CN207005514U - Pipe connection structure - Google Patents

Abstract

It the utility model is related to a kind of pipe connection structure, including the first body provided with insertion section, the second body provided with holding section and the connection member for being removably mounted to first body and second body periphery.The insertion section of first body is connected with the holding section of second body, and is fixed by the connection member；Removal, the fractionation of achievable first body and the second body from the first body and the second body after fixation by the connection member.Thus the utility model can ensure the fastness connected between each body while convenience for construction is improved, difficult for drop-off, improve security, while the dismounting being also convenient between each body.

Description

Pipe connection structure

Technical field

It the utility model is related to a kind of pipe connection structure.

Background technology

It is well known that the connection between body in drainage piping, remote operated drainage bolt, except passing through profit Outside this mode that connection is realized with adhesive agent, connection is realized in a manner of screw thread is tightened also by using sark.

In addition, the pipe connection structure as described in the Japanese Laid-Open file of Publication No. JP 2004-278001, is Connection between each body is realized by this mode of body of the body insertion with the portion that is inserted into insertion section 's.Specifically, it is by way of engaging and rotationally between the body with insertion section and the body with the portion that is inserted into Link together, and one is hold between the inner peripheral surface of the outer peripheral face of the body with insertion section and the body with the portion that is inserted into Ring liner thing, both realize that watertight connects by the ring liner thing.

Thus, the pipe connection structure in file disclosed above is realized by the way that the body with insertion section is inserted into band There is a connection that can be completed in the body in the portion of being inserted between the two, for the mode tightened with respect to screw thread, eliminate Operation is screwed up, it also avoid, because the dangerous phenomenon that thread looseness or loosened screw cause body to skid or even slide occurs, having More advantages.

But the pipe connection structure of file disclosed above remains a problem, that is, due to passing through the body Attachment structure realize connection after each body between connect too closely, then each body once connect after, it is necessary to release each body Between connection when, solution division operation can become difficult.In addition, when the pipe that the body insertion with insertion section is carried to the portion that is inserted into During body, it is difficult to determine to be inserted into it is where proper, in such event, if being not inserted into suitable position during construction, It is likely to cause the accident, therefore, area for improvement is wherein still present.

Utility model content

A kind of pipe connection structure is provided to solve the shortcomings that above-mentioned prior art and deficiency, the utility model, can While convenience for construction is improved, ensure the fastness connected between each body, it is difficult for drop-off, security is improved, while Facilitate the dismounting between each body.

A kind of pipe connection structure, including the first body provided with insertion section, the second body, Yi Jike provided with holding section Remove and install the connection member in first body and second body periphery；

The insertion section of first body is connected with the holding section of second body, and is consolidated by the connection member It is fixed；By the connection member, removal, achievable first body and second are managed from the first body and the second body after fixation The fractionation of body.

From there through above-mentioned technical proposal, pipe connection structure of the present utility model can improve the same of convenience for construction When, ensure the fastness connected between each body, it is difficult for drop-off, security is improved, while be also convenient for tearing open between each body Remove.

Further, the connection member side offers opening, and the connection member is installed on first by the opening Body and/or the second body, realize being fixedly connected between body, and can be realized by the opening from the first body after fixation and Removal on second body, realize the separable operation between body.

Further, the peripheral one week periphery in the insertion section of first body protrudes to form one second flange；Second pipe The opposite sides of the peripheral side face of the holding section of body offers makes a slit or vent portion through the two of holding section wall；The connection member includes Ring body and claw with cavity；The side of the ring body is the opening connected with its cavity, and the claw is included by institute State ring body opposite end end inner circumferential and extend protrusion the first claw of formation and the second claw toward ring body cavity center direction；Described After the insertion section of one body is partially inserted into the holding section of second body, institute is socketed on by the ring body of the connection member The periphery of the first body and the second body is stated, and is accepted by second flange by the first claw and the second claw and described two Make a slit or vent portion's clamping, realize being fixedly connected between the first body and the second body.Here by the portion that makes a slit or vent set using insertion Engage with junction surface, compared to the portion that makes a slit or vent for having no through setting, the wall width in the portion that can be made a slit or vent with constriction and link position Width, so as to form greater compactness of connecting structure.

