142 results about "Hollow shape" patented technology

A switching device (5) is a switching device that can be provided in a thermal management circuit and that can switch a flow path of a medium flowing through the thermal management circuit. The switching device (5) includes at least one spool (101 to 103), a case (20), and a seal material (500). A part of the flow path is formed in the case (20). The at least one spool includes a hollow spool (101) made of a synthetic resin and formed in a hollow shape. The hollow spool (101) has at least one opening (h10, h20). The seal material (500) is provided between an outer circumferential surface of the hollow spool (101) and the case (20).

The utility model belongs to the technical field of sheet metal part production and machining, and particularly relates to a sheet metal part welding device which comprises a workbench and a welding robot which are vertically arranged at intervals, a driving mechanism and a sliding groove are arranged in the workbench at intervals, and a bracket bearing rod is installed in the sliding groove in a sliding mode. A hollow material carrying frame is connected to the exterior of the workbench through a driving mechanism and a bracket bearing rod, a triangular toothed plate is fixed to the top of the material carrying frame, a slag receiving water tank with an opening facing the material carrying frame is formed in the bottom of the workbench, and the length of the slag receiving water tank is larger than that of the material carrying frame. Rollers and flange supporting plates parallel to the material carrying frame are vertically and sequentially arranged in the sliding grooves, the two ends of each roller are rotationally installed at the tops of the adjacent flange supporting plates correspondingly, and concave bearing seats are fixed to the sides, located in the sliding grooves, of the bracket bearing rods. The welding slag collecting device can collect welding slag in the whole process, the welding slag adhering to the interior of the welding device can be reduced, follow-up cleaning is avoided, and the welding ending workload is reduced.

In a vehicle impact absorbing structure, an impact absorbing member (22) is disposed in a side sill formed in a hollow shape in a vehicle front-and-rear direction, as a configuration that absorbs energy during a collision on the side of a vehicle. The impact absorbing member (22) is formed and disposed in a corrugated shape in the vehicle front-and-rear direction. The corrugated-plate shape is provided, between ridge lines (24a) and (24b) and between ridge lines (24c) and (24d), the ridge lines (24a), (24b), (24c), and (24d) being arranged in the vehicle front-and-rear direction, with a reinforcing shape (a first bead (36)) that prevents or suppresses falling deformation of the ridge lines (24a), (24b), (24c), and (24d) in the vehicle front-and-rear direction.

The utility model relates to the technical field of ceramic products, concretely relates to an artistic ceramic ornament with hollow shape. The artistic ceramic ornament with hollow shape of the present application, including ceramic base, the ceramic base is rotatoryly installed with ornament body, the ornament body includes the rotation subassembly installed on the ceramic base, the rotation subassembly is installed with light assembly, the light assembly periphery is equipped with the decorative body, the decorative body with the rotation subassembly passes through the detachable connection of joint or screw thread connection mode, thereby the maintenance and cleaning are convenient, when the rotation subassembly drives the ornament body rotates, the light of light assembly emits in proper order and passes through the hollow part of decorative body and the first hollow hole equipped with on the ceramic base, thereby projects the light and shadow pattern that changes ceaselessly, dynamic on the desktop, greatly enhances artistic appreciation and visual impact.

The invention discloses a petal-shaped elastic polishing wheel structure, and relates to the technical field of elastic polishing wheels, the petal-shaped elastic polishing wheel structure comprises a polishing wheel main body which is arranged in a clamping device in a limiting manner and is used for polishing a workpiece; the ejector pin is elastically inserted into the polishing wheel main body to sense the abrasion condition; the deformation plates are coaxially and symmetrically arranged on the inner wall of the polishing wheel body and used for elastically expanding the polishing wheel body; the adjusting rod is movably inserted into the deformation plate to drive the deformation plate to elastically deform; the moving columns are symmetrically arranged on the surface of the special-shaped clamping block and elastically move along with the displacement of the special-shaped clamping block. The characteristics that the elastic petal polishing head is in an independent hollow shape and can elastically deform during machining, and elastic materials can be gradually abraded, reduced and irreversible are ingeniously utilized, the backward retraction distance of the ejector pin during machining is combined with a one-way limiting structure, gaps generated by loss of the polishing head can be automatically made up in real time, and the machining precision is improved. And the preset fitting pressure between the working surface and the workpiece is kept all the time.

