CN218954258U

CN218954258U - Inlet pipe connection structure of rotor pump

Info

Publication number: CN218954258U
Application number: CN202223511228.6U
Authority: CN
Inventors: 郎京龙
Original assignee: Anhui Papson Pump Co ltd
Current assignee: Anhui Papson Pump Co ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-05-02
Anticipated expiration: 2032-12-28

Abstract

The utility model discloses an inlet pipe connecting structure of a rotor pump, which comprises an inlet pipe of the rotor pump and a water inlet pipe, wherein an external thread part and a mounting ring are arranged on the inlet pipe of the rotor pump, a locking knob is sleeved on the external thread part in a threaded manner, a wedge-shaped ring is fixedly arranged on one side of the locking knob, four groups of limiting sliding grooves are uniformly formed on the periphery side of the mounting ring, four groups of limiting columns are slidably arranged in the four groups of limiting sliding grooves, wedge-shaped blocks are fixedly arranged on one sides of the four groups of limiting columns, inclined surfaces of the wedge-shaped blocks are contacted with inclined surfaces of the wedge-shaped ring, L-shaped clamping blocks are fixedly arranged on the other sides of the four groups of limiting columns, one end of the water inlet pipe is sleeved on an inner lining pipe of the inlet pipe of the rotor pump, and the four groups of L-shaped clamping blocks are clamped on a fixing ring on the water inlet pipe to fix the water inlet pipe. The water inlet pipe can be fixed by rotating the locking knob to enable the four groups of L-shaped clamping blocks to move relatively close to each other, the limit of the four groups of L-shaped fixing blocks is canceled by rotating the locking knob reversely, and the water inlet pipe can be detached, and the rotor pump inlet pipe and the water inlet pipe are detached and separated and are convenient to fix and install.

Description

Inlet pipe connection structure of rotor pump

Technical Field

The utility model relates to the technical field of connecting structures, in particular to an inlet pipe connecting structure of a rotor pump.

Background

A rotor pump is a pump in which the working volume is changed by a relative motion between a rotor and a pump body, and thus the energy of liquid is increased. A rotary positive displacement pump is a type of rotary positive displacement pump that has positive displacement properties and flow rates that do not vary with back pressure.

However, most of the existing rotor pump inlet pipes and water inlet pipes are connected by bolts and nuts, and the mode of the connection of the bolts and the nuts is inconvenient for disassembly and separation and fixed installation between the water inlet pipes and the rotor pump inlet pipes, so that the inlet pipe connection structure of the rotor pump is provided for solving the technical problems.

Disclosure of Invention

The utility model aims to provide an inlet pipe connecting structure of a rotor pump, which can effectively solve the problems.

The aim of the utility model can be achieved by the following technical scheme:

the utility model provides an intake manifold connection structure of rotor pump, includes rotor pump intake manifold and inlet tube, be provided with external screw thread portion and collar on the rotor pump intake manifold, the thread bush is equipped with locking knob on the external screw thread portion, locking knob's one side is fixed to be provided with the wedge ring, four sets of limit slide ways have evenly been seted up to the week side of collar, four sets of all slide in the limit slide way and be provided with four sets of spacing posts, four sets of the equal fixed wedge that is provided with in one side of spacing post, the inclined plane of wedge with wedge ring's inclined plane contact, four sets of the opposite side of spacing post is all fixed to be provided with L type fixture block, four sets of L type fixture block card is established on the solid fixed ring on the inlet tube is fixed to the inlet tube.

Further, a limiting ring is fixedly arranged on the rotor pump inlet pipe, a threaded hole is formed in the limiting ring, a fixing knob is arranged in the threaded hole in a threaded mode, and one end of the fixing knob abuts against the other side of the locking knob to limit the locking knob.

Further, a first mounting groove is formed in one side of the locking knob, an anti-slip pad is fixedly embedded in the first mounting groove, and one end of the fixing knob abuts against the anti-slip pad.

Further, reset springs are arranged at the lower ends of the four groups of limiting columns, and the lower ends of the reset springs are propped against the lower ends of the limiting sliding grooves.

