Crankcase cover structure convenient to install

Abstract

The utility model relates to the technical field of crankcase, in particular to a crankcase cover structure convenient to install, which comprises a crankcase cover, a crankshaft hole, a crankcase body, a limiting assembly and two connecting mechanisms, each connecting mechanism comprises an installing plate, a fixing plate, a rotating table, a long rod, a telescopic assembly and a clamping block, the installing plate is provided with a through hole, the crankshaft hole is arranged on the crankcase cover, and the limiting assembly is arranged on the crankcase cover. The two connecting mechanisms are arranged at the two ends of the box cover and the two ends of the box body. The rotating table is rotationally connected with the mounting plate and located in the through hole. The long rod is slidably connected with the rotating table. The telescopic assembly is arranged at one end of the long rod and the rotating table. The clamping block is fixedly connected with the other end of the long rod. When the box cover is installed, the box body and the box cover are attached through the limiting assembly, the box cover and the box body are installed and fixed through the two connecting mechanisms, screws are not needed in the installation process, and the working intensity is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of crankcases, in particular to a crankcase cover structure which is easy to install. Background Art

[0002] General-purpose engines are generally used in two categories: power output and generator sets. They have a wide range of uses, and the crankcase cover is one of the protective parts on the generator. The current crankcase cover is not only tall and heavy, but also difficult to process, which causes many inconveniences in use.

[0003] The prior art CN209637895U comprises a case cover body, a protrusion is formed on the surface of the case cover body, the protrusion and the case cover body form a groove, the distance between the protrusion and the case cover body forms a case surface, a crankshaft hole is opened in the middle of the case cover body, a camshaft hole is opened at the lower left of the crankshaft hole, a crankshaft hole seat is arranged at the periphery of the crankshaft hole, reinforcing ribs are fixed around the crankshaft hole seat, the reinforcing ribs extend to the protrusion of the case cover body, a camshaft hole seat is arranged at the periphery of the camshaft hole, reinforcing ribs are fixed around the camshaft hole seat, an oil groove is opened on the camshaft hole seat, four bosses are arranged around the crankshaft hole on the back of the case cover body, the bosses are cylindrical structures, four reinforcing ribs are fixed around the bosses, and the four bosses are provided Four stepped bosses are provided on the outer side of the platform, and the stepped bosses are of a cylindrical structure. Four supporting ears are provided on both sides of the box cover body, and connecting holes are provided at the ends of the supporting ears. The supporting ears are connected to the box cover body through reinforcing ribs. Through the design of the utility model, eight mounting bosses are provided on the back of the box cover body for mounting the rotor and stator of the variable frequency motor, and two mounting supporting ears are provided on each side of the box cover body, and connecting holes are provided on the supporting ears for mounting the motor shield. The entire structure is integrally formed by die-casting to reduce the overall height of the box cover. The additional bosses and reinforcing ribs meet the assembly function, while ensuring the strength of the entire box cover and reducing the weight of the entire machine, and facilitating later opening and maintenance, thereby making up for the shortcomings of the existing variable frequency motors.

[0004] However, in the prior art, the crankcase cover needs to be installed with the aid of screws, which makes the installation process more troublesome and increases the workload of the installer. Utility Model Content

[0005] The utility model aims to provide a crankcase cover structure which is easy to install, thereby solving the problem that the crankcase cover needs to be installed with the aid of screws, the installation process is relatively troublesome, and the work intensity of the installers is increased.

[0006] To achieve the above-mentioned purpose, the utility model provides a crankcase cover structure that is easy to install, comprising a case cover, a crankshaft hole, a case body, a limit assembly and two connecting mechanisms, wherein the connecting mechanism comprises a mounting plate, a fixing plate, a rotating table, a long rod, a telescopic assembly and a clamping block, the mounting plate has a through hole, the crankshaft hole is arranged on the case cover, the fixing plate has a through groove and a clamping slot, the case body and the case cover are detachably connected, the limit assembly is arranged on the case cover and the case body, two connecting mechanisms are arranged at both ends of the case cover and the case body, the mounting plate is fixedly connected to the case cover, the fixing plate is fixedly connected to the case body, the rotating table is rotatably connected to the mounting plate and is located in the through hole, the long rod is slidably connected to the rotating table, the telescopic assembly is arranged at one end of the long rod and the rotating table, the clamping block is fixedly connected to the other end of the long rod, and the clamping block is slidably connected to the fixing plate and is located in the through groove.

