CN110279508B - Front concave type production method and tool - Google Patents

Abstract

The invention discloses a front concave type production tool and a front concave type production method for a body fluid crossing prevention condom, which are provided with a die handle and a die head, wherein the rear end of the die head is connected with the die handle, the front end of the die head is provided with an inward axial recess, after gum dipping and demoulding, a colloid on the inner side of the recess is a front section of a jacket, and the outside of the die head is sequentially provided with a rear section of the jacket, a cylinder section and a reducing cylinder section from front to back.

Description

Front concave type production method and tool

Technical Field

The invention relates to a divisional application of patent application with the application number of 201580042092.2, the date of entering the Chinese national stage is 2017, 1 month and 14 days, and the name of the invention is 'condom for preventing liquid crossing and production tool thereof', and the international application number of entering the Chinese national stage is 'PCT/CN 2015/083345'.

The invention relates to a condom and a tool, in particular to a condom capable of preventing body fluid from crossing and a production tool thereof, which are applied to the fields of family planning, prevention of disease infection in sexual ways and the like.

Background

The condom is an effective contraceptive tool in the sexual life of people, and can prevent disease infection caused by cross body fluid in the sexual life. The existing condom is cylindrical, and the front end of the condom is provided with a semen storage bag for containing semen so as to prevent the semen from leaking.

Ejaculation is rhythmical and is completed intermittently for many times in real life, and in order to better obtain pleasure, an ejaculator can be drawn and inserted for a plurality of times without autonomy in the ejaculation process and after the ejaculation, so that the semen in the front end semen storage bag flows to the tail end to overflow along the inner wall of the condom under the extrusion of the drawing and inserting action, thereby causing body fluid cross and increasing the probability of contraception failure and disease infection. The body fluid cross does not exist only in the ejaculation stage, and in the whole process of sexual life, a condom wearer continuously secretes lubricating body fluid, and the body fluid can be squeezed out of the tail end of the condom in the process of inserting and withdrawing actions, so that the body fluid cross is caused, and the body fluid cross is also caused. Aiming at preventing the body fluid from flowing backwards, the prior art still does not solve the problem better.

For example, publication No. CN2778239Y and patent No. 200520069737.5 disclose a leakage-proof condom, which is placed between a seminal vesicle 1 and a glans penis, and is communicated through a channel opening formed by an upper valve 2 and a lower valve 3, and the liquid flowing out from the front end urethral opening of the glans penis enters the seminal vesicle through the channel opening between the two valves, and the seminal vesicle stores the liquid entering the seminal vesicle.

For example, documents with publication numbers CN2479943Y and 01222339.5 disclose an anti-overflow condom, in which an anti-overflow diaphragm 3 is arranged between the bag 2 and the glans penis, the glans penis is connected with the bag 2 through a liquid outlet 4, and similarly, under the action of the dispersed pressure generated during the extraction and insertion, the liquid flowing out from the front end of the glans penis via the urinary tract opening cannot be all intensively flowed into the bag, and part of the liquid still flows out from the tail end of the condom along with the extraction and insertion, so that the same risk exists.

For another example, publication No. CN203154041U and application No. 201320080331.1 disclose a barrier ring type condom, in which the condom has a barrier ring 3 at the closed end of the condom body, the entrance of the barrier ring is compressed and sealed by the pressure of the top of the penis fully contacting with the barrier ring, the ejaculatory site at the head of the penis aligns to the barrier region (see section 15) through the inner circular through hole of the barrier ring, the barrier ring naturally extends and expands to the closed end of the condom body by the pressure at the top of the penis, the elastic force of the barrier ring and the pressure at the top of the penis act together to make the barrier ring and the condom tightly contact each other, thereby ensuring the closure of the barrier space (see section 29) and solving the problem of. This patent technique separation ring's interior circle through-hole is located the penis top, lean on the glans penis to the extrusion of cover body blind end realization sealed, however during the in-service use only insert during the action both can lean on tightly, and the cover body does not have backward pulling force during reverse action, so can not keep same compression state, even pull the cover body backward when wearing and make it compress tightly, nevertheless the cover body is only attached to on the penis crust, the penis crust can be for the inside cavernosum longitudinal movement of penis in certain extent, this compression state still is difficult to lastingly under the spring action, so the drawback of semen refluence is still in, this problem still has the technical solution of awaiting the while.

Disclosure of Invention

In order to solve the problems, the invention provides a condom capable of preventing body fluid from crossing and a production tool thereof.

The technical scheme adopted by the invention is as follows: the utility model provides a prevent body fluid alternately sheath, includes the overcoat that the front end is confined, overcoat front end closure is glans penis accommodation space, be equipped with interior sleeve pipe in the overcoat, interior sleeve pipe front end and rear end are all opened, interior sleeve pipe front end diameter is less than its rear end diameter, interior sleeve pipe is located glans penis rear portion, interior sleeve pipe front end diameter at least is less than the overcoat diameter, and interior sleeve pipe front end at least cramps on the penis at glans penis rear portion, interior sleeve pipe rear end is connected with the overcoat, form the open body fluid accommodation space in front portion between interior sleeve pipe and overcoat.

Furthermore, the rear end of the inner sleeve is hermetically connected with the tail end of the outer sleeve.

Furthermore, the rear end of the inner sleeve is hermetically connected with the inner wall of the outer sleeve.

Furthermore, more than two flow channels communicated with the body fluid containing space are arranged on the inner wall of the outer sleeve at the rear part of the inner sleeve, the flow channels extend towards the tail end of the outer sleeve, and the tail end of the flow channels is closed.

Furthermore, a one-way flow guide body is arranged between the rear section of the inner sleeve and the outer sleeve and/or in the flow channel.

Furthermore, a connector is connected between the rear section of the inner sleeve and the outer sleeve, and the connector is in a strip shape or a point shape and is distributed discontinuously.

Furthermore, at least one annular elastic binding ring is arranged in the space between the inner sleeve and the outer sleeve.

Furthermore, at least one side of the inner sleeve and the outer sleeve is provided with a convex support body.

Furthermore, the outer sleeve is provided with a side seminal vesicle which protrudes outwards.

Furthermore, a pattern layer is arranged on the side wall of the inner sleeve or the outer sleeve.

Further, the pattern layer is arranged on the outer wall of the inner sleeve or the inner wall of the outer sleeve.

Furthermore, the connector, the outer sleeve and the rear section of the inner sleeve enclose a liquid storage cavity, the opening of the liquid storage cavity faces the tail end of the outer sleeve, and the opening is larger than the bottom.

Furthermore, the runner is composed of an outer sleeve and an inner wall, and the circumferential length of the outer sleeve on the cross section of the runner is larger than that of the inner sleeve.

Furthermore, the connecting body is V-shaped, and the opening faces the tail end and is distributed in a staggered mode.

Furthermore, at least one side in the flow channel is provided with a convex supporting body.

Furthermore, the inner side of the rear section of the outer sleeve and/or the inner sleeve is connected with an adduction annular sheet sleeved on the penis.

Furthermore, more than two inner sleeves are axially distributed in the outer sleeve in the front and back directions.

Furthermore, the draw belt is arranged on the outer side of the outer sleeve, the front end of the draw belt is a drawing end which is positioned in front of the inner sleeve, the rear end of the draw belt is positioned behind the front end of the inner sleeve, and the draw belt is rolled up along with the outer sleeve.

Furthermore, the sleeve body at the front part of the joint of the outer sleeve and the inner sleeve is provided with an axial stack, the stack is rolled up along with the outer sleeve, and the front end of the inner sleeve is close to the glans penis accommodating space at the front end of the outer sleeve.

Furthermore, the pull belt is formed by turning the rear section of the outer sleeve to the outer side of the front section of the outer sleeve.

Furthermore, the back section of the outer sleeve is turned to the outer side of the front section of the outer sleeve, and annular ribs integrated with the outer sleeve can be arranged at the crease lines.

A production tool for preventing the body fluid from crossing the nesting of condoms is characterized by comprising an inner supporting pipe and an end enclosure, wherein the end enclosure is connected with a pull rod penetrating through the hollow position of the inner supporting pipe, the pull rod is connected with a driving mechanism, the end enclosure is pressed on the end edge of the front end of the inner supporting pipe under the action of the pull rod, the end enclosure or the pull rod is provided with air guide holes communicated with two sides of the end enclosure, the air guide holes are connected with an air source through air exchange valves, the front ends of the inner supporting pipe and the end enclosure are provided with outer supporting pipes coaxial with the inner supporting pipe, the inner diameter of each outer supporting pipe is larger than the outer diameter of the inner supporting pipe, one end of each outer supporting pipe is blocked, the other end of each outer supporting pipe is open, the outer supporting pipes.

Furthermore, a spring for enabling the front mould section and the rear mould section to be close to each other is arranged between the shaft rod and the rear mould section.

Furthermore, the end socket is connected with a spray hole, and the spray hole is connected with a hydraulic pump system through a guide pipe penetrating through the hollow position of the inner support pipe.

