阅读说明：本技术 一种纵向密封位置调节式密封结构 (Longitudinal sealing position adjusting type sealing structure ) 是由 陶伟 陶军根 于 2021-08-26 设计创作，主要内容包括：本发明公开了一种纵向密封位置调节式密封结构,包括外部连接环体、抵压密封环体、驱动组件、伸缩环体；本发明将抵压密封环体活动内置于外部连接环体上,通过旋转驱动杆,带动驱动内螺纹筒上下移动,从而带动纵向移动螺杆进行上下移动,从而通过连接横杆和定位侧板带动上环形连接板和下环形连接板上下移动,最终带动抵压密封环体进行上下移动,从而实现纵向密封位置的调节。(The invention discloses a longitudinal sealing position adjusting type sealing structure which comprises an external connecting ring body, a pressing sealing ring body, a driving assembly and a telescopic ring body, wherein the external connecting ring body is connected with the driving assembly; the abutting sealing ring body is movably arranged on the external connecting ring body, the driving rod is rotated to drive the internal thread cylinder to move up and down, so that the longitudinal moving screw rod is driven to move up and down, the upper annular connecting plate and the lower annular connecting plate are driven to move up and down through the connecting cross rod and the positioning side plate, and the abutting sealing ring body is finally driven to move up and down, so that the adjustment of the longitudinal sealing position is realized.)

1. A longitudinal sealing position adjusting type sealing structure is characterized by comprising an external connecting ring body, a pressing sealing ring body, a driving assembly and a telescopic ring body; an annular accommodating cavity is formed around the inner side of the external connection ring body; the two abutting sealing ring bodies are respectively arranged on the periphery of the inner part of the annular accommodating cavity in an up-and-down distribution manner; the driving assembly comprises a driving rod, a driving internal thread cylinder, a longitudinal moving screw rod, a connecting cross rod, an upper annular connecting plate, a lower annular connecting plate and a positioning side plate; the driving assembly is arranged in the annular accommodating cavity; the upper end of the abutting sealing ring body is provided with an upper annular connecting plate, and the lower end of the abutting sealing ring body is provided with a lower annular connecting plate; positioning side plates are respectively arranged on two sides of the upper annular connecting plate and the lower annular connecting plate; the outer sides of the positioning side plates are respectively provided with a connecting cross rod; two sides of the lower end of the external connection ring body are respectively rotatably clamped with a driving rod; the upper end of the driving rod extends into the annular accommodating cavity respectively, and a driving internal thread cylinder is mounted at the upper end of the driving rod; the internal thread at the upper end of the driving internal thread cylinder is rotatably inserted with a longitudinal moving screw rod; the upper end of the longitudinal moving screw rod is clamped in the upper end of the annular accommodating cavity in a sliding manner; the inner sides of the longitudinal moving screw rods are respectively connected with the outer end of one connecting cross rod; a telescopic ring body is arranged between the periphery of the upper end of the upper annular connecting plate and the inner wall of the upper end of the annular accommodating cavity; and a telescopic ring body is arranged between the periphery of the lower end of the lower annular connecting plate and the inner wall of the lower end of the annular accommodating cavity.

2. The longitudinal seal position adjusting seal arrangement according to claim 1, further comprising a guide limit mechanism; the guide limiting mechanism comprises a guide rod and a positioning cylinder; a positioning cylinder is respectively arranged in the upper ends of the two sides of the annular accommodating cavity; inserting grooves are respectively formed in the lower ends of the positioning cylinders; the lower end of the inserting groove is provided with a guide rod in a sliding inserting manner; the lower ends of the guide rods are respectively installed at the upper ends of the longitudinal moving screw rods.

3. The longitudinal sealing position adjusting type sealing structure according to claim 2, wherein the cross sections of the guide rod and the insertion groove of the positioning cylinder are rectangular.

4. The longitudinal sealing position adjusting type sealing structure according to claim 1, wherein rotary clamping grooves are respectively formed in both sides of the lower end of the external connection ring body, and driving grooves are respectively formed in the lower ends of the rotary clamping grooves; the lower end of the driving rod penetrates through the rotary clamping groove and extends into the driving groove; the periphery of the driving rod is provided with a rotary clamping ring; the rotary clamping ring is rotatably clamped in the rotary clamping groove; the lower end of the driving rod is provided with a driving plate, and the driving plate is located in the driving groove.

5. The longitudinal sealing position adjusting type sealing structure according to claim 4, wherein a sealing ring groove is formed around the upper end of the rotary clamping groove; an annular sealing ring is arranged around the upper side of the rotary clamping ring; the annular sealing ring is in sealing butt joint with the sealing ring groove.

6. The longitudinal sealing position adjusting type sealing structure according to claim 1, wherein a pressing spring is arranged inside the driving internal thread cylinder; two ends of the abutting spring respectively elastically abut against the inner part of the driving internal thread cylinder and the end part of the longitudinal moving screw rod.

