16results about How to "Achieve length adjustment" patented technology

The utility model discloses an anti-corrosion ball valve which comprises a supporting seat, a pair of protective covers and a ball valve body, supporting feet are arranged at the four corners of the bottom of the supporting seat, a pair of first supporting frames and a pair of second supporting frames are arranged on the two sides of the supporting seat respectively, and a rotatable screw rod is arranged between the pair of first supporting frames. A fixing rod is arranged between the pair of second supporting frames, a pair of first connecting plates and a pair of second connecting plates are arranged on the two sides of the pair of protective covers respectively, the pair of first connecting plates are each provided with a pair of screw holes with opposite rotating directions, and the pair of second connecting plates are each provided with a through hole; the protective covers comprise a first protective cover and a second protective cover, first fixing plates are arranged at the upper end and the lower end of the first protective cover, second fixing plates are arranged at the upper end and the lower end of the second protective cover, inserting blocks are arranged on the first fixing plates, inserting holes are formed in the second fixing plates, and connecting holes are formed in the ends of the inserting blocks. A locking rod capable of horizontally sliding is arranged on the second fixing plate, and the locking rod can be elastically inserted into the connecting hole.

This invention provides a bracket, a heat exchange component, and an air conditioner. The bracket is disposed on a heat exchanger and is used to fix the sterilization component. The bracket includes: a first bracket; a second bracket; and a connecting rod, which includes a first end and a second end, the first end being connected to the first bracket and the second end being connected to the second bracket. The first bracket is used to rotate around the first end, and the second bracket is used to rotate around the second end. The problem solved by this invention is how to make the sterilization bracket usable in different models of air conditioners. Compared with the prior art, the technical effect achieved by this invention is that by rotating the first and second brackets, the overall length of the bracket is changed, thereby enabling the bracket to adapt to different models of air conditioners.

The invention belongs to the technical field of engineering machinery, and relates to a length-adjustable connecting rod structure and an excavator. The length-adjustable connecting rod structure comprises two thread adjusting assemblies of the same structure, a first shaft seat and two second shaft seats, and one ends of the two thread adjusting assemblies are connected with two fixing rods symmetrically arranged on the first shaft seat through limiting devices; one end of the threaded adjusting assembly is in threaded connection with the first shaft seat, the other end of the threaded adjusting assembly is in threaded connection with lifting sleeves arranged on the two second shaft seats, the threaded adjusting assembly comprises two symmetrical semi-cylindrical external threaded sleeves, internal threads matched with the two semi-cylindrical external threaded sleeves are correspondingly arranged on the inner sides of the lifting sleeves, and a connecting rod is fixed between the lifting sleeves on the two second shaft seats; the length of the connecting rod structure is adjusted by rotating the two thread adjusting assemblies at the same time. The connecting rod has the function of adjusting the length of the connecting rod, the length of the connecting rod can be adjusted according to different inward-folding and outward-turning angle changes and four-connecting-rod transmission ratio changes of an assembled bucket or machine tool, and the requirements of different working conditions are met.

The utility model discloses a low -noise hydrophone array with easily dismounts support, including support and fixed on the support a plurality of low -noise hydrophone, the support includes mounting panel and hydrophone mounting spare, is equipped with vertical support between hydrophone mounting spare and mounting panel, and hydrophone mounting spare is connected with mounting panel through vertical support, hydrophone mounting spare includes horizontal bar, and the both ends fixed first buckle with vertical support fixed connection of horizontal bar, and the horizontal bar is opened in the sliding slot, and the sliding slot is slidably provided with a plurality of hydrophone holder's of low -noise hydrophone's hydrophone holder, advantage: realize the adjustment of different interval between hydrophone array element, and ensure that hydrophone array can work at the same water depth height.

The utility model discloses a joint pipe with a length adjusting function, which belongs to the technical field of concrete diaphragm wall construction and comprises a joint pipe and butt joint structures arranged at the upper end and the lower end of the joint pipe, and each butt joint structure comprises a plurality of connecting holes and bolt holes which are arranged at the upper end of the joint pipe and are coaxial with the joint pipe. The first threaded hole is formed in the side face of the connector pipe and penetrates through the connecting hole, the connecting block and the plug pin are arranged at the lower end of the connector pipe, the connecting block is in butt joint with the connecting hole, a through hole coaxial with the first threaded hole is formed in the connecting block, and the plug pin is telescopically arranged in the connector pipe through an adjusting mechanism. And the end part of the plug pin and the plug pin hole are of a matched conical structure. The butt joint structures are arranged at the two ends of the joint pipe, the multiple joint pipes can be selected to be spliced according to the depth of a foundation pit, the length of the joint pipes can be adjusted, and therefore the construction requirements of the joint pipes of different diaphragm walls are met, transportation and management are convenient, and construction efficiency is improved.