Furthermore, the front end of the end socket is connected with an adhesive liquid applying pipe, the liquid applying pipe is connected with an adhesive hydraulic pump system through a guide pipe penetrating through the hollow position of the inner supporting pipe, the adhesive liquid applying pipe is connected with a transmission rod penetrating through the end socket, and the transmission rod can push the liquid applying pipe to extend laterally.

Furthermore, the liquid applying pipe is connected with the transmission rod through an elastic sheet or a spring, and the liquid applying pipe is laterally stretched to have elasticity.

Furthermore, an annular rubber mat is arranged at the front end of the inner supporting pipe or on the end socket.

Furthermore, the outer supporting pipe is axially divided into more than two sections, each section is respectively connected with the driving mechanism, at least one section of inner wall is provided with a suction hole and/or an air bag, and the suction hole and the air bag are respectively connected with an air source.

Furthermore, an outer sleeve is arranged on the outer side of the inner supporting tube, the rear end of the outer sleeve is retracted to be in clearance fit with the inner supporting tube, and the outer sleeve is connected with a driving mechanism.

Furthermore, the inner diameter of the outer sleeve is larger than the outer diameter of the outer support pipe, an annular space is formed between the front end of the outer sleeve and the front end of the inner support pipe, the outer support pipe can be inserted into the annular space, the plugging end of the outer support pipe is connected with an air passage, and the air passage is connected with an air source.

Furthermore, an outer sleeve is arranged on the outer side of the inner supporting pipe, the inner diameter of the outer sleeve is smaller than or equal to that of the outer supporting pipe, and the rear end of the outer sleeve is connected with the inner supporting pipe through a shaft sleeve.

A front concave type production tool for a body fluid crossing preventing condom comprises a die handle and a die head, and is characterized in that the rear end of the die head is connected with the die handle, and the front end of the die head is provided with an inward axial recess.

Furthermore, the bottom of the axial recess is provided with an air hole, and the outer end of the air hole is arranged on the die handle.

Furthermore, the axial sunken edge is provided with an axial gap.

Further, the inner wall of the axial recess is provided with an axial groove.

Furthermore, a drum core is arranged in the axial recess and used for forming the seminal vesicle.

Furthermore, the outer surface of the die head is sequentially provided with a jacket rear section, a cylinder section and a reducing cylinder section from front to back, the outer diameter of the jacket rear section is equal to that of the cylinder section, and an annular groove is formed at the junction of the jacket rear section and the cylinder section.

Furthermore, the outer surface of the die head is sequentially provided with a jacket rear section, a cylinder section and a reducing ring belt section from front to back, and the outer diameter of the cylinder section is smaller than that of the jacket rear section.

Furthermore, lateral seminal vesicle protrusions for forming lateral seminal vesicles are distributed on the die head at the rear section of the outer sleeve.

The utility model provides a prevent body fluid alternately sheath back concave type production instrument, includes die shank and die head, its characterized in that die head rear end is equipped with inward axial sunken, and sunken interior central point puts and is connected with the die shank, and the cover has the sleeve pipe that the front end inserted sunken bottom on the die shank, and the sleeve pipe front end is equipped with the boss.

Furthermore, an annular cutting knife is arranged corresponding to the boss.

Furthermore, a sliding knife is arranged corresponding to the outer wall of the sleeve.

Furthermore, the axial sunken edge is provided with an axial gap.

Further, the inner wall of the axial recess is provided with an axial groove.

The utility model provides a prevent body fluid cross sectional type production instrument of condom, its characterized in that includes coaxial front mould section and back mould section, front mould section rear end axle center position is connected with the axostylus axostyle, the axle sleeve cooperation of axostylus axostyle and back mould section inner axle center position, be equipped with axial actuating mechanism between axostylus axostyle and the back mould section, axial actuating mechanism drives front mould section and back mould section and is close to or separates, the border that is close to back front mould section rear end is on the border of back mould section front end, front mould section rear end, one end axle center position is equipped with interior sleeve pipe model in the back mould section front end, other end border inside position keeps gapped with interior sleeve pipe model.

Further, the inner sleeve pipe model is an inwards concave model.

Further, the inner sleeve pipe model is a convex model.

Further, an axial groove is formed in the inner sleeve model surface.

Further, the axial driving mechanism between the shaft lever and the rear mold section applies force through a spring.

Furthermore, an air passage is arranged on the shaft rod, one end of the air passage is communicated with the gap of the inner sleeve pipe model after the edge of the rear end of the front mould section and the edge of the front end of the rear mould section are jacked, and the other end of the air passage is connected with an air source outside the gap through an air valve.

Furthermore, the front part of the shaft sleeve is provided with an inner ring connecting shaft rod and an outer ring connecting flexible diaphragm of the rear mould section.

The condom capable of preventing the body fluid from crossing has the advantages that when the condom is used, the front end of the inner sleeve is tightly hooped on the penis at the rear part of the glans penis, the body fluid and the semen secreted in sexual life partially flow towards the tail end along the inner side of the outer sleeve in the drawing and inserting process, when the liquid flows to the front end of the inner sleeve, the front end of the inner sleeve is tightly hooped on the penis, no gap exists at the hooped part and the hooped part presents a high resistance state to the liquid, the rear part presents a low resistance state, and the liquid flows to a rear closed space under the guide of a low resistance channel between the inner sleeve and the outer sleeve and cannot leak out, so that the effects; meanwhile, the structure effectively improves the accommodating space of the semen and the body fluid, is not limited to the front end of the outer sleeve, and the accommodating space is distributed around the whole or part of the space in the outer sleeve, so that the structure has stronger dispersity and effectively prevents the liquid from being gathered at the front part to be extruded and broken. Meanwhile, a certain delay effect can be generated under the hooping action of the inner sleeve. Of course, any product of the present invention need not achieve all of the above advantages simultaneously, nor is it limited to only those advantages.

The liquid crossing prevention condom nesting production tool is characterized in that the front end of the inner sleeve is sleeved into the end socket when the tool is used, the front end of the inner support pipe is pressed and fixed by the front end of the inner support pipe, the outer sleeve is attached in the outer support pipe by inflation, the outer support pipe moves towards the inner support pipe and deflates, nesting forming is achieved, forming is rapid, and product parameter consistency is high.

The front concave type and rear concave type production tool for the body fluid crossing prevention condom can be formed by a mold with a shorter axis, can be produced by fully utilizing the existing production line, is light in weight and saves space, can form an integrated condom body, and has good product parameter consistency.

The body fluid crossing prevention condom sectional type production tool can be used for firstly dipping and drying to form a section of condom body, then closing the die and dipping again to form another section of condom body, the glue film thickness of the combined part is not easy to damage, automatic one-line forming is realized, the efficiency is high, the speed is high, and the product parameter consistency is good.

Drawings

Fig. 1 is a perspective view of the condom with cone-shaped inner sleeve.

Fig. 2 is a perspective view of the condom with the front section of the inner sleeve tube being convex.

Fig. 3 is a perspective view of the condom with the concave front section of the inner sleeve.

Fig. 4 is a perspective view of the condom with stepped front section of the inner sleeve.

Fig. 5 is a perspective view of the condom with the front section of the inner sleeve being wavy.

Fig. 6 is a perspective schematic view of a condom design with a non-minimum diameter leading edge of the inner sleeve.

FIG. 7 is a schematic sectional view and a partially enlarged view of the second half of the expanded structure of the embodiment.

FIG. 8 is a schematic view of a structure of a second molded article after demolding in accordance with the second embodiment.

FIG. 9 is a schematic sectional view of a two-part structure according to an embodiment.

FIG. 10 is a schematic sectional view and a partial enlarged view of a three independent restraining ring placement structure according to an embodiment.

FIG. 11 is a schematic cross-sectional view of an integrated structure of the three tie-down rings and the inner sleeve according to the embodiment.

Fig. 12 is a perspective view and a partial cross-sectional enlarged view of a four-channel structure in the fourth embodiment.

Fig. 13 is a perspective view and a partial sectional enlarged view of a trumpet-shaped structure at the front end of the five flow passages according to the embodiment.

FIG. 14 is a perspective view and a partial enlarged view of an exemplary six-way V-shaped connector structure.

FIG. 15 is a schematic cross-sectional view and a partially enlarged view of a seven-cross curved connector structure according to an embodiment.

FIG. 16 is a schematic sectional view showing the internal structure of an eight-nested molding production tool according to an embodiment.

FIG. 17 is a schematic cross-sectional view of an embodiment eight nested molding production tool blow station.

FIG. 18 is a schematic cross-sectional view of an eight nested profiled production tool nesting station of an embodiment.

FIG. 19 is a schematic cross-sectional view of a nine front concave production tool according to an embodiment.

FIG. 20 is a schematic cross-sectional view of a second embodiment of a ten-pronged production tool.

FIG. 21 is a schematic cross-sectional view of an eleventh concave-front production tool of an embodiment.