Further, the insertion section periphery of first body is additionally provided with the first flange；First flange and described second Flange is setting up and down；First claw is connected between first flange and the second flange, and the top of first claw End end face is covered by first flange, and the bottom end face of second claw is covered by each portion that makes a slit or vent.By limiting herein It is fixed, the first claw and the second claw are covered respectively using the first flange and each portion that makes a slit or vent, form the first claw of protection With the structure of the second claw, be thus advantageous to be further ensured that the stabilization that connection member is installed on the first body and the second body Property, preferably avoid because connection member by outside impulsive force is influenceed and obscission generation.Can also be from another angle From the point of view of degree, it is also assumed that connection member is to protect this from the lower section of the first flange of insertion section to the portion that makes a slit or vent of holding section Part, so as to avoid this part by external impact.

Further, the holding section is additionally provided with an at least columnar part；The columnar part is by realizing that described two open in holding section The connecting portion that the wherein one end in vent in the sides of a garment portion is connected with each other is formed, and the top of the columnar part is protruding upward and opened higher than described two Vent in the sides of a garment portion；After the connection member is installed on the first body and/or the second body periphery, its opening is covered by the columnar part.It is logical Cross and limit herein, further claw is fixed, namely the opening of connection member is filled with using columnar part, can prevent because Mistake touches junction surface and causes connection situation about being released to occur, and is advantageous to further enhance firm after connection member installation Property.

Further, the periphery of the insertion section, which is provided with, is used to judge whether insertion section inserts identifying body in place.Pass through this Place limits, and realizing can confirm whether connection is correct, and user can be allowed intuitively to judge whether to insert insertion section by estimating Enter in place, to be further ensured that the fastness connected between the first body and the second body.

Further, an at least body is provided with and is used to prevent the connecting portion in first body and second body The anti-error interpolating unit of part installation dislocation；When connection member is inserted into the positional fault of the first body and/or the second body periphery, institute Stating connection member can be stopped by the anti-error interpolating unit and connection member can not be fully mounted to the first body and/or the second pipe Body.By setting herein, can prevent connection member mistake or connection it is improper situations such as occur.

Further, the opening of the connection member is provided with guiding parts；The guiding parts by connection member opening Upper end, middle part and the bottom of relative two medial surfaces protrude to be formed towards opening center；When connection member is inserted into the first pipe When body and/or the positional fault of the second body periphery, the guiding parts can be stopped by the anti-error interpolating unit and make connection member The first body and/or the second body can not be fully mounted to.By the guiding parts set up herein, be advantageous to the further company of preventing Situations such as relay part mistake or improper connection, occurs, and more easily guiding connection member is correctly installed.

Further, the insertion section periphery is provided with water sealing part；And/or the holding section is provided with docking section, the docking Portion is gradually reduced along lower section direction by the lower end inner circumferential internal diameter of the holding section and formed.By limiting herein, by water sealing part, The preliminary relatively stable connection of insertion section and holding section is realized, when connection member is fitted without, ensures the One body and the second body can be also connected with each other without separating substantially；By docking section, be advantageous to further enhance the first body And the second connection between body, and also the insertion position of insertion section is carried out it is spacing, avoid inserted it is shallow caused by Structural instability phenomenon occurs.

Further, the lower end surface of first flange is the spacing conical surface for preventing connection member to be mistakenly inserted.Pass through Limit herein, be advantageous to further avoid the setup error of connection member.

In order to more fully understand and implement, the utility model is described in detail below in conjunction with the accompanying drawings.

Brief description of the drawings

Fig. 1 is the decomposition texture schematic diagram of the utility model pipe connection structure；

Fig. 2 is the first body in the utility model pipe connection structure and the structural representation after the completion of the connection of the second body Figure；

Fig. 3 is the A-A ' cross section structure diagrams of the pipe connection structure shown in Fig. 2；

Fig. 4 is the B-B ' cross section structure diagrams of the pipe connection structure shown in Fig. 3；

Fig. 5 be pipe connection structure of the present utility model the one of which order of connection in connection member prepare to be installed on the Facad structure view when on the holding section of two bodys；

Fig. 6 is that state when being ready for insertion into the insertion section of the first body is shown after the connection member in Fig. 5 is arranged on holding section It is intended to；

Fig. 7 a are the insertion process schematic diagrames in the insertion section insertion connection member and holding section of the first body in Fig. 6；

Fig. 7 b are the views when insertion section in Fig. 7 a is inserted into position appropriate in holding section；

Fig. 8 is that the insertion section of the first body in another order of connection of pipe connection structure of the present utility model prepares Insert Facad structure view when in the holding section of the second body；

Fig. 9 a are the views that insertion section in Fig. 8 is inserted into holding section upper section；

Fig. 9 b are the views when insertion section in Fig. 9 a is inserted into position appropriate in holding section；

Figure 10 is insertion section in figure 9b and holding section install after view when preparing mounting and connection parts；

Figure 11 a be improve after pipe connection structure in tapering be in be prepared to enter into state when schematic diagram；

Figure 11 b be tapering in Figure 11 a be in completely into state when schematic diagram；

Figure 12 is that the utility model prevents view when connection member is mistakenly inserted；

Figure 13 is use state diagram of the pipe connection structure of the present utility model in practical application.

