Connection device for oil pumps

Abstract

Connection device for oil pumps (10), characterized in that it comprises: a first clamping section (100), wherein the first clamping section (100) is used for connection to a delivery line of an oil pump; and a second clamping section (200), wherein the second clamping section (200) is connected to the first clamping section (100), wherein the second clamping section (200) is used for connection to a barrel rim of an oil drum in order to connect the oil pump to the oil drum.

Description

TECHNICAL AREA The present utility model relates to the technical field of oil pumps, in particular to a connecting device for oil pumps. STATE OF THE ART Oil pumps are widely used for oil transport in industry, agriculture, and everyday life. They typically need to be connected to oil drums (such as lubricating oil drums, fuel drums, etc.) to pump the oil out of the drums or deliver it to a specific location. Existing connection methods for oil pumps often suffer from problems such as inconvenient assembly, unstable connections, or poor compatibility. For example, some connection designs use simple snap-fit ​​or threaded connections that can easily loosen due to vibration or improper handling; other designs are tailored to specific models of oil drums or oil pumps, have a limited range of applications, and cannot accommodate different sizes or shapes of drum rims and delivery lines. Furthermore, conventional oil pump connection devices often lack a quick-release mechanism.Assembly can be cumbersome, especially when frequently changing oil drums or servicing the oil pump, thus reducing work efficiency. Some designs rely on a single clamping point to secure the delivery line, which can easily lead to uneven stress on the line and, over time, to wear or oil leaks at the connection point. Based on the problems mentioned above, this utility model proposes a connecting device for oil pumps. This connecting device is easy to install, provides a stable connection, and has a wide range of applications, thereby improving the reliability of the connection between the oil pump and the oil drum, as well as ease of use. CONTENTS OF THE PRESENT USE SAMPLE To overcome the shortcomings of the prior art, the present utility model provides a connection device for oil pumps that is easy to assemble, offers a stable connection and has a wide range of applications, thereby improving the reliability of the connection between the oil pump and the oil drum as well as ease of use. The technical solution employed by the present utility model to solve its technical problem consists of the following: A connecting device for oil pumps, provided by the present utility model, comprises a first clamping section and a second clamping section, wherein the first clamping section is used for connection to a delivery line of an oil pump, the second clamping section being connected to the first clamping section, and the second clamping section being used for connection to a rim of an oil drum in order to connect the oil pump to the oil drum. In the present utility model, the connecting device enables a quick connection of the oil pump to the oil drum, thereby keeping the oil pump stable during operation and reducing oil leaks or safety risks caused by wobbling. BRIEF DESCRIPTION OF THE DRAWING To more clearly explain the technical solutions in the embodiments of this utility model, the drawings required to describe these embodiments are briefly presented below. The drawings in the following description represent only some embodiments of this utility model. A person skilled in the art can derive further drawings from these drawings without any inventive step. The present utility model is further explained below in conjunction with the accompanying drawings and embodiments. Fig. 1 shows a schematic view of the overall structure of the present utility model; Fig. 2 shows a schematic view of the connection structure of a connecting device, a delivery line of an oil pump, and an oil drum; Fig. 3 shows a schematic structural view of a first clamping section; Fig. 4 shows a schematic structural view of a second clamping section. DETAILED DESCRIPTION A connection device for oil pumps 10 disclosed in the present utility model, as shown in Figs. 1, 2, 3 to 4, comprises a first clamping section 100 and a second clamping section 200, wherein the first clamping section 100 is used for connection to a delivery line 21 of an oil pump 20, wherein the second clamping section 200 is connected to the first clamping section 100, and wherein the second clamping section 200 is used for connection to a drum rim of an oil drum 30 in order to connect the oil pump 20 to the oil drum 30. In the present utility model, the connection device for oil pumps 10 enables a quick connection of the oil pump 20 to the oil drum 30, thereby ensuring that the oil pump 20 remains stable during operation and reducing oil leaks or safety risks caused by vibration. In this embodiment, the first clamping section 100 comprises a connecting sleeve 110, wherein the connecting sleeve 110 has a first clamping chamber 111 and a mounting opening 112 connected to the first clamping chamber 111, wherein the connecting sleeve 110 has an upper opening 113 and a lower opening 114 at each of its two ends, the upper opening 113 and the lower opening 114 being connected to the first clamping chamber 111, the first clamping chamber 111 being used for mounting the delivery line 21 of the oil pump 20, which is inserted transversely through the mounting opening 112, and