Anti-breaking device suitable for oil cylinder bolt

Abstract

The utility model discloses an anti-breaking device suitable for an oil cylinder bolt, which comprises a mounting bolt used for being mounted on an oil cylinder. The locking device is used for preventing the oil cylinder bolt from being broken; the sealing device is used for sealing the oil cylinder; the outer surface of the spring is connected with the outer surface of the installation bolt in a sliding mode, and the outer surface of the first nut is fixedly connected with a locking block. According to the device, a locking device is arranged, a rotating mounting bolt enables a positioning sleeve to make contact with a spring, a first nut is rotated to drive a locking block to slide in a locking groove, and the first nut is locked in an inner cavity of a second nut till an elastic pad makes contact with the inner wall of a cylinder body; the function that the first nut and the second nut can be locked conveniently when the bolt is used is achieved, the situation that the bolt is loosened due to the fact that a cylinder body shakes when an oil cylinder is used is avoided, and the anti-breaking purpose is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of oil tank bolts, in particular to an anti-breaking device suitable for oil cylinder bolts. Background Art

[0002] Bolts are cylindrical threaded fasteners that are matched with nuts. They are composed of a head and a screw (a cylinder with external threads). They must be matched with nuts to fasten two parts with through holes. This type of connection is called bolt connection. Bolts are used to install the outer wall of the oil cylinder.

[0003] However, in the prior art, during the use of the traditional anti-breaking device of the oil cylinder bolt, the cylinder body shakes when the oil cylinder is in use, which affects the stability of the bolt root, causing the mounting bolt to loosen and easily break, thereby reducing the stability of the mounting bolt during use and affecting the use of the oil cylinder by personnel. Utility Model Content

[0004] In view of the deficiencies in the prior art, the technical solution adopted by the utility model to solve the technical problems is: a device for preventing the cylinder bolt from breaking, comprising a mounting bolt, the mounting bolt being used to be mounted on the cylinder for use; a locking device, the locking device being threadedly connected to the outer surface of the mounting bolt, the locking device being used to prevent the cylinder bolt from being broken; a sealing device, the sealing device being used to seal the cylinder; the locking device also includes a spring, the outer surface of the spring is slidably connected to the outer surface of the mounting bolt, the outer surface of the mounting bolt is bolted with a first nut, the outer surface of the first nut is fixedly connected with a locking block, the outer surface of the first nut is rotatably connected with a second nut, the locking block on the first nut is first rotated to put it into the locking groove, the first nut is rotated to drive the locking block to slide inside the locking groove, and the first nut is locked in the inner cavity of the second nut.

[0005] Preferably, a locking groove is provided in the wall of the second nut, the inner surface of the locking groove is slidably connected to the outer surface of the second nut, the end of the second nut away from the first nut is fixedly connected to a spring washer, the inner wall of the spring washer is rotatably connected to the outer wall of the mounting bolt, the end of the spring washer away from the second nut is rotatably connected to the cylinder body, and then the first nut on the locking device is tightened, the first nut drives the second nut to rotate along the length direction of the mounting bolt, and the second nut drives the spring washer to approach the static ring seal until the spring washer contacts the inner wall of the cylinder body. Preferably, a dust cover is rotatably connected to the outer surface of the mounting bolt, the end of the dust cover close to the first nut is slidably connected to the outer surface of the cylinder body, and a person rotates the mounting bolt so that the nut on the mounting bolt squeezes the dust cover, and squeezing the dust cover causes the positioning sleeve to fit into the interior of the positioning groove.

[0006] Preferably, the sealing device includes a positioning sleeve, a positioning groove is opened in the wall of the cylinder body, the inner wall of the positioning groove is slidably connected to the outer wall of the positioning sleeve, the inner wall of the positioning sleeve is slidably connected to the outer wall of the spring, the mounting bolt first passes through the inner wall of the dust cover, and then the mounting bolt is inserted into the corresponding positioning groove on the cylinder body, and the rotating mounting bolt makes the positioning sleeve contact with the spring.