[0007] Wherein, the telescopic assembly includes a reset spring and a pressure plate, the pressure plate is fixedly connected to the long rod and is located above the mounting plate, the two ends of the reset spring are respectively fixedly connected to the rotating table and the pressure plate, and the long rod is located inside the reset spring.

[0008] Among them, the limiting assembly includes multiple limiting columns and multiple limiting holes, multiple limiting columns are fixedly connected to the box cover and are located below the box cover, multiple limiting holes are arranged on the box body, multiple limiting columns are slidably connected to the box body, and are respectively located in the multiple limiting holes.

[0009] Wherein, the crankcase cover structure that is easy to install also includes a sealing strip, which is fixedly connected to the case cover and is located inside the case cover.

[0010] Wherein, the crankcase cover structure that is easy to install also includes a wiring mechanism, and the wiring mechanism is arranged on the case cover.

[0011] Wherein, the wiring mechanism comprises a plurality of fixing rings and a plurality of bolts, the box cover has a mounting hole, the plurality of bolts are threadedly connected to the box cover, and the plurality of fixing rings are respectively threadedly connected to the plurality of bolts.

[0012] The utility model provides a crankcase cover structure that is easy to install, the case body and the case cover are detachably connected, the limiting assembly is arranged on the case cover and the case body, the two connecting mechanisms are arranged at both ends of the case cover and the case body, the mounting plate is fixedly connected to the case cover, the fixing plate is fixedly connected to the case body, the rotating table is rotatably connected to the mounting plate and is located in the through hole, the long rod is slidably connected to the rotating table, the telescopic assembly is arranged at one end of the long rod and the rotating table, the clamping block is fixedly connected to the other end of the long rod, the clamping block is slidably connected to the fixing plate and is located in the through groove, when installing the case cover, the case cover is moved to the top of the case body, and the case cover is moved downward, and the limiting assembly is used to move the case cover. The box cover and the box body are fitted together, and when the box cover moves downward, the two card blocks respectively enter the through grooves on the two fixing plates. When the box cover and the box body are completely fitted together, the two long rods are pressed downward, the two telescopic components are contracted, the two card blocks move downward and leave the two through grooves, and then the two long rods are rotated. The two rotating tables rotate with the rotation of the long rods until the two card blocks are respectively aligned with the two card grooves. At this time, the two long rods are stopped from being pressed, and the two telescopic components respectively drive the two card blocks to move upward, and the two card blocks are respectively stuck in the two card grooves. The box cover and the box body are installed and fixed. The process of installing the box cover is simple, and no screws are required, which reduces the workload of the installer. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0014] Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the crankcase cover structure which is easy to install according to the utility model.

[0015] Figure 2 It is a schematic structural diagram of the first embodiment of the crankcase cover structure which is easy to install according to the utility model in another direction.

[0016] Figure 3 It is an overall cross-sectional view of the first embodiment of the crankcase cover structure that is easy to install according to the utility model.

[0017] Figure 4 yes Figure 3 Enlarged view of point A in the middle.

[0018] Figure 5 It is a schematic diagram of the overall structure of the second embodiment of the crankcase cover structure which is easy to install according to the utility model.

[0019] Figure 6 yes Figure 5 Enlarged view of point B in the middle.

[0020] 101-box cover, 102-bearing hole, 103-box body, 104-limiting column, 105-limiting hole, 106-mounting plate, 107-fixing plate, 108-reset spring, 109-pressing plate, 110-block, 111-through groove, 112-slot, 113-through hole, 114-rotating table, 115-sealing strip, 116-long rod, 201-mounting hole, 202-fixing ring, 203-bolt. DETAILED DESCRIPTION

[0021] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0022] The first embodiment of the present application is:

[0023] See also Figure 1-Figure 4 , Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the crankcase cover 101 structure which is easy to install according to the utility model. Figure 2 This is a schematic diagram of the overall structure of the first embodiment of the crankcase cover 101 structure that is easy to install according to the utility model from another direction. Figure 3 It is a sectional view of the whole of the first embodiment of the crankcase cover 101 structure which is easy to install according to the utility model. Figure 4 yes Figure 3 Enlarged view of point A in the middle.

