CN114060358A

CN114060358A - Clamping device

Info

Publication number: CN114060358A
Application number: CN202111416988.6A
Authority: CN
Inventors: 张孝平; 周三元; 李青松
Original assignee: Changzhou Dacheng Vacuum Technology Co ltd; Shenzhen Dacheng Precision Equipment Co ltd; Dongguan Dacheng Intelligent Equipment Co ltd
Current assignee: Changzhou Dacheng Vacuum Technology Co ltd; Shenzhen Dacheng Precision Equipment Co ltd; Dongguan Dacheng Intelligent Equipment Co ltd
Priority date: 2021-11-25
Filing date: 2021-11-25
Publication date: 2022-02-18

Abstract

The application provides a clamping device which is used for clamping an object to be clamped. The clamping device comprises a base, two or more clamping blocks and an elastic piece; the clamping blocks are all arranged on the base, at least one clamping block is a movable clamping block, and the movable clamping block is pivoted on the base; the clamping block comprises a bearing part and a clamping part; the clamping part of the movable clamping block and the clamping parts of other clamping blocks form a clamping opening which can be used for clamping a clamped object; the elastic piece is installed between movable joint piece and base. When the clamping object is not clamped, the movable clamping block is in an open state under the elastic force of the elastic piece; when the clamped object enters the bayonet, the pressure bearing part of the movable clamping block drives the clamping part to rotate under the pressure action of the clamped object, and then the bayonet is reduced until the seamless clamping of the clamped object is realized. The clamping device can ensure the convenience of clamping operation and can avoid the motion impact with a clamped object.

Description

Clamping device

Technical Field

The application relates to the technical field of clamping, in particular to a clamping device.

Background

Clamping is used as a connection mode, has the characteristics of flexibility and convenience, but has the defects that if the gap between the clamping opening and a clamped object is small, the clamping opening and the clamped object are difficult to align and are not easy to operate; if the gap between the bayonet and the clamping object is large, when power is transmitted between the bayonet and the clamping object, motion impact is easy to generate.

The above information disclosed in this background section is only for enhancement of understanding of the background of the application and therefore it may contain information that does not constitute prior art that is already known to a person of ordinary skill in the art.

Disclosure of Invention

An object of the present application is to provide a clamping device, which can ensure the convenience of clamping operation and avoid the motion impact with the clamped object.

In order to solve the technical problem, the following technical scheme is adopted in the application:

according to one aspect of the present application, there is provided a clip connection comprising:

a base;

the clamping blocks are arranged on the base, at least one clamping block is a movable clamping block, and the movable clamping block is pivoted on the base; the clamping block comprises a pressure bearing part and a clamping part, and an included angle is formed between the pressure bearing part and the clamping part; the clamping parts of the movable clamping blocks and the clamping parts of other clamping blocks form a clamping opening capable of clamping a clamped object together;

the elastic piece is arranged between the movable clamping block and the base;

when the clamping object is not clamped, the free end of the clamping part of the movable clamping block is far away from other clamping blocks under the elastic action of the elastic piece, and the clamping opening is in an open state; when the clamping object enters the bayonet, the pressure bearing part of the movable clamping block overcomes the elasticity of the elastic piece to rotate under the pressure action of the clamping object, and meanwhile, the clamping part is driven to rotate, so that the bayonet is reduced until the seamless clamping of the clamping object is realized.

According to an embodiment of the application, the elastic piece is installed the bearing portion of activity joint piece with between the base.

According to an embodiment of the present application, the top of the base has a receiving groove, and the first end of the elastic member is mounted in the receiving groove.

According to an embodiment of the application, the bottom of the pressure-bearing part of the movable clamping block is provided with a guide groove, and the second end part of the elastic piece is arranged in the guide groove.

According to an embodiment of the application, the movable clamping block is rotatably connected with the base through a rotating shaft;

the rotating shaft is arranged on an intersection line of the bearing part and the clamping part.