7. The longitudinal seal position adjusting seal structure according to claim 1, wherein the pressing seal ring body is made of an elastic rubber.

8. The longitudinal seal position adjusting seal structure according to claim 1, wherein the outer connection ring is made of an aluminum alloy material.

9. The longitudinal seal position adjusting seal arrangement according to claim 1, wherein said telescoping ring body is an annular bellows.

Technical Field

The invention relates to a longitudinal sealing position adjusting type sealing structure.

Background

At present, a sealing ring is a common article for preventing oil, gas, water, dust and the like from leaking, most of the sealing ring is made of soft materials such as a metal outer ring and a rubber inner ring, the sealing ring mainly provides sealing force by the elasticity of the materials to realize a sealing effect, the cross section of the existing sealing ring is mostly in a standard circle or ellipse shape, the inner circumferential surface of the existing sealing ring is extruded to form an inner sealing surface, and the sealing ring with the structure is widely applied to various industries due to convenient manufacture and low cost; in the existing actual assembly, after the metal outer ring is installed on the sealing end face, the rubber sealing inner ring on the inner side of the metal outer ring cannot adjust the longitudinal position, so that the longitudinal sealing position cannot be adjusted, and the use is not flexible and convenient.

Disclosure of Invention

Aiming at the defects of the prior art, the invention solves the problems that: a longitudinal seal position adjusting seal structure is provided that can adjust the longitudinal seal position.

In order to solve the problems, the technical scheme adopted by the invention is as follows:

a longitudinal sealing position adjusting type sealing structure comprises an external connecting ring body, a pressing sealing ring body, a driving assembly and a telescopic ring body; an annular accommodating cavity is formed around the inner side of the external connection ring body; the two abutting sealing ring bodies are respectively arranged on the periphery of the inner part of the annular accommodating cavity in an up-and-down distribution manner; the driving assembly comprises a driving rod, a driving internal thread cylinder, a longitudinal moving screw rod, a connecting cross rod, an upper annular connecting plate, a lower annular connecting plate and a positioning side plate; the driving assembly is arranged in the annular accommodating cavity; the upper end of the abutting sealing ring body is provided with an upper annular connecting plate, and the lower end of the abutting sealing ring body is provided with a lower annular connecting plate; positioning side plates are respectively arranged on two sides of the upper annular connecting plate and the lower annular connecting plate; the outer sides of the positioning side plates are respectively provided with a connecting cross rod; two sides of the lower end of the external connection ring body are respectively rotatably clamped with a driving rod; the upper end of the driving rod extends into the annular accommodating cavity respectively, and a driving internal thread cylinder is mounted at the upper end of the driving rod; the internal thread at the upper end of the driving internal thread cylinder is rotatably inserted with a longitudinal moving screw rod; the upper end of the longitudinal moving screw rod is clamped in the upper end of the annular accommodating cavity in a sliding manner; the inner sides of the longitudinal moving screw rods are respectively connected with the outer end of one connecting cross rod; a telescopic ring body is arranged between the periphery of the upper end of the upper annular connecting plate and the inner wall of the upper end of the annular accommodating cavity; and a telescopic ring body is arranged between the periphery of the lower end of the lower annular connecting plate and the inner wall of the lower end of the annular accommodating cavity.

Further, the device also comprises a guide limiting mechanism; the guide limiting mechanism comprises a guide rod and a positioning cylinder; a positioning cylinder is respectively arranged in the upper ends of the two sides of the annular accommodating cavity; inserting grooves are respectively formed in the lower ends of the positioning cylinders; the lower end of the inserting groove is provided with a guide rod in a sliding inserting manner; the lower ends of the guide rods are respectively installed at the upper ends of the longitudinal moving screw rods.

Furthermore, the sections of the guide rod and the insertion groove of the positioning cylinder are both rectangular structures.

Furthermore, rotary clamping grooves are respectively formed in two sides of the lower end of the external connection ring body, and driving grooves are respectively formed in the lower ends of the rotary clamping grooves; the lower end of the driving rod penetrates through the rotary clamping groove and extends into the driving groove; the periphery of the driving rod is provided with a rotary clamping ring; the rotary clamping ring is rotatably clamped in the rotary clamping groove; the lower end of the driving rod is provided with a driving plate, and the driving plate is located in the driving groove.

Furthermore, a sealing ring groove is formed around the upper end of the rotary clamping groove; an annular sealing ring is arranged around the upper side of the rotary clamping ring; the annular sealing ring is in sealing butt joint with the sealing ring groove.

Furthermore, a pressing spring is arranged inside the driving internal thread cylinder; two ends of the abutting spring respectively elastically abut against the inner part of the driving internal thread cylinder and the end part of the longitudinal moving screw rod.

Further, the pressing seal ring body is made of elastic rubber.

Further, the external connection ring body is made of an aluminum alloy material.

Further, the telescopic ring body is an annular corrugated pipe.

