CN216408126U

CN216408126U - Interface insert and quick gas connecting device

Info

Publication number: CN216408126U
Application number: CN202121570434.7U
Authority: CN
Inventors: 谢泽坚
Original assignee: Zhongshan Huizhong Haotong Plastic Technology Co ltd
Current assignee: Zhongshan Huizhong Haotong Plastic Technology Co ltd
Priority date: 2021-07-09
Filing date: 2021-07-09
Publication date: 2022-04-29
Anticipated expiration: 2031-07-09

Abstract

The interface insert comprises an insert body, a torsion-resistant part and a tension-resistant part, wherein the insert body is used for being embedded into a plastic part in injection molding, the torsion-resistant part is arranged on the insert body and used for limiting the insert body to rotate relative to the plastic part, and the tension-resistant part is arranged on the insert body and used for limiting the insert body to move relative to the plastic part along the axial direction. The utility model also provides a quick air connection device. The utility model provides an interface insert which comprises an insert body, a torsion-resistant part and a tension-resistant part, wherein the insert body is used for being embedded into a plastic part in injection molding, the torsion-resistant part is arranged on the insert body and used for limiting the insert body to rotate relative to the plastic part, and the tension-resistant part is arranged on the insert body and used for limiting the insert body to move relative to the plastic part along the axial direction. Through set up twisting resistance portion and stretching resistance portion on the mold insert body for the interface mold insert is at the in-process of using, can not rotate or pull out along with the power that receives when the access, strengthens the joint strength of mold insert body and plastic.

Description

Interface insert and quick gas connecting device

[ technical field ] A method for producing a semiconductor device

The utility model relates to the technical field of interfaces, in particular to an interface insert and a quick air-connecting device.

[ background of the utility model ]

At present, electricity-proof walls, water heaters, gas connecting devices and the like all need to use interface connecting pipelines, traditional interfaces are integrally formed by plastic, but the plastic interfaces are easy to slip and crack. Later, in order to strengthen the strength of the interface, an alloy interface is adopted, but the whole alloy has high manufacturing cost and is inconvenient to produce and manufacture, and the mode of embedding the alloy interface in plastic is widely applied due to lower cost and low production and manufacture difficulty. However, in this method, the connection between the alloy joint and the plastic part is not firm, and the alloy joint is easy to rotate or pull out during use.

[ Utility model ] content

The utility model solves the technical problem of insecure connection between the alloy interface and the plastic, and provides the interface insert which is simple in structure and reasonable in design.

The utility model is realized by the following technical scheme:

the interface mold insert comprises a mold insert body, a torsion-resistant portion and a tension-resistant portion, wherein the mold insert body is used for being embedded into a plastic part in injection molding, the torsion-resistant portion is arranged on the mold insert body and used for limiting the mold insert body to rotate relative to the plastic part, and the tension-resistant portion is arranged on the mold insert body and used for limiting the mold insert body to move relative to the plastic part along the axial direction.

The interface insert comprises an insert body, wherein the insert body is provided with threads, and the insert body comprises an access end corresponding to the threaded inlet, a connecting end opposite to the access end and a force applying part wrapped by plastic.

The interface insert as described above, the insert body is cylindrical, the thread includes an external thread provided on the outer sidewall of the insert body, the inner sidewall of the insert body is the force exerting portion, the tensile force resisting portion is provided on the force exerting portion, and the torsion resisting portion is provided on the connecting end.

As above or said interface insert, said torsion resistant portion comprises a plurality of protrusions spaced apart and extending outwardly along the axis of said insert body.

The interface insert as described above or in which the stretch resistant portion comprises a cavity provided in an interior side wall of the insert body.

The concave cavity is concavely arranged on the inner side wall of the insert body in a threaded manner.

The interface insert as described above, the insert body is cylindrical, the thread includes an internal thread disposed on the inner sidewall of the insert body, the outer sidewall of the insert body is the force-exerting portion, and the torsion-resistant portion and the tensile-resistant portion are both disposed on the force-exerting portion.