[0007] Preferably, the inner wall of the positioning groove is fixedly connected with a static ring sealing ring, the inner wall of the static ring sealing ring is rotatably connected to the outer wall of the spring, the inner cavity of the static ring sealing ring is rotatably connected with a dynamic ring sealing ring, the outer surface of the dynamic ring sealing ring is slidably connected, and the rotation of the mounting bolt drives the dynamic ring sealing ring to rotate, so that the dynamic ring sealing ring on the sealing device rotates in the inner cavity of the static ring sealing ring.

[0008] The beneficial effects of the utility model are as follows:

[0009] 1. The utility model provides a locking device, and the rotating installation bolt makes the positioning sleeve contact with the spring. The first nut is rotated to drive the locking block to slide inside the locking groove, and the first nut is locked in the inner cavity of the second nut. The second nut drives the spring washer to approach the static ring sealing ring until the spring washer contacts the inner wall of the cylinder body, so that the first nut and the second nut can be locked when the bolt is in use, avoiding the situation that the bolt becomes loose due to the shaking of the cylinder body when the oil cylinder is in use, and preventing the bolt from breaking.

[0010] 2. The utility model provides a sealing device, and the mounting bolts are inserted into the corresponding positioning grooves on the cylinder body. The personnel rotate the mounting bolts so that the nuts on the mounting bolts squeeze the dust cover, and the dust cover is squeezed so that the positioning sleeve is stuck into the interior of the positioning groove. The rotation of the mounting bolts drives the dynamic ring sealing ring to rotate, so that the dynamic ring sealing ring rotates in the inner cavity of the static ring sealing ring, and the connection between the oil cylinder and the mounting bolts is sealed to prevent the oil in the cylinder from leaking when the bolts are loosened. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is the front view of the utility model;

[0012] Figure 2 It is a cross-sectional view of the utility model;

[0013] Figure 3 It is a schematic diagram of the structure of the utility model at A;

[0014] Figure 4 It is a schematic diagram of the structure of the mounting bolt and its exterior of the utility model;

[0015] Figure 5 It is a structural schematic diagram of the first nut and its exterior of the utility model.

[0016] In the figure: 1. cylinder body; 2. mounting bolts; 3. locking device; 4. sealing device; 5. dust cover; 6. positioning sleeve; 7. positioning groove; 8. spring; 9. dynamic ring seal; 10. static ring seal; 11. first nut; 12. locking block; 13. second nut; 14. locking groove; 15. spring washer. DETAILED DESCRIPTION

[0017] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and design various embodiments with various modifications suitable for specific purposes.

[0018] Example:

[0019] See also Figure 1 - Figure 5 The utility model provides a technical solution: an anti-breaking device suitable for a cylinder bolt, comprising a mounting bolt 2, the mounting bolt 2 being used to be mounted on the cylinder for use; a locking device 3, the locking device 3 being threadedly connected to the outer surface of the mounting bolt 2, the locking device 3 being used to prevent the cylinder bolt from being broken; a sealing device 4, the sealing device 4 being used to seal the cylinder; the locking device 3 also includes a spring 8, the outer surface of the spring 8 is slidably connected to the outer surface of the mounting bolt 2, the outer surface of the mounting bolt 2 is bolted with a first nut 11, the outer surface of the first nut 11 is fixedly connected with a locking block 12, the outer surface of the first nut 11 is rotatably connected with a second nut 13, a locking groove 14 is provided in the wall of the second nut 13, the inner surface of the locking groove 14 is slidably connected with the outer surface of the second nut 13, the end of the second nut 13 away from the first nut 11 is fixedly connected with a spring washer 15, the inner wall of the spring washer 15 is rotatably connected to the outer wall of the mounting bolt 2, and the end of the spring washer 15 away from the second nut 13 is rotatably connected with the cylinder body 1.

[0020] The outer surface of the mounting bolt 2 is rotatably connected with a dust cover 5, and one end of the dust cover 5 close to the first nut 11 is slidably connected with the outer surface of the cylinder body 1. The sealing device 4 includes a positioning sleeve 6, and a positioning groove 7 is opened in the wall of the cylinder body 1. The inner wall of the positioning groove 7 is slidably connected with the outer wall of the positioning sleeve 6, and the inner wall of the positioning sleeve 6 is slidably connected with the outer wall of the spring 8. The inner wall of the positioning groove 7 is fixedly connected with a static ring sealing ring 10, and the inner wall of the static ring sealing ring 10 is rotatably connected with the outer wall of the spring 8. The inner cavity of the static ring sealing ring 10 is rotatably connected with a dynamic ring sealing ring 9, and the outer surface of the dynamic ring sealing ring 9 is slidably connected.