[0024] The utility model provides a crankcase cover structure that is easy to install, including a case cover 101, a sealing strip 115, a crankshaft hole 102, a case body 103, a limiting assembly and two connecting mechanisms, wherein the connecting mechanism includes a mounting plate 106, a fixing plate 107, a rotating table 114, a long rod 116, a telescopic assembly and a clamping block 110, the mounting plate 106 has a through hole 113, the crankshaft hole 102 is arranged on the case cover 101, the fixing plate 107 has a through groove 111 and a clamping groove 112, the telescopic assembly includes a reset spring 108 and a pressure plate 109, and the limiting assembly includes a plurality of limiting columns 104 and a plurality of limiting holes 105. The above-mentioned scheme solves the problem that the installation of the crankcase cover 101 requires the use of screws, the installation process is relatively troublesome, and the work intensity of the installer is increased.

[0025] In this specific embodiment, the box body 103 is detachably connected to the box cover 101, the limiting assembly is arranged on the box cover 101 and the box body 103, the two connecting mechanisms are arranged at both ends of the box cover 101 and the box body 103, the mounting plate 106 is fixedly connected to the box cover 101, the fixing plate 107 is fixedly connected to the box body 103, the rotating table 114 is rotatably connected to the mounting plate 106 and is located in the through hole 113, the The long rod 116 is slidably connected to the rotating table 114, the telescopic assembly is arranged on one end of the long rod 116 and the rotating table 114, the clamping block 110 is fixedly connected to the other end of the long rod 116, the clamping block 110 is slidably connected to the fixing plate 107 and is located in the through groove 111. When installing the box cover 101, the box cover 101 is moved to the top of the box body 103, and the box cover 101 is moved downward, and the box body 103 is moved upward by the limiting assembly. The cover 101 and the box body 103 are fitted together, and when the box cover 101 moves downward, the two card blocks 110 respectively enter the through grooves 111 on the two fixing plates 107. When the box cover 101 and the box body 103 are completely fitted together, the two long rods 116 are pressed downward, the two telescopic components are contracted, the two card blocks 110 move downward and leave the two through grooves 111, and then the two long rods 116 are rotated, and the two rotating tables 114 rotate with the rotation of the long rods 116 until the two card blocks 110 are respectively aligned with the two card grooves 112. At this time, the pressing of the two long rods 116 is stopped, and the two telescopic components respectively drive the two card blocks 110 to move upward, and the two card blocks 110 are respectively stuck in the two card grooves 112. The box cover 101 and the box body 103 are installed and fixed. The process of installing the box cover 101 is simple, and no screws are required, which reduces the work intensity of the installer.

[0026] The pressing plate 109 is fixedly connected to the long rod 116 and is located above the mounting plate 106. The two ends of the reset spring 108 are respectively fixedly connected to the rotating platform 114 and the pressing plate 109, and the long rod 116 is located inside the reset spring 108. The plurality of limiting columns 104 are fixedly connected to the box cover 101 and are located below the box cover 101. The plurality of limiting holes 105 are provided on the box body 103. The columns 104 are slidably connected to the box body 103 and are respectively located in the plurality of limiting holes 105. When installing the box cover 101, the box cover 101 is moved to the top of the box body 103, and the plurality of limiting columns 104 are respectively aligned with the plurality of limiting holes 105. The box cover 101 is moved downward, and the plurality of limiting columns 104 respectively enter the plurality of limiting holes 105. The box cover 101 and the box body 103 are fitted together, and the box cover 101 is moved upward. When moving downward, the two card blocks 110 respectively enter the through grooves 111 on the two fixing plates 107. When the box cover 101 and the box body 103 are completely fitted together, the two pressing plates 109 are pressed downward, the two return springs 108 are contracted, the two card blocks 110 move downward and leave the two through grooves 111, and then the two long rods 116 are rotated. The two rotating tables 114 rotate with the rotation of the long rods 116 until the two card blocks 110 are respectively aligned with the two card grooves 112. At this time, the pressing of the two long rods 116 is stopped, and the two return springs 108 are extended under the action of their own elastic potential energy, and respectively drive the two card blocks 110 to move upward, and the two card blocks 110 are respectively stuck in the two card grooves 112. The box cover 101 and the box body 103 are installed and fixed. The process of installing the box cover 101 is simple, and no screws are required, which reduces the work intensity of the installer.

[0027] Secondly, the sealing strip 115 is fixedly connected to the case cover 101 and is located inside the case cover 101. When the case cover 101 and the case body 103 are installed, the sealing strip 115 on the case cover 101 closes the gap between the case cover 101 and the case body 103, thereby increasing the sealing performance of the crankcase.