The invention has the following beneficial effects:

the abutting sealing ring body is movably arranged on the external connecting ring body, the driving rod is rotated to drive the internal thread cylinder to move up and down, so that the longitudinal moving screw rod is driven to move up and down, the upper annular connecting plate and the lower annular connecting plate are driven to move up and down through the connecting cross rod and the positioning side plate, and the abutting sealing ring body is finally driven to move up and down, so that the adjustment of the longitudinal sealing position is realized.

Drawings

Fig. 1 is a longitudinal sectional structural view of the present invention.

Fig. 2 is an enlarged schematic view of one side of the present invention.

Fig. 3 is a partially enlarged view of the lower end of the driving rod according to the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 3, a longitudinal sealing position adjusting type sealing structure comprises an external connection ring body 1, a pressing sealing ring body 2, a driving assembly 3 and a telescopic ring body 4; an annular accommodating cavity 11 is formed around the inner side of the external connection ring body 1; the two abutting sealing ring bodies 2 are respectively arranged on the periphery of the inner part of the annular accommodating cavity 11 in an up-and-down distribution manner; the driving assembly 3 comprises a driving rod 31, a driving internal thread cylinder 32, a longitudinal moving screw 33, a connecting cross rod 34, an upper annular connecting plate 35, a lower annular connecting plate 36 and a positioning side plate 37; the driving component 3 is arranged inside the annular accommodating cavity 11; the upper end of the abutting sealing ring body 2 is provided with an upper annular connecting plate 35, and the lower end of the abutting sealing ring body 2 is provided with a lower annular connecting plate 36; positioning side plates 37 are respectively arranged on two sides of the upper annular connecting plate 35 and the lower annular connecting plate 36; the outer sides of the positioning side plates 37 are respectively provided with a connecting cross rod 34; two sides of the lower end of the external connection ring body 1 are respectively rotatably clamped with a driving rod 31; the upper ends of the driving rods 31 extend into the annular accommodating cavities 11 respectively, and driving internal thread cylinders 32 are mounted at the upper ends of the driving rods 31; the internal thread of the upper end of the driving internal thread cylinder 32 is rotatably inserted with a longitudinal moving screw 33; the upper end of the longitudinal moving screw rod 33 is slidably clamped in the upper end of the annular accommodating cavity 11; the inner sides of the longitudinal moving screws 33 are respectively connected with the outer end of a connecting cross rod 34; a telescopic ring body 4 is arranged between the periphery of the upper end of the upper annular connecting plate 35 and the inner wall of the upper end of the annular accommodating cavity 11; and a telescopic ring body 4 is arranged between the periphery of the lower end of the lower annular connecting plate 36 and the inner wall of the lower end of the annular accommodating cavity 11.

As shown in fig. 1 to 3, it is further preferable that the device further comprises a guide limiting mechanism 5; the guide limiting mechanism 5 comprises a guide rod 52 and a positioning cylinder 51; a positioning cylinder 51 is respectively arranged in the upper ends of the two sides of the annular accommodating cavity 11; inserting grooves are respectively arranged in the lower ends of the positioning cylinders 51; the lower end of the inserting groove is provided with a guide rod 52 in a sliding inserting manner; the lower ends of the guide rods 52 are respectively mounted to the upper ends of the longitudinal moving screws 33. Further, the cross sections of the insertion grooves of the guide rod 52 and the positioning cylinder 51 are both rectangular structures. Further, both sides of the lower end of the external connection ring body 1 are respectively provided with a rotary clamping groove 12, and the lower end of the rotary clamping groove 12 is respectively provided with a driving groove 13; the lower end of the driving rod 31 passes through the rotary clamping groove 12 and extends into the driving groove 13; a rotary clamping ring 311 is arranged around the driving rod 31; the rotary clamping ring 311 is rotatably clamped in the rotary clamping groove 12; the lower end of the driving rod 31 is provided with a driving plate 312, and the driving plate 312 is positioned in the driving groove 13. Further, a sealing ring groove 14 is formed around the upper end of the rotary clamping groove 12; an annular sealing ring 141 is arranged around the upper side of the rotary clamping ring 311; the annular sealing ring 141 is in sealing contact with the sealing ring groove 14. Further, a pressing spring 38 is arranged inside the driving internal thread cylinder 32; the two ends of the pressing spring 38 are elastically pressed between the inside of the driving internally threaded cylinder 32 and the end of the longitudinally moving screw 33, respectively. Further, the pressing seal ring body 2 is made of elastic rubber. Further, the external connection ring body 1 is made of an aluminum alloy material. Further, the telescopic ring body 4 is an annular corrugated pipe.

The abutting sealing ring body 2 is movably arranged on the external connecting ring body 1, the driving rod 31 is rotated to drive the driving internal thread cylinder 32 to move up and down, so that the longitudinal moving screw rod 33 is driven to move up and down, the connecting cross rod 34 and the positioning side plate 37 are used for driving the upper annular connecting plate 35 and the lower annular connecting plate 36 to move up and down, and finally the abutting sealing ring body 2 is driven to move up and down, so that the adjustment of the longitudinal sealing position is realized.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.