Embodiment

The construction of pipe connection structure of the present utility model is illustrated referring to the drawings.The content described below is only As the example for understanding the utility model embodiment, not limited to this is understood to of the present utility model.In following examples The direction on the basis of the state shown in Fig. 2, is explained in the way of direction up and down.

Fig. 1~Fig. 4 is referred to, pipe connection structure of the present utility model is main to include the first body provided with insertion section 2 1st, the second body 10 provided with holding section 11 and it is removably mounted to the company of the periphery of 1 and second body of the first body 10 Relay part 20.The insertion section 2 of first body 1 is connected with the holding section 11 of second body 1, and passes through the connecting portion Part 20 is fixed；By removal in the first body 1 and the second body 10 of the connection member 20 after fixation, the first pipe can be achieved The fractionation of the body 10 of body 1 and second.

Specifically, first body 1 is the pipe arrangement of upper (or top) side, and it is the internal circle for being provided with drainage flow path Tubular structure body, it is made up of synthetic resin such as polypropylene.One end in first body 1 positioned at downflow direction is the insertion Portion 2.

Two weeks peripheries at the top peripheral of the insertion section 2 are outwardly to form the first flange 3 setting up and down respectively It is located at the lower section of the first flange 3 with the second flange 4, namely the second flange 4.It is located at the He of the first flange 3 in the insertion section 2 The periphery of part between second flange 4 is provided with an identifying body 6.And the lower end periphery of the insertion section 2 is nested with one and stopped Wet part 5.

Further, as shown in figure 3, to prevent the first flange 3 to be mistakenly inserted in the second body 10, it is preferable that described first is convex The lower end surface of edge 3 is for preventing the spacing conical surface being mistakenly inserted.After the completion of construction, i.e. the first body 1 and the second body 10 it Between realize connection after, first flange 3 is covered in the top end face of connection member 20, and plays and make as the first protection portion 8a With.

The water sealing part 5 is the sark of ring body structurc, and it is by the high elastic material of the coefficient of friction such as rubber or silica gel It is made, is formed maintain to construct in the present embodiment, namely the preliminary connection status between the first body of maintenance and the second body Maintain construction.

The identifying body 6 is the endless member that parts different from the first body 1 are formed, such as by with the first body 1 and the The material of two bodys, 10 different form and aspect is made, and the identifying body 6 is a ring body structurc in the present embodiment, and it, which has, is used to judge Whether part inserts mark action in place.

For ease of understanding that identifying body 6 has the form and aspect different from the first body 1 and the second body 10, mark structure is formd Make, the hachure of identifying body 6 sketched the contours of in other accompanying drawings in Figure of description of the present utility model in addition to sectional view, That is, filled in the structure of the identifying body 6 shown in other accompanying drawings in addition to sectional view with hacures, to represent identifying body 6 have different form and aspect from the first body 1 and the second body 10, embody the mark action of identifying body 6.

Specifically, in the present embodiment, second body 10 is the pipe arrangement of dirty side, and it is provided with blowdown stream for inside The cylinder-like structure body on road, is made up of synthetic resin such as polypropylene.One end in second body 10 positioned at upstream direction is Holding section 11.

The holding section 11 by the second body 10 upper end it is expanding form, namely the holding section 11 internal diameter than second pipe The internal diameter of other tubular portions of body 10 is big.And the internal diameter of the holding section 11 is more than the external diameter of the insertion section 2, can allow for The insertion section 2 is inserted.Specifically, in the present embodiment, preferable holding section 11 including two make a slit or vent portion 12, two columnar parts 13, Docking section 14 and anti-error interpolating unit 15.

Described two portions 12 that make a slit or vent are formed by the wall of the upper end periphery side face partial penetration holding section 11 of the holding section 11, Each portion that makes a slit or vent is seen as the breach of arcuate structure from in-plane.In the present embodiment, described two make a slit or vent portion 12 by the engaging The opposite sides of the upper end periphery side face in portion 11 is formed through the wall of holding section 11, then described two portions 12 that make a slit or vent are oppositely arranged, As shown in figs. 1 and 3.After the completion of construction, the top end face in each portion that makes a slit or vent covers the lower end of connection member 20, to be used as Two protection portion 8b play a role.

