Tensioning rod

Abstract

The utility model discloses a tensioning rod, which comprises a main body component, a tensioning component and a tensioning component, and the main body component comprises a ball cover, a ball seat and a steel ball; the ball cover is attached to the ball seat, and the steel ball is placed between the ball cover and the ball seat; the saving assembly comprises a third through hole, a fixing ring, an adjusting ring, a wear-resistant pad and an inner hexagonal hole; the third through hole is formed in the side edge of the spherical cover, the fixing ring is welded in the spherical cover and located on the outer side of the third through hole, the adjusting ring is connected into the fixing ring in a threaded mode, the abrasion-resistant pad is attached to the side edge of the adjusting ring and located in the third through hole, and the inner hexagonal hole is formed in the end, away from the abrasion-resistant pad, of the adjusting ring. The problems that when a tensioning rod body moves up and down, steel balls in a ball cover and a ball seat are driven to move up and down, entering of oil can be controlled, however, after long-term use, the ball cover and the ball seat are impacted by the steel balls, the contact faces are abraded, the fit clearance is increased due to abrasion, the motion precision of the tensioning rod is reduced, and the maintenance cost is increased due to frequent replacement are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of oil taking components on engines, in particular to a tensioning rod. Background Art

[0002] A tension rod used in the oil extraction component on the engine. Its function is to maintain close contact between the oil extraction component and the engine to ensure normal operation. It is mainly composed of a tension rod body, a ball cover, a ball seat and a steel ball.

[0003] However, it still has the following disadvantages in actual use:

[0004] When the tension rod moves up and down, it drives the steel ball in the ball cover and the ball seat to move up and down, which can control the entry of oil. However, after long-term use, the ball cover and the ball seat are hit by the steel ball, and the contact surface is worn. The wear will cause the matching clearance to increase, which will reduce the movement accuracy of the tension rod. Frequent replacement will increase maintenance costs. Utility Model Content

[0005] The purpose of the utility model is to provide a tensioning rod to solve the problem raised in the above-mentioned background technology that when the tensioning rod body moves up and down, it drives the steel balls in the ball cover and the ball seat to move up and down, which can control the entry of oil, but after long-term use, the ball cover and the ball seat are hit by the steel ball, and the contact surface is worn. The wear will cause the matching clearance to increase, so that the movement accuracy of the tensioning rod is reduced, and frequent replacement will increase the maintenance cost.

[0006] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0007] The utility model is a tension rod, comprising:

[0008] A main body assembly, the main body assembly comprising a ball cover;

[0009] A saving component, the saving component comprising a third through hole, a fixing ring, an adjusting ring, a wear pad and a hexagon socket hole;

[0010] The third through hole is opened on the side of the ball cover, the fixing ring is welded inside the ball cover and located outside the third through hole, the adjusting ring is screwed inside the fixing ring, the wear-resistant pad is fitted on the side of the adjusting ring and located in the third through hole, and the hexagonal hole is opened at one end of the adjusting ring away from the wear-resistant pad.

[0011] Furthermore, the main body assembly also includes a tensioning rod and a through hole;

[0012] The through hole is arranged inside the tensioning rod body and penetrates the tensioning rod body.

[0013] Furthermore, the main body assembly further includes a first through hole, an oil inlet hole and a mounting groove;

[0014] The first through hole is formed at one end of the tension rod body, the oil inlet hole is formed at the middle of the tension rod body, and the mounting groove is formed at one end of the tension rod body away from the first through hole.

[0015] Furthermore, the main body assembly also includes a ball seat and a steel ball;

[0016] The ball seat is clamped at the innermost end of the installation groove, the ball cover is fitted with the ball seat, and the steel ball is placed between the ball cover and the ball seat.

[0017] Furthermore, the main body component also includes a second through hole, which is opened in the middle of the side of the ball seat, and second through holes of the same size are opened in the middle of the adjustment ring and the wear-resistant pad.

[0018] Further, it also includes a connection component;

[0019] The connecting assembly comprises an annular groove and an annular clamping block;

[0020] The annular groove is arranged at one end of the adjusting ring close to the wear-resistant pad, the annular clamping block is injection-molded and connected to one end of the wear-resistant pad close to the adjusting ring, and the annular clamping block is clamped in the annular groove.