FIG. 22 is a schematic cross-sectional view of a twelve back-recessed production tool of an embodiment.

FIG. 23 is a schematic cross-sectional view of a thirteen-embodiment sectional production tool.

FIG. 24 is a schematic cross-sectional view of another example thirteen sectional type production tool.

Fig. 25 is a schematic view of the condom with the drawstring in a unrolled state.

Fig. 26 is a schematic view of the condom with the drawstring in a rolled state.

FIG. 27 is a schematic view of a structure of the back section of the jacket being turned over to the outside of the front section of the jacket instead of the pull tape.

FIGS. 28, 29 and 30 are schematic cross-sectional views of a nested forming tool with an outer sleeve.

Fig. 31 is a schematic view of a condom with a lacing wire.

Fig. 32 is a schematic view and a close-up view of a condom having a folded stack of sheaths.

Fig. 33 is a schematic diagram of a condom having a waved stack of sheaths.

Number designation in the figures: 1, coating a jacket; 2, inner sleeve; 201 a cylinder; 202, a reducer cylinder; 3 a body fluid accommodating space; 4, a front mould section; 5, a rear mould section; 6, curling; 7 a tether ring; 8. 9 flow channel; 10 ribs; 11 a non-runner region; a 12V-shaped connector; 13 a liquid storage cavity; 14 a curved connector; 15 a pull rod; 16 air guide holes; 17 an outer bracing tube; 18. 29 a die shank; 19. 30 die heads; 20. 33 are axially recessed; 21 front section of jacket; 22 jacket rear section; 23 cylinder segments; 24 variable diameter cylinder sections; 25 an annular groove; 26 variable diameter curved surfaces; a 27-side seminal vesicle bulge; 28 axial slots; 31 a sleeve; 32 bosses; 34 an inner support tube; 35 sealing heads; 36 shaft rods; 37 shaft sleeves; 38 inner sleeve pipe model; 39 compression spring; 40 air passages; 41 pulling the belt; 42 a pulling end; 43 an outer sleeve; 44 ribs; 45 windows; 46, folding and stacking; 47 stack up in a wavy manner.

Detailed Description

For better understanding of the present invention, the technical solution of the present invention is described by way of examples with reference to the accompanying drawings, wherein the same components and configurations in each embodiment are described in the previous examples, and the following examples are not intended to be missing technical features.

In the first embodiment, as shown in fig. 1, the body fluid crossing prevention condom is provided with an outer sleeve 1 with a closed front end, wherein the closed front end of the outer sleeve 1 is a glans penis accommodating space, and a glans penis is arranged in the glans penis accommodating space in a top-mounted mode when the condom is used; an elastic inner sleeve 2 is arranged in the outer sleeve 1, the direction of the inner sleeve 2 is approximately the same as that of the outer sleeve 1, the cross section of the inner sleeve 2 is annular, the front end and the rear end of the inner sleeve 2 are both open, the diameter of the front end of the inner sleeve 2 is smaller than that of the rear end of the inner sleeve, the diameter of the inner sleeve 2 is gradually increased from the front end to the rear end, and the inner sleeve 2 is in a; the inner sleeve 2 is positioned at the rear part of the glans penis, the diameter of at least the front end of the inner sleeve 2 is smaller than that of the outer sleeve 1, the front end of the inner sleeve 2 is tightly hooped on the penis at the rear part of the glans penis by the elasticity of the inner sleeve, no gap exists between the front end of the inner sleeve 2 and the penis, and the tightening degree of the rear section to the penis is gradually loosened; the rear end of the inner sleeve 2 is connected with the inner wall of the outer sleeve 1, a body fluid containing space 3 with an open front part is formed between the inner sleeve 2 and the outer sleeve 1, and the body fluid containing space 3 is a space for containing body fluid flowing to the rear part along the inner wall of the outer sleeve 1. The inner sleeve 2 can be integrally formed with the outer sleeve or can be formed separately and then bonded.

When the sleeve body structure is packaged, the sleeve body structure is rolled up from the curled edge 6 at the tail end of the outer sleeve 1 to the glans penis containing space, the inner sleeve 2 has elasticity, and is partially or completely rolled into the sleeve body structure from the rear part along with the rolling action, and then the sleeve body structure is placed into a packaging bag for packaging. When the inner sleeve 2 is partially rolled, the front end of the inner sleeve 2 is not rolled, when the condom is used, the glans penis accommodating space is wrapped by the glans penis after air is exhausted, the condom body is slightly lifted after the condom body is unfolded over the glans penis, and the condom can be used after the front end of the inner sleeve 2 falls into the coronary sulcus and the condom body is continuously unfolded to the root of the penis after the condom body and the glans penis are loosened because the sheath body and the glans penis are elastic; this crimping method is more suitable for sleeves in which the front end of the inner sleeve 2 is located more forward.

When the front end of the inner sleeve 2 is relatively backward, the inner sleeve can be completely rolled in, the draw belt 41 can be arranged outside the attachable outer sleeve and rolled up together, the front end of the draw belt 41 forms a pulling end 42, the pulling end 42 can be completely rolled in the outer sleeve, as shown in fig. 25, the sleeve body is in a state that the draw belt is not rolled up, and the pulling end 42 is rolled up to be rolled into the sleeve body; the pulling end 42 may not be entirely wound into the jacket, as shown in fig. 26, in which the jacket is in a state that the pulling tape is wound up, and the pulling end 42 is not wound into the jacket; the pulling end 42 is rolled into or not rolled into the sleeve body, and both the requirement that the pulling end 42 is positioned in front of the inner sleeve 2 and the requirement that the rear end of the pulling strip is positioned behind the front end of the inner sleeve 2 are met; the drawstring can be one or more than two, and can be strip-shaped or barrel-shaped when being one, when being more than two, the rear ends can be connected together, and the number of the holding ends 42 can be more than two; when the condom is used, the glans penis is wrapped in the glans penis containing space after air is exhausted, the curled part is unfolded until the pulling end 42 is exposed, then the pulling end 42 is pulled backwards, the curled condom body is driven by the drawstring to be unfolded, the front end of the inner sleeve 2 is turned into the inner side of the outer sleeve and is tightly hooped on the penis, after the drawstring is completely unfolded, the drawstring is removed, and the condom body is continuously unfolded to the root of the penis, so that the condom can be used.

When the front end of the inner sleeve 2 is relatively backward, the inner sleeve can be completely rolled in, a lacing 44 can be connected between the front end of the inner sleeve 2 and the outer sleeve 1, as shown in fig. 31, when the condom is used, the glans can be wrapped in the glans accommodating space after air is exhausted, the crimp sleeve body is unfolded, the front end of the inner sleeve 2 is overturned and unfolded onto the penis under the driving of the lacing 44, the sleeve body is unfolded to the root of the penis to be used, and body fluid flows backwards to the body fluid accommodating space 3 from a window 45 between the lacing, so that the structure is simpler than that of a lacing type.

When the front end of the inner sleeve 2 is relatively backward, axial stacking can be further arranged on the sleeve body at the front part of the joint of the outer sleeve 1 and the inner sleeve 2, as shown in fig. 32 and 33, the stacking position of fig. 32 is a folding stacking 46, and the stacking position of fig. 33 is a wave stacking 47, as long as the specific mode is that the outer sleeve can be axially stretched and shortened, if natural folding stacking and spiral mode can be adopted, the front end of the inner sleeve 2 is close to the glans penis accommodating space at the front end of the outer sleeve 1, the two can be attached together under the condition of shape coincidence, the stacking position is rolled up along with the outer sleeve 1 and the inner sleeve 2, and the rolled inner sleeve is placed into a package. When the penis extension sleeve is used, the glans penis is wrapped by the glans penis containing space after air is removed, the sleeve body is unfolded to pass through the stacking position and then stops unfolding, the unfolded rolled part of the sleeve body is pulled backwards, the stacking position of the outer sleeve 1 is axially unfolded, the unfolded part of the inner sleeve 2 is pulled to integrally move backwards, the front end of the inner sleeve 2 easily falls into a coronary ditch at the rear part of the glans penis due to the fact that the front end of the inner sleeve 2 and the glans penis are elastic, and then the sleeve body is continuously unfolded to roll the glans penis to be used; this method is simpler than the drawstring approach. In order to judge the stacking position well, patterns of other colors can be further marked on the outer sleeve at the stacking position or the inner sleeve at the corresponding stacking position.

When the condom is used, the front end of the inner sleeve 2 is tightly hooped on the penis at the rear part of the glans penis, body fluid and semen secreted by a wearer flow along the inner side of the outer sleeve 1 to the tail end in the inserting process, when the liquid flows to the front end of the inner sleeve 2, the front end of the inner sleeve 2 is tightly hooped on the penis, the tight hooping part has no gap and is in a high-resistance state for the liquid, the rear part of the tight hooping part is in a low-resistance state, the liquid flows to the rear closed space under the guidance of a low-resistance channel between the inner sleeve and the outer sleeve and is stored in the body fluid containing space 3 and cannot be leaked out from the tail end of the outer sleeve, the body fluid and the semen.

