A high-pressure pipe connection explosion-proof device
Patent Information
- Application Number
- CN202522683816.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-18
- Publication Date
- 2026-10-27
- Estimated Expiration
- 2035-12-18
AI Technical Summary
在高压管的应用中，有时会将多个高压管形成管网，也会将多个高压管连接从而增加输送距离，高压管的连接处需要使用连接接头，由于高压管的输送压力较高，因此对连接接头的连接稳定性要求较高，在连接接头处容易发生崩开、爆破等安全事故，存在一定的安全隐患
[0014]本实用新型高压管连接防爆装置通过连接组件对两个高压管的端部进行固定连接，将防护壳固定安装在连接组件外侧，对连接组件进行加强固定，从而提高连接稳定性和防爆性能，两个第二连接件螺纹连接在第一连接件两端，两个连接柱的一端分别穿设在两个第二连接件的第二通孔内，并且连接柱与第二通孔通过螺纹固定连接，使第一通孔与第三通孔连通，两个连接柱的另一端分别穿设在两个固定头内，两个高压管的端部分别插入两个固定头的第一插孔内，两个连接柱的端部插入两个高压管的内孔，通过第一插接结构和第二插接结构分别与高压管的外壁和内壁配合，从而将两个高压管固定安装在两个固定头内，然后将第一壳体和第二壳体依次覆盖在连接组件的外侧，并使第一连接件和两个第二连接件位于安装腔内，使两个固定头分别与两个安装孔卡接，最后利用两个固定销将第一壳体和第二壳体固定连接。本实用新型能够与高压管的端部牢固连接，连接稳定性较好，也具有较好的防爆性能，降低安全隐患。
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Figure CN224904435U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of high-pressure pipe connection equipment, and in particular to a high-pressure pipe connection explosion-proof device. Background Technology
[0002] High-pressure pipes are pipes capable of withstanding high pressure and are commonly used to transport liquids, especially high-pressure water. In applications, multiple high-pressure pipes are sometimes connected to form a network or to extend the transport distance. Connecting joints are required at the joints of high-pressure pipes. Due to the high pressure of high-pressure pipes, the stability of the joints is critical. Joints are prone to bursting, rupture, and other safety accidents, posing certain safety hazards. Utility Model Content
[0003] The purpose of this utility model is to provide a high-pressure pipe connection explosion-proof device, which can be firmly connected to the end of the high-pressure pipe, with good connection stability and good explosion-proof performance, reducing safety hazards.
[0004] To achieve the above and other related objectives, this utility model provides a high-pressure pipe connection explosion-proof device, comprising: a protective shell and a connecting assembly. The protective shell includes a first shell and a second shell, which are connected by two fixing pins. The protective shell has an installation cavity, with an installation hole at each end. The connecting assembly is located within the installation cavity and includes a first connector, two second connectors, two connecting posts, and two fixing heads. Each end of the first connector has a first threaded hole. A first partition is provided on the inner wall of the first connector between the two first threaded holes. A first through hole is provided in the middle of the first partition. The two second connectors are threadedly connected to the two first threaded holes respectively. A second through hole is provided inside the second connector along its extension direction. The first through hole and the second through hole are connected... The holes are coaxially arranged. One end of each of the two connecting posts passes through the two second through holes. The outer wall of the connecting post facing the first through hole is threaded to the second through hole. The opposite ends of the two connecting posts are respectively engaged with the two ends of the first through hole. A third through hole is provided in the connecting post along the extension direction. The third through hole communicates with the first through hole. One end of each of the two fixing heads is fixedly installed in the two mounting holes. The end of the fixing head away from the protective shell is provided with a first insertion hole along the extension direction. The connecting post passes through the fixing head along the extension direction. A first insertion structure is provided on the inner wall of the first insertion hole. The first insertion structure engages with the outer wall of the high-pressure pipe end. A second insertion structure is provided on the outer wall of the connecting post away from the first connecting member. The second insertion structure engages with the inner wall of the high-pressure pipe end.
[0005] In one example of the explosion-proof device for high-pressure pipe connection of this utility model, the first housing is provided with a first chamber, and the second housing is provided with a second chamber, the first chamber and the second chamber forming the mounting cavity.
