CN214213481U - Clamping device - Google Patents
Clamping device Download PDFInfo
- Publication number
- CN214213481U CN214213481U CN202023334674.5U CN202023334674U CN214213481U CN 214213481 U CN214213481 U CN 214213481U CN 202023334674 U CN202023334674 U CN 202023334674U CN 214213481 U CN214213481 U CN 214213481U
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- China
- Prior art keywords
- screw rod
- loose joint
- joint screw
- rocker arm
- sides
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Abstract
The utility model relates to the technical field of building construction, in particular to a clamping device, which comprises a loose joint screw rod, a nut, a slide block, a shaft pin and two rocker arm clamps; the two rocker arm clamps are oppositely arranged, the middle parts of the opposite surfaces of the two rocker arm clamps are hinged through a shaft pin, one ends of the two rocker arm clamps jointly form a clamping part, the loose joint screw rod is arranged between the other ends of the two rocker arm clamps, and one end part of the loose joint screw rod is fixedly connected with the shaft pin; the middle part of slider is equipped with the trepanning with loose joint screw rod looks adaptation, the slider is located trepanning both sides and is equipped with respectively and is used for pressing from both sides the portion of supporting that contacts with the rocking arm other end inside wall, nut and loose joint screw rod threaded connection just the nut is closer to another tip of loose joint screw rod than the slider. The utility model discloses a two rocking arm presss from both sides coaxial rotation, have guaranteed that two rocking arm press from both sides the equilibrium and the stability of connecting, simultaneously, can guarantee that two rocking arm of clamping part press from both sides the clamp force of applying balanced.
Description
Technical Field
The utility model relates to a construction technical field especially relates to a binding clasp.
Background
For a certain thickness of articles, when one or more articles need to be clamped, four methods are commonly adopted at present: 1. the triangular plug-in is adopted for fastening, but after the triangular plug-in is fastened, the triangular plug-in is loosened when the triangular plug-in is vibrated greatly in the construction and use process. 2. The U-shaped clamp is adopted for clamping, but the U-shaped clamp is operated on a stress surface, and the space is limited. 3. The pressing plate is adopted for pressing, the pressing plate is firstly operated on a stress surface, and the space is limited; secondly, the efficiency of the matching of multiple parts is low. 4. The clamping by the locking pliers and the like is firstly operated on a stress surface (the same as above), and the space is limited. Secondly, although the name "locking pliers", clamping force is often not satisfactory during use. However, in any of the above methods, the force applying position is located on one side of the force applying direction of the clamped object, which interferes the clamping operation and causes great inconvenience.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: a gripper facilitating gripping is provided.
In order to solve the technical problem, the utility model discloses a technical scheme be: the clamping device comprises a loose joint screw rod, a nut, a sliding block, a shaft pin and two rocker arm clamps; the two rocker arm clamps are oppositely arranged, the middle parts of the opposite surfaces of the two rocker arm clamps are hinged through a shaft pin, one ends of the two rocker arm clamps jointly form a clamping part, the loose joint screw rod is arranged between the other ends of the two rocker arm clamps, and one end part of the loose joint screw rod is fixedly connected with the shaft pin; the middle part of slider is equipped with the trepanning with loose joint screw rod looks adaptation, the slider is located trepanning both sides and is equipped with respectively and is used for pressing from both sides the portion of supporting that contacts with the rocking arm other end inside wall, nut and loose joint screw rod threaded connection just the nut is closer to another tip of loose joint screw rod than the slider.
Furthermore, the inner side wall of the other end of the rocker arm clamp is provided with an inclined part.
Further, the abutting portion is an inclined surface disposed opposite to the inclined portion.
Furthermore, the slider corresponds the position of supporting the portion and is equipped with two baffles, two the baffle is located the both sides of supporting the portion respectively and two interval between the baffle with the thickness looks adaptation of the rocking arm clamp other end.
Furthermore, tooth parts are arranged on the opposite surfaces of one ends of the two rocker arm clamps.
Furthermore, all be equipped with the recess on the opposite face of two rocking arm clamp one end, two recesses set up and form a spacing groove jointly relatively.
