CN210318979U

CN210318979U - Tee bend clamp and have joint connection prefab of this clamp

Info

Publication number: CN210318979U
Application number: CN201920799040.5U
Authority: CN
Inventors: 谭岩; 王延君
Original assignee: Shandong 100tong Casting Co ltd
Current assignee: Shandong 100tong Casting Co ltd
Priority date: 2019-05-30
Filing date: 2019-05-30
Publication date: 2020-04-14
Anticipated expiration: 2029-05-30

Abstract

The utility model relates to the technical field of pipeline joint connecting devices, and provides a three-way clamp which comprises a first clamping sheet and a second clamping sheet which can be mutually connected or disassembled; the first card and the second card respectively comprise three clamping parts; an accommodating cavity is arranged in the clamping part; the two clamping pieces are respectively provided with a clamping claw and a clamping groove. The utility model also provides a joint connection prefabricated part with the clamp, which comprises a connecting pipe fixed in the clamp body; a sealing element sleeved with the pipe orifice is also arranged in the accommodating cavity; during site operation, the straight pipe to be connected is inserted into the sealing element, then the clamp body is screwed, and the sealing element is tightly pressed on the pipe body of the straight pipe to realize sealing. Compared with the prior art the utility model discloses an integration degree is high, simplifies the grafting of complicated installation procedure to the tube head and screws up of clamp, has reduced the technical ability requirement to the operator. The construction operation steps are simple, the installation error is small, the worker training cost is effectively reduced, and meanwhile, the construction efficiency is greatly improved.

Description

Tee bend clamp and have joint connection prefab of this clamp

Technical Field

The utility model belongs to the technical field of the pipeline connects connecting device, especially, relate to a tee bend clamp and have joint connection prefab of this clamp.

Background

The operations of joint connection in pipeline construction are generally: the two nozzles to be connected are aligned and connected by installing a special connecting piece. Currently, there are many such connectors, and a clamp type pipe joint disclosed in patent application No. CN201748094U is the connector of this type.

Because the number of the interfaces of the connection mode is large, if a connecting point is needed, a plurality of pairs of interfaces (such as a three-way pipe or a four-way pipe connection) are connected at the same time, and if the connecting point is needed, the pipeline steering is completed (such as the elbow connection). Each butt joint interface needs to adopt a special joint connecting piece, the butt joint of the interface pieces, the disassembly and the assembly of the joint connecting pieces need to be completed on site, the operation process is complex, the assembly error is large, and the requirement on the skill of an operator is high. And each pair of interfaces respectively and independently finish the operation, so that the construction efficiency is low.

There are also quick-connect connectors, such as a snap-on quick connector disclosed in CN 207539492U. However, in this type of joint, the connecting member is integrated into the joint body, which is complicated in structure and expensive to manufacture. And the connector main body cannot adopt a standard component, and the universality and the interchangeability are poor.

In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned drawbacks, the present invention provides a three-way clamp and a joint connection prefabricated member having the same, wherein a clamp body is formed by a first clamping sheet and a second clamping sheet which can be disassembled or combined; the first card and the second card respectively comprise at least two clamping parts; the clamping part comprises a first clamping ring, a second clamping ring and an accommodating cavity; the utility model also provides a joint connection prefabricated part with the hoop, which is characterized in that a connecting pipe sleeved with a sealing element is arranged in the hoop; during construction, a straight pipe to be connected is inserted into the sealing element, then the clamp body is screwed, and the sealing element is tightly pressed on a pipe body of the straight pipe to realize sealing; and a second clamping ring in the clamp body is clamped into a second clamping groove of the straight pipe to complete fixation. Compared with the prior art the utility model discloses an integration degree is high, simplifies the grafting of complicated installation procedure to the tube head and screws up of clamp, has reduced the technical ability requirement to the operator. The construction operation steps are simple, the installation error is small, the worker training cost is effectively reduced, and meanwhile, the construction efficiency is greatly improved.

In order to achieve the purpose, the utility model provides a three-way clamp which comprises a clamp body, wherein the clamp body comprises a first clamping piece and a second clamping piece which can be connected with each other or detached from each other; the first card and the second card respectively comprise three clamping parts; the clamping part comprises a first clamping ring, a second clamping ring and an accommodating cavity for fixing the sealing element;

the first card is provided with a clamping claw, and the second card is correspondingly provided with a clamping groove; the clamping claw comprises a clamping neck used for being clamped into the clamping groove and a clamping connector connected to the clamping neck.

According to the utility model discloses a tee bend clamp is provided with the space of stepping down between each joint portion.

According to the utility model discloses a tee bend clamp, the width of joint is greater than the groove width in joint groove.

According to the utility model discloses a tee bend clamp and have joint connection prefab of this clamp, the clamp body is cast iron material.