[0021] Compared with the prior art, the advantages of the present invention are:

[0022] 1. The utility model, through the setting of the saving component, sets the third through hole and the fixing ring on the ball cover, pushes the wear-resistant pad into the ball seat through the connected adjusting ring to compensate for the wear gap, and the hexagonal hole is provided to facilitate the rotation of the adjusting ring. This setting can reduce the replacement frequency and save costs.

[0023] Second, the utility model can quickly replace the wear-resistant pads through the provided connection components, the provided annular grooves and the annular clamping blocks. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0025] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0026] Figure 2 This is a schematic diagram of the interior of the tension rod of the utility model;

[0027] Figure 3 This is a schematic diagram of the interior of the ball cover of the utility model;

[0028] Figure 4 This is a schematic diagram of the ball cover structure of the utility model;

[0029] Figure 5 This is a schematic diagram of the ball seat and steel ball structure of the utility model;

[0030] Figure 6 This is a schematic diagram of the structure of the connection component of the utility model from the first perspective;

[0031] Figure 7 This is a structural schematic diagram of the connecting component of the utility model from a second viewing angle.

[0032] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0033] 10. Tension rod; 11. First through hole; 12. Oil inlet hole; 13. Through hole; 14. Mounting groove; 15. Ball cover; 16. Ball seat; 17. Second through hole; 18. Steel ball; 20. Third through hole; 21. Fixed ring; 22. Adjusting ring; 23. Wear pad; 24. Hexagon socket hole; 30. Annular groove; 31. Annular block. DETAILED DESCRIPTION

[0034] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0035] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific implementation methods disclosed below.

[0036] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0037] See also Figure 1-5 As shown, this embodiment is a tension rod, comprising:

[0038] A main body component, the main body component includes a ball cover 15;

[0039] The ball cover 15 serves as a limiter;

[0040] A saving component, the saving component comprises a third through hole 20, a fixing ring 21, an adjusting ring 22, a wear pad 23 and a hexagonal hole 24;

[0041] The third through hole 20 is provided on the side of the ball cover 15, the fixing ring 21 is welded inside the ball cover 15 and is located outside the third through hole 20, the adjusting ring 22 is screwed inside the fixing ring 21, the wear pad 23 is attached to the side of the adjusting ring 22 and is located inside the third through hole 20, and the hexagonal hole 24 is provided at one end of the adjusting ring 22 away from the wear pad 23;

[0042] The third through hole 20 and the fixing ring 21 play a connecting role, the adjusting ring 22 plays an adjusting role, the wear-resistant pad 23 can increase the service life of the adjusting ring 22, and the hexagonal hole 24 is convenient for rotating the adjusting ring 22;

[0043] The main assembly also includes a tension rod 10 and a through hole 13;

[0044] The through hole 13 is formed inside the tension rod body 10 and penetrates the tension rod body 10;

[0045] The through hole 13 provides a space for oil flow;

[0046] The main body assembly further includes a first through hole 11, an oil inlet hole 12 and a mounting groove 14;

[0047] The first through hole 11 is formed at one end of the tension rod body 10, the oil inlet hole 12 is formed at the middle of the tension rod body 10, and the mounting groove 14 is formed at one end of the tension rod body 10 away from the first through hole 11;

[0048] The first through hole 11 is used to fix the tension rod 10, the oil inlet hole 12 facilitates the oil to enter the through hole 13, and the mounting groove 14 is used to install the ball cover 15 and the ball seat 16;

[0049] The main assembly also includes a ball seat 16 and a steel ball 18;

[0050] The ball seat 16 is engaged with the innermost end of the mounting groove 14, the ball cover 15 is fitted with the ball seat 16, and the steel ball 18 is placed between the ball cover 15 and the ball seat 16;

[0051] The ball cover 15, the ball seat 16 and the steel ball 18 form a device for opening and closing the oil;

[0052] The main body assembly also includes a second through hole 17, which is opened in the middle of the side of the ball seat 16, and the middle of the adjustment ring 22 and the wear pad 23 are provided with a second through hole 17 of the same size;

[0053] The movement of the steel ball 18 can open and close the wear-resistant pad 23 and the second through hole 17 on the ball seat 16.

