34 results about "Fourth rib" patented technology

The invention relates to a dummy for simulation trunk load testing. The dummy is characterized by comprising simulation skeletons and simulation soft tissues; the simulation skeletons include an axial skeleton, two symmetrically-arranged upper limbs and a lower limb; the axial skeleton comprises a skull, a spinal column, ribs, sternums and neck, shoulder and chest connecting pieces; the spinal column comprises a spinal column neck segment, a spinal column chest segment, a spinal column waist segment and a spinal column sacral segment; the ribs include two symmetrically-arranged first ribs, two symmetrically-arranged second ribs, two symmetrically-arranged third ribs, two symmetrically-arranged fourth ribs, two symmetrically-arranged fifth ribs, two symmetrically-arranged sixth ribs and two symmetrically-arranged seventh ribs; each upper limb comprises an upper limb girdle, humerus, radioulna, carpometacarpus, phalanxes, an adduction and abduction shaft, an elbow shaft and a wrist shaft; each upper limb girdle comprises a clavicle, a shoulder blade and a spina scapulae; each phalanx comprises a first phalanx body, a second phalanx body, a third phalanx body, a fourth phalanx body and a fifth phalanx body; the lower limb comprises a sacrum, two symmetrically-arranged hip bones, two closed holes, two thighbones and two installation fixing pieces; the simulation soft tissues comprise a head, a neck, a trunk, upper segments of thighs, the left upper limb and the right upper limb, and the head, the neck, the trunk and the upper segments of the thighs are wholly poured, curved and molded through silicone rubber. The dummy can be widely applied to various static or dynamic load testing processes.

The invention provides a hinge structure for an air-conditioner panel. The hinge structure comprises a rotary shaft, a first rib position, a second rib position, a third rib position, a fourth rib position, a fifth rib position, a sixth rib position and a limiting rib, wherein a shaft body of the rotary shaft is respectively connected with one end of the first rib position and one end of the second rib position; the other end of the first rib position and the other end of the second rib position are respectively connected with the third rib position; a connecting end of the first rib position and the third rib position is connected with one end of the fourth rib position; the other end of the fourth rib position is connected to the air-conditioner panel; the connecting end of the second rib position and the third rib position is connected with one end of the limiting rib; the other end of the limiting rib is connected with one end of the fifth rib position; the other end of the fifth rib position is connected to the air-conditioner panel; the fourth rib position, the third rib position, the limiting rib, the fifth rib position and corresponding parts of the air-conditioner panel enclose a closed structure; and the sixth rib position which is arranged in the closed structure is connected between the limiting rib and the air-conditioner panel. By adoption of the hinge structure, a dimensional requirement is met, and flexible rotation and positioning functions of a hinge are realized. The hinge structure is firm and durable.

The invention relates to a foldable umbrella frame having five ribs (II), wherein the first rib, the third rib, and the fourth rib are formed to be solid rods with outer flat portion. The second rib is still U-shaped structure and has its outer end with two parallel plates for receiving the inner end of the third rib when closing the umbrella. The ribs are pivoted to form a frame. Branch ribs have inner hooks to connect with outer flat portion that provides a small volume of the umbrella in closed state for facilitating carrying by users.

The invention belongs to the technical field of aircraft structure design and relates to a composite-material vertical fin combination method of unmanned aerial vehicle. The vertical fin comprises a skin, a wingtip cover, a front rib, a first covering cap, a second covering cap, a covering cap reinforcing frame, a front beam, a rear beam, a first rib, a second rib, a third rib and a fourth rib. According to the invention, the beams and the ribs are jointly cured to form a vertical fin framework, and then the vertical fin framework, the skin and the like are subjected to gluing and riveting formation. According to the method disclosed by the invention, the mould is simple, the numbers of parts and connecting rivets are reduced, assembly accuracy is improved.