The application belongs to the technical field of hedge trimming, and discloses a hedge trimming unmanned vehicle, which comprises an intelligent trolley, a mechanical arm assembly and a trimming mechanism. The intelligent trolley comprises a movable chassis, a power module, a driving module, a visual navigation module, a control module, a quality feedback module and a remote monitoring and emergency processing module. The mechanical arm assembly comprises a rotating table and a three-axis mechanical arm. The trimming mechanism comprises a mounting seat and two groups of vertically arranged trimming cutters. The trimming cutter comprises a mounting plate, a fixed shaft is arranged on the mounting plate, two main connecting arms are rotatably arranged on the fixed shaft, a secondary connecting arm is rotatably arranged at one end of the main connecting arm, the two secondary connecting arms are connected through a hinge shaft, a quadrilateral linkage mechanism is formed, a driving assembly is further arranged on the mounting plate, and a first reciprocating cutter assembly and a second reciprocating cutter assembly are respectively arranged on the main connecting arm and the secondary connecting arm. The length adjustment of the trimming mechanism is realized through the quadrilateral linkage mechanism, sufficient avoiding space is provided for the cutter, and the risk of collision with obstacles is reduced.

The utility model belongs to the technical field of fishing and camping, especially a fishing and camping vehicle, including base plate one and base plate two that sets up in the one side of base plate one, still include: folding hinge piece, the lower end of being connected in base plate one, side plate piece, the outside of being connected in base plate one and base plate two, and through folding hinge piece and folding hinge piece's cooperation, the overall structure can realize " base folding + side plate folding " double folding, the volume can reduce after folding, can easily put into the car trunk or domestic corner storage, and the upper end of base plate one, base plate two and side plate piece is provided with protective cloth, can avoid article to drop, and side plate piece and the occlusion door board form closed enclosure space, cooperate the self -locking function of locking mechanism, can effectively prevent equipment in the process of transportation from shaking, falling.

A dust collector telescopic pipe structure comprises a movable pipe and a fixed pipe, the movable pipe is movably connected to the inner side of one end of the fixed pipe in a sleeved mode, a buckling groove arranged in the axial direction is formed in the circumferential wall of the movable pipe, a neck bush is fixedly connected to the inserting end of the fixed pipe in a sleeved mode, and an elastic buckle matched with the buckling groove and located outside the buckling groove is arranged on the inner side of the side wall of the neck bush. The outer side of the side wall of the inner bush is provided with elastic buckle triggering protruding points corresponding to the elastic buckles, the outer side of the inner bush is sleeved with an outer bush, the inner bush and the outer bush are elastically connected through an axially-arranged elastic piece, and the inner side of the side wall of the outer bush is provided with ejector blocks corresponding to the elastic buckle triggering protruding points. A receding groove is formed in the inner side of the side wall of the outer lining and located on the side, close to the elastic piece, of the ejector block. According to the scheme, the locking structure is arranged between the outer lining and the inner lining, the outer lining can protect the locking structure to a certain degree, the appearance is simple and attractive, the requirement for simple design is met, and the lining is suitable for being popularized.

The utility model discloses a combined high stability shaft coupling belongs to shaft coupling technical field, it includes half coupling, the half coupling number is two, one side fixedly connected with fixed ring of half coupling, the half coupling is close to fixed ring one side and is connected with the adjusting seat of sliding, the adjusting seat is close to fixed ring one end and is seted up with the sliding slot. This combined high stability shaft coupling, through setting adjusting seat, fixed base and limit frame, adjusting seat moves to the axle of half coupling two sides, thereby let adjusting seat sliding drive fixed base and movable block move to limit frame outside, until adjusting seat inserts and installs on the surface of axle, rotates the limiting bolt, makes the limiting bolt and inserts into the inside of the insertion slot, thereby let the limiting bolt can to the spacing of adjusting seat and movable block, realizes to half coupling length adjustment, thereby convenient shaft coupling installs between the axle of different distance, improved shaft coupling practicality.

The invention discloses a length-adjustable overhanging type scaffold support which comprises a vertical supporting angle steel, a longitudinal supporting angle steel, a transverse supporting angle steel, a longitudinal supporting angle steel and a transverse supporting angle steel, wherein the vertical supporting angle steel is vertically arranged on a building wall surface; the transverse long supporting steel plate is horizontally welded and fixed to the vertical supporting angle steel; the transverse short supporting steel plates are rotationally connected to the transverse long supporting steel plates through bolts; the oblique long supporting steel plate is obliquely and rotationally arranged on the vertical supporting angle steel; the oblique short supporting steel plates are rotationally connected to the oblique long supporting steel plates through bolts; the ends, close to each other, of the transverse short supporting steel plates and the oblique short supporting steel plates are connected and fixed through bolts. According to the overhanging type scaffold support, the transverse short supporting steel plates and the inclined short supporting steel plates which are freely disassembled and assembled are arranged and matched with the rotary inclined long supporting steel plates, so that the length of the whole overhanging type scaffold support can be adjusted, free switching between the two lengths of 1.4 m and 1.9 m can be achieved, and the overhanging type scaffold support is convenient to use. The requirement for the overhanging type scaffold support in most building construction is met, the engineering manufacturing cost is reduced, and the engineering efficiency is improved.

