CN220680570U - Clamp for placing piston rod to be prevented from being damaged - Google Patents
Clamp for placing piston rod to be prevented from being damaged Download PDFInfo
- Publication number
- CN220680570U CN220680570U CN202322327810.5U CN202322327810U CN220680570U CN 220680570 U CN220680570 U CN 220680570U CN 202322327810 U CN202322327810 U CN 202322327810U CN 220680570 U CN220680570 U CN 220680570U
- Authority
- CN
- China
- Prior art keywords
- side wall
- buffer
- clamp
- piston rod
- clamping jaw
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 229910001369 Brass Inorganic materials 0.000 claims abstract description 5
- 239000010951 brass Substances 0.000 claims abstract description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 14
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 240000005002 Erythronium dens canis Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
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- Jigs For Machine Tools (AREA)
Abstract
The utility model relates to the technical field of clamps, in particular to a clamp for placing a piston rod to prevent damage, which comprises a chuck, wherein at least three clamping jaws for fixing a workpiece are connected to the front side wall surface of the chuck in a sliding manner, and the clamp also comprises a clamping plate; the buffer cushion is arranged at a position, close to the circle center, on the clamping jaw and is composed of brass; the positioning slide block is fixedly arranged on a side wall surface, close to the clamping jaw, of the buffer pad, and a positioning groove is formed in the side wall surface, close to the buffer pad, of the clamping jaw.
Description
Technical Field
The utility model relates to the technical field of clamps, in particular to a clamp for placing a piston rod to be prevented from being damaged.
Background
The jig is a device for fixing a machining object in a machine manufacturing process so as to occupy a correct position for performing a construction or a detection. In a broad sense, any device used to quickly, conveniently and safely mount a workpiece at any stage in the process may be referred to as a fixture.
The utility model of China with the publication number of CN217019428U discloses a base with an inner cavity and three clamping jaws, wherein the base is provided with three sliding grooves which extend radially and are communicated with the inner cavity, and the clamping jaws are connected in the corresponding sliding grooves in a sliding manner; the inner cavity is rotatably connected with a driving fluted disc, planar threads which are spirally distributed are arranged on the driving fluted disc, the bottom of the clamping jaw is provided with driven threads which are arc-shaped and extend downwards to the inner cavity, and the driven threads are meshed with the planar threads for transmission; a driving gear is rotatably connected in the inner cavity and is meshed with the driving fluted disc for transmission; the rotating shaft of the driving gear extends upwards to the outer side of the base and is connected with a connecting piece for clamping a wrench. The connecting piece is rotated through the spanner to drive the fluted disc to rotate, then through the meshing transmission of the planar thread on the fluted disc and the driven thread at the bottom of three clamping jaws, three clamping jaws are driven to synchronously move in corresponding sliding grooves, and then workpieces are clamped or loosened, and the operation is simple and convenient.
In the above-mentioned prior art scheme, through the removal of clamping jaw, can fix the work piece, but at in-service use's in-process, the piston rod needs to be placed in the inside of engine, guarantees the normal operating of engine, so need be at the in-process of processing the piston rod, the surface of piston rod can not receive the damage, and in the above-mentioned prior art scheme, when the clamping jaw is too big to the pressure that the piston rod applyed, and the surface of clamping jaw still is provided with the dogtooth, causes the damage to the surface of piston rod easily.
Disclosure of Invention
The utility model aims at overcoming the defects of the prior art, and provides a clamp for placing a piston rod to prevent the piston rod from being damaged.
The technical scheme of the utility model is as follows: the fixture for preventing the piston rod from being damaged comprises a chuck, wherein at least three clamping jaws for fixing a workpiece are connected to the front side wall surface of the chuck in a sliding manner, and the fixture further comprises a clamping plate;
the buffer cushion is arranged at a position, close to the circle center, on the clamping jaw and is composed of brass;
the positioning slide block is fixedly arranged on a side wall surface, close to the clamping jaw, of the buffer cushion, and a positioning groove is formed in the side wall surface, close to the buffer cushion, of the clamping jaw.