According to the utility model discloses a tee bend clamp and have joint connection prefab of this clamp, all be equipped with the bolt hole that corresponds each other on first card and the second card.

A joint connection preform having the clip includes a connection pipe fixed in a body of the clip; the connecting pipe comprises three pipe orifices; each clamping part is correspondingly clamped with a pipe orifice; a sealing element which is used for being sleeved with the pipe orifice is further arranged in the accommodating cavity of each clamping part;

the sealing element comprises a tube body capable of elastically expanding and contracting; a first sealing ring and a second sealing ring are arranged on the inner wall of the pipe body;

each pipe orifice of the connecting pipe is provided with a first clamping groove used for clamping the first clamping ring and a sealing clamping groove used for clamping the first sealing ring.

According to the utility model discloses a joint connection prefab, the cross sectional shape of second sealing ring is circular-arc.

According to the utility model discloses a joint connection prefab, the cross-sectional shape of second sealing ring is barb-like.

According to the utility model discloses a joint connection prefab, the cross sectional shape of the bottom of sealed draw-in groove is circular-arc.

According to the utility model discloses a joint connection prefab, be equipped with on the first sealing ring be used for with the bottom complex circular-arc arch of sealed draw-in groove.

According to the utility model discloses a joint connection prefab, still be equipped with the spacing face that is used for restricting sealing member axial displacement on the first sealing ring.

According to the utility model discloses a joint connection prefab, the bolt hole has concatenated the bolt, the spiro union has the nut on the bolt.

According to the utility model discloses a joint connection prefab, the sealing member is the rubber material.

The utility model aims to provide a three-way hoop, which comprises a hoop body formed by a first clamping sheet and a second clamping sheet which can be disassembled or combined; the first card and the second card respectively comprise at least two clamping parts; the clamping part comprises a first clamping ring, a second clamping ring and an accommodating cavity; the utility model also provides a joint connection prefabricated part with the hoop, which is characterized in that a connecting pipe sleeved with a sealing element is arranged in the hoop; during construction, a straight pipe to be connected is inserted into the sealing element, then the clamp body is screwed, and the sealing element is tightly pressed on a pipe body of the straight pipe to realize sealing; and a second clamping ring in the clamp body is clamped into a second clamping groove of the straight pipe to complete fixation. Compared with the prior art the utility model discloses an integration degree is high, simplifies the grafting of complicated installation procedure to the tube head and screws up of clamp, has reduced the technical ability requirement to the operator. The construction operation steps are simple, the installation error is small, the worker training cost is effectively reduced, and meanwhile, the construction efficiency is greatly improved.

Drawings

Fig. 1 is a perspective view of an embodiment of the present invention;

FIG. 2 is a side view of FIG. 1;

fig. 3 is a perspective view of an embodiment of the present invention clip body;

FIG. 4 is a perspective view of the first card of FIG. 3;

FIG. 5 is a schematic view of the internal structure of the second card of FIG. 3;

FIG. 6 is a schematic view of the structure in the direction A-A in FIG. 2;

FIG. 7 is a schematic structural view of the region A in FIG. 6;

FIG. 8 is a schematic view of the relaxed state of FIG. 7 in the direction B-B;

FIG. 9 is a schematic view of the compressed state in the direction B-B in FIG. 7;

fig. 10 is a schematic structural diagram of an embodiment of a connecting tube of the present invention;

FIG. 11 is a schematic structural view of an embodiment of a seal of the present invention;

FIG. 12 is a schematic view of an embodiment of the direction C-C of FIG. 11;

FIG. 13 is a schematic structural view of the region B in FIG. 12;

FIG. 14 is a schematic view of an embodiment of the direction C-C of FIG. 11;

FIG. 15 is a perspective view of the second card of FIG. 3;

FIG. 16 is a schematic view of the structure of the chuck jaw of FIG. 4;

FIG. 17 is a schematic structural view of the region C in FIG. 3;

in the figure: 1-a clamp body, 11-a clamping part, 111-a first clamping ring, 112-a second clamping ring; 12-first card, 121-clamping claw, 1211-clamping neck and 1212-clamping joint; 13-second card, 131-card slot; 14-bolt hole, 15-containing cavity and 16-abdicating space; 2-connecting pipe, 21-first clamping groove, 22-sealing clamping groove; 3-sealing element, 31-first sealing ring, 311-arc bulge, 312-spacing surface; 32-a second sealing ring; 4-straight tube, 41-second neck.

Detailed Description

In order to make the objects, technical solutions and advantages of 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 invention and are not intended to limit the invention.

Referring to fig. 3, the utility model provides a three-way clamp, which comprises a clamp body 1, and referring to fig. 2, the clamp body 1 comprises a first clamping piece 12 and a second clamping piece 13; referring to fig. 3 and 4 again, each of the first card 12 and the second card 13 includes three card connecting portions 11; referring to fig. 5, the clamping portion 11 includes a first snap ring 111 and a second snap ring 112, and further includes an accommodating cavity 15.

