CN214500858U

CN214500858U - Elastic connecting piece

Info

Publication number: CN214500858U
Application number: CN202022559181.5U
Authority: CN
Inventors: 许琳琳; 陈灏; 胡庆洋; 邓强
Original assignee: Guangzhou Tianying Precision Tool Co ltd
Current assignee: Guangzhou Tianying Precision Tool Co ltd
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2021-10-26
Anticipated expiration: 2030-11-06

Abstract

The utility model provides an elastic connecting piece, which is characterized by comprising an elastic piece and an outer shell sleeved outside the elastic piece; the outer shell is formed by connecting a plurality of connecting bodies; the connecting body comprises a main body and convex teeth arranged at two ends of the main body; a groove is formed between two adjacent convex teeth in each connecting body, so that the two adjacent connecting bodies are connected by matching the convex teeth of one connecting body with the groove of the other connecting body. The utility model discloses elastic connection's outer casing is formed by connecting the connector, cooperates through dogtooth and recess between the adjacent connector and connects, and the function of buckling of elastic connection's can be guaranteed in dogtooth and recess cooperation, and the cooperation has certain limit function between dogtooth and the recess simultaneously for elastic connection's the range of buckling can be controlled, thereby better transmission effort.

Description

Elastic connecting piece

Technical Field

The utility model particularly relates to an elastic connecting piece.

Background

In daily life and production, an elastic connecting piece is often required to be used and has the function of flexible connection, and in some products, the elastic connecting piece is required to have the function of flexible connection and also has the function of transferring the action after being stressed and bent. The outside of the existing elastic connecting piece is mostly a hose, the inside is a flexible shaft core, the strength of the flexible shaft core is not enough, the amplitude of the flexible shaft core is often not well controlled when the flexible shaft core is bent, and acting force cannot be well transferred. For some products which need to accurately control the bending amplitude (angle) in the using process, the using effect is often less ideal.

Therefore, the elastic connecting piece with high strength and controllable bending amplitude is needed to be provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an elastic connecting piece solves among the prior art not enough that elastic connecting piece range of buckling is difficult to control.

In order to achieve the above object, the utility model adopts the following technical scheme:

an elastic connecting piece is characterized by comprising an elastic piece and an outer shell sleeved outside the elastic piece; the outer shell is formed by connecting a plurality of connecting bodies; the connecting body comprises a main body and convex teeth arranged at two ends of the main body; a groove is formed between two adjacent convex teeth in each connecting body, so that the two adjacent connecting bodies are connected by matching the convex teeth of one connecting body with the groove of the other connecting body.

In some embodiments of the present invention, the protruding teeth include a connecting portion and a protruding portion; one end of the connecting part is connected with the main body of the connecting body, and the other end of the connecting part is connected with the protruding part.

Furthermore, the protruding parts of the protruding teeth are arranged in two numbers, and the two protruding parts are respectively arranged on two side walls of the end part of the connecting part. The convex teeth are similar to T-shaped teeth, and the structure is simple.

The utility model discloses in, the dogtooth on the same tip of main part of connector evenly arranges, and the dogtooth symmetry on the different tip sets up in the main part both ends. The convex teeth are uniformly distributed, so that different convex teeth of the connecting body are stressed the same, and the deflection angles of the elastic connecting piece bent towards different directions are the same.

The utility model discloses can do following improvement, the main part of connector is the drum, the dogtooth outer wall and the inner wall of connector are in respectively on the face of cylinder of main part drum place outer cylinder, interior cylinder. Through the arrangement, the outer shell is integrally cylindrical after the connecting body is connected, and can be bent in any direction.

Furthermore, two side walls of the convex tooth connecting part are arranged along the radial direction of the main body cylinder; the side wall of the convex tooth convex part is arranged along the radial direction of the main body cylinder. The connecting part of the convex tooth and the side wall of the bulge part are radially arranged to be combined with the connecting body to form a whole cylinder, and the convex teeth of the adjacent connecting bodies have a limiting effect, so that the connecting between the connecting bodies is more stable.

Furthermore, the joints of the side walls of the convex tooth convex parts and the top surfaces and the bottom surfaces of the convex tooth convex parts are rounded. Therefore, the area of a local gap at the contact position between the convex teeth can be increased, the permeability is increased, and the connecting piece is more conveniently cleaned.

