CN218965814U

CN218965814U - Rotary joint for glass drilling equipment

Info

Publication number: CN218965814U
Application number: CN202223554485.8U
Authority: CN
Inventors: 崔洪昌
Original assignee: Foshan City Nanhai District Hongchang Jufa Electromechanical Valve Co ltd
Current assignee: Foshan City Nanhai District Hongchang Jufa Electromechanical Valve Co ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-05-05
Anticipated expiration: 2032-12-28

Abstract

The utility model relates to the technical field of rotary joints, in particular to a rotary joint for glass drilling equipment, which comprises a joint shell and a central shaft, wherein one end of the joint shell is provided with a through groove, a static ring is arranged in the through groove, one end of the central shaft is arranged in the through groove and is tightly abutted against the static ring, the other end of the central shaft extends out of the through groove, one end of the joint shell is provided with a waterproof cover fixedly connected with the central shaft, a cavity communicated with the outside is formed between the waterproof cover and the joint shell, the waterproof cover is fixedly connected with the central shaft through the arrangement of the waterproof cover, cooling water in the joint shell can be prevented from flowing down along the central shaft, a cavity communicated with the outside is formed between the waterproof cover and the joint shell, the cavity can temporarily store the flowing cooling water, and the cooling water in the cavity is thrown out along with the rotation of the glass drilling head, so that the cooling water is prevented from damaging a motor.

Description

Rotary joint for glass drilling equipment

Technical Field

The utility model relates to the technical field of rotary joints, in particular to a rotary joint for glass drilling equipment.

Background

The utility model discloses a glass drilling equipment is last needs to connect the brill sword through rotary joint to guarantee to pass through rotary joint to the glass water injection when drilling, keep glass moist, in order to prevent glass fracture or cause the brill sword to damage when drilling, however rotary joint installs in the motor top, and connect on the motor shaft, the brill sword is installed to the motor bottom, rotary joint's entry intercommunication water injection pipe, export intercommunication motor shaft, rethread motor shaft communicates on the brill sword, and current rotary joint structure leakproofness is not enough, and because rotary joint needs the connecting tube and do rotary motion, during the use or less have the cooling water to flow in the joint, the cooling water that flows out causes the damage of motor along the motor department that flows to the bottom.

Disclosure of Invention

The utility model provides a rotary joint for glass drilling equipment, which aims to prevent cooling water from flowing to a motor to cause damage.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a rotary joint for glass drilling equipment, includes joint housing and center pin, joint housing one end is equipped with logical groove, be provided with quiet ring in the logical groove, center pin one end sets up in logical inslot, and tightly supports in quiet ring, and the other end extends to outside the logical groove, joint housing one end is provided with the waterproof lid of fixed connection in the center pin, be formed with the outside cavity of intercommunication between waterproof lid and the joint housing.

Further, a spring is arranged in the through groove, one end of the spring is tightly abutted to the bottom of the through groove, and the other end of the spring is tightly abutted to the stationary ring.

Further, an O-ring is arranged between the spring and the stationary ring.

Further, a backing ring is arranged between the stationary ring and the central shaft, a groove is formed in the middle of one end face of the central shaft, and the backing ring is arranged in the groove and abuts against the stationary ring tightly.

Further, the waterproof cover comprises a bottom plate and an outer ring, the bottom plate is fixedly connected to the central shaft, and one side, far away from the bottom plate, of the outer ring extends out of the connector shell and is in clearance fit with the outer side of the connector shell.

Further, an opening communicated with the through groove is formed in the outer side of the connector shell.

Compared with the prior art, the utility model has the beneficial effects that: through the setting of waterproof lid, waterproof lid fixed connection can prevent that the cooling water in the joint casing from flowing down along the center pin, is formed with the outside cavity of intercommunication between waterproof lid and the joint casing moreover, and this cavity can temporarily store the cooling water that flows to along with the rotation of glass drilling head, throws away the cooling water in the cavity, prevents that cooling water from flowing to the motor from causing the damage to the motor.