Provided is a pneumatic tire that makes it possible to improve abrasion resistance performance and wet performance as well as improve tire appearance in a later period of wear. The distances GL1-GL4 from first to third main grooves 11, 12, 13 and a narrow groove 14 to a tire equator CL are configured to be 5-20%, 20-35%, 55-70%, and 40-60% of a tire ground contact half width TL / 2, respectively. The invention is provided with: a first lug groove 31 having one end that reaches a vehicle inner-side ground contact end E and another end that is closed inside a first rib 21; a second lug groove 32 having one end that is connected to the third main groove 13 and another end that is closed inside a second rib 22; a third lug groove 33 having one end that is connected to the second main groove 12 and another end that is closed inside a third rib 23; a fourth lug groove 34 having one end that is connected to the first main groove 11 and another end that is closed inside a fourth rib 24; a fifth lug groove 35 that intersects with the narrow groove 14 and has ends that are closed inside the fourth rib 24 and a fifth rib 25; and a sixth lug groove 36 having one end that reaches a vehicle outer-side ground contact end E and another end that is closed inside the fifth rib 25.

The invention relates to a motor cooling device, and discloses a water-cooling device for a motor. The water-cooling device for the motor comprises a base and sealing plates, wherein an outer ring of the base is arranged on the base; an internal cylinder of an engine base is arranged in the outer ring of the base; an annular space formed between the internal cylinder of the engine base and the outer ring of the base is welded through the sealing plates; adjacent water filling nozzle and water outlet are formed in the outer ring of the base; a plurality of water-cooling units are evenly distributed between the internal cylinder of the base and the outer ring of the base; each water-cooling unit comprises four outer ribs which are transversely arranged in sequence; the first outer ribs are welded on the sealing plate at the inner side; the second outer ribs and the fourth ribs are inlaid between the internal cylinder of the engine base and the outer ring of the base; the third outer ribs are welded on the sealing plate at the outer side; and the plurality of water-cooling units are sequentially arranged to form a cocurrent double-row water cooling structure. Due to double rows of circulating channels, one half of welding spots are reduced; and the water leakage risk can be effectively lowered by reduction of the welding spots. The motor is rusted or even damaged by leaking water, so that the service lifetime of the motor is prolonged.

A folding umbrella cloth supporting rib comprises a first rib rod, a second rib rod, a third rib rod and a fourth rib rod; the first rib rod, the second rib rod and the third rib are hinged end to endin sequence through hinge parts to form a linkage mechanism capable of rotationally folding around the hinged points; the fourth rib rod comprises an upper driven rib rod and a lower movable rib rodhinged end to end sequentially, a free end of the upper driven rib rod is hinged to the hinge part between the first rib rod and the second rib rod to form a single-axis double-parallel shear structure. Besides, the lower movable rib rod is hinged to the middle of the first rib rod, and the lower movable rib rod fits a free end of the first rib rod. With the single-axis double-parallel shear driving researched and utilized on the umbrella rib structure, the length of the hinged portion of the first rib rod and the second rib rod in a folding state can be shortened effectively, and thus the folding length of the umbrella cloth supporting rib in a folding state is shortened effectively on the premise of guaranteeing the same effective umbrella cloth application area.

The invention provides an anti-deformation structure for air door shafts of an air conditioner. The anti-deformation structure comprises a first air door, a second air door, a first rotating shaft, a second rotating shaft and a third rotating shaft, wherein the first air door and the second air door are provided with first rib plates, second rib plates, a plurality of third rib plates and fourth rib plates; inclination directions of the two adjacent fourth rib plates are the same; the first rotating shaft, the second rotating shaft and the third rotating shaft are connected between the first rib plates and the second rib plates; one ends of the third rib plates intersect the first rib plates; the other ends of the third rib plates intersect the second rib plates, and stretch out of the outer parts of the second rib plates; the height of the parts, stretching out of the outer parts of the second rib plates, of the third rib plates is gradually decreased till the parts intersect the first air door or the second air door; and the fourth rib plates are arc-shaped. According to the anti-deformation structure, a product can be prevented from deforming due to shrinkage while the product strength is guaranteed and the product reliability is improved, besides, the self weight of the product can be decreased, and the production cost of the product is reduced.