[0006] In one example of the explosion-proof high-pressure pipe connection device of this utility model, a first connecting block is provided in the middle of the bottom surface of the first housing on both sides of the first chamber, and two second connecting blocks are provided on the top surface of the second housing on both sides of the second chamber. The four second connecting blocks are respectively connected to the two first connecting blocks by means of the fixing pin.
[0007] In one example of the explosion-proof device for high-pressure pipe connection of this utility model, a first arc-shaped groove is provided on the first housing at both ends of the first chamber, and a second arc-shaped groove is provided on the second housing at both ends of the second chamber. The first arc-shaped groove and the second arc-shaped groove cooperate to form the mounting hole.
[0008] In one example of the explosion-proof device for high-pressure pipe connection of this utility model, an annular groove is provided on the outer wall of the end of the fixing head facing the protective shell, and the annular groove is engaged with the mounting hole.
[0009] In one example of the explosion-proof high-pressure pipe connection device of this utility model, the fixed head is provided with a second socket at the end away from the first socket, the connecting post is inserted into the second socket, the outer wall of the connecting post is in contact with the inner wall of the second socket, and the first socket and the second socket are connected through a third socket.
[0010] In one example of the explosion-proof device for high-pressure pipe connection of this utility model, the first insertion structure includes several annular grooves with a wedge-shaped axial cross section, and the second insertion structure includes several annular protrusions with a wedge-shaped axial cross section.
[0011] In one example of the explosion-proof high-pressure pipe connection device of this utility model, a variable diameter part is provided at both ends of the first through hole, the end of the connecting column is inserted into the variable diameter part, and the outer wall of the end of the connecting column is in contact with the inner wall of the variable diameter part.
[0012] In one example of the explosion-proof high-pressure pipe connection device of this utility model, the connecting column includes a first insertion part and a second insertion part. The first insertion part cooperates with the second through hole and the second insertion hole, and the second insertion part cooperates with the inner hole of the high-pressure pipe. The outer wall of the first insertion part away from the second insertion part is provided with an external thread, and the outer wall of the first insertion part facing the second insertion part is provided with anti-slip texture. The outer wall of the second insertion part is provided with a second insertion structure, and the outer wall of the second insertion part away from the first insertion part is provided with a plurality of sealing rings.
[0013] In one example of the explosion-proof device for high-pressure pipe connection of this utility model, the ends of the two second connectors away from the first connector are respectively clearance-fitted with the ends of the two fixing heads.
[0014] This utility model relates to a high-pressure pipe connection explosion-proof device. It uses a connecting assembly to fix the ends of two high-pressure pipes together. A protective shell is fixedly installed on the outside of the connecting assembly, reinforcing the assembly and improving connection stability and explosion-proof performance. Two second connecting pieces are threaded to both ends of the first connecting piece. One end of each of the two connecting posts passes through the second through holes of the two second connecting pieces, and the connecting posts are threadedly fixed to the second through holes, connecting the first and third through holes. The other ends of the two connecting posts pass through the two fixing heads. The ends of the two high-pressure pipes are inserted into the first insertion holes of the two fixing heads, and the ends of the two connecting posts are inserted into the inner holes of the two high-pressure pipes. The first and second insertion structures respectively engage with the outer and inner walls of the high-pressure pipes, thus fixing the two high-pressure pipes within the two fixing heads. Then, the first and second shells are sequentially placed over the outside of the connecting assembly, positioning the first connecting piece and the two second connecting pieces within the mounting cavity. The two fixing heads are then engaged with the two mounting holes. Finally, two fixing pins are used to fix the first and second shells together. This invention can be firmly connected to the end of a high-pressure pipe, with good connection stability and good explosion-proof performance, reducing safety hazards. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of an embodiment of the explosion-proof device for high-pressure pipe connection of this utility model; Figure 2 This is a front view of an embodiment of the explosion-proof device for high-pressure pipe connection of this utility model; Figure 3 This is a cross-sectional view of an embodiment of the explosion-proof device for high-pressure pipe connection of this utility model; Figure 4 This is a schematic diagram of the protective shell structure in one embodiment of the high-pressure pipe connection explosion-proof device of this utility model; Figure 5 This is a schematic diagram of the connecting component in one embodiment of the explosion-proof high-pressure pipe connection device of this utility model; Figure 6 This is a cross-sectional view of the first connector in one embodiment of the high-pressure pipe connection explosion-proof device of this utility model; Figure 7 This is a front view of the connecting column in one embodiment of the explosion-proof high-pressure pipe connection device of this utility model; Figure 8 This is a cross-sectional view of the fixing head in one embodiment of the explosion-proof device for high-pressure pipe connection of this utility model.