[0021] Working principle:

[0022] When in use, the mounting bolt 2 first passes through the inner wall of the dust cover 5, and then the mounting bolt 2 is inserted into the corresponding positioning groove 7 on the cylinder body 1. The person rotates the mounting bolt 2 so that the nut on the mounting bolt 2 squeezes the dust cover 5, and the positioning sleeve 6 is clamped into the interior of the positioning groove 7 by squeezing the dust cover 5. The rotating mounting bolt 2 makes the positioning sleeve 6 contact with the spring 8, and the rotation of the mounting bolt 2 drives the dynamic ring sealing ring 9 to rotate, so that the dynamic ring sealing ring 9 on the sealing device 4 rotates in the inner cavity of the static ring sealing ring 10;

[0023] First, rotate the locking block 12 on the first nut 11 and put it into the locking groove 14. Rotate the first nut 11 to drive the locking block 12 to slide inside the locking groove 14, and lock the first nut 11 in the inner cavity of the second nut 13. Then tighten the first nut 11 on the locking device 3. The first nut 11 drives the second nut 13 to rotate along the length direction of the mounting bolt 2. The second nut 13 drives the spring washer 15 to approach the static ring seal 10 until the spring washer 15 contacts the inner wall of the cylinder body 1.

[0024] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. Structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to conventional means in the field unless otherwise specified and limited.

Claims

1. An anti-breaking device for oil cylinder bolts, comprising: A mounting bolt (2), wherein the mounting bolt (2) is used for mounting on the oil cylinder; A locking device (3), the locking device (3) being threadedly connected to the outer surface of the mounting bolt (2), the locking device (3) being used to prevent the cylinder bolt from being broken; A sealing device (4), wherein the sealing device (4) is used for sealing the oil cylinder; Features: The locking device (3) also includes a spring (8), the outer surface of the spring (8) is slidably connected to the outer surface of the mounting bolt (2), the outer surface of the mounting bolt (2) is bolted with a first nut (11), the outer surface of the first nut (11) is fixedly connected to a locking block (12), and the outer surface of the first nut (11) is rotatably connected to a second nut (13).

2. The anti-breaking device for cylinder bolts according to claim 1, characterized in that: A locking groove (14) is provided in the wall of the second nut (13), and the inner surface of the locking groove (14) is slidably connected to the outer surface of the second nut (13).

3. The anti-breaking device for cylinder bolts according to claim 2, characterized in that: The end of the second nut (13) away from the first nut (11) is fixedly connected to a spring washer (15), the inner wall of the spring washer (15) is rotatably connected to the outer wall of the mounting bolt (2), and the end of the spring washer (15) away from the second nut (13) is rotatably connected to the cylinder body (1).

4. The anti-breaking device for cylinder bolts according to claim 1, characterized in that: The outer surface of the mounting bolt (2) is rotatably connected to a dust cover (5), and one end of the dust cover (5) close to the first nut (11) is slidably connected to the outer surface of the cylinder body (1).

5. The anti-breaking device for cylinder bolts according to claim 4, characterized in that: The sealing device (4) comprises a positioning sleeve (6), a positioning groove (7) is provided in the wall of the cylinder body (1), the inner wall of the positioning groove (7) is slidably connected to the outer wall of the positioning sleeve (6), and the inner wall of the positioning sleeve (6) is slidably connected to the outer wall of the spring (8).

6. The anti-breaking device for cylinder bolts according to claim 5, characterized in that: The inner wall of the positioning groove (7) is fixedly connected to a stationary ring seal (10), the inner wall of the stationary ring seal (10) is rotatably connected to the outer wall of the spring (8), the inner cavity of the stationary ring seal (10) is rotatably connected to a dynamic ring seal (9), and the outer surface of the dynamic ring seal (9) is slidably connected.

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