CN217703072U

CN217703072U - Clamping device

Info

Publication number: CN217703072U
Application number: CN202221272123.7U
Authority: CN
Inventors: 苏凌
Original assignee: Huaxia Aircraft Maintenance Engineering Co ltd
Current assignee: Huaxia Aircraft Maintenance Engineering Co ltd
Priority date: 2022-05-25
Filing date: 2022-05-25
Publication date: 2022-11-01
Anticipated expiration: 2032-05-25

Abstract

The utility model relates to the technical field of machinery, in particular to a clamping device, which comprises a handle, a connecting rope and a clamping main body which is formed by a first elastic piece and a second elastic piece in a smooth transition way and is integrally in a V shape; the upper part of the first elastic part is provided with two fixing lugs, and the handle is rotatably arranged between the two fixing lugs; one end of the connecting rope is fixed on the handle, and the other end of the connecting rope sequentially bypasses the bottom of the handle and the smooth transition position outside the clamping main body and is fixed with the second elastic piece. The utility model has the advantages that: the clamping and fixing contact area is large, the effect is good, the operation is simple, and the assembly and disassembly are convenient.

Description

Clamping device

Technical Field

The utility model relates to the technical field of machinery, concretely relates to clamping device.

Background

At present, after the installation of aircraft engine hood cloth is accomplished, only fixed through the rope, but it can not satisfy the fastening requirement under the strong wind weather, has the risk of being blown off, therefore needs extra installation insurance clamp in order to reduce the risk that drops.

The conventional commonly used safety clamp is a spring clamp, also called a Japanese-style clamp or a spring clamp, and is round by being formed by once stamping of spring steel, and two lugs for hands to press are reserved on an outer ring. When needing to press tightly, only need press the ears hard, make the inner circle grow, alright carry out the clamp, the handle is loosened again, can press from both sides tightly.

However, spring clips still suffer from the following deficiencies:

1. during the production process of the elastic clamp, galvanization passivation treatment is needed, if galvanization cannot be performed or is not performed completely, hydrogen is easy to break and then fall off, so that the clamping function of the clamp is ineffective;

2. the damage falls on the apron, belongs to dangerous foreign objects and has influence on the operation safety of the airplane;

3. when in use, the contact area is too small, and the cover cloth can not be effectively fixed on the hanging bracket.

Thus, there is a need for a clamping device to achieve effective clamping of the aircraft hood.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a clamping device, it presss from both sides tight fixed area of contact big, effectual, and easy operation, loading and unloading are convenient.

The utility model aims at realizing the clamping device by the technical proposal, which comprises a handle, a connecting rope and a clamping main body which is formed by connecting a first elastic piece and a second elastic piece in a smooth transition way and is integrally in a V shape; the upper part of the first elastic part is provided with two fixing lugs, and the handle is rotatably arranged between the two fixing lugs; one end of the connecting rope is fixed on the handle, and the other end of the connecting rope sequentially bypasses the bottom of the handle and the smooth transition position outside the clamping main body and is fixed with the second elastic piece.

Furthermore, the handle comprises a handheld part and a connecting rod, one end of the connecting rod is fixedly connected with the handheld part, and the connecting rod is movably connected between the two fixing lugs.

Furthermore, the connecting rod is connected between the two fixing lugs in a rotating mode through a pin shaft.

Furthermore, a clamping hole is formed in the connecting rod, a clamping block matched with the clamping hole is fixed on the first elastic piece, and a through hole for the connecting rope to pass through is formed in the clamping block.

Further, the clamping main body is provided with an anti-skid part on the inner side.

Further, the antiskid part is one or more of a combination of an antiskid strip, an antiskid bulge or an antiskid groove.

Furthermore, the handle or/and the clamping main body are/is also provided with a groove matched with the connecting rope.

In the clamping device of the utility model, the first elastic part and the second elastic part are both provided with a certain width and are connected in a smooth transition way to form a clamping main body which is V-shaped as a whole, so that the clamping main body has certain elasticity, and the opening of the V shape can be opened and closed; and the handle rotationally arranged on the first elastic part is connected with the outer side of the second elastic part through the connecting rope after bypassing the bottom of the handle, the handle is attached to the first elastic part and then bypasses the smooth transition part, and the size of the V-shaped opening of the clamping main body can be adjusted through the movement of the handle, so that the clamping of two parts placed in the V-shaped opening is realized, and the two parts in the V-shaped opening are fixed together.