The beneficial effects of the utility model reside in that:
the utility model provides a pair of binding clasp, through locating the loose joint screw rod with the slider cover, can drive the slider during swivel nut along loose joint screw rod axial displacement, lie in the thrust to two rocking arm clamp other ends of the butt portion transmission nut of slider trepanning both sides, because the middle part that two rocking arm clamps are passed through the pivot articulated, two rocking arm clamp other ends open or tighten up along the relative loose joint screw rod position of pin joint simultaneously under the thrust effect of slider to turn into opening or pressing from both sides tightly of the clamping part that lies in two rocking arm clamp one end. The utility model discloses a two rocking arm presss from both sides coaxial rotation, have guaranteed the equilibrium and the stability that two rocking arm presss from both sides the connection, the centre gripping of being convenient for. Meanwhile, the clamping force exerted by the two rocker arm clamps of the clamping part can be ensured to be balanced.
Drawings
Fig. 1 is a schematic structural view of a clamping device according to the present invention;
fig. 2 is a front view of a clamp according to the present invention;
fig. 3 is a partial schematic view of a clamp according to the present invention;
fig. 4 is a schematic structural view of a loose joint screw of the clamp of the present invention;
description of reference numerals:
1. a loose joint screw rod; 11. a second circular hole; 12. an external thread;
2. a nut;
3. a slider; 31. trepanning; 32. an abutting portion; 33. a baffle plate;
4. a shaft pin;
5. a rocker arm clamp; 51. a first circular hole; 52. a clamping portion; 53. an inclined portion; 54. a tooth portion; 55. a groove;
6. and a cotter pin.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 and 4, the clamping device provided by the present invention includes a loose joint screw, a nut, a slider, a shaft pin, and two rocker arm clamps; the two rocker arm clamps are oppositely arranged, the middle parts of the opposite surfaces of the two rocker arm clamps are hinged through a shaft pin, one ends of the two rocker arm clamps jointly form a clamping part, the loose joint screw rod is arranged between the other ends of the two rocker arm clamps, and one end part of the loose joint screw rod is fixedly connected with the shaft pin; the middle part of slider is equipped with the trepanning with loose joint screw rod looks adaptation, the slider is located trepanning both sides and is equipped with respectively and is used for pressing from both sides the portion of supporting that contacts with the rocking arm other end inside wall, nut and loose joint screw rod threaded connection just the nut is closer to another tip of loose joint screw rod than the slider.
From the above description, the beneficial effects of the present invention are: the utility model provides a clamping device, through locating the loose joint screw rod with the slider cover, can drive the slider along loose joint screw rod axial displacement during swivel nut, lie in the thrust of the portion transmission nut that supports of slider trepanning both sides to two rocking arm clamp other ends, because the middle part that two rocking arm pressed from both sides is articulated through the pivot, two rocking arm clamp other ends open or tighten up along the relative loose joint screw rod position of pin joint simultaneously under the thrust effect of slider to turn into opening or pressing from both sides tightly of the clamping part that lies in two rocking arm clamps one end. The utility model discloses a two rocking arm presss from both sides coaxial rotation, have guaranteed that two rocking arm press from both sides the equilibrium and the stability of connecting, simultaneously, can guarantee that two rocking arm of clamping part press from both sides the clamp force of applying balanced.
Furthermore, the inner side wall of the other end of the rocker arm clamp is provided with an inclined part.
It can be known from the above description that the rocking arm presss from both sides the other end inside wall and is equipped with the rake, and the rake has guaranteed with the contact of the portion of leaning on the slider that the atress direction of the portion of leaning on is inclined in rocking arm clamp one end, has guaranteed that the middle part of rocking arm clamp can be around pivot articulated activity.
Further, the abutting portion is an inclined surface disposed opposite to the inclined portion.
As can be seen from the above description, the abutting portion is an inclined surface disposed opposite to the abutting portion, so that the abutting portion and the inclined portion can be attached to each other, and a large contact area between the abutting portion and the abutting portion is ensured.
