Stretch-resistant V belt

Abstract

The utility model belongs to the technical field of V-shaped belts, and particularly relates to an anti-tensile V-shaped belt, which comprises a body with an isosceles trapezoid section and an annular whole. The multiple inner reinforcing ribs are distributed on the upper side and the lower side in the body at equal intervals; the outer wrapping cloth layer is arranged outside the body; and the inner tensile supporting piece is integrally formed in the body.

Description

Technical Field

[0001] The utility model belongs to the technical field of V-belts, in particular to an anti-stretching V-belt. Background Art

[0002] V-belt is a common transmission belt, mainly used in mechanical equipment for power transmission. V-belt is often needed in the accessory transmission system of internal combustion engines such as road vehicles, agricultural tractors, forestry machinery, engineering machinery, ships, generator sets, irrigation and drainage machinery, etc. V-belt is generally used continuously for a long time, so the fatigue life of V-belt is a very important indicator, which has a great impact on the quality of V-belt.

[0003] In the prior art, in order to improve the strength of the V-belt, a tensile body is embedded in the V-belt to improve the longitudinal tensile strength of the V-belt; and a tooth shape is provided on the V-belt to enhance the longitudinal bending performance of the V-belt. However, this sacrifices a certain lateral rigidity of the V-belt, resulting in a softer belt body. Utility Model Content

[0004] The utility model aims to provide a V-belt with simple structure, long service life and tensile resistance in view of the above-mentioned technical problems.

[0005] In view of this, the utility model provides an anti-stretching V-belt, comprising:

[0006] A body, wherein the cross section of the body is an isosceles trapezoid and the body is annular as a whole;

[0007] Internal reinforcing ribs, wherein the internal reinforcing ribs are evenly distributed on the upper and lower sides of the main body;

[0008] An outer cloth layer, wherein the outer cloth layer is arranged outside the main body;

[0009] The inner tensile support member is integrally formed in the body.

[0010] In the above technical solution, further, the inner tensile support member is formed by connecting a plurality of tensile support sheets end to end, and the tensile support sheets are made of metal or alloy plastic with good elasticity.

[0011] In the above technical solution, further, the tensile support sheet is overall arc-shaped and includes:

[0012] A first connecting portion, which is in the shape of a thin sheet and extends toward the center of the V-belt;

[0013] The tensile support part is in the shape of a thin sheet and extends in a serpentine shape, one end of the tensile support part is connected to the first connecting part, and the height of the thin sheet of the tensile support part extends toward the center of the V-belt;

[0014] The tail connection part is in the shape of a thin sheet and connected to the other end of the tensile support part, and the thin sheet extends toward the center of the V-belt. The serpentine tensile support part is the shape formed when the tensile support sheet is projected, and the tensile support sheet is in the shape of an arc as a whole when viewed from the side wall of the V-belt.

[0015] In the above technical solution, further, the head connecting portion and the tail connecting portion are arranged parallel to each other and are no longer on the same straight line, and adjacent tensile support sheets are connected through the head connecting portion and the tail connecting portion.

[0016] In the above technical solution, further, the inner tensile support member also includes:

[0017] A connecting bolt connects the head connecting portion and the tail connecting portion of adjacent tensile support sheets.

[0018] In the above technical solution, further, the tensile support sheet also includes:

[0019] Connecting notches, the two connecting notches are respectively arranged on the front connecting part and the rear connecting part;

[0020] The two ends of the connecting bolt are respectively slidably fixed to the connecting notches on the head connecting part and the tail connecting part of the adjacent tensile support sheet.

[0021] In the above technical solution, further, the connecting bolt includes:

[0022] A connecting sleeve, wherein a support sheet is formed at one end of the connecting sleeve, and a connecting hole is formed through the connecting sleeve;

[0023] The connecting nail is inserted into the connecting hole at the end of the connecting sleeve without the supporting sheet and extends to the outside of the supporting sheet to be riveted and connected with the supporting sheet.