Two columnar part 13 is non-through in the upper end outer peripheral face by the holding section 11 to be formed described two and makes a slit or vent portion 12 Part formed, namely two columnar part 13 by realized in holding section 11 described two make a slit or vent the both ends of portion 12 interconnection two connections Part is formed.Then two columnar part 13 is oppositely arranged, and between the both ends in the portion 12 that makes a slit or vent respectively positioned at described two, and each post The top in shape portion is protruding upward and the portion 12 that made a slit or vent higher than described two.

The docking section 14 be arranged at described two make a slit or vent portion 12 lower section on the inside of, its by holding section 11 lower end inner circumferential internal diameter It is gradually reduced to be formed along lower section direction.And the size of the internal diameter of the docking section 14 and the lower end periphery external diameter of the insertion section 2 Essentially identical, then when the insertion section 2 is inserted in the depths of holding section 11 and arrives at docking section 14, now docking section 14 is with inserting The water sealing part 5 entered in portion 2 docks.

As shown in Fig. 2 in the present embodiment, the anti-error interpolating unit 15 is by being made a slit or vent in the holding section 11 positioned at described two The groove trough body structure in axial direction extending formation opened up on the outer peripheral face of the lower section of portion 12, having prevents connection member 20 from missing Slotting effect, connection member 20 can not be continued into completely particular by the stop of the connection member 20 to insertion dislocation The first body 1 and the second body 10 are installed on, is achieved in preventing mispluging for connection member 20.In the present embodiment, it is described anti- Misplug portion 15 and be provided with 8 altogether, specifically, the anti-error interpolating unit of 8 groove structures, for one group, forms two groups of grooves with 4, Two groups of grooves be respectively arranged at described two make a slit or vent portion 12 lower section both ends at outer peripheral face on, that is, each columnar part 13 Lower end opposite sides is respectively equipped with 2 grooves, as shown in Fig. 2 show only the situation of the side of holding section 11 in Fig. 2, and does not open up The opposite side of the holding section 11 shown also has identical groove structure.

Specifically, in the present embodiment, the connection member 20 is the tool formed by the part missing of an endless member Have an opening and planar structure be in C fonts part, thus the connection member 20 by the opening be installed on the first body 1 and/ Or second body 10, being fixedly connected between body is realized, and can be realized by the opening from the first body 1 and second after fixation Removal on body 10, realize the separable operation between body.Preferably the connection member 20 is knot symmetrical above and below to the present embodiment Structure, it includes claw 21, guiding parts 22 and the ring body with cavity.

The claw 21 is formed at the arcuation junction surface of ring body opposite end end face, and it is by ring body opposite end end (the opposite end end of direction in figure 3 is upper and lower ends end) inner circumferential extends protrusion shape toward ring body cavity center direction Into as shown in figure 3, the cross-section structure of any protuberance in the claw 21 is triangular in shape, and being located at ring body upper end end The inner peripheral surface of the first claw be directed towards the cone structures of ring body lumen centers, and the second claw at ring body lower end surface Inner peripheral surface be directed towards the cone structures of ring body lumen centers.Because connection member 20 is structure symmetrical above and below, therefore when company Relay part 20 can also play identical effect when being reversed use, that is, now originally positioned at the of ring body upper end end One claw becomes the second claw at ring body lower end surface, and plays the second claw at ring body lower end surface originally Effect, similarly, now the second claw originally at the ring body lower end surface becomes first positioned at ring body upper end end Claw, and play the effect for the first claw for being located at ring body upper end end originally.In the present embodiment, the first claw and second Claw is also referred to as two sub- claws of the claw 21, also corresponds to two junction surfaces.

It is each to make a slit or vent portion all and the claw 21 (the first claw and the second claw) is used to coordinate with described two portions 12 that make a slit or vent The claw (the first claw or the second claw) inserted into the inner can be accommodated, a wherein claw (the first pawl can be accommodated by all having Portion or the second claw) width.

The guiding parts 22 by connection member 20 opening relative two medial surfaces upper end, middle part and bottom court Protrude to be formed in opening center.It is described when connection member 20 is inserted into the positional fault of the first body 1 and the periphery of the second body 10 Guiding parts 22 can be stopped by the anti-error interpolating unit 15 and connection member 20 can not be fully mounted to the first body 1 and the second pipe Body 10, that is, guiding parts 22 can be absorbed in the anti-error interpolating unit 15 of groove structure and make connection member 20 not continued into Into installation.

