CN218226734U

CN218226734U - Clamping assembly based on elastic piece

Info

Publication number: CN218226734U
Application number: CN202221964287.6U
Authority: CN
Inventors: 郭耀辉; 文章; 吴代阳; 徐成友
Original assignee: Xinjindian Technology Shenzhen Co ltd
Current assignee: Xinjindian Technology Shenzhen Co ltd
Priority date: 2022-07-27
Filing date: 2022-07-27
Publication date: 2023-01-06
Anticipated expiration: 2032-07-27

Abstract

The utility model belongs to the focusing field, in particular to a centre gripping subassembly based on elastic component, including annular extension spring, bearing main part and a plurality of centre gripping subassembly, a plurality of centre gripping subassemblies all move about and set up in bearing main part, and form the clamping position that is used for the centre gripping product between a plurality of centre gripping subassembly front sides, and annular extension spring cup joints the rear side at a plurality of centre gripping subassemblies, is provided with on the centre gripping subassembly to be used for supporting the position of holding with the external drive structure. In the assembly, the clamping force applied to the product is stable and uniform, the product is not easy to slip, and the product cannot be damaged due to too much force; and the compatibility is good, and a plurality of clamping assemblies can be compatible with a product with a large size after being opened. When the product needs to be separated, the clamping components can be abutted and held on the abutting position through the external structure, and the clamping components are driven outwards, so that the clamping position can be opened, and the product is separated.

Description

Clamping assembly based on elastic piece

Technical Field

The utility model belongs to the focusing field, in particular to a clamping structure.

Background

In the prior art, deformable materials such as spring steel and iron sheets are generally adopted to form a clamping mechanism which is basically matched with the appearance of a lens, and the lens is clamped through deformation of the clamping mechanism to simulate hands to perform focusing work on the camera. Although this mechanism can also perform focusing, there are several disadvantages:

1, the clamping force is unstable, because the mechanism generates the clamping force on the lens by depending on the deformation of materials, no matter metal or other materials, metal fatigue can be generated, so that the deformation is unstable, the clamping force can be reduced along with the metal fatigue, and the focusing process is easy to slip;

2, the compatibility is poor, the requirement of the clamping mechanism on the overall dimension of the product is high, and the clamping mechanism cannot be compatible with the product with similar appearance and slightly large dimension difference due to limited deformation;

3 short service life, metal fatigue, short service life of the assembly, or the need to frequently replace new clamping mechanisms.

As publication 1 discloses a clamping manipulator (application number is CN 201721590872.3) for be applied to module auto-focusing rigging equipment makes a video recording for the centre gripping module of making a video recording of waiting to assemble to carry the module of making a video recording of waiting to assemble to the center of focusing light source, clamping manipulator includes: a clamping cylinder; the clamping claw is connected with a push rod of the clamping cylinder and can radially inwards contract or radially outwards expand to move; the clamping jig is arranged on the clamping claw and can move along the radial direction of the clamping claw under the control of the clamping cylinder; when the clamping jigs are radially inwards contracted to move to clamp the module lens cone, the adjacent clamping jigs jointly enclose a clamping cavity matched with the periphery of the module lens cone. The embodiment of the utility model provides a, treat the module of making a video recording of assembly through centre gripping manipulator centre gripping to the module of making a video recording that will treat the assembly is carried to the center of focusing light source, and intensity of work that can greatly reduced staff improves assembly efficiency. The publication has drawbacks of the prior art.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model discloses a first-hand object provides a centre gripping subassembly based on elastic component, and the clamping-force that the product was used to this subassembly is stable and even, and non-skid more can not lead to the harm product because of too energetically.

Another object of the utility model is to provide a centre gripping subassembly based on elastic component, this subassembly is compatible good.

In order to achieve the above object, the technical solution of the present invention is as follows.

The utility model provides a centre gripping subassembly based on elastic component, is including annular extension spring, load-bearing main part and a plurality of centre gripping subassembly, and the equal activity of a plurality of centre gripping subassemblies sets up on load-bearing main part, and forms the centre gripping position that is used for the centre gripping product between a plurality of centre gripping subassembly front sides, annular extension spring cup joints the rear side at a plurality of centre gripping subassemblies, be provided with on the centre gripping subassembly and be used for supporting the position of holding with the external drive structure.