The utility model discloses a device for measuring the dry slag rate of liquid reduced lead. The device comprises a sampling mechanism for sampling reduced lead liquid from a liquid lead bag, and an ingot casting mold for preparing the reduced lead liquid taken by the sampling mechanism into a lead ingot for measuring the oxygen content and the sulfur content so as to calculate the dry slag rate of the reduced lead, the sampling mechanism comprises a sampling rod, a sealing plug matched with the sampling rod for sampling, and a handle connected to the outer wall of the sampling rod; the top end of an inner hole of the sampling rod is in a circular truncated cone shape facilitating installation of the sealing plug. The lower part of the sealing plug is in a big-end-up circular truncated cone shape matched with the top end of the inner hole of the sampling rod; the ingot casting mold is in a hollow cylinder shape with a bottom, and the interior of the ingot casting mold is in a big-end-up circular truncated cone shape so that a circular truncated cone-shaped lead ingot can be cast. The dry slag rate measuring device is simple in structure, rapid in dry slag rate measurement and high in accuracy, solves the problems that a conventional wet lead dry slag rate measurement period is long, measured data are easy to interfere, and measured values have deviation, and can better guide adjustment in the production process.

According to some example embodiments, a label pickup module may include a pad part including cells and suction holes penetrating through each cell from one surface of each of the cells contacting labels to the other surface; an adsorption flow path part on an upper portion of the pad part and an air movement passage formed therein, communicating with the suction holes; a rod parts having one side fixed to each of the cells and independently movable up and down; a body part on the other side of the rod parts, including rooms having a hollow shape configured to move while accommodating each of the rod parts, and having air holes configured to move air through each of the rooms; and an air blocking unit configured to open and close the air holes.

In a vehicle impact absorbing structure, an impact absorbing member (22) is disposed, as a configuration that absorbs energy during a collision on the side of a vehicle, in a side sill formed in a hollow shape in a vehicle front-and-rear direction.The impact absorbing member (22) is formed and disposed in a corrugated-plate shape in the vehicle front-and-rear direction. The corrugated-plate shape is formed in such a manner that a lineal length L1 of an edge portion (26) in a predetermined area in the vehicle front-and-rear direction and a lineal length L2 of a portion (28) other than the edge portion (26) are different, and is formed in such a manner that a direction of a ridge line (24) in the edge portion (26) of the corrugated-plate shape is a direction that is deviated from and is inclined with respect to a vehicle width direction.

The invention discloses a high-precision high-strength durable bevel gear machining process which comprises the following steps: S1, putting raw materials for manufacturing a blank into a 260T forming press, performing compression molding by using the forming press to obtain a blank piece, and taking out the blank piece for later use; s2, the raw materials for manufacturing the copper infiltration block are subjected to compression molding through a molding press; s3, high-temperature sintering is conducted on the blank piece and the copper infiltrated block, and a copper infiltrated blank is sintered in a nitrogen-based atmosphere; s4, the copper infiltrated blank obtained in the S3 is soaked in anti-rust oil, and the outer diameter, the inner diameter and the height size are subjected to subsequent finish turning; and S5, the workpiece obtained in the S4 is machined, rough gear hobbing, deburring and gear grinding are conducted in sequence, and a final finished product is obtained. The novel powder metallurgy process is adopted, the efficiency is improved by 40%, the material utilization rate is 95%, the energy consumption is reduced by 50%, the density of the obtained product can reach 7.5 g / cm < 3 >, the precision is 0.004 mm, the product can bear large loads without cracking, the hardness can reach HRC15-30 without heat treatment, the precision is high, the noise is low, the strength is high, and durability is achieved, and meanwhile the running noise can be reduced through the middle clearance shape.