Meanwhile, the structure effectively improves the accommodating space of the semen and the body fluid, is not limited to the front end of the outer sleeve 1, and the volume space is distributed around the space of the front half part in the outer sleeve, so that the structure has stronger dispersity and effectively prevents the liquid from being gathered at the front part to be extruded and broken.

In addition, the part of the penis wrapped by the inner sleeve 2 and the outer sleeve 1 at the rear part of the inner sleeve 2 can not contact body fluid of a wearer, and is not easy to be lubricated by the body fluid to fall off during use, and the penis is clean and comfortable after taking off.

Because the front end of the inner sleeve 2 is bound on the penis by elasticity, and by the binding force, a large frictional resistance is formed between the front end of the inner sleeve 2 and the penis, and the inner sleeve 2 is driven to turn outwards when the tail end of the outer sleeve 1 is pulled to be taken off, the inner sleeve 2 finally leaves the penis under the action of the frictional resistance retention, and the turned-over part of the inner sleeve 2 is not stained with body fluids of both sides, so that the body fluid of the opposite side on the outer surface of the outer sleeve 1 is not easily stained with the glans part of a wearer, and the body fluid intersection can be further prevented; the body fluid of a wearer can easily cross the body fluid of the other side at the tail end of the conventional condom, and the glans part can be easily contaminated when the wearer takes off the condom after the body fluid of the other side is contaminated at the tail end of the conventional condom.

By means of the elastic binding force of the front end of the inner sleeve 2, when a wearer pulls out from the opposite side, the wearer does not need to hold the inner sleeve at the initial stage and does not fall off in the opposite side integrally, but the front end of the inner sleeve 2 moves to the coronary sulcus in the process that the inner sleeve 2 turns outwards gradually, the front end edge of the inner sleeve 2 is embedded into the coronary sulcus, the retention effect on the front end of the inner sleeve 2 is obviously increased under the blocking of the protruding edge of the glans penis, and the inner sleeve 2 is guaranteed to be separated finally.

In sexual life, sensation and impulse mainly come from the glans penis, the inner sleeve 2 does not cover the glans penis, so that stimulation caused by friction to the glans penis is not influenced, pleasure caused by glans penis stimulation is kept, the inner sleeve 2 wraps part of the penis at the rear part of the glans penis from which the secondary sensation and impulse come, the outer sleeve 1 and the outer sleeve form a double-layer structure, the friction stimulation can be isolated and weakened, the pleasure of the penis can be inhibited, a certain delay effect is achieved, and climax can be achieved for the other party in more time.

Regarding the shape of the inner sleeve, in the embodiment, the diameter of the inner sleeve 2 is gradually increased from the front end to the rear end, the whole inner sleeve is in a cone cylinder shape, and in addition to this linear change, other non-linear changes such as curve change and step change can be adopted in the implementation, and the non-linear changes are not limited to the constant increase and the minimum front edge diameter of the inner sleeve, as shown in fig. 2, the front section of the inner sleeve is in an outward convex shape, as shown in fig. 3, the front section of the inner sleeve is in an inward concave shape, as shown in fig. 4, the front section of the inner sleeve is in a step shape, as shown in fig. 5, and as shown in fig. 6, only the requirement that the diameter of the front end of the inner sleeve is smaller than that of the front end of the inner sleeve, the size of; the inner sleeve can be axially divided into two parts when being longer in the axial direction, the rear section is a cylinder 201, the front section is a reducer 202, and as shown in figures 2 to 5, the front end sealing performance can be kept, the pressure of the rear section on the penis can be reduced, and a larger body fluid containing space 3 is provided; the diameter variation can also make the reducer 202 better positioned on the penis, the hoop is firmer and the sealing is better.

Regarding the axial relative position of the inner cannula 2, it is only necessary that the front end of the inner cannula 2 is positioned on the penis at the rear of the glans when worn for use, allowing the inner cannula to be slightly wrinkled or piled up, preferably that the front end of the inner cannula 2 is positioned in front of the midpoint of the penis, and most preferably that the front end of the inner cannula 2 is positioned in the coronary sulcus; when the device is used, the glans penis is wrapped after air at the front end of the outer sleeve is removed, the curled part is unfolded, so that the front end of the inner sleeve 2 falls at the coronary sulcus, and due to the size difference of users, if the front end of the inner sleeve 2 falls on the glans penis when the device is worn, the sleeve can fall into the coronary sulcus after being unfolded over the glans penis because the outer sleeve and the glans penis both have elasticity and is slightly lifted and pulled at the rear end of the sleeve, so that the lifting problem can be avoided, and the position can be slightly retreated to a little when the device is designed; the diameter of the glans penis from the back edge to the coronal sulcus is suddenly reduced, so that the glans penis can effectively prevent the glans penis from falling off in the reverse direction.

Regarding the axial dimension of the inner sleeve 2, the body fluid receiving space 3 can meet the receiving requirements. In the sexual intercourse process, the secretion of body fluid of a wearer is a small and continuous process, the body volume is not large, part of body fluid can flow into the body fluid containing space 3 along the inner wall of the outer sleeve 1, the volume of ejaculatory semen is relatively large, but the ejaculatory stage is in the end stage of sexual intercourse, the action amplitude is obviously reduced, and only part of the semen can be squeezed into the body fluid containing space 3, so that the requirement on the body fluid containing space 3 is low, the requirement can be met when the axial length is larger than 1 cm generally, but not limited to the size, the body fluid containing space 3 is large, certain redundancy is left, the use safety is better, and the inner sleeve is allowed to be accumulated for a.

In the second embodiment, as shown in fig. 7, 8 and 9, in the body fluid crossing prevention condom, the rear end of an inner sleeve 2 is hermetically connected with the rear end of an outer sleeve 1, the inner sleeve 2 is axially divided into two sections, the rear section is a cylinder 201, the front section is a reducer 202, the diameter of the cylinder 201 is equal to or smaller than that of the outer sleeve 1, which is slightly smaller than that of the outer sleeve 1, a flow channel 8 with an annular cross section is formed between the cylinder 201 and the outer sleeve 1, the flow channel extends to the rear end of the outer sleeve 1, the flow channel 8 is also a part of a body fluid containing space 3, the flow channel 8 plus a space between the reducer 202 and the outer sleeve 1 is a body fluid containing space 3, the body fluid containing space is a space for containing body fluid flowing to the rear along the inner wall of the outer sleeve 1, and fig..

Fig. 8 shows a half-finished product after demolding, all parts are integrally molded, and the cylinder 201 and the reducer cylinder 202 are folded into the outer sleeve 1 to form the structure.

Fig. 9 shows a two-part structure, in which a cylinder 201 and a reducer 202 constituting an inner sleeve 2 are integrally formed into one part, an outer sleeve 1 is a part, the inner sleeve 2 is sleeved into the outer sleeve 1, the rear end of the inner sleeve 2 is aligned with the tail end of the outer sleeve 1 to be bonded and sealed, or the rear ends of the inner sleeve 2 and the rear end of the outer sleeve 1 can be properly extended and then rolled up, and when the condom is used, the condom is still unfolded to a certain length and sealed and connected by the unfolded part, provided that the condom body has enough length; in FIG. 9, the rear end of the inner sleeve and the tail end of the outer sleeve 1 are both provided with curled edges 6, and when the method is implemented, only one curled edge or neither curled edge is provided, and the curled edges are rolled or not curled after bonding; in implementation, the cylinder 201 and the outer sleeve 1 may be integrally formed as a part, and the reducer cylinder 202 may be partially bonded; or divided into three parts of the outer sleeve 1, the cylinder 201 and the reducer 202, and then bonded.

The rear end of the inner sleeve 2 is connected with the tail end of the outer sleeve 1, so that the axial length of the inner sleeve is longer, a larger body fluid accommodating space is provided, the accommodating performance is better, and the use is safer; the front end of the reducer cylinder 202 is bound on the penis, when the reducer cylinder is taken off, the cylinder 201 and the reducer cylinder 202 which form the inner sleeve are turned outwards, the turning-out length is longer, and the crossing of body fluid can be effectively prevented; when the body fluid moves, the body fluid flows to the tail end under the guidance of the low-resistance flow channel instead of gathering the body fluid at the front end of the outer sleeve 1, and the accommodating space is distributed around the whole space in the outer sleeve 1, so that the body fluid has stronger dispersity, and the body fluid is more effectively prevented from being gathered at the front part and being squeezed and broken; meanwhile, the flow guiding mode can also reduce the pressure of the body fluid at the position where the front end of the reducer cylinder 202 tightly hoops the penis, and leakage is prevented more effectively.