When the clamping device is used, the handle is rotated to enable the handle to be far away from the first elastic piece, then the two parts are stacked together and placed into the V-shaped opening of the clamping main body, finally the handle is rotated to be close to the first elastic piece, the connecting rope is driven to press to enable the first elastic piece and the second elastic piece to be close to each other, and therefore clamping and fixing of the two stacked parts are achieved. When the use in the airport, to aircraft engine cover cloth back, use the utility model discloses a clamping device with the engine cover cloth centre gripping at the edge can, press from both sides tight fixed contact area big, effectual, and easy operation, loading and unloading are convenient.

Due to the adoption of the technical scheme, the utility model discloses following advantage has: the clamping and fixing contact area is large, the effect is good, the operation is simple, and the assembly and disassembly are convenient.

Drawings

Fig. 1 is a schematic structural view of the middle clamping device of the present invention.

Fig. 2 is a schematic structural view of another angle of the clamping device of the present invention.

Fig. 3 is a schematic view of a partial structure of the clamping device of the present invention.

In the figure: 1. a handle; 2. connecting ropes; 3. a first elastic member; 4. a second elastic member; 5. fixing the lug; 6. a hand-held portion; 7. a connecting rod; 9. a clamping hole; 10. a clamping block; 11. a through hole; 12. an anti-slip portion; 13. and (4) a groove.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

As shown in fig. 1 to 3, a clamping device comprises a handle 1, a connecting rope 2 and a clamping main body which is formed by smoothly connecting a first elastic element 3 and a second elastic element 4 and is in a V shape as a whole; two fixing lugs 5 are arranged at the upper part of the first elastic part 3, and the handle 1 is rotatably arranged between the two fixing lugs 5; one end of the connecting rope 2 is fixed on the handle 1, and the other end of the connecting rope sequentially bypasses the bottom of the handle 1 and the smooth transition position outside the clamping main body and is fixed with the second elastic part 3.

In the clamping device of the present invention, the first elastic member 3 and the second elastic member 4 have a certain width, specifically 10 to 30 cm, preferably 25 cm; the clamping main body is in a V shape integrally formed by smooth transition connection, so that the clamping main body has certain elasticity, and the V-shaped opening can be opened and closed; and rotate handle 1 that sets up on first elastic component 3 and pass around handle 1 bottom after laminating first elastic component 3 through connecting rope 2 and pass around rounding off department after with second elastic component 4 outside fixed connection, alright through handle 1's activity adjustment centre gripping main part V font open-ended size, realize the centre gripping of placing two parts in the V font opening, and then two parts are fixed together in the V font opening.

When the clamping device is used, the handle 1 is rotated to be away from the first elastic piece 3, then the two parts are stacked together and placed into the V-shaped opening of the clamping main body, finally the handle 1 is rotated to be close to the first elastic piece 3, the connecting rope 2 is driven to extrude to enable the first elastic piece 3 and the second elastic piece 4 to be close to each other, and therefore clamping and fixing of the two stacked parts are achieved. When the use in the airport, to aircraft engine cover cloth back, use the utility model discloses a clamping device with the engine cover cloth centre gripping at the edge can, press from both sides tight fixed contact area big, effectual, and easy operation, loading and unloading are convenient.

Further, as shown in fig. 1 and 2, the handle 1 includes a handle portion 6 and a connecting rod 7 having one end fixedly connected to the handle portion 6, and the connecting rod 7 is movably connected between the two fixing lugs 5. The holding part 6 is arranged in a ring shape and can also be in a shape matched with holding fingers, so that the holding of the hand part is facilitated. Handle 1 is including handheld portion 6 and one end and handheld portion 6 fixed connection's connecting rod 7, and the one end of connecing rope 2 is fixed in on the handle 1, specifically, fixes in the one side that first elastic component 3 was kept away from to handle 1, and the best is the centre gripping effect of fixed in order to realize the best centre gripping body in the handheld portion 6 department of being close to handle 1, and fixed mode is for being close to the fixed connection nose in the handheld portion 6 department of handle 1, and the one end of connecting rope 2 is fixed on connecting the nose.

Further, as shown in fig. 1 and 2, the connecting rod 7 is pivotally connected between the two fixing lugs 5 by a pin. Specifically, a pin shaft can be fixed between the two fixing lugs 5, and the bottom of the connecting rod 7 is provided with a shaft hole matched with the pin shaft so that the shaft hole can rotate around the pin shaft; a shaft hole is arranged between the two fixing lugs 5, a pin shaft is rotatably arranged in the shaft hole in a penetrating way, and a connecting rod 7 is fixed with the pin shaft together; the two sides of the connecting rod 7 are provided with pin shafts, and the pin shafts are rotatably arranged in the shaft holes or blind holes on the two fixing lugs; the three modes can realize that the connecting rod 7 is rotatably connected between the two fixing lugs 5 through the pin shaft.