[0054] Working principle:

[0055] The wear-resistant pad 23 is attached to the adjusting ring 22, and the adjusting ring 22 is screwed into the fixing ring 21 until the front end of the wear-resistant pad 23 is flush with the outer side of the third through hole 20;

[0056] The tension rod 10 moves up and down, driving the ball cover 15 and the steel ball 18 in the ball seat 16 to move up and down, so that the steel ball 18 moves up and down, and the second through hole 17 on the wear-resistant pad 23 and the second through hole 17 on the ball seat 16 are opened and closed;

[0057] After the tension rod 10 is used for a period of time, the steel ball 18 causes a certain amount of wear on the wear-resistant pad 23;

[0058] At this time, take out the tension rod 10 , insert a hexagonal wrench into the hexagonal hole 24 and screw the adjusting ring 22 to move the wear-resistant pad 23 forward until the wear surface of the wear-resistant pad 23 is flush with the third through hole 20 .

[0059] This step can reduce the replacement frequency of the ball cover 15 and save the use cost.

[0060] See also Figure 6-7 This embodiment is based on the above embodiment 1 and further includes:

[0061] A connecting assembly, the connecting assembly comprises an annular groove 30 and an annular clamping block 31;

[0062] The annular groove 30 is formed at one end of the adjusting ring 22 close to the wear-resistant pad 23, and the annular clamping block 31 is injection-molded and connected to one end of the wear-resistant pad 23 close to the adjusting ring 22, and the annular clamping block 31 is clamped in the annular groove 30;

[0063] The annular groove 30 and the annular clamping block 31 play a connecting role.

[0064] Working principle:

[0065] When the wear-resistant pad 23 is worn out too much, it needs to be replaced with a new one. At this time, the old wear-resistant pad 23 can be buckled, and the new wear-resistant pad 23 can be held and the annular block 31 can be forcefully inserted into the annular groove 30.

[0066] In this step, the wear-resistant pad 23 can be quickly replaced with a new one.

[0067] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0068] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A tension rod, characterized in that: include: A main body component, the main body component comprising a ball cover (15); A saving component, the saving component comprising a third through hole (20), a fixing ring (21), an adjusting ring (22), a wear-resistant pad (23) and a hexagonal socket hole (24); The third through hole (20) is formed on the side of the ball cover (15); the fixing ring (21) is welded inside the ball cover (15) and is located outside the third through hole (20); the adjusting ring (22) is screwed into the fixing ring (21); the wear-resistant pad (23) is attached to the side of the adjusting ring (22) and is located in the third through hole (20); and the hexagonal hole (24) is formed at one end of the adjusting ring (22) away from the wear-resistant pad (23).

2. A tension rod according to claim 1, characterized in that: The main body assembly also includes a tensioning rod (10) and a through hole (13); The through hole (13) is formed inside the tensioning rod body (10) and penetrates the tensioning rod body (10).

3. A tension rod according to claim 2, characterized in that: The main body assembly further comprises a first through hole (11), an oil inlet hole (12) and a mounting groove (14); The first through hole (11) is formed at one end of the tensioning rod body (10), the oil inlet hole (12) is formed at the middle of the tensioning rod body (10), and the mounting groove (14) is formed at an end of the tensioning rod body (10) away from the first through hole (11).

4. A tension rod according to claim 3, characterized in that: The main body assembly also includes a ball seat (16) and a steel ball (18); The ball seat (16) is engaged with the innermost end of the mounting groove (14), the ball cover (15) is fitted with the ball seat (16), and the steel ball (18) is placed between the ball cover (15) and the ball seat (16).

5. A tension rod according to claim 4, characterized in that: The main body component further comprises a second through hole (17), the second through hole (17) being opened in the middle of the side of the ball seat (16), and second through holes (17) of the same size being opened in the middle of the adjustment ring (22) and the wear-resistant pad (23).

6. A tension rod according to claim 1, characterized in that: Also included are connection components; The connecting assembly comprises an annular groove (30) and an annular clamping block (31); The annular groove (30) is formed at one end of the adjusting ring (22) close to the wear-resistant pad (23), the annular clamping block (31) is injection-moldedly connected to one end of the wear-resistant pad (23) close to the adjusting ring (22), and the annular clamping block (31) is clamped in the annular groove (30).

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