The interface insert as described above or in which the tensile resistant portion comprises a plurality of collars spaced around an outer sidewall of the insert body.

As described above, the torsion-resistant portion includes a plurality of teeth disposed on the raised ring, and the teeth extend along the axial direction of the insert body.

The utility model also discloses a quick air connecting device which comprises the interface insert.

Compared with the prior art, the utility model has the following advantages:

the utility model provides an interface insert which comprises an insert body, a torsion-resistant part and a tension-resistant part, wherein the insert body is used for being embedded into a plastic part in injection molding, the torsion-resistant part is arranged on the insert body and used for limiting the insert body to rotate relative to the plastic part, and the tension-resistant part is arranged on the insert body and used for limiting the insert body to move relative to the plastic part along the axial direction. Through set up twisting resistance portion and stretching resistance portion on the mold insert body for the interface mold insert is at the in-process of using, can not rotate or pull out along with the power that receives when the access, strengthens the joint strength of mold insert body and plastic.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a first schematic structural view of a quick air-connecting device;

FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;

FIG. 3 is an enlarged view at B of FIG. 2;

FIG. 4 is a schematic structural view of a quick air-connect valve core;

FIG. 5 is an exploded view of the quick air connector cartridge;

FIG. 6 is a schematic view of a quick air connector;

FIG. 7 is a half-sectional view of FIG. 6;

FIG. 8 is an exploded view of the quick air connector;

FIG. 9 is a cross-sectional view of the quick gas connector plug installed in the quick gas connection;

FIG. 10 is a schematic structural view II of the quick air-connecting device;

FIG. 11 is a third schematic structural view of the quick release mechanism;

FIG. 12 is a fourth schematic view of the structure of the quick air-connecting device;

FIG. 13 is a first schematic view of the interface insert;

fig. 14 is a schematic structural view ii of the interface insert.

[ detailed description ] embodiments

In order to make the technical solutions and the advantages of the technical problems solved by the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

When embodiments of the present invention refer to the ordinal numbers "first", "second", etc., it should be understood that the terms are used for distinguishing only when they do express the ordinal order in context.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The quick air-breathing device comprises an air-breathing device body 1, wherein an air inlet 2 used for being connected with an air source is arranged on the air-breathing device body 1, at least one air outlet 3 communicated with the air inlet 2 is arranged, and a connecting mechanism 4 which is arranged on the air outlet 3 and is detachably connected with an air plug is arranged, the connecting mechanism 4 comprises a locking component 41 which is connected with the air plug when the air plug is inserted so as to keep a locking state or unlock the air plug, and a half-locking component 42 which is used for keeping the locking component 41 in a half-locking state when the air plug is separated.

The embodiment of the utility model provides a quick air connection device, wherein a half-locking assembly is arranged in a connecting mechanism, so that the locking assembly can be in a half-locking state, when an air pipe plug is inserted, the air pipe plug can be easily inserted when the air pipe plug is used only by overcoming the resistance of the locking assembly in the switching from the half-locking state to the locking state, and the effects of quickly adding the air pipe plug and improving the working efficiency are achieved. When the air pipe plug needs to be pulled out, the air pipe plug can be pulled out quickly only by overcoming the resistance of the locking assembly in switching from the locking state to the semi-locking state. Can solve traditional gas and connect the device when inserting the trachea plug, need suddenly change locking Assembly from the unblock state to the locking state just can insert, lead to trachea plug male resistance great, the not convenient to use's problem to and when solving the trachea plug and extracting from gas device, receive the hindrance of atmospheric pressure and locking Assembly at the trachea plug, be difficult to the problem of extracting.