The ring body side be the connection member 20 opening, and wherein with it is described opening face and be oppositely arranged one Side is a bending section 23.The plan structure of the bending section 23 is in "U" shape, and the rigidity of the bending section 23 is than the claw 21 rigidity is low.The medial surface of face towards the opening to be formed toward being recessed backwards to the direction of the opening in the bending section 23 One tank.And the tank width of the bending section 23 is equal or slightly larger than the width of each columnar part, after the completion of construction, institute State two columnar parts 13 to be respectively arranged at the tank of the bending section 23 and the opening, and be arranged at a column of opening The outer peripheral face in portion covers the opening of the connection member 20, is played a role as the 3rd protection portion 8c.

The width of the opening of the connection member 20 and the tank width of bending section 23 are essentially identical.

Above-mentioned tubular body attachment structure of the present utility model realizes the connection between body according to following sequence of construction：

First, as shown in figure 5, being inserted in the connection member 20 toward the side of the holding section 11 of the second body 10, engaging is made Portion 11 engages with the connection member 20.

Realize that the process engaged is between the holding section 11 and the connection member 20：First, toward the side of holding section 11 When being inserted in connection member 20, the lower end of the guiding parts 22 of connection member 20 is stuck in described two and made a slit or vent in portion 12, and is directed to The upper end of part 22 is docked with the upper end of holding section 11, is achieved in the spacing of connection member 20.If now connection member The 20 insertion position mistake of guiding parts 22, then the guiding parts 22 will be embedded in for preventing the anti-error interpolating unit 15 mispluged In, then connection member 20 can not possibly can be completed to insert as foregoing from the side of holding section 11.In addition, if the pawl of connection member 20 The lower end of portion 21 (an i.e. underlying sub- claw) is fastened on the position between the first flange 3 and the second flange 4, even if now thinking Connection member 20 is inserted in, as the lower end surface of the first flange 3 is for preventing the spacing conical surface being mistakenly inserted, and makes claw 21 lower end (an i.e. underlying sub- claw) can not be fastened between the first flange 3 and the second flange 4.

With the insertion of connection member 20, by the bending of ring body and bending section 23, claw 21 is by from connection member 20 Outward opening side pressure is stretched, namely is softened, until connection member 20 be softened it is expanding to can be enclosed on the holding section 11 After degree, that is, realize that connection member 20 is fastened in the top of holding section 11.Now, connection member 20 after expanding by itself Elasticity and return to original state, thus complete the installation of connection member 20.

Then, as shown in fig. 6, the first body 1 is inserted into the second body 10, also i.e. by the insertion section 2 of the first body 1 It is inserted into the holding section 11 of the second body 10.Now, as shown in Figure 7a, the cone of the lower end of the second flange 4 and the upper end of claw 21 Shape part is docked, and continues insertion section 2 being pressed into connection member 20 after docking, the pressure stretch of the second flange 4 in process of press in Claw 21, the stress of claw 21 and ring body and its bending section 23 is strutted deform upon outward so that connection member 20 is expanding.This When insertion section 2 not yet insert in place, therefore water sealing part 5 will not touch the medial surface of holding section 11.As shown in Figure 7a, insert Portion 2 not yet inserts in place, and identifying body 6 also exposes to outside and can be visual.

After the degree being inserted into when the insertion section 2 of connection member 20, insertion section 2 may pass through connection member 20 and be inserted into holding section 11.

As shown in Figure 7b, until identifying body 6 to can not by visual position, it is expanding after connection member 20 just rely on itself Elasticity be again restored to original state.Now, the upper end of claw 21 (a sub- claw above i.e. in claw 21) is arranged on Between first flange 3 and the second flange 4, the lower end of claw 21 (a underlying sub- claw i.e. in claw 21) is arranged at described open Vent in the sides of a garment portion 12.So, the upper end and two of second flange 4 is made a slit or vent by the first claw 21 and the second claw 21 of the upper and lower side of claw 21 The top surface in portion 12 is sandwiched, completes the connection between the first body 1 and the second body 10, as shown in Figure 2 to 4.Now water stop portion Part 5 docks with docking section 14 in side surface direction, and the water sealing part 5 is inserted into the lateral surface in portion 2 and the inner side of holding section 11 Face (docking section 14) clamps.

As shown in Fig. 2 after completing the connection between the first body 1 and the second body 10, connection member 20 is in covering marking The state of body 6 and be installed on the periphery of insertion section 2, therefore can not be visually to identifying body 6 from lateral surface.

That is, by the identifying body 6 with mark action and mark construction, it can easily confirm whether insertion section 2 inserts Enter the position appropriate into holding section 11, it is appropriate can also to judge whether connection member 20 is installed easily.