Further, the inner side of the L-shaped clamping block is provided with an L-shaped rubber pad, two groups of T-shaped connecting blocks are fixedly arranged on the L-shaped rubber pad, two groups of T-shaped connecting grooves are formed in the inner side of the L-shaped clamping block, and the T-shaped connecting blocks are slidably clamped in the T-shaped connecting grooves to fix the L-shaped rubber pad.

Further, a second mounting groove is formed in one end of the rotor pump inlet pipe, a sealing gasket is embedded in the second mounting groove, and one side of the sealing gasket is clung to the fixing ring.

The utility model has the beneficial effects that:

when the water inlet pipe is installed, the end of the water inlet pipe with the fixing ring is sleeved on the lining pipe and is attached to the fixing ring, then the locking knob is rotated to enable the locking knob to move along the external thread part, the locking knob is moved to drive the wedge ring to move, the wedge ring moves to squeeze the four groups of wedge blocks to enable the four groups of wedge blocks to drive the four groups of limiting columns to move relatively close to each other, the four groups of limiting columns move relatively close to each other to drive the four groups of L-shaped clamping blocks to move relatively close to each other, at the moment, the four groups of L-shaped clamping blocks can be clamped on the fixing ring to fix the fixing ring, and therefore the water inlet pipe is fixed on the inlet pipe of the rotor pump, and the installation is convenient.

When the water inlet pipe needs to be disassembled, the locking knob is rotated in the reverse direction to enable the wedge-shaped ring to move in the reverse direction to cancel extrusion force on the four groups of wedge-shaped blocks, at the moment, the water inlet pipe can be disassembled relatively far away from the four groups of L-shaped clamping blocks, the disassembly is convenient, and the disassembly and the separation and the fixed installation of the rotor pump inlet pipe and the water inlet pipe are convenient.

Drawings

The utility model is further described below with reference to the accompanying drawings.

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is an exploded view of the present utility model;

FIG. 3 is an exploded view of an L-shaped latch according to the present utility model;

fig. 4 is an exploded view of the locking knob of the present utility model.

In the figure, the correspondence between the component names and the drawing numbers is:

101. a rotor pump inlet pipe; 102. a water inlet pipe; 103. an L-shaped clamping block; 104. a locking knob; 105. fixing a knob; 106. a mounting ring; 107. limiting sliding grooves; 108. a wedge ring; 109. a limiting ring; 110. an external thread portion; 111. a second mounting groove; 112. a sealing gasket; 113. wedge blocks; 114. a limit column; 115. a T-shaped joint block; 116. an L-shaped rubber pad; 117. a T-shaped engagement groove; 118. an inner liner tube; 119. a first mounting groove; 120. an anti-slip pad; 121. and a return spring.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Examples:

as shown in fig. 1 to 4, an inlet pipe connection structure of a rotor pump comprises a rotor pump inlet pipe 101 and a water inlet pipe 102, wherein an external thread part 110 and a mounting ring 106 are arranged on the rotor pump inlet pipe 101, a locking knob 104 is sleeved on the external thread part 110 in a threaded manner, a wedge-shaped ring 108 is fixedly arranged on one side of the locking knob 104, four groups of limiting sliding grooves 107 are uniformly formed in the periphery of the mounting ring 106, four groups of limiting columns 114 are slidably arranged in the four groups of limiting sliding grooves 107, wedge-shaped blocks 113 are fixedly arranged on one sides of the four groups of limiting columns 114, inclined surfaces of the wedge-shaped blocks 113 are contacted with inclined surfaces of the wedge-shaped ring 108, L-shaped clamping blocks 103 are fixedly arranged on the other sides of the four groups of limiting columns 114, one end of the water inlet pipe 102 is sleeved on an inner liner pipe 118 of the rotor pump inlet pipe 101, and the four groups of L-shaped clamping blocks 103 are clamped on a fixing ring on the water inlet pipe 102 to fix the water inlet pipe 102.