The first clamping piece 12 and the second clamping piece 13 are respectively provided with a bolt hole 14 corresponding to each other, and a bolt can be inserted into the bolt hole 14 and connected with the bolt hole and the bolt hole by a nut; meanwhile, the pressing and loosening of the nut and the nut can be realized. The number of the bolt holes 14 may be set to 1, 2, 3, or 4 according to the specification of the clip body 1.

Referring to fig. 4 and 15, the first card 12 is provided with a clamping claw 121, and the second card 13 is correspondingly provided with a clamping groove 131; referring to fig. 16, the clamping claw 121 includes a clamping neck 1211 for clamping into the clamping groove 131, and a clamping head 1212. The width of the catching head 1212 is greater than the groove width of the catching groove 131.

With reference to fig. 17, in use, the neck 1211 is first clamped into the clamping groove 131, and the clamping head 1212 contacts with the outer side of the clamping groove 131 to prevent the two cards from being separated; and then bolts are inserted into the bolt holes 14 to realize the connection and fixation. The clamping claws 121 and the clamping grooves 131 are arranged to facilitate the connection and the disassembly of the first card 12 and the second card 13; meanwhile, on the premise of meeting the connection requirement, the number of the bolt holes 14 can be effectively reduced, and the structure is simplified. The number and positions of the catching claws 121 and the catching grooves 131 and the bolt holes 14 may be set according to the specific shape and specification of the band body 1.

The utility model discloses a clamp body 1 adopts casting process shaping for the cast iron material. The second clamping piece 13 is provided with a clamping groove 131, and the body of the second clamping piece 13 and the clamping groove 131 can be integrally formed by sand tires during casting without forming the groove by a core. The cost of core making is saved, the manufacturing process is simplified, and meanwhile, the position degree of the clamping groove 131 is well guaranteed.

The utility model discloses send out the connection that the tee bend clamp can be used to the pipeline, the joint that needs to connect only needs to insert the utility model discloses a screwing up the bolt again in the joint portion and can accomplish the connection, the operation step of connection has been simplified to the structure of integral type, has improved the efficiency of construction.

Referring to fig. 1, the present invention further provides a joint connection prefabricated member having the above-mentioned clamp, which comprises a connection pipe 2 fixed in the clamp body 1.

Referring to fig. 10, the connection tube 2 includes three nozzles; each clamping part 11 is correspondingly clamped with a pipe orifice; and a sealing element 3 which is used for being sleeved with the pipe orifice is further arranged in the accommodating cavity 15 of each clamping part 11.

Each pipe orifice is provided with a first clamping groove 21 and a sealing clamping groove 22; preferably, the cross-sectional shape of the bottom of the seal groove 22 is circular arc, so as to increase the sealing property.

Referring to fig. 11 and 12, the sealing member 3 includes an elastically expandable and contractible tube body, and a first sealing ring 31 and a second sealing ring 32 are disposed on an inner wall of the tube body;

referring to fig. 8, when in use, the pipe orifice of the sealing element 3 is elastically expanded and sleeved on the pipe orifice of the connecting pipe 2, and the first sealing ring 31 is clamped into the sealing clamping groove 22 of the connecting pipe 2; referring to fig. 13 again, in order to increase the sealing effect, the first sealing ring 31 is provided with an arc-shaped protrusion 311 for matching with the arc-shaped bottom of the sealing slot 22 to increase the contact area between the two to enhance the sealing effect. Preferably, the first sealing ring 31 is further provided with a limiting surface 312 for limiting the axial movement of the sealing member 3 and increasing the stability thereof. The second sealing ring 32 is in clearance fit with the straight pipe 4, and the straight pipe 4 can be conveniently inserted when the straight pipe is in a loose state. Referring to fig. 9 again, after the compression, the second sealing ring 32 is locally deformed under the action of the extrusion force and is tightly attached to the tube body of the straight tube 4, so as to realize the sealing. Referring to fig. 14, the second seal ring 32 has an arc-shaped cross section, and has a large deformation amount when it is in close contact with the pipe body of the straight pipe 4, and a good sealing effect. Further, referring to fig. 12, the cross-sectional shape of the second seal ring 32 is a barb shape, and when the second seal ring contacts the pipe body of the straight pipe 4, the deformation amount is further increased, and the sealing effect is further enhanced.