The utility model discloses can further improve, the bellying height of dogtooth is less than the degree of depth that forms the recess between the double-phase adjacent dogtooth. The arrangement enables the two adjacent connecting pieces to be stably connected through the matching of the convex teeth and the grooves, and meanwhile, the depth of the grooves can be adjusted to control the size of the angle between the two adjacent connecting pieces which is bent along the radial direction.

Further, the depth setting is 1.5-2.0 times the height of the convex tooth convex part.

The utility model discloses can also do following improvement, outer casing both ends still are equipped with the end, the end is equipped with the dogtooth the same with the connector, and the recess through dogtooth and connector cooperatees and is connected with outer casing.

In some embodiments of the present invention, the ends of the elastic member are fixed to the ends respectively.

Further, the elastic member is a spring.

The utility model discloses following beneficial effect has:

(1) the utility model discloses elastic connection's outer casing is formed by connecting the connector, cooperates through dogtooth and recess between the adjacent connector and connects, and the function of buckling of elastic connection's can be guaranteed in dogtooth and recess cooperation, and the cooperation has certain limit function between dogtooth and the recess simultaneously for elastic connection's the range of buckling can be controlled, thereby better transmission effort. This also allows the selection of a stronger material without affecting the connecting function of the elastic connecting element.

(2) The utility model discloses the dogtooth on the same tip of main part of connector is evenly arranged, and the dogtooth symmetry on the different tip sets up in the main part both ends, and the dogtooth atress is even like this, better transmission effort.

(3) The main body of the elastic connecting piece connecting body of the utility model is a cylinder, the outer wall and the inner wall of the convex tooth of the connecting body are respectively positioned on the cylindrical surfaces of the outer cylinder and the inner cylinder where the main body cylinder is positioned, and the two side walls of the convex tooth connecting part are arranged along the radial direction of the main body cylinder; the lateral wall of the convex tooth convex part is arranged along the radial direction of the main body cylinder, so that the connector is connected stably and stressed uniformly, and the elastic connecting piece can be bent by 360 degrees.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic view of the overall structure of the elastic connecting piece of the present invention;

FIG. 2 is a schematic structural view of the elastic connector housing of the present invention;

FIG. 3 is an exploded view of FIG. 2;

FIG. 4 is a schematic view of the overall structure of the connector of the present invention;

FIG. 5 is a front view of the connector of the present invention;

fig. 6 is a rear view of the connector of the present invention;

fig. 7 is a left side view of the connector of the present invention;

fig. 8 is a right side view of the connector of the present invention;

fig. 9 is a top view of the connector of the present invention;

fig. 10 is a bottom view of the connector of the present invention;

FIG. 11 is a schematic view of the connection structure of two connectors;

fig. 12 is a schematic structural view of the tip of the present invention;

figure 13 is a front view of the tip of the present invention;

fig. 14 is a left side view of the tip of the present invention;

figure 15 is a right side view of the tip of the present invention;

the drawings are numbered as follows: 1. an outer shell; 2. a tip; 3. an elastic member; 4. a linker; 401. a main body; 402. a convex tooth; 4021. a connecting portion; 4022. a raised portion.

Detailed Description

Example 1

The elastic connection element, as shown in fig. 1-15, comprises a housing and an elastic element 3. The shell comprises an outer shell 1 and a tip 2. The outer shell 1 is sleeved outside the elastic element 3, and the two ends 2 are respectively connected with the two ends of the outer shell 1.

The outer shell 1 is formed by connecting a plurality of connecting bodies 4 in sequence. Each connecting body 4 comprises a main body 401 and convex teeth 402 arranged at both ends of the main body 401; the convex teeth 402 on the same end of the main body 401 of the connecting body 4 are uniformly arranged, a groove is formed between two adjacent convex teeth 402, and the convex teeth 402 on different ends are symmetrically arranged at two ends of the main body 401. In this embodiment, the main body 401 of the connecting body 4 is a cylinder, and the outer wall and the inner wall of the convex tooth 402 of the connecting body 4 are respectively located on the cylindrical surfaces of the outer cylinder and the inner cylinder where the cylinder of the main body 401 is located. Five convex teeth 402 are uniformly arranged at two ends of each connecting body 4. Tooth 402 includes a coupling portion 4021 and two protrusions 4022; one end of the connecting part 4021 is connected to the main body 401 of the connector 4, the other end of the connecting part 4021 is connected to the protrusion 4022, and the two protrusions 4022 are respectively disposed on two side walls of the end of the connecting part 4021. Two side walls of the connecting part 4021 of the convex teeth 402 are arranged along the radial direction of the cylinder of the main body 401; the side walls of the protrusions 4022 of the teeth 402 are arranged along the radial direction of the cylinder of the main body 401, and the joints of the side walls of the protrusions 4022 with the top surface and the bottom surface are rounded. The height of the protrusion 4022 of each tooth 402 is less than the depth of the groove formed between two adjacent teeth 402, and in this embodiment, the depth of the groove is 1.8 times the height of the protrusion 4022 of each tooth 402. With the above arrangement, two adjacent connecting bodies 4 are connected by the convex teeth 402 of one connecting body 4 matching with the concave grooves of the other connecting body 4.