Drawings

Fig. 1 is a perspective view of the present utility model.

Fig. 2 is an exploded view of the present utility model.

Fig. 3 is a cross-sectional view of the present utility model.

Fig. 4 is a perspective view of the waterproof cover in the present utility model.

Fig. 5 is a schematic diagram showing connection between a rotary joint and a motor in the present utility model.

In the figure: 1. a joint housing; 2. a central shaft; 3. a waterproof cover; 4. a stationary ring; 5. a spring; 6. a backing ring; 7. a motor; 10. a through groove; 20. a groove; 30. a cavity; 31. a bottom plate; 32. an outer ring; 44. an O-ring; 100. an opening; 200. a through hole; 201. and (3) a bearing.

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.

As shown in the drawing, the rotary joint for glass drilling equipment comprises a joint housing 1 and a central shaft 2, wherein a through hole 200 penetrating through two end faces is formed in the middle of the central shaft 2 for cooling water to circulate, a countersink is formed in one end, far away from the joint housing 1, of the central shaft 2, the countersink is arranged on the through hole 200, an inclined surface is arranged on the inner side of the countersink, the installation is convenient, the sealing performance after the installation is better, the motor 7 is better connected, cooling water is prevented from seeping out from one end, close to the motor 7, of the central shaft 2, a through groove 10 is formed in one end of the joint housing 1, the through groove 10 is communicated with the through hole 200 to form a water injection channel, a static ring 4 is arranged in the through groove 10, one end of the central shaft 2 is arranged in the through groove 10 and tightly abutted against the static ring 4, the other end extends out of the through groove 10, a waterproof cover 3 fixedly connected to the central shaft 2 is arranged at one end of the joint housing 1, an opening is formed in the center of the waterproof cover 3, threads are arranged on the inner side of the opening, a connecting part connected to the waterproof cover 3 is arranged on the outer side of the central shaft 2, threads are arranged on the connecting part of the connecting part, the waterproof cover is also arranged on the outer side of the connecting part, the waterproof cover 3 is connected with the waterproof cover 3, the waterproof cover 3 is connected with one side of the central shaft 2, the waterproof cover 3 is connected with the waterproof cover 3 through the through groove 2, the rotary joint housing 201 is connected with the bearing housing 201, and the rotary joint housing 201 is rotatably connected with the outside through the bearing housing 2, and the bearing 2, and the rotary joint is formed through the rotary joint, and is connected with the bearing 2.

According to the principle and effect of the rotary joint for glass drilling equipment, through the arrangement of the waterproof cover 3, the waterproof cover 3 is fixedly connected to the central shaft 2, cooling water enters the through groove 10 of the joint housing 1, the joint housing 1 is static, the central shaft 2 is fixedly connected with the bottom motor 7 and rotates along with the motor 7, cooling water in the through groove 10 enters the central shaft 2 and is conveyed to the action head at the bottom of the motor 7 through the central shaft 2, part of cooling water in the through groove 10 can seep out through a gap between the joint housing 1 and the central shaft 2, at the moment, the waterproof cover 3 can catch the seeped cooling water, the cooling water in the joint housing 1 is prevented from flowing down along the central shaft 2, a cavity 30 communicated with the outside is formed between the waterproof cover 3 and the joint housing 1, the seeped cooling water flows to the waterproof cover 3 along the outer wall of the central shaft 2, the cavity 30 can temporarily store the outflowed cooling water, and with the rotation of the glass drilling head, the cooling water in the cavity 30 is thrown out along with the rotation of the action head at the bottom of the motor 7, and the cooling water is prevented from flowing out of the gap between the waterproof cover 3 and the joint housing 1 along with the rotation of the central shaft, and the motor 7 is prevented from damaging.