The invention relates to the technical field of laser cutting devices, in particular to a laser cutting device for metal material machining, which comprises a workbench, two groups of turn-over clamps arranged on the workbench in a right opposite manner, and two laser cutting frames arranged in a front-back symmetrical manner, the electric moving frame is used for driving the two laser cutting frames to ascend, descend, transversely move and get close to each other or get away from each other, the laser cutting heads are arranged at equal intervals, the width adjusting mechanisms are used for adjusting the distance between the adjacent laser cutting heads, and the width adjusting mechanisms are installed on the laser cutting frames. The laser cutting frame is installed on the workbench through an electric moving frame. A plurality of hollow shapes can be formed at a time, the energy consumption is lower, the punching efficiency is higher, the production cycle of the lamp pole is shortened, the lamp pole can be turned over automatically, more time and labor are saved in the turning-over process, the risk that workers are injured by a drill bit is avoided, and use is more convenient.

An implement includes a machine body and a work device attached to the machine body. The work device includes a swing member swingable about a shaft as a fulcrum. The swing member includes a main body and a coupling body coupled to an end portion of the main body and to which the shaft is attached. The coupling body has a hollow shape, and has an opening that opens an inside of the coupling body in the end surface on the main body side. The swing member further includes a lid body that closes the opening.

The utility model relates to the field of oil cylinders, in particular to a hollow oil cylinder for a leveler, which comprises a cylinder body assembly, a cylinder head and a cylinder tail are respectively arranged on two sides of the cylinder body assembly, a piston component is slidably arranged in the cylinder body assembly, a sleeve is arranged in the middle between the cylinder tail and the piston component, and a threaded sleeve is arranged in the middle of the other side in the piston component. And the middle parts of the screw sleeve and the sleeve are hollow. According to the utility model, through the arrangement of the Glyd ring, the dustproof ring, the first rod seal and the first O-shaped ring, the sealing performance after the cylinder body assembly, the cylinder head, the cylinder tail and the piston rod assembly are assembled is ensured, the oil leakage phenomenon is prevented, the piston is supported through the two second guide rings, the radial force is borne, the piston and the cylinder body assembly are prevented from being in direct metal contact and abraded, and the service life of the piston is prolonged. In addition, the piston rod is supported through the first guide ring, the radial load is borne, and the rod and a cylinder head hole are kept concentric.

An oscillating water column (OWC) includes a top body and a bottom body. The top body includes a hollow shape, an open top end, an open bottom end, a chamber traversing between the open top and bottom ends, a power take-off system proximate to the open top end, and an air channel proximate to the open top end and the power take-off system. The bottom body includes a bottom heave plate and a plurality of flexible tethers coupling the top body and the bottom body.

The present invention provides a metal composite sintered body that can ensure sufficient bonding strength and can be manufactured in complex shapes, including hollow shapes and shapes with extremely small gaps. [Solution] A metal composite sintered body is formed by injection molding a mixture of metal powder and a binder, and then joining a first member and a second member, each made of a sintered body formed by injection molding, wherein the tensile strength of the joint surface between the first member and the second member is 80% or more of the tensile strength of the first member or the second member.

This invention provides a bubble-driven micro / nano motor, its fabrication method, and its applications, belonging to the technical field of micro / nano motors. The micro / nano motor comprises a host material and noble metal nanoparticles, wherein the host material constitutes the host of the micro / nano motor; the host of the micro / nano motor has a hollow shape with a single opening and inner and outer surfaces; wherein one of the inner or outer surfaces of the host is modified with the noble metal nanoparticles. Because the micro / nano motor host is hollow with inner and outer surfaces, and one of its surfaces is directionally modified with catalytically functional noble metal nanoparticles, the noble metal nanoparticles can react with substrates in the environment to generate bubbles, thereby achieving controllable movement of the micro / nano motor. This micro / nano motor has a highly flexible structural design, a simple fabrication method, strong operability, and is easy to adjust, showing broad application prospects in environmental remediation and biomedicine.

According to the present embodiments, there may be provided a vehicle steering device, comprising a steering shaft having a toothed portion having a plurality of mountains and valleys axially formed on an outer circumferential surface of an end portion thereof and circumferentially arranged, and rotated with a steering wheel to transfer a steering force, an upper column formed in a hollow shape and having the steering shaft coupled to and rotatingly supported on an inner circumferential side thereof, and a shaft fixing member having one side end coupled to the steering shaft and another side end coupled to the upper column to fix the steering shaft, and a method for assembling the same.

The invention discloses a fireproof flexible female cable which comprises a supporting steel pipe, four partition plates are arranged on the supporting steel pipe, and a plurality of wires are arranged among the four partition plates. A mica-wrapped tape and a ceramic silica gel tape are sequentially wound on the outer side of the conductor; a linked polyethylene insulating layer is arranged on the outer side of the fireproof insulating layer, and a plurality of isolation teeth are integrally extruded on the linked polyethylene insulating layer; the wire is installed through the supporting steel pipe and the partition plate which are integrally formed, and overall spiral twisting is carried out, so that the wire can be stably installed between the supporting steel pipe and the partition plate through the fireproof cable filler, heat generated by the wire can be conveniently dissipated through the hollow shape in the middle of the supporting steel pipe, and the safety use of the wire is improved; through the multi-layer composite structure design and innovative material combination, the comprehensive performance of the cable in extreme environments such as high temperature and fire disasters is improved, and the flexibility, the mechanical strength and the environmental protection property are considered at the same time.

The utility model discloses a kind of composite aluminum alloy windows of high-efficiency sound insulation and heat insulation, including two groups of beam body, sound insulation cavity is set in the beam body, sound insulation block is filled in the sound insulation cavity, multiple hexagonal through-holes are passed through and set in the outer wall of sound insulation block, two groups of the beam body are connected by heat insulation bridge, the outer wall of beam body is provided with connecting groove and connecting along, multiple support columns are set in the sound insulation cavity, multiple the support column is obliquely arranged alternately, and inside is hollow shape.The utility model fills sound insulation block with hexagonal through-hole in beam body sound insulation cavity, and the layout of zigzag of hollow support column is alternately inclined, convert traditional single, double-cavity linear type sound wave path into composite path of multiple refraction+multiple reflection, effectively weaken the penetration of medium-high frequency noise, simultaneously, hollow structure of support column can be filled with sound-absorbing material, further inhibit structure sound transmission, solve the problem that traditional profile cavity directly conducts noise and is easy to deform after filling.

The application relates to the technical field of laser cutting, in particular to a composite cutting head of a laser cutting machine, which comprises a laser composite cutting head composed of a machine shell, a composite cutting head and a composite pipe, a hydraulic telescopic rod is fixed on the machine shell, a lifting seat fixed with the composite cutting head is fixed on the output end of the hydraulic telescopic rod; a shielding structure is detachably installed on the bottom side of the lifting seat, a cleaning mechanism for cleaning is arranged in the shielding structure; the cleaning mechanism comprises a guide sleeve in a hollow shape, a cleaning assembly is arranged outside the guide sleeve, and the cleaning mechanism further comprises a driving assembly for adjustment. The composite cutting head of the laser cutting machine, through the lifting guide function of the cleaning mechanism, only different force exertion modes of an operator can realize two completely different cleaning modes, such as vibration knocking and rotary scraping, phased or combined action is realized, and double and thorough removal of stains on the inner wall of the shielding cover is realized.