Further, as a preferred embodiment of the present invention, but not limited thereto, the connecting mechanism 4 includes a connecting tube 43, and the locking assembly 41 includes an unlocking member 44 sleeved on the connecting tube 43, a locking member 45 disposed between the unlocking member 44 and the connecting tube 43, and a locking spring 46, wherein the locking spring 46 presses against the unlocking member 44, so that the unlocking member 44 keeps pressing the locking member 45 toward the direction of entering the inner cavity of the connecting tube 43. In this embodiment, the locking piece is a steel ball. The locking spring is pressed against the unlocking piece, and the unlocking piece is pressed against the locking piece, so that the steel balls are extruded in the direction of entering the inner cavity of the connecting pipe.

Further, as a preferred embodiment of the present invention, and not by way of limitation, the half locking assembly 42 includes a half locking member 421 disposed in the inner cavity of the connecting tube 43 and sliding relative to the connecting tube 43, and the half locking member 421 is used for limiting the locking member 45 from being squeezed into the inner cavity of the connecting tube 43. When the half locking piece limits the locking piece to be extruded into the inner cavity of the connecting pipe, the half locking piece offsets partial jacking force of the locking spring, so that the quick pneumatic connector can be inserted more easily.

Further, as a preferred embodiment of the present invention, but not limited thereto, the connection mechanism 4 further includes a quick air valve core 5 disposed in the connection pipe 43. When the air source is connected with the air inlet, the quick air plug is inserted into the connecting pipe, so that the jacking force of the locking spring is overcome, the resistance of the air source to the insertion of the quick air plug is also overcome, namely the jacking force of air pressure on the quick air plug is also overcome, the quick air plug valve core can be quickly conducted to release the pressure, the quick air plug can release the pressure by using a short stroke, and the quick air plug can be inserted into the connecting pipe more easily.

Further, as a preferred embodiment of the present invention, but not limited thereto, a sealing gasket 422 is disposed in the half-locking member 421, and the quick air-connecting valve element 5 is respectively pressed against the sealing gasket 422 and the air outlet 3 for sealing engagement, so that the half-locking member 421 is kept pressed in a direction of limiting the pressing of the locking member 45.

Further, as a preferred embodiment of the present invention, but not limited thereto, when the connection tube 43 is inserted into the air inlet plug, the half-locking member 421 is pressed by the air inlet plug to release the limitation on the locking member 45, so that the unlocking member 44 presses the locking member 45 against the air inlet plug to lock the air inlet plug; when the air plug is inserted into the connecting pipe, the half locking piece is pressed and moved to be separated from the limit of the locking piece, and the locking piece can lock the air plug.

When the unlocking member 44 unlocks the gas plug, the quick gas plug 5 ejects the gas plug through the half-locking member 421, and pushes the locking member 45 out of the inner cavity of the connecting pipe 43. The quick gas connects the case and pushes up half locking piece, and once locking assembly removed the locking of gas plug, half locking piece restricted locking piece immediately to the next time of inserting of gas plug is convenient for.

Further, as a preferred embodiment of the present invention, but not limited thereto, the unlocking member 44 is provided with a pressing portion 441, a half pressing portion 442, and an unlocking portion 443, which are sequentially connected in a direction in which the locking spring 46 presses the unlocking member 44, wherein when the pressing portion 441 presses the locking member 45, the locking member 45 is pressed into the inner cavity of the connection pipe 43, and the unlocking portion 443 allows the locking member 45 to be pressed out of the inner cavity of the connection pipe 43. The unlocking part gives the locking part a space for extruding the inner cavity of the connecting pipe.

Further, as a preferred embodiment of the present invention, but not limited thereto, the outer diameter of the half pressing portion 442 gradually increases from the pressing portion 441 toward the unlocking portion 443, and when the half locking member 421 restricts the pressing of the locking member 45 into the inner cavity of the connecting pipe 43, the half pressing portion 442 presses against the locking member 45. The half pressing part presses against the locking part, so that the locking part can easily enter the unlocking part and the pressing part to be unlocked or locked.

Further, as a preferred embodiment of the present invention, but not limited thereto, the connecting tube 43 is provided with a tube opening limiting assembly 6 for limiting the unlocking piece 44 from coming off the connecting tube 43 when the locking assembly 41 is in the locked state.