In the third embodiment, in order to enhance the durability of the sexual life, at least one annular elastic binding ring 7 with the diameter smaller than that of the outer sleeve 1 is arranged in the space between the inner sleeve and the outer sleeve 1, so that the blood in the corpus cavernosum of the penis can be locked more effectively, and the quality of the sexual life is improved; the binding rings 7 can be independently arranged, for example, fig. 10 is a schematic view of an independent binding ring placement structure, and the binding rings 7 are movable; the binding ring 7 can also be connected with the inner sleeve or the outer sleeve into a whole, as shown in fig. 11, the binding ring and the inner sleeve are in a whole structure schematic diagram, in the drawing, the binding ring is positioned at the tail end of the inner sleeve, the position is also the tail end of the outer sleeve 1, the joint of the cylinder 201 and the outer sleeve 1 can be used as a boundary line of the cylinder 201 and the outer sleeve 1 in the manufacturing process, can also be used as an initial position in the curling process, is suitable for the curling process by the force of the curling wheel, and in the implementation process, the binding ring 7 can also be positioned at other.

In the fourth embodiment, as shown in fig. 12, in the body fluid crossing prevention condom, more than two flow channels 9 communicated with the body fluid containing space 3 are arranged on the inner wall of the outer sleeve 1 at the rear part of the inner sleeve 2, four flow channels 9 are shown in the figure, the flow channels 9 extend towards the tail end of the outer sleeve 1, and the flow channels 9 extend to the tail end of the outer sleeve 1 and are closed; the cross sections of the four flow channels 9 are not in an integral annular shape, but are a plurality of independent flow channels 9 distributed circumferentially, adjacent flow channels 9 are separated by a rib 10, and the rib 10 can be an adhesive tape or an adhesive film. The embodiment is further optimized in the scheme, and can be obtained by adding the connecting flow channel 9 in the first embodiment, so that the liquid can be guided to the tail end of the outer sleeve 1 through the flow channel 9, the liquid containing space 3 is enlarged, the pressure of the liquid containing space 3 is reduced, the phenomenon that the accumulated liquid in the liquid containing space 3 is excessively pressed and broken is avoided, and the use is safer; or the flow channel 9 can be isolated by adding the rib 10 in the flow channel 8 in the embodiment. Due to the existence of the ribs 10, the axial position between the outer sleeve 1 and the cylinder 201 is relatively fixed, no body fluid lubrication exists between the cylinder 201 and the penis, the outer sleeve 1 is not easy to fall off, and the outer sleeve 1 is relatively fixed and is not easy to slide down, so that the falling probability can be further effectively reduced. The flow channel 9 may also not extend to the rear end of the jacket, which is closed at the rear section of the jacket.

Fifth embodiment, as shown in fig. 13, the condom for preventing body fluid from crossing is similar to the fourth embodiment, except that the number of the flow passages 9 is large, the adjacent flow passages 9 are separated by two ribs 10, the front ends of the two ribs 10 are gradually close to each other and connected at the end points, trumpet-shaped flow passage openings are formed at the two sides of the connecting end points, so that the liquid can be better guided to flow into each flow passage 9, and after the front end of each flow passage 9 is retracted to the axial midpoint of the outer sleeve 1, a non-flow passage area 11 is formed between the two ribs between the adjacent flow passages 9; the non-flow channel region 11 is optimized from the first embodiment when it is a single-layer structure, and the non-flow channel region 11 is optimized from the second embodiment when it is a double-layer structure.

In the fifth embodiment, after the front end of the flow channel 9 is retracted to the axial midpoint of the outer sleeve 1, conditions can be provided for the inner sleeve 2 with a longer axial length at the front part of the flow channel 9, so that the inner sleeve 2 has a longer everting length when taken off, thereby ensuring the cross-action of body fluid prevention and providing the anti-falling function of the fifth embodiment; the fourth and fifth embodiments are not limited to the proportions shown in the figures, and the axial length proportions of all parts can be adjusted as required during application, so that the practical requirements are met.

The flow channel 9 is composed of the outer sleeve 1 on the outer layer and the inner wall on the inner layer, and the circumferential length of the outer sleeve on the cross section of the flow channel 9 can be larger than that of the inner wall, so that a larger body fluid accommodating space can be provided; when the inner wall is stretched and then is bonded on the outer sleeve 1, under the loose state after bonding, the circumferential length of the outer sleeve forming each flow channel 9 is larger than that of the inner sleeve, and the outer sleeve forming each flow channel 9 has more allowance of outward expansion.

Preferably, in the implementation, in order to relatively fix the axial positions of the outer sleeve 1 and the inner sleeve 2, the rear section of the inner sleeve 2 and the outer sleeve 1 can be connected through an intermittent connector, the connector can be in a strip shape or a point shape, can be in a straight line or a broken line or a curve shape, can be in a round point or a polygonal point shape, or can be used comprehensively, the connector is distributed intermittently, and gaps are reserved among the connectors, so that the relative fixation of the axial positions of the outer sleeve and the inner sleeve is achieved, the smooth flowing of liquid into a body liquid containing space is ensured, the axial position of the connector can be deviated to the tail end, the connector is optimally distributed after the midpoint of the axial line of the outer sleeve, and the everting length of the inner sleeve is ensured.

Sixth embodiment, when the connector is the strip, can set up to the one-way baffle of zigzag, separate zigzag runner, see fig. 14 specifically, be connected with crisscross V font connector 12 between sleeve pipe 2 back end and overcoat 1, the V font opening is towards overcoat 1 tail end, form zigzag runner, form stock solution chamber 13 in the V font, form liquid downstream to the tail end, structure against current to the front end, liquid gets into stock solution chamber 13 during the adverse current, stay the adverse current liquid, can make liquid only flow towards the tail end effectively, prevent to return the front portion along with taking out and inserting the action adverse current, reduce anterior hydrops, reduce the pressure of front portion especially near interior sleeve pipe front end, better prevent that the body fluid from overflowing by the tail end, played simultaneously and connected integrative anticreep effect.

Seventh embodiment, a unidirectional flow guiding body is arranged in the flow channel 9, the flow guiding body is a curved connecting body 14, the curved connecting body 14 is connected between the outer casing and the inner wall of the flow channel 9 in a staggered manner, as shown in fig. 15, the flow guiding body is not limited to a curved connecting body, but also can be a straight-line or zigzag connecting body, so as to form a zigzag flow channel in the flow channel 9, the curved connecting body 14 is connected with the marginal line, namely the rib 10, of the flow channel 9 to form a liquid storage cavity 13, the opening of the liquid storage cavity 13 faces the tail end, a structure that liquid flows downstream towards the tail end and flows upstream towards the front end is formed, liquid enters the liquid storage cavity 13 during backflow, the backflow liquid is retained, the liquid can effectively flow towards the tail end only, backflow back to the front portion along with the pulling and inserting action is prevented, the front portion accumulated liquid.

Regarding the unidirectional flow guiding body with the unidirectional flow structure, the unidirectional flow guiding body is not limited to the six form and the seven form of the above embodiment, and other shape connecting bodies can be added or other shape connecting bodies can be added on the basis, so that the smooth flow of the body fluid to the tail end is ensured, and the body fluid is not stopped to the front end.

Preferably, the raised supporting body is arranged at least one side of the inner sleeve and the outer sleeve or in the flow channel, so that the flow channel can be supported, body fluid can flow to the tail end more smoothly, and the amount and pressure of liquid reserved near the front end of the inner sleeve are reduced.

During implementation, the outer sleeve is preferably provided with the side seminal vesicle which protrudes outwards to contain liquid flowing to the body fluid containing space and the flow channel, the containing space has more outwards expanded allowance, the liquid storage capacity is improved, and the pressure born by the outer sleeve is relieved.

During implementation, preferably, an adduction annular sheet sleeved on the penis can be connected to the inner side of the rear section of the outer sleeve and/or the inner sleeve, and the annular sheet is sleeved on the penis behind the front end of the inner sleeve to serve as a secondary defense line during use, so that body fluid is better prevented from overflowing from the tail end; the ring shape can also be replaced by the inner sleeves, more than two inner sleeves are axially distributed in the outer sleeve in the front and back direction, and one layer of protection is added.

Preferably, the diameter of the front end of the inner sleeve is smaller than that of the outer sleeve, the diameter of the front end of the inner sleeve is one third to two thirds of that of the outer sleeve, the outside value of the proportion range is not excluded, the specific size is adjusted according to the elasticity of the inner sleeve, the elasticity is proper, the tightness cannot be too tight, the tightness cannot be too loose, the position of the inner sleeve on the penis at the back of the coronary sulcus or the coronary sulcus is referred to, the diameter of the coronary sulcus is different from that of the penis at the back of the coronary sulcus, and the diameter of the front end of the inner sleeve is designed to be slightly.

Preferably, the side surface of the sleeve body is provided with a larger body fluid accommodating space, and the front end of the outer sleeve can be provided with no sperm storage bag or a smaller sperm storage bag, so that the front end of the glans penis cannot be stacked to form the sleeve body of the sperm storage bag, the front end of the glans penis is tightly wrapped to better sense friction, and the glans penis pleasant sensation stimulation is improved.

