5results about How to "Stable connection strength" patented technology

The utility model discloses a row cutting machine clamping mechanism which is connected to a feeding driving mechanism of a row cutting machine body through a connecting plate and comprises a shell frame body, a main rotating shaft, a chuck assembly, a tail rod, a torsion spring and a front baffle. The two side chuck pieces are located at the two ends of the multiple side-by-side middle chuck pieces respectively, and the backs of the two side chuck pieces protrude upwards and are connected to the two ends of the handle through bolts respectively. According to the clamping mechanism of the row cutting machine, the connecting strength of the handle part is improved, and the chuck assembly is more stable in structure and not prone to deformation and damage.

The utility model discloses a battery module with heating films, which comprises a battery cell group, end plates are respectively arranged on the front side and the rear side of the battery cell group, the heating films are respectively arranged on the left side and the right side of the battery cell group, the heating films extend along the front-back direction, and each heating film comprises a film body attached to the side surface of the battery cell group. Lugs are arranged on the front side and the rear side of the film body respectively, the two lugs correspond to the two end plates one to one, and the lugs are connected with the end plates through clamping pieces; the method has the advantages of being good in stability and safety.

The utility model discloses a novel farmland drainage ditch, which relates to the technical field of farmland drainage and comprises a prefabricated drainage ditch component, the prefabricated drainage ditch component is of a long strip structure, a drainage ditch with a linear arc-shaped recess is arranged on the top surface of the prefabricated drainage ditch component, and a female connector is arranged on the front end surface of the prefabricated drainage ditch component. A male connecting column is arranged on the rear end face of the prefabricated drainage ditch component. A lampshade shell is mounted in the lampshade shell mounting groove, the lampshade shell is clamped in the lampshade shell clamping groove through a lampshade shell pressing foot at the bottom end of the lampshade shell, and waterproof sealant is injected into a sealant injection seam in the lampshade shell clamping groove. The drainage ditch can be effectively prevented from being treaded by people through the ditch cover plate, after the ditch cover plate covers the drainage ditch, the people can conveniently observe the condition of water flow in the drainage ditch through the ventilation observation holes formed in the surface of the ditch cover plate, and heat dissipation of the temperature of the water flow in the drainage ditch is facilitated in hot days.

The utility model discloses a pump head shell for a waist support and a pump valve all-in-one machine, which relates to the technical field of pneumatic waist supports and comprises a shell body, a plurality of air pipe connector accommodating pipes and a connector connector accommodating pipe. The shell body is provided with an accommodating cavity; the connector assembly connector containing pipe and the air pipe connector containing pipes are of an internal penetrating structure, and one end of the connector assembly connector containing pipe and one end of each air pipe connector containing pipe are fixedly arranged at one end of the shell body and extend towards the side away from the shell body. A gas pipe observation opening is formed in the side wall of each gas pipe joint accommodating pipe; one end, far away from the shell body, of the gas pipe observation opening does not exceed one end, far away from the shell body, of the gas pipe joint accommodating pipe in the extension direction of the gas pipe joint accommodating pipe; a first reinforcing piece used for being fixedly connected with the shell body is fixedly arranged on the outer side wall of each air pipe connector containing pipe, and a second reinforcing piece used for being fixedly connected with the shell body is fixedly arranged on the outer side wall of the connector connector containing pipe. The overall strength is improved, safe use is guaranteed, and the structure is simple, stable and reliable.

The utility model relates to a movable house technical field especially is a movable house steel structure quick -mounting connecting device, including steel frame beam, one side of steel frame beam is equipped with the connecting support, the top both sides of connecting support are equipped with the connecting groove of adapting with steel frame beam, is equipped with the anti -drop subassembly between steel frame beam and connecting groove, the bottom one end fixed connection of steel frame beam has the connecting support plate, and the end part between connecting support plate and connecting support is equipped with the limiting component and connecting component, the anti -drop subassembly includes ratchet dog clamping strip and anti -drop groove, ratchet dog clamping strip fixed mounting is in the inner bottom of connecting groove, and anti -drop groove opens in the bottom of steel frame beam, and the inner chamber one end of anti -drop groove is equipped with anti -drop ratchet dog, in the utility model, the connecting between steel frame beam and connecting support passes through anti -drop subassembly, limiting component and connecting component, not only whole connecting process is quick and simple, and can avoid the influence movable house's overall strength because of only adopting the mode of bolt connection and appearing bolt loosening subsequently.