When the water inlet pipe 102 is installed, the end of the water inlet pipe 102 with the fixing ring is sleeved on the inner liner pipe 118 and is attached to the fixing ring and the mounting ring 106, then the locking knob 104 is rotated to enable the locking knob 104 to move along the external threaded portion 110, the locking knob 104 is moved to drive the wedge ring 108 to move, the wedge ring 108 is moved to squeeze the four groups of wedge blocks 113 to enable the four groups of limit posts 114 to drive the four groups of L-shaped clamping blocks 103 to move relatively close to each other, the four groups of limit posts 114 move relatively close to each other to drive the four groups of L-shaped clamping blocks 103 to move relatively close to each other, at the moment, the four groups of L-shaped clamping blocks 103 can be clamped on the fixing ring to fix the fixing ring, so that the water inlet pipe 102 is fixed on the inlet pipe 101 of the rotor pump, the installation is convenient, when the water inlet pipe 102 needs to be detached, the extrusion force to the four groups of wedge blocks 113 is cancelled by reversely rotating the locking knob 104, at the moment, the water inlet pipe 102 can be detached relatively far away from the four groups of L-shaped clamping blocks 103, and the detachment and fixing installation is convenient.

Referring to fig. 2, a limiting ring 109 is fixedly arranged on the rotor pump inlet pipe 101, a threaded hole is formed in the limiting ring 109, a fixing knob 105 is arranged in the threaded hole in a threaded manner, one end of the fixing knob 105 props against the other side of the locking knob 104 to limit the locking knob 104, and the stability of the locking knob 104 for extruding four groups of wedge blocks 113 can be improved by arranging the fixing knob 105 to prop against the locking knob 104, so that the stability of the fixed water inlet pipe 102 is improved, and the locking knob 104 is prevented from being influenced by external force to rotate to loosen the water inlet pipe 102.

Referring to fig. 2 and 4, a first mounting groove 119 is formed in one side of the locking knob 104, an anti-slip pad 120 is embedded and fixed in the first mounting groove 119, one end of the fixing knob 105 is propped against the anti-slip pad 120, and friction force between the fixing knob 105 and the locking knob 104 can be improved by arranging the anti-slip pad 120, so that stability of the fixing knob 105 in limiting the locking knob 104 is improved, extrusion damage to the locking knob 104 is avoided, and service life of the locking knob 104 is prolonged.

Referring to fig. 2 and 3, return springs 121 are disposed at the lower ends of the four sets of limiting posts 114, the lower ends of the return springs 121 abut against the lower ends of the limiting sliding grooves 107, and by disposing the return springs 121, when the locking knob 104 is rotated to enable the wedge-shaped ring 108 to cancel the extrusion force to the four sets of wedge-shaped blocks 113, the reaction force of the four sets of return springs 121 enables the four sets of limiting posts 114 to move relatively far away, the four sets of limiting posts 114 can be moved relatively far away, so that the four sets of L-shaped clamping blocks 103 can be driven to move relatively far away, and can be separated from the fixing ring, at this time, the water inlet pipe 102 can be directly detached, and the water inlet pipe 102 is convenient to detach.

Referring to fig. 2 and 3, an L-shaped rubber pad 116 is disposed on the inner side of the L-shaped clamping block 103, two sets of T-shaped engagement blocks 115 are fixedly disposed on the L-shaped rubber pad 116, two sets of T-shaped engagement grooves 117 are disposed on the inner side of the L-shaped clamping block 103, the T-shaped engagement blocks 115 are slidably clamped in the T-shaped engagement grooves 117 to fix the L-shaped rubber pad 116, and the tightness of contact between the L-shaped clamping block 103 and the fixing ring can be improved by arranging the L-shaped rubber pad 116, so that the fixing firmness of the fixing ring is improved, extrusion damage to the fixing ring is avoided, and meanwhile, the L-shaped rubber pad 116 is connected with the L-shaped clamping block 103 in a clamping manner, so that the L-shaped rubber pad 116 of a fragile part is convenient to replace.

Referring to fig. 2, a second installation groove 111 is formed at one end of the rotor pump inlet pipe 101, a sealing pad 112 is embedded in the second installation groove 111, one side of the sealing pad 112 is tightly attached to the fixing ring, and the tightness of connection between the rotor pump inlet pipe 101 and the water inlet pipe 102 can be improved by arranging the sealing pad 112.