[0028] When the crankcase is installed using the utility model, the case cover 101 is moved to the top of the case body 103, the plurality of limiting posts 104 are respectively aligned with the plurality of limiting holes 105, the case cover 101 is moved downward, the plurality of limiting posts 104 respectively enter the plurality of limiting holes 105, the case cover 101 and the case body 103 are fitted together, when the case cover 101 is moved downward, the two clamping blocks 110 respectively enter the through grooves 111 on the two fixing plates 107, when the case cover 101 and the case body 103 are completely fitted together, the two pressing plates 109 are pressed downward, the two return springs 108 are contracted, and the two clamping blocks 110 moves downward and leaves the two through slots 111, and then the two long rods 116 are rotated, and the two rotating tables 114 rotate with the rotation of the long rods 116 until the two blocking blocks 110 are aligned with the two blocking slots 112 respectively. At this time, the pressing of the two long rods 116 is stopped, and the two return springs 108 extend under the action of their own elastic potential energy, and respectively drive the two blocking blocks 110 to move upward, and the two blocking blocks 110 are respectively stuck in the two blocking slots 112, and the box cover 101 and the box body 103 are installed and fixed. The process of installing the box cover 101 is simple, and no screws are required, which reduces the work intensity of the installer.

[0029] The second embodiment of the present application is:

[0030] See also Figure 5-Figure 6 , Figure 5 It is a schematic diagram of the overall structure of the second embodiment of the crankcase cover 101 structure which is easy to install according to the utility model. Figure 6 yes Figure 5 The enlarged view of the A in the middle. Based on the first embodiment, the crankcase cover 101 structure that is easy to install in this embodiment further includes a wiring mechanism, the wiring mechanism includes a plurality of fixing rings 202 and a plurality of bolts 203, and the crankcase cover 101 has a mounting hole 201.

[0031] The plurality of bolts 203 are threadedly connected to the case cover 101, and the plurality of fixing rings 202 are respectively threadedly connected to the plurality of bolts 203. When installing the line, the line is extended through the mounting hole 201 to the interior of the crankcase for line connection. The line outside the case cover 101 is fixed to the outer wall of the case cover 101 by the plurality of bolts 203 and the sliding fixing ring 202, thereby avoiding danger caused by random placement of the line and increasing the safety of the device.

[0032] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A crankcase cover structure that is easy to install, comprising a case cover and a crankshaft hole, wherein the crankshaft hole is arranged on the case cover, characterized in that: The cam is provided with a through hole, and the fixing plate has a through slot and a slot; the cam is provided with a through hole, and the fixing plate has a through slot and a slot; the cam is detachably connected to the box cover; the limiting assembly is arranged on the box cover and the box cover; two connecting mechanisms are arranged at both ends of the box cover and the box cover; the mounting plate is fixedly connected to the box cover; the fixing plate is fixedly connected to the box cover; the rotating table is rotatably connected to the mounting plate and is located in the through hole; the long rod is slidably connected to the rotating table; the telescopic assembly is arranged on one end of the long rod and the rotating table; the block is fixedly connected to the other end of the long rod; the block is slidably connected to the fixing plate and is located in the through slot.

2. The crankcase cover structure that is easy to install as claimed in claim 1, characterized in that: The telescopic assembly includes a reset spring and a pressure plate, the pressure plate is fixedly connected to the long rod and is located above the mounting plate, the two ends of the reset spring are respectively fixedly connected to the rotating table and the pressure plate, and the long rod is located in the reset spring.

3. The crankcase cover structure that is easy to install as claimed in claim 1, characterized in that: The limiting assembly includes a plurality of limiting columns and a plurality of limiting holes, wherein the plurality of limiting columns are fixedly connected to the box cover and are located below the box cover, and the plurality of limiting holes are arranged on the box body, and the plurality of limiting columns are slidably connected to the box body and are respectively located in the plurality of limiting holes.

4. The crankcase cover structure that is easy to install as claimed in claim 1, characterized in that: The crankcase cover structure that is easy to install also includes a sealing strip, which is fixedly connected to the case cover and is located inside the case cover.

5. The crankcase cover structure that is easy to install as claimed in claim 1, characterized in that: The crankcase cover structure that is easy to install also includes a wiring mechanism, and the wiring mechanism is arranged on the case cover.

6. The crankcase cover structure that is easy to install as claimed in claim 5, characterized in that: The wiring mechanism comprises a plurality of fixing rings and a plurality of bolts. The box cover has a mounting hole. The plurality of bolts are threadedly connected to the box cover. The plurality of fixing rings are respectively threadedly connected to the plurality of bolts.

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