CN210907938U - Double-hydraulic device for breaking rivet - Google Patents
Double-hydraulic device for breaking rivet Download PDFInfo
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- CN210907938U CN210907938U CN201921820823.3U CN201921820823U CN210907938U CN 210907938 U CN210907938 U CN 210907938U CN 201921820823 U CN201921820823 U CN 201921820823U CN 210907938 U CN210907938 U CN 210907938U
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Abstract
The utility model relates to a riveter, more specifically say, it relates to a two hydraulic means for breaking rivet, and its technical scheme main points are: the piston cylinder comprises second piston cylinder bodies, wherein the two second piston cylinder bodies are symmetrically arranged on two sides of a parent body of the first piston cylinder; the piston piece comprises two second piston rod bodies and a first piston rod body, and the second piston rod bodies and the first piston rod bodies are arranged in a linkage manner; the two second piston rod bodies are respectively arranged in the second piston cylinder in a sliding manner so as to drive the first piston rod to move; the first piston rod body is arranged in the first piston cylinder mother body, and the second piston rod body is fixedly connected with the inner pull nail piston daughter body. The effect is as follows: first, the bilateral symmetry of first piston cylinder matrix sets up the second piston cylinder body, makes the power to first piston rod also relatively symmetrical, reduces the moment of flexure of first piston rod. And secondly, the bearing capacity of the material thickness of the second piston cylinder body is reduced, and the service life of the second piston cylinder body is prolonged.
Description
Technical Field
The utility model relates to a riveter, more specifically say, it relates to a two hydraulic means for breaking rivet.
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.
Most of the existing rivet guns are too large in size and unreasonable in structure, so that the rivet guns can encounter the problem of too large size in the process of breaking rivets or when being arranged in a tool box, for example, the tool box can be placed greatly, and for example, the rivet guns are too large in size and can be used by a user after being gripped by both hands.
In addition, the output force of a hydraulic system for pulling the rivet shaft on the rivet shaft is unbalanced, so that bending moment is generated, and the rivet shaft is bent and broken.
Therefore, a double hydraulic device for breaking the rivet is needed to solve the problems that a rivet shaft of a rivet gun is easily stressed to generate bending moment, and the rivet gun is too large in size and unreasonable in design.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a two hydraulic means for breaking rivet has reasonable in design, reduces the advantage of the moment of flexure of the first body of rod.
The above technical purpose of the present invention can be achieved by the following technical solutions: including first piston cylinder parent to and with the blind rivet daughter that slides and set up in the first piston cylinder parent, the blind rivet daughter includes interior blind rivet piston daughter and riveter piston parent, interior blind rivet piston daughter can be followed slide in the riveter piston parent, the free end of riveter piston parent sets up to spacing portion, its characterized in that: the piston cylinder comprises second piston cylinder bodies, wherein the two second piston cylinder bodies are symmetrically arranged on two sides of a parent body of the first piston cylinder;
the piston piece comprises two second piston rod bodies and a first piston rod body, and the second piston rod bodies and the first piston rod bodies are arranged in a linkage manner; the two second piston rod bodies are respectively arranged in the second piston cylinder in a sliding manner so as to drive the first piston rod to move; the first piston rod body is arranged in the first piston cylinder mother body, and the second piston rod body is fixedly connected with the inner pull nail piston daughter body.
The utility model discloses further set up to: including the sealing washer, the both ends opening of first piston cylinder parent all is provided with the sealing washer for the clearance between sealed blind rivet daughter and the first piston rod body and the first piston cylinder parent.
The utility model discloses further set up to: a piston ring is arranged between the blind rivet daughter and the first piston cylinder parent body.
The utility model discloses further set up to: the gas-liquid boosting cylinder comprises a cylinder part and a hydraulic cylinder part;
the first oil way is communicated with the hydraulic cylinder part, the second oil way and the third oil way are respectively communicated with the second piston cylinder body, the second oil way and the third oil way are communicated with the first oil way, and the second piston rod is pushed out of the second piston cylinder body in a pressurization state of the gas-liquid boosting cylinder.
The utility model discloses further set up to: the first oil path is communicated with the hydraulic cylinder part, and the second oil path and the third oil path are respectively communicated with a rodless cavity of the second piston cylinder body.
The utility model discloses further set up to: the open end of the second piston cylinder is back to the open end of the first piston cylinder parent body.
To sum up, the utility model discloses following beneficial effect has:
first, the bilateral symmetry of first piston cylinder matrix sets up the second piston cylinder body, makes the power to first piston rod also relatively symmetrical, can reduce the moment of flexure of first piston rod.
