Flange connecting bolt with retaining function

Abstract

The flange connecting bolt with the retaining function comprises a hollow rod piece and a head portion, the hollow rod piece and the head portion are integrally formed, the bottom end of the outer side of the head portion is fixedly connected with a flange plate, the bottom end of the outer side of the hollow rod piece is provided with a threaded section, and stability maintaining notches are formed in the two sides of the threaded section. A stability maintaining assembly is arranged in the hollow rod piece, the stability maintaining assembly is used for forming rotation stopping and limiting of the hollow rod piece, the stability maintaining assembly comprises a linear sliding rod, contact plates, a guide plate, a guide through groove, a guide rod and a linkage plate, the linear sliding rod is fixedly connected to the interior of the hollow rod piece, and the contact plates are slidably connected to the two ends of the outer side of the linear sliding rod; the two contact plates correspond to the two stability maintaining notches respectively. The utility model relates to the technical field of bolts. Through the structural cooperation of the stability maintaining assembly, after the hollow rod piece is installed, rotation stopping limiting of the hollow rod piece can be formed through contact between the contact plate and the inner wall of the installation hole, and the situation that when the hollow rod piece is applied, idling occurs, and consequently returning is caused is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of bolts, in particular to a flange connection bolt with a retreat-stopping function. Background Art

[0002] Flange bolts are made up of a hexagonal head and a flange, and a cylindrical body with external threads. Their "support area to stress area ratio" is greater than that of ordinary bolts, so this type of bolt can withstand higher preloads and is therefore widely used in automotive engines, heavy machinery and other products.

[0003] However, the flange bolts in the conventional technology are prone to rotate in the mounting hole of the equipment when shaken and retreat from the mounting hole.

[0004] To this end, the utility model provides a flange connection bolt with a stop function to solve the above problem. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a flange connection bolt with a stop function, which solves the above problems.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: a flange connecting bolt with a retreat-stop function, comprising a hollow rod and a head, the hollow rod and the head are integrally formed, the bottom end of the outer side of the head is fixedly connected with a flange plate, the bottom end of the outer side of the hollow rod is provided with a threaded section, and stabilization notches are provided on both sides of the threaded section, and a stabilization component is provided inside the hollow rod, and the stabilization component is used to form a rotation-stop limit for the hollow rod.

[0007] Preferably, the stabilization component includes a linear slide rod, a contact plate, a guide plate, a guide slot, a guide rod and a linkage plate. The interior of the hollow rod is fixedly connected to a linear slide rod, and both ends of the outer side of the linear slide rod are slidably connected to the contact plates, and the two contact plates correspond to the two stabilization notches respectively. The two contact plates are fixedly connected to the guide plates on the sides close to each other, and a guide slot is obliquely opened in the middle of the guide plate. The top end of the hollow rod is slidably connected to the guide rod, and the bottom end of the guide rod is fixedly connected to the linkage plate, and the two ends of the linkage plate are movably connected to the inside of the two guide slots.

[0008] Preferably, the stabilization maintenance component also includes a positioning plate, a locking shaft, a positioning block, a limit plate and a coil spring, the top end of the guide rod is fixedly connected to the positioning plate, both ends of the positioning plate are slidably connected to the locking shaft, one end of the locking shaft located outside the positioning plate is fixedly connected to the positioning block, and the end of the locking shaft located inside the positioning plate is fixedly connected to the limit plate, and a coil spring is fixedly connected between the limit plate and the inner wall of the positioning plate, a placement groove is provided at the top of the head, and locking grooves are provided at both ends of the placement groove, and the positioning block is also connected to the locking groove.

[0009] Preferably, an extension seat is fixedly connected to a side of the contact plate away from the stabilizing notch, a through hole is provided at one end of the extension seat, and a clearance fit is formed between the through hole and the linear slide rod.

[0010] Preferably, a non-slip pad is fixedly connected to one side of the contact plate close to the stabilizing notch, and anti-slip grooves are provided on the outer side of the non-slip pad.

[0011] Preferably, both ends of the linkage plate are fixedly connected with guide pins, and the linkage plate is connected to the guide through slots via the guide pins.

[0012] Preferably, a pressure slope is provided at the bottom of one end of the positioning block, and a wear-resistant pad is fixedly connected to the pressure slope.

