Positioning and connecting long bolt

Abstract

The utility model relates to the field of coking production devices, and discloses a positioning connection long bolt which comprises a body, a tailstock is arranged at the upper end of the body, a sinking groove is formed in the center of the upper end face of the tailstock, a tightening hole is formed in the center of the lower inner wall of the sinking groove, and a wear-resistant layer is arranged on the inner side wall of the tightening hole. Positioning structures are arranged at the centers of the two side walls of the body respectively, and cleaning structures are arranged at the positions, close to the lower ends, of the centers of the side walls of the body. According to the utility model, the positioning structure can be used for auxiliary installation during installation, the situation that the bolt falls off when the bolt is not screwed up can be avoided, and meanwhile, the cleaning structure can be used for scraping dust on the inner side wall of the installation hole, so that the service life of the bolt is prolonged. And chippings stored in the scraping groove can be removed through cooperation between the shifting top plate and the scraping groove, the strength of the tightening hole during tightening can be improved through the arrangement of the wear-resisting layer, and the risk that tightening is not tight is avoided.

Description

Technical Field

[0001] The utility model relates to the field of coking production equipment, in particular to a positioning connecting long bolt. Background Art

[0002] A locating bolt is a bolt used to connect and fix mechanical parts. It is designed to achieve precise positioning and fixing functions, while a locating long bolt is a specially designed bolt that is usually used in applications where a longer connection is required and positioning is required. Its working principle is similar to that of a normal bolt, but it has additional functions and features.

[0003] However, the existing positioning bolts still have some shortcomings and areas for improvement during actual use. Due to the problem of end tightening specifications during use, the existing long bolts are easy to cause the tightening position to loosen after long-term use, thus affecting normal use. At the same time, if the long bolts are not tightened in place, it is easy to cause the long bolts to loosen, and when dust is stored in the connecting hole and is brought out or pressed against the inside of the connecting hole, it is inconvenient to clean. Therefore, technicians in this field provide a positioning connecting long bolt to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art, and a positioning connecting long bolt is proposed. By setting a positioning structure, the auxiliary installation function can be performed during installation, so as to avoid the bolt from falling off when it is not tightened. At the same time, by setting a cleaning structure, the dust on the inner wall of the installation hole can be scraped off to avoid damage to the thread. At the same time, the debris collected in the scraping groove can be cleared by moving the top plate and the scraping groove. In addition, by setting a wear-resistant layer, the strength of the tightening hole can be improved when tightening, so as to avoid the risk of not tightening.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a positioning connecting long bolt, comprising a body, a tailstock is arranged at the upper end of the body, a sinking groove is arranged at the center of the upper end surface of the tailstock, a tightening hole is arranged at the center of the lower inner wall of the sinking groove, a wear-resistant layer is arranged on the inner side wall of the tightening hole, positioning structures are arranged at the center of the two side walls of the body respectively, and a cleaning structure is arranged at the center of the side wall of the body close to the lower end;

[0006] Through the above technical scheme, by setting the positioning structure, it can assist the installation during installation, and can avoid the bolts from falling off when not tightened. At the same time, by setting the cleaning structure, the dust on the inner wall of the installation hole can be scraped off to avoid damage to the thread. At the same time, the debris collected in the scraper groove can be cleared by moving the top plate and the scraper groove. By setting the wear-resistant layer, the strength of the tightening hole can be improved when tightening, avoiding the risk of not tightening.

[0007] Further, the positioning structure includes a connecting hole, the connecting holes are respectively arranged at the center of the two side walls of the body, the two connecting holes are respectively arranged inside the two connecting holes, and the inside of the body located on one side of the two top beads is respectively provided with a movable groove, and the center of one side wall of the two top beads is respectively fixedly connected with a spring sheet, and the other side of the two spring sheets is respectively slidably connected to an inner side wall of the two movable grooves;

[0008] Through the above technical solution, when in use, the two top beads are slidably connected to the inner wall of the mounting hole, and the cooperation with the spring sheet can help fix the body inside the mounting hole to prevent the bolt from falling off due to shaking inside when it is not tightened.

[0009] Further, the cleaning structure includes a scraping groove, the scraping groove is opened at the center of the side wall of the body near the lower end, a placement groove is provided at the center of the upper inner wall of the scraping groove, a spring is provided inside the placement groove, the upper end of the spring is fixedly connected to the upper inner wall of the placement groove, and the lower end of the spring is fixedly connected to the top plate;

[0010] Through the above technical solution, when the whole is tightened inside the mounting hole, the dust on the inner wall of the mounting hole is collected and scraped off through the scraping groove to avoid damage to the thread. After the collection is completed, the top plate is pulled and the tension between the top plate and the spring is used to push out the debris collected inside the scraping groove. After releasing the hand, the top plate quickly returns to its position due to the characteristics of the spring, which is convenient for the next use.

[0011] Further, the tightening hole is in the shape of a hexagonal star;

[0012] Through the above technical solution, the efficiency during tightening is improved and slippage is prevented.

[0013] Furthermore, the wear-resistant layer is made of stainless steel;

[0014] Through the above technical solution, the wear resistance of the tightening part is improved to avoid excessive wear caused by long-term use.

[0015] Furthermore, the edge of the tailstock is chamfered;

[0016] The above technical solution improves the overall aesthetics and prevents the operator's palm from being scratched.

[0017] Furthermore, the diameter of the connecting hole is smaller than the diameter of the top bead;

[0018] The above technical solution can prevent the risk of the top bead falling off from the inside of the connecting hole.

[0019] The utility model has the following beneficial effects:

[0020] 1. In the utility model, by setting a positioning structure, two top beads are slidably connected to the inner wall of the mounting hole, and the cooperation with the spring sheet can well assist in fixing the body inside the connecting hole to prevent the bolt from falling off due to shaking inside when it is not tightened.

[0021] 2. In the utility model, by setting a cleaning structure, when the whole is tightened inside the connecting hole, the dust on the inner wall of the installation hole is collected and scraped off through the scraping groove to avoid damage to the thread. After the collection is completed, the top plate is pulled and the tension between the top plate and the spring is used to push out the debris collected inside the scraping groove. After letting go, the top plate quickly returns to its original position due to the characteristics of the spring, which is convenient for the next use.

[0022] 3. In the present invention, the wear-resistant layer is provided to improve the strength of the tightening hole during tightening, thereby avoiding the risk of not being able to tighten. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a front view of a positioning and connecting long bolt proposed by the utility model;

[0024] Figure 2 This is an axial view of a positioning and connecting long bolt proposed by the utility model;

[0025] Figure 3 This is a bottom view of a positioning and connecting long bolt proposed by the utility model;

[0026] Figure 4 It is a partial front cross-sectional view of the main body of a positioning and connecting long bolt proposed by the utility model;

[0027] Figure 5 This is a partial cross-sectional view of a positioning and connecting long bolt proposed by the utility model.

[0028] Legend:

[0029] 1. Tail stock; 2. Positioning structure; 201. Connecting hole; 202. Top ball; 203. Shrapnel; 204. Movable groove; 3. Cleaning structure; 301. Scraping groove; 302. Top plate; 303. Spring; 304. Placement groove; 4. Main body; 5. Sinking groove; 6. Tightening hole; 7. Wear-resistant layer. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] Reference Figure 1-5 The utility model provides an embodiment: a positioning connecting long bolt, including a body 4, a tailstock 1 is arranged at the upper end of the body 4, a sinking groove 5 is arranged at the center of the upper end surface of the tailstock 1, a tightening hole 6 is arranged at the center of the lower inner wall of the sinking groove 5, a wear-resistant layer 7 is arranged on the inner side wall of the tightening hole 6, positioning structures 2 are respectively arranged at the center of the two side walls of the body 4, and a cleaning structure 3 is arranged at the center of the side wall of the body 4 near the lower end.

[0032] The positioning structure 2 includes a connecting hole 201, and connecting holes 201 are respectively arranged at the center of the two side walls of the main body 4. Top beads 202 are respectively arranged inside the two connecting holes 201, and movable grooves 204 are respectively arranged inside the main body 4 on one side of the two top beads 202. Spring sheets 203 are respectively fixedly connected at the center of one side wall of the two top beads 202, and the other sides of the two spring sheets 203 are respectively slidably connected to an inner wall of the two movable grooves 204. When in use, the two top beads 202 are slidably connected to the inner wall of the mounting hole, and then cooperate with the spring sheets 203 to assist in fixing the main body 4 inside the mounting hole to prevent the bolts from falling off due to shaking inside when not tightened.

[0033] The cleaning structure 3 includes a scraping groove 301, which is opened at the center of the side wall of the body 4 near the lower end. A placement groove 304 is arranged at the center of the upper inner wall of the scraping groove 301. A spring 303 is arranged inside the placement groove 304. The upper end of the spring 303 is fixedly connected to the upper inner wall of the placement groove 304. The lower end of the spring 303 is fixedly connected to the top plate 302. When the whole is tightened inside the mounting hole, the dust on the inner wall of the mounting hole is collected and scraped off through the scraping groove 301 to avoid damage to the thread. After the collection is completed, the top plate 302 is pulled to utilize the tension between the top plate 302 and the spring 303 to push out the debris collected inside the scraping groove 301. After letting go, the top plate 302 quickly returns to its position due to the characteristics of the spring 303, which is convenient for next use.

[0034] The tightening hole 6 is in the shape of a hexagonal star, which improves the efficiency of tightening and prevents sliding. The wear-resistant layer 7 is made of stainless steel, which improves the wear resistance of the tightening part and avoids excessive wear caused by long-term use. The edge of the tailstock 1 is chamfered to improve the overall aesthetics and prevent scratches on the operator's palm. The diameter of the connecting hole 201 is smaller than the diameter of the top ball 202 to prevent the risk of the top ball 202 falling off from the inside of the connecting hole 201.

[0035] Working principle: The utility model is a positioning connecting long bolt. By setting the positioning structure 2, it can assist the installation during installation, and avoid the bolt from falling off when it is not tightened. At the same time, by setting the cleaning structure 3, the dust on the inner wall of the installation hole can be scraped off to avoid damage to the thread. At the same time, the debris stored in the scraping groove 301 can be cleared by moving the top plate 302 and the scraping groove 301. By setting the wear-resistant layer 7, the strength of the tightening hole 6 can be improved when tightening, avoiding the risk of not tightening.

[0036] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A positioning connecting long bolt, comprising a body (4), characterized in that: A tailstock (1) is arranged at the upper end of the body (4), a sinking groove (5) is arranged at the center of the upper end surface of the tailstock (1), a tightening hole (6) is arranged at the center of the lower inner wall of the sinking groove (5), and a wear-resistant layer (7) is arranged on the inner wall of the tightening hole (6), positioning structures (2) are arranged at the center of the two side walls of the body (4), and a cleaning structure (3) is arranged at the center of the side wall of the body (4) close to the lower end.

2. A positioning connecting long bolt according to claim 1, characterized in that: The positioning structure (2) comprises a connecting hole (201), the connecting holes (201) are respectively arranged at the center of the two side walls of the body (4), the two connecting holes (201) are respectively arranged inside with top beads (202), and the body (4) is respectively provided with movable grooves (204) on one side of the two top beads (202), and the center of one side wall of the two top beads (202) is respectively fixedly connected with a spring sheet (203), and the other side of the two spring sheets (203) is respectively slidably connected to an inner side wall of the two movable grooves (204).

3. A positioning connecting long bolt according to claim 1, characterized in that: The cleaning structure (3) comprises a scraping groove (301), wherein the scraping groove (301) is arranged at the center of the side wall of the body (4) near the lower end, and a placement groove (304) is arranged at the center of the upper inner wall of the scraping groove (301), and a spring (303) is arranged inside the placement groove (304), and the upper end of the spring (303) is fixedly connected to the upper inner wall of the placement groove (304), and the lower end of the spring (303) is fixedly connected to the top plate (302).

4. A positioning connecting long bolt according to claim 1, characterized in that: The tightening hole (6) is in the shape of a hexagonal star.

5. A positioning connecting long bolt according to claim 1, characterized in that: The material of the wear-resistant layer (7) is stainless steel.

6. A positioning connecting long bolt according to claim 1, characterized in that: The edge of the tailstock (1) is chamfered.

7. A positioning connecting long bolt according to claim 2, characterized in that: The diameter of the connecting hole (201) is smaller than the diameter of the top bead (202).

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