In the assembly, the annular tension spring is sleeved outside the plurality of clamping assemblies, so that the plurality of clamping assemblies generate centripetal force tensioned by the tension spring, the plurality of clamping assemblies are folded under the acting force of the annular tension spring, and at the moment, the clamping position can be used for clamping a product, and based on folding and clamping of the clamping assemblies, the clamping force applied to the product is stable and uniform, the product is not easy to slip, and the product cannot be damaged due to too large force; and compatibility is good, and a plurality of centre gripping subassemblies can expand big size can compatible big product. When the product needs to be separated, the clamping components can be propped against the propping position through the external structure and driven outwards, so that the clamping position can be opened, and the product is separated. The external structure here may be a cylinder, or other structure.

Furthermore, a sliding groove is formed in the bearing main body, and a focusing hole penetrating through the bearing main body is formed in the sliding groove; and the clamping assemblies are arranged in the sliding grooves, and the focusing holes correspond to the clamping positions.

Furthermore, the clamping assembly is movably connected with the bearing main body through a sliding rail and sliding block structure.

Furthermore, the sliding groove is a cylindrical groove, the clamping assemblies are integrally disc-shaped after being folded, and the clamping positions of the clamping assemblies are circular through holes after being folded.

Furthermore, the clamping components comprise connecting pieces and clamping pieces, the abutting positions are located on the connecting pieces, the connecting pieces are movably arranged in the sliding grooves, the clamping pieces are fixedly arranged on the front sides of the connecting pieces, and the clamping positions are formed among the clamping pieces of the plurality of clamping components; the annular tension spring is sleeved on the rear side of the connecting piece of the clamping assemblies.

Furthermore, the clamping piece extends into the focusing hole, and the outer side surface of the lower end of the clamping piece corresponds to the side surface of the focusing hole. The outer side face of the lower end of the clamping piece corresponds to the side face of the focusing hole, so that the side face of the focusing hole plays a limiting role in moving the clamping piece.

Furthermore, the abutting position on the upper side of the connecting piece is an abutting groove.

Furthermore, the number of the clamping assemblies is three, and a plurality of abutting groove assemblies are combined into a circular ring groove after the three clamping assemblies are folded.

Furthermore, the bearing main body is also fixedly provided with a wiring piece for wiring binding wires. The wiring piece can arrange and bundle the originally messy electric wires or air pipes in order and fix the electric wires or the air pipes.

Furthermore, tension spring grooves are formed in the rear sides of the clamping components, and the tension spring grooves of the clamping components are located on the arc line of the same circle; after the clamping components are closed, the tension spring grooves surround to form an annular groove. The annular tension springs are arranged in the tension spring grooves of the clamping assemblies.

The utility model has the advantages that in the assembly, a plurality of clamping assemblies are folded under the action force of the annular tension spring, and the clamping positions can be used for clamping products at the moment, so that the clamping force applied to the products is stable and uniform based on the folding and clamping of the clamping assemblies, the products are not easy to slip, and the products are not damaged due to too large force; and compatibility is good, and a plurality of centre gripping subassemblies can expand big size can compatible big product. When the product needs to be separated, the clamping components can be propped against the propping position through the external structure and driven outwards, so that the clamping position can be opened, and the product is separated.

Drawings

Fig. 1 is a schematic view of a first viewing angle structure of the present invention.

Fig. 2 is a schematic structural diagram of a second viewing angle of the present invention.

Fig. 3 is a first perspective structural view of the clamping assembly.

Fig. 4 is a structural diagram of the clamping assembly from a second perspective.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1-4, a clamping assembly based on elastic components comprises an annular tension spring, a bearing main body 1 and a plurality of clamping assemblies 2, wherein the plurality of clamping assemblies 2 are movably arranged on the bearing main body 1, clamping positions 21 for clamping products are formed between the front sides of the plurality of clamping assemblies 2, the annular tension spring is sleeved on the rear sides of the plurality of clamping assemblies 2, and abutting positions 22 for abutting against an external driving structure are arranged on the clamping assemblies 2.

Furthermore, tension spring grooves 23 are formed in the rear sides of the clamping assemblies 2, and the tension spring grooves 23 of the clamping assemblies 2 are located on the arc line of the same circle; after the clamping components 2 are folded, a plurality of tension spring grooves 23 are encircled to form annular grooves; the annular tension springs are arranged in the tension spring grooves of the clamping assemblies.