Further, as a preferred embodiment of the present invention but not limited thereto, the nozzle stop assembly 6 includes a stop ring 61 clamped on the end of the connection tube 43, and a stop collar 62 clamped and matched with the stop ring 61, wherein the stop ring 61 is located at the end of the stop collar 62 and the end of the connection tube 43 to limit the relative movement therebetween. The installation mode is simple and firm.

Further, as a preferred embodiment of the present invention, but not limited thereto, as shown in fig. 1, the air inlet is provided with an inner thread integrally formed with the quick air connecting device body. As shown in fig. 11, the air inlet is provided with external teeth integrally formed with the quick air-connecting device body. As shown in fig. 10, 12 to 14, the mouthpiece insert 8 is provided on the air inlet, which is advantageous for improving the connection strength and preventing tooth slippage. Fig. 10 and 14 show an internally threaded interface insert, and fig. 11 and 13 show an externally threaded interface insert. Is favorable for improving the connection strength and preventing the tooth from sliding.

Further, as a preferred embodiment of the present solution, but not limited thereto, the gas inlet 2 is further provided with a connecting pipe end 73. The quick air-connecting device is designed to be single-pass.

Further, as a preferred embodiment of the present invention, but not limited thereto, the connecting pipe end 73 is provided with an air pipe sleeve.

The utility model also discloses a quick air-connecting valve core, which comprises a valve plug 51, a valve plug sleeve 52, an elastic piece 53 and a first sealing piece 54, wherein the valve plug sleeve 52 is sleeved on the valve plug 51 and slides relative to the valve plug 51, the elastic piece 53 is respectively pressed on the valve plug 51 and the valve plug sleeve 52, the first sealing piece 54 is arranged on the valve plug 51, the valve plug 51 is provided with an air guide channel 55 for conducting two ends of the valve plug, and the first sealing piece 54 is used for limiting the valve plug 51 to be separated from the valve plug sleeve 52 when being pressed by the elastic piece 53 and keeping the air guide channel 55 closed.

The embodiment of the utility model provides a quick air connection valve core, when a valve plug is jacked, and a first sealing element on the valve plug is separated from a valve plug sleeve, an air guide channel is communicated, so that air can pass through the air guide channel, and therefore when an air connection plug is inserted, pressure can be quickly released, and the air connection plug can be inserted without excessively overcoming the resistance of air pressure. Similarly, when the air plug needs to be pulled out, the pressure can be quickly released, and the air plug can be pulled out without overcoming the resistance of air pressure too much.

Further, as a preferred embodiment of the present invention, but not limited thereto, the end of the valve plug 51 is provided with a first locking groove 511 for the first sealing element 54 to partially lock, and the first sealing element 54 protrudes from the first locking groove 511 to partially press against the end of the valve plug sleeve 52 to close the gap between the valve plug 51 and the valve plug sleeve 52.

Further, as a preferred embodiment of the present invention but not limited thereto, the plug 51 includes a plug body 512, and the air guide channel 55 includes a hollow duct 551 communicating one end of the plug body 512 with the inside of the plug body 512, and a side hole 552 provided on a side wall of the other end of the plug body 512 and communicating with the hollow duct 551.

Further, as a preferred embodiment of the present invention, but not limited thereto, the plug sleeve 52 includes a sleeve 521 for inserting the valve plug 51, and when the first sealing member 54 limits the valve plug 51 from being pressed out of the plug sleeve 52 by the elastic member 53, the sleeve 521 is located at the periphery of the side hole 552 and blocks the side hole 552.

Further, as a preferred embodiment of the present invention, but not limited thereto, a second sealing element 56 is disposed on the outer periphery of the valve plug 51, the second sealing element 56 and the sealing element are respectively located on two sides of the side hole 552, and the second sealing element 56 is kept located between the valve plug 51 and the sleeve body 521 when the valve plug 51 slides relative to the valve plug sleeve 52.