Disclosed herein is a shock absorber. The shock absorber is provided to include a damping tube provided in a compression chamber and formed in a hollow shape to have a damping chamber therein, a damping piston provided to slidably move along an inner side of the damping tube and configured to pressurize a working fluid accommodated in the damping chamber, an extension rod configured to connect the damping piston and a piston rod, and at least one damping hole formed through the damping tube to allow the damping chamber and the compression chamber to communicate with each other.

The utility model discloses an intelligent e-commerce transmission picker, which belongs to the technical field of goods sorting, and comprises a conveying mechanism and an identification mechanism, the identification mechanism is arranged above the conveying mechanism, and the right side of the bottom of the conveying mechanism is correspondingly provided with a sorting box; discharging openings are formed in the front side and the rear side of the sorting box, the sizes of the two discharging openings are the same, and the top of the sorting box is in a hollow shape; a screening plate is mounted in the sorting box, and a beating block is correspondingly arranged at the bottom of the screening plate and mounted on the outer side of the inner end of the second rotating shaft. According to the intelligent e-commerce conveying picker, a second rotating shaft is rotationally installed in the sorting box, then a beating block is installed at the inner end of the second rotating shaft in a penetrating mode, the beating block can be driven to beat and vibrate a screening plate while the second rotating shaft rotates, and therefore vibration dredging of goods accumulated on the surface of the screening plate can be achieved; and it is avoided that goods are stacked on the surface of the screening plate, and later sorting use is affected.

The utility model relates to the field of linear compressors, in particular to a long-service-life linear compressor which comprises a shell, a piston rod, a piston rod and a piston rod. The stator assembly comprises a stator framework, and the stator framework is connected with the air cylinder seat; the rotor assembly is arranged in the stator assembly and comprises a piston, a first plate spring and a second plate spring are arranged at the two ends of the piston respectively, and the first plate spring and the second plate spring are connected with the stator framework; the piston is in a hollow shape and arranged outside the air cylinder seat in a sleeving mode. The first plate spring and the second plate spring are directly connected with the piston by improving an internal movement structure of the compressor, and the consequence of abrasion increase caused by machining and assembling errors can be reduced; the first plate spring and the second plate spring directly support the left and right sides of the piston, so that the radial supporting effect can be improved, abrasion of the compressor in the operation process is reduced, and the service life of the compressor is prolonged.

A pedal simulator according to the present disclosure includes: a housing; a piston slidably mounted in the housing to be movable in the housing; and an elastic part formed in a hollow shape and elastically supporting the piston inside the housing, and configured to be compressed by pressurization of the piston.

To emphasize the presence of a window and to make a room look wide.SOLUTION: In the structure of a room 11 including a 16a 16 formed in an internally hollow shape and a roof 13 provided continuously with the wall, an opening side wall and a side 16b penetrating the wall in the thickness direction are formed in the wall, the upper end of the opening is positioned above the height position of the roof, and a window frame 2122 is attached to the opening. The window frame includes a frame portion fixed to an inner peripheral edge portion of the opening portion and constituting a face of the opening portion, and side storage portions 21a, 21b, 22a, and 22b in which a shielding material 62 for shielding the opening portion is stored, and the side storage portions are located on sides outside the frame of the frame portion, are disposed in an inner hollow portion of the wall 16, and are opened toward the opening portion.SELECTED DRAWING: Figure 2

The utility model discloses an improved push broach structure for a chip patch thrust test, which comprises a broach body, the tail part of the broach body is inserted and fixed on an external digital display thrust test machine, the front end of the broach body is a V-shaped pointed-end blade, the rear part of the pointed-end blade is provided with a hollow area which is convenient for abdicating, the length of the hollow area is 1.5 mm, and the width of the hollow area is 0.6 mm; the hollow-out rear part of the cutting edge facilitates abdication, does not contact and rub a pin, is high in test precision, convenient to use, does not damage a product, is high in yield, and effectively meets the use requirements.

