Rubber tube structure with joint

Abstract

The rubber tube structure comprises a rubber tube body and the connector, the connector is provided with a plurality of enlarged bottoms, the enlarged bottoms are evenly distributed in the axis direction of the connector, the rubber tube body is provided with connecting holes, and the circumferential side face of the connector is wrapped by the connecting holes. The circumferential side surface area of the joint is increased, so that the contact area between the joint and a cloth layer is increased in a coating process, and the impact force on the joint during demolding is reduced. The possibility that the connector is punched to fall off by pressure during demolding is reduced, so that the pulling-out strength of the connector is improved, and the rejection rate caused by connector falling off in the production process is reduced.

Description

Technical Field

[0001] The utility model relates to the field of joint hoses, in particular to a hose structure with a joint. Background Art

[0002] A hose is a type of tubular rubber product used to transport gas, liquid, slurry or granular materials.

[0003] The utility model with publication number CN201462271U discloses a multi-head rubber hose for engineering machinery, which comprises a rubber hose body, wherein the rubber hose body is provided with at least one connecting hole vulcanized as one body therewith, and a steel joint connected as one body therewith is installed in the connecting hole.

[0004] The steel joint in the above technical solution is usually covered in the connecting hole on the hose through a covering process, so that the connecting hole and the steel joint are connected as one. However, the covering area of ​​the steel joint in the above technical solution is limited. During the demolding process of the covering process, the joint is easy to fall off and the pull-off force does not meet the standard, resulting in the hose being scrapped. Utility Model Content

[0005] In order to increase the pull-out strength of the joint, the present application provides a hose structure with a joint.

[0006] The present application provides a hose structure with a joint using the following technical solution:

[0007] A hose structure with a joint comprises a hose body and a joint, wherein the joint is provided with a plurality of enlarged bottoms which are evenly distributed along the axial direction of the joint, and the hose body is provided with a connecting hole which wraps the circumferential side surface of the joint.

[0008] By adopting the above technical solution, the circumferential side area of ​​the joint is increased, so that the contact area between the joint and the cloth layer is increased during the coating process, and the impact force on the joint during demoulding is reduced. The possibility of the joint falling off due to pressure during demoulding is reduced, so as to increase the joint pull-out strength and reduce the scrap rate caused by the joint falling off during the production process.

[0009] Preferably, a first rib is provided on the side surface of the joint, and the first rib is wrapped by the connecting hole.

[0010] By adopting the above technical solution, the possibility of the joint rotating in the connecting hole during or after the covering process is reduced through the cooperation between the first rib and the connecting hole.

[0011] Preferably, a plurality of enlarged portions are provided on the enlarged sole, and the plurality of enlarged portions are respectively oriented in different directions, and the plurality of enlarged portions are respectively wrapped by connecting holes.

[0012] By adopting the above technical solution, the contact area between the joint and the fabric layer is further increased during the coating process, and the impact force on the joint during demoulding is reduced. The possibility of the joint falling off due to pressure during demoulding is reduced, so as to increase the joint pull-out strength and reduce the scrap rate caused by the joint falling off during the production process.

[0013] Preferably, a plurality of second ribs are provided on the enlarged portion, and one end of the plurality of second ribs close to the joint is fixedly connected to the joint.

[0014] By adopting the above technical solution, a second rib is provided on the enlarged part to enhance the bending strength of the enlarged part, thereby reducing the possibility of bending of the enlarged part due to impact force during demoulding, that is, reducing the scrap rate caused by bending of the enlarged part during production.

[0015] Preferably, a protrusion is provided on the hose body, and the connection between the protrusion and the hose body is rounded and smoothly transitioned, and the connecting hole is coaxial and penetrates the protrusion.

[0016] By adopting the above technical solution, the stress concentration at the connection between the hose body and the raised portion is reduced, the possibility of fracture at the connection between the hose body and the raised portion during the coating process is reduced, and the service life and strength of the product are improved.

[0017] Preferably, abutment portions are respectively provided on both sides of the protrusion in the axial direction, and the abutment portions abut on the axial plane of the joint.