Further, as a preferred embodiment of the present disclosure, but not limiting thereto, a plurality of the side holes 552 are distributed around the outer circumference of the plug body 512.

Further, as a preferred embodiment of the present invention, but not limited thereto, the valve plug body 512 is provided with a second locking groove 513 for partially locking the second sealing element 56, and the second locking groove 513 and the inner wall of the sleeve 521 compress the second sealing element 56 so as to close the gap between the valve plug body 512 and the sleeve 521.

Further, as a preferred embodiment of the present invention, but not limited thereto, a first locking groove 511 is provided at an end of the valve plug 51, into which the first sealing member 54 is partially locked, a connecting portion 514 is provided between the first locking groove 511 and the side hole 552, and the connecting portion 514 and the side hole 552 are sequentially exposed from the sleeve 521 when the elastic member 53 is compressed, so that the side hole 552 and the hollow pipe 551 are respectively located at two sides of the valve plug 52 to conduct two sides of the valve plug 52.

Further, as a preferred embodiment of the present invention, but not limited thereto, the plug sleeve 52 includes a plug sleeve pressing portion 522 disposed on the periphery of the plug sleeve 52 for pressing the elastic member 53, and a plug sleeve sealing member 523 disposed around the periphery of the plug sleeve 52, wherein the elastic member 53 and the plug sleeve sealing member 523 are disposed on two sides of the plug sleeve pressing portion 522 respectively.

Further, as a preferred embodiment of the present disclosure, but not limited thereto, an end of the valve plug 51 away from the first sealing element 54 is provided with a valve plug pressing portion 515 for forming a sealing engagement when the elastic element 53 presses.

The utility model also discloses a quick air plug which comprises a plug body 71, a plugging end 72 arranged on one end part of the plug body 71, a connecting pipe end 73 arranged on the other end part of the plug body 71, and an air pipe sleeve 74 which is used for being matched with the connecting pipe end 73 to fixedly connect an air pipe.

The embodiment of the utility model also discloses a quick air plug which can fixedly connect the air pipe through the matching of the air pipe sleeve and the connecting pipe end.

Further, as a preferred embodiment of the present invention, but not limited thereto, the insertion end 72 includes a straight portion 721, an inclined portion 722, and a clamping portion 723, which are sequentially arranged toward the insertion end 73.

Further, as a preferred embodiment of the present invention, but not limited thereto, the outside diameter of the inclined portion 722 gradually increases from the insertion end 72 toward the connection end 73.

Further, as a preferred embodiment of the present invention, but not limited thereto, the fastening portion 723 includes a fastening groove 7231 recessed on the insertion end 72, and a stopper portion 7232 connected to the inclined portion 722, and an outer diameter of the stopper portion 7232 is constant after gradually increasing from the fastening groove 7231 toward the inclined portion 722.

Further, as a preferred embodiment of the present invention, but not limited thereto, the clamping portion 723 further includes a buffer portion 7233 connected to the plug body 71, and an outer diameter of the buffer portion 7233 is kept constant after gradually increasing from the clamping groove 7231 toward the plug body 71.

Further, as a preferred embodiment of the present invention, but not limited thereto, the plugging end 72 is further provided with a plugging recess 724 for keeping the two in a sealed connection when the quick air plugging is performed.

Further, as a preferred embodiment of the present invention, but not limited thereto, the tracheal tube 74 is provided with a tracheal tube interface 741 for the tracheal tube 73 to pass through, and an inner wall of the tracheal tube interface 741 presses the tracheal tube against the tracheal tube 73 to keep a seal between the tracheal tube and the tracheal tube 73.

Further, as a preferred embodiment of the present invention, but not limited thereto, the air tube sleeve 74 is in threaded fit with the plug body 71, the connecting tube end 73 is provided with an air tube bevel 731 which gradually increases in the direction of inserting the air tube sleeve 74, and a gap between the air tube bevel 731 and the air tube interface 741 gradually decreases as the depth of screwing the air tube sleeve 74 into the plug body 71 increases.

