CN221145707U - Connecting piece for UPVC elbow - Google Patents

Abstract

The utility model relates to a connecting piece for a UPVC (unified power flow control) elbow, which comprises a front elbow, wherein a main clamping block is sleeved outside the front elbow, one side of the main clamping block is connected with an auxiliary clamping block, the inside of the main clamping block and the inside of the auxiliary clamping block are connected with connecting bolts in a penetrating way, one end of the front elbow is fixedly connected with a first connecting plate, one side of the connecting plate is provided with a rear elbow, the outside of the rear elbow is connected with a clamping ring, and one side of the clamping ring, which is positioned at the end part of the rear elbow, is provided with a second connecting plate. According to the utility model, the main clamping block and the auxiliary clamping block are arranged, the first connecting plate and the second connecting plate are tightly pressed together through the pressure when the main clamping block and the auxiliary clamping block are connected through the connecting bolt, the annular sealing groove and the annular gasket on the first connecting plate can be respectively connected with the annular bulge and the annular groove on the second connecting plate, so that the joint of the first connecting plate and the second connecting plate can be sealed in two layers, the sealing effect in the process of connecting a pipeline is improved, and the phenomenon of water leakage caused by looseness of the joint of the pipeline is prevented.

Description

Connecting piece for UPVC elbow

Technical Field

The utility model relates to a connecting piece for a UPVC elbow, and belongs to the technical field of pipeline connection.

Background

UPVC pipe is a plastic pipe with polyvinyl chloride (PVC) resin as raw material and without plasticizer. With the development of chemical industry technology, non-toxic grade pipe can be produced, so that the polyvinyl chloride pipe has the performance of common polyvinyl chloride, and has some excellent performances, in particular, the polyvinyl chloride pipe has the advantages of good corrosion resistance and flexibility, and is particularly suitable for water supply networks.

When the UPVC bent pipe is connected, the interconnected bent pipes are generally connected through internal and external threads, the connecting and sealing structure is simple, and when the UPVC bent pipe is used for a long time, the pipeline connecting position is easy to loosen due to the impact of water pressure and flowing water in the pipeline to the pipeline, so that the pipeline is leaked, and the pipeline connection is not facilitated.

Disclosure of utility model

The utility model aims to provide a connecting piece for a UPVC bent pipe, which is characterized in that a main clamping block and an auxiliary clamping block are arranged, a connecting plate I is arranged on a front bent pipe, a connecting plate II is arranged on a rear bent pipe, the connecting plate I and the connecting plate II are tightly pressed together through the pressure when the main clamping block and the auxiliary clamping block are connected through a connecting bolt, and an annular sealing groove and an annular gasket on the connecting plate I can be respectively connected with an annular bulge and an annular groove on the connecting plate II, so that two layers of sealing can be carried out on the connecting position of the connecting plate I and the connecting plate II, the sealing effect in the process of connecting a pipeline is improved, and the phenomenon that the connecting position of the pipeline is loosened and water leakage is caused is prevented, so that the problems in the prior art are solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The utility model provides a UPVC connecting piece for return bend, includes the return bend before, main fixture block has been cup jointed to preceding return bend outside, main fixture block one side is connected with vice fixture block, main fixture block and the inside through connection of vice fixture block have connecting bolt, preceding return bend one end fixedly connected with connecting plate one, connecting plate one side is equipped with the return bend after, return bend external connection has the snap ring after, snap ring one side is located the return bend tip is equipped with connecting plate two after.

Further, the upper side and the lower side of the main clamping block are fixedly connected with positioning blocks, grooves for accommodating the positioning blocks are formed in the auxiliary clamping blocks, fastening bolts are connected to the upper side of the inner parts of the auxiliary clamping blocks, screw holes for accommodating the fastening bolts are formed in the positioning blocks, and the fastening bolts are connected to the inner parts of the positioning blocks.

Further, the front elbow is provided with the same clamping ring as the rear elbow, the rear elbow is provided with the same main clamping block and auxiliary clamping block as the front elbow, and the main clamping block and the auxiliary clamping block are sleeved outside the front elbow and the rear elbow.

Furthermore, the number of the connecting bolts is four, and the connecting bolts are respectively arranged at the corners of the edges of the main clamping block and the auxiliary clamping block.

