CN206603806U - Gasbag handle and the childbirth instrument with it - Google Patents

Abstract

The utility model is related to a kind of gasbag handle and the childbirth instrument with it, and the gasbag handle includes air bag and handle, and air bag includes a neck and the utricule connected with neck；Handle includes shank body and gland, and shank body has the gas passage that the other end is through to from one end, and one end of shank body is formed with a bearing surface, and bearing surface is formed around gas passage arrangement；Gland is assemblied in one end of shank body with thread fiting mode, gland have one it is axially arranged be suitable to close on lead to the hole site inside the through hole and gland that neck passes through be formed with a pressure surface, pressure surface is formed around through hole arrangement, when the described one end of gland screw lid together in shank body, the neck of air bag is compressed to be fitted in be formed on bearing surface and sealed by pressure surface, so that gas passage is connected with neck.The gasbag handle provided according to the utility model, its is simple in construction, easy to assembly, and air-tightness is more preferable.

Description

Gasbag handle and the childbirth instrument with it

Technical field

The utility model is related to technical field of medical equipment, more particularly to a kind of gasbag handle and the childbirth instrument with it.

Background technology

Gasbag midwifery energy significantly shortening labor, mitigation parturient childbirth pain, reduction maternal complications, promotion spontaneous labor And reduce cesarean delivery rate, improve obstetric quality, and can assist to solve many difficult thorny problems in obstetrics, it is shown that new skill The vitality of art.

Air bag childbirth instrument generally comprises gasbag handle and aerating device, and gasbag handle includes handle and is arranged at handle one end Air bag, aerating device is connected with handle, to be inflated by handle into air bag.When specifically used, medical worker holds the gas Capsule handle, air bag is goed deep into vagina, then is inflated into air bag so that air bag expansion produces mechanical to uterine neck, palace mouthful Stimulate, make its passive stretching, extension, the decidual cell of attachment can be made to melt by mechanical damage and cracked.Due to containing in decidual cell Abundant arachidonic acid, increases arachidonic release and the synthesis of prostaglandin and release after decidual cell is activated Plus.Prostaglandin can make the oxytocin receptor increase of uterus basic unit again.And the prostaglandin generated diffuses to the uterus muscle closed on Layer, can strengthen the uterine contractile that oxytocin is induced.Discharged after induction uterine contraction is reached, then by the gas in air bag, so as to Taken out in by air bag from vagina.

In correlation technique, in gasbag handle structure, because air bag is latex material, and handle is generally hard plastic material Material, therefore, the connection sealing between air bag and handle are extremely difficult, moreover, assembling is also very inconvenient.

Chinese patent CN203873842 discloses a kind of childbirth instrument handle, including long handle, and long handle rear end sets air inlet to connect Mouthful, long handle front end is sequentially connected O-ring seals, connection sleeve pipe, outlet connecting rod, and outlet connecting rod rear portion sets external thread section, Corresponding long handle front portion sets internal thread hole, and external thread section is threadedly coupled through connection sleeve pipe and O-ring seals with long handle；It is described Outlet connecting rod be followed successively by external thread section, hexagonal section, cylindrical section, big round platform from back to front, insertion rod is fixed in big round platform front end； The centrally disposed through hole of described connecting pipe box, through hole front portion is Cylinder inner bore, corresponding outlet connecting rod cylindrical section, and through hole rear portion is Hexagonal endoporus, correspondence outlet connecting rod hexagonal section.Its is complicated, and sealing property is relatively poor, moreover, assembling is complicated, easily Damage sacculus.

Utility model content

The utility model is intended at least solve one of technical problem in correlation technique to a certain extent.Therefore, this reality It is to propose a kind of gasbag handle with a new purpose.

Another purpose of the present utility model is to propose a kind of childbirth instrument with the gasbag handle.