Further, as a preferred embodiment of the present invention, but not limited thereto, the nipple end 73 includes a nipple end body 732 connected to the plug body 71, and the trachea bevel 731 protrudes from the nipple end body 732 to form an inverted step 733 therebetween.

Further, as a preferred embodiment of the present invention, but not limited thereto, the air tube housing 74 is provided with an air tube cavity 742 for receiving an air tube fitted over the connection tube end body 732 when the air tube housing 74 is screw-fitted to the plug body 71.

The utility model also discloses an interface insert which comprises an insert body 81, a torsion resistant part 82 and a tension resistant part 83, wherein the insert body 81 is used for being embedded into a plastic part in injection molding, the torsion resistant part 82 is arranged on the insert body 81 and used for limiting the insert body to rotate relative to the plastic part, and the tension resistant part 83 is arranged on the insert body 81 and used for limiting the insert body to move relative to the plastic part along the axial direction.

The embodiment of the utility model provides an interface insert, which comprises an insert body, a torsion-resistant part and a tension-resistant part, wherein the insert body is used for being embedded into a plastic part in injection molding, the torsion-resistant part is arranged on the insert body and is used for limiting the insert body to rotate relative to the plastic part, and the tension-resistant part is arranged on the insert body and is used for limiting the insert body to move relative to the plastic part along the axial direction. Through set up twisting resistance portion and stretching resistance portion on the mold insert body for the interface mold insert is at the in-process of using, can not rotate or pull out along with the power that receives when the access, strengthens the joint strength of mold insert body and plastic.

Further, as a preferred embodiment of the present invention, but not limited thereto, the insert body 81 is provided with a thread 84, and the insert body 81 includes an insertion end 811 corresponding to a screwing port of the thread 84, a connection end 812 opposite to the insertion end 811, and a force applying portion 813 for being wrapped with plastic. The interface insert in this embodiment is connected with the external joint in a thread fit manner. The mold insert body is provided with two ends, one end is an access end connected with the external joint, and the other end is a connecting end connected with the plastic.

Further, as a preferred embodiment of the present invention, but not limited thereto, the insert body 81 is cylindrical, the thread 84 includes an external thread 841 provided on an outer side wall of the insert body 81, an inner side wall of the insert body 81 is the force applying portion 813, the tension resisting portion 83 is provided on the force applying portion 813, and the torsion resisting portion 82 is provided on the connecting end 812. The plastic is filled on the inner side wall of the insert body, so that the inner side wall of the insert body is used as a force application part.

Further, as a preferred embodiment of the present invention, but not limited thereto, the torsion-resisting portion 82 includes a plurality of protrusions 821 spaced apart and extending outward along the axis of the insert body 81. The lug encircles the link and sets up. The gaps between the lugs are used for plastic to be embedded, and an acting point for resisting torsion is provided. So that the insert body will not rotate relative to the plastic when the external interface is screwed into the access end,

further, as a preferred embodiment of the present invention, but not limited thereto, the tensile resisting portion 83 includes a cavity 831 formed on an inner side wall of the insert body 81. The concave cavity is used for embedding the plastic and limits the movement of the insert body relative to the plastic along the axis direction.

Further, as a preferred embodiment of the present invention, but not limited thereto, the cavity 831 is recessed on the inner side wall of the insert body 81 in a threaded manner. The concave part of the threaded concave cavity corresponds to the convex part of the external thread. The cavity extends circumferentially, effectively providing a cross-section that blocks axial movement of the insert body.

Further, as a preferred embodiment of the present invention, but not limited thereto, the insert body 81 is cylindrical, the thread 84 includes an internal thread 842 provided on an inner wall of the insert body 81, an outer wall of the insert body 81 is the force-applying portion 813, and the torsion-resisting portion 82 and the tension-resisting portion 83 are both provided on the force-applying portion 813. The plastic parcel is on the lateral wall of mold insert body.