Preferably, the buffer pad is arranged to be hollow semi-cylindrical, the front side wall surface and the rear side wall surface of the inside of the buffer pad are respectively clamped with a reinforcing rod, and a supporting plate is fixedly arranged at the bottom end of one side wall surface, which is close to the two reinforcing rods, of the buffer pad.
Preferably, the inside of blotter is provided with the connecting rod, and fixed mounting has four dead levers on the lateral wall of connecting rod, and the lateral wall threaded connection that is close to the inside of blotter on the dead lever has fixing bolt, and location slider fixed connection is on the lateral wall that keeps away from the blotter on the connecting rod.
Preferably, a fixing groove is formed in the side wall of the clamping jaw, and a fixing plate penetrating through the clamping jaw is clamped in the fixing groove.
Preferably, a side wall surface, close to the inside of the cushion pad, on the connecting rod is provided with an arc-shaped buffer plate, and one end, far away from the connecting rod, on the buffer plate is fixedly connected with one end, approaching to the supporting plate, on the supporting plate.
Preferably, the inside wall fixed mounting of buffer board has the spacing sliding sleeve that is the rectangle form, fixed mounting has the buffer rod with spacing sliding sleeve sliding connection on the lateral wall of connecting rod, and the top of spacing sliding sleeve is equipped with the buffer block.
The utility model provides a clamp for placing a damage-proof piston rod through improvement, and compared with the prior art, the clamp has the following improvement and advantages:
the method comprises the following steps: according to the utility model, the buffer cushion is connected onto the clamping jaw in a sliding manner through the mutual matching of the positioning groove and the positioning sliding block, so that the buffer cushion is convenient to mount and replace, and the buffer cushion is used for replacing the contact of the clamping jaw and the piston rod, so that the scratch and abrasion on the surface of the piston rod can be protected, and the damage of the piston rod is reduced;
and two,: according to the utility model, the cushion pad is hollow, so that the cost of the cushion pad is reduced, the front and rear ends of the cushion pad and one end, far away from the clamping jaw, of the inside of the cushion pad are reinforced by the reinforcing rods and the supporting plates, the cost is reduced, and the condition that the deformation amplitude of the piston rod clamped by the cushion pad is overlarge is avoided.
Drawings
The utility model is further explained below with reference to the drawings and examples:
FIG. 1 is a front view of a clamp of the present utility model positioned to prevent damage to a piston rod;
FIG. 2 is a cross-sectional view of a jaw of the present utility model;
FIG. 3 is a cross-sectional view of a cushion of the present utility model.
Reference numerals illustrate:
1. a chuck; 2. a clamping jaw; 3. a cushion pad; 4. a positioning groove; 5. positioning a sliding block; 6. a support plate; 7. a reinforcing rod; 8. a fixed rod; 9. a fixing bolt; 10. a connecting rod; 11. a buffer plate; 12. a buffer rod; 13. a limit sliding sleeve; 14. a buffer block; 15. a fixing groove; 16. and a fixing plate.
Detailed Description
The following detailed description of the present utility model clearly and fully describes the technical solutions of the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a clamp for placing a damage-proof piston rod by improving the structure, and the technical scheme of the utility model is as follows:
as shown in fig. 1-3, a clamp for placing a piston rod to prevent damage comprises a chuck 1, at least three clamping jaws 2 for fixing a workpiece are connected to the front side wall surface of the chuck 1 in a sliding manner, and the clamp also comprises a buffer pad 3 and a positioning sliding block 5;
the buffer cushion 3 is arranged at the position, close to the circle center, of the clamping jaw 2, and the buffer cushion 3 is made of brass, so that the buffer cushion 3 can buffer and disperse pressure due to higher flexibility of the brass, and the buffer cushion 3 replaces the clamping jaw 2 to be contacted with the piston rod, so that scratches and abrasion on the surface of the piston rod can be protected;
the positioning slide block 5 is fixedly arranged on a side wall surface, close to the clamping jaw 2, of the buffer cushion 3, and a positioning groove 4 which can be connected with the positioning slide block 5 in a sliding way is formed in the side wall surface, close to the buffer cushion 3, of the clamping jaw 2;
by means of the structure, the buffer cushion 3 is slidably connected to the clamping jaw 2 through the mutual matching of the positioning groove 4 and the positioning sliding block 5, the buffer cushion 3 is convenient to install and replace, the buffer cushion 3 is utilized to replace the clamping jaw 2 to be in contact with the piston rod, scratches and abrasion on the surface of the piston rod can be protected, and damage to the piston rod is reduced.