[0024] The beneficial effects of the utility model are:

[0025] 1. The setting of internal reinforcement ribs can ensure the overall service life of the V-belt;

[0026] 2. The internal tensile support can ensure the overall tensile strength of the V-belt. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a structural schematic diagram of the utility model;

[0028] Figure 2 It is a cross-sectional schematic diagram of the utility model;

[0029] Figure 3 It is a side view of the partial structure of the inner tensile support member in the utility model;

[0030] Figure 4 It is a partial structural schematic diagram of the inner tensile support member in the utility model;

[0031] Figure 5 It is a partial cross-sectional schematic diagram of the inner tensile support member in the utility model;

[0032] The markings in the figure are: 1-main body, 2-inner reinforcement rib, 3-outer cloth layer, 4-tensile support plate, 4a-front connecting part, 4b-tensile support part, 4c-rear connecting part, 4d-connecting notch, 5-connecting sleeve, 6-connecting nail. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application belong to the scope of protection of this application.

[0034] Embodiment 1:

[0035] This embodiment provides a tensile-resistant V-belt, comprising:

[0036] The main body 1 has an isosceles trapezoidal cross section and is annular in shape as a whole;

[0037] Internal reinforcing ribs 2, wherein the internal reinforcing ribs 2 are evenly distributed on the upper and lower sides of the body 1;

[0038] An outer cloth layer 3, wherein the outer cloth layer 3 is arranged outside the body 1;

[0039] The inner tensile support member is integrally formed in the body 1 .

[0040] In this embodiment, the setting of the inner reinforcing ribs 2 can ensure the service life of the entire V-belt; the outer cloth layer 3 can ensure the stability of the entire V-belt, and the setting of the inner tensile support can ensure the tensile strength of the entire V-belt while ensuring the overall performance of the V-belt.

[0041] Embodiment 2:

[0042] This embodiment provides a tensile-resistant V-belt, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0043] The inner tensile support member is formed by connecting a plurality of tensile support sheets 4 end to end, and the tensile support sheets 4 are made of metal or alloy plastic with good elasticity.

[0044] In this embodiment, the inner tensile support member is formed by connecting a plurality of tensile support sheets 4 end to end, so as to facilitate the production and processing of the inner tensile support member, and the tensile support sheet 4 is made of metal or alloy plastic with good elasticity, which can ensure the lateral rigidity of the V-belt while ensuring the overall tensile strength of the V-belt.

[0045] Embodiment 3:

[0046] This embodiment provides a tensile-resistant V-belt, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0047] The tensile support sheet 4 is arc-shaped as a whole and comprises:

[0048] A first connecting portion 4a, wherein the first connecting portion 4a is in the shape of a thin sheet and extends toward the center of the V-belt;

[0049] The tensile support portion 4b is in the form of a thin sheet and extends in a serpentine shape. One end of the tensile support portion 4b is connected to the first connecting portion 4a, and the height of the thin sheet of the tensile support portion 4b extends toward the center of the V-belt.

[0050] The tail connecting portion 4c is in the shape of a thin sheet and connected to the other end of the tensile support portion 4b, and the thin sheet extends toward the center of the V-belt. The serpentine tensile support portion 4b is the shape formed when the tensile support sheet 4 is projected orthographically, and the tensile support sheet 4 is in an arc shape as a whole when viewed from the side wall of the V-belt.

[0051] In this embodiment, the arrangement of the head connection portion 4a and the tail connection portion 4c can facilitate the connection of adjacent tensile support sheets 4; the arrangement of the tensile support portion 4b can ensure the anti-tensile effect of the inner tensile support member, and the serpentine extension structure can improve the overall lateral rigidity of the V-belt, thereby ensuring the overall stability and service life of the V-belt.

[0052] Embodiment 4:

[0053] This embodiment provides a tensile-resistant V-belt, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0054] The front connecting portion 4a and the rear connecting portion 4c are arranged parallel to each other and are no longer on the same straight line, and adjacent tensile support sheets 4 are connected via the front connecting portion 4a and the rear connecting portion 4c.

[0055] In this embodiment, the front connecting portion 4a and the rear connecting portion 4c are arranged parallel to each other and are no longer on the same straight line, thereby ensuring smooth connection of adjacent tensile support sheets 4 and ensuring stability of the overall structure of the inner tensile support member after connection.

[0056] Embodiment 5:

[0057] This embodiment provides a tensile-resistant V-belt, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0058] The inner tensile support member further comprises:

[0059] The connecting bolt connects the head connecting portion 4a and the tail connecting portion 4c of the adjacent tensile support sheets 4.