Further, as a preferred embodiment of the present solution and not by way of limitation, the tensile resistant portion 83 includes a plurality of convex rings 832 spaced around the outer sidewall of the insert body 81. The bulge loop is protruded from the outer side wall of the insert body, and a cross section for blocking the axial movement of the insert body is effectively provided.

Further, as a preferred embodiment of the present invention, but not limited thereto, the torsion-resisting portion 82 includes a plurality of teeth 822 provided on the convex ring 832, and the teeth 822 extend in the axial direction of the insert body 81. The plastic is wrapped on the convex teeth, so that the convex teeth are difficult to rotate relative to the plastic.

The working principle of the embodiment is as follows:

The embodiment of the utility model also discloses an interface insert, which comprises an insert body, a torsion-resistant part and a tension-resistant part, wherein the insert body is used for being embedded into the plastic part in the injection molding process, the torsion-resistant part is arranged on the insert body and is used for limiting the insert body to rotate relative to the plastic part, and the tension-resistant part is arranged on the insert body and is used for limiting the insert body to move relative to the plastic part along the axial direction. Through set up twisting resistance portion and stretching resistance portion on the mold insert body for the interface mold insert is at the in-process of using, can not rotate or pull out along with the power that receives when the access, strengthens the joint strength of mold insert body and plastic.

The foregoing is illustrative of embodiments provided in connection with the detailed description and is not intended to limit the disclosure to the particular forms set forth herein. Similar to the structure of the method, or several technical deductions or substitutions made on the premise of the conception of the present application, should be regarded as the protection scope of the present application.

Claims

1. Interface mold insert, its characterized in that: the plastic part injection molding mold comprises an insert body (81) used for being embedded into a plastic part in injection molding, a torsion resisting part (82) arranged on the insert body (81) and used for limiting the insert body to rotate relative to the plastic part, and a tension resisting part (83) arranged on the insert body (81) and used for limiting the insert body to move relative to the plastic part along the axial direction.

2. The interface insert according to claim 1, wherein: the insert comprises an insert body (81), wherein the insert body (81) is provided with a thread (84), the insert body (81) comprises an access end (811) corresponding to a screwing port of the thread (84), a connecting end (812) opposite to the access end (811), and a force applying part (813) wrapped by plastic.

3. The interface insert according to claim 2, wherein: the insert is characterized in that the insert body (81) is cylindrical, the thread (84) comprises an outer thread (841) arranged on the outer side wall of the insert body (81), the inner side wall of the insert body (81) is the force applying part (813), the tensile resisting part (83) is arranged on the force applying part (813), and the torsion resisting part (82) is arranged on the connecting end (812).

4. The interface insert according to claim 1 or 3, wherein: the torsion resistant portion (82) comprises a plurality of protrusions (821) which are arranged at intervals and extend outwards along the axis of the insert body (81).

5. The interface insert according to claim 1 or 3, wherein: the tensile resistant portion (83) comprises a cavity (831) formed in the inner side wall of the insert body (81).

6. The interface insert according to claim 5, wherein: the concave cavity (831) is concavely arranged on the inner side wall of the insert body (81) in a thread shape.

7. The interface insert according to claim 2, wherein: the insert is characterized in that the insert body (81) is cylindrical, the thread (84) comprises an internal thread (842) arranged on the inner side wall of the insert body (81), the outer side wall of the insert body (81) is the force applying part (813), and the torsion resisting part (82) and the tensile resisting part (83) are arranged on the force applying part (813).

8. The interface insert according to claim 1 or 7, wherein: the tensile portion (83) includes a plurality of collars (832) spaced around an exterior sidewall of the insert body (81).

9. The interface insert according to claim 8, wherein: the torsion resistant portion (82) comprises a plurality of convex teeth (822) arranged on the convex ring (832), and the convex teeth (822) extend along the axial direction of the insert body (81).

10. Quick pneumatics device, its characterized in that: comprising the interface insert according to any one of claims 1 to 9.