[0016] Component designation: 100 Protective shell; 110 First shell; 111 First chamber; 112 First connecting block; 113 First arc groove; 120 Second shell; 121 Second chamber; 122 Second connecting block; 123 Second arc groove; 130 Fixing pin; 200 Connecting assembly; 210 First connector; 211 First threaded hole; 212 First partition; 213 First through hole; 214 Variable diameter part; 220 Second connector; 230 Connecting post; 231 Third through hole; 232 First insertion part; 233 Second insertion part; 234 Anti-slip texture; 235 Second insertion structure; 236 Sealing ring; 240 Fixing head; 241 First insertion hole; 242 First insertion structure; 243 Second insertion hole; 244 Third insertion hole; 245 Annular groove; 300 High pressure pipe. Detailed Implementation
[0017] The following specific examples illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. This utility model can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of this utility model. It should be noted that, in the absence of conflict, the following embodiments and features in the embodiments can be combined with each other. It should also be understood that the terminology used in the embodiments of this utility model is for describing specific implementation schemes and not for limiting the scope of protection of this utility model. Test methods in the following embodiments that do not specify specific conditions are generally performed under conventional conditions or according to the conditions recommended by the respective manufacturers.
[0018] When numerical ranges are given in the embodiments, it should be understood that, unless otherwise specified in this invention, both endpoints of each numerical range and any value between the two endpoints may be selected. Unless otherwise defined, all technical and scientific terms used in this invention, as well as the prior art known to those skilled in the art and the description of this invention, may be implemented using any prior art methods, equipment, and materials similar to or equivalent to those in the embodiments of this invention.
[0019] Please see Figures 1 to 8This utility model provides a high-pressure pipe connection explosion-proof device, which includes: a protective shell 100 and a connecting assembly 200. The protective shell 100 includes a first shell 110 and a second shell 120. The first shell 110 and the second shell 120 are connected by two fixing pins 130. The protective shell 100 is provided with a mounting cavity, and each end of the mounting cavity is provided with a mounting hole. The connecting assembly 200 is located within the mounting cavity. The connecting assembly 200 includes a first connecting member 210, two second connecting members 220, two connecting posts 230, and two fixing heads 240. Each end of the first connecting member 210 has a first threaded hole 211. A first partition 212 is provided on the inner wall of the first connecting member 210 between the two first threaded holes 211. A first through hole 213 is provided in the middle of the first partition 212. The two second connecting members 220 are threadedly connected to the two first threaded holes 211 respectively. A second through hole is provided inside the second connecting member 220 along its extension direction. The first through hole 213 and the second through hole are coaxially arranged. One end of each of the two connecting posts 230 passes through the two second through holes. The outer wall of the connecting post 230 facing the first through hole 213 is threadedly connected to the second through hole. One end of each of the connecting posts 230 is respectively engaged with both ends of the first through hole 213. A third through hole 231 is provided inside the connecting post 230 along the extending direction. The third through hole 231 communicates with the first through hole 213. One end of each of the two fixing heads 240 is fixedly installed in the two mounting holes. The end of the fixing head 240 away from the protective shell 100 is provided with a first insertion hole 241 along the extending direction. The connecting post 230 passes through the fixing head 240 along the extending direction. A first insertion structure 242 is provided on the inner wall of the first insertion hole 241. The first insertion structure 242 engages with the outer wall of the end of the high-pressure pipe 300. A second insertion structure 235 is provided on the outer wall of the end of the connecting post 230 away from the first connector 210. The second insertion structure 235 engages with the inner wall of the end of the high-pressure pipe 300.