Referring to fig. 6 and 7, when the present invention is assembled, a sealing element 3 is respectively sleeved on each pipe orifice of the connecting pipe 2, and the first sealing ring 31 is completely clamped into the sealing slot 22; then the whole body is put into the second clamping plate 13 (or the first clamping plate 12), the first clamping groove 21 of the pipe orifice of each connecting pipe 2 is clamped with the corresponding first clamping ring 111, and the sealing element 3 is fixed in the corresponding accommodating cavity 15; the first card 12 (or the second card 13) is then covered, and the bolt holes 14 can be pre-threaded with bolts and pre-tightened with nuts. The nut need not be screwed down completely at this time, only need keep connecting pipe 2 and sealing member 3 fixed in clamp body 1 can.

The utility model discloses a joint connection prefab can regard as whole delivery to job site for the connection that the pipeline connects. During construction, the straight pipe 4 to be connected is inserted into the seal member 3 as shown in fig. 8. Then the nut is tightened, the second sealing ring 32 presses the pipe body of the straight pipe 4, and the second clamping ring 112 is clamped into the second clamping groove 41 of the straight pipe 4 to complete the fixation. Compared with the prior art, the joint of the utility model has low residual stress and good sealing effect; the construction operation steps are simple, and the requirement on the skill of an operator is low. The construction efficiency is improved, and the construction cost is reduced.

Preferably, referring to fig. 4 and 5, an abdicating space 16 is provided between the clamping portions 11 of the first clamping ring 111 and the second clamping ring 112. After the connecting pipe 2 is fixed by the hoop body 1, the pipe body of the connecting pipe 2 is positioned in the abdicating space 16. The abdicating space 16 simplifies the structure of the clamp body 1 and reduces the overall weight. The fluctuation of the external dimension of the pipe body of different connecting pipes 2 (such as the pipe body is rich or local bulge, deformation, etc.) will not affect the stability and the sealing performance of the connection of the clamping part 11 with the connecting pipes 2 and the sealing element 3. The universality of the clamp body 1 and the fault-tolerant range of assembly errors are enhanced.

In summary, the utility model provides a three-way hoop, which comprises a hoop body formed by a first card and a second card which can be disassembled or combined; the first card and the second card respectively comprise at least two clamping parts; the clamping part comprises a first clamping ring, a second clamping ring and an accommodating cavity; the utility model also provides a joint connection prefabricated part with the hoop, which is characterized in that a connecting pipe sleeved with a sealing element is arranged in the hoop; during construction, a straight pipe to be connected is inserted into the sealing element, then the clamp body is screwed, and the sealing element is tightly pressed on a pipe body of the straight pipe to realize sealing; and a second clamping ring in the clamp body is clamped into a second clamping groove of the straight pipe to complete fixation. Compared with the prior art the utility model discloses an integration degree is high, simplifies the grafting of complicated installation procedure to the tube head and screws up of clamp, has reduced the technical ability requirement to the operator. The construction operation steps are simple, the installation error is small, the worker training cost is effectively reduced, and meanwhile, the construction efficiency is greatly improved.

Naturally, the present invention can be embodied in many other forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be made by one skilled in the art without departing from the spirit or essential attributes thereof, and it is intended that all such changes and modifications be considered as within the scope of the appended claims.

Claims

1. The tee clamp is characterized by comprising a clamp body, wherein the clamp body comprises a first clamping piece and a second clamping piece which can be connected with each other or detached from each other; the first card and the second card respectively comprise three clamping parts; the clamping part comprises a first clamping ring, a second clamping ring and an accommodating cavity for fixing the sealing element;

2. The three-way clamp of claim 1, wherein an abdicating space is provided between each clamping portion.

3. The three-way clamp of claim 1, wherein the width of the snap connector is greater than the slot width of the snap channel.

4. The three-way clamp of claim 1, wherein the clamp body is cast iron.

5. The three-way clamp according to any one of claims 1 to 4, wherein the first clamping plate and the second clamping plate are provided with bolt holes corresponding to each other.

6. A joint connection preform having the three-way clamp of claim 5, comprising: a connecting tube fixed in the clamp body; the connecting pipe comprises three pipe orifices; each clamping part is correspondingly clamped with a pipe orifice; a sealing element which is used for being sleeved with the pipe orifice is further arranged in the accommodating cavity of each clamping part;

7. The joint connection preform of claim 6, wherein the cross-sectional shape of the second seal ring is a circular arc.

8. The splice connection preform of claim 6, wherein the cross-sectional shape of the second seal ring is barb-like.

9. The joint connection preform of claim 6, wherein a cross-sectional shape of a bottom of the seal groove is a circular arc.

10. The joint connection preform according to claim 9, wherein the first seal ring is provided with a circular arc-shaped protrusion for engaging with a bottom of the seal groove.

11. The splice connection preform of claim 10, wherein the first seal ring further defines a stop surface thereon for limiting axial movement of the seal member.

12. The prefabricated joint connection member according to any one of claims 6 to 11, wherein bolts are connected in series to the bolt holes, and nuts are screwed to the bolts.

13. The splice connection preform of claim 12, wherein said seal is rubber.