Further, as shown in fig. 1 and 2, the connecting rod 7 is further provided with a fastening hole 9, the first elastic member 3 is fixed with a fastening block 10 matched with the fastening hole 9, and the fastening block 10 is provided with a through hole 11 for the connecting rope 2 to pass through. When the handle is attached to the first elastic part 3, the best effect of clamping can be achieved, and at the moment, the clamping hole 9 in the connecting rod 7 can be in interference fit with the pressing clamping block 10, so that a better fixing effect between the handle 1 and the first elastic part 3 is achieved. Specifically, as shown in fig. 3, the locking block 10 may also be provided with a wedge-shaped top, and a wedge piece matched with the top of the locking block 10 is fixed on the handheld portion 6, and when in use, the locking block slides in and is fixed by pressing downwards; the separation of the fixing hole 9 of the connecting rod 7 is accomplished by pulling the handle 1 as a whole backward so that the wedge is disengaged from the wedge-shaped arrangement at the top of the fixing block 10 and lifted backward.

Further, as shown in fig. 1 and 2, a non-slip portion 12 is provided inside the grip body. Specifically, the inner side walls of the first elastic part 3 and/or the second elastic part 4 are provided with the anti-slip parts 12, so that the friction force between the clamping main body and the clamped part can be better increased, and the risk of falling off or being blown off by external force such as wind is further reduced.

Further, the anti-slip part 12 is one or more of a combination of anti-slip strips, anti-slip protrusions or anti-slip grooves. As shown, the anti-slip part 12 is a non-slip strip, and can also be a combination of the non-slip strip and a non-slip bulge or a non-slip groove. The anti-slip strips and the anti-slip bulges can be designed to be rubber strips or other anti-slip designs, can also be bulges arranged inwards in the clamping main body, and can also be designed to be anti-slip stripes such as insections designed on the inner side of the clamping main body.

Further, as shown in fig. 1 to 3, the handle 1 or/and the clamping body is further provided with a groove 13 matching with the connecting rope 2. The groove 13 is designed to better ensure that the connecting rope 2 moves along a preset path when being pulled; preferably, the depth of the groove 13 is greater than or equal to the diameter of the connecting rope 2, so as to avoid the connecting rope 2 from sliding with other external parts in sliding; preferably, still the interval is fixed at the slot 13 both sides and is provided with the locating part, and the locating part is nail, rotatory mounting or other parts, and it is fixed or the activity sets up in order to carry on spacingly to connect rope 2 on slot 13 to avoid connecting rope 2 and can not break away from slot 13 its part when not receiving the pulling force, guarantee to slide in slot 13 along predetermineeing the route when the atress.

Claims

1. A clamping device is characterized by comprising a handle (1), a connecting rope (2) and a clamping main body which is formed by smoothly and transitionally connecting a first elastic piece (3) and a second elastic piece (4) and is integrally V-shaped; two fixing lugs (5) are arranged at the upper part of the first elastic piece (3), and the handle (1) is rotatably arranged between the two fixing lugs (5); one end of the connecting rope (2) is fixed on the handle (1), and the other end of the connecting rope sequentially bypasses the bottom of the handle (1) and the smooth transition position outside the clamping main body and is fixed with the second elastic piece (4).

2. A holding device according to claim 1, characterized in that the handle (1) comprises a grip part (6) and a connecting rod (7) with one end fixedly connected to the grip part (6), the connecting rod (7) being movably connected between the two fixing lugs (5).

3. Clamping device according to claim 2, characterized in that the connecting rod (7) is pivotally connected between the two fixing lugs (5) by means of a pin.

4. The clamping device as claimed in claim 2 or 3, wherein the connecting rod (7) is further provided with a clamping hole (9), the first elastic member (3) is fixed with a clamping block (10) matched with the clamping hole (9), and the clamping block (10) is provided with a through hole (11) for the connecting rope (2) to pass through.

5. Clamping device according to claim 1, 2 or 3, characterized in that the clamping body is provided with a non-slip part (12) inside.

6. Clamping device according to claim 4, characterized in that the clamping body is provided with a non-slip part (12) inside.

7. A holding arrangement as claimed in claim 5, characterised in that the non-slip portion (12) is a combination of one or more of a cleat, a stud or a cleat groove.

8. Clamping device according to claim 6, characterized in that the non-slip part (12) is a combination of one or more of a non-slip strip, a non-slip bead or a non-slip groove.

9. A holding device as claimed in claim 1, 2, 3, 4, 6 or 7, characterized in that the handle (1) or/and the holding body is/are provided with grooves (13) for cooperation with the connecting cord (2).