In practice, it is preferable that when the inner sleeve is connected to the tail end of the outer sleeve, the joint is provided with an annular protrusion which serves as a boundary line and a curling starting position.

During implementation, preferably, agents such as spermicide can be arranged in the body fluid containing space, the flow channel and the glans penis containing space, and agents such as anesthetic are arranged in the glans penis containing space, so that different functions are realized.

In practice, the flow channel 9 may be a spiral flow channel or a zigzag flow channel. No matter the flow passage is curved or straight, the flow passages can be circumferentially distributed at intervals, and can also be circumferentially distributed by marginal lines, namely ribs.

Preferably, the diameter of the outer sleeve is smaller than or equal to that of the cylinder, and the outer sleeve wraps the cylinder to be attached to the surface of the penis when in use.

In practice, the front end of the inner sleeve can be provided with a curled edge to improve the elasticity and enhance the sealing property.

Preferably, the thickness of different parts can be freely selected, for example, the coat is thinner and thinner to ensure that the glans penis is stimulated sufficiently. Aiming at the people who are particularly sensitive to stimulation, the glans penis or the back edge of the glans penis of the coat can be thicker, which is beneficial to prolonging the sexual intercourse time. The inner sleeve can be thicker, and the stimulation of the penis is reduced to play a role in delaying. The connecting part of the inner sleeve and the outer sleeve can be thicker and gradually transited to a thinner part, so that the structural strength is improved.

Preferably, the drawstring is made of a flexible sheet material, such as a rubber sheet, a woven sheet, a non-woven sheet and other flexible sheet materials; or an elastic sheet material such as a thin plastic sheet; the pull belt can be simplified into a pull rope in implementation.

In practice, it is preferable that the rear section of the jacket is turned to the outside of the front section of the jacket to replace the drawstring, and the tail end curled edge 6 replaces the holding end, as shown in fig. 27, which is a state before being turned over, and is more concise and convenient. The crease can be provided with an annular rib or a movable annular rib which is integrated with the jacket, so that the outer jacket can be rolled up conveniently.

Preferably, the side wall of the inner sleeve or the outer sleeve is provided with a pattern layer, and when the pattern layer is arranged on the side wall of one side of the inner sleeve adjacent to the outer sleeve, namely the outer wall of the inner sleeve or the inner wall of the outer sleeve, the pattern layer can be prevented from directly contacting with a human body, and no adverse effect can be caused on the human body.

When the rubber sleeve is used, the annular protrusion, the annular rib, the annular elastic binding ring, the curled edge and other annular entities which are connected with the sleeve body into a whole can be obtained by arranging a groove on a die and integrally forming the annular protrusion, the annular rib, the annular elastic binding ring and the curled edge and the like, can also be obtained by rolling the sleeve body, can also be prepared into the annular entities firstly and then connected with the sleeve body, and the connection can be in bonding connection with the sleeve body prepared firstly, or can also be formed by sleeving the annular entities prepared firstly on the die and connecting the annular entities into a whole during gum dipping of the.

In implementation, when the inner sleeve is a revolving body, the axis of the inner sleeve is superposed with the axis of the outer sleeve; when the inner sleeve is a non-revolving body, the circle center of the rear end of the inner sleeve falls on the axis of the outer sleeve, and the circle center of the front end deviates from the axis of the outer sleeve, so that the inner sleeve is suitable for tilted penis, the direction can be marked on the sleeve body, and the deviation direction corresponds to the tilting direction of the penis.

When in implementation, the front end surface and the rear end surface of the inner sleeve can be vertical to the axis of the outer sleeve and can also be inclined moderately; the front end face of the inner sleeve can be adapted or intended to be adapted to the shape of the coronary sulcus when it is in a non-perpendicular position to the axis of the outer sleeve.

When the penis is in operation, the axis of the inner sleeve can be a straight line or a curve, and can adapt to a tilted penis and better adapt to the shape of a coronary sulcus when the axis is the curve; of course, the axis of the jacket may likewise be straight or curved and may be marked with directions.

In this example, each feature may be provided in plural numbers as necessary to improve performance.

When the penis clamping device is used, the force for clamping the penis at the front end of the inner sleeve can be adjusted and corrected through the elasticity or the inner diameter of the front end of the inner sleeve, the clamping force is moderate, no gap exists between the inner sleeve and the penis, the clamping can be regarded as clamping, and the sealing effect and the guarantee of blood circulation are specifically met; the penis is hooped on the penis, under the constraint of the front end of the inner sleeve, the artery is higher than the venous pressure, the glans penis at the front part of the inner sleeve is kept in a full congestion state, so that the turtleneck feeling of the glans penis can be increased, the sensitivity is reduced, the time delay purpose is achieved, more time preparation for the opposite side to achieve climax is achieved, models with different elastic forces at the front end of the inner sleeve can be produced according to the requirements of different people during production, and time delay selection is achieved.

When the condom is used, the diameter of the front end of the inner sleeve is small, the penis is tightly hooped, the probability of leakage under the action of ejaculation is very small, even if the penis stays in the body of the opposite side for a short time after the ejaculation, the front end of the inner sleeve still hoops the penis before the penis is shrunk to a certain degree, the falling phenomenon can not be generated when the penis is pulled out, the tail end does not need to be held by hands like a traditional condom, the falling is prevented, the penis is shrunk slightly, the expansion of the rear section of the inner sleeve and the outer sleeve can be reduced, and the eversion is facilitated. At the moment, even if the outer sleeve falls off when being pulled out, the inner sleeve gradually turns outwards, and finally the front end of the inner sleeve is separated, so that the whole inner sleeve cannot fall off in the opposite side, and the outer sleeve can be pulled out after turning outwards, so that the body fluid intersection is effectively prevented, and the use is more convenient.

In an eighth embodiment, a production tool for nesting and molding a body fluid crossing-preventing condom is shown in fig. 16, which is a sectional view of an internal structure thereof, and is provided with an inner supporting tube 34 and a sealing head 35, the sealing head 35 is connected with a pull rod 15 penetrating through a hollow position of the inner supporting tube 34, the pull rod 15 is connected with a driving mechanism, the sealing head 35 is pressed on an end edge of the front end of the inner supporting tube 34 under the action of the pull rod 15, the sealing head 35 or the pull rod 15 is provided with air guide holes 16 communicating with two sides of the sealing head 35, the air guide holes 16 are connected with an air source through air exchange valves, the front ends of the inner supporting tube 34 and the sealing head 35 are provided with outer supporting tubes 17 coaxial therewith, the inner diameter of each outer supporting tube 17 is larger than the outer diameter of the inner supporting tube 34, one end of each outer supporting tube 17 is blocked, the other end of each outer supporting tube 17 is open, the.

The nesting production tool is suitable for a sleeve body with the rear end of an inner sleeve 2 connected to the tail end of an outer sleeve 1, when the nesting production tool is used, the front end of the inner sleeve 2 is sleeved into an end socket 35, a pull rod 15 pulls the end socket 35 to be close to the front end of an inner supporting pipe 34, the front end of the inner supporting pipe 34 is used for pressing and fixing, the outer sleeve 1 is attached to the inner supporting pipe 17 through inflation, the sectional view of an air blowing station is shown in fig. 17, then the outer supporting pipe 17 moves towards the inner supporting pipe 34, the sectional view of a nesting station is shown in fig. 18, air is discharged in the movement process, the air is thoroughly discharged after nesting forming is in place, the outer supporting pipe 17 is separated from the inner supporting pipe 34, the sleeve body is attached to the.

In order to relatively fix the front end of the inner support pipe 34 along the position of the pressed inner sleeve 2 and improve the product size consistency, after the front end of the inner sleeve 2 is sleeved in the end socket 35, the air is inflated until the air flow overflows from the gap between the front end of the inner sleeve 2 and the end socket 35, the inflation is stopped, after the excessive air flows out, the front end of the inner sleeve 2 is fixed by pressing the front end of the inner support pipe 34, then the next action is completed, the nesting is completed, and the product folding size consistency is high. The inflation and deflation process can be controlled by pressure, flow or photoelectricity, the required precision of expansion is achieved, and the consistency of products is improved.

When the anti-sticking agent spraying device is implemented, the end socket can be connected with a spraying hole, and the spraying hole is connected with a hydraulic pump system through a guide pipe penetrating through the hollow position of the inner supporting pipe and is used for spraying an anti-sticking agent, a lubricating agent and the like into the flow passage.

When the structure is implemented, the front end of the end socket can be connected with an adhesive liquid applying pipe, the liquid applying pipe is connected with an adhesive hydraulic pump system through a guide pipe penetrating through the hollow position of the inner supporting pipe, the adhesive liquid applying pipe is connected with a transmission rod penetrating through the end socket, the transmission rod can push the liquid applying pipe to extend laterally and be used for applying glue to the flow channel space and separating multiple flow channels, and the structure is also suitable for dropping or coating or spraying an anti-sticking agent, a lubricant and the like.