To achieve the above object, on the one hand, according to the utility model embodiment provide gasbag handle, including：

Air bag, the air bag includes a neck and the utricule connected with the neck；

Handle, the handle includes shank body and gland, and the shank body has the gas passage that the other end is through to from one end, And one end of the shank body is formed with a bearing surface, the bearing surface is formed around the gas passage arrangement；

The gland is assemblied in described one end of the shank body with thread fiting mode, and the gland is axially arranged with one Be suitable to close on the lead to the hole site inside the through hole that passes through of the neck and the gland and be formed with a pressure surface, the pressure Face is formed around the through hole arrangement, when the described one end of the gland screw lid together in the shank body, the pressure surface The neck of the air bag is compressed to be fitted on the bearing surface and forms sealing, so that the gas passage is connected with the neck It is logical.

The gasbag handle provided according to the utility model, one end of shank body is formed with a bearing surface, and bearing surface is formed as ring Around gas passage arrangement；Gland has one axially arranged to be suitable to face inside the through hole and the gland that the neck passes through The nearly lead to the hole site is formed with a pressure surface, and the pressure surface is formed around the through hole arrangement, when the gland spiral When being covered on described one end of the shank body, the neck of the air bag is compressed and is fitted in shape on the bearing surface by the pressure surface Into sealing, so that the gas passage is connected with the neck.In this way, in assembling, it is only necessary to which the neck of air bag is passed through Through hole on gland, then one end that gland screw thread is covered into shank body may be such that the pressure surface and shank body that the neck of air bag is glanded Bearing surface compress laminating formed sealing, its is simple in construction, easy to assembly, and air-tightness is more preferable.

In addition, can also have technical characteristic additional as follows according to the utility model above-described embodiment gasbag handle：

According to one embodiment of the present utility model, the gland is configured to a lid, and the lid includes roof and ring The perisporium set around the roof, the roof is formed with the through hole, and the inner surface of the roof constitutes the pressure surface, The perisporium is formed with the internal thread with the threaded one end cooperation of the shank body.

According to one embodiment of the present utility model, the axial direction protrusion of described one end of the shank body along the shank body A boss run through by the gas passage is formed, the bearing surface is formed on the boss.

According to one embodiment of the present utility model, the inner surface of the roof is plane, and the boss is configured to cylinder Shape, the end face of the cylindrical boss constitutes the bearing surface.

According to one embodiment of the present utility model, the inner surface of the roof is circular conical surface, and the boss is configured to circle Taper, the outer peripheral face of the conical boss constitutes the bearing surface.

According to one embodiment of the present utility model, the gland includes：

Lid, the lid includes roof and the perisporium set around the roof, and the roof is formed with the through hole, The perisporium is formed with the internal thread with the threaded one end cooperation of the shank body；

Snap ring, the snap ring is coaxially disposed in the lid, and the snap ring can be in the lid along the lid Axis is rotated, and the pressure surface is formed with the snap ring.

According to one embodiment of the present utility model, the axial direction protrusion of described one end of the shank body along the shank body A boss run through by the gas passage is formed, the bearing surface is formed on the boss.

According to one embodiment of the present utility model, the snap ring is hollow cylindrical, and snap ring described in hollow cylindrical faces The end face of one end of the nearly boss constitutes the pressure surface, and the boss is cylinder, and the cylindrical boss closes on described The end face of one end of snap ring constitutes the bearing surface.

According to one embodiment of the present utility model, the inner peripheral surface of the snap ring is circular conical surface, and the circular conical surface constitutes institute Pressure surface is stated, the boss is cone, and the outer peripheral face of the conical boss constitutes the bearing surface.

On the other hand, the childbirth instrument that the utility model embodiment is provided, with gasbag handle as described above.

Additional aspect and advantage of the present utility model will be set forth in part in the description, partly by from following description In become obvious, or by it is of the present utility model practice recognize.

Brief description of the drawings

Fig. 1 is the structural representation of the utility model one embodiment gasbag handle；

Fig. 2 is the decomposing schematic representation of the utility model one embodiment gasbag handle；

Fig. 3 is the sectional view of the utility model one embodiment gasbag handle；

Fig. 4 is the sectional view of another embodiment gasbag handle of the utility model；

Fig. 5 is the sectional view of another embodiment gasbag handle of the utility model；

Fig. 6 is the decomposing schematic representation of the utility model further embodiment gasbag handle；

Fig. 7 is the profile of the utility model further embodiment gasbag handle；

Fig. 8 is the profile of another embodiment gasbag handle of the utility model.

