Adjustable connecting rod mechanism for carrying equipment

Abstract

The utility model relates to the technical field of connecting rod mechanisms for carrying equipment, and discloses an adjustable connecting rod mechanism for carrying equipment, which comprises a long rod, the surface of the long rod is fixedly connected with a cylinder, the upper side and the lower side of the cylinder are respectively provided with a round hole, and the inner wall of each round hole is provided with a rotating support in an attached manner. And the right side of the rotating support is fixedly connected with the left side of a long rod, a first bevel gear is fixedly connected to the surface of the rotating support, a second cylinder is arranged on the inner wall of the cylinder, and a connecting rod head is fixedly connected to the left side of the second cylinder. According to the utility model, the hollow stud and the nut are arranged in the cylinder, and the round hole, the second cylinder and the long rod are matched, so that dust or steam in the air cannot enter the joint between the hollow stud and the nut, and the joint between the hollow stud and the nut is not easy to be stuck due to dust entering or rusting caused by damp; therefore, the connecting rod mechanism is more convenient to adjust.

Description

Technical Field

[0001] The utility model relates to the technical field of connecting rod mechanisms for handling equipment, in particular to an adjustable connecting rod mechanism for handling equipment. Background Art

[0002] Handling equipment refers to machinery used to move, lift, load and unload materials or goods over short distances. Loading and unloading equipment is the basis for mechanization of loading and unloading operations and is an important mechanical equipment in logistics equipment.

[0003] At present, most of the connecting rod mechanisms on the market can adjust the length of the connecting rod mechanism as needed through the cooperation of studs and nuts. For example, China CN203451169U discloses a long connecting rod structure for a pallet truck. However, since the studs and nuts are exposed to the air, the connection between the studs and the nuts is easily stuck due to dust, moisture, and rust, which makes the connecting rod mechanism more troublesome to adjust. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art. For example, at present, most of the connecting rod mechanisms on the market can adjust the length of the connecting rod mechanism as needed through the cooperation of studs and nuts, but because the studs and nuts are exposed to the air, the connection between the studs and the nuts is easily stuck due to dust or moisture and rust, which makes the connecting rod mechanism more troublesome to adjust. An adjustable connecting rod mechanism for handling equipment is proposed.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] The adjustable connecting rod mechanism for handling equipment comprises a long rod, a cylinder is fixedly connected to the surface of the long rod, circular holes are opened on the upper and lower sides of the cylinder, a rotating bracket is fittedly arranged on the inner wall of the circular hole, the right side of the rotating bracket is fixedly connected to the left side of the long rod, a first bevel gear is fixedly connected to the surface of the rotating bracket, a second cylinder is arranged on the inner wall of the cylinder, a connecting rod head is fixedly connected to the left side of the second cylinder, a circular groove is opened on the right side of the second cylinder, an adjusting bracket is fittedly arranged on the inner wall of the circular groove, the right side of the second cylinder and the inner wall of the cylinder are both fixedly connected to the surface of the adjusting bracket, a second bevel gear is fixedly connected to the surface of the adjusting bracket, the second bevel gear and the first bevel gear are meshed with each other, a guide groove is opened on the surface of the second cylinder, a guide column is fixedly connected to the inner wall of the cylinder, and the surface of the guide column contacts the inner wall of the guide groove.

[0007] Preferably, the rotating bracket includes a first cylinder, the surface of the first cylinder contacts the inner wall of the circular hole, the surface of the first cylinder is fixedly connected to a first bearing, the surface of the first bearing and the left side of the long rod are fixedly connected to a connecting block, cross grooves are provided on the upper and lower sides of the first cylinder, and the surface of the first cylinder is fixedly connected to the inner wall of the first bevel gear.

[0008] Preferably, the adjustment bracket includes a hollow stud, the surface of the hollow stud contacts the inner wall of the circular groove, the surface of the hollow stud is threadedly connected to a nut, the left side of the nut is fixedly connected to the right side of the second cylinder, the surface of the hollow stud is fixedly connected to a second bearing, the surface of the second bearing and the inner wall of the cylinder are fixedly connected with a connecting ring, and the surface of the hollow stud is fixedly connected to the inner wall of the second bevel gear.

[0009] Preferably, the left side of the cylinder and the right side of the connecting rod head are both fixedly connected with elastic bellows.

[0010] Preferably, an elastic rubber sleeve is sleeved on the surface of the cylinder, an elastic ring is bonded to the inner wall of the elastic rubber sleeve, an annular groove is opened on the surface of the cylinder, and the inner wall of the annular groove contacts the surface of the elastic ring.