In the state of the first body 1 and the second body 10 complete connection, the upper end of connection member 20 is by the first protection portion 8a is that the first flange 3 covers, the lower end of connection member 20 is covered and connection member 20 by the second protection portion 8b i.e. two portions 12 that make a slit or vent Opening by the 3rd protection portion 8c be that columnar part 13 covers, thus prevent that connection member 20 from being impacted.

In addition, pipe connection structure of the present utility model can also realize the connection between body in the following order：

First, as shown in figure 8, first inserting the insertion section 2 of the first body 1 in the holding section 11 of second body 10.Now, As illustrated in fig. 9, during insertion, water sealing part 5 does not contact with the medial surface of holding section 11.Therefore, if in such shape Let go under state and interrupt the insertion of the first body 1, then the second body 10 can be split away off from the first body 1.As shown in figure 9b, After insertion section 2 is inserted into appropriate position, water sealing part 5 can dock with docking section 14 in side surface direction, now, water sealing part 5 are inserted into the lateral surface in portion 2 and the medial surface i.e. docking section 14 of holding section 11 clamps, lower end and the holding section 11 of the second flange 4 Top docking.Because water sealing part 5 is made up of the material of great friction coefficient, in the state of Fig. 9 b, even if loosing one's grip, the first pipe Connection status between the body 10 of body 1 and second is as the frictional force of water sealing part 5 is acted on and is kept, therefore second manages Body 10 will not come off from the first body 1.

That is, only insertion section 2 is inserted into appropriate position, water sealing part 5 can be just clamped, by the water stop portion The frictional force of part 5 can ensure that the second body 10 will not come off from the first body 1.Therefore, as long as operator confirms each pipe In connected state, whether the second body 10 can split away off body from the first body 1, you can judge whether insertion section 2 is inserted Appropriate position is arrived.

Further, since water sealing part 5 can be clamped after insertion section 2 is inserted into appropriate position, so operator can lead to The clamped sensation of water sealing part 5 is crossed, even sense of touch, can also judge whether insertion section 2 is inserted into appropriate position.

However, so-called " keeping continuous state " refers to of short duration maintenance in the presence of not by other external force, such as scheme In the state of shown in 9b, as long as imposing external force, the second body 10 will be split away off from the first body 1.

In the state of Fig. 9 b, identifying body 6 can from side visually to.

Then, as shown in Figure 10, from the upper connection member of side set for the insertion section 2 and holding section 11 for completing insertion 20.Now, the lower end of guiding parts 22 is stuck in described two and made a slit or vent in portion 12, center section and the holding section 11 of guiding parts 22 Top is docked, and thus guides the insertion of the side of connection member 20.

With the insertion of connection member 20, by feat of the flexibility and elastic reaction of bending section 23, claw 21 will be from connection The outward opening side pressure of part 20 is stretched, namely is softened, until connection member 20 be softened it is expanding to the engaging can be enclosed on After degree in portion 11, that is, realize that connecting portion is fastened in the top of the holding section 11.Now, connection member 20 after expanding according to Original state is returned to by the elasticity of itself, and the upper end of claw 21 is stuck between the first flange 3 and the second flange 4, claw 21 lower end is arranged at described two and made a slit or vent in portion 12.That is, after the installation of connection member 20, the first claw of the upper and lower side of claw 21 21 and second claw 21 the make a slit or vent top surface in portion 12 of the upper end of second flange 4 and two is clamped, complete the first body 1 and the second body Firm connection between 10, as shown in figs. 2 to 4.

As shown in Fig. 2 after the installation of connection member 20, because connection member 20 covers identifying body 6, therefore can not be from side Edge direction visually arrives identifying body 6.

Therefore, by the identifying body 6 with mark action and mark construction, it can easily confirm that connection member 20 is installed After the completion of, whether insertion section 2 is inserted into appropriate position, and connection member 20 whether install it is appropriate.

In the utility model, the identifying body 6 as mark construction not only plays a role when insertion section 2 is inserted, Er Qie Insertion section 2 also plays a role after being inserted into holding section 11 when mounting and connection parts 20 or other parts.

In the case where completing the connection status of the first body 1 and the second body 10, although insertion section 2 and holding section 11 are to take off From, but both can be rotated centered on the central shaft of the first body 1.Therefore, as shown in Figure 2 to 4, after completing connection It can be relatively rotated between first body 1 and the second body 10, therefore the direction of adjustable pipe arrangement.