[0060] In this embodiment, the provision of the connection bolts facilitates the connection of the tensile support sheets 4 and ensures the stability of the connection between adjacent tensile support sheets 4 .

[0061] Embodiment 6:

[0062] This embodiment provides a tensile-resistant V-belt, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0063] The tensile support sheet 4 also includes:

[0064] Connecting notches 4d, two connecting notches 4d are respectively arranged on the front connecting portion 4a and the rear connecting portion 4c;

[0065] The two ends of the connecting bolt are respectively slidably fixed to the connecting notches 4d on the first connecting portion 4a and the tail connecting portion 4c of the adjacent tensile support sheet 4.

[0066] In this embodiment, the setting of the connecting slot 4d can facilitate the connection and fixation of the connecting bolt; and a closing portion is formed in the middle of each connecting slot 4d, and connecting bolts are slidably arranged on both sides of the closing portion, thereby ensuring the stability of the connection between adjacent tensile support sheets 4.

[0067] Embodiment 7:

[0068] This embodiment provides a tensile-resistant V-belt, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0069] The connecting bolt comprises:

[0070] A connecting sleeve 5, wherein a support sheet is formed at one end of the connecting sleeve 5, and a connecting hole is formed through the connecting sleeve 5;

[0071] The connecting nail 6 is inserted into the connecting hole at the end of the connecting sleeve 5 without the supporting sheet and extends to the outside of the supporting sheet to be connected to the supporting sheet by riveting.

[0072] In this embodiment, the cooperation between the connecting sleeve 5 and the connecting nail 6 ensures the stability of the overall structure of the connecting bolt and ensures the stability of the connection between the adjacent tensile support sheets 4.

[0073] The embodiments of the present application are described above in conjunction with the accompanying drawings. In the absence of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

Claims

1. A tensile-resistant V-belt, characterized in that: include: A body (1), wherein the cross section of the body (1) is an isosceles trapezoid and annular; Internal reinforcing ribs (2), wherein a plurality of the internal reinforcing ribs (2) are equidistantly distributed on the upper and lower sides of the body (1); An outer cloth layer (3), wherein the outer cloth layer (3) is arranged outside the body (1); An internal tensile support member, wherein the internal tensile support member is integrally formed in the body (1).

2. The tensile-resistant V-belt according to claim 1, characterized in that: The inner tensile support member is formed by connecting a plurality of tensile support sheets (4) end to end.

3. The tensile-resistant V-belt according to claim 2, characterized in that: The tensile support sheet (4) comprises: A first connecting portion (4a), wherein the first connecting portion (4a) is in the shape of a thin sheet; A tensile support portion (4b), wherein the tensile support portion (4b) is in the form of a thin sheet and extends in a serpentine shape, and one end of the tensile support portion is connected to the first connecting portion (4a); The tail connecting part (4c) is in the shape of a thin sheet and is connected to the other end of the tensile support part (4b).

4. The tensile-resistant V-belt according to claim 3, characterized in that: The front connecting portion (4a) and the rear connecting portion (4c) are arranged parallel to each other and are no longer on the same straight line, and adjacent tensile support sheets (4) are connected via the front connecting portion (4a) and the rear connecting portion (4c).

5. The tensile-resistant V-belt according to claim 4, characterized in that: The inner tensile support member further comprises: A connecting bolt, wherein the connecting bolt connects the head connecting portion (4a) and the tail connecting portion (4c) of adjacent tensile support sheets (4).

6. The tensile-resistant V-belt according to claim 5, characterized in that: The tensile support sheet (4) further comprises: Connecting notches (4d), wherein the two connecting notches (4d) are respectively arranged on the front connecting portion (4a) and the rear connecting portion (4c); The two ends of the connecting bolt are respectively slidably fixed to the connecting notches (4d) on the head connecting portion (4a) and the tail connecting portion (4c) of the adjacent tensile support sheet (4).

7. The tensile-resistant V-belt according to claim 6, characterized in that: The connecting bolt comprises: A connecting sleeve (5), wherein a support sheet is formed at one end of the connecting sleeve (5), and a connecting hole is formed through the connecting sleeve (5); A connecting nail (6) is inserted into the connecting hole of the end of the connecting sleeve (5) without the supporting sheet and extends to the outside of the supporting sheet to be connected to the supporting sheet by riveting.

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