Reference：

Handle 10；

Shank body 11；

Gas passage 111；

Boss 112；

Gland 12；

Lid 121a, 121b；

Roof 1211a, 1211b；

Perisporium 1212a, 1212b；

Pressure surface A；

Snap ring 122b；

Air bag 20；

Utricule 201；

Neck 202；

Cylindrical section 2021；

Expanding section 2022；

Bearing surface B.

Realization, functional characteristics and the advantage of the utility model purpose will be described further referring to the drawings in conjunction with the embodiments.

Embodiment

Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning Same or similar element or element with same or like function are represented to same or similar label eventually.Below by ginseng The embodiment for examining accompanying drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model Limitation.

In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " suitable The orientation or position relationship of the instruction such as hour hands ", " counterclockwise " are based on orientation shown in the drawings or position relationship, merely to just Described in description the utility model with simplified, rather than indicate or imply that the device or element of meaning must be with specific sides Position, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.

In addition, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or Implicitly include one or more this feature.In description of the present utility model, " multiple " are meant that two or two More than, unless otherwise specifically defined.

In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, Ke Yishi The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood as the case may be Concrete meaning in the utility model.

Referring to figs. 1 to shown in Fig. 8, the utility model embodiment provides a kind of gasbag handle, including air bag 20 and handle 10。

Specifically, air bag 20 includes a neck 202 and the utricule 201 connected with the neck 202.That is, neck 202 connect with utricule 201, when being passed through gas from the opening of neck 202, and gas can enter to utricule by neck 202 In 201 so that the inflation of utricule 201.For example in Fig. 1 examples, neck 202 is integral type structure with utricule 201.

Handle 10 includes shank body 11 and gland 12, and the shank body 11 has the gas passage that the other end is through to from one end 111, and one end of the shank body 11 is formed with bearing surface a B, the bearing surface B and is formed around the cloth of gas passage 111 Put.That is, gas passage 111 is provided with along its axis direction in shank body 11, moreover, the two ends difference of gas passage 111 Through the two ends of shank body 11, meanwhile, the bearing surface B of wherein one end of shank body 11 forms annular around gas passage 111.

Gland 12 is assemblied in described one end of the shank body 11 with thread fiting mode, and the gland 12 has one axially to set The lead to the hole site, which is closed on, inside the through hole passed through suitable for the neck 202 and the gland 12 put is formed with a pressure surface A, The pressure surface A is formed around the through hole arrangement.For example shown in Fig. 1, gland 12 is coaxially disposed with shank body 11, and gland 12 can It is connected with the threaded one end with shank body 11, the neck 202 of air bag 20 can be stretched in gland 12 through the through hole on gland 12, Pressure surface A is located at the outside of the outer peripheral face of neck 202.

When the described one end of the screw lid of gland 12 together in the shank body 11, the pressure surface A is by the air bag 20 Neck 202 compress be fitted on the bearing surface B formed sealing so that the gas passage 111 is connected with the neck 202 It is logical.

That is, after the neck 202 of air bag 20 passes through the through hole on gland 12, the spiral of gland 12 is covered in handle During one end of body 11, pressure surface A and the neck 202 of air bag 20 outer peripheral face fit, and bearing surface B and air bag 20 neck 202 inner peripheral surface fits, formed sealing state, in this way, the neck 202 of air bag 20 be folded in gland 12 pressure surface A and Between the bearing surface B of shank body 11.Arranged because bearing surface B surround gas passage 111, and pressure surface A is circular leads to Hole arrangement, so, when pressure surface A and the neck 202 of air bag 20 outer peripheral face fit, the neck of bearing surface B and air bag 20 202 inner peripheral surface is fitted to be formed after sealing, and the gas passage 111 of shank body 11 can be connected with the neck 202 of air bag 20, and The neck 202 of air bag 20 is connected with air bag 20, then that is to say that gas passage 111 is connected with air bag 20.

It should be noted that through hole is passed through suitable for the neck 202 in the utility model, it can be understood as neck 202 Maximum gauge is slightly less than through hole, it is understood that be more than through hole for the maximum gauge of neck 202.Because air bag 20 is can bullet Property compression element, if the maximum gauge of neck 202 be more than through hole, by neck 202 pass through through hole when, can be first by neck 202 crimps, to be penetrated through hole in the state of being deformed.