Further, annular grooves for accommodating the clamping rings are formed in the main clamping blocks and the auxiliary clamping blocks, and the main clamping blocks and the auxiliary clamping blocks are respectively abutted against one side of the first connecting plate and one side of the second connecting plate.

Further, the diameter of the first connecting plate is the same as the diameter of the second connecting plate, annular sealing grooves are formed in one side of the first connecting plate, annular gaskets are arranged on the outer sides of the annular sealing grooves, annular protrusions and annular grooves corresponding to the annular sealing grooves and the annular gaskets are arranged in the second connecting plate, and rubber sealing rings are arranged in the annular sealing grooves and the annular grooves.

The beneficial effects of the utility model are as follows:

Through setting up main fixture block and vice fixture block to set up connecting plate one on preceding return bend, set up connecting plate two on the return bend of back, all be equipped with main fixture block and vice fixture block on preceding return bend and the return bend of back simultaneously, when using connecting bolt to take up the main fixture block and the vice fixture block of both sides, main fixture block and vice fixture block can drive connecting plate one, connecting plate two remove each other and tightly press together, annular seal groove and the annular packing ring on connecting plate one can be connected with annular arch, the ring channel on connecting plate two respectively, thereby can carry out two-layer sealing to connecting plate one, connecting plate two junction, sealing effect when improving the pipe connection, the phenomenon that takes place to leak that prevents that the pipe connection department from taking place to become flexible.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the description serve to explain the utility model.

FIG. 1 is a front view of a connector for a UPVC elbow of the present utility model;

FIG. 2 is a schematic diagram of a connection structure between a main clamping block and an auxiliary clamping block of a connecting piece for a UPVC elbow of the present utility model;

FIG. 3 is a schematic diagram of a snap ring structure of a connector for a UPVC elbow of the present utility model;

FIG. 4 is an enlarged view of the area A of FIG. 3 of a connector for a UPVC hose of the present utility model;

Reference numerals in the drawings: 1. a front elbow; 2. a main clamping block; 3. an auxiliary clamping block; 4. a connecting bolt; 5. a first connecting plate; 6. a rear elbow; 7. a clasp; 8. a second connecting plate; 9. a positioning block; 10. a fastening bolt; 11. an annular seal groove; 12. an annular gasket.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1: referring to fig. 1-4, the present utility model provides a technical solution:

The utility model provides a UPVC connecting piece for return bend, includes return bend 1 before, main fixture block 2 has been cup jointed to preceding return bend 1 outside, main fixture block 2 one side is connected with vice fixture block 3, main fixture block 2 and the inside through connection of vice fixture block 3 have connecting bolt 4, preceding return bend 1 one end fixedly connected with connecting plate one 5, connecting plate one 5 sides is equipped with back return bend 6, back return bend 6 external connection has snap ring 7, snap ring 7 one side is located back return bend 6 tip is equipped with connecting plate two 8.

Specifically, the locating block 9 is fixedly connected to the upper side and the lower side of the main clamping block 2, the groove for accommodating the locating block 9 is formed in the auxiliary clamping block 3, the fastening bolt 10 is connected to the upper side of the inner side of the auxiliary clamping block 3, the screw hole for accommodating the fastening bolt 10 is formed in the inner side of the locating block 9, the fastening bolt 10 is connected to the inner side of the locating block 9, the clamping ring 7 which is identical to that of the rear clamping block 6 is arranged on the front bent pipe 1, the main clamping block 2 and the auxiliary clamping block 3 which are identical to that of the front bent pipe 1 are arranged on the rear bent pipe 6, the main clamping block 2 and the auxiliary clamping block 3 are sleeved on the outer side of the front bent pipe 1 and the rear bent pipe 6, the connecting bolts 4 are four in number and are respectively arranged on corners of the edges of the main clamping block 2 and the auxiliary clamping block 3, the adjacent main clamping blocks 2 and the auxiliary clamping blocks 3 can be connected to each other through the fastening bolts 10, so that the main clamping blocks 2 and the auxiliary clamping blocks 3 can be fixedly connected to each other, and the auxiliary clamping blocks 3 can be connected to each other through the connecting bolts 4, and the main clamping blocks 2 and the auxiliary clamping blocks 3 can be connected to each other through the connecting plates 8.