When the liquid applying pipe is used, the liquid applying pipe can be connected with the transmission rod through the elastic sheet or the spring, and the liquid applying pipe is laterally stretched to have elasticity, so that the sleeve body is prevented from being damaged by hard action.

During implementation, a rubber pad can be arranged at the front end of the inner supporting pipe or on the end socket to protect the inner sleeve and prevent the inner sleeve from being damaged under pressure, and the pull rod can be pressed by a spring to avoid hard force application of the end socket.

When the device is implemented, the inflation and deflation can be replaced by the inflation and drainage liquid, so that the liquid volume elasticity is smaller, the volume measurement is more accurate, and the control is easier. The liquid can be lubricant or water, when the lubricant is used, residual lubricant can be left between the outer sleeve 1 and the inner sleeve 2, the friction between the outer sleeve 1 and the inner sleeve 2 is reduced, and the friction and crushing risk of the sleeve body is reduced; when water or conductive lubricant is used, the outer supporting tube 17 and the inner supporting tube 34 can be used as conductors, the end socket 35 and the inner supporting tube 34 are insulated, the resistance between the liquid and the outer supporting tube 17 and the resistance between the liquid and the inner supporting tube 34 are monitored, electric leakage detection can be performed, the electric detection is performed when the sleeve body is expanded, and the quality of the product is more reliable.

When the device is implemented, the outer support pipe 17 can be axially divided into more than two sections, each section is respectively connected with the driving mechanism, a plurality of suction holes can be arranged on one or more sections of inner walls, the suction holes are connected with an air source, the suction holes can suck the outer sleeve body after the sleeve body is inflated, the suction holes still suck the outer sleeve body after the sleeve body is properly deflated, then the sleeve body moves axially, the outer sleeve body at the sucking part can be overlapped or stacked on the adjacent part, the sections with the suction holes are matched to perform more overlapping or stacking operations, the adjacent sections can also have different calibers, one section can stretch into the adjacent section, the inner wall of each section can be made of flexible materials, and the adsorption effect is better; one or more sections of inner walls can be provided with flexible air bags which are connected with an air source, and a part of the fixed outer sleeve body can be held by inflating; the air bag with the suction hole can be arranged on one or more sections of the inner wall, the suction hole and the air bag are respectively connected with an air source, the air bag can be adsorbed and can be controlled to be fixed, the outer sleeve body can be gradually played back along with the inflation of the air bag under the adsorption condition, the positioning is better, the outer sleeve body can be sucked up when the air bag is deflated, the end socket is not needed to be inflated under the applicable condition, so that the end socket and the pull rod are omitted, the end socket of the inner support pipe is plugged to adapt to the shape of the front end of the inner sleeve pipe, and the air guide hole is arranged on the end.

In implementation, an outer sleeve 43 may be disposed outside the inner supporting tube 34, as shown in fig. 28, the inner diameter of the outer sleeve 43 is larger than the outer diameter of the outer supporting tube 17, the rear end of the outer sleeve 43 is retracted to be in clearance fit with the inner supporting tube 34, and may also be connected through a shaft sleeve, an annular space is formed between the front end of the outer sleeve 43 and the front end of the inner supporting tube 34, the outer supporting tube 17 may be inserted from the annular space, gaps are left inside and outside the outer supporting tube 17, an air passage is connected to the blocking end of the outer supporting tube 17, the air passage is connected to an air source, the outer sleeve 43 may also be replaced by an annular boss, the structure may be used as an outer sleeve to replace a drawstring, and when the rear end of the inner sleeve 2 is connected to the outer sleeve tail end; when the condom is used, the outer sleeve 43 moves forwards, the seal head 35 is firstly utilized to inflate, then the inner support tube and the outer support tube are close to each other, proper air pressure is kept during the closing process until the condom is in place, namely, the joint of the outer sleeve 1 and the inner sleeve 2 reaches the position close to the front end of the outer sleeve 1, the turnover position of the outer sleeve 1 and the inner sleeve 2 is close to each other, then the air is deflated, the front section of the outer sleeve 1 retracts and is attached to the front section of the inner sleeve 2, the rear section of the inner sleeve 2 retracts and is attached to the rear section of the outer sleeve 1, then the outer support tube 17 is inflated through the air passage at the blocking end to keep airflow flowing and leaking, the air cushion formed by the airflow reduces the friction between the outer support tube 17 and the condom body, so that the outer support tube 17; when in use, the joint of the outer sleeve 1 and the inner sleeve 2 is pulled backwards, so that the curled part is opened, and the disposable medical needle can be used. The contact part with the sleeve body can adopt a colloid surface to improve the friction force, and the inside of the outer support tube 17 can generate negative pressure by the air passage at the plugging end in the approaching process, so that the front part of the outer sleeve is stabilized in the outer support tube 17 in the approaching process; the outer supporting pipe 17 has a plurality of openings at the blocking end air passage in the cavity and is distributed circumferentially;

as shown in fig. 29, when the tool is changed in the axial nesting position, the outer sleeve 43 and the outer support tube 17 are slightly separated, the inner sleeve 2 is not folded, only the outer sleeve 1 is folded, so that the outer sleeve 1 forms an axial folding stack 46, and the condom shown in fig. 32 can be produced by deflating and rolling;

as shown in figure 30, the outer sleeve 43 and the outer support tube 17 of the tool are not nested, the ends are axially pulled apart by a certain distance, the deflation process is close, the outer sleeve 1 generates an axial wave-shaped stack 47, the inner sleeve 2 is not folded, the deflation is rolled up to produce the condom shown in figure 33, at the moment, the caliber of the outer sleeve 43 can be equal to or smaller than that of the outer support tube 17, the shrinkage forming effect is better, and the wave-shaped stack can be designed into a wave shape during the manufacture of the outer sleeve, so that the stack is easier.

During implementation, the end socket 35 and the pull rod 15 are not arranged, the air vent 16 is directly arranged at the end head of the inner support tube 34 and is suitable for nesting and rolling a condom with an inner sleeve 2 which is not connected with the tail structure of the outer sleeve 1, the inner sleeve 2 and the outer sleeve 1 are directly sleeved on the inner support tube 34, after inflation, the inner support tube 34 is close to the outer support tube 17, air is gradually released, axial stacking is generated on the inner sleeve 2 and the outer sleeve 1, and the condom is rolled and then packaged; in practice, the external supporting tube 17 may be a bottomless cylinder or cone, or may be a multi-stage structure, and may be driven mechanically or operated manually. The end of the inner brace tube 34 may be provided with an annular recess for axially retaining the forward end of the inner sleeve.

When in use, the operation is carried out by hands after the inflation, and the external support pipe 17 can be omitted, thus being suitable for small-scale production.

The embodiment nine, a body fluid cross-proof condom front concave type production tool I, as shown in figure 19, is provided with a die handle 18 and a die head 19, the rear end of the die head 19 is connected with the die handle 18, the front end is provided with an inward axial depression 20, after gum dipping and demoulding, a colloid on the inner side of the depression is an outer sleeve front section 21, the outer surface of the die head 19 is sequentially provided with an outer sleeve rear section 22, a cylinder section 23 and a reducing cylinder section 24 from front to back, the depression depth and the axial length of the gum dipping outside the die are the same as the unfolding length of a condom body. After the demolding, the diameter of the front jacket section 21 is smaller than that of the rear jacket section 22, the wrapping force of the front jacket section 21 is larger than that of the rear jacket section 22 in use, and under the pulling and inserting actions, semen can easily flow to the rear jacket section 22 with relatively smaller package clamping force and stays in the flow channel space of the rear jacket section 22, so that the semen is not easy to flow back to the front part, and the liquid collection performance is better; the die head 19 is provided with an annular groove 25 at the junction of the jacket rear section 22 and the cylinder section 23, and the annular groove can be omitted when the die head is folded at the junction when the die head is nested.

The tenth embodiment is a second tool for producing a body fluid crossing-preventing condom front concave, in the ninth embodiment, the outer diameter of the outer sleeve rear section 22 on the die head 19 is equal to that of the cylinder section 23, different from the ninth embodiment, the outer diameter of the cylinder section 23 in the ninth embodiment is smaller than that of the outer sleeve rear section 22, the outer diameter of the cylinder section 23 after demoulding can be smaller than that of the outer sleeve front section 21 through size setting, as shown in fig. 20, the annular groove is replaced by a reducing curved surface 26 at the joint of the outer sleeve rear section 22 and the cylinder section 23, and side seminal vesicle protrusions 27 for forming side seminal vesicles are distributed on the die head 19 of the outer sleeve rear section 22.