To constitute a compact folding umbrella. The one-side ends of master ribs (10) consisting of four pieces of ribs pivotally supported with each other are pivotally supported at an inside cap (8). The master ribs and a lower runner (5) are connected by stretchers (22). The respective ribs of the master ribs are folded in a beeline cooperatively with the vertical sliding of the lower runner. A slide crook and slope are formed at the third rib (10c) among the ribs of the master ribs, by which the ribs are situated next to each other without the superposition of the segment (10c') of the third rib on the side opposite to the pivotally supporting portion (16) of the second rib (10b) on each other. A quadrilateral link mechanism (34) is constituted by a link rib between the stretcher and the second rib of the master rib. The first rib (10a) and the fourth rib (10d) are connected by a connecting shaft (46) and the second rib and the fourth rib (10d) are connected by a connecting shaft (46). As a result, the quadrilateral link mechanism (44) and (52) are constituted between the connecting shaft (36) and the master ribs and between the connecting shaft (52) and the master ribs.

The present invention includes a reclosable bag having first and second walls and an open top defined by first and second elongate flexible fastener strips attached to the first and second walls, respectively, adjacent the top of the walls. One of the fastener strips has a profile portion forming at least one groove and the other fastener strip has a profile portion forming at least one rib with a portion of each rib received and retained in one of said grooves when the bag top is closed. Each of the fastener strips has a base connected to the respective wall, and each of the strips has an upper edge adjacent the upper edge of the other strip. Third and fourth fastener strips are located within the bag walls parallel to and below the first and second fastener strips. The third and fourth fattener strips have one or more pairs of ribs and grooves. An inverted slider is mounted on the second and third fastener strips within the bag and is movable in one direction longitudinally of the third and fourth fastener strips to progressively separate the one or more rib from the one or more grooves to open the bag: the slider is also being movable in the opposite direction to progressively return the one or more rib portion to a retained condition in the one or more groove to close the bag. A plow extends from the slider to the exterior of said bag above the top of said bag. The plow has a finger tab extending affixed thereto at the distal end thereof. The plow is constructed and arranged to selectively separate said first and second rib and groove and to move said slider within said bag to separate said third and fourth rib and groove when said plow is moved longitudinally along said fastener strips from a first end of said strips to a second end of said strips. The plow is also constructed and arranged to slide said slider longitudinally along the third and fourth fastener strips from said second end and back to said first end so as to interlock said third and fourth ribs and groves and seal said third and fourth fastener strips within said bag. Alternatively, the Claim 1 first and second fastener strips may be selectively sealed by pressing the outer walls of said bag together proximate said first and second fastener strips so as to longitudinally interlock said first and second fastener strips together.

The invention relates to an umbrella rib assembly of a foldable umbrella, particularly a five-folded umbrella, which includes a first rib to fifth rib and several branch ribs and elastic ribs. It is characterized in that the third rib has formed a bending portion at inner end near to the second rib. While the umbrella is closed and folded, the fourth rib can be fallen beside pivoted end of the second rib and the third rib that decreases the closed volume of the umbrella. So the closed umbrella is very conveniently for carrying or storing.

The invention relates to a foldable umbrella frame having five ribs (IV), wherein the second rib, the third rib, and the fourth rib are formed to be solid rods with outer flat portion. The first rib is still U-shaped structure. The ribs are pivoted to form a frame. Branch ribs have inner hooks to connect with outer flat portion that provides a small volume of the umbrella in closed state for facilitating carrying by users.

The invention provides a door seal structure, a refrigerator door body and a refrigerator. The door seal structure is arranged on the refrigerator door body and comprises a magnetic stripe bag, an auxiliary airbag, a main airbag and a mounting part, wherein the upper end surface of the auxiliary airbag is higher than the upper end surface of the magnetic stripe bag; the main airbag comprises a left support rib, a lower support rib and a right support rib which are connected successively; an included angle formed by the first rib strip and the second rib strip of the left support rib is an acute angle, and an included angle formed by the third rib strip and the fourth rib strip of the right support rib is an acute angle; the extension cord of the other end of the second rib strip intersects with the extension cord of the other end of the fourth rib strip to form an included angle and the included angle is an obtuse angle or a flat angle, and the extension cords of the first rib strip and the third rib strip intersect under the main airbag. According to the door seal structure, through the upper end surface of the auxiliary airbag, the sealing performance is improved, and the probability of freezing leakage is reduced; the extension cords of the other ends of the second rib strip and the fourth rib strip and the extension cords of the first rib strip and the third rib strip encircle a triangle or a similar triangle, and the magnetic stripe bag is not easily twisted when being drawn.