It is that through hole is inserted into gland from gland 12 by the neck 202 of air bag 20 first in gasbag handle assembling process In 12, then the spiral of gland 12 covered in one end of shank body 11, now the neck 202 of air bag 20 is located just at bearing surface B and applied Between pressure surface A, in rotary gland 12, pressure surface A moves closer to the neck 202 of air bag 20, and forces the neck 202 of air bag 20 Close to bearing surface B, finally, the neck 202 of air bag 20 can be pressed on bearing surface B by pressure surface A, in this way, completing assembling, be led to Cross to be formed between air bag 20 and shank body 11 and be tightly connected, you can so that the gas passage 111 in shank body 11 is connected with air bag 20.

The gasbag handle provided according to the utility model, one end of shank body 11 is formed with a bearing surface B, and bearing surface B is formed Arranged to surround the gas passage 111；Gland 12 has an axially arranged through hole passed through suitable for the neck 202 and institute State to close on the lead to the hole site inside gland 12 and be formed with pressure surface an A, the pressure surface A and be formed around the through hole cloth Put, when the described one end of the screw lid of gland 12 together in the shank body 11, the pressure surface A is by the neck of the air bag 20 202 compressions, which are fitted on the bearing surface B, forms sealing, so that the gas passage 111 is connected with the neck 202.Such as This, in assembling, it is only necessary to the neck 202 of air bag 20 is passed through into the through hole on gland 12, then the screw thread of gland 12 is covered into shank body 11 one end is that the neck 202 that may be such that air bag 20 is glanded 12 pressure surface A and the bearing surface B compression laminating formation of shank body 11 Sealing, its is simple in construction, easy to assembly, and air-tightness is more preferable.

It should be noted that existing air bag 20 is to use latex material, process what is formed by impregnation technology, it is formed Wall unevenness it is even, inflation is uneven.Moreover, inflation is easily exploded when excessive, there is certain potential safety hazard.This Outside, its quality is softer, in the state of no inflation, it is difficult to keep solid shape, therefore, and in assembling, difficulty is big, it has not been convenient to.

In preferred embodiment of the present utility model, air bag 20 is silica gel material.Silica gel material makes the air bag 20 to be formed, Typically by injection molding, thereby it can be assured that its wall thickness is more uniform, and then it is more uniform to obtain expansion during inflation.Meanwhile, Due to the characteristic of silica gel, the problems such as it will not explode, it uses safer.In addition, quality is hard relative to latex, because This, can keep certain shape, simpler convenience during assembling.

Preferably, neck 202 includes the cylindrical section 2021 that is connected with utricule 201 and from described one end of cylindrical section 2021 Circumferentially extend the expanding section 2022 of formation laterally, the diameter of expanding section 2022 is more than the diameter of through hole, cylindrical section 2021 Diameter is slightly less than the diameter of through hole.When the described one end of the screw lid of gland 12 together in the shank body 11, the pressure surface A The expanding section 2022 is compressed to be fitted on the bearing surface B and forms sealing.So, it can be ensured that air bag 20 is filled with gland 12 With relatively reliable.Meanwhile, pressure surface A is easier to compress expanding section 2022 to be fitted in be formed on the bearing surface B to seal, and its is close Seal effect more preferable.

Referring to figs. 1 to shown in Fig. 5, in some embodiments of the present utility model, gland 12 is configured to a lid 121a, institute The perisporium 1212a that lid 121a is set including roof 1211a and around the roof 1211a is stated, the roof 1211a is formed with The through hole, and the inner surface of the roof 1211a constitutes the pressure surface A, the perisporium 1212a is formed with and the shank body The internal thread that 11 threaded one end coordinates.

That is, in the present embodiment, gland 12 is a lid 121a, with lid 121a roof 1211a's Inner surface is as pressure surface A, due to being provided with through hole on roof 1211a, so, pressure surface A is to be formed around through hole arrangement. In this way, when the neck 202 of air bag 20 is inserted into lid 121a from through hole, pressure surface A is then located at the neck 202 of air bag 20 On the outside of outer peripheral face.In addition, the internal thread of perisporium 1212a inner surface setting can just be with the one end of shank body 11 external screw thread screw thread Coordinate, in this way, its is simple in construction, assemble easy to assembly.

