped in the first clamping groove 21 and matched with the rod body of the rotary rod 2, and in the rotating process of the rotary rod 2, the front-back swing of the first tongue pin 31 is realized.
The second positioning structure 4 includes a second positioning pin 45, a second tongue pin 41, a second spring 42 and a second fixing seat 43, the second positioning pin 45 is fixedly disposed in the second fixing seat 43 along the vertical direction, and the upper end of the second positioning pin 45 extends upwards out of the first fixing seat 43 for being inserted into a corresponding positioning hole on the seat frame to complete the positioning of the seat frame.
The second positioning pin 45 is provided with a cavity along the up-down direction, and the second tongue pin 41 is inserted into the cavity of the second positioning pin 45 along the up-down direction. In order to facilitate the insertion of the second positioning pin 45 into the corresponding positioning hole, the upper end of the second tongue pin 41 does not protrude from the upper end of the second positioning pin 45, and the front-back width of the second tongue pin 41 is not greater than the front-back width of the second positioning pin 45. A second hinge shaft 46 is inserted in the middle of the second tongue pin 41 and the second positioning pin 45 along the left-right direction, and two ends of the second hinge shaft 46 are respectively fixed on the second fixing seat 43. The second tongue pin 41 swings back and forth in the cavity of the second positioning pin 45 about the second hinge shaft 46.
The upper end of the second tongue pin 41 is provided with a second hook 411 used for being matched with a seat framework, the front side of the lower end of the second tongue pin 41 can be clamped in the corresponding second clamping groove 22 and matched with the rod body of the rotary rod 2, and in the rotating process of the rotary rod 2, the second tongue pin 41 can swing back and forth.
The lower part rear side of second tongue pin 41 is opened and is equipped with second recess 412, installs second spring 42 in this second recess 412, and second spring 42 sets up along the fore-and-aft direction, and the rear end of second spring 42 is provided with second fixed column 44, and second fixed column 44 is fixed to be set up on second fixing base 43, through the effect of second spring 42, promotes the lower part of second tongue pin 41 and compresses tightly rotary rod 2, improves the stability of second tongue pin 41.
In order to improve the stability of the rotating lever 2, a first supporting member 5 and a second supporting member 6 are respectively disposed at both sides of the second hinge block 14, and the left and right sides of the rotating lever 2 are respectively slidably inserted into the corresponding first supporting member 5 and second supporting member 6.
In the using process, the cylinder shaft drives the transfer block 12 to stretch back and forth through the stretching of the telescopic cylinder 11, the first hinged block 13 is hinged to the transfer block 12, the second hinged block 14 is hinged to the first hinged block 13, the lower part of the second hinged block 14 swings back and forth, and the left side and the right side of the rotating rod 2 are driven to rotate in the first positioning structure 3 and the second positioning structure 4 respectively. The first engaging groove 21 and the rod body of the rotating rod 2 are matched with the front side of the lower part of the first tongue pin 31, and the second engaging groove 22 and the rod body of the rotating rod 2 are matched with the front side of the lower part of the second tongue pin 41. When the cylinder shaft of the telescopic cylinder 11 extends, the first tongue pin 31 is clamped in the first clamping groove 21, and simultaneously, the lower end of the first tongue pin 31 is pressed against the first clamping groove 21 by the pressure of the first spring 32; meanwhile, the second tongue pin 41 is clamped in the second clamping groove 22, and the lower end of the second tongue pin 41 is pressed against the second clamping groove 22 by the pressure of the second spring 42; at this time, the first hook 311 at the upper end of the first tongue pin 31 swings backwards into the cavity of the first positioning pin 35, and the second hook 411 at the upper end of the second tongue pin 41 swings backwards into the cavity of the second positioning pin 45, so as to unlock the seat frame.
When needs are fixed with the seat skeleton, prevent the upside of first positioning seat and second positioning seat with the seat skeleton for first locating pin and second location insert slightly and establish in the locating hole that corresponds, fix a position the seat skeleton. When the rotating rod 2 rotates, the lower parts of the first tongue pin 31 and the second tongue pin 41 are matched with the rod body of the corresponding rotating rod 2, and at the moment, the upper parts of the first tongue pin 31 and the second tongue pin 41 swing forwards, so that the first hook 311 and the second hook 411 are hooked and pressed on the seat framework, and the pressing and fixing of the seat are realized.
Example 2:
the difference from the embodiment 1 lies in the difference of the rotating lever, as shown in fig. 4, 4 and 7, symmetrical first and second protrusions 71 and 72 are arranged on the lever body at the left and right ends of the rotating lever 2 along the wall circumference of the rotating lever, the first and second protrusions 71 and 72 are respectively matched with the front sides of the lower parts of the corresponding first and second tongue pins 31 and 41, when the lower parts of the first and second tongue pins 31 and 41 are respectively contacted with the first and second protrusions 71 and 72, the lower parts of the corresponding first and second tongue pins 31 and 41 are respectively swung backwards, the corresponding first and second hooks 311 and 411 are swung forwards, and the seat frame is pressed; on the contrary, when the lower portions of the first and second tongue pins 31 and 41 contact with the rod body of the rotating rod 2, the corresponding first and second hooks 311 and 411 swing backwards, so as to unlock the seat frame.