Furthermore, in order to reduce the cost, the cushion pad 3 can be arranged to be hollow semi-cylindrical, the front side wall surface and the rear side wall surface of the inside of the cushion pad 3 are respectively clamped with a reinforcing rod 7 used for reinforcing the inside of the cushion pad 3, and the bottom ends of the side wall surfaces, which are close to each other, of the two reinforcing rods 7 are fixedly provided with a supporting plate 6 used for reinforcing the cushion pad 3; by means of the structure, the cushion pad 3 is arranged to be hollow, the cost of the cushion pad 3 is reduced, and meanwhile, the front end and the rear end of the cushion pad 3 and one end, away from the clamping jaw 2, of the inside of the cushion pad 3 are reinforced by the reinforcing rods 7 and the supporting plates 6, so that the condition that the deformation amplitude of the piston rod clamped by the cushion pad 3 is overlarge is avoided.
Further, as the consumption of the cushion pad 3 is larger along with the use, and the structural consumption for reinforcing the cushion pad 3 is smaller, a connecting rod 10 can be arranged in the cushion pad 3, four fixing rods 8 which are respectively and fixedly connected with the inner side walls of the two reinforcing rods 7 are fixedly arranged on the side walls of the connecting rod 10, a fixing bolt 9 which is in threaded connection with the side wall of the cushion pad 3 is connected with one side wall surface of the fixing rod 8 close to the inner side of the cushion pad 3, and a positioning sliding block 5 is fixedly connected with one side wall surface of the connecting rod 10 far away from the cushion pad 3; by means of the structure, the reinforcing rod 7 and the connecting rod 10 are connected through the fixing rod 8, the connecting rod 10 is fixed on the side wall of the cushion pad 3 through the fixing bolt 9, when the loss of the cushion pad 3 is large, the fixing bolt 9 can be detached to detach the reinforced part, and then the reinforced part is mounted on the new cushion pad 3, so that the reinforced part is reused, and the cost is further reduced.
Further, in order to reinforce the position of the cushion pad 3, a fixing groove 15 is formed in the side wall of the clamping jaw 2, and a fixing plate 16 penetrating through the inside of the clamping jaw 2 is clamped in the fixing groove 15; by means of the structure, the cushion pad 3 is pushed towards the inside of the chuck 1, the rear side wall surface of the fixing groove 15 is attached to the front side wall surface of the cushion pad 3, the position of the cushion pad 3 is limited, and the cushion pad 3 is prevented from falling easily.
Further, in order to further strengthen the cushion pad 3, an arc-shaped buffer plate 11 is arranged on a side wall surface of the connecting rod 10, which is close to the inside of the cushion pad 3, and one end of the buffer plate 11, which is far away from the connecting rod 10, is fixedly connected with one end, which is close to the supporting plate 6; by means of the structure, one end, far away from the supporting plate 6, of the buffer plate 11 is attached to the side wall of the connecting rod 10, one end, close to the supporting plate 6, of the buffer plate 11 is attached to the side wall of the supporting plate 6, and accordingly the buffer plate 11 can support the supporting plate 6, and supporting strength of the supporting plate 6 is improved.
Furthermore, in order to avoid easy variation of the position of the buffer plate 11, a rectangular limit sliding sleeve 13 is fixedly arranged on the inner side wall of the buffer plate 11, a buffer rod 12 which is in sliding connection with the limit sliding sleeve 13 is fixedly arranged on a side wall surface of the connecting rod 10, which is close to the inside of the buffer pad 3, and a buffer block 14 is arranged at the top end of the limit sliding sleeve 13; by means of the structure, through the rectangular limiting sliding sleeve 13, the position of the buffer plate 11 cannot rotate under the mutual cooperation of the limiting sliding sleeve 13 and the buffer rod 12, the buffer block 14 is arranged at the top of the limiting sliding sleeve 13, the limiting sliding sleeve 13 has enough movable space by utilizing the deformable characteristic of the buffer block 14, the limiting sliding sleeve 13 can strengthen the supporting plate 6, and meanwhile the deformable characteristic of the buffer cushion 3 can be guaranteed.