And secondly, the second piston cylinder bodies are symmetrically arranged on two sides of the first piston cylinder matrix, so that the design of the rivet gun is more reasonable.
And thirdly, the bearing capacity of the material thickness of the second piston cylinder body can be reduced, and the service life of the second piston cylinder body is prolonged.
Drawings
FIG. 1 is a schematic diagram of a dual hydraulic device for snapping rivets in this embodiment;
FIG. 2 is a side view of a dual hydraulic device for snapping rivets in this embodiment;
FIG. 3 is a cross-sectional view taken along plane D-D of FIG. 2;
FIG. 4 is a rear view of a dual hydraulic device for snapping rivets in this embodiment;
FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;
figure 6 is a cross-sectional view of the rivet.
In the figure: 1. a first 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; 3. a second piston cylinder; 4. a piston member; 401. a second piston rod body; 402. a first piston rod body; 5. a first cylinder; 6. a gas-liquid boosting cylinder; 7. a first oil passage; 8. a second oil passage; 9. a third oil passage; 10. riveting; 101. a hollow rivet head; 102. and (4) rivet cores.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
An apparatus for breaking a rivet 10, as shown in figure 1, comprising: the first piston cylinder matrix 1 to and along the slidable arrangement's in the first piston cylinder matrix 1 blind rivet daughter 2. The blind rivet daughter 2 comprises an inner blind rivet piston daughter 201 and a rivet 10 gun piston parent 202, the rivet 10 gun piston parent 202 is fixedly 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.
The free end of riveter piston parent 202 is constructed as spacing hollow rivet head 101, interior blind rivet piston daughter 201 can be followed the inside slip of rivet 10 rifle piston parent 202, but interior blind rivet piston daughter 201 centre gripping rivet core 102, after interior blind rivet piston daughter 201 centre gripping rivet 10 core, can be through to the sub-2 of right side pulling blind rivet, then interior blind rivet piston daughter 201 pulling rivet core 102 moves to the right, and hollow rivet head 101 is spacing by the free end of riveter piston parent 202, then interior blind rivet piston daughter 201 can break rivet core 102.
The piston cylinder is provided with two second piston cylinder bodies 3, and the two second piston cylinder bodies 3 are symmetrical to two sides of the first piston cylinder matrix 1. The open end of the second piston cylinder 3 is back to the open end of the first piston cylinder parent body 1
Be provided with piston spare 4, piston spare 4 includes two second piston rod bodies 401 and a first piston rod body 402, second piston rod body 401 sets up with the syntropy linkage of first piston rod body 402, second piston rod body 401 and first piston rod body 402 fixed connection, but and syntropy removal. The two second piston rod bodies 401 are slidably disposed along the second piston cylinder 3, respectively, so as to drive the first piston rod body 402 to move along the first piston cylinder parent body 1. First piston body of rod 402 sets up in first piston cylinder parent 1, the left end fixed connection of second piston body of rod 401 in interior blind rivet piston daughter 201, accessible control second piston body of rod 401 is at second piston cylinder 3 internalization to drive first piston body of rod 402 along the axial displacement in first piston cylinder parent 1, thereby drive interior blind rivet piston daughter 201 and break rivet core 102.
Because the size restriction of riveter, the space of design is limited, can not use the piston cylinder riveting of very big circular area, set to two little second piston cylinder body 3 and symmetry and set up in 1 both sides of first piston cylinder matrix, the atress can reach same effect, make holistic structure more evenly distributed, and two second piston rod body 401 symmetric distribution, make first piston rod body 402 receive littleer radial force, reduce the moment of flexure of first piston rod, make the difficult radial skew of first piston rod body 402 and crooked.
Including the sealing washer, the both ends opening of first piston cylinder parent 1 all is provided with the sealing washer for the clearance between sealed blind rivet daughter 2 and first piston rod body 402 and first piston cylinder parent 1.
The rivet driver comprises a first air cylinder 5 provided with two inner cavities, wherein the two inner cavities of the first air cylinder are respectively connected with the inner cavities of the inner pull nail piston body 201 on two sides in a rivet driver piston parent body 202 in a ventilating mode.
Be provided with the piston ring in between blind rivet daughter 2 and first piston cylinder matrix 1, prevent the gas leakage in the first piston cylinder matrix 1.