Further, a sliding groove 11 is arranged on the bearing main body 1, and a focusing hole 12 penetrating through the bearing main body 1 is arranged in the sliding groove 11; a plurality of clamping components 2 are movably arranged in the sliding groove 12, and the focusing holes 12 correspond to the clamping positions 21.

Furthermore, the clamping component 2 is movably connected with the bearing main body 1 through a sliding rail and sliding block structure 3.

Furthermore, the sliding groove 12 is a cylindrical groove, the clamping components 2 are folded to form a disc shape, and the clamping positions 21 are circular through holes after the clamping components 2 are folded.

Further, the clamping assemblies 2 comprise connecting pieces 24 and clamping pieces 25, the abutting positions 22 are located on the connecting pieces 24, the connecting pieces 24 are movably arranged in the sliding grooves 12, the clamping pieces 25 are fixedly arranged on the front sides of the connecting pieces 24, and the clamping positions 21 are formed among the clamping pieces 25 of the plurality of clamping assemblies 2; the annular tension spring is sleeved on the rear side of the connecting pieces 24 of the plurality of clamping components 2.

Further, the clamping piece 25 extends into the focusing hole 12, and the outer side surface of the lower end of the clamping piece 25 corresponds to the side surface of the focusing hole 12. Or the front end of the connecting piece 24 and the clamping piece 25 extend into the focusing hole 12, and the lower side of the front end of the connecting piece 24 corresponds to the side surface of the focusing hole 12.

Furthermore, the abutting position 22 on the upper side of the connecting piece 24 is an abutting groove.

Furthermore, the number of the clamping components 2 is three, and a plurality of abutting grooves are combined into a circular ring groove after the three clamping components 2 are folded.

Further, a wire-routing piece 13 for routing a binding wire is fixedly arranged on the bearing main body 1.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a centre gripping subassembly based on elastic component, its characterized in that, including annular extension spring, load-bearing main part and a plurality of centre gripping subassembly, a plurality of centre gripping subassemblies all move about and set up in load-bearing main part, and form the centre gripping position that is used for the centre gripping product between a plurality of centre gripping subassembly front sides, annular extension spring cup joints the rear side at a plurality of centre gripping subassemblies, be provided with on the centre gripping subassembly and be used for supporting the position of holding with the external drive structure.

2. The elastic piece-based clamping assembly according to claim 1, wherein a sliding groove is formed in the bearing main body, and a focusing hole penetrating through the bearing main body is formed in the sliding groove; and the clamping assemblies are arranged in the sliding grooves, and the focusing holes correspond to the clamping positions.

3. The clamping assembly based on the elastic member as claimed in claim 1, wherein the clamping assembly is movably connected with the carrying body through a sliding rail and sliding block structure.

4. The spring-based clamp assembly of claim 2, wherein the sliding slot is a cylindrical slot, and wherein a plurality of the clamp assemblies are substantially disc-shaped when closed and wherein a plurality of the clamp assemblies are substantially circular through holes when closed.

5. The clamping assembly based on the elastic piece as claimed in claim 2, wherein the clamping assembly comprises a connecting piece and clamping pieces, the abutting position is located on the connecting piece, the connecting piece is movably arranged in the sliding groove, the clamping pieces are fixedly arranged on the front side of the connecting piece, and the clamping positions are formed among the clamping pieces of the plurality of clamping assemblies; the annular tension spring is sleeved on the rear side of the connecting piece of the plurality of clamping assemblies.

6. The elastomeric based clamp assembly of claim 5, wherein the clamp member extends into the focus aperture and an outer side of the lower end of the clamp member corresponds to the side of the focus aperture.

7. The clamping assembly as claimed in claim 5, wherein the holding portion of the upper side of the connecting member is a holding groove.

8. The elastic element-based clamping assembly as recited in claim 7, wherein said number of clamping assemblies is three, and a plurality of holding grooves are combined into a circular ring groove after said three clamping assemblies are folded.

9. The clamping assembly as claimed in claim 1, wherein the supporting body further comprises a wire-guiding member for guiding the wire.

10. The clamping assembly based on the elastic piece as claimed in claim 1, wherein the rear side of the clamping assembly is provided with a tension spring groove, and the tension spring grooves of the plurality of clamping assemblies are located on the arc line of the same circle; after the clamping components are closed, the tension spring grooves are encircled to form an annular groove; the annular tension springs are arranged in the tension spring grooves of the clamping assemblies.