[0020] This invention uses a connecting assembly 200 to fix the ends of two high-pressure pipes 300 together, and a protective shell 100 is fixedly installed on the outside of the connecting assembly 200 to strengthen the connection and improve connection stability and explosion-proof performance. Two second connecting pieces 220 are threaded to both ends of a first connecting piece 210. One end of each of two connecting posts 230 passes through the second through holes of the two second connecting pieces 220, and the connecting posts 230 are threadedly fixed to the second through holes, connecting the first through hole 213 and the third through hole 231. The other ends of the two connecting posts 230 pass through two fixing heads 240, and the ends of the two high-pressure pipes 300 are inserted into the first insertion holes 241 of the two fixing heads 240. The ends of the two connecting posts 230 are inserted into the inner holes of the two high-pressure pipes 300. The first insertion structure 242 and the second insertion structure 235 respectively engage with the outer and inner walls of the high-pressure pipes 300, thereby fixing the two high-pressure pipes 300 within the two fixing heads 240. Then, the first housing 110 and the second housing 120 are sequentially placed over the outside of the connecting assembly 200, and the first connector 210 and the two second connectors 220 are positioned inside the mounting cavity, so that the two fixing heads 240 are respectively engaged with the two mounting holes. Finally, the first housing 110 and the second housing 120 are fixedly connected by the two fixing pins 130 to complete the installation.
[0021] Please see Figure 4 In one example of the explosion-proof high-pressure pipe connection device of this utility model, a first chamber 111 is provided on the first housing 110, and a second chamber 121 is provided on the second housing 120. The first chamber 111 and the second chamber 121 form the mounting cavity. A first connecting block 112 is provided in the middle of the bottom surface of the first housing 110 on both sides of the first chamber 111. Two second connecting blocks 122 are provided on the top surface of the second housing 120 on both sides of the second chamber 121. The four second connecting blocks 122 are respectively connected to the two first connecting blocks 112 by means of the fixing pin 130. A first arc-shaped groove 113 is provided on the first housing 110 at both ends of the first chamber 111, and a second arc-shaped groove 123 is provided on the second housing 120 at both ends of the second chamber 121. The first arc-shaped groove 113 and the second arc-shaped groove 123 cooperate to form the mounting hole.
[0022] Please see Figure 8In one example of the explosion-proof high-pressure pipe connection device of this utility model, the outer wall of the fixing head 240 facing the protective shell 100 is provided with an annular groove 245, which engages with the mounting hole. The fixing head 240 has a second insertion hole 243 at the end away from the first insertion hole 241, and the connecting post 230 passes through the second insertion hole 243. The outer wall of the connecting post 230 fits against the inner wall of the second insertion hole 243. The first insertion hole 241 and the second insertion hole 243 are connected through a third insertion hole 244.
[0023] Please see Figures 1 to 8 In one example of the explosion-proof device for high-pressure pipe connection of this utility model, the first plug-in structure 242 includes several annular grooves with a wedge-shaped axial cross section, and the second plug-in structure 235 includes several annular protrusions with a wedge-shaped axial cross section.
[0024] Please see Figure 6 and Figure 7 In one example of the explosion-proof high-pressure pipe connection device of this utility model, a reducing portion 214 is provided at each end of the first through hole 213. The end of the connecting post 230 is inserted into the reducing portion 214, and the outer wall of the end of the connecting post 230 is in contact with the inner wall of the reducing portion 214. The connecting post 230 includes a first insertion portion 232 and a second insertion portion 233. The first insertion portion 232 cooperates with the second through hole and the second insertion hole 243, and the second insertion portion 233 cooperates with the inner hole of the high-pressure pipe 300. The outer wall of the first insertion portion 232 away from the second insertion portion 233 is provided with an external thread, and the outer wall of the first insertion portion 232 facing the second insertion portion 233 is provided with an anti-slip texture 234. The outer wall of the second insertion portion 233 is provided with a second insertion structure 235, and the outer wall of the second insertion portion 233 away from the first insertion portion 232 is provided with a plurality of sealing rings 236.
[0025] Please see Figure 3 In one example of the explosion-proof device for high-pressure pipe connection of this utility model, the ends of the two second connectors 220 away from the first connector 210 are respectively clearance-fitted with the ends of the two fixing heads 240.
[0026] The above embodiments are merely illustrative of the principles and effects of this utility model and are not intended to limit the scope of this utility model. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of this utility model. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in this utility model should still be covered by the claims of this utility model.