wherein the upper opening 113 and the lower opening 114 allow the delivery line 21 to pass through in its axial direction. By means of the structure described above, the delivery line 21 of the oil pump 20 can be conveniently and quickly mounted to the connecting sleeve 110, thereby improving ease of assembly. In this embodiment, the connecting sleeve 110 comprises a first side wall 115 and a second side wall 116, wherein an end of the first side wall 115 and an end of the second side wall 116 are connected to each other, wherein the connecting sleeve 110 further comprises a first clamping end 1151 extending from a side edge of the first side wall 115 towards the mounting opening 112, and a second clamping end 1161 extending from a side edge of the second side wall 116 towards the mounting opening 112, wherein the first clamping end 1151 and the second clamping end 1161 are spaced apart from each other to form the mounting opening 112. The first clamping end 1151 comprises at least one first clamping block 1152, wherein the second clamping end 1161 comprises at least one second clamping block 1162, wherein the first clamping block 1152 and the second clamping block 1162 are used to clamp the delivery line 21 of the oil pump 20 in the first clamping space 111.By providing the first terminal block 1152 and the second terminal block 1162, clamping of the conveying line 21 on both sides can be achieved, thus preventing displacement of the conveying line 21 during operation. In a preferred embodiment of the first clamping end 1151 and the second clamping end 1161, the first clamping end 1151 further comprises at least one third clamping block 1155 and the second clamping end 1161 further comprises at least one fourth clamping block 1165, wherein the third clamping block 1155 and the fourth clamping block 1165 are used to clamp the delivery line 21 of the oil pump 20 in the first clamping space 111, wherein the third clamping block 1155 is located below the first clamping block 1152 and the fourth clamping block 1165 is located below the second clamping block 1162, and wherein there is a first gap 117 between the third clamping block 1155 and the first clamping block 1152 as well as between the fourth clamping block 1165 and the second clamping block 1162.By additionally providing the third clamping block 1155 and the fourth clamping block 1165, and by the third clamping block 1155 cooperating with the first clamping block 1152 and the fourth clamping block 1165 cooperating with the second clamping block 1162 in the vertical direction, the clamping effect on the delivery line 21 is increased, thus preventing the delivery line 21 from loosening or detaching due to vibrations or pressure fluctuations during the operation of the oil pump 20, thereby making the delivery process stable and reliable, increasing the safety of the delivery process and reducing the risk of oil leaks. In a preferred embodiment, the number of first terminal blocks 1152 and second terminal blocks 1162 is two each, wherein the two first terminal blocks 1152 comprise a first upper terminal block 1153 and a first lower terminal block 1154 located below the first upper terminal block 1153, wherein the two second terminal blocks 1162 comprise a second upper terminal block 1163 and a second lower terminal block 1164 located below the second upper terminal block 1163, wherein there is a second gap 118 between the first upper terminal block 1153 and the first lower terminal block 1154 and between the second upper terminal block 1163 and the second lower terminal block 1164;wherein the number of third terminal blocks 1155 and fourth terminal blocks 1165 is two each, wherein the two third terminal blocks 1155 comprise a third upper terminal block 1156 and a third lower terminal block 1157 located below the third upper terminal block 1156, wherein the two fourth terminal blocks 1165 comprise a fourth upper terminal block 1166 and a fourth lower terminal block 1167 located below the fourth upper terminal block 1166, wherein there is a third gap 119 between the third upper terminal block 1156 and the third lower terminal block 1157 and between the fourth upper terminal block 1166 and the fourth lower terminal block 1167;wherein a first gap 117 exists between the first lower terminal block 1154 and the third upper terminal block 1156 and between the second lower terminal block 1164 and the fourth upper terminal block 1166, wherein the size of the first gap 117 is larger than the size of the second gap 118 and the third gap 119, and wherein the size of the third gap 119 is larger than the size of the second gap 118.; By means of the structure described above, the clamping blocks, distributed vertically, can exert a multi-point clamping effect on the delivery line 21 in the first clamping space 111, thus enabling the delivery line 21 to be stably mounted in the first clamping space 111. Furthermore, the first distance 117 is larger than the second distance 118 and the third distance 119, and the third distance 119 is larger than the second distance 118, thereby creating a clamping distance that gradually decreases from top to bottom. This ensures that the delivery line 21 of the oil pump 20 receives a suitable clamping force at different vertical positions, thus avoiding local excessive or insufficient clamping force and reducing damage caused by local stress concentrations. In this preferred embodiment, the width of the third clamping block 1155 and the fourth clamping block 1165 is not less than the width of the first clamping block 1152 and the