Furthermore, the slider corresponds the position of supporting the portion and is equipped with two baffles, two the baffle is located the both sides of supporting the portion respectively and two interval between the baffle with the thickness looks adaptation of the rocking arm clamp other end.
From the above description, the slider is provided with two baffles at the position corresponding to the abutting portion, and the two baffles are respectively located at the two sides of the abutting portion, and the distance between the two baffles is matched with the thickness of the other end of the rocker arm clamp. The baffle plate can prevent the two rocker arm clamps from shifting along the hinge point, so that the balance of the clamping part is ensured.
Furthermore, tooth parts are arranged on the opposite surfaces of one ends of the two rocker arm clamps.
As can be seen from the above description, the tooth parts are arranged on the opposite surfaces of one ends of the two rocker arm clamps, so that when the clamping part clamps the clamped object, the friction force between the tooth parts and the clamped object can be increased, and the clamped object is prevented from falling off from the clamping part.
Furthermore, all be equipped with the recess on the opposite face of two rocking arm clamp one end, two recesses set up and form a spacing groove jointly relatively.
From the above description, it can be known that the limiting grooves on one end of the two rocker arm clamps can limit the end of the clamped object close to the rocker arm clamps, and the clamped object can be stably fixed on the clamping part.
Referring to fig. 1 to 4, a first embodiment of the present invention is: the clamping device comprises a loose joint screw rod 1, a nut 2, a sliding block 3, a shaft pin 4 and two rocker arm clamps 5.
The middle parts of the two rocker arm clamps are provided with first round holes 51 matched with the shaft pins, the two rocker arm clamps are oppositely arranged, the middle parts of opposite surfaces of the two rocker arm clamps are hinged through the shaft pins, and one ends of the two rocker arm clamps are arranged face to form a clamping part 52 together. The rocker arm clamp is provided with an inclined part 53 on the inner side wall at the other end.
The loose joint screw rod is of a cylindrical structure, one end of the loose joint screw rod is provided with a second round hole 11 matched with the shaft pin, the loose joint screw rod is arranged between the other ends of the two rocker arm clamps, the second round hole corresponding to one end of the loose joint screw rod is coaxially arranged with the first round holes corresponding to the two rocker arm clamps, and the second round hole is in interference fit with the shaft pin so that one end of the loose joint screw rod is fixedly connected with the shaft pin. Specifically, the shaft pin penetrates through the first round hole and the second round hole simultaneously so that one end part of the loose joint screw rod is connected with the two rocker arm clamps through the shaft pin. And the other end of the loose joint screw rod is provided with an external thread 12 matched with the nut.
The middle part of slider is equipped with the trepanning 31 with loose joint screw rod looks adaptation, the slider is located the trepanning both sides and is equipped with respectively and is used for pressing from both sides the portion 32 of supporting that leans on of the rake contact that the other end inside wall corresponds with the rocking arm, the slider is located two baffles that trepanning both sides still were equipped with respectively, two the baffle is located the both sides that support the portion respectively with support to be connected just two spacing between the baffle 33 with the thickness looks adaptation of the rocking arm clamp other end. The baffle plate can prevent the two rocker arm clamps from shifting along the hinge point, so that the balance of the clamping part is ensured.
The slider is established through the trepanning cover and can follow on the loose joint screw rod removes, nut and loose joint screw rod threaded connection just the nut is closer to another tip of loose joint screw rod than the slider. The utility model discloses a swivel nut so that the axial motion of nut along the loose joint screw rod promotes the axial motion of slider along the loose joint screw rod. When the nut moves to a tip direction along another tip of loose joint screw rod, the nut passes through the slider and promotes two rocking arm clamp other ends and move around the direction that the pin joint was kept away from each other respectively to drive two rocking arm clamp one end and move around the direction that the pin joint was close to each other respectively, realize the clamp of clamping part. On the contrary, when the nut moves to another tip direction along a loose joint screw rod tip, promote two rocking arm clamp other ends through the slider and move around the direction that the pin joint is close to each other respectively to drive two rocking arm clamp one end and move towards the direction of keeping away from each other respectively around the pin joint, realize opening of clamping part. Through two rocking arm presss from both sides coaxial rotation, guaranteed the equilibrium and the stability that two rocking arm pressed from both sides the connection, simultaneously, can guarantee that the clamp force that two rocking arm clamps of clamping part exerted is balanced.