The working principle of the utility model is as follows: firstly, the end of the water inlet pipe 102 with the fixing ring is sleeved on the lining pipe 118, the fixing ring is attached to the sealing gasket 112 on the mounting ring 106, then the locking knob 104 is rotated to enable the locking knob 104 to move along the external thread part 110, the locking knob 104 is moved to drive the wedge ring 108 to move, the wedge ring 108 is moved to squeeze the four groups of wedge blocks 113 to enable the four groups of wedge blocks 113 to drive the four groups of limiting posts 114 to move relatively close to each other, the four groups of limiting posts 114 are moved relatively close to each other to drive the four groups of L-shaped clamping blocks 103 to move relatively close to each other, at the moment, the four groups of L-shaped clamping blocks 103 can be clamped on the fixing ring to fix the fixing ring, so that the water inlet pipe 102 is fixed on the rotor pump inlet pipe 101, finally, the locking knob 104 can be limited by rotating the fixing knob 105, the fixing knob 102 is enabled to be supported against the anti-slip gasket 120 on the locking knob 104, the stability of the fixing water inlet pipe 102 is improved, the water inlet pipe 102 is convenient to mount the water inlet pipe 102, when the water inlet pipe 102 needs to be dismounted, firstly, the fixing knob 105 is reversely rotated to enable the four groups of wedge blocks 113 to drive the four groups of wedge blocks to move relatively close to each other, the four groups of wedge blocks 114 can be dismounted conveniently, the four groups of wedge blocks 113 are reversely moved to drive the four groups of wedge blocks to move relatively close to each other, the four groups of L-shaped blocks 103 can be moved relatively close to the moving to the four groups of wedge blocks, the four groups of L-shaped blocks 103 can be driven by reversely rotating the anti-rotating locking knob 104 to move the anti-rotating blocks, the anti-rotating spring, the anti-rotating device, the anti-extrusion force spring is driven by the anti-rotating device, the four groups of the four-moving device, and the replacement device can move the replacement device and the replacement move the replacement device, and the replacement device can move the replacement and the replacement move the replacement.

Claims

1. Intake pipe connection structure of rotor pump, including rotor pump intake pipe (101) and inlet tube (102), its characterized in that: be provided with external screw thread portion (110) and collar (106) on rotor pump import pipe (101), threaded sleeve is equipped with locking knob (104) on external screw thread portion (110), locking knob (104)'s one side is fixed to be provided with wedge ring (108), four groups of limit chute (107) have evenly been seted up to the week side of collar (106), four groups in limit chute (107) all slide and be provided with four groups spacing post (114), four groups spacing post (114) one side is all fixed to be provided with wedge (113), the inclined plane of wedge (113) with wedge ring (108) inclined plane contact, four groups spacing post (114) the opposite side is all fixed to be provided with L type fixture block (103), the one end cover of inlet tube (102) is established on rotor pump import pipe (101) lining pipe (118), four groups of L type fixture block (103) card are established on the fixed ring on inlet tube (102) pair of inlet tube (102).

2. An inlet pipe connection structure of a rotor pump according to claim 1, wherein: the rotor pump is characterized in that a limiting ring (109) is fixedly arranged on the rotor pump inlet pipe (101), a threaded hole is formed in the limiting ring (109), a fixing knob (105) is arranged in the threaded hole in a threaded mode, and one end of the fixing knob (105) abuts against the other side of the locking knob (104) to limit the locking knob (104).

3. An inlet pipe connection structure of a rotor pump according to claim 2, characterized in that: a first mounting groove (119) is formed in one side of the locking knob (104), an anti-slip pad (120) is fixedly embedded in the first mounting groove (119), and one end of the fixing knob (105) abuts against the anti-slip pad (120).

4. An inlet pipe connection structure of a rotor pump according to claim 1, wherein: the lower ends of the four groups of limiting posts (114) are respectively provided with a return spring (121), and the lower ends of the return springs (121) are propped against the lower ends of the limiting sliding grooves (107).

5. An inlet pipe connection structure of a rotor pump according to claim 1, wherein: the inner side of L type fixture block (103) is provided with L type rubber pad (116), fixed being provided with two sets of T type joint piece (115) on L type rubber pad (116), two sets of T type linking groove (117) have been seted up to the inboard of L type fixture block (103), T type joint piece (115) slip card is established in T type linking groove (117) are fixed L type rubber pad (116).

6. An inlet pipe connection structure of a rotor pump according to claim 1, wherein: a second mounting groove (111) is formed in one end of the rotor pump inlet pipe (101), a sealing gasket (112) is embedded in the second mounting groove (111), and one side of the sealing gasket (112) is tightly attached to the fixing ring.