In this embodiment, the inside spring 5 that is provided with of logical groove 10, spring 5 one end is tightly supported in logical groove 10 bottom, and the other end is tightly supported in quiet ring 4, and spring 5 mainly makes quiet ring 4 can be tightly supported in center pin 2, thereby the gap between the extrusion reaches sealed effect, and guaranteed that the gap between quiet ring 4 and center pin 2 can not increase after long-term use, spring 5 is in compressed state, after certain gap appears in the wearing and tearing of seal ring such as quiet ring 4, the restoring force of spring 5 self promotes quiet ring 4 for quiet ring 4 tightly supports center pin 2 again and fills the gap, thereby make quiet ring 4 can remain tightly to support center pin 2 throughout, be provided with O circle 44 between spring 5 and the quiet ring 4, this O circle can adopt elastic plastics preparation such as fluorine gum, O circle 44 cover is located quiet ring 4 top, and tightly supports in quiet ring 4 under the effect through spring 5, improve the leakproofness of water injection passageway, still can set up between O circle 44 and the spring 5.

In this embodiment, a backing ring 6 is disposed between the stationary ring 4 and the central shaft 2, a groove 20 is disposed in the middle of one end surface of the central shaft 2, and the backing ring 6 is disposed in the groove 20 and abuts against the stationary ring 4, so as to further seal the connection between the central shaft 2 and the stationary ring 4.

In this embodiment, the waterproof cover 3 includes a bottom plate 31 and an outer ring 32, the bottom plate 31 is fixedly connected to the central shaft 2, one side of the outer ring 32 away from the bottom plate 31 extends to the outside of the connector housing 1, and is in clearance fit with the outside of the connector housing 1, the shape of the waterproof cover 3 is as shown in the figure, and the gap between the outer ring 32 and the connector housing 1 is a channel for communicating the outside of the cavity 30, so that a channel is provided for the throwing out of cooling water.

In this embodiment, an opening 100 communicating with the through groove 10 is provided on the outside of the joint housing 1, the opening 100 is an inlet of the water injection channel, that is, an inlet of cooling water into the rotary joint, and is connected to the water injection pipe, one end of the central shaft 2, which is far away from the joint housing 1, is an outlet, and the end is connected to the motor 7.

The above embodiments are preferred embodiments of the present utility model, and all similar structures and equivalent modifications are intended to fall within the scope of the present utility model.

Claims

1. A rotary joint for glass drilling equipment, characterized in that: including joint casing (1) and center pin (2), joint casing (1) one end is equipped with logical groove (10), be provided with quiet ring (4) in logical groove (10), center pin (2) one end sets up in logical groove (10), and tightly supports in quiet ring (4), and the other end extends to outside logical groove (10), joint casing (1) one end is provided with waterproof lid (3) of fixed connection in center pin (2), be formed with between waterproof lid (3) and the joint casing (1) and communicate outside cavity (30).

2. A rotary joint for glass drilling equipment according to claim 1, wherein: the inside spring (5) that is provided with of logical groove (10), spring (5) one end is tightly supported in logical groove (10) bottom, and the other end is tightly supported in quiet ring (4).

3. A rotary joint for glass drilling equipment according to claim 2, characterized in that: an O-ring (44) is arranged between the spring (5) and the stationary ring (4).

4. A rotary joint for glass drilling equipment according to claim 1, wherein: a backing ring (6) is arranged between the static ring (4) and the central shaft (2), a groove (20) is formed in the middle of one end face of the central shaft (2), and the backing ring (6) is arranged in the groove (20) and tightly abuts against the static ring (4).

5. A rotary joint for glass drilling equipment according to claim 1, wherein: the waterproof cover (3) comprises a bottom plate (31) and an outer ring (32), the bottom plate (31) is fixedly connected to the central shaft (2), and one side, far away from the bottom plate (31), of the outer ring (32) extends out of the joint housing (1) and is in clearance fit with the outer side of the joint housing (1).

6. A rotary joint for glass drilling equipment according to claim 1, wherein: an opening (100) communicated with the through groove (10) is formed in the outer side of the connector shell (1).