The working principle of the utility model is as follows: through the mutually supporting of constant head tank 4 and location slider 5, with blotter 3 sliding connection on clamping jaw 2, easy to assemble and change blotter 3, utilize blotter 3 to replace clamping jaw 2 and piston rod contact, can protect the scratch and the wearing and tearing on piston rod surface, reduce the damage of piston rod, through setting up blotter 3 to be hollow form, reduce the cost of blotter 3, utilize stiffener 7 and backup pad 6 to consolidate the front and back both ends of blotter 3 and the inside one end of keeping away from clamping jaw 2 of blotter 3 simultaneously, avoid the blotter 3 to clip the too big condition emergence of piston rod deformation range.
Claims (6)
1. The clamp for placing the piston rod is prevented from being damaged, and comprises a chuck (1), wherein at least three clamping jaws (2) for fixing a workpiece are connected to the front side wall surface of the chuck (1) in a sliding manner, and the clamp is characterized by further comprising;
the buffer cushion (3), the buffer cushion (3) is arranged on the clamping jaw (2) at a position close to the center of a circle, and the buffer cushion (3) is composed of brass;
the positioning slide block (5), the positioning slide block (5) is fixedly arranged on a side wall surface, close to the clamping jaw (2), on the cushion pad (3), and a positioning groove (4) is formed in a side wall surface, close to the cushion pad (3), on the clamping jaw (2).
2. A clamp for placing a tamper-proof piston rod as defined in claim 1, wherein: the cushion pad (3) is arranged to be hollow semi-cylindrical, reinforcing rods (7) are clamped on the front side wall surface and the rear side wall surface of the inside of the cushion pad (3), and supporting plates (6) are fixedly arranged at the bottom ends of the side wall surfaces, approaching to each other, of the two reinforcing rods (7).
3. A clamp for placing a tamper-proof piston rod as defined in claim 2, wherein: the inside of blotter (3) is provided with connecting rod (10), and fixed mounting has four dead levers (8) on the lateral wall of connecting rod (10), and a lateral wall face threaded connection that is close to inside blotter (3) on dead lever (8) has fixing bolt (9), and location slider (5) fixed connection is on a lateral wall face that keeps away from blotter (3) on connecting rod (10).
4. A clamp for placing a tamper-proof piston rod as defined in claim 1, wherein: the side wall of the clamping jaw (2) is provided with a fixing groove (15), and a fixing plate (16) penetrating through the clamping jaw (2) is clamped in the fixing groove (15).
5. A clamp for placing a tamper-proof piston rod as defined in claim 3, wherein: a buffer plate (11) in an arc shape is arranged on a side wall surface, close to the inside of the buffer pad (3), of the connecting rod (10), and one end, far away from the connecting rod (10), of the buffer plate (11) is fixedly connected with one end, approaching to the end, on the supporting plate (6).
6. A clamp for placing a tamper-proof piston rod as defined in claim 5 wherein: the buffer plate is characterized in that a limiting sliding sleeve (13) in a rectangular shape is fixedly arranged on the inner side wall of the buffer plate (11), a buffer rod (12) which is in sliding connection with the limiting sliding sleeve (13) is fixedly arranged on the side wall of the connecting rod (10), and a buffer block (14) is arranged at the top end of the limiting sliding sleeve (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322327810.5U CN220680570U (en) | 2023-08-29 | 2023-08-29 | Clamp for placing piston rod to be prevented from being damaged |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322327810.5U CN220680570U (en) | 2023-08-29 | 2023-08-29 | Clamp for placing piston rod to be prevented from being damaged |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220680570U true CN220680570U (en) | 2024-03-29 |
Family
ID=90407701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322327810.5U Active CN220680570U (en) | 2023-08-29 | 2023-08-29 | Clamp for placing piston rod to be prevented from being damaged |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220680570U (en) |
-
2023
- 2023-08-29 CN CN202322327810.5U patent/CN220680570U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |