Thermal cracking device for compound preparation
By adopting the limit structure of the pin slot, pin rod and anti-loosening sheet in the thermal cracking device, combined with the design of the nut slot and boss, the problem of loosening of the threaded connection at high temperature is solved, and the stability and safety of the device are improved .
Patent Information
- Application Number
- CN202420867973.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-24
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2034-04-24
AI Technical Summary
During the heating and cooling process of existing thermal cracking devices, the thread friction between the bolt and the nut decreases, resulting in loosening, affecting the stability and safety of the device.
A thermal cracking device for compound preparation is designed, by providing a pin slot and a pin rod on the surface of the conical base, combining the limiting structure of the anti-loosening sheet and the nut slot, preventing the nut from rotating, and a boss is provided on the bolt and nut to Prevent it from rotating, thereby preventing the threaded connection from loosening.
It effectively prevents loosening of threaded connections, improves the installation stability and safety of the device, and ensures reliable operation under high temperature conditions.
Smart Images

Figure CN222151944U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of thermal cracking devices, in particular to a thermal cracking device for compound preparation. Background Art
[0002] The thermal cracking unit is an important equipment used in the preparation of compounds. Its basic principle is to use high temperature to break the chemical bonds of high molecular compounds to obtain low molecular compounds. During the thermal cracking process, high molecular compounds absorb heat energy, the bonds within the molecules are broken, and a large amount of low molecular compounds are produced.
[0003] In the prior art, the main body of the thermal cracking device for compound preparation is composed of a cracking reactor and a conical base. Screw holes are opened on the surfaces of the cracking reactor and the conical base, and bolts are inserted into the screw holes. Nuts are tightened on the screw rods of the bolts, thereby realizing the installation of the cracking reactor and the conical base.
[0004] However, the installation method in the prior art is too simple in structure. When a reaction occurs in the cracking reactor, heating and cooling steps are required, which leads to a large temperature difference between the surface of the bolt and the nut. Under the effect of the temperature difference, the friction force of the thread between the bolt and the nut will decrease, causing the thread to loosen. Utility Model Content
[0005] The purpose of the utility model is to provide a thermal cracking device for preparing compounds to solve the problems raised in the above background technology.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a thermal cracking device for preparing compounds, comprising: a cracking reactor, a conical base is arranged at the bottom end of the cracking reactor, screw holes are provided on the surfaces of the cracking reactor and the conical base, bolts are inserted in the screw holes, nuts are screwed on the rod body of the bolts, a latch groove is provided on the surface of the conical base, one end of a latch rod is movably inserted in the latch groove, the other end of the latch rod is movably inserted in the latch hole, the latch hole is provided on the surface of an anti-loosening plate, a nut groove is provided at the other end of the anti-loosening plate, the nut is movably inserted in the nut groove, a boss is provided at the position where the screw hole is provided at the top of the cracking reactor, and the nut of the bolt is movably inserted in the boss.
[0007] Preferably, the anti-loosening plate is in an "L"-shaped plate structure, and a sleeve is fixed to one end of the vertical plate of the anti-loosening plate away from the conical base.
[0008] Preferably, a pull rod hole is formed at one end of the sleeve away from the anti-loosening plate, a pull rod is movably inserted in the pull rod hole, one end of the pull rod is fixed to the surface of the latch rod, and a handle is fixed to the other end of the pull rod.
[0009] Preferably, a spring is sleeved on the rod body of the pull rod, one end of the spring abuts against the surface of the latch rod, and the other end of the spring abuts against the wall of the sleeve.
[0010] Preferably, a pull rope is fixed on the surface of the handle, and the other end of the pull rope is fixed on the surface of the cracking reactor.
[0011] Compared with the prior art, the beneficial effects of the utility model are:
[0012] The thermal cracking device for compound preparation proposed by the utility model has one end of the latch rod inserted into the latch hole and the other end inserted into the latch groove, so that the anti-loosening sheet is limited on the surface of the conical base. At the same time, the shape of the nut groove matches the nut, so as to limit the nut and prevent the nut from rotating. The nut of the bolt is limited in the boss to prevent the bolt from rotating, so that the bolt and the nut cannot rotate, and the threaded connection between the nut and the bolt can be prevented from loosening. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a schematic diagram of the structure of the utility model;
[0014] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;
[0015] Figure 3 for Figure 2 A schematic diagram of the structure enlargement in the middle;
[0016] Figure 4 This is a schematic diagram of the anti-loosening piece structure.
[0017] In the figure: a cracking reactor 1, a conical base 2, bolts 3, nuts 4, bosses 5, anti-loosening sheets 6, nut slots 7, latch slots 8, latch holes 9, latch rods 10, sleeves 11, springs 12, pull rods 13, handles 14, and pull ropes 15. DETAILED DESCRIPTION
[0018] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of 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.
[0019] Embodiment 1
[0020] See also Figures 1 to 4The utility model provides a technical solution: a thermal cracking device for preparing a compound, comprising: a cracking reactor 1, a conical base 2 is arranged at the bottom end of the cracking reactor 1, screw holes are provided on the surfaces of the cracking reactor 1 and the conical base 2, bolts 3 are inserted in the screw holes, nuts 4 are screwed on the rod body of the bolt 3, a latch groove 8 is provided on the surface of the conical base 2, one end of a latch rod 10 is movably inserted in the latch groove 8, the other end of the latch rod 10 is movably inserted in the latch hole 9, the latch hole 9 is provided on the surface of an anti-loosening plate 6, a nut groove 7 is provided at the other end of the anti-loosening plate 6, the nut 4 is movably inserted in the nut groove 7, a boss 5 is provided at the position where the screw hole is provided at the top of the cracking reactor 1, and the nut of the bolt 3 is movably inserted in the boss 5.
[0021] In actual use, align the nut of the bolt 3 with the boss 5 and insert the bolt 3 into the screw hole opened on the surface of the cracking reactor 1 and the conical base 2. The boss 5 can prevent the bolt 3 from rotating, and then tighten the nut 4 to the bottom end of the screw hole of the conical base 2, and then pull the handle 14 to make the latch rod 10 completely retract into the latch hole 9, and then align the nut groove 7 with the nut 4 and put the anti-loosening plate 6 on the surface of the nut 4, and finally release the handle 14, one end of the latch rod 10 automatically pops out of the latch hole 9 and inserts into the latch groove 8, thereby limiting the anti-loosening plate 6 on the surface of the conical base 2. At the same time, the shape of the nut groove 7 matches the nut 4, so as to limit the nut 4 and prevent the nut 4 from rotating, thereby preventing the threaded connection between the nut 4 and the bolt 3 from loosening.
[0022] Embodiment 2
[0023] On the basis of Example 1, in order to facilitate the operation of the latch rod 10, the anti-loosening piece 6 is in an "L"-shaped plate structure, and a sleeve 11 is fixed to the end of the vertical plate of the anti-loosening piece 6 away from the conical base 2. A pull rod hole is opened at the end of the sleeve 11 away from the anti-loosening piece 6, and a pull rod 13 is movably inserted in the pull rod hole. One end of the pull rod 13 is fixed on the surface of the latch rod 10, and the other end of the pull rod 13 is fixed with a handle 14. A spring 12 is sleeved on the rod body of the pull rod 13, one end of the spring 12 is against the surface of the latch rod 10, and the other end of the spring 12 is against the barrel wall of the sleeve 11.
[0024] By pulling the handle 14, the movement of the handle 14 causes the latch rod 10 to move in the same direction through the pull rod 13, so that the latch rod 10 can be completely retracted into the latch hole 9. At this time, the spring 12 is compressed by the latch rod 10 and the wall of the sleeve 11. When the latch rod 10 is aligned with the latch groove 8, the handle 14 is released, so that one end of the latch rod 10 can be pushed into and pressed into the latch groove 8, thereby facilitating the operation of the latch rod 10.
[0025] Embodiment 3
[0026] On the basis of the second embodiment, in order to prevent the anti-loosening sheet 6 from being lost, a pull rope 15 is fixed on the surface of the handle 14 , and the other end of the pull rope 15 is fixed on the surface of the cracking reactor 1 .
[0027] In actual use, align the nut of the bolt 3 with the boss 5 and insert the bolt 3 into the screw hole provided on the surface of the cracking reactor 1 and the conical base 2. The boss 5 can prevent the bolt 3 from rotating. Then, tighten the nut 4 to the bottom end of the screw hole of the conical base 2. Then, pull the handle 14 to completely retract the latch rod 10 into the latch hole 9. Then, align the nut groove 7 with the nut 4 and sleeve the anti-loosening sheet 6 onto the surface of the nut 4. Finally, release the handle 14. One end of the latch rod 10 automatically pops out of the latch hole 9 and inserts into the latch groove 8, thereby limiting the anti-loosening sheet 6 on the surface of the conical base 2. At the same time, the shape of the nut groove 7 matches the nut 4, thereby limiting the nut 4. The bolt 10 is used to prevent the nut 4 from rotating, and the threaded connection between the nut 4 and the bolt 3 from loosening; the handle 14 is pulled, and the movement of the handle 14 causes the latch rod 10 to move in the same direction through the pull rod 13, so that the latch rod 10 can be completely retracted into the latch hole 9. At this time, the spring 12 is compressed by the latch rod 10 and the wall of the sleeve 11. When the latch rod 10 is aligned with the latch groove 8, the handle 14 is released, and one end of the latch rod 10 can be pushed into and pressed into the latch groove 8, thereby facilitating the operation of the latch rod 10; in order to prevent the anti-loosening sheet 6 from being lost, a pull rope 15 is fixed on the surface of the handle 14, and the other end of the pull rope 15 is fixed on the surface of the cracking reactor 1.
[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A thermal cracking device for preparing a compound, comprising: A cracking reactor (1), wherein a conical base (2) is arranged at the bottom end of the cracking reactor (1), screw holes are arranged on the surfaces of the cracking reactor (1) and the conical base (2), bolts (3) are inserted into the screw holes, and nuts (4) are screwed on the rod body of the bolts (3), characterized in that: a latch groove (8) is arranged on the surface of the conical base (2), one end of a latch rod (10) is movably inserted into the latch groove (8), the other end of the latch rod (10) is movably inserted into the latch hole (9), the latch hole (9) is arranged on the surface of a locking plate (6), a nut groove (7) is arranged at the other end of the locking plate (6), the nut (4) is movably inserted into the nut groove (7), a boss (5) is arranged at the position where the screw hole is arranged at the top end of the cracking reactor (1), and the nut of the bolt (3) is movably inserted into the boss (5).
2. A thermal cracking device for preparing a compound according to claim 1, characterized in that: The anti-loosening plate (6) is in an "L"-shaped plate structure, and a sleeve (11) is fixed to one end of the vertical plate of the anti-loosening plate (6) away from the conical base (2).
3. A thermal cracking device for preparing a compound according to claim 2, characterized in that: A pull rod hole is formed at one end of the sleeve (11) away from the anti-loosening plate (6), a pull rod (13) is movably inserted in the pull rod hole, one end of the pull rod (13) is fixed on the surface of the latch rod (10), and a handle (14) is fixed on the other end of the pull rod (13).
4. A thermal cracking device for preparing a compound according to claim 3, characterized in that: A spring (12) is sleeved on the rod body of the pull rod (13), one end of the spring (12) abuts against the surface of the latch rod (10), and the other end of the spring (12) abuts against the wall of the sleeve (11).
5. A thermal cracking device for preparing a compound according to claim 3, characterized in that: A pull rope (15) is fixed on the surface of the handle (14), and the other end of the pull rope (15) is fixed on the surface of the cracking reactor (1).