second clamping block 1162, wherein the first clamping block 1152, the second clamping block 1162, the third clamping block 1155 and the fourth clamping block 1165 are all elastic clamping blocks. The third clamping block 1155 and the fourth clamping block 1165 are wider and thus offer a larger contact area, resulting in a more stable clamping of the conveying line 21 and preventing the line from loosening during operation. Furthermore, the elastic clamping blocks can automatically adjust the clamping force during the clamping process to accommodate conveying lines 21 with different diameters or materials; and at the same time, the elastic clamping blocks can be easily compressed or opened during assembly, facilitating the quick insertion or removal of the conveying line 21. In this embodiment, the second clamping section 200 comprises a clamping arm 210, wherein a second clamping chamber 211 for clamping a side wall of the rim of the oil drum 30 is formed between an inner wall surface of the clamping arm 210 and an outer wall surface of the connecting sleeve 110. Preferably, a locking block 212 is provided on an inner wall surface of a lower end of the clamping arm 210, wherein a locking groove 213 is provided on the locking block 212, the locking groove 213 being used to engage with a threaded section on an outer side wall of the barrel rim; wherein the locking groove 213 is an arcuate locking groove 213 so that it lies close to the curved surface of the outer wall of the barrel rim. This effectively prevents slippage or loosening of the clamping arm 210 during use and increases the clamping stability. In this embodiment, the clamping arm 210 and the connecting sleeve 110 are rotatably connected via a connecting block 300, wherein the clamping arm 210 comprises a pressing end 214 and a clamping end 215, wherein the locking block 212 is arranged at a lower end of the clamping end 215 and faces the second clamping chamber 211; wherein when the pressing end 214 is pressed, the clamping end 215 pivots about the connecting block 300 and tilts outwards, so that the locking groove 213 is separated from the rim of the oil drum 30, wherein when the pressing end 214 is released, the clamping end 215 pivots about the connecting block 300 under leverage and moves inwards, so that the side wall of the rim of the oil drum 30 is clamped in the second clamping chamber 211 and the locking groove 213 engages with the threaded section on the outer side wall of the rim. By means of the structure described above, a lever action is formed between the clamping arm 210 and the connecting block 300.The user simply needs to press lightly on the pressing end 214 to tilt the clamping end 215 outwards and quickly release the clamp on the rim of the oil drum 30; after releasing the pressing end 214, the clamping end 215 automatically returns to its starting position under the leverage and clamps the rim of the drum again, thus enabling quick assembly and disassembly of the oil drum 30. In this embodiment, the connecting block 300 has a first connecting end 310 and a second connecting end 320, wherein the first connecting end 310 is connected to the outer wall surface of the connecting sleeve 110, wherein the second connecting end 320 is connected to the inner wall surface of the clamping arm 210, wherein the first connecting end 310 is provided with an arcuate connecting groove 311, wherein the connecting groove 311 is adapted to and connected with the arcuate side wall of the connecting sleeve 110, wherein an end section of the second connecting end 320 is provided with an inclined connecting end surface, wherein the inner wall surface of the clamping arm 210 is connected to the connecting end surface such that the clamping arm 210 and the connecting block 300 are arranged inclined to each other;wherein the distance between the clamping arm 210 and the connecting sleeve 110 gradually decreases from top to bottom, thereby allowing a gradually increasing clamping force to be exerted on the side wall of the rim of the oil drum 30 and making the clamping more secure. The connecting block 300 in this embodiment is an elastic connecting block 300 which can generate elastic deformation during a clamping or release operation and thereby increases the flexibility of operation. In this embodiment, at least one first reinforcing rib 312 is provided between an upper or lower surface of the connecting block 300 and the inner wall surface of the clamping arm 210 to increase the stability and deformation resistance of the overall structure; furthermore, a downwardly recessed first recess 313 is provided on the connecting block 300, which can both reduce the overall weight and provide a certain buffer space under load; several non-slip raised strips 216 are provided on an outer wall surface of the pressing end 214, the non-slip raised strips 216 increasing friction so that the user can work with less force when pressing. In this embodiment, the clamping arm 210, the connecting block 300 and the connecting sleeve 110 are formed in one piece. One or more embodiments, provided in conjunction with specific content, are described above. It should not be assumed that the specific embodiment of the present utility model is limited to these descriptions. All approximations and similarities with respect to the method, structure, etc., of the present utility model, or several technical derivations or substitutions based on the concept of the present utility model, should be considered to be within the scope of protection of the present invention.