The head 2 is cylindrical and has a protruding tooth 402 at one end, which is identical to the connecting body 4. The two ends 2 are respectively matched with the grooves of the two connectors 4 at the outermost side of the outer shell 1 through the convex teeth 402, so that the connection between the ends 2 and the outer shell 1 is realized. The two ends of the elastic member 3 are respectively fixed on the two end heads 2, in this embodiment, the elastic member 3 is a spring.

Example 2

The difference between this embodiment and embodiment 1 is that two layers of elastic members 3 are disposed inside the outer shell 1, the innermost layer of elastic member is a spring, the middle layer of elastic member is a spring, and the innermost layer of spring is disposed inside the middle layer of spring. Both ends of the innermost spring and the middle spring are respectively fixed on the end head 2.

The above embodiments of the present invention are not right the utility model discloses the limited protection scope, the utility model discloses an embodiment is not limited to this, all kinds of basis according to the above-mentioned of the utility model discloses an under the above-mentioned basic technical thought prerequisite of the utility model, right according to ordinary technical knowledge and the conventional means in this field the modification, replacement or the change of other multiple forms that above-mentioned structure made all should fall within the protection scope of the utility model.

Claims

1. An elastic connecting piece is characterized by comprising an elastic piece (3) and an outer shell (1) sleeved outside the elastic piece (3); the outer shell (1) is formed by connecting a plurality of connecting bodies (4); the connecting body (4) comprises a main body (401) and convex teeth (402) arranged at two ends of the main body (401); a groove is formed between two adjacent convex teeth (402) in each connecting body (4), so that the two adjacent connecting bodies (4) are connected by matching the convex teeth (402) of one connecting body (4) with the groove of the other connecting body (4).

2. The elastic connection according to claim 1, characterized in that the male tooth (402) comprises a connection portion (4021) and a protrusion portion (4022); one end of the connecting part (4021) is connected with the main body (401) of the connecting body (4), and the other end of the connecting part (4021) is connected with the boss (4022).

3. The elastic connection according to claim 2, characterized in that the protrusions (4022) of the teeth (402) are provided in two, and the two protrusions (4022) are provided on both side walls of the end of the connection part (4021), respectively.

4. A flexible connection unit according to claim 3, characterized in that the main body (401) of the connection body (4) has a uniform arrangement of teeth (402) at one end and the teeth (402) at the different ends are symmetrically arranged at both ends of the main body (401).

5. The elastic connecting element according to claim 4, characterized in that the main body (401) of the connecting body (4) is a cylinder, and the outer wall and the inner wall of the convex teeth (402) of the connecting body (4) are respectively positioned on the cylindrical surfaces of the outer cylinder and the inner cylinder of the main body (401).

6. The elastic connection element according to claim 5, characterized in that the two side walls of the connection part (4021) of the convex teeth (402) are arranged along the radial direction of the cylinder of the main body (401); the side wall of the convex part (4022) of the convex tooth (402) is arranged along the radial direction of the cylinder of the main body (401).

7. The elastomeric connector of claim 6, wherein the junction of the side walls of the lobes (4022) of the teeth (402) with the top and bottom surfaces of the lobes (4022) is rounded.

8. An elastic connecting piece according to any one of claims 1-7, characterized in that the outer shell (1) is further provided with a head (2) at both ends, the head (2) is provided with a convex tooth (402) identical to the connecting body (4), and the head is connected with the outer shell (1) through the convex tooth (402) and the concave groove of the connecting body (4) matching.

9. An elastic connection element according to claim 8, characterized in that the ends of the elastic element (3) are fixed to the head (2) respectively.

10. An elastic connection according to claim 9, characterized in that the elastic element (3) is a spring.