According to an embodiment of the application, the pressure-bearing portion and the clamping portion are perpendicular to each other.

According to an embodiment of the application, joint portion court be equipped with first spacing arch on the direction of bayonet socket, first spacing arch is located joint portion keeps away from the one end of bearing portion, with the joint thing with the bayonet socket card is held the back, and is spacing the joint thing is deviate from.

According to an embodiment of the application, the joint piece has two, and two the joint piece sets up relatively.

According to an embodiment of the present application, the clamping blocks are all the movable clamping blocks; and each movable clamping block and the base are provided with the elastic piece.

According to an embodiment of the application, the base includes the main part and protruding locating the two pairs of mounting panels at main part top, every the joint piece is installed in a pair of between the mounting panel to through the pivot with the mounting panel rotates and is connected.

Before the clamped object is not clamped, the clamping opening is always in the open state under the condition of not consuming any energy through the elastic action of the elastic piece, so that the clamped object is more easily aligned and enters the clamping opening; in the process that the clamped object enters the bayonet, the scheme of the application overcomes the elasticity of the elastic piece by the pressure of the clamped object entering the bayonet, so that the bayonet is reduced, the partial pressure of the clamped object entering the bayonet is converted into the clamping force of the clamped object, the seamless clamping of the clamped object is realized, the gap between the bayonet and the clamped object is avoided, and the motion impact between the bayonet and the clamped object is avoided. To sum up, the clamping device of this application both can guarantee the convenience of joint operation, can avoid producing the motion impact between bayonet socket and the joint thing simultaneously again.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

The above and other objects, features and advantages of the present application will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings.

Fig. 1 is a schematic structural view illustrating a structure in which a bayonet of a chucking device is in an open state according to an example embodiment.

Fig. 2 is a partial sectional view of fig. 1.

Fig. 3 is a schematic structural diagram illustrating a bayonet of a chucking device in a reset state according to an example embodiment.

Fig. 4 is a partial cross-sectional view of fig. 3.

The reference numerals are explained below: 1. a base; 12. mounting a plate; 13. a containing groove;

2. a movable clamping block; 21. a pressure-bearing portion; 211. a guide groove; 22. a clamping part; 23. a bayonet; 221. a first limit protrusion;

3. an elastic member; 4. a rotating shaft.

Detailed Description

While this application is susceptible of embodiment in different forms, there is shown in the drawings and will herein be described in detail only some specific embodiments thereof with the understanding that the present disclosure is to be considered as an exemplification of the principles of the application and is not intended to limit the application to that as illustrated herein.

Thus, a feature indicated in this specification is intended to describe one of the features of an embodiment of the application and does not imply that every embodiment of the application must have the described feature. Further, it should be noted that this specification describes many features. Although some features may be combined to show a possible system design, these features may also be used in other combinations not explicitly described. Thus, the combinations illustrated are not intended to be limiting unless otherwise specified.

In the embodiments shown in the drawings, directional references (such as up, down, left, right, front, and rear) are used to explain the structure and movement of the various elements of the present application not absolutely, but relatively. These descriptions are appropriate when the elements are in the positions shown in the drawings. If the description of the positions of these elements changes, the indication of these directions changes accordingly.

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these example embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The drawings are merely schematic illustrations of the present application and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted.

The preferred embodiments of the present application will be further described in detail below with reference to the accompanying drawings of the present specification.

Referring to fig. 1 to 4, fig. 1 is a schematic structural diagram illustrating a bayonet of a clamping device in an open state according to an example embodiment. Fig. 2 is a partial sectional view of fig. 1. Fig. 3 is a schematic structural diagram illustrating a bayonet of a chucking device in a reset state according to an example embodiment. Fig. 4 is a partial cross-sectional view of fig. 3.