Claims

Connection device for oil pumps (10), characterized in that it comprises: a first clamping section (100), wherein the first clamping section (100) is used for connection to a delivery line of an oil pump; and a second clamping section (200), wherein the second clamping section (200) is connected to the first clamping section (100), wherein the second clamping section (200) is used for connection to a barrel rim of an oil drum in order to connect the oil pump to the oil drum. Connecting device for oil pumps (10) according to claim 1, characterized in that the first clamping section (100) comprises a connecting sleeve (110), wherein the connecting sleeve (110) has a first clamping chamber (111) and a mounting opening (112) connected to the first clamping chamber (111), wherein the connecting sleeve (110) has at each of its two ends an upper opening (113) and a lower opening (114), wherein the upper opening (113) and the lower opening (114) are connected to the first clamping chamber (111), wherein the first clamping chamber (111) is used for mounting the delivery line of the oil pump inserted transversely through the mounting opening (112), and wherein the upper opening (113) and the lower opening (114) allow the delivery line to pass through in its axial direction. Connecting device for oil pumps (10) according to claim 2, characterized in that the connecting sleeve (110) comprises a first side wall (115) and a second side wall (116), wherein an end of the first side wall (115) and an end of the second side wall (116) are connected to each other, wherein the connecting sleeve (110) further comprises a first clamping end (1151) extending from a side edge of the first side wall (115) towards the mounting opening (112), and a second clamping end (1161) extending from a side edge of the second side wall (116) towards the mounting opening (112), wherein the first clamping end (1151) and the second clamping end (1161) are spaced apart from each other to form the mounting opening (112);wherein the first clamping end (1151) comprises at least one first clamping block (1152) and the second clamping end (1161) comprises at least one second clamping block (1162), wherein the first clamping block (1152) and the second clamping block (1162) are used to clamp the delivery line of the oil pump in the first clamping space (111). Connection device for oil pumps (10) according to claim 3, characterized in that the first clamping end (1151) further comprises at least a third clamping block (1155) and the second clamping end (1161) further comprises at least a fourth clamping block (1165), wherein the third clamping block (1155) and the fourth clamping block (1165) are used to clamp the delivery line of the oil pump in the first clamping space (111), wherein the third clamping block (1155) is located below the first clamping block (1152) and the fourth clamping block (1165) is located below the second clamping block (1162), and wherein there is a first distance (117) between the third clamping block (1155) and the first clamping block (1152) and between the fourth clamping block (1165) and the second clamping block (1162). Connecting device for oil pumps (10) according to claim 4, characterized in that the number of first clamping blocks (1152) and second clamping blocks (1162) is two each, wherein the two first clamping blocks (1152) comprise a first upper clamping block (1153) and a first lower clamping block (1154) located below the first upper clamping block (1153), wherein the two second clamping blocks (1162) comprise a second upper clamping block (1163) and a second lower clamping block (1164) located below the second upper clamping block (1163), wherein there is a second gap (118) between the first upper clamping block (1153) and the first lower clamping block (1154) and between the second upper clamping block (1163) and the second lower clamping block (1164);wherein the number of third clamping blocks (1155) and fourth clamping blocks (1165) is two each, wherein the two third clamping blocks (1155) comprise a third upper clamping block (1156) and a third lower clamping block (1157) located below the third upper clamping block (1156), wherein the two fourth clamping blocks (1165) comprise a fourth upper clamping block (1166) and a fourth lower clamping block (1167) located below the fourth upper clamping block (1166), wherein there is a third gap (119) between the third upper