[0018] By adopting the above technical solution, the ends of the joint are abutted, the impact force on the joint during demoulding is reduced, and the possibility of the joint being dislodged by pressure during demoulding is reduced, so as to increase the pull-out strength of the joint.

[0019] Preferably, a plurality of the enlarged portions are provided with limiting holes respectively, and a plurality of limiting columns which can cooperate with the limiting holes are provided inside the abutting portion. When the connecting hole covers the joint, the limiting holes cooperate with the limiting columns.

[0020] By adopting the above technical solution, the joint is limited, thereby reducing the possibility of the joint rotating in the connecting hole after the joint and the hose body are covered.

[0021] The technical effects of this utility model are mainly reflected in the following aspects:

[0022] 1. The utility model increases the circumferential side area of ​​the joint by setting a number of enlarged bottoms, thereby increasing the contact area between the joint and the cloth layer during the coating process, reducing the impact force on the joint during demoulding. The possibility of the joint falling off due to pressure during demoulding is reduced, thereby increasing the joint pull-out strength and reducing the scrap rate caused by the joint falling off during the production process;

[0023] 2. The utility model provides a second rib on the enlarged sole to enhance the bending strength of the enlarged sole and reduce the possibility of bending of the enlarged sole caused by impact force during demoulding, that is, to reduce the scrap rate caused by bending of the enlarged sole during production;

[0024] 3. The utility model limits the position of the joint by setting a limiting hole, thereby reducing the possibility of the joint rotating in the connecting hole after the joint and the hose body are covered. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present application.

[0026] Figure 2 It is a schematic diagram of the main structure of the hose in the embodiment of the present application.

[0027] Figure 3 is along Figure 2 Enlarged view of point A in the middle.

[0028] Figure 4 It is a schematic diagram of the joint structure of an embodiment of the present application.

[0029] Figure 5 It is a schematic diagram of the connecting hole structure of an embodiment of the present application.

[0030] Figure 6 is along Figure 5 Enlarged view of point B in the middle.

[0031] Explanation of the reference numerals: 1. hose body; 11. raised portion; 12. abutting portion; 13. connecting hole; 14. limiting column; 2. joint; 21. enlarged bottom; 22. enlarged portion; 23. first rib; 24. second rib; 25. connecting hole. DETAILED DESCRIPTION

[0032] The following is combined with Figure 1-6 The present application is further described in detail to make the technical solution of the present application easier to understand and grasp.

[0033] The embodiment of the present application discloses a hose structure with a joint.

[0034] Reference Figure 1-Figure 4A hose structure with a joint in this embodiment includes a hose body 1 and a joint 2. The two ends of the joint 2 in the axial direction are coaxially and fixedly connected with an enlarged bottom 21. The enlarged bottom 21 near the side of the hose body 1 is fixedly connected with two enlarged parts 22. The two enlarged parts 22 face different directions. The two enlarged parts 22 are respectively fixedly connected with second ribs 24. One end of the two second ribs 24 near the joint 2 is fixedly connected to the joint 2 and the enlarged parts 22. The two enlarged bottoms 21 are respectively provided with a plurality of connection holes 13. The plurality of connection holes 13 are evenly distributed around the axis of the enlarged bottom 21. A first rib 23 is fixedly connected to the side of the joint 2. The two ends of the first rib 23 in the length direction are respectively fixedly connected to the two enlarged parts 22.

[0035] Reference Figure 1 , Figure 2 , Figure 5 and Figure 6 The hose body 1 is fixedly connected with a raised portion 11, which is integrally formed with the hose body 1. The connection between the raised portion 11 and the hose body 1 is rounded and smoothly transitioned, which reduces the stress concentration between the connection between the hose body 1 and the raised portion 11, reduces the possibility of the connection between the hose body 1 and the raised portion 11 being broken during the coating process, and improves the service life and strength of the product. The hose body 1 is provided with a connecting hole 13, which is coaxial with the raised portion 11 and penetrates the raised portion 11.