The embodiment provides a clamping device which is used for clamping a clamping object. The clamping device comprises a base 1, two or more clamping blocks and an elastic piece 3; two or more clamping blocks are arranged on the base 1, wherein at least one clamping block is a movable clamping block 2, and the movable clamping block 2 is pivoted on the base 1; the clamping block comprises a bearing part 21 and a clamping part 22, and an included angle is formed between the bearing part 21 and the clamping part 22; the clamping part 22 of the movable clamping block 2 and the clamping parts 22 of other clamping blocks form a clamping opening 23 which can clamp clamped objects together; the elastic piece 3 is arranged between the movable clamping block 2 and the base 1. When the clamping object is not clamped, the free end of the clamping part 22 of the movable clamping block 2 is far away from other clamping blocks under the elastic force action of the elastic piece 3, and the clamping opening 23 is in an open state; when the clamped object enters the bayonet 23, the pressure-bearing part of the movable clamping block 2 overcomes the elasticity of the elastic part 3 to rotate under the pressure action of the clamped object, and simultaneously drives the clamping part 22 to rotate, so that the bayonet 23 is reduced until the seamless clamping of the clamped object is realized.

This embodiment forms the bayonet 23 that supplies the joint thing card to hold through two or more joint pieces jointly to including base 1 pivoted activity joint piece 2 relatively in the joint piece, activity joint has elastic component 3 between 2 and the base 1 soon. Therefore, before the clamped object is not clamped, the scheme of the embodiment enables the clamping opening 23 to be always in the open state under the condition of not consuming any energy through the elastic force of the elastic piece 3, so that the clamped object can be more easily aligned and enter the clamping opening 23; in the process that the clamped object enters the bayonet 23, the scheme of the embodiment overcomes the elasticity of the elastic piece 3 by the pressure of the clamped object entering the bayonet 23, so that the bayonet 23 is reduced, and the partial pressure of the clamped object entering the bayonet 23 is converted into the clamping force of the clamped object, so that the seamless clamping of the clamped object is realized, a gap between the bayonet 23 and the clamped object is avoided, and the motion impact between the bayonet 23 and the clamped object is avoided. In conclusion, the clamping device of the present embodiment can ensure the convenience of clamping operation and avoid the motion impact between the bayonet 23 and the clamped object.

In some embodiments, for example, as shown in fig. 1, there are two clamping blocks, and the two clamping blocks are disposed oppositely, and the clamping portion 22 of the two clamping blocks forms the above-mentioned bayonet 23 therebetween. In other embodiments, when there are three clamping blocks, the three clamping blocks are arranged in a regular triangle, and the three clamping portions 22 form the above-mentioned bayonet 23 therebetween. When the number of the clamping blocks is four, the four clamping blocks are arranged in a square shape, and the clamping openings 23 are formed among the clamping parts 22 of the four claws. It should be understood that the size of the bayonet 23 can be adjusted as long as one of the clamping blocks is the movable clamping block 2.

In an embodiment, all the clamping blocks are movable clamping blocks 2, so that the size of the bayonet 23 can be adjusted, and the convenience of the clamped object entering is improved.

In an embodiment, please refer to fig. 4, the base 1 provides a support for the clamping blocks, the base 1 includes a main body and two pairs of mounting plates 12 protruding from the top of the main body, each clamping block is mounted between a pair of mounting plates 12 and rotatably connected to the mounting plates 12 through the rotating shaft 4. In this embodiment, the clamping device has two clamping blocks.

Illustratively, base 1 is the cuboid, and four mounting panels 12 extend upwards respectively from four corners of base 1, and to the position in fig. 1 as an example, two mounting panels 12 that are located the left side are used for installing a joint piece, and two mounting panels 12 that are located the right side are used for installing another joint piece.

According to the foregoing embodiment, there are two types of clamping blocks, one type of clamping block is a clamping block fixedly connected to the mounting plate 12, and the clamping block cannot rotate relative to the mounting plate 12. Another kind of joint piece is activity joint piece 2, and activity joint piece 2 can rotate for mounting panel 12. In an embodiment of a rotating connection mode of the movable clamping block 2 and the mounting plate 12, the mounting plate 12 is rotatably connected with the clamping block through the rotating shaft 4, so that free rotation of the clamping block is realized, and shaft connection is used as a form of rotating connection, so that the rotating connection has high reliability and running stability.