The invention relates to a foldable umbrella frame having five ribs (III), wherein the first rib, the second rib, and the fourth rib are formed to be solid rods with outer flat portion. The third rib is still U-shaped structure and has its outer end with two parallel plates for receiving the inner end of the fourth rib when closing the umbrella. The ribs are pivoted to form a frame. Branch ribs have inner hooks to connect with outer flat portion that provides a small volume of the umbrella in closed state for facilitating carrying by users.

The invention discloses a fixed position series assembling method of rib templates of a wind turbine blade male mould, which include rib templates (1), a guide steel pipe (2), a foundation steel frame (3) and a fixed position series assembling method. The method includes the steps of: arranging series positioning holes in the rib templates; when assembling the subassemblies of the wind turbine blade male mould in series, locating the centers through a level and welding and fixing the first and fifth rib templates on the foundation steel frame; piloting the centre through the guide steel pipe and then welding and fixing the second, third and fourth rib templates on the foundation steel frame to obtain a standard section; then taking the standard section as a starting point, piloting the centre through the guide steel pipe, and fixing and assembling the remaining rib templates in series piece by piece and section by section. The fixed position series assembling method overcomes the problem and the disadvantage that the conventional method is time-consuming, labor-consuming, low in efficiency and high in cost, and achieves the purposes of saving time and labor, improving the efficiency and reducing the cost in fixed position series assembling of the rib templates of the wind turbine blade male mould.

Provided is a rear guide rail beam. The rear guide rail beam comprises a guide rail beam body, a first upper limit fixing plate, a second upper limit fixing plate, a third upper limit fixing plate, afirst rib plate, a second rib plate, a third rib plate, a fourth rib plate, a first groove, a second groove, a third groove, a fourth groove, a fifth groove, a sixth groove and holes. The rear guide rail beam has the advantages of being simple in structural design, firm in structure and convenient to popularize.

The invention provides a space truss girder, comprising an upper wing rod and a lower wing plate, wherein the upper wing rod is parallel to the lower wing plate; a plurality of first diagonal ribs, a plurality of second diagonal ribs, a plurality of third diagonal ribs and a plurality of fourth ribs are arranged between and connected with the upper wing rod and the lower wing plate; the lengths of all the diagonal ribs are equal; the plurality of first diagonal ribs and the plurality of second diagonal ribs are located at one side of the width direction of the upper wing rod; the plurality of third diagonal ribs and the plurality of fourth ribs are located at the other side of the width direction of the upper wing rod; first included angles alpha 1 are arranged between the first diagonal ribs and the second diagonal ribs; third included angles alpha 3 are arranged between the third diagonal ribs and the fourth diagonal ribs; and the first included angles alpha 1 and third included angles alpha 3 are acute angles. The torsional capacity, shear capacity and flexural capacity of the space truss girder provided by the invention are 40-60%, 20-30% and 40-60% higher compared with the prior art; in usage of space truss girder, additional arrangement of ribs with torsional capacity or bracing frames, or any other structures are not needed; and the space truss girder is simple in engineering design and construction and greatly reduces cost.