[0036] Reference Figure 1-Figure 6 The hose body 1 covers the joint 2 on the connection hole 13 through a coating process. The enlarged bottom 21, the enlarged portion 22, the first rib 23, the second rib 24 and the connection hole 13 on the joint 2 are all covered by the connection hole 13 of the hose body 1. The two sides of the convex portion 11 in the axial direction are respectively integrally formed with abutment portions 12, which abut on the axial plane of the joint 2 to abut the end of the joint 2, reduce the impact force on the joint 2 during demoulding, and reduce the possibility of the joint 2 falling off due to pressure when being demoulded, so as to increase the pull-out strength of the joint 2.

[0037] Reference Figure 1-Figure 4 By providing the enlarged bottom 21 and the enlarged portion 22, the contact area between the joint 2 and the fabric layer is further increased during the coating process, and the impact force on the joint 2 during demoulding is reduced. The possibility of the joint 2 falling off due to pressure during demoulding is reduced, so as to increase the pull-out strength of the joint 2 and reduce the scrap rate caused by the joint 2 falling off during the production process.

[0038] Reference Figure 1-Figure 4The second rib 24 is provided on the enlarged portion 22 to enhance the bending strength of the enlarged portion 22, thereby reducing the possibility of bending of the enlarged portion 22 due to impact force during demoulding, that is, reducing the scrap rate caused by bending of the enlarged portion 22 during production. The first rib 23 cooperates with the connecting hole 13 to reduce the possibility of the connector 2 rotating in the connecting hole 13 during or after the coating process.

[0039] Reference Figure 1-Figure 6 The abutting portion 12 is integrally formed with a plurality of limiting posts 14 that can cooperate with the limiting holes 25. When the connecting hole 13 covers the connector 2, the limiting holes 25 are plugged and matched with the limiting posts 14. The connector 2 is limited to reduce the possibility of the connector 2 rotating in the connecting hole 13 after the connector 2 and the hose body 1 are covered.

[0040] Of course, the above are only typical examples of the present application. In addition, the present application may have many other specific implementation methods. All technical solutions formed by equivalent replacement or equivalent transformation fall within the scope of protection required by the present application.

Claims

1. A hose structure with a joint, characterized in that: The invention comprises a hose body (1) and a joint (2), wherein the joint (2) is provided with a plurality of enlarged bottoms (21), and the plurality of enlarged bottoms (21) are evenly distributed along the axial direction of the joint (2), and the hose body (1) is provided with a connecting hole (13), and the connecting hole (13) wraps the circumferential side surface of the joint (2).

2. A hose structure with a joint according to claim 1, characterized in that: A first rib (23) is provided on the side surface of the joint (2), and the first rib (23) is wrapped by the connecting hole (13).

3. The hose structure with a joint according to claim 1, characterized in that: The enlarged bottom (21) is provided with a plurality of enlarged portions (22), the plurality of enlarged portions (22) are respectively oriented in different directions, and the plurality of enlarged portions (22) are respectively wrapped within the connection holes (13).

4. A hose structure with a joint according to claim 3, characterized in that: The enlarged portion (22) is provided with a plurality of second ribs (24), and one end of the plurality of second ribs (24) close to the joint (2) is fixedly connected to the joint (2).

5. The hose structure with a joint according to claim 3, characterized in that: The hose body (1) is provided with a protrusion (11), the connection between the protrusion (11) and the hose body (1) is rounded and smoothly transitioned, and the connection hole (13) is coaxial and penetrates the protrusion (11).

6. The hose structure with a joint according to claim 5, characterized in that: Abutment portions (12) are respectively provided on both sides of the protruding portion (11) in the axial direction, and the abutment portions (12) abut on the axial plane of the joint (2).

7. The hose structure with a joint according to claim 6, characterized in that: A plurality of the enlarged portions (22) are respectively provided with limiting holes (25), and a plurality of limiting posts (14) that can cooperate with the limiting holes (25) are provided inside the abutting portion (12). When the connecting hole (13) covers the joint (2), the limiting holes (25) cooperate with the limiting posts (14).

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