Example 3:
the difference with embodiment 1 lies in the difference of drive structure, and in this embodiment, drive structure includes telescopic cylinder and rack, and the output at telescopic cylinder is blocked to one end joint of rack, and the body of rod to the rotary rod is established with the gear card of rack meshing, and the meshing through rack and gear drives the rotary rod rotatory.
Claims (10)
1. The utility model provides a tongue round pin rapid clamping and opening mechanism which characterized in that: comprises a rotating rod and a positioning structure;
the rotating rod is provided with a driving structure for driving the rotating rod to rotate, and the left and right rod bodies of the rotating rod are provided with driving parts;
the positioning structure comprises fixed seats, positioning pins, tongue pins and springs, the fixed seats are rotatably arranged at two ends of the rotating rod, the positioning pins are fixedly inserted into the fixed seats along the vertical direction, and the upper ends of the positioning pins extend out of the corresponding fixed seats and are used for positioning the seat framework; a tongue pin is inserted into each positioning pin along the vertical direction, and each tongue pin is hinged in the corresponding fixed seat; the upper ends of the tongue pins are respectively provided with a clamping hook for clamping a seat framework; the front side of the lower part of the tongue pin is matched with the corresponding driving part and swings back and forth; the rear side of the tongue pin is provided with a spring, and the spring is used for pushing the lower part of the tongue pin to swing towards the rotating rod.
2. The tongue pin quick clamping and opening mechanism of claim 1, wherein: the driving structure comprises a telescopic piece, an adapter piece, a first hinge block and a second hinge block, the rear end of the adapter piece is hinged to the output end of the telescopic piece, and the front end of the adapter piece is hinged to the rear end of the first hinge block; the front of the first hinged block is hinged to one end of the second hinged block, and the other end of the second hinged block is clamped on the rotary rod.
3. The tongue pin quick clamping and opening mechanism of claim 2, wherein: the articulated piece setting of second is in the middle part of rotary rod, and with the rotary rod sets up perpendicularly.
4. A tongue pin quick clamping and opening mechanism according to claim 3, wherein: the both sides of the articulated piece of second all are provided with at least one support piece, the rotary rod rotates to wear to establish and corresponds on the support piece.
5. The tongue pin quick clamping and opening mechanism of claim 2, wherein: the first hinge block is located at a lower side of the rotary lever.
6. The tongue pin quick clamping and opening mechanism of claim 1, wherein: the rear end of the lower part of the tongue pin is provided with a groove, and the groove is connected with the front end corresponding to the spring; the springs are arranged along the front-back direction, first fixing columns are arranged at the rear ends of the springs, and the first fixing columns are fixedly arranged on the corresponding fixing seats respectively.
7. The tongue pin quick clamping and opening mechanism of claim 1, wherein: the driving part is a clamping groove structure arranged along the rod body, and the lower part of the tongue pin can be clamped in the corresponding driving part.
8. The tongue pin quick clamping and opening mechanism of claim 1, wherein: hinge shafts are inserted into the middle parts of the positioning pins and the middle parts of the corresponding tongue pins, and two ends of each hinge shaft are fixed on the corresponding fixed seat.
9. The tongue pin quick clamping and opening mechanism of claim 1, wherein: when the lower part of the tongue pin swings backwards, the lower part of the tongue pin swings forwards corresponding to the clamping hook and extends out of the positioning pin, and when the lower part of the tongue pin swings forwards, the lower part of the tongue pin swings backwards corresponding to the clamping hook and extends into the positioning pin.
10. The tongue pin quick clamping and opening mechanism of claim 1, wherein: the upper end surface of the positioning pin is higher than the upper end surface corresponding to the tongue pin, and the front-back width of the tongue pin is smaller than or equal to the front-back width corresponding to the positioning pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123196097.2U CN216967076U (en) | 2021-12-17 | 2021-12-17 | Tongue pin rapid clamping and opening mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123196097.2U CN216967076U (en) | 2021-12-17 | 2021-12-17 | Tongue pin rapid clamping and opening mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216967076U true CN216967076U (en) | 2022-07-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123196097.2U Active CN216967076U (en) | 2021-12-17 | 2021-12-17 | Tongue pin rapid clamping and opening mechanism |
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| CN (1) | CN216967076U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114083321A (en) * | 2021-12-17 | 2022-02-25 | 郑州科慧福瑞通机器人设备有限公司 | Fast clamping and opening mechanism for tongue pin |
-
2021
- 2021-12-17 CN CN202123196097.2U patent/CN216967076U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114083321A (en) * | 2021-12-17 | 2022-02-25 | 郑州科慧福瑞通机器人设备有限公司 | Fast clamping and opening mechanism for tongue pin |
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