The invention relates to the field of fire hydrants, in particular to an outdoor fixed fire hydrant. When suffering from slight head-on collision, the device firstly touches an outer protection plate, and when touched, a connecting rod expands outwards to enable a first sliding block to slide in a first sliding groove, and then a first spring abuts against the first sliding block to carry out certain buffering, so that damage to the inner protection shell is reduced, and the safety of the device is improved. Mounting rings are arranged on the opposite surfaces of the protective shell and the outer protective plate, and a fourth spring is arranged between the mounting rings, so that the fourth spring can be propped against the outer protective plate after the fire hydrant body is impacted from the front side, more effective buffering is achieved, the fire hydrant body is protected, the outer protective plate can be arranged to be in a hollow shape, and rubber is filled in the outer protective plate, so that the fire hydrant body is protected. According to the outer protection plate, the overall buffering force of the outer protection plate is increased, meanwhile, under the condition that the outer protection plate is hollow and filled with rubber, the outer protection plate cannot be too hard, and therefore a vehicle which is slightly impacted can be prevented from being seriously damaged when being impacted.

The utility model discloses a detachable hosiery knitter needle cylinder, which relates to the technical field of hosiery knitters, and comprises an upper needle cylinder and a lower needle cylinder, and further comprises a hollow frame fixedly connected to the bottom end of the inner side of the upper needle cylinder, and the hollow frame is in a hollow shape with two communicated ends; the positioning open groove is formed in the top of the inner side of the lower needle cylinder, and the outer wall of the hollow frame is movably connected with the inner side of the positioning open groove; the mounting groove is formed in the top of the inner side of the lower needle cylinder and communicates with the positioning open groove, a limiting locking block is movably connected into the mounting groove, and the top of the limiting locking block is movably connected with the middle of the hollow frame in an inserted mode. The positioning open groove and the hollow frame are arranged between the upper needle cylinder and the lower needle cylinder for positioning, and the positioning open groove and the hollow frame are limited and locked by the limiting locking block in the mounting groove, so that the upper needle cylinder can be quickly locked when the upper needle cylinder is spliced at the top end of the lower needle cylinder, and meanwhile, the upper needle cylinder is convenient to disassemble and high in practicability. And the convenience and the efficiency of disassembling and assembling the upper needle cylinder on the lower needle cylinder are improved.

A battery cell according to the present invention comprises: an electrode assembly in which a first electrode, a second electrode, and a separator interposed therebetween are wound around a winding axis; a battery can including a side wall part formed in a hollow shape and a bottom part connected to one axial end portion of the side wall part, and accommodating the electrode assembly through the other axial end portion of the side wall part; and a cap for covering the other end portion of the battery can, wherein the side wall part includes: a first side wall extending in the axial direction from the edge of the bottom part; and a second side wall extending from the first side wall, and having an inner diameter smaller than that of the first side wall, and the cap can be coupled to the inner surface of the second side wall.

The novel mine dust removal device comprises a support and is characterized in that a collection shell is arranged on one side of the support, a separation shell is fixed to the middle of the support, an absorption pipe is connected to one side of the separation shell, and a first pump body is connected to the middle of the absorption pipe; one side of the absorption pipe is connected with an absorption cover, the absorption cover is in a horn shape, and the dust absorption range is enlarged; a first driver is fixed to the top of the separation shell, a centrifugal barrel is arranged at the bottom of the separation shell and fixed to an output shaft of the first driver, a plurality of long grooves are formed in the surface of the centrifugal barrel, the centrifugal barrel is hollow, and hook-and-loop fasteners are fixed to the inner face and the outer face of the centrifugal barrel. And a bearing at the bottom of the centrifugal cylinder is connected with a dust outlet pipe, one end of the dust outlet pipe penetrates through the separation shell and is fixedly connected with the separation shell, and the dust falling function is conveniently and efficiently achieved.