In this embodiment, a cotter pin 6 is further provided, and the cotter pin is inserted at the connection position of the pin shaft and the first round hole and the second round hole, so that the function of preventing the falling off is achieved.
In this embodiment, the abutting portion is an inclined surface opposite to the inclined portion, so that the abutting portion and the inclined portion can be attached to each other, and a large contact area between the abutting portion and the abutting portion is ensured.
In this embodiment, the opposite surfaces of one ends of the two rocker arm clamps are provided with the tooth portions 54, so that when the clamping portion clamps the clamped object, the friction force between the tooth portions and the clamped object can be increased, and the clamped object is prevented from falling off from the clamping portion.
In this embodiment, two opposite surfaces of one end of the rocker arm clamp are respectively provided with a groove 55, and the two grooves are oppositely arranged and jointly form a limit groove. The limiting groove can play limiting role to the one end that is close to the rocker arm clamp by the centre gripping thing, guarantees to be fixed that the centre gripping thing can be stable on the clamping part.
To sum up, the utility model provides a pair of binding clasp through locating the loose joint screw rod with the slider cover, can drive the slider during swivel nut along loose joint screw rod axial displacement, lies in the thrust to two rocking arm clamp other ends of the portion transmission nut that supports of slider trepanning both sides, because the middle part that two rocking arm clamps are articulated through the pivot, two rocking arm clamp other ends open or tighten up along the relative loose joint screw rod position of pin joint simultaneously under the thrust effect of slider to turn into opening or pressing from both sides tightly of the clamping part that lies in two rocking arm clamps one end. The utility model discloses a two rocking arm presss from both sides coaxial rotation, have guaranteed that two rocking arm press from both sides the equilibrium and the stability of connecting, simultaneously, can guarantee that two rocking arm of clamping part press from both sides the clamp force of applying balanced.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (6)
1. A clamper is characterized by comprising a loose joint screw rod, a nut, a slide block, a shaft pin and two rocker arm clamps; the two rocker arm clamps are oppositely arranged, the middle parts of the opposite surfaces of the two rocker arm clamps are hinged through a shaft pin, one ends of the two rocker arm clamps jointly form a clamping part, the loose joint screw rod is arranged between the other ends of the two rocker arm clamps, and one end part of the loose joint screw rod is fixedly connected with the shaft pin; the middle part of slider is equipped with the trepanning with loose joint screw rod looks adaptation, the slider is located trepanning both sides and is equipped with respectively and is used for pressing from both sides the portion of supporting that contacts with the rocking arm other end inside wall, nut and loose joint screw rod threaded connection just the nut is closer to another tip of loose joint screw rod than the slider.
2. The clamp of claim 1, wherein the rocker clamp has an angled portion on an inner side wall at the other end.
3. The clamp of claim 2, wherein the abutment portion is an inclined surface disposed opposite the inclined portion.
4. The clamp of claim 1, wherein the slider is provided with two baffles at positions corresponding to the abutting portions, the two baffles are respectively located at two sides of the abutting portions, and the distance between the two baffles is matched with the thickness of the other end of the rocker clamp.
5. The clamp of claim 1, wherein the opposing faces of one end of each of the two rocker clamps are provided with teeth.
6. The clamp of claim 1, wherein the rocker clamps have recesses on opposing sides of one end, the recesses being disposed opposite one another and together defining a stop groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023334674.5U CN214213481U (en) | 2020-12-31 | 2020-12-31 | Clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023334674.5U CN214213481U (en) | 2020-12-31 | 2020-12-31 | Clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214213481U true CN214213481U (en) | 2021-09-17 |
Family
ID=77708676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023334674.5U Active CN214213481U (en) | 2020-12-31 | 2020-12-31 | Clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214213481U (en) |
-
2020
- 2020-12-31 CN CN202023334674.5U patent/CN214213481U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |