CN210907937U - Rivet primary and secondary jar is from lock control structure - Google Patents
Rivet primary and secondary jar is from lock control structure Download PDFInfo
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- CN210907937U CN210907937U CN201921820815.9U CN201921820815U CN210907937U CN 210907937 U CN210907937 U CN 210907937U CN 201921820815 U CN201921820815 U CN 201921820815U CN 210907937 U CN210907937 U CN 210907937U
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Abstract
The utility model relates to a self-lock device, more specifically say, it relates to a rivet primary and secondary jar self-locking control structure, and its technical scheme main points are: the gas-liquid boosting cylinder can drive the retraction of the internal pulling nail piston sub-body through pressure output; the pneumatic control valve is connected with the rod cavity of the piston cylinder matrix and the rodless cavity of the piston cylinder matrix; the mechanical valve is connected with the pneumatic control valve in a control mode, can be touched and started in the process that the gas-liquid boosting cylinder outputs pressure, and is used for controlling the reversing of a valve core of the two-position four-way pneumatic control valve; the thimble can slide along the first cylinder body and set up, and the no pole chamber of first cylinder body is ventilated and is connected in the no pole chamber of piston cylinder parent, and the pole chamber of first cylinder body is ventilated and is connected in the pole chamber of piston cylinder parent, and the thimble can pull out and insert in the recess of riveter piston parent. The effect is as follows: firstly, the piston cylinder parent body and the blind rivet daughter can be self-locked. And secondly, the rivet is broken by the rivet sub-body, and when the rivet is broken and the gas circuit is switched, the rivet can be automatically installed in the piston cylinder parent body in a back-and-forth telescopic mode.
Description
Technical Field
The utility model relates to a self-lock device, more specifically say, it relates to a rivet primary and secondary jar self-locking control structure.
Background
Rivet guns, the most widely used riveting tool in work, rivets generally comprise a hollow rivet head and a rivet core. The riveting device can be used for fastening and riveting in manufacturing industries of various metal plates, pipes and the like, and is widely used for riveting electromechanical and light industrial products such as elevators, switches, instruments, furniture, decorations and the like at present.
And present riveter structure is complicated, can't realize quick dress rivet and quick snap rivet integration setting, generally for snap rivet back, needs the people to carry out dress rivet again.
SUMMERY OF THE UTILITY MODEL
To the deficiency that prior art exists, the utility model aims to provide a rivet primary and secondary jar self-locking control structure has the advantage of auto-lock and the automatic rivet of packing into.
The above technical purpose of the present invention can be achieved by the following technical solutions: the pull nail daughter can be slidably arranged in the piston cylinder mother body;
the rivet body comprises an inner rivet piston body and a rivet gun piston parent body, the inner rivet piston body can slide along the inside of the rivet gun piston parent body, and a groove is formed in the outer wall of the rivet gun piston parent body;
the gas-liquid boosting cylinder can drive the retraction of the internal pull nail piston sub-body through pressure output;
the two-position four-way pneumatic control valve is connected with a rod cavity of the piston cylinder matrix and a rodless cavity of the piston cylinder matrix, wherein the initial station is that the rod cavity of the piston cylinder matrix is in an exhaust state, and the rodless cavity of the piston cylinder matrix is in an inflation state;
the mechanical valve is connected with the two-position four-way pneumatic control valve in a control mode, can be touched and started in the process that the gas-liquid boosting cylinder outputs pressure, and is used for controlling the reversing of a valve core of the two-position four-way pneumatic control valve;
the air valve ejector pin comprises an ejector pin and a first cylinder body, the ejector pin can slide along the first cylinder body, a rodless cavity of the first cylinder body is connected with a rodless cavity of the piston cylinder matrix in an air mode, a rod cavity of the first cylinder body is connected with a rod cavity of the piston cylinder matrix in an air mode, and the ejector pin can be inserted into a groove of the piston matrix of the rivet gun in a drawing mode.
The utility model discloses further set up to: the gas-liquid boosting cylinder comprises a hydraulic cylinder part and a pneumatic cylinder part, and the pressure output of the hydraulic cylinder part can drive the internal pull nail piston body to retract;
the mechanical valve includes a touch activation portion provided in a hydraulic cylinder portion.
The utility model discloses further set up to: and a buffer sealing ring is arranged between the piston cylinder matrix and the blind rivet daughter.
The utility model discloses further set up to: and a buffer sealing ring is arranged between the inner pull nail piston body and the rivet gun piston parent body.
The utility model discloses further set up to: the valve core of the two-position four-way pneumatic control valve is reversed to a second station, the rod cavity of the piston cylinder parent body is in an inflation state, and the rodless cavity of the piston cylinder parent body is in an exhaust state
To sum up, the utility model discloses following beneficial effect has:
the rivet gun comprises a piston cylinder matrix, a rivet sub-body, a thimble and a rivet, wherein the piston cylinder matrix and the rivet sub-body are capable of self-locking, and the rivet sub-body and the piston cylinder matrix are limited through air pressure difference and are limited secondarily through the thimble in the process of rivet breaking, so that the rivet gun cannot slide between the piston cylinder matrix and the rivet sub-body in the process of rivet breaking.
And secondly, the rivet is broken by the rivet sub-body, and when the rivet is broken and the gas circuit is switched, the rivet can be automatically installed in the piston cylinder parent body in a back-and-forth telescopic mode.
Thirdly, the end pulling rivet and the rivet installing are integrated.
Drawings
FIG. 1 is a schematic structural diagram of a self-locking control structure of a rivet primary-secondary cylinder in the present embodiment;
FIG. 2 is a schematic view of the structure of the rivet of this embodiment.
In the figure: 1. a piston cylinder matrix; 2. a blind rivet sub-body; 201. the piston body is internally provided with a pull nail; 202. a rivet gun piston parent body; 203. a limiting part; 204. a piston portion; 3. a groove; 4. a gas-liquid boosting cylinder; 401. a hydraulic cylinder section; 402. a pneumatic cylinder section; 403. a first piston rod; 5. a two-position four-way pneumatic control valve; 6. a mechanical valve; 601. touching the starting part; 7. an air valve thimble; 701. a thimble; 702. a first cylinder; 8. riveting; 801. a rivet core; 802. a hollow rivet head; 9. a second piston cylinder; 10. a second piston rod body; 11. a first oil passage; 12. a second oil passage; 13. and a third oil passage.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
A self-locking control structure of a rivet primary-secondary cylinder is shown in figure 1 and comprises: the piston cylinder parent body 1 to and along the reciprocating sliding arrangement's in the piston cylinder parent body 1 blind rivet daughter 2. The blind rivet daughter 2 comprises an inner blind rivet piston daughter 201 and a rivet gun piston parent 202, the rivet gun piston parent 202 is slidably arranged in the first piston cylinder parent 1, and the rivet gun piston parent 202 and the first piston cylinder parent 1 are coaxially arranged. A buffer sealing ring is arranged between the piston cylinder matrix 1 and the rivet gun piston matrix 202, so that a rod cavity and a rodless cavity of the piston cylinder matrix 1 form an independent sealing cavity.
The blind rivet daughter 2 includes interior blind rivet piston daughter 201 and riveter piston parent 202, interior blind rivet piston daughter 201 can be followed the inside slip of riveter piston parent 202, be provided with the buffering sealing washer between interior blind rivet piston daughter 201 and riveter piston parent 202. The free end of the rivet gun piston body 202 is provided with a limiting portion 203, and the free end of the rivet gun piston body 202 is configured as a hollow rivet head 802 that can be limited. The left end of the inner blind rivet sub-body 2 is used for clamping a rivet core 801 of a rivet.
As shown in fig. 1, the rivet gun piston body 202 is provided with a groove 3 along the outer wall. And no matter the rivet gun piston parent body 202 slides in the piston cylinder parent body 1, the groove 3 of the rivet gun piston parent body 202 is positioned in the piston cylinder parent body 1.
The device is provided with a two-position four-way pneumatic control valve 5 which is connected with a rod cavity of the piston cylinder matrix 1 and a rodless cavity of the piston cylinder matrix 1, wherein an initial station is (hereinafter also referred to as a first station), the rod cavity of the piston cylinder matrix 1 is in an exhaust state, and the rodless cavity of the piston cylinder matrix 1 is in an inflation state. When the rod cavity of the piston cylinder matrix 1 is in an exhaust state, the rodless cavity of the piston cylinder matrix 1 is in an inflation state, the pull nail daughter 2 is pushed leftwards, and the pull nail daughter 2 extends out of the piston cylinder matrix 1 to the maximum extent. Wherein the second station behind the case reversal of two four-way air control valves 5 does, the pole chamber that has of piston cylinder matrix 1 is in gas filled state, the no pole chamber of piston cylinder matrix 1 is in the exhaust state, and it is the thrust that blind rivet daughter 2 received right promotion promptly, and blind rivet daughter 2 is in furthest indentation in piston cylinder matrix 1.
The air-liquid booster cylinder 4 is provided, and the air-liquid booster cylinder 4 further includes a first piston rod 403, and the first piston rod 403 divides the air-liquid booster cylinder 4 into a cylinder portion 401 and a cylinder portion 402, and as shown in fig. 1, the lower portion of the air-liquid booster cylinder 4 is the cylinder portion 402, and the upper portion thereof is the cylinder portion 401. The pressure output of the hydraulic cylinder part 401 can drive the retraction of the inner draw pin piston sub-body 201, that is, the compression of the hydraulic cylinder part 401 can drive the inner draw pin piston sub-body 201 to move rightwards. The two second piston rod bodies 10 are arranged in the piston cylinder matrix 1 in a sliding mode through arranging the second piston cylinder bodies 9 on two sides of the piston cylinder matrix 1, the second piston rods 10 are fixedly connected with the inner pull nail piston body 201, the first oil way 11 is arranged to be communicated with the hydraulic cylinder portion 401, the second oil way 12 and the third oil way 13 are arranged to be communicated with the two second piston cylinder bodies 9 respectively, and the second oil way 12 and the third oil way 13 are communicated with the first oil way 11, so that the second piston rod bodies 10 can be driven to move rightwards in the compression process of the hydraulic cylinder portion 401 of the gas-liquid boosting cylinder 4, and the inner pull nail piston body 201 is driven to move rightwards.
The mechanical valve 6 is connected with the two-position four-way pneumatic control valve 5 in a control mode, a valve core of the two-position four-way pneumatic control valve 5 can be reversed, and the mechanical valve 6 can be touched and started in the process that the gas-liquid boosting cylinder 4 outputs pressure. The mechanical valve 6 comprises a touch starting part 601, the touch starting part 601 is arranged on the upper inner wall of the hydraulic cylinder part 401, when the first piston rod 403 moves upwards in the gas-liquid boosting cylinder 4, the touch starting part 601 of the mechanical valve 6 is touched to start the valve core of the two-position four-way pneumatic control valve 5 to change direction, and the gas-liquid boosting cylinder 4 can drive the inner pull nail piston sub-body 201 to retract through pressure output. The first piston rod 403 is compressed to a stroke that touches the actuator of the mechanical valve 6, which is sufficient to cause the inner blind rivet body 2 to break the rivet core 801.
The air valve ejector pin 7 is arranged and comprises an ejector pin 701 and a first cylinder body 702, a through hole is formed in the outer wall of the piston cylinder matrix 1 for inserting and pulling the ejector pin 701, the ejector pin 701 is used for clamping the rivet gun piston matrix 202 through being inserted into the groove 3 of the rivet gun piston matrix 202, so that the rivet gun piston matrix 202 cannot slide in the piston cylinder matrix 1, the ejector pin 701 can slide along the first cylinder body 702, the rodless cavity of the first cylinder body 702 is connected with the rodless cavity of the piston cylinder matrix 1 in a ventilation mode, the rod cavity of the first cylinder body 702 is connected with the rod cavity of the piston cylinder matrix 1 in a ventilation mode, and the ejector pin 701 can be inserted into the groove 3 of the rivet gun piston matrix 202 in a drawing mode. The riveter piston parent 202 comprises a piston part 204 which is tightly attached to the inner wall of the piston cylinder parent 1 and slides, a wedge is formed on the left side face of the piston part 204, the piston part 204 and the thimble 701 are matched to form a wedge mechanism, when the riveter piston parent 202 is pushed out of the piston cylinder parent 1, the riveter piston parent 202 can jack up the thimble 701, and after the thimble 701 is jacked up, the riveter piston parent 202 continues to be pushed out of the piston cylinder parent 1 until the thimble 701 is clamped in the outer wall groove 3 of the riveter piston parent 202.
The rivet snapping process (the two-position four-way pneumatic control valve 5 is at the first station): when the first piston rod 403 rises to a certain extent, the second piston rod 10 is controlled to drive the inner rivet piston body 201 to pull rightward so as to break the rivet core 801. Because the rod cavity of the piston cylinder parent body 1 is in an exhaust state, and the rodless cavity of the piston cylinder parent body 1 is in an inflation state, as shown in fig. 1, the thimble 701 is inserted into the groove 3 of the riveter piston parent body 202 for the first cylinder body 702 at the moment, and fixes and limits the piston cylinder parent body 1, so that the riveter piston parent body 202 cannot slide along the piston cylinder parent body 1. And in the process of breaking the rivet, the thimble 701 is always inserted into the groove 3 of the rivet gun piston parent body 202.
The subsequent process of installing the rivet core 801 of the next rivet 8 into the inner blind rivet piston sub-body 201 is required: after the rivet core 801 is broken, the first piston rod 10 moves upwards again and is pressed to the touch starting portion 601 of the mechanical valve 6, the valve core of the two-position four-way pneumatic control valve 5 is started to change direction, the rod cavity of the piston cylinder parent body 1 is in an inflation state, the rod-free cavity of the piston cylinder parent body 1 is in an exhaust state, the thimble 701 is pushed easily under stress due to smaller mass, the thimble 701 is separated from the groove 3 of the rivet gun piston parent body 202 firstly, then the inner rivet piston child body 201 is pushed rightwards, the rivet child body 2 is retracted into the piston cylinder parent body 1 to the maximum extent, and at the moment, a device is arranged outside or the rivet is manually moved to the outer position of the opening of the free end limiting portion 203 of the inner rivet piston child body 201 to be inserted in advance. Furthermore, the pressure relief of the pneumatic cylinder part 402 of the externally controlled pneumatic-hydraulic booster cylinder 4 is realized, the stress direction of the first piston rod 403 is downward, the first piston rod 403 is downward moved along the pneumatic-hydraulic booster cylinder 4, the inner pull nail piston body 201 is displaced towards the interior of the riveter piston parent body 202, meanwhile, the first piston rod 403 is separated from the pressing of the mechanical valve 6 touching the starting part 601, so that the two-position four-way pneumatic control valve 5 is returned to the first station, the rod cavity of the piston cylinder parent body 1 is in an exhaust state, the rodless cavity of the piston cylinder parent body 1 is in an inflation state, the whole pull nail body 2 is pushed leftwards, the pull nail body 2 is extended out of the piston cylinder parent body 1 to the maximum extent, in the extending process, as the thimble 701 is lighter and pushed first, the thimble is inserted into the rod cavity of the piston parent body 1, and then the riveter piston parent body 202 is pushed leftwards until the wedge of the riveter piston, the thimble top 701 is jacked up, the thimble 701 slides along the outer wall of the riveter piston parent body until being inserted into the groove 3 of the riveter piston parent body 202, and when the riveter piston parent body 202 slides leftwards, the rivet core outside the inner pull-nail piston daughter 201 is inserted into the inner pull-nail piston daughter 201.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. The utility model provides a rivet primary and secondary jar self-locking control structure which characterized in that includes: the pull nail daughter can be slidably arranged in the piston cylinder mother body;
the rivet gun comprises a rivet gun piston parent body, a rivet gun piston parent body and a rivet sub body, wherein the rivet gun piston parent body is provided with a groove along the outer wall;
the gas-liquid boosting cylinder can drive the retraction of the internal pull nail piston sub-body through pressure output;
the two-position four-way pneumatic control valve is connected with a rod cavity of the piston cylinder matrix and a rodless cavity of the piston cylinder matrix, wherein the initial station is that the rod cavity of the piston cylinder matrix is in an exhaust state, and the rodless cavity of the piston cylinder matrix is in an inflation state;
the mechanical valve is connected with the two-position four-way pneumatic control valve in a control mode, can be touched and started in the process that the gas-liquid boosting cylinder outputs pressure, and is used for controlling the reversing of a valve core of the two-position four-way pneumatic control valve;
the air valve ejector pin comprises an ejector pin and a first cylinder body, the ejector pin can slide along the first cylinder body, a rodless cavity of the first cylinder body is connected with a rodless cavity of the piston cylinder matrix in an air mode, a rod cavity of the first cylinder body is connected with a rod cavity of the piston cylinder matrix in an air mode, and the ejector pin can be inserted into a groove of the piston matrix of the rivet gun in a drawing mode.
2. The rivet primary and secondary cylinder self-locking control structure of claim 1, characterized in that: the gas-liquid boosting cylinder comprises a hydraulic cylinder part and a pneumatic cylinder part, and the pressure output of the hydraulic cylinder part can drive the internal pull nail piston body to retract;
the mechanical valve includes a touch activation portion provided in a hydraulic cylinder portion.
3. The rivet primary and secondary cylinder self-locking control structure of claim 1, characterized in that: and a buffer sealing ring is arranged between the piston cylinder matrix and the blind rivet daughter.
4. The rivet primary and secondary cylinder self-locking control structure of claim 1, characterized in that: and a buffer sealing ring is arranged between the inner pull nail piston body and the rivet gun piston parent body.
5. The rivet primary and secondary cylinder self-locking control structure of claim 1, characterized in that: and in a second station where the valve core of the two-position four-way pneumatic control valve is reversed, the rod cavity of the piston cylinder matrix is in an inflation state, and the rodless cavity of the piston cylinder matrix is in an exhaust state.
6. The rivet primary and secondary cylinder self-locking control structure of claim 1, characterized in that: the rivet gun piston parent body comprises a piston part tightly attached to the inner wall of the piston cylinder parent body in a sliding mode, the piston part is matched with the ejector pin to form a wedge mechanism, and when the rivet gun piston parent body is pushed out of the piston cylinder parent body, the rivet gun piston parent body jacks up the ejector pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921820815.9U CN210907937U (en) | 2019-10-28 | 2019-10-28 | Rivet primary and secondary jar is from lock control structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921820815.9U CN210907937U (en) | 2019-10-28 | 2019-10-28 | Rivet primary and secondary jar is from lock control structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210907937U true CN210907937U (en) | 2020-07-03 |
Family
ID=71356857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921820815.9U Active CN210907937U (en) | 2019-10-28 | 2019-10-28 | Rivet primary and secondary jar is from lock control structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210907937U (en) |
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2019
- 2019-10-28 CN CN201921820815.9U patent/CN210907937U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220922 Address after: Heshu, Kuizhang Village, Anliu Town, Wuhua County, Meizhou City, Guangdong Province, 514400 Patentee after: Gu Hanjie Address before: No. 7, Eleventh Street, East District, Xiapu Development Zone, Fuhua Road, Xintang Town, Zengcheng District, Guangzhou City, Guangdong Province, 510000 Patentee before: GUANGZHOU BOXIE INTELLIGENT TECHNOLOGY CO.,LTD. |
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| TR01 | Transfer of patent right |