[0013] Beneficial effects

[0014] The utility model provides a flange connection bolt with a retaining function. Compared with the prior art, it has the following beneficial effects:

[0015] The flange connecting bolt with the anti-retraction function, through the structural coordination of the stabilizing component, can form a rotation stop limit for the hollow rod by utilizing the contact between the contact plate and the inner wall of the mounting hole after the hollow rod is installed, thereby avoiding idling and retreat of the hollow rod when it is used. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the utility model;

[0017] Figure 2 This is a schematic diagram of a half-section structure of the present utility model;

[0018] Figure 3 This is a schematic diagram of the assembly structure of the linear slide bar and the contact plate of the utility model;

[0019] Figure 4 This is a schematic diagram of the internal structure of the positioning plate of the utility model;

[0020] Figure 5 It is a structural diagram of the lock through slot of the utility model.

[0021] In the figure, 1. hollow rod; 2. head; 3. flange; 4. threaded section; 5. stabilizing notch; 6. stabilizing assembly; 7. linear slide; 8. contact plate; 9. guide plate; 10. guide slot; 11. guide rod; 12. linkage plate; 13. positioning plate; 14. locking shaft; 15. positioning block; 16. limit plate; 17. coil spring; 18. placement slot; 19. locking slot. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] See also Figure 1-5 A flange connection bolt with a stop function includes a hollow rod 1 and a head 2. The hollow rod 1 and the head 2 are integrally formed. The bottom end of the outer side of the head 2 is fixedly connected with a flange 3. The bottom end of the outer side of the hollow rod 1 is provided with a threaded section 4. Both sides of the threaded section 4 are provided with a stabilizing notch 5. A stabilizing component 6 is provided inside the hollow rod 1. The stabilizing component 6 is used to form a rotation stop limit for the hollow rod 1.

[0024] The stabilization component 6 includes a linear slide rod 7, a contact plate 8, a guide plate 9, a guide groove 10, a guide rod 11 and a linkage plate 12. The interior of the hollow rod 1 is fixedly connected to the linear slide rod 7, and both ends of the outer side of the linear slide rod 7 are slidably connected to the contact plates 8, and the two contact plates 8 correspond to the two stabilization notches 5 respectively. The two contact plates 8 are fixedly connected to the guide plate 9 on the side close to each other. The middle part of the guide plate 9 is inclined to open a guide groove 10. The top end of the hollow rod 1 is slidably connected to the guide rod 11, and the bottom end of the guide rod 11 is fixedly connected to the linkage plate 12, and the two ends of the linkage plate 12 are movably connected to the inside of the two guide grooves 10 respectively.

[0025] In detail, the contact plate 8 is fixedly connected to an extension seat on the side away from the stabilizing notch 5. A through hole is opened at one end of the extension seat, and there is a clearance fit between the through hole and the linear slide 7. By setting the extension seat, the linear slide 7 can effectively limit the contact plate 8, ensuring the stability of the contact plate 8.

[0026] Here, a non-slip pad is fixedly connected to the side of the contact plate 8 close to the stabilizing notch 5, and the outer side of the non-slip pad is provided with non-slip grooves. By utilizing the arrangement of the non-slip pad and the non-slip grooves, after the contact plate 8 is moved out of the stabilizing notch 5, it can fit tightly with the inner wall of the external mounting hole to prevent the hollow rod 1 from idling.

[0027] In detail, the contact plate 8 is fixedly connected to an extension seat on the side away from the stabilizing notch 5. A through hole is opened at one end of the extension seat, and there is a clearance fit between the through hole and the linear slide 7. By setting the extension seat, the linear slide 7 can effectively limit the contact plate 8, ensuring the stability of the contact plate 8.

[0028] The stabilization component 6 also includes a positioning disk 13, a locking shaft 14, a positioning block 15, a limiting piece 16 and a coil spring 17. The top of the guide rod 11 is fixedly connected to the positioning disk 13, and both ends of the positioning disk 13 are slidably connected to the locking shaft 14. The end of the locking shaft 14 located outside the positioning disk 13 is fixedly connected to the positioning block 15, and the end of the locking shaft 14 located inside the positioning disk 13 is fixedly connected to the limiting piece 16. A coil spring 17 is fixedly connected between the limiting piece 16 and the inner wall of the positioning disk 13. A placement groove 18 is provided at the top of the head 2, and a locking groove 19 is provided at both ends of the placement groove 18, and the positioning block 15 is also connected to the locking groove 19.

[0029] Here, both ends of the linkage plate 12 are fixedly connected with guide pins, and the linkage plate 12 is connected to the guide slot 10 through the guide pins. The setting of the guide pins enables the linkage plate 12 to form an effective connection with the guide slot 10, thereby preventing the linkage plate 12 from being separated from the guide slot 10.