Favourable, shown in reference picture 3 to Fig. 5, in an example of the present utility model, described one end of shank body 11 is along institute The axial direction for stating shank body 11 is protruded to form a boss 112 run through by the gas passage 111, and the bearing surface B is formed at On the boss 112.When one end with boss 112 is threadedly coupled with lid 121a in shank body 11, boss 112 stretches to lid In body 121a, and with lid 121a rotation, boss 112 moves closer to the neck 202 of the air bag 20 in lid 121a, most Eventually, bearing surface B can fit with the neck 202 of air bag 20 and form sealing on boss 112.In the present embodiment, by shank body 11 Described one end formed boss 112, bearing surface B formation can be convenient to, and be convenient to bearing surface B and air bag 20 neck 202 compress laminating.

It is understood that can root as the bearing surface B on pressure surface A inner surface and boss 112 on roof 1211a According to needing to constitute different shape, as long as in ensuring that the neck 202 of air bag 20 can just be clamped in by pressure surface A and bearing surface B Between, and form sealing.

As shown in figure 3, in an example of the present utility model, the inner surface of the roof 1211a is plane, described convex Platform 112 is configured to cylinder, and the end face of the cylindrical boss 112 constitutes the bearing surface B.In this way, when lid 121a screw threads Cover at one end of shank body 11, the end face of boss 112 and lid 121a roof 1211a inner surface are just by air bag 20 Neck 202 is clamped in centre and forms sealing.

Preferably, when roof 1211a inner surface is plane, the expanding section 2022 of neck 202 is circle Annular, and the external diameter of the expanding section is more than the external diameter of the cylindrical section 2021, and then cause when lid 121a screw threads are covered During one end of shank body 11, the end face of boss 112 and lid 121a roof 1211a inner surface are just by the annular shape of air bag 20 Expanding section 2022 be clamped in middle and form sealing, its sealing effectiveness is more preferable.

As shown in Figure 4, Figure 5, in another example of the present utility model, roof 1211a inner surface is circular conical surface, institute State boss 112 and be configured to cone, the outer peripheral face of the conical boss 112 constitutes the bearing surface B.In this way, working as lid 121a screw threads are covered at one end of shank body 11, and the inner surface of the outer peripheral face of boss 112 and lid 121a roof 1211a is firm It is good that the neck 202 of air bag 20 is clamped in centre and sealing is formed.Moreover, contact area is bigger, sealing effectiveness is more preferable.

More favorably, when roof 1211a inner surface is circular conical surface, the expanding section 2022 is and the boss The cone that 112 shapes are adapted, and diameter of the minimum diameter more than or equal to the cylindrical section 2021 of expanding section 2022, such as This, and then cause when lid 121a screw threads are covered in one end of shank body 11, the outer peripheral face of boss 112 and lid 121a roof The circular expanding section 2022 of air bag 20 is just clamped in middle and forms sealing by 1211a inner surface, i.e., can be more preferable The outer peripheral face gluing, sealing with boss, its sealing effectiveness is more preferable.

Reference picture 6 is to shown in Fig. 8, in other embodiments of the present utility model, and gland 12 includes lid 121b and card Ring 122b.Wherein, lid 121b includes roof 1211b and the perisporium 1212b set around the roof 1211b, the roof 1211b is formed with the through hole, and the perisporium 1212b is formed with the interior spiral shell with the threaded one end cooperation of the shank body 11 Line.That is, lid 121b perisporium 1212b internal thread can coordinate with the external screw thread screw thread of the one end of shank body 11, and The neck 202 of air bag 20 can be stretched in lid 121b from the through hole on lid 121b roof 1211b.