The gas-liquid boosting cylinder 6 is arranged, and the gas-liquid boosting cylinder 6 comprises a cylinder part and a hydraulic cylinder part. The first oil path 7 is communicated with the hydraulic cylinder part, the second oil path 8 and the third oil path 9 are respectively communicated with the two second piston cylinder bodies 3, the second oil path 8 and the third oil path 9 are communicated with the first oil path 7, the first oil path 7 is communicated with the hydraulic cylinder part, the second oil path 8 and the third oil path 9 are respectively communicated with the rodless cavity of the second piston cylinder body 3, wherein in the compression state of the hydraulic cylinder, the second piston rod body 401 is pushed out of the second piston cylinder body 3, when the gas-liquid boosting cylinder 6 is pressurized, the second piston rod body 401 is withdrawn out of the second piston cylinder body 3, and the first piston rod body 402 and the inner rivet piston body 201 are driven to break the rivet core 102.
According to F ═ PA (P is pressure, a is cross-sectional area), since the force pulling the blind plunger sub-body is fixed, assuming that the force is F1, the pressure is P1, and the force area is a 1. Two second piston cylinder bodies 3 are arranged on two sides of the first piston cylinder matrix 1, so that each second piston cylinder body 3 is set to be reduced in stress area, the effective working areas of the second piston cylinder bodies 3 are set to be equal, the effective working area of each second piston cylinder body 3 can be set to be A1/2, and the stress of the two second piston cylinder bodies 3 can achieve the effect of pulling the first piston rod body 402. The second piston cylinders 3 are symmetrically arranged on two sides of the first piston cylinder matrix 1, and the output forces of the two second piston cylinders 3 are both F1/2, so that the bending moment on the first piston rod can be reduced. And two second piston cylinders 3 are provided, the pressure of a single second piston cylinder 3 is F1/2, which is half of the pressure of one piston cylinder, so that the bearing capacity of the material thickness of the second piston cylinder 3 can be reduced, and the service life of the second piston cylinder 3 can be prolonged.
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 two hydraulic means for breaking rivet, includes first piston cylinder parent to and with the blind rivet daughter that slides and set up in the first piston cylinder parent, the blind rivet daughter includes interior blind rivet piston daughter and riveter piston parent, interior blind rivet piston daughter can be followed slide in the riveter piston parent, the free end of riveter piston parent sets up to spacing portion, its characterized in that: the piston cylinder comprises second piston cylinder bodies, wherein the two second piston cylinder bodies are symmetrically arranged on two sides of a parent body of the first piston cylinder;
the piston piece comprises two second piston rod bodies and a first piston rod body, and the second piston rod bodies and the first piston rod bodies are arranged in a linkage manner; the two second piston rod bodies are respectively arranged in the second piston cylinder in a sliding manner so as to drive the first piston rod to move; the first piston rod body is arranged in the first piston cylinder mother body, and the second piston rod body is fixedly connected with the inner pull nail piston daughter body.
2. A dual hydraulic device for snap rivets as set forth in claim 1, characterized in that: including the sealing washer, the both ends opening of first piston cylinder parent all is provided with the sealing washer for the clearance between sealed blind rivet daughter and the first piston rod body and the first piston cylinder parent.
3. A dual hydraulic device for snap rivets as set forth in claim 1, characterized in that: a piston ring is arranged between the blind rivet daughter and the first piston cylinder parent body.
4. A dual hydraulic device for snap rivets as set forth in claim 1, characterized in that: the gas-liquid boosting cylinder comprises a cylinder part and a hydraulic cylinder part;
the first oil way is communicated with the hydraulic cylinder part, the second oil way and the third oil way are respectively communicated with the second piston cylinder body, the second oil way and the third oil way are communicated with the first oil way, and the second piston rod is pushed out of the second piston cylinder body in a pressurization state of the gas-liquid boosting cylinder.
5. A dual hydraulic device for snap rivets as set forth in claim 4, characterized in that: the first oil path is communicated with the hydraulic cylinder part, and the second oil path and the third oil path are respectively communicated with a rodless cavity of the second piston cylinder body.
6. A dual hydraulic device for snap rivets as set forth in claim 5, characterized in that: the open end of the second piston cylinder is back to the open end of the first piston cylinder parent body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921820823.3U CN210907938U (en) | 2019-10-28 | 2019-10-28 | Double-hydraulic device for breaking rivet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921820823.3U CN210907938U (en) | 2019-10-28 | 2019-10-28 | Double-hydraulic device for breaking rivet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210907938U true CN210907938U (en) | 2020-07-03 |
Family
ID=71356998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921820823.3U Active CN210907938U (en) | 2019-10-28 | 2019-10-28 | Double-hydraulic device for breaking rivet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210907938U (en) |
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2019
- 2019-10-28 CN CN201921820823.3U patent/CN210907938U/en active Active
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