The eleventh embodiment, see fig. 21, a third production tool for preventing body fluid from crossing the condom front concave, the difference with the ninth and tenth embodiments is that the inner wall of the recess is provided with an axial groove 28, the diameter of the outer sleeve in the recess can be expanded, the rear section of the outer sleeve is not arranged outside the die head 19, the outer sleeve can be completely arranged in the recess, the diameter of the outer sleeve can be controlled and adjusted in a larger range by adjusting the depth and the number of the axial grooves 28, the diameter of the outer sleeve can be larger than the diameter of a cylinder after demoulding, the side wall of the recess can be thickened, the structural strength is improved, the edge and the end of the axial groove 28 are in curved surface transition, the connection is excessively natural, and the required size is obtained; in practice, the axial sections of the jacket may also have different diameters by adjusting the axial depth of the axial grooves 28.

In the ninth, tenth and eleventh embodiments, the air holes can be formed at the bottom of the recess, and the outer ends of the air holes are arranged on the mold handle 18, so that the glue solution can easily enter the recess to be hung on the wall for film formation without inclined gum dipping; axial notches can be arranged on the edges of the concave parts to form ribs for manufacturing a multi-flow passage in an isolation way; a drum core can be arranged in the recess for forming the seminal receptacle, and demoulding can be easier.

In the twelfth embodiment, as shown in fig. 22, a body fluid crossing preventing condom back concave type production tool is provided with a die handle 29 and a die head 30, wherein the back end of the die head 30 is provided with an inward axial recess 33, the center position in the axial recess 33 is connected with the die handle 29, the die handle 29 is sleeved with a sleeve 31 of which the front end is inserted into the bottom of the axial recess 33, the front end of the sleeve 31 is provided with a boss 32, after gum dipping and demolding, the inner wall of the recess is glued into a cylinder and a reducer cylinder, namely an inner sleeve, the outer side of the die head 30 is a jacket, the axial length of the gum dipping added to the depth of the recess and the outer side of a film is the same as the expansion length of a condom body, after gum dipping and molding, the sleeve 31 drives the boss. This a back concave formula production tool for production of integrated cover body, the axis is short, and production need not reform transform current production line by a wide margin, and the input is lower, and light in weight economizes the space, and the integrated cover body of formable. Axial air passages may be provided in the inner wall of the sleeve 31 or in the outer wall of the die shank 29 to facilitate demolding.

In the twelfth implementation of the embodiment, an annular cutting knife can be arranged corresponding to the boss, the sleeve body is formed and separated at the front end of the sleeve, and a sliding knife is arranged corresponding to the outer wall of the sleeve and used for cutting an axial opening; similarly, an axial gap can be arranged on the edge of the recess, and an axial groove is arranged on the inner wall of the recess.

In the thirteenth embodiment, a sectional production tool for a condom capable of preventing fluid crossing is provided, as shown in fig. 23, with a front mold section 4 and a rear mold section 5 which are coaxial, a shaft rod 36 is connected to a rear end of the front mold section 4 at a shaft center position, the shaft rod 36 is matched with a shaft sleeve 37 at a shaft center position in the rear mold section 5, an axial driving mechanism is provided between the shaft rod 36 and the rear mold section 5, the axial driving mechanism drives the front mold section 4 and the rear mold section 5 to approach or separate from each other, an edge near the rear end of the rear front mold section 4 is arranged on an edge at the front end of the rear mold section 5, an inner sleeve mold 38 which is convex backward is provided at a rear end of the front mold section 4 at a shaft center position, a recess is provided at an inner edge of the front end of the; a spring which enables the front mold section 4 and the rear mold section 5 to be close to each other is arranged between the shaft rod 36 and the rear mold section 5, in this embodiment, the compression spring 39 is arranged, an air passage 40 is arranged on the shaft rod 36, after the edge of the rear end of the front mold section 4 and the edge of the front end of the rear mold section 5 are jacked, one end of the air passage 40 is communicated with the gap of the inner sleeve mold 38, and the other end of the air passage is connected with an air source outside the gap through an air. During working, the axial driving mechanism drives the shaft lever 36 to push the front mold section 4 to separate the front mold section 4 from the rear mold section 5, then gum dipping is carried out on the front mold section 4 and the inner sleeve pipe mold 38, after drying, the axial driving mechanism drives the withdrawing shaft lever 36 to drive the front mold section 4, the edge of the rear end of the front mold section 4 and the edge of the front end of the rear mold section 5 are arranged at the top under the action of the spring and sealed by the pressure of the compression spring 39, gum dipping is carried out again, demolding is carried out after drying, and demolding can be carried out by air channel inflation. The compression spring 39 may be omitted and the pressure may be adjusted by an axial drive mechanism.

According to the body fluid crossing prevention condom sectional type production tool, the produced condom body is thick in the combined part of the condom body and not easy to damage, automatic one-line forming is achieved, the condom body is efficient and rapid, the consistency of product parameters is good, the front section of the condom body is thick, the condom body is suitable for people with glans being sensitive to stimulation, and the sexual intercourse time can be effectively prolonged.

In implementation, the inner sleeve pipe model 38 may also be arranged to protrude forward at the front end of the rear mold section 5, the rear mold section 5 is first dipped for one or more times, then the sleeve body is repaired, and then the front mold section 4 is connected to be dipped, the front mold section 4 and the rear mold section 5 are separated, as shown in fig. 24, the front mold section 4 and the shaft rod 36 are connected through threads, and can also be connected through a buckle or an electromagnetic connection or an expansion block, and the expansion block is an expansion block coaxial with the front mold section and is connected in the front mold section in an expansion manner. The front mould section has fewer gum dipping times than the rear mould section, and is suitable for manufacturing the sleeve with a thinner front end.

When the inner sleeve model is implemented, the inner sleeve model can also be an inward concave model, and an axial groove can be arranged on the surface of the inner sleeve model to expand the diameter. The front part of the shaft sleeve can be provided with a flexible diaphragm of which the inner ring is connected with the shaft lever and the outer ring is connected with the rear mould section, and the flexible diaphragm is sealed and isolated and is used for preventing sundries from falling off and polluting glue solution by friction of the shaft lever part of the shaft sleeve. The spring may also be an extension spring, and the direction of the spring force may also be such that the front mould section 4 and the rear mould section 5 are separated, but in operation the driving directions are opposite.

In summary, the embodiments are merely some specific examples of the technical scope of the present invention, and in implementation, the technical features may be re-split and combined to form more implementation approaches.

Equivalent modifications and additions to the prior art can be made without departing from the inventive concept as defined in the present application.

The invention has the advantages that the traditional structure of the existing condom is changed, and the description of the structure and the mechanism of each embodiment proves that the problems of body fluid countercurrent leakage cross and the like are well solved, and the invention has higher industrial practicability.

Claims (10)

1. A front concave type production tool comprises a die handle (18) and a die head (19), and is characterized in that the rear end of the die head (19) is connected with the die handle (18), an inward axial recess (20) is formed in the front end of the die head, and the inner side of the recess and the outer side of the die head are used for dip forming of an integrated sleeve body.

2. The front concave production tool according to claim 1, wherein the concave inner colloid is a front jacket segment (21), and the outer surface of the die head (19) is sequentially provided with a rear jacket segment (22), a cylindrical segment (23) and a variable diameter cylindrical segment (24) from front to back.

3. The front recess production tool according to claim 2, characterized in that the jacket rear section (22) and the cylinder section (23) have the same outer diameter or the cylinder section (23) has a smaller outer diameter than the jacket rear section (22).

4. A front recess production tool according to any one of claims 1 to 3, characterised in that the inner wall of the axial recess (20) is provided with an axial groove (28).

5. A front-concave production tool according to claim 2 or 3, characterized in that the back section (22) of the casing is distributed with lateral seminal receptacle protrusions (27) forming lateral seminal receptacles.

6. A tool according to claim 2 or 3, characterised in that the die head (19) is provided with an annular groove (25) at the intersection of the jacket rear section (22) and the cylinder section (23).

7. The front recess production tool as claimed in any one of claims 1 to 5, wherein the recess is provided with an air hole at a bottom thereof; the concave edge is provided with an axial gap for forming a rib to isolate and manufacture a multi-flow passage.

8. A front concave type production method is characterized by comprising the following steps of presetting a die head with an axial concave front end and a reducing cylinder section at a rear end, dipping a die, demoulding to form a sleeve body, wherein a colloid at the inner side of the concave is the front section of the sleeve body, the outer side of the die head sequentially corresponds to the rear section of the sleeve body, the cylinder section and the reducing cylinder from front to back to form the rear section of the sleeve body, and dipping the inner side of the concave and the outer side of the die head to form an integrated sleeve body.

9. The front concave type production method as claimed in claim 8, comprising the steps of presetting a cylindrical section having an outer diameter smaller than that of the rear section of the jacket outside the die head, dipping the cylindrical section and demoulding to form a jacket body, wherein the outer diameter of the rear section of the jacket on the jacket body is larger than that of the cylindrical section.

10. The method for producing a front concave type glove according to claim 8 or 9, comprising the steps of presetting an axial groove on the inner wall of the concave, dipping and demoulding to form a glove body, wherein the colloid on the inner side of the concave is the outer sleeve or the front section of the outer sleeve of the glove body.

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