Figure 11 a and Figure 11 b are referred to, it is convex positioned at described second in the insertion section 2 as a kind of more excellent technical scheme The outwardly tapering 7 formed for preventing the installation dislocation of connection member 20 of the outer peripheral face of the lower section of edge 4.The conical surface in the tapering 7 Direction is downward.In the present embodiment, the tapering 7 is equivalent to an Anti-misplugging structure.

The order of connection of pipe connection structure in above-described embodiment of the present utility model is as described above.

When position of the upper end inlay card of claw 21 in the portion of making a slit or vent 12, even if wanting mounting and connection parts 20, as The guiding parts 22 of the lower section of connection member 20 can be hooked in the anti-error interpolating unit 15 of holding section 11 and can not install.

Figure 12 is referred to, when the lower end of claw 21 is stuck on the position between the first flange 3 and the second flange 4, even if Mounting and connection parts 20, it is used to prevent the spacing conical surface being mistakenly inserted as the lower end surface of the first flange 3 is provided with, and makes pawl The lower end in portion 21 can not be fastened between the first flange 3 and the second flange 4.In the present embodiment, anti-error interpolating unit 15 and first is convex The conical surface that the bottom surface of edge 3 is formed all serves as anti-misinsertion mechanism, can prevent the installation unfavorable condition of connection member 20 from occurring.

Further, since connection member 20 is structure symmetrical above and below, turns upside down and can also enter even if by connection member 20 The normal attended operation of row.

Pipe connection structure of the present utility model, after the completion of construction, from the lower section of the first flange 3 of insertion section 2 to card The covering of this part in the portion 12 that makes a slit or vent in conjunction portion 11, all connected component 20 is surrounded, so even if to the first body 1 and the second body Coupling part between 10 applies impulsive force, and they also can be difficult to be damaged by the protection of connection member 20.Further, since even Relay part 20 is provided with opening, even if by external impacts, can also rely on the temporary distension of connection member 20 and alleviate and keep away Exempt to impact.

In the present embodiment, the upper end of connection member 20 by the first protection portion 8a be the first flange 3 cover, connection member 20 Lower end by the second protection portion 8b be that two portions 12 that make a slit or vent cover and the opening of connection member 20 is by the 3rd protection portion 8c i.e. columnar part 13 coverings, the connecting structure being thus connected between the body 1 of part 20 and first and the second body 10 are a kind of it is difficult to be impacted Construction.

In the present embodiment, the coupling part between the first body 1 and the second body 10 is to penetrate make a slit or vent portion 12, holding section Construction inside and outside 11, therefore its external diameter can make path.Thus have in narrow space in the case of using pipe arrangement Upper pipe connection structure of the present utility model can also be applied.

When needing to separate the first body 1 and the second body 10, it is only necessary to which connection member 20 is dismantled.

It is use state signal of the pipe connection structure of the present utility model in practical application in addition, referring to Figure 13 Figure, that is, pipe connection structure of the present utility model can be used for drain elbow T connection, or for other connecting pipings Between connection.It can be also used for the body of dirty side being arranged in insertion section 2, and the body of upper side be arranged on In holding section 11, the connection between each body is realized.

Above is the pipe connection structure of the utility model first embodiment, but pipe connection structure of the present utility model is simultaneously The construction described in above-mentioned first embodiment is not limited to, without departing from purport of the present utility model, other can also be used each The different design of kind, such as：

1) structure of connection member 20 is changed, that is, in other variant embodiments, connection member 20 can also select spiral shell The screw part of connection is closed, the construction that either engages for insertion section 2 and holding section 11 itself or as insertion section 2 and engaging A part for the structure in portion 11.

2) identifying body 6 after the completion of being constructed in the present embodiment is mark construction that can not be visual, but in other deformation implementations In example, the identifying body 6 may be arranged as mark construction that can be visual after the completion of construction；Furthermore it is also possible to change mark Know the structure of body 6, e.g., identifying body can not be ring body structurc, can be arc body structure, is either coating structure or is Other known features that can realize mark action in field.

3) in other variant embodiments, for the structure for the anti-error interpolating unit 15 for preventing from mispluging at the outer peripheral face of holding section 11 Projection cube structure or other convex portion structures can be used to substitute.

4) each protection portion in the present embodiment and body are integral types, but in other variant embodiments, Ge Gebao Shield portion can not be integral type with body, that is, after the completion of construction, can protect first with additionally mounted corresponding protection portion The part connected between the body 10 of body 1 and second.