[0011] Preferably, the center of the elastic rubber sleeve and the center of the circular hole are on the same vertical line.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] (1) The utility model arranges the hollow stud and the nut in the cylinder, and cooperates with the round hole, the second cylinder and the long rod to prevent dust or moisture in the air from entering the connection between the hollow stud and the nut, thereby making the connection between the hollow stud and the nut less likely to get stuck due to dust or moisture and rust, thereby making the connecting rod mechanism more convenient to adjust.

[0014] (2) The utility model can clamp the elastic rubber sleeve on the cylinder through the cooperation of the elastic ring and the annular groove, and seal the circular hole on the cylinder through the elastic rubber sleeve, so that dust and moisture in the air cannot enter the circular hole, so that the first cylinder in the circular hole is not easily stuck due to dust or moisture and rust. At the same time, the surface of the second cylinder can be protected by the elastic bellows, so that the connection between the second cylinder and the cylinder is not easily stuck due to dust or moisture and rust. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a front view of the structure of the utility model;

[0017] Figure 3 It is a top view of the cylinder in the utility model;

[0018] Figure 4 This is a bottom view of the rotating bracket in the utility model;

[0019] Figure 5 It is a right side view of the second cylinder in the utility model;

[0020] Figure 6 It is a schematic diagram of the adjustment bracket in the utility model;

[0021] Figure 7 It is a right side view of the elastic rubber in the utility model.

[0022] In the figure: 1. long rod; 2. cylinder; 3. round hole; 4. rotating bracket; 41. first cylinder; 42. first bearing; 43. connecting block; 44. cross groove; 5. first bevel gear; 6. second cylinder; 7. connecting rod head; 8. round groove; 9. adjusting bracket; 91. hollow stud; 92. nut; 93. second bearing; 94. connecting ring; 10. second bevel gear; 11. guide groove; 12. guide column; 13. elastic bellows; 14. elastic rubber sleeve; 15. elastic ring; 16. annular groove. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0025] Embodiment 1:

[0026] Reference Figure 1-6The adjustable connecting rod mechanism for handling equipment comprises a long rod 1, a cylinder 2 is fixedly connected to the surface of the long rod 1, a circular hole 3 is provided on the upper and lower sides of the cylinder 2, a rotating bracket 4 is fitted on the inner wall of the circular hole 3, the right side of the rotating bracket 4 is fixedly connected to the left side of the long rod 1, a first bevel gear 5 is fixedly connected to the surface of the rotating bracket 4, a second cylinder 6 is provided on the inner wall of the cylinder 2, a connecting rod head 7 is fixedly connected to the left side of the second cylinder 6, a circular groove 8 is provided on the right side of the second cylinder 6, and the inner wall of the circular groove 8 is fitted with An adjusting bracket 9 is provided, the right side of the second cylinder 6 and the inner wall of the cylinder 2 are fixedly connected to the surface of the adjusting bracket 9, the surface of the adjusting bracket 9 is fixedly connected to the second bevel gear 10, the second bevel gear 10 is meshed with the first bevel gear 5, a guide groove 11 is provided on the surface of the second cylinder 6, a guide column 12 is fixedly connected to the inner wall of the cylinder 2, the surface of the guide column 12 is in contact with the inner wall of the guide groove 11, and the second cylinder 6 cannot rotate in the cylinder 2 through the cooperation of the guide column 12 and the guide groove 11.

[0027] The rotating bracket 4 includes a first cylinder 41, the surface of the first cylinder 41 contacts the inner wall of the circular hole 3, the surface of the first cylinder 41 is fixedly connected to the first bearing 42, the surface of the first bearing 42 and the left side of the long rod 1 are fixedly connected to the connecting block 43, the upper and lower sides of the first cylinder 41 are provided with a cross groove 44, the surface of the first cylinder 41 is fixedly connected to the inner wall of the first bevel gear 5, and by arranging the cross groove 44 on the first cylinder 41, the user can use a screwdriver to rotate the first cylinder 41.

[0028] The adjusting bracket 9 includes a hollow stud 91, the surface of which contacts the inner wall of the circular groove 8, a nut 92 is threadedly connected to the surface of the hollow stud 91, the left side of the nut 92 is fixedly connected to the right side of the second cylinder 6, a second bearing 93 is fixedly connected to the surface of the hollow stud 91, a connecting ring 94 is fixedly connected to the surface of the second bearing 93 and the inner wall of the cylinder 2, the surface of the hollow stud 91 is fixedly connected to the inner wall of the second bevel gear 10, and when the first cylinder 41 rotates, the first bevel gear 5 and the second bevel gear 10 cooperate to make the hollow stud 91 rotate with the first cylinder 41, and at the same time, when the hollow stud 91 rotates, the second cylinder 6 moves left or right in the cylinder 2 through the cooperation of the hollow stud 91 and the nut 92.