Illustratively, the corresponding position has seted up the pivot hole on two mounting panels 12, has seted up the through-hole on the joint piece correspondingly, and pivot 4 wears to locate in the pivot hole on mounting panel 12 and the through-hole on the joint piece. A bearing may also be provided between the shaft 4 and the shaft hole in the mounting plate 12 to reduce wear therebetween and to improve the flexibility of the movable clamping block 2 to rotate relative to the base 1.

In one embodiment, the bearing part 21 is substantially thick plate-shaped, the rotating shaft 4 is mounted on the bearing part 21, and the mounting position of the rotating shaft on the bearing part 21 can be adjusted, so that the rotating range and the torque required for rotation of the movable engaging block 2 can be adjusted, and the adaptability to the overall layout is improved.

In another embodiment, the engaging portion 22 is substantially thick, the rotating shaft 4 is mounted on the engaging portion 22, and the mounting position of the engaging portion 22 can be adjusted to adjust the rotating range and the torque required for rotation of the movable engaging block 2, thereby improving the adaptability to the overall layout.

In another embodiment, the rotating shaft 4 can be disposed on an intersection line of the pressing portion 21 and the engaging portion 22. The space occupation in the rotating process of the movable clamping block 2 can be reduced by the arrangement.

Referring to fig. 2 and 4, as mentioned above, the elastic member 3 is installed between the bearing portion 21 of the movable clamping block 2 and the base 1, and the elastic member 3 pushes the movable clamping block 2 to rotate, so as to expand the size of the bayonet 23; after the clamping object enters the bayonet 23, the clamping object is pressed on the bearing part 21 and overcomes the pressure of the elastic part 3, so that the movable clamping block 2 rotates.

Here, the elastic member 3 may be a spring, which is widely used and is easy to replace and maintain compared to other elastic members. In this case, an elastic element can be provided between each movable catch block 2 and the base 1.

Illustratively, at initial state, the spring pushes up movable joint piece 2 under the effect of its self elastic force to make movable joint piece 2 use pivot 4 to take place to rotate as the centre of a circle, thereby make bayonet 23 be open state gradually. When the clamped object is placed into the bayonet 23 and the bearing part 21 is pressed downwards, the pressure is transmitted to the spring, so that the spring is gradually compressed, the length of the spring is shortened, the movable clamping block 2 rotates, the rotating movable clamping block 2 enables the bayonet 23 to be gradually reduced until the clamped object is contacted and clamped seamlessly, and a stable clamping structure is formed.

Through setting up elastic component 3, can make bayonet 23 be in the natural open mode often, be convenient for with joint thing joint. In the clamping process, all the movable clamping blocks 2 synchronously rotate under the pressure action of the clamped object and almost simultaneously contact with the clamped object, so that the clamping force of the clamped object in all directions is balanced, and the clamping stability is improved.

In one embodiment, a receiving groove 13 is formed in the top of the base 1, a first end of the elastic element 3 is installed in the receiving groove 13, and the other end protrudes out of the receiving groove 13 and can contact with the pressing portion 21 of the movable clamping block 2. The elastic element 3 can be fixed in the containing groove 13 or on the movable clamping block 2.

Like this, through setting up storage tank 13, can be at the in-process of 3 ejection activity joint pieces 2 of elastic component, play limiting displacement to elastic component 3 to reduce the side direction crookedness of spring, and can be through the degree of depth of adjusting storage tank 13, with the length of the elastic component 3 of the protruding notch part that stretches out storage tank 13 of adjustment, thereby adjust the ejection force of elastic component 3 to activity joint piece 2.