clamping block (1156) and the third lower clamping block (1157) and between the fourth upper clamping block (1166) and the fourth lower clamping block (1167);wherein the first gap (117) exists between the first lower clamping block (1154) and the third upper clamping block (1156) and between the second lower clamping block (1164) and the fourth upper clamping block (1166), wherein the size of the first gap (117) is larger than the size of the second gap (118) and the third gap (119), and wherein the size of the third gap (119) is larger than the size of the second gap (118). Connection device for oil pumps (10) according to claim 4, characterized in that the width of the third clamping block (1155) and the fourth clamping block (1165) is not smaller than the width of the first clamping block (1152) and the second clamping block (1162), wherein the first clamping block (1152), the second clamping block (1162), the third clamping block (1155) and the fourth clamping block (1165) are all elastic clamping blocks. Connecting device for oil pumps (10) according to claim 2, characterized in that the second clamping section (200) comprises a clamping arm (210), wherein a second clamping chamber (211) for clamping a side wall of the rim of the oil drum is formed between an inner wall surface of the clamping arm (210) and an outer wall surface of the connecting sleeve (110); wherein a locking block (212) is provided on an inner wall surface of a lower end of the clamping arm (210), wherein a locking groove (213) is provided on the locking block (212), wherein the locking groove (213) is used for engagement with a threaded section on an outer side wall of the rim of the drum, wherein the locking groove (213) is an arc-shaped locking groove (213). Connecting device for oil pumps (10) according to claim 7, characterized in that the clamping arm (210) and the connecting sleeve (110) are rotatably connected via a connecting block (300), wherein the clamping arm (210) comprises a pressing end (214) and a clamping end (215), wherein the locking block (212) is arranged at a lower end of the clamping end (215) and faces the second clamping chamber (211); wherein when the pressing end (214) is pressed, the clamping end (215) pivots about the connecting block (300) and tilts outwards, so that the locking groove (213) is separated from the rim of the oil drum, wherein when the pressing end (214) is released, the clamping end (215) pivots about the connecting block (300) and moves inwards, so that the side wall of the rim of the oil drum is clamped in the second clamping chamber (211) and the locking groove (213) engages with the threaded section on the outer side wall of the barrel rim. Connecting device for oil pumps (10) according to claim 8, characterized in that the connecting block (300) has a first connecting end (310) and a second connecting end (320), wherein the first connecting end (310) is connected to the outer wall surface of the connecting sleeve (110), wherein the second connecting end (320) is connected to the inner wall surface of the clamping arm (210), wherein the first connecting end (310) is provided with an arcuate connecting groove (311), wherein the connecting groove (311) is adapted to and connected with the arcuate side wall of the connecting sleeve (110), wherein an end section of the second connecting end (320) is provided with an inclined connecting end surface, wherein the inner wall surface of the clamping arm (210) is connected to the connecting end surface such that the clamping arm (210) and the connecting block (300) are arranged inclined to each other;wherein the distance between the clamping arm (210) and the connecting sleeve (110) gradually decreases from top to bottom; wherein the connecting block (300) is an elastic connecting block (300). Connecting device for oil pumps (10) according to claim 9, characterized in that at least one first reinforcing rib (312) is provided between an upper or lower surface of the connecting block (300) and the inner wall surface of the clamping arm (210), and wherein a downwardly recessed first recess (313) is further provided on the connecting block (300); wherein several non-slip raised strips (216) are provided on an outer wall surface of the press end (214); wherein the clamping arm (210), the connecting block (300) and the connecting sleeve (110) are formed in one piece.

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