Claims
1. A high-pressure pipe connection explosion-proof device, characterized in that, include: The protective shell includes a first shell and a second shell, which are connected by two fixing pins. The protective shell has a mounting cavity, and each end of the mounting cavity has a mounting hole. A connecting assembly is located within the mounting cavity. The connecting assembly includes a first connector, two second connectors, two connecting posts, and two fixing heads. Each of the two ends of the first connector has a first threaded hole. A first partition is provided on the inner wall of the first connector between the two first threaded holes. A first through hole is provided in the middle of the first partition. The two second connectors are threadedly connected to the two first threaded holes respectively. A second through hole is provided within each second connector along its extending direction. The first through hole and the second through hole are coaxially arranged. One end of each of the two connecting posts passes through the two second through holes. The outer wall of the connecting post facing the first through hole is aligned with the second through hole. The connection is threaded, with one end of each of the two connecting posts respectively engaging with the two ends of the first through hole. A third through hole is provided inside the connecting post along the extending direction, and the third through hole communicates with the first through hole. One end of each of the two fixing heads is fixedly installed in the two mounting holes. The end of the fixing head away from the protective shell is provided with a first insertion hole along the extending direction. The connecting post passes through the fixing head along the extending direction. A first insertion structure is provided on the inner wall of the first insertion hole, and the first insertion structure engages with the outer wall of the high-pressure pipe end. A second insertion structure is provided on the outer wall of the connecting post away from the first connecting member, and the second insertion structure engages with the inner wall of the high-pressure pipe end.
2. The explosion-proof device for high-pressure pipe connection as described in claim 1, characterized in that, The first housing has a first chamber, and the second housing has a second chamber, the first chamber and the second chamber together forming the mounting cavity.
3. The explosion-proof device for high-pressure pipe connection as described in claim 2, characterized in that, A first connecting block is provided in the middle of the bottom surface of the first housing on both sides of the first chamber, and two second connecting blocks are provided on the top surface of the second housing on both sides of the second chamber. The four second connecting blocks are respectively connected to the two first connecting blocks by means of the fixing pin.
4. The explosion-proof device for high-pressure pipe connection as described in claim 3, characterized in that, The first housing at both ends of the first chamber is provided with a first arc-shaped groove, and the second housing at both ends of the second chamber is provided with a second arc-shaped groove. The first arc-shaped groove and the second arc-shaped groove cooperate to form the mounting hole.
5. The explosion-proof device for high-pressure pipe connection as described in claim 4, characterized in that, The outer wall of the fixing head facing the protective shell has an annular groove, which engages with the mounting hole.
6. The explosion-proof device for high-pressure pipe connection as described in claim 1, characterized in that, The fixing head has a second socket at the end away from the first socket, the connecting post passes through the second socket, the outer wall of the connecting post fits against the inner wall of the second socket, and the first socket and the second socket are connected through a third socket.
7. The explosion-proof device for high-pressure pipe connection as described in claim 1, characterized in that, The first plug-in structure includes several annular grooves with a wedge-shaped axial cross section, and the second plug-in structure includes several annular protrusions with a wedge-shaped axial cross section.
8. The explosion-proof device for high-pressure pipe connection as described in claim 1, characterized in that, The first through hole has a variable diameter section at each end, and the end of the connecting post is inserted into the variable diameter section, with the outer wall of the end of the connecting post fitting against the inner wall of the variable diameter section.
9. The explosion-proof device for high-pressure pipe connection as described in claim 6, characterized in that, The connecting post includes a first insertion part and a second insertion part. The first insertion part mates with the second through hole and the second insertion hole. The second insertion part mates with the inner hole of the high-pressure pipe. The outer wall of the first insertion part away from the second insertion part is provided with an external thread. The outer wall of the first insertion part facing the second insertion part is provided with anti-slip texture. The outer wall of the second insertion part is provided with a second insertion structure. The outer wall of the second insertion part away from the first insertion part is provided with several sealing rings.
10. The explosion-proof device for high-pressure pipe connection as described in claim 1, characterized in that, The ends of the two second connectors furthest from the first connector are respectively clearance-fitted with the ends of the two fixing heads.