Snap ring 122b is coaxially disposed in the lid 121b, and the snap ring 122b can be in the lid 121b along described Lid 121b axis is rotated, and the pressure surface A is formed with the snap ring 122b.When the neck 202 of air bag 20 passes through lid After through hole on body 121b, lid 121b spirals are covered at one end of shank body 11, lid 121b roof 1211b's is interior Surface and snap ring 122b end face are offseted, and with lid 121b rotation, snap ring 122b is gradually leaned on to one end of shank body 11 Closely, finally so that the outer peripheral face of pressure surface A and the neck 202 of air bag 20 on snap ring 122b fit, and supporting in shank body 11 Junction B and the neck 202 of air bag 20 inner peripheral surface fit, and form sealing state.

In the present embodiment, when handle 10 and air bag 20 are assembled, during rotating lid 121b, due to its internal card Ring 122b can be rotated against with lid 121b, so, lid 121b will not drive air bag 20 to rotate when rotating, and then ensure can During assembling, the damage that is caused to air bag 20 and due to air bag 20 rotate cause the problems such as being tightly connected unreliable.

Favourable, shown in reference picture 7 to Fig. 8, in an example of the present utility model, described one end of shank body 11 is along institute The axial direction for stating shank body 11 is protruded to form a boss 112 run through by the gas passage 111, and the bearing surface B is formed at On the boss 112.In this way, boss 112 be easier and snap ring 122b formation relative engagement relation, it is ensured that can air bag 20 neck On 202 boss 112 compressed by snap ring 122b, its sealing effectiveness is improved.

It is understood that the bearing surface B on pressure surface A and boss 112 on snap ring 122b can be constituted as needed Different shape, as long as ensuring that the neck 202 of air bag 20 can just be clamped in centre by pressure surface A and bearing surface B, and forms close Envelope.

As shown in fig. 7, in an example of the present utility model, snap ring 122b is hollow cylindrical, hollow cylindrical institute The end face for stating one end that snap ring 122b closes on the boss 112 constitutes the pressure surface A, and the boss 112 is cylinder, cylinder The end face that boss 112 described in shape closes on one end of the snap ring 122b constitutes the bearing surface B.In this way, when lid 121b screw threads Cover at one end of shank body 11, the neck 202 of air bag 20 is just clamped in by the end face of boss 112 with snap ring 122b end face Centre simultaneously forms sealing.

Preferably, when snap ring 122b is hollow cylindrical, the expanding section 2022 of neck 202 is annulus Shape, and the external diameter of the expanding section is more than the external diameter of the cylindrical section 2021, and then cause when lid 121a screw threads are covered in handle During one end of body 11, the end face of boss 112 just presss from both sides the circular expanding section 2022 of air bag 20 with snap ring 122b end face Hold in centre and form sealing, its sealing effectiveness is more preferable.

As shown in figure 8, in an example of the present utility model, snap ring 122b inner peripheral surface is circular conical surface, the circular cone Face constitutes the pressure surface A, and the boss 112 is cone, and the outer peripheral face of the conical boss 112 constitutes the bearing surface B.In this way, when lid 121b screw threads are covered in one end of shank body 11, the outer peripheral face of boss 112 and snap ring 122b inner peripheral surface The neck 202 of air bag 20 is just clamped in centre and sealing is formed.Moreover, contact area is bigger, sealing effectiveness is more preferable.

More favorably, when snap ring 122b inner peripheral surface is circular conical surface, the expanding section 2022 is and the boss 112 The cone that shape is adapted, and diameter of the minimum diameter more than or equal to the cylindrical section 2021 of expanding section 2022, in this way, And then cause when lid 121a screw threads are covered in one end of shank body 11, the outer peripheral face of boss 112 and snap ring 122b inner peripheral surface Just the circular expanding section 2022 of air bag 20 is clamped in middle and forms sealing, i.e., can preferably with boss 122 Outer peripheral face gluing, sealing, its sealing effectiveness is more preferable.

The utility model embodiment additionally provides a kind of childbirth instrument, with gasbag handle as described above.Specific air bag Handle is connected with the aerating device for instrument of giving a birth, to be inflated by aerating device as the air bag 20 on gasbag handle.