[0030] Preferably, a pressure slope is provided at the bottom of one end of the positioning block 15, and a wear-resistant pad is fixedly connected to the pressure slope. By utilizing the setting of the pressure slope, when the positioning plate 13 moves into the placement groove 18, the positioning block 15 will contact the inner wall of the placement groove 18, and when the positioning plate 13 continues to move, the positioning block 15 will be squeezed by the inner wall of the placement groove 18, causing the positioning block 15 to slide.

[0031] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0032] Working principle: The hollow rod 1 is assembled through the mounting hole of the external equipment, and then the positioning plate 13 is pressed downward to cause the positioning plate 13 to move into the placement groove 18. When the positioning block 15 contacts the inner wall of the placement groove 18, the positioning plate 13 is continued to be pressed. In combination with the structural characteristics of the positioning block 15, the positioning block 15 will be pressed and displaced, and the coil spring 17 will be stretched through the limiting piece 16 until the positioning plate 13 can continue to move downward. When the positioning plate 13 is displaced, the positioning block 15 will be restricted by the inner wall of the placement groove 18. When the positioning block 15 corresponds to the locking groove 19, the coil spring 17 loses its limit, and then the positioning block 15 can be pushed to snap into the locking groove 19, so as to position the positioning plate 13 inside the placement groove 18.

[0033] When the positioning plate 13 moves downward, the linkage plate 12 can be used to move inside the inclined guide groove 10, pushing the contact plate 8 to move out of the stabilizing notch 5 under the limitation of the linear slide rod 7, and fit tightly with the inner wall of the mounting hole, thereby limiting the rotation of the hollow rod 1 and preventing the hollow rod 1 from retreating.

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

[0035] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A flange connection bolt with a retaining function, characterized in that: The invention comprises a hollow rod (1) and a head (2), wherein the hollow rod (1) and the head (2) are integrally formed, the bottom end of the outer side of the head (2) is fixedly connected with a flange (3), the bottom end of the outer side of the hollow rod (1) is provided with a threaded section (4), and both sides of the threaded section (4) are provided with a stabilizing notch (5), and a stabilizing component (6) is provided inside the hollow rod (1), and the stabilizing component (6) is used to form a rotation stop limit of the hollow rod (1).

2. The flange connection bolt with a retaining function according to claim 1, characterized in that: The stabilization component (6) includes a linear slide rod (7), a contact plate (8), a guide plate (9), a guide groove (10), a guide rod (11) and a linkage plate (12). The interior of the hollow rod (1) is fixedly connected to the linear slide rod (7), and both ends of the outer side of the linear slide rod (7) are slidably connected to the contact plates (8), and the two contact plates (8) respectively correspond to the two stabilization notches (5). The two contact plates (8) are fixedly connected to the guide plate (9) on the side close to each other, and the middle part of the guide plate (9) is inclined to open a guide groove (10). The top end of the hollow rod (1) is slidably connected to the guide rod (11), and the bottom end of the guide rod (11) is fixedly connected to the linkage plate (12), and the two ends of the linkage plate (12) are movably connected to the inside of the two guide grooves (10).

3. The flange connection bolt with a retaining function according to claim 2, characterized in that: The stabilization component (6) also includes a positioning disk (13), a locking shaft (14), a positioning block (15), a limiting plate (16) and a coil spring (17). The top of the guide rod (11) is fixedly connected to the positioning disk (13), and both ends of the positioning disk (13) are slidably connected to the locking shaft (14). The end of the locking shaft (14) located outside the positioning disk (13) is fixedly connected to the positioning block (15), and the end of the locking shaft (14) located inside the positioning disk (13) is fixedly connected to the limiting plate (16). A coil spring (17) is fixedly connected between the limiting plate (16) and the inner wall of the positioning disk (13). A placement groove (18) is provided at the top of the head (2), and a locking groove (19) is provided at both ends of the placement groove (18), and the positioning block (15) is also connected to the locking groove (19).

4. The flange connection bolt with a retaining function according to claim 1, characterized in that: An extension seat is fixedly connected to the side of the contact plate (8) away from the stabilizing notch (5), a through hole is provided at one end of the extension seat, and a clearance fit is formed between the through hole and the linear slide rod (7).

5. The flange connection bolt with a retaining function according to claim 2, characterized in that: A non-slip pad is fixedly connected to one side of the contact plate (8) close to the stabilizing notch (5), and the outer side of the non-slip pad is provided with non-slip grooves.

6. The flange connection bolt with a retaining function according to claim 2, characterized in that: Both ends of the linkage plate (12) are fixedly connected with guide pins, and the linkage plate (12) is connected to the guide slot (10) via the guide pins.

7. The flange connection bolt with a retaining function according to claim 3, characterized in that: A pressure slope is provided at the bottom of one end of the positioning block (15), and a wear-resistant pad is fixedly connected to the pressure slope.

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