The invention relates to a welding fixture process suitable for a P60B.11 type discharge chute. A bottom plate, a buffer and a framework are included. A right protective plate is arranged at the upperend of the bottom plate, a left protective plate is arranged at the lower end of the bottom plate, a side plate is arranged at the bottom of the left protective plate, a discharge port is formed in the left side of the bottom plate, a protective ring is arranged on the left side of the discharge port, a second rib plate is arranged above the buffer, a guide wheel bracket is arranged on the rightside of the second rib plate, a third rib plate is arranged on the front side of the buffer, and a fourth rib plate is arranged below the buffer. The welding fixture process is adopted and is firm andreliable in structure, not prone to disengagement, high in welding strength and simple in structure, the connecting stability of a middle chute is improved through welding-manner connection, comparedwith screw fixation, the structure is firmer and more reliable, the operation is easy, the structure is fixed, the mounting position is precise, the parts are welded according to regulated angles, the standards are met, the operation requirements are met, and the structure is simple and stable.

The invention discloses a shielding tunneling machine drive box and a production method thereof. The shielding tunneling machine drive box is composed of a big flange 1, first rib plates 14, second rib plates 16, third rib plates 18, small flanges A 3, a ring A 4, a front cover plate 9, a ring B 10, cover plate supports 6, small flanges B 13, small flanges C 20, a cover plate 5, a ring C 2, a ring D 12 and fourth rib plates 7. The production method of the shielding tunneling machine drive box experiences repetitive tests to acquire optimal welding production orders, welding internal stress is reduced to the utmost and the purpose of controlling weld deformation through symmetrical welding mode of simultaneous operations by two welders and reasonable welding process rules on multiple welding positions easy to deform is achieved. By the production method, the problems that welding joints of massive forge pieces are exploded to crack during welding and the drive box suffers welding deformation during production are effectively solved.

A plasma display panel includes: a first substrate and a second substrate facing the first substrate, the first and second substrates defining a discharge space therebetween; and barrier ribs between the first and second substrates and defining non-discharge and discharge regions at the discharge space. The barrier ribs include: first ribs and second ribs adjacent the first ribs, the first and second ribs defining the non-discharge regions; third ribs adjacent the second ribs, the second and third ribs defining first discharge regions of the discharge regions, the first regions being adjacent the non-discharge regions, and the third ribs having a width different from that of the second ribs; and fourth ribs adjacent the first ribs, the first and fourth ribs defining second discharge regions of the discharge regions, the second regions being adjacent the non-discharge regions, and the fourth ribs having a width different from that of the first ribs.

The invention discloses an automobile steering wheel, which comprises an outer frame, a first rib, a second rib, a third rib, a fourth rib, a first fixing part, a second fixing part, a third fixing part, a fourth fixing part, a fixing The outer frame is square, the cross section of the outer frame is pentagonal, the first fixed part is triangular, the second fixed part is circular, the third fixed part is pentagonal, and the fourth fixed part is square , the first fixing part and the second fixing part are respectively fixed on the opposite sides of the first rib, the third fixing part and the fourth fixing part are respectively fixed on the opposite sides of the third rib, and the second rib is provided with a storage slot and a power socket slot and headphone connection hole. The first fixing part, the second fixing part, the third fixing part and the fourth fixing part have different shapes, so that the driver can observe different reference objects and easily distinguish the rotation angle of the steering wheel of the automobile. The structure is novel, the design is ingenious, and the practicability is strong.

The invention discloses a foldable combined display packaging carton and a using method thereof. By applying tension to an upper supporting mechanism, the upper supporting mechanism transmits the tension to a third rib plate and a fourth rib plate, so that the fourth rib plate drives a second clamping rod to move in the width direction of a tooth groove formed in a transverse plate, meanwhile, thethird rib plate and the fourth rib plate pull a first rib plate and the second rib plate upwards to move upwards correspondingly, a sixth rib plate and a fifth rib plate are driven by the first rib plate and the second rib plate to move upwards correspondingly, then a first clamping rod is driven to move in the width direction of the tooth groove, and thus positioning supporting is provided for the transverse plate positioned on the lower portion; through matching of the tooth groove, the second clamping rod and the first clamping rod, the upper supporting mechanism can be stretched to any position, so that a product placed in the carton on the transverse plate can be pulled out and then displayed conveniently; and after the transverse plate is pulled out upwards, the product can be directly displayed on the transverse plate, other display tools do not need to be provided, operation is easy, and implementation is easy.