The childbirth instrument provided according to the utility model, with the gasbag handle as described in above-mentioned embodiment, the one of shank body 11 End is formed with a bearing surface B, and bearing surface B is formed around the gas passage 111 and arranged；Gland 12 is axially arranged with one The lead to the hole site is closed on inside the through hole and the gland 12 passed through suitable for the neck 202 and is formed with a pressure surface A, it is described Pressure surface A is formed around the through hole arrangement, when the described one end of the screw lid of gland 12 together in the shank body 11, institute State pressure surface A and the compression of neck 202 of the air bag 20 is fitted in formation sealing on the bearing surface B, so that the gas is logical Road 111 is connected with the neck 202.In this way, in assembling, it is only necessary to which the neck 202 of air bag 20 is passed through on gland 12 Through hole, then one end that the screw thread of gland 12 is covered into shank body 11 may be such that the neck 202 of air bag 20 be glanded 12 pressure surface A and The bearing surface B of shank body 11 compresses laminating and forms sealing, and its is simple in construction, easy to assembly, and air-tightness is more preferable.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means to combine specific features, structure, material or the spy that the embodiment or example are described Point is contained at least one embodiment of the present utility model or example.In this manual, to the schematic table of above-mentioned term State and be not necessarily referring to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be Combined in an appropriate manner in any one or more embodiments or example.

Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is not departing from the utility model Principle and objective in the case of above-described embodiment can be changed in the range of the utility model, change, replace and Modification.

Claims (10)

1. a kind of gasbag handle, it is characterised in that including：

Air bag, the air bag includes a neck and the utricule connected with the neck；

Handle, the handle includes shank body and gland, and the shank body has the gas passage that the other end is through to from one end, and institute The one end for stating shank body is formed with a bearing surface, and the bearing surface is formed around the gas passage arrangement；

The gland is assemblied in described one end of the shank body with thread fiting mode, and the gland has one axially arranged suitable The lead to the hole site is closed on inside the through hole and the gland passed through in the neck and is formed with a pressure surface, the pressure surface shape As around through hole arrangement, when the described one end of the gland screw lid together in the shank body, the pressure surface is by institute The neck compression for stating air bag is fitted in formation sealing on the bearing surface, so that the gas passage is connected with the neck.

2. gasbag handle according to claim 1, it is characterised in that the gland is configured to a lid, the lid bag Roof and the perisporium set around the roof are included, the roof is formed with the through hole, and the inner surface of the roof is constituted The pressure surface, the perisporium is formed with the internal thread with the threaded one end cooperation of the shank body.

3. gasbag handle according to claim 2, it is characterised in that axle of the described one end of the shank body along the shank body Protrude to form a boss run through by the gas passage to direction, the bearing surface is formed on the boss.

4. gasbag handle according to claim 3, it is characterised in that the inner surface of the roof is plane, the boss Cylinder is configured to, the end face of the cylindrical boss constitutes the bearing surface.

5. gasbag handle according to claim 3, it is characterised in that the inner surface of the roof is circular conical surface, described convex Platform is configured to cone, and the outer peripheral face of the conical boss constitutes the bearing surface.

6. gasbag handle according to claim 1, it is characterised in that the gland includes：

Lid, the lid includes roof and the perisporium set around the roof, and the roof is formed with the through hole, described Perisporium is formed with the internal thread with the threaded one end cooperation of the shank body；

Snap ring, the snap ring is coaxially disposed in the lid, the snap ring can in the lid along the lid axis Rotate, and the pressure surface is formed with the snap ring.

7. gasbag handle according to claim 6, it is characterised in that axle of the described one end of the shank body along the shank body Protrude to form a boss run through by the gas passage to direction, the bearing surface is formed on the boss.

8. gasbag handle according to claim 7, it is characterised in that the snap ring is hollow cylindrical, hollow cylindrical The end face that the snap ring closes on one end of the boss constitutes the pressure surface, and the boss is cylinder, and cylinder is described convex The end face that platform closes on one end of the snap ring constitutes the bearing surface.

9. gasbag handle according to claim 7, it is characterised in that the inner peripheral surface of the snap ring is circular conical surface, the circle The conical surface constitutes the pressure surface, and the boss is cone, and the outer peripheral face of the conical boss constitutes the bearing surface.

10. one kind childbirth instrument, it is characterised in that with gasbag handle as claimed in any one of claims 1-9 wherein.