Further, in an embodiment, a guide groove 211 may be formed at the bottom of the pressure receiving portion 21 of the movable clamping block 2, and the second end of the elastic member 3 is installed in the guide groove 211. The setting of guide way 211 can be at the in-process of the flexible joint piece 2 of 3 ejections of elastic component, plays the effect that reduces the side direction crookedness of spring. In the aforementioned embodiment, the top of the base has the receiving groove, so that by setting the positions of the receiving groove 13 and the guiding groove 211, after the clamping object is clamped into the bayonet 23, the guiding groove 211 is communicated with the receiving groove 13, so that the elastic member 3 is completely received in the guiding groove 211 and the receiving groove 13, and the base 1 can be attached to the bottom of the clamping block, thereby improving the structural stability of the whole clamping device after clamping the clamping object.

In one embodiment, the pressure-bearing portion 21 and the engaging portion 22 are both substantially thick plates, and the engaging portion 22 protrudes from the top surface of the pressure-bearing portion 21 at an included angle. Here, the pressure receiving portion 21 and the engaging portion 22 may be detachably connected or may be integrally formed. The included angle may be an obtuse angle, an acute angle, or a right angle. The right angle setting between bearing portion 21 and the joint portion 22 avoids 2 chucking in-process corners of activity joint piece that obtuse angle contained angle may bring great, is difficult to the problem of chucking, avoids the problem that 23 openings of bayonet socket that acute angle contained angle may bring are not enough simultaneously.

Further, as mentioned above, the clamping portions 22 of all the clamping blocks form the clamping opening 23 together, and regarding the specific structure of the clamping portion 22, in an embodiment, from the bottom to the top, the clamping portion 22 sequentially includes a clamping section and a first limiting protrusion 221, and the clamping section is concave for the clamping object to be adaptively clamped; the first limit position is located at one end of the clamping portion 22 departing from the bearing portion 21, so that after the clamping object is clamped with the bayonet 23, the limit clamping object is separated. This embodiment has improved the stability of holding.

While the present application has been described with reference to several exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration, rather than of limitation. As the present application may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.

Claims

1. A latch device, comprising:

a base;

the clamping device comprises a base, two or more clamping blocks and a clamping device, wherein the two or more clamping blocks are arranged on the base, at least one clamping block is a movable clamping block, and the movable clamping block is pivoted on the base; the clamping block comprises a pressure bearing part and a clamping part, and an included angle is formed between the pressure bearing part and the clamping part; the clamping parts of the movable clamping blocks and the clamping parts of other clamping blocks form a clamping opening capable of clamping a clamped object together;

the elastic piece is arranged between the movable clamping block and the base;

2. The card-connecting device of claim 1, wherein the elastic member is installed between the bearing portion of the movable card-connecting block and the base.

3. The card-engaging device of claim 2 wherein the top of the base has a receiving slot in which the first end of the resilient member is mounted.

4. The clamping device of claim 1 wherein the movable clamping block has a guide slot at the bottom of the bearing portion, and the second end of the elastic member is mounted in the guide slot.

5. The clamping device of claim 1 wherein the movable clamping block is rotatably connected to the base by a shaft;

6. A clip according to claim 1 in which the bearing portion and the clip are perpendicular to each other.

7. The clamping device according to claim 1, wherein the clamping portion is provided with a first limiting protrusion in a direction toward the clamping opening, and the first limiting protrusion is located at an end of the clamping portion away from the bearing portion, so as to further limit the clamped object after the clamped object is clamped with the clamping opening.

8. The clamping device of any one of claims 1 to 7 wherein there are two clamping blocks, and the two clamping blocks are arranged oppositely.

9. The clamping device of any one of claims 1 to 7 wherein the clamping blocks are all movable clamping blocks; and each movable clamping block and the base are provided with the elastic piece.

10. The clamping device of claim 1 wherein the base includes a body and two pairs of mounting plates protruding from the top of the body, each clamping block being mounted between a pair of the mounting plates and being rotatably connected to the mounting plates via a shaft.