[0029] Embodiment 2:

[0030] Reference Figure 1-7 The left side of the cylinder 2 and the right side of the connecting rod head 7 are fixedly connected with an elastic bellows 13, through which the surface of the second cylinder 6 can be protected, so that the connection between the second cylinder 6 and the cylinder 2 is not easily stuck due to dust or moisture and rust.

[0031] An elastic rubber sleeve 14 is sleeved on the surface of the cylinder 2, and the center of the elastic rubber sleeve 14 is on the same vertical line as the center of the circular hole 3. An elastic ring 15 is bonded to the inner wall of the elastic rubber sleeve 14. An annular groove 16 is provided on the surface of the cylinder 2, and the inner wall of the annular groove 16 contacts the surface of the elastic ring 15. Through the cooperation of the elastic ring 15 and the annular groove 16, the elastic rubber sleeve 14 can be clamped on the cylinder 2, and the circular hole 3 on the cylinder 2 is sealed by the elastic rubber sleeve 14, so that dust and moisture in the air cannot enter the circular hole 3, so that the first cylinder 41 in the circular hole 3 is not easy to get stuck due to dust or moisture and rust.

[0032] In the utility model, when adjusting the length of the connecting rod mechanism, the user first pushes the elastic rubber sleeve 14 to make the elastic rubber sleeve 14 staggered with the circular hole 3, then inserts a screwdriver into the cross slot 44, and rotates the first cylinder 41 by the screwdriver. At this time, through the cooperation of the first bevel gear 5 and the second bevel gear 10, the hollow stud 91 rotates, and through the cooperation of the hollow stud 91 and the nut 92, the second cylinder 6 moves leftward or rightward in the cylinder 2, and at this time, the length of the connecting rod mechanism can be changed.

[0033] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

Claims

1. An adjustable connecting rod mechanism for a handling device, comprising a long rod (1), characterized in that: The surface of the long rod (1) is fixedly connected to a cylinder (2), and circular holes (3) are provided on both the upper and lower sides of the cylinder (2). A rotating bracket (4) is fitted on the inner wall of the circular hole (3). The right side of the rotating bracket (4) is fixedly connected to the left side of the long rod (1). The surface of the rotating bracket (4) is fixedly connected to a first bevel gear (5). A second cylinder (6) is provided on the inner wall of the cylinder (2), and a connecting rod head (7) is fixedly connected to the left side of the second cylinder (6). A circular groove (8) is provided on the right side of the second cylinder (6), and an adjusting bracket (9) is fitted on the inner wall of the circular groove (8). The right side of the second cylinder (6) and the inner wall of the cylinder (2) are both connected to the adjusting bracket. The surface of the adjusting bracket (9) is fixedly connected, the surface of the adjusting bracket (9) is fixedly connected with a second bevel gear (10), the second bevel gear (10) and the first bevel gear (5) are meshed with each other, the surface of the second cylinder (6) is provided with a guide groove (11), the inner wall of the cylinder (2) is fixedly connected with a guide column (12), the surface of the guide column (12) is in contact with the inner wall of the guide groove (11), the surface of the cylinder (2) is sleeved with an elastic rubber sleeve (14), the inner wall of the elastic rubber sleeve (14) is bonded with an elastic ring (15), the surface of the cylinder (2) is provided with an annular groove (16), the inner wall of the annular groove (16) is in contact with the surface of the elastic ring (15).

2. The adjustable link mechanism for handling equipment according to claim 1, characterized in that: The rotating bracket (4) comprises a first cylinder (41), the surface of the first cylinder (41) contacts the inner wall of the circular hole (3), the surface of the first cylinder (41) is fixedly connected to a first bearing (42), the surface of the first bearing (42) and the left side of the long rod (1) are fixedly connected to a connecting block (43), the upper and lower sides of the first cylinder (41) are both provided with cross grooves (44), and the surface of the first cylinder (41) is fixedly connected to the inner wall of the first bevel gear (5).

3. The adjustable link mechanism for handling equipment according to claim 1, characterized in that: The adjusting bracket (9) comprises a hollow stud (91), the surface of the hollow stud (91) contacts the inner wall of the circular groove (8), a nut (92) is threadedly connected to the surface of the hollow stud (91), the left side of the nut (92) is fixedly connected to the right side of the second cylinder (6), the surface of the hollow stud (91) is fixedly connected to the second bearing (93), the surface of the second bearing (93) and the inner wall of the cylinder (2) are both fixedly connected to a connecting ring (94), and the surface of the hollow stud (91) is fixedly connected to the inner wall of the second bevel gear (10).

4. The adjustable link mechanism for handling equipment according to claim 1, characterized in that: The left side of the cylinder (2) and the right side of the connecting rod head (7) are both fixedly connected with an elastic bellows (13).

5. The adjustable link mechanism for handling equipment according to claim 1, characterized in that: The center of the elastic rubber sleeve (14) and the center of the circular hole (3) are on the same vertical line.

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