The utility model relates to an agricultural planting greenhouse convenient to disassemble, which belongs to the technical field of agricultural planting greenhouses and comprises an agricultural planting greenhouse body, the agricultural planting greenhouse body is composed of two bottom frames, two stand columns slidably mounted between the two bottom frames and an arch frame fixedly mounted between the two stand columns, the two stand columns and the arched frame form supporting parts, the number of the supporting parts in the agricultural planting greenhouse body is multiple, and a first reinforcing piece is arranged between every two adjacent supporting parts. According to the agricultural planting greenhouse convenient to disassemble, through the arranged bottom frame, sand or soil can be contained in the bottom frame, and the whole framework can be conveniently fixed; according to the agricultural planting greenhouse, all the components are connected through bolts, mounting and dismounting are convenient, connection between the two stand columns can be enhanced through the first reinforcing guide rods, the first reinforcing structures and the second reinforcing structures, stable mounting of the agricultural planting greenhouse body is guaranteed, and therefore the advantages of being high in practicability and good in mounting effect are achieved.

The utility model discloses an adjustable monitoring camera installation support, and relates to the technical field of camera installation. The mounting table is fixedly mounted on a wall, one side of the mounting table is connected with a quick dismounting assembly, the quick dismounting assembly is at least used for quickly dismounting the camera from the mounting table, a sleeve is arranged on the side, away from the mounting table, of the quick dismounting assembly, a sliding adjusting head is arranged at one end of the sleeve, and the adjusting head and the sleeve are at least used for adjusting the extension length of the camera. A rotating core body is arranged in one end of the adjusting head, the rotating core body is at least used for adjusting the camera along the installation angle of the adjusting head, and a connecting arm is installed outside the adjusting head through the rotating core body. By adopting the quick-release assembly, the mounting table can be firstly fixed on the wall, and then the quick-release assembly is used for realizing the mounting of the camera, so that the inconvenience that people hold the camera and the bracket by hand and then fix the camera and the bracket on the wall by using bolts is avoided, and the effect of convenience in mounting the camera is realized.

The utility model discloses a combined mouth mirror which comprises a lens and a sleeve rod, a lug seat is fixedly installed on the outer surface wall of the lens, the lug seat is rotatably connected with a matching seat through a shaft rod, and the outer surface wall of the matching seat is fixedly connected with a moving rod. According to the device, an operator holds the sleeve rod and pokes the length rotating wheel through fingers, a sliding base at the bottom of the length rotating wheel slides along an annular clamping groove, the relative position of the length rotating wheel and the sleeve rod is kept unchanged, and in the process, the inner surface wall of the length rotating wheel is screwed with the outer surface wall of the moving rod, so that pushing force is provided for the moving rod; the sliding block at the bottom of the moving rod synchronously slides along the sliding groove, axial deflection of the moving rod can be limited, the moving rod can stably stretch out, the overall length of the mouth mirror is adjusted by changing the relative position of the moving rod, the whole operation process can be completed by one hand of an operator, and therefore the use convenience of the mouth mirror is improved.

The utility model relates to the technical field of needle warming moxibustion equipment, and particularly discloses an anti-scald device for needle warming moxibustion, which comprises an outer cylinder and an inner cylinder, the outer cylinder is sleeved outside the inner cylinder, and the outer cylinder is in sliding fit with the inner cylinder; a sliding groove penetrating through the outer cylinder is formed in the cylinder wall of the outer cylinder, and limiting grooves communicating with the sliding groove are symmetrically formed in the two sides of the sliding groove in the cylinder wall of the outer cylinder. Elastic pieces are symmetrically arranged at the upper end of the inner cylinder, limiting plates are arranged at the upper ends of the elastic pieces and matched with the limiting grooves, extension plates are arranged at one ends of the limiting plates, and push plates are arranged at one ends of the extension plates; a top cover is arranged at the upper end of the outer cylinder, a needle inserting cylinder extending into the outer cylinder is arranged in the middle of the top cover, an outer edge is arranged at the upper end of the top cover, and the outer edge and the top cover form a cavity for collecting moxa ash; a mounting groove is formed in the upper end of the rubber base, and the rubber base is mounted at the bottom of the inner cylinder through the mounting groove; scalds are effectively prevented, moxa ash can be collected, and a treatment environment is kept clean.