5) number for the flange that the periphery of insertion section 2 is set is changed, that is, the periphery of insertion section 2 can set quantity to be more than 2 Multiple flanges, a flange can also be only set；When being provided with a flange, that is, the insertion section periphery of the first body Periphery protrusion only forms one second flange within one week；Now, installation is better than the first body and the connection member on the second body First claw is accepted by second flange.

6) by identifying body 6, this structure is deleted.

7) two columnar parts 13 in holding section 11 are deleted；Or only retain a columnar part, and covered by the columnar part The opening for the connection member being installed on behind the first body and/or the second body periphery.

8) docking section 14 this structure in holding section 11 is deleted, now judge insertion section whether insert in place directly according to By identifying body.

Relative to prior art, the utility model pipe connection structure can ensure while convenience for construction is improved The fastness connected between each body, it is difficult for drop-off, improve security, while the dismounting being also convenient between each body.

Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed, But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that the common skill for this area For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to The scope of protection of the utility model.

Claims (10)

1. A kind of 1. pipe connection structure, it is characterised in that：The second pipe including the first body provided with insertion section, provided with holding section Body and the connection member for being removably mounted to first body and second body periphery；

   The insertion section of first body is connected with the holding section of second body, and is fixed by the connection member；It is logical Connection member removal from the first body and the second body after fixation is crossed, achievable first body and the second body are torn open Point.
2. 2. pipe connection structure according to claim 1, it is characterised in that：The connection member side offers opening, And the connection member is installed on the first body and/or the second body by the opening, being fixedly connected between body is realized, and can Realized by the opening from removal on the first body and the second body after fixation, realize the separable operation between body.
3. 3. pipe connection structure according to claim 2, it is characterised in that：

   The peripheral one week periphery in the insertion section of first body protrudes to form one second flange；

   The opposite sides of the peripheral side face of the holding section of second body offers makes a slit or vent portion through the two of holding section wall；

   The connection member includes ring body and claw with cavity；The side of the ring body is opens described in being connected with its cavity Mouthful, the claw includes forming the first pawl from the ring body opposite end end inner circumferential toward ring body cavity center direction extension protrusion Portion and the second claw；

   After the insertion section of first body is partially inserted into the holding section of second body, pass through the ring of the connection member Body is socketed on the periphery of first body and the second body, and is accepted by second flange by the first claw and the second pawl Portion makes a slit or vent portion's clamping with described two, realizes being fixedly connected between the first body and the second body.
4. 4. pipe connection structure according to claim 3, it is characterised in that：The insertion section periphery of first body is also set There is the first flange；First flange and second flange are setting up and down；First claw is connected in first flange And second between flange, and the top end face of first claw is covered by first flange, and the bottom of second claw End end face is by each portion's covering of making a slit or vent.
5. 5. pipe connection structure according to claim 4, it is characterised in that：The holding section is additionally provided with an at least column Portion；The columnar part is by realizing that the connecting portion that described two wherein one end for making a slit or vent portion are connected with each other is formed in holding section, and institute The top for stating columnar part is protruding upward and the portion that made a slit or vent higher than described two；The connection member is installed on the first body and/or second Behind body periphery, its opening is covered by the columnar part.
6. 6. according to the pipe connection structure described in any one of Claims 1 to 5, it is characterised in that：The periphery of the insertion section is set Have for judging whether insertion section inserts identifying body in place.
7. 7. according to the pipe connection structure described in any one of claim 2~5, it is characterised in that：First body and described An at least body is provided with the anti-error interpolating unit for being used for preventing the connection member installation dislocation in second body；

   When connection member is inserted into the positional fault of the first body and/or the second body periphery, the connection member can be by institute Anti-error interpolating unit is stated to stop and connection member can not be fully mounted to the first body and/or the second body.
8. 8. pipe connection structure according to claim 7, it is characterised in that：The opening of the connection member, which is provided with, to be oriented to Part；The guiding parts by connection member opening relative two medial surfaces upper end, middle part and bottom towards in opening Cardiac prominence goes out to be formed；

   When connection member is inserted into the positional fault of the first body and/or the second body periphery, the guiding parts can be by institute Anti-error interpolating unit is stated to stop and connection member can not be fully mounted to the first body and/or the second body.
9. 9. according to the pipe connection structure described in any one of claim 2~5, it is characterised in that：The insertion section periphery is provided with Water sealing part；And/or the holding section is provided with docking section, the docking section is by the lower end inner circumferential internal diameter of the holding section along lower section Direction is gradually reduced to be formed.
10. 10. the pipe connection structure according to claim 4 or 5, it is characterised in that：The lower end surface of first flange is For the spacing conical surface for preventing connection member to be mistakenly inserted.