Example 2: referring to fig. 3 and 4, the difference between the present embodiment and embodiment 1 is that: the main fixture block 2 with the inside ring channel that holds of vice fixture block 3 is equipped with of snap ring 7, just main fixture block 2 with vice fixture block 3 respectively with connecting plate one 5 connecting plate two 8 one sides conflict, connecting plate one 5 diameters with connecting plate two 8 diameters are the same, annular seal groove 11 has been seted up to connecting plate one 5 one sides, annular seal groove 11 outside is equipped with annular packing ring 12, connecting plate two 8 inside be equipped with annular seal groove 11 annular bulge and the ring channel that annular packing ring 12 corresponds, just all be equipped with rubber seal in annular seal groove 11 and the ring channel, annular seal groove 11 and the ring washer 12 on connecting plate one 5 can be connected on connecting plate two 8 to can be to connecting plate one 5 with connecting plate two 8 junction double-deck seal, improve the sealing effect that connecting plate one 5 and connecting plate two 8 are connected.

The working principle of the utility model is as follows: when the connecting plate I and the connecting plate II are aligned when the nuts and the connecting bolts 4 are used for compressing the main clamping block 2 and the auxiliary clamping block 3 on two sides, the connecting plate I5 and the connecting plate II 8 are aligned, the annular sealing groove 11 and the annular gasket 121 can be connected in the annular bulge and the annular groove on the connecting plate II 8, and finally the connecting bolts 4 are screwed in a diagonal screwing mode to fix the connecting plates I5 and the connecting plate II 8.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (6)

1. The utility model provides a UPVC connecting piece for return bend, includes preceding return bend (1), its characterized in that: main fixture block (2) has been cup jointed to preceding return bend (1) outside, main fixture block (2) one side is connected with vice fixture block (3), main fixture block (2) and the inside through connection of vice fixture block (3) have connecting bolt (4), preceding return bend (1) one end fixedly connected with connecting plate one (5), connecting plate one (5) side is equipped with back return bend (6), back return bend (6) external connection has snap ring (7), snap ring (7) one side is located back return bend (6) tip is equipped with connecting plate two (8).

2. A UPVC elbow connector according to claim 1, wherein: the novel clamping block is characterized in that positioning blocks (9) are fixedly connected to the upper side and the lower side of the main clamping block (2), grooves for accommodating the positioning blocks (9) are formed in the auxiliary clamping blocks (3), fastening bolts (10) are connected to the upper portion inside the auxiliary clamping blocks (3), screw holes for accommodating the fastening bolts (10) are formed in the positioning blocks (9), and the fastening bolts (10) are connected to the inner portions of the positioning blocks (9).

3. A UPVC elbow connector according to claim 1, wherein: the front elbow (1) is provided with the same clamping ring (7) as the rear elbow (6), the rear elbow (6) is provided with the same main clamping block (2) and auxiliary clamping block (3) as the front elbow (1), and the main clamping block (2) and the auxiliary clamping block (3) are sleeved outside the front elbow (1) and the rear elbow (6).

4. A UPVC elbow connector according to claim 1, wherein: the number of the connecting bolts (4) is four, and the connecting bolts are respectively arranged on corners of the edges of the main clamping block (2) and the auxiliary clamping block (3).

5. A UPVC elbow connector according to claim 1, wherein: the main clamping block (2) and the auxiliary clamping block (3) are internally provided with annular grooves for accommodating the clamping rings (7), and the main clamping block (2) and the auxiliary clamping block (3) are respectively abutted to one side of the first connecting plate (5) and one side of the second connecting plate (8).

6. A UPVC elbow connector according to claim 1, wherein: the diameter of the first connecting plate (5) is the same as that of the second connecting plate (8), an annular sealing groove (11) is formed in one side of the first connecting plate (5), an annular gasket (12) is arranged outside the annular sealing groove (11), annular protrusions and annular grooves corresponding to the annular gasket (12) are arranged inside the second connecting plate (8), and rubber